CN104815367B - Transfusion device internal congestion pressure method for releasing, device and infusion pump - Google Patents
Transfusion device internal congestion pressure method for releasing, device and infusion pump Download PDFInfo
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- CN104815367B CN104815367B CN201510246074.8A CN201510246074A CN104815367B CN 104815367 B CN104815367 B CN 104815367B CN 201510246074 A CN201510246074 A CN 201510246074A CN 104815367 B CN104815367 B CN 104815367B
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- 238000001802 infusion Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 189
- 230000000694 effects Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 208000036828 Device occlusion Diseases 0.000 claims description 5
- 239000007924 injection Substances 0.000 abstract description 9
- 238000002347 injection Methods 0.000 abstract description 9
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000003288 anthiarrhythmic effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/172—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body electrical or electronic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M2005/16863—Occlusion detection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to a kind of transfusion device internal congestion pressure method for releasing, methods described includes：Whether the running status for recognizing infusion pump is positive transfusion state；If so, whether the blockage pressure produced by then judging the block liquid in transfusion device is more than or equal to pressure alarm threshold value；If so, then stopping positive transfusion, and discharge the block liquid in the transfusion device；Judge whether the blockage pressure is less than or equal to pressure and discharges threshold value, or whether the amount of liquid that the block liquid has discharged is more than or equal to liquid release threshold value；If so, then stopping the release block liquid.The liquid that can be prevented effectively from the accumulation of transfusion device obstruction using this method causes harm in moment injection human body, improves infusion safety.Further, it would be desirable to provide a kind of transfusion device internal congestion pressure relief device and infusion pump.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of transfusion device internal congestion pressure method for releasing, dress
Put and infusion pump.
Background technology
Infusion pump is that one kind accurately controls transfusion speed and amount of infusion, and can be to bubble, empty liquid, transfusion pipe choking etc.
Abnormal conditions alarmed and automatically cut off transfusion path a kind of intelligence instrument.It is usually used in needing strictly controlling amount of infusion and medicine
The situation of amount, such as in application boosting medicine, antiarrhymic medicine, venous transfusion of infantile or Intravenous Anesthesia etc..
During transfusion operation, bending occurs for transfusion device or by when pressure, transfusion device can be caused to block.If defeated
Liquid pump continues to infuse, because transfusion device material has telescopic resilience, transfusion device internal liquid meeting cumulative rises, until inside in itself
Fluid pressure reaches alarm threshold value, can just trigger obstruction alarm, stop transfusion, send corresponding alarm.Infusion pump is stopping infusing
When, the pump housing can block transfusion device, liquid flowing in cut-off transfusion device so that the transfusion between infusion pump to transfusion device obstruction
The device intraluminal fluid scale of construction and pressure keep constant.The mode of processing transfusion obstruction is usually that transfusion device is checked, works as transfusion device
Generation is bent or when being pressed, and artificially transfusion device is stretched or removed presses object, makes infusion pipeline unimpeded.Due to transfusion device internal resistance
The accumulative liquid of plug portion can produce certain pressure, when infusion pipeline is unimpeded, the liquid meeting of transfusion device obstruction accumulation
Directly inputted into the human body in moment.For the medicine of infusion pump Clinical practice, it is likely to cause when moment injecting human body
Uncomfortable, the moment of some drugses, largely injection even can bring harm to patient.How transfusion device blockage is prevented effectively from
The liquid of accumulation is divided to be caused harm in moment injection human body, the security for improving transfusion is that a technology for being badly in need of solving at present is asked
Topic.
The content of the invention
Based on this, it is necessary to can be prevented effectively from the accumulation of transfusion device obstruction there is provided one kind for above-mentioned technical problem
Liquid caused harm in moment injection human body, improve the transfusion device internal congestion pressure method for releasing of infusion safety, device and
Infusion pump.
A kind of transfusion device internal congestion pressure method for releasing, methods described includes：
Whether the running status for recognizing infusion pump is positive transfusion state；
If so, whether the blockage pressure produced by then judging the block liquid in transfusion device is more than or equal to pressure alarm threshold
Value；
If so, then stopping positive transfusion, and discharge the block liquid in the transfusion device；
Judge whether the blockage pressure is less than or equal to pressure and discharges threshold value, or the liquid that the block liquid has discharged
Whether the scale of construction, which is more than or equal to liquid, discharges threshold value；
If so, then stopping the release block liquid.
In one of the embodiments, after the step of the stopping positive transfusion, in addition to：
Obtain the total amount of liquid inputted in the transfusion device；
After the step of stopping discharges the block liquid, in addition to：
The amount of liquid discharged described in obtaining；
The difference of the total amount of liquid and the amount of liquid discharged is calculated, actual amount of infusion is obtained.
In one of the embodiments, the step of whether running status of the identification infusion pump is positive transfusion state is wrapped
Include：
Receive the signal that exports when sensor detects the motion state of code-disc, the sensor includes first sensor and the
Two sensors, the code-disc includes the first code-disc and the second code-disc, and the first sensor is corresponding with first code-disc, described
Second sensor is corresponding with second code-disc, and the first sensor exports the first signal, the second sensor output the
Binary signal；
Judge whether the secondary signal is invalid during first invalidating signal；
If so, then judging whether the secondary signal is effective during first invalidating signal again；
If so, then judging whether the secondary signal is effective when first signal is effective again；
If so, then determining whether whether the secondary signal is invalid when first signal is effective.
In one of the embodiments, the running status of the identification infusion pump also includes stress-released condition, described
Before the step of discharging the block liquid in the transfusion device, in addition to：
Whether the running status for recognizing the infusion pump is stress-released condition, if so, it is described defeated then to perform the release
The step of block liquid in liquid device.
In one of the embodiments, the running status of the identification infusion pump whether be stress-released condition step
Suddenly include：
Judge whether the secondary signal is invalid during first invalidating signal；
If so, then judging whether the secondary signal is invalid when first signal is effective again；
If so, then judging whether the secondary signal is effective when first signal is effective again；
If so, then determining whether whether the secondary signal is effective during first invalidating signal.
In one of the embodiments, the code-disc opens up multiple breach, and the breach quantity of first code-disc is described
The integral multiple of the breach quantity of second code-disc, or second code-disc breach quantity be first code-disc breach quantity
Integral multiple, if first sensor detects the breach of the first code-disc, export effective first signal, if second sensor examine
The breach of the second code-disc is measured, then exports effective secondary signal.
In one of the embodiments, the breach line of first code-disc aligns with the breach edge line of the second code-disc, or
The breach line of second code-disc described in person aligns with the breach edge line of the first code-disc.
A kind of transfusion device internal congestion pressure relief device, described device includes：
Identification module, for recognizing whether the running status of infusion pump is positive transfusion state；
Judge module, if for identifying that infusion pump is positive transfusion state, judging the block liquid institute in transfusion device
Whether the blockage pressure of generation is more than or equal to pressure alarm threshold value；If so, then stopping modular, for stopping positive transfusion；
Release module, for discharging the block liquid in the transfusion device；
The judge module is additionally operable to judge whether the blockage pressure is less than or equal to pressure and discharges threshold value, or described
Whether the amount of liquid that block liquid has discharged, which is more than or equal to liquid, discharges threshold value；If so, then the stopping modular is additionally operable to stop
Only discharge the block liquid.
In one of the embodiments, described device also includes：
Acquisition module, for after positive transfusion is stopped, obtaining the total amount of liquid inputted in the transfusion device；Stopping
After only discharging the block liquid, obtain described in the amount of liquid that has discharged；
Computing module, the difference for calculating the total amount of liquid and the amount of liquid discharged, obtains actual transfusion
Amount.
In one of the embodiments, the identification module includes：
Receiving unit, for receiving the signal exported when sensor detects the motion state of code-disc, the sensor includes
First sensor and second sensor, the code-disc include the first code-disc and the second code-disc, the first sensor and described the
One code-disc correspondence, the second sensor is corresponding with second code-disc, the first signal of the first sensor output, and described the
Two sensors export secondary signal；
Judging unit, for judging whether the secondary signal is invalid during first invalidating signal；If so, then sentencing again
Whether the secondary signal is effective during disconnected first invalidating signal；If so, then judging the effective when institute of first signal again
Whether effective state secondary signal；If so, then determining whether whether the secondary signal is invalid when first signal is effective.
In one of the embodiments, the running status of the identification infusion pump also includes stress-released condition, the knowledge
Other module is additionally operable to before the block liquid in the transfusion device is discharged, recognize the infusion pump running status whether be
Stress-released condition, if so, the step of then performing the block liquid in the release transfusion device.
In one of the embodiments, the second letter described in when the identification module is additionally operable to judge first invalidating signal
It is number whether invalid；If so, then judging whether the secondary signal is invalid when first signal is effective again；If so, then again
Judge whether the secondary signal is effective when first signal is effective；If so, then determining whether first invalidating signal
Whether Shi Suoshu secondary signals are effective.
A kind of infusion pump, the infusion pump includes the first code-disc, the second code-disc, first sensor and second sensor, institute
State first sensor corresponding with the first code-disc, and export the first signal, the second sensor is corresponding with the second code-disc, and exports
Secondary signal, first code-disc and second code-disc open up breach respectively, and the breach quantity of first code-disc is described
The integral multiple of the breach quantity of second code-disc, or second code-disc breach quantity be first code-disc breach quantity
Integral multiple, if first sensor detects the breach of the first code-disc, export effective first signal, if second sensor examine
The breach of the second code-disc is measured, then exports effective secondary signal, institute is recognized according to first signal and the secondary signal
State the running status of infusion pump.
In one of the embodiments, the breach line of first code-disc aligns with the breach edge line of the second code-disc, or
The breach line of second code-disc described in person aligns with the breach edge line of the first code-disc.
Above-mentioned transfusion device internal congestion pressure method for releasing, device and infusion pump, because infusion pump is in positive transfusion state
When, stop positive transfusion if the blockage pressure that the block liquid in transfusion device is produced is more than or equal to pressure alarm threshold value,
Liquid is effectively prevented to continue to input transfusion device.Block liquid after transfusion is stopped in release transfusion device, if blockage pressure
The amount of liquid discharged less than or equal to pressure release threshold value or block liquid is more than or equal to liquid and discharges threshold value, then stops
Discharge block liquid.So that the blockage pressure in transfusion device is released, so as to effectively prevent transfusion device obstruction
Can block liquid causes harm in moment injection human body, and effectively prevent transfusion device from reversely infusing, and improves the peace of transfusion
Quan Xing.
Brief description of the drawings
Fig. 1 is the flow chart of transfusion device internal congestion pressure method for releasing in one embodiment；
Fig. 2 is the flow chart of transfusion device internal congestion pressure method for releasing in another embodiment；
Fig. 3-1 is the structural representation of code-disc in one embodiment；
Fig. 3-2 is the structural representation of infusion pump in one embodiment；
Fig. 4 is the signal timing diagram of positive transfusion state in one embodiment；
Fig. 5 is the signal timing diagram of stress-released condition in one embodiment；
Fig. 6 is the structural representation of transfusion device internal congestion pressure relief device in one embodiment；
Fig. 7 is the structural representation of transfusion device internal congestion pressure relief device in another embodiment；
Fig. 8 is the structural representation of identification module in one embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
In one embodiment, there is provided a kind of transfusion device internal congestion pressure method for releasing, this method tool as shown in Figure 1
Body includes：
Step 102, whether the running status of identification infusion pump is positive transfusion state；If so, then enter step 104, it is no
Then, it is out of service and send false alarm.
Infusion pump is included on motor and the pump housing, infusion pump after electricity, and motor, which is rotated, drives pump housing motion, and infusion pump starts fortune
OK.The running status of infusion pump includes positive transfusion state and reverse transfusion state.Because reverse transfusion state can be to being infused
Human body cause harm, it is therefore desirable in real time monitoring infusion pump running status, prevent infusion pump enter reverse transfusion state.Such as
It is then out of service and send false alarm for reverse transfusion state that fruit recognizes the running status of infusion pump.Motor is rotated forward
When, utilize the running status of the real-time monitoring transfusion pump of photoelectric sensor.Specifically, the pulse letter that can be exported according to photoelectric sensor
Number recognize the running status of infusion pump.If it is positive transfusion state, i.e. infusion pump to recognize the current motion state of infusion pump
The positive transfusion into transfusion device, then detect the blockage pressure that the block liquid in transfusion device is produced.Block liquid in transfusion device
When referring to that transfusion device occurs bending or pressed, the accumulative liquid of transfusion device internal resistance plug portion.Block liquid can be produced in transfusion device
Raw blockage pressure.
Step 104, whether the blockage pressure produced by judging the block liquid in transfusion device is more than or equal to pressure alarm
Threshold value；If so, then entering step 106, otherwise, the positive transfusion state of infusion pump is continued to.
Judge whether the blockage pressure in transfusion device is more than or equal to pressure alarm threshold value, if it is, stopping positive defeated
Liquid, that is, stop motor and rotate, thus prevent infusion pump from continuing the infusion fluid into transfusion device.Otherwise, then motor is being continued to just
To rotation, that is, continue to the positive transfusion state of infusion pump.
Step 106, stop positive transfusion, and discharge the block liquid in transfusion device.
Stop after positive transfusion, due to the blockage pressure in transfusion device have been above or equal to pressure alarm threshold value after,
A pressure differential has been there is, after transfusion device is dredged, the block liquid in transfusion device can be caused because of this pressure differential
Damaged in moment injection human body.Accordingly, it would be desirable to eliminate this pressure differential.This pressure differential can be by discharging in transfusion device
The mode of block liquid is eliminated.Specifically, by motor reversal the pump housing can be driven to move, obstruction liquid is extracted from transfusion device
Body.
Step 108, judge whether blockage pressure is less than or equal to pressure and discharges threshold value, or the liquid that block liquid has discharged
Whether the scale of construction, which is more than or equal to liquid, discharges threshold value；If so, then entering step 110, otherwise, continue to discharge block liquid.
Start after release block liquid, monitor whether blockage pressure is less than or equal to pressure in real time using pressure sensor
Threshold value is discharged, or the amount of liquid release that monitoring block liquid has discharged in real time is more than or equal to liquid and discharges threshold value, if it is,
Then stop release liquid immediately.
Step 110, release block liquid is stopped.
Stop release block liquid, that is, stop motor reversal.Thus prevent from causing transfusion because motor continues reversion
Pump brings harm in reverse transfusion state to human body.
In the present embodiment, whether the running status of identification infusion pump is positive transfusion state；If so, then judging in transfusion device
Block liquid produced by blockage pressure whether be more than or equal to pressure alarm threshold value；If so, then stopping positive transfusion, and release
Put the block liquid in transfusion device；Judge whether blockage pressure is less than or equal to pressure and discharges threshold value, or block liquid has been released
Whether the amount of liquid put, which is more than or equal to liquid, discharges threshold value；If so, then stopping the release block liquid.At infusion pump
When positive transfusion state, if the blockage pressure that the block liquid in transfusion device is produced is more than or equal to pressure alarm threshold value
Stop positive transfusion, effectively prevent liquid to continue to input transfusion device.Block liquid after transfusion is stopped in release transfusion device,
If blockage pressure is released less than or equal to the amount of liquid that pressure release threshold value or block liquid have discharged more than or equal to liquid
Threshold value is put, then stops release block liquid.So that the blockage pressure in transfusion device is released, so as to effectively prevent defeated
Can liquid device obstruction block liquid causes harm in moment injection human body, and effectively prevent transfusion device from reversely infusing, and carries
The high security of transfusion.
In one embodiment, after the step of stopping positive transfusion, in addition to：Obtain the liquid inputted in transfusion device
Body total amount；After the step of stopping release block liquid, in addition to：Obtain the amount of liquid discharged；Calculate total amount of liquid with
The difference of the amount of liquid discharged, obtains actual amount of infusion.
As shown in Fig. 2 the transfusion device internal congestion pressure method for releasing in the present embodiment specifically includes following steps：
Step 202, whether the running status of identification infusion pump is positive transfusion state；If so, then enter step 204, it is no
Then, the running status of monitoring infusion pump is continued.
Step 204, whether the blockage pressure produced by judging the block liquid in transfusion device is more than or equal to pressure alarm
Threshold value；If so, then entering step 206, otherwise, the positive transfusion state of infusion pump is continued to.
Step 206, stop positive transfusion, obtain the total amount of liquid inputted in transfusion device.
Step 208, the block liquid in release transfusion device.
Step 210, judge whether blockage pressure is less than or equal to pressure and discharges threshold value, or the liquid that block liquid has discharged
Whether the scale of construction, which is more than or equal to liquid, discharges threshold value；If so, then entering step 212, otherwise, continue to discharge block liquid.
Step 212, release block liquid is stopped.
Step 214, the amount of liquid discharged is obtained.
Step 216, the difference of total amount of liquid and the amount of liquid discharged is calculated, actual amount of infusion is obtained.
In the present embodiment, during release block liquid, the amount of liquid of release is recorded, according to the liquid in input transfusion device
Body total amount obtains actual amount of infusion with the difference of the amount of liquid discharged, so as to ensure that the accuracy of amount of infusion.
In one embodiment, the step of whether running status of identification infusion pump is positive transfusion state includes：Receive
Sensor detects the signal exported during the motion state of code-disc, and sensor includes first sensor and second sensor, code-disc bag
The first code-disc and the second code-disc are included, first sensor is corresponding with the first code-disc, and second sensor is corresponding with the second code-disc, first passes
Sensor exports the first signal, second sensor output secondary signal；Judge whether secondary signal is invalid during the first invalidating signal；If
It is then to judge whether secondary signal is effective during the first invalidating signal again；If so, then judging again second when the first signal is effective
Whether signal is effective；If so, then determining whether whether secondary signal is invalid when the first signal is effective.
In the present embodiment, the pump housing, motor, code-disc and sensor are also included in infusion pump, motor, which is rotated, drives pump housing motion,
Code-disc is moved together with the rotation of motor, and sensor detects the motion state of code-disc.Wherein, code-disc includes the first code-disc and the
Two code-discs, sensor includes first sensor and second sensor.First sensor is used for the motion state for detecting the first code-disc,
And export corresponding first signal.Second sensor is used for the motion state for detecting the second code-disc, and exports corresponding second letter
Number.First sensor and second sensor can be photoelectric sensors.In one of the embodiments, code-disc opens up multiple lack
Mouthful, the breach quantity of the first code-disc is the integral multiple of the breach quantity of the second code-disc, or the breach quantity of the second code-disc is the
The integral multiple of the breach quantity of one code-disc, if first sensor detects the breach of the first code-disc, exports effective first letter
Number, if second sensor detects the breach of the second code-disc, export effective secondary signal.In another embodiment,
The breach line of one code-disc aligns with the breach edge line of the second code-disc, or the second code-disc breach line and the breach of the first code-disc
Edge line aligns.
As shown in figure 3-1, the first code-disc 302 opens up a breach to the structure of code-disc, and the second code-disc 304 opens up multiple lack
Mouthful.As shown in figure 3-2, first sensor 306 is located at the lower section of the first code-disc 302 to the structure of infusion pump, for detecting first yard
The motion state of disk 302, and export the first signal.Second sensor 308 is located at the lower section of the second code-disc 304, for detecting the
The motion state of two code-discs 304, and export secondary signal.The breach quantity of second code-disc 304 is the breach number of the first code-disc 302
The integral multiple of amount, and the breach line of the first code-disc 302 aligns with the breach edge line of the second code-disc 304.Second code-disc 304 is set
Position between the first code-disc 302 and the pump housing 310.There is output when first sensor 306 detects the breach of the first code-disc 302
First signal of effect, second sensor 308 exports effective secondary signal when detecting the breach of the second code-disc 304.The pump housing 310
Moved under the drive of motor (not marked in figure), it is necessary to monitor infusion pump in real time in the whole work process of infusion pump
Running status, prevents reversely transfusion.If first sensor does not export useful signal with second sensor, the first sensing
Device needs to continue the motion state that the motion state and second sensor that detect the first code-disc need to continue to detect the second code-disc.Such as
During the secondary signal that the useful signal that fruit detects first exports for second sensor, it may be positive transfusion shape to illustrate infusion pump
State, in order to further confirm that infusion pump is currently at positive transfusion state, continues to the first signal of first sensor output
The secondary signal exported with second sensor.When the running status of infusion pump is positive transfusion state, the first signal and the second letter
Number timing diagram, as shown in Figure 4.Within the cycle of a positive transfusion state, the first invalidating signal and secondary signal is invalid, the
Effectively, the first signal is effective and secondary signal is invalid for one invalidating signal and secondary signal, the first signal effectively and secondary signal without
Effect.Thus, according to the first signal and the timing diagram of secondary signal, the positive transfusion residing for present infusion pump can be recognized accurately
State.
In one embodiment, the running status of identification infusion pump also includes stress-released condition, in release transfusion device
Block liquid the step of before, in addition to：Whether the running status for recognizing infusion pump is stress-released condition, if so, then holding
The step of row discharges the block liquid in transfusion device.
In the present embodiment, the running status of infusion pump also includes stress-released condition.In one of the embodiments, recognize
The step of whether running status of infusion pump is stress-released condition includes：Judge during the first invalidating signal secondary signal whether without
Effect；If so, then judging whether secondary signal is invalid when the first signal is effective again；If so, then judging that the first signal is effective again
When secondary signal it is whether effective；If so, then determining whether whether secondary signal is effective during the first invalidating signal.The fortune of infusion pump
When row state is stress-released condition, the timing diagram of the first signal and secondary signal, as shown in Figure 5.In a pressure release shape
In the cycle of state, the first invalidating signal and secondary signal is invalid, the first signal is effective and secondary signal is invalid, and the first signal is effective
And secondary signal is effectively, the first invalidating signal and secondary signal is effective.Thus, according to the first signal and the sequential of secondary signal
Figure, can be recognized accurately the stress-released condition residing for present infusion pump.When it is stress-released condition to identify infusion pump,
Discharge the block liquid in transfusion device.If blockage pressure, which is less than or equal to pressure, discharges threshold value, or block liquid has discharged
Amount of liquid is more than or equal to liquid and discharges threshold value, then stops release block liquid, prevents reversely transfusion, which thereby enhances transfusion
Security.
In one embodiment, there is provided a kind of transfusion device internal congestion pressure relief device, the device bag as shown in Figure 6
Include：Identification module 602, judge module 604, stopping modular 606 and release module 608, wherein：
Identification module 602, for recognizing whether the running status of infusion pump is positive transfusion state.
Judge module 604, if for identifying that infusion pump is positive transfusion state, judging the block liquid in transfusion device
Whether produced blockage pressure is more than or equal to pressure alarm threshold value.
Stopping modular 606, is more than or equal to pressure alarm for the blockage pressure produced by the block liquid in transfusion device
Stop positive transfusion during threshold value.
Release module 608, for discharging the block liquid in transfusion device.
Judge module 604 is additionally operable to judge whether blockage pressure is less than or equal to pressure and discharges threshold value, or block liquid
Whether the amount of liquid discharged, which is more than or equal to liquid, discharges threshold value.
Stopping modular 606 is additionally operable to blockage pressure and discharges threshold value less than or equal to pressure, or block liquid has discharged
Amount of liquid, which is more than or equal to when liquid discharges threshold value, stops release block liquid.
In the present embodiment, when being in positive transfusion state due to infusion pump, if what the block liquid in transfusion device was produced
Blockage pressure then stops positive transfusion more than or equal to pressure alarm threshold value, effectively prevents liquid to continue to input transfusion device.
Stop the block liquid in release transfusion device after transfusion, if blockage pressure is less than or equal to pressure and discharges threshold value or obstruction liquid
The amount of liquid that body has discharged is more than or equal to liquid and discharges threshold value, then stops release block liquid.So that in transfusion device
Blockage pressure is released, and is caused harm so as to effectively prevent transfusion device obstruction block liquid in moment injection human body,
And it effectively can prevent transfusion device from reversely infusing, improve the security of transfusion.
In one embodiment, as shown in fig. 7, the device also includes：Acquisition module 610 and computing module 612, wherein：
Acquisition module 610, for after positive transfusion is stopped, obtaining the total amount of liquid inputted in transfusion device；Stopping
Only discharge after the block liquid, obtain the amount of liquid discharged.
Computing module 612, for the difference for the amount of liquid for calculating total amount of liquid and having discharged, obtains actual amount of infusion.
In the present embodiment, during release block liquid, the amount of liquid of release is recorded, according to the liquid in input transfusion device
Body total amount obtains actual amount of infusion with the difference of the amount of liquid discharged, so as to ensure that the accuracy of amount of infusion.
In one embodiment, as shown in figure 8, identification module 602 includes：Receiving unit 602a and judging unit 604b,
Wherein：
Receiving unit 602a, for receiving the signal exported when sensor detects the motion state of code-disc, sensor includes
First sensor and second sensor, code-disc include the first code-disc and the second code-disc, and first sensor is corresponding with the first code-disc, the
Two sensors are corresponding with second code-disc, and first sensor exports the first signal, second sensor output secondary signal.
Judging unit 604b, for judging whether secondary signal is invalid during the first invalidating signal；If so, then judging again
Whether secondary signal is effective during one invalidating signal；If so, then judging whether secondary signal is effective when the first signal is effective again；If
It is then to determine whether whether secondary signal is invalid when the first signal is effective.
In the present embodiment, according to the first signal and the timing diagram of secondary signal, present infusion pump institute can be recognized accurately
The positive transfusion state at place.
In one embodiment, the running status of identification infusion pump also includes stress-released condition, and identification module 602 is also used
Before the block liquid in release transfusion device, whether the running status of identification infusion pump is stress-released condition, if so,
The step of then performing the block liquid in the release transfusion device.In one of the embodiments, identification module 602 is additionally operable to sentence
Whether secondary signal is invalid during disconnected first invalidating signal；If so, then judge again when the first signal is effective secondary signal whether without
Effect；If so, then judging whether secondary signal is effective when the first signal is effective again；If so, then determine whether the first signal without
Whether secondary signal is effective during effect.
In the present embodiment, according to the first signal and the timing diagram of secondary signal, present infusion pump institute can be recognized accurately
The stress-released condition at place.When it is stress-released condition to identify infusion pump, the block liquid in release transfusion device.If obstruction
Pressure is less than or equal to pressure and discharges threshold value, or the amount of liquid that block liquid has discharged is more than or equal to liquid release threshold value,
Then stop whether block liquid, prevent reversely transfusion, which thereby enhance the security of transfusion.
In one embodiment there is provided a kind of infusion pump, including the first code-disc, the second code-disc, first sensor and
Two sensors, first sensor is corresponding with the first code-disc, and exports the first signal, and second sensor is corresponding with the second code-disc, and
Secondary signal is exported, the first code-disc and the second code-disc open up breach respectively, and the breach quantity of the first code-disc is lacking for the second code-disc
The integral multiple of mouthful quantity, or the second code-disc breach quantity be the first code-disc breach quantity integral multiple, if the first sensing
Device detects the breach of the first code-disc, then exports effective first signal, if second sensor detects the breach of the second code-disc,
Effective secondary signal is then exported, the running status of infusion pump is recognized according to the first signal and secondary signal.
In the present embodiment, the running status of infusion pump includes positive transfusion state, stress-released condition and shape of reversely infusing
State., it is necessary to monitor the running status of infusion pump in real time in the whole work process of infusion pump, prevent from entering reversely transfusion shape
State.In one of the embodiments, the breach line of the first code-disc aligns with the breach edge line of the second code-disc, or the second code-disc
Breach line alignd with the breach edge line of the first code-disc.
Infusion pump is recognized according to the sequential of the first signal and secondary signal whether in positive transfusion state, specifically,
Judge whether secondary signal is invalid during the first invalidating signal；If so, then judging during the first invalidating signal whether is secondary signal again
Effectively；If so, then judging whether secondary signal is effective when the first signal is effective again；If so, then determining whether the first signal
Whether secondary signal is invalid when effectively, thus, it is possible to identify that the running status of infusion pump is positive transfusion state.If transfusion device
Blockage pressure produced by interior block liquid maintains the positive transfusion state of infusion pump when being less than pressure alarm threshold value.If obstruction
Pressure is more than or equal to pressure alarm threshold value, then whether infusion pump stops positive transfusion, and recognize present infusion pump in pressure
Power release conditions, specifically, judging whether secondary signal is invalid during the first invalidating signal；If so, then judging the first signal again
Whether secondary signal is invalid when effectively；If so, then judging whether secondary signal is effective when the first signal is effective again；If so, then
Determine whether whether secondary signal is effective during the first invalidating signal, thus, it is possible to which the pressure residing for present infusion pump is recognized accurately
Power release conditions.Block liquid in infusion pump release transfusion device.If blockage pressure, which is less than or equal to pressure, discharges threshold value, or
The amount of liquid that block liquid has discharged is more than or equal to liquid and discharges threshold value, then infusion pump stops release block liquid.Prevent defeated
Liquid pump enters reverse transfusion state.
When being in positive transfusion state due to infusion pump, if the blockage pressure that the block liquid in transfusion device is produced is more than
Or then stop positive transfusion equal to pressure alarm threshold value, effectively prevent liquid to continue to input transfusion device.Stop in infusion pump defeated
The block liquid in transfusion device is discharged after liquid, pressure discharges threshold value or block liquid has been released if blockage pressure is less than or equal to
The amount of liquid put is more than or equal to liquid and discharges threshold value, then infusion pump stops release block liquid.So that in transfusion device
Blockage pressure is released, and is caused harm so as to effectively prevent transfusion device obstruction block liquid in moment injection human body,
And it effectively can prevent transfusion device from reversely infusing, improve the security of transfusion.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of transfusion device internal congestion pressure method for releasing, methods described includes：
Whether the running status for recognizing infusion pump is positive transfusion state, including：Receive the motion state that sensor detects code-disc
When the signal that exports, the sensor includes first sensor and second sensor, and the code-disc includes the first code-disc and second
Code-disc, the first sensor is corresponding with first code-disc, and the second sensor is corresponding with second code-disc, and described
One sensor exports the first signal, and the second sensor exports secondary signal；Described in when judging first invalidating signal
Whether binary signal is invalid；If so, then judging whether the secondary signal is effective during first invalidating signal again；If so, then
Judge whether the secondary signal is effective when first signal is effective again；If so, then determining whether first signal
Whether the secondary signal is invalid when effectively；Within the cycle of a positive transfusion state, the first invalidating signal and secondary signal
It is invalid, the first invalidating signal and secondary signal effectively, the first signal is effective and secondary signal effectively, the first signal is effectively and second
Invalidating signal；
If so, whether the blockage pressure produced by then judging the block liquid in transfusion device is more than or equal to pressure alarm threshold value；
If so, then stopping positive transfusion, and discharge the block liquid in the transfusion device；
Judge whether the blockage pressure is less than or equal to pressure and discharges threshold value, or the amount of liquid that the block liquid has discharged
Whether it is more than or equal to liquid and discharges threshold value；
If so, then stopping the release block liquid.
2. according to the method described in claim 1, it is characterised in that it is described stop positive transfusion the step of after, in addition to：
Obtain the total amount of liquid inputted in the transfusion device；
After the step of stopping discharges the block liquid, in addition to：
The amount of liquid discharged described in obtaining；
The difference of the total amount of liquid and the amount of liquid discharged is calculated, actual amount of infusion is obtained.
3. according to the method described in claim 1, it is characterised in that the running status of the infusion pump also includes pressure and discharges shape
Before the step of state, block liquid in the release transfusion device, in addition to：
Whether the running status for recognizing the infusion pump is stress-released condition, if so, then performing the release transfusion device
The step of interior block liquid.
4. method according to claim 3, it is characterised in that whether the running status of the identification infusion pump is pressure
The step of power release conditions, includes：
Judge whether the secondary signal is invalid during first invalidating signal；
If so, then judging whether the secondary signal is invalid when first signal is effective again；
If so, then judging whether the secondary signal is effective when first signal is effective again；
If so, then determining whether whether the secondary signal is effective during first invalidating signal.
5. the method according to claim any one of 3-4, it is characterised in that the code-disc opens up multiple breach, described
The breach quantity of two code-discs is the integral multiple of the breach quantity of first code-disc, if first sensor detects the first code-disc
Breach, then export effective first signal, if second sensor detects the breach of the second code-disc, exports effective second letter
Number.
6. a kind of transfusion device internal congestion pressure relief device, it is characterised in that described device includes：
Identification module, for recognizing whether the running status of infusion pump is positive transfusion state；The identification module includes：Receive
Unit and judging unit, wherein, receiving unit, for receiving the signal exported when sensor detects the motion state of code-disc, institute
Stating sensor includes first sensor and second sensor, and the code-disc includes the first code-disc and the second code-disc, and described first passes
Sensor is corresponding with first code-disc, and the second sensor is corresponding with second code-disc, first sensor output the
One signal, the second sensor exports secondary signal；Judging unit, for described in judging during first invalidating signal second
Whether signal is invalid；If so, then judging whether the secondary signal is effective during first invalidating signal again；If so, then again
It is secondary to judge whether the secondary signal is effective when first signal is effective；If so, then determining whether that first signal has
Whether the secondary signal is invalid during effect；Within the cycle of a positive transfusion state, the first invalidating signal and secondary signal without
Effectively, the first signal is effective and secondary signal is effective for effect, the first invalidating signal and secondary signal, and the first signal is effectively and second believes
It is number invalid；
Judge module, if for identifying that infusion pump is positive transfusion state, produced by judging the block liquid in transfusion device
Blockage pressure whether be more than or equal to pressure alarm threshold value；If so, then
Stopping modular, for stopping positive transfusion；
Release module, for discharging the block liquid in the transfusion device；
The judge module is additionally operable to judge whether the blockage pressure is less than or equal to pressure and discharges threshold value, or the obstruction
Whether the amount of liquid that liquid has discharged, which is more than or equal to liquid, discharges threshold value；If so, then
The stopping modular is additionally operable to stop the release block liquid.
7. device according to claim 6, it is characterised in that described device also includes：
Acquisition module, for after positive transfusion is stopped, obtaining the total amount of liquid inputted in the transfusion device；Stopping releasing
After putting the block liquid, obtain described in the amount of liquid that has discharged；
Computing module, the difference for calculating the total amount of liquid and the amount of liquid discharged, obtains actual amount of infusion.
8. device according to claim 6, it is characterised in that the running status of the infusion pump also includes pressure and discharges shape
State, the identification module is additionally operable to before the block liquid in the transfusion device is discharged, and recognizes the operation of the infusion pump
Whether state is stress-released condition, if so, the step of then performing the block liquid in the release transfusion device.
9. device according to claim 8, it is characterised in that the identification module is additionally operable to judge first invalidating signal
Whether Shi Suoshu secondary signals are invalid；If so, then judging whether the secondary signal is invalid when first signal is effective again；
If so, then judging whether the secondary signal is effective when first signal is effective again；If so, then determining whether described
Whether the secondary signal is effective during one invalidating signal.
10. a kind of infusion pump, it is characterised in that the infusion pump includes the first code-disc, the second code-disc, first sensor and second
Sensor, the first sensor is corresponding with the first code-disc, and exports the first signal, the second sensor and the second code-disc pair
Should, and secondary signal is exported, first code-disc and second code-disc open up breach, the breach number of second code-disc respectively
Amount is the integral multiple of the breach quantity of first code-disc, if first sensor detects the breach of the first code-disc, output has
First signal of effect, if second sensor detects the breach of the second code-disc, exports effective secondary signal, according to described the
One signal recognizes the running status of the infusion pump with the secondary signal, within the cycle of a positive transfusion state, first
Invalidating signal and secondary signal is invalid, the first invalidating signal and secondary signal effectively, the first signal is effective and secondary signal effectively,
First signal is effective and secondary signal is invalid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246074.8A CN104815367B (en) | 2015-05-14 | 2015-05-14 | Transfusion device internal congestion pressure method for releasing, device and infusion pump |
| PCT/CN2015/096634 WO2016180010A1 (en) | 2015-05-14 | 2015-12-08 | Infusion apparatus inner blocking pressure release method and device, and infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246074.8A CN104815367B (en) | 2015-05-14 | 2015-05-14 | Transfusion device internal congestion pressure method for releasing, device and infusion pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104815367A CN104815367A (en) | 2015-08-05 |
| CN104815367B true CN104815367B (en) | 2017-09-12 |
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| CN201510246074.8A Active CN104815367B (en) | 2015-05-14 | 2015-05-14 | Transfusion device internal congestion pressure method for releasing, device and infusion pump |
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| Country | Link |
|---|---|
| CN (1) | CN104815367B (en) |
| WO (1) | WO2016180010A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815367B (en) * | 2015-05-14 | 2017-09-12 | 深圳市科曼医疗设备有限公司 | Transfusion device internal congestion pressure method for releasing, device and infusion pump |
| CN109475355B (en) * | 2016-06-09 | 2022-03-22 | C·R·巴德股份有限公司 | System and method for correcting and preventing catheter obstruction |
| CN110215565B (en) * | 2019-06-20 | 2024-06-21 | 河南驼人医疗器械集团有限公司 | A blockage alarm system and electronic infusion pump |
| CN111905185B (en) * | 2020-07-22 | 2022-07-26 | 珠海福尼亚医疗设备有限公司 | Method and device for detecting blockage of infusion pipeline of electronic micro pump |
| CN112426585B (en) * | 2020-11-20 | 2022-04-29 | 南京信息职业技术学院 | Insulin pump metering calibration method |
| CN119701137A (en) * | 2024-12-20 | 2025-03-28 | 深圳爱博合创医疗机器人有限公司 | Infusion alarm method, device, equipment and storage medium |
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|---|---|---|---|---|
| CN1358547A (en) * | 2000-08-16 | 2002-07-17 | 史密斯集团有限公司 | Syringe pump |
| US6551277B1 (en) * | 1999-07-03 | 2003-04-22 | Smiths Group Plc | Syringe pumps |
| CN104582752A (en) * | 2012-09-27 | 2015-04-29 | 泰尔茂株式会社 | Infusion pump |
| CN104606737A (en) * | 2015-01-23 | 2015-05-13 | 深圳市科曼医疗设备有限公司 | Infusion pump and infusion pump blockage detecting method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL121214A0 (en) * | 1997-06-17 | 1998-01-04 | Medicard Ltd | Angioplasty pressure/volume control system |
| CN104815367B (en) * | 2015-05-14 | 2017-09-12 | 深圳市科曼医疗设备有限公司 | Transfusion device internal congestion pressure method for releasing, device and infusion pump |
-
2015
- 2015-05-14 CN CN201510246074.8A patent/CN104815367B/en active Active
- 2015-12-08 WO PCT/CN2015/096634 patent/WO2016180010A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6551277B1 (en) * | 1999-07-03 | 2003-04-22 | Smiths Group Plc | Syringe pumps |
| CN1358547A (en) * | 2000-08-16 | 2002-07-17 | 史密斯集团有限公司 | Syringe pump |
| CN104582752A (en) * | 2012-09-27 | 2015-04-29 | 泰尔茂株式会社 | Infusion pump |
| CN104606737A (en) * | 2015-01-23 | 2015-05-13 | 深圳市科曼医疗设备有限公司 | Infusion pump and infusion pump blockage detecting method |
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| CN104815367A (en) | 2015-08-05 |
| WO2016180010A1 (en) | 2016-11-17 |
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