CN201150544Y - Compression device for medical device - Google Patents
Compression device for medical device Download PDFInfo
- Publication number
- CN201150544Y CN201150544Y CNU2008200060553U CN200820006055U CN201150544Y CN 201150544 Y CN201150544 Y CN 201150544Y CN U2008200060553 U CNU2008200060553 U CN U2008200060553U CN 200820006055 U CN200820006055 U CN 200820006055U CN 201150544 Y CN201150544 Y CN 201150544Y
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- compressing
- armarium
- pick
- patient
- pressure
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- 230000006835 compression Effects 0.000 title abstract description 10
- 238000007906 compression Methods 0.000 title abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000011888 foil Substances 0.000 claims description 6
- 230000000052 comparative effect Effects 0.000 claims description 2
- 230000008447 perception Effects 0.000 claims description 2
- 238000002594 fluoroscopy Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
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Abstract
The utility model relates to a compression device of a medical apparatus, which comprises a compression part (203, 204) which is used to apply pressure on the bodies of patients, a drive part (201, 202) which is connected with the compression part and drives the compression part to move towards the direction of the body of a patient or towards the direction which is faraway from the body of a patient, a sensor (205) which is used to perceive the pressure which is applied by the compression part to the body of a patient and is used to produce an output signal according to the pressure, and a control system (206) which receives the output signals which are generated by the sensor and adjusts the movement of the drive part according to the output signals. When a doctor or a professional operating staff is operating the compression device, the compression device can assure the size of the maximum compression force according to the condition of a patient.
Description
Technical field
This utility model relates to the [of armarium, is the [of the diagnostic bed in x-ray inspection equipment concretely.
Background technology
Along with the raising of health of people consciousness, the universal and people of armarium are to the enhancing of medical examination understanding of importance, and the people who carries out the medical imaging inspection is more and more.In x-ray fluoroscopy and film making equipment, in order to obtain better perspective or film making effect, the doctor need partly apply a pressure to patient's focus by compressor.Because compressor directly contacts with patient, the size of therefore oppressing power is a very important parameters.
In a lot of x-ray fluoroscopies and film making equipment, compressor is to limit maximum pressure by spring and limit switch, as shown in Figure 1.Compressor 100 among Fig. 1 comprises a motor 101, drive mechanism 102, compressing bar 103, compressing 104.During motor 101 work, the drive mechanism 102 that is attached thereto by its rotating drive moves up and down.Drive mechanism 102 adopts the form of drive link usually, and drive link is made up of a screw mandrel and feed screw nut's (not shown).A guide rail 106 is set on the feed screw nut, a slide block 107 is installed in this guide rail 106 by ball 108, one end of compressing bar 103 links to each other with slide block 107, makes compressing bar 103 with the feed screw nut relative motion to take place along guide rail 106 by the slip of slide block 107.One end of one spring 105 is installed on the described feed screw nut, and the other end is installed on the slide block 107.Slide block 107 is provided with a limited block 109 at the position away from patient 111, a limit switch 110 correspondingly is set on the feed screw nut.The direction of motion that direction and feed screw nut are set of compressing bar 103 is perpendicular, compressing 104 free end that are arranged near compressing bar 103.
When not touching patient 111, the feed screw nut, be arranged on guide rail 106 on the feed screw nut, the slide blocks 107 that are arranged in the guide rail 106 move downward together, drive the compressing bar 103 that links to each other with slide block 107 and move simultaneously.When compressing bar 103 moves downward when making that compressing 104 touches patient 111, compressing bar 103 is because patient 111 obstruction stops to continue to move downward, and the slide block 107 that links to each other with compressing bar 103 also stops to continue to move.The limited block 109 that be arranged on the slide block 107 this moment no longer is subjected to displacement, and the end that spring 105 links to each other with slide block 107 also no longer is moved.But therefore feed screw nut and be arranged on guide rail 106 on the feed screw nut but because the driving of motor 101 continues to move downward makes the other end that is installed on the feed screw nut of spring 105 continue to move downward, and promptly spring 105 deforms; Simultaneously, the limit switch 110 that is arranged on the feed screw nut also continues to move downward.When the deformation of spring 105 when maximum, when also promptly reaching maximum compressing power, the limit switch 110 that the limited block 109 on the slide block 107 touches on the feed screw nuts, motor 101 shuts down.
In prior art shown in Figure 1, the spring that is arranged on the [just installs when armarium dispatches from the factory, because the spring on the [is changeless, so the maximum of [compressing power also remains unchanged.But in fact, the maximum compressing power that the patient of different healths can bear is not quite similar, for example, littler for the maximum compressing power that weakly patient and child bore than the compressing power that common people bore, therefore need adjust maximum compressing power according to patient's situation.But in the prior art, adjust the compressing power of [if desired, spring must be replaced by and have different elastic springs, and doctor in the hospital or professional and be inconvenient to carry out this replacing also just can't adjust the maximum compressing power of [.
Therefore, need a kind of can be by doctor or professional operator according to its experience and determine the device of the size of maximum compressing power according to patient's situation.
Summary of the invention
In order to overcome the above problems, the purpose of this utility model is to provide a kind of [of armarium, doctor or professional operator are when this armarium of operation, can determine the size of maximum compressing power according to patient's situation, and can adjust the compressing power of [according to the size of compressing power.
According to this utility model, above-mentioned purpose realizes by following scheme:
A kind of [of armarium comprises: the compressing parts are used for patient body is exerted pressure; Driver part is connected with described compressing parts, drives described compressing parts along moving towards the direction of patient body or away from the direction of patient body; Described device also comprises: pick off, the described compressing parts of perception be to the patient body applied pressure, and generate an output signal according to described pressure; Control system is accepted the output signal that described pick off generates, and according to described output signal the motion of described driver part is adjusted.
According to an aspect of the present utility model, described pick off is installed on the described compressing parts.
According to an aspect of the present utility model, described pick off is a resistance strain type sensor.Resistance strain type sensor comprises response body and foil gauge, and described response body produces a deformation according to described compressing parts to the patient body applied pressure, and described foil gauge is converted into a resistance signal with described deformation and exports.
According to an aspect of the present utility model, described control system comprises an amplifier that links to each other with described pick off, and the output signal that described pick off generates is amplified.
According to an aspect of the present utility model, described control system also comprises an analog to digital conversion circuit that links to each other with described amplifier, and analog-digital conversion circuit as described is converted to digital signal with described amplifying signal.
According to an aspect of the present utility model, the default Pressure gauge of storage one in the described control system, with in the digital signal that obtained and the described Pressure gauge accordingly pressure compare, according to described comparative result the motion of described driver part is adjusted.
According to an aspect of the present utility model, described compressing parts comprise a compressing bar and a compressing head, described compressing bar is connected with described driver part and along moving towards the direction of patient body or away from the direction of patient body, described compressing head is installed in the free end of described compressing bar.
According to an aspect of the present utility model, described driver part comprises a motor and a drive mechanism, and the described drive mechanism of described motor-driven moves.Described drive mechanism comprises screw mandrel and feed screw nut.
According to an aspect of the present utility model, described armarium is a shadowgraph equipment.
The beneficial effects of the utility model are, are provided with pick off and control system on the [of armarium.The pressure signal of control system receiving sensor, and the motion of the driver part of [is adjusted according to this pressure signal, thus realized feedback to compressing power, increased the control accuracy of [.Owing to can therefore provide better protection according to patient's the individual size and the choice of location and the maximum compressing power of adjustment of focus for patient.In addition, owing to can show compressing power in real time in the control system, convenience is provided for doctor and operator's operation.
Description of drawings
Fig. 1 is the [sketch map of x-ray fluoroscopy armarium of the prior art, wherein determines maximum compressing power by the maximum distortion of spring;
Fig. 2 is the [sketch map of armarium described in the utility model, and pick off and the control system that links to each other with pick off wherein are set on [.
The specific embodiment
Below, carry out following detailed description for this utility model in conjunction with the accompanying drawings.
This utility model can be applied among the several kinds of medical equipment, below is that example describes with the x-ray fluoroscopy system only.
As shown in Figure 2, this figure is the [sketch map of x-ray fluoroscopy system, and this [200 comprises compressing parts and driver part at least among Fig. 2.Driver part is made of motor 201, drive mechanism 202.The compressing parts then comprise compressing bar 203, compressing 204 at least, wherein compressing 204 is arranged on the free end of compressing bar 203, an other end of compressing bar 203 links to each other with drive mechanism 202, make when 202 motions of motor 201 drive transmission devices, compressing bar 203 also can along with drive mechanism 202 downward (towards patient's direction) or upwards (away from patient's direction) move, thereby patient 211 is oppressed or removes from patient 211.Drive mechanism 202 adopts the form of common drive link, and drive link is made up of a screw mandrel and feed screw nut's (not shown).
In addition, the [among Fig. 2 also comprises a pick off 205 that is arranged on the compressing bar 203, and a control system 206 that links to each other with pick off 205.Feed screw nut in the drive mechanism 202 links to each other by pick off 205 bridge joints with an end of compressing bar 203.As optimal way, pick off 205 is resistance strain type sensors.Herein, those skilled in the art also can use the pick off that other has identical or similar functions easily.Resistance strain type sensor comprises response body and foil gauge.When motor 201 drive transmission devices 202 move downward, the compressing bar 203 that links to each other with drive mechanism 202 also moves downward, in case the compressing of compressing on the bar 203 204 is urged to patient 211, pick off 205 is near an end stop motion of compressing 204, pick off 205 away from an end of compressing 204 then owing to link to each other with drive mechanism 202 thereby be driven the trend that generation continues to move downward.Like this, the pick off 205 that is arranged on the compressing bar 203 just detects the distortion of oppressing bar 203 two ends, and promptly the response body of pick off 205 deforms.The pressure that is applied on the patient 211 is big more, and the distortion that response body took place of pick off 205 is just big more, that is to say that the distortion of response body is directly proportional with pressure on being applied to patient 211.In order to bring into play the effect of pick off 205 better, preferably pick off 205 is arranged on a end away from compressing 204, make when be applied on the patient 211 pressure one regularly, the response body of pick off 205 can produce maximum distortion.Then the distortion of above-mentioned response body being converted into an output signal as the foil gauge of pick off 205 another ingredients exports.
The above-mentioned output signal of pick off 205 is generally a resistance value, and this resistance value is delivered to control system 206.In the practical application, can add a current value, make that the signal that passes to control system 206 is a voltage signal at the outfan of pick off 205.Those skilled in the art can learn that if add a magnitude of voltage at the outfan of pick off, the signal that then passes to control system 206 is a current signal.Only be that example describes with the voltage signal herein.Control system 206 is at first amplified received above-mentioned voltage signal by an amplifier 207, so that subsequent treatment.Connect an analog to digital conversion circuit 208 behind the amplifier 207, voltage signal is converted to easy-to-handle digital voltage signal.The digital signal that analog to digital conversion circuit 208 is exported is fed to motor 201, so that the motion of motor 201 is adjusted.
Further, can in control system 206, store a Pressure gauge in advance,, preferably this Pressure gauge is converted to the correspondent voltage table for the output signal with analog to digital conversion circuit 208 compares.In this voltmeter, can be according to doctor or operator's demand, according to different situations of the patient 211 maximum voltage (being maximum compressing power) is set, for example, the maximum voltage that can bear separately is set respectively at child, youth, middle age, old man.Then, real-time digital signal that analog to digital conversion circuit 208 is generated and the above-mentioned maximum voltage that sets in advance in control system 206 compare.If the digital signal that is generated is less than the maximum voltage that sets in advance, then analog to digital conversion circuit 208 is to true signal of motor 201 outputs, after motor 201 receives this true signal, then continue forward drive drive mechanism 202, make drive mechanism 202 continue, thereby continue to increase compressing power patient 211 to direction motion near patient 211.Perhaps, if the maximum voltage that the digital signal that is generated equals to set in advance, then analog to digital conversion circuit 208 is to stop signal of motor 201 outputs, and motor 201 shuts down after receiving this stop signal, drive mechanism 202 is stop motion thereupon also, and compression mechanism stops patient 211 is exerted pressure.If the digital signal that is generated is greater than the maximum voltage that sets in advance, then analog to digital conversion circuit 208 is to glitch of motor 201 outputs, after motor 201 receives this glitch, then the reverse drive drive mechanism 202, make drive mechanism 202 to direction motion, thereby reduce compressing power patient 211 away from patient 211.
Doctor's operation for convenience, analog to digital conversion circuit 208 in the control system 206 can eject dialog box by a software operation interface with the digital signal of its output, show real-time pressure signal or voltage signal, offer doctor and the current pressure information of operator in mode intuitively, take further measures for it.
In the above embodiments, adopting the x-ray fluoroscopy system is example, and [in fact of the present utility model goes for the armarium that other have the compressing demand.
The beneficial effects of the utility model are, the [Dan of Medical Devices be provided with sensor and Control system. The pressure signal of control system receiving sensor, and according to this pressure signal to [Dan The motion of driver part adjust, thereby realized the feedback of compressing power has been increased [Dan Control accuracy. Owing to can select and adjust maximum according to the position of patient's Individual Size and focus Therefore compressing power provide better protection for patient. In addition, owing to can show in real time in the control system Show compressing power, convenience is provided for doctor and operating personnel's operation.
Claims (11)
1. the [of an armarium comprises:
Compressing parts (203,204) are exerted pressure to patient body;
Driver part (201,202) is connected with described compressing parts, drives described compressing parts along moving towards the direction of patient body or away from the direction of patient body;
It is characterized in that described device also comprises:
Pick off (205), the described compressing parts of perception be to the patient body applied pressure, and generate an output signal according to described pressure;
Control system (206) is accepted the output signal that described pick off generates, and according to described output signal the motion of described driver part is adjusted.
2. the [of armarium according to claim 1 is characterized in that, described pick off (205) is installed on the described compressing parts (203).
3. the [of armarium according to claim 1 is characterized in that, described pick off (205) is a resistance strain type sensor.
4. the [of armarium according to claim 3, it is characterized in that, described resistance strain type sensor (205) comprises response body and foil gauge, described response body produces a deformation according to described compressing parts to the patient body applied pressure, and described foil gauge is converted into a resistance signal with described deformation and exports.
5. the [of armarium according to claim 1 is characterized in that, described control system (206) comprises an amplifier that links to each other with described pick off (207), and the output signal that described pick off generates is amplified.
6. the [of armarium according to claim 5, it is characterized in that, described control system (206) also comprises an analog to digital conversion circuit (208) that links to each other with described amplifier (207), and analog-digital conversion circuit as described (208) is converted to digital signal with described amplifying signal.
7. the [of armarium according to claim 6, it is characterized in that, the Pressure gauge that storage one is preset in the described control system (206), corresponding pressure in the digital signal that obtained and the described Pressure gauge is compared, the motion of described driver part is adjusted according to described comparative result.
8. according to the [of the arbitrary described armarium of claim 1-7, it is characterized in that, described compressing parts (203,204) comprise a compressing bar (203) and a compressing head (204), described compressing bar (203) is connected with described driver part and along moving towards the direction of patient body or away from the direction of patient body, described compressing head (204) is installed in the free end of described compressing bar.
9. according to the [of the arbitrary described armarium of claim 1-7, it is characterized in that, described driver part (201,202) comprises a motor (201) and a drive mechanism (202), and described motor (201) drives described drive mechanism (202) and moves.
10. the [of armarium according to claim 9 is characterized in that, described drive mechanism (202) comprises screw mandrel and feed screw nut.
11. the [according to the arbitrary described armarium of claim 1-7 is characterized in that, described armarium is a shadowgraph equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200060553U CN201150544Y (en) | 2008-02-02 | 2008-02-02 | Compression device for medical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200060553U CN201150544Y (en) | 2008-02-02 | 2008-02-02 | Compression device for medical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201150544Y true CN201150544Y (en) | 2008-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200060553U Expired - Lifetime CN201150544Y (en) | 2008-02-02 | 2008-02-02 | Compression device for medical device |
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| Country | Link |
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| CN (1) | CN201150544Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997969A (en) * | 2011-11-21 | 2014-08-20 | 皇家飞利浦有限公司 | Individual monitoring of compression force for mammographic examinations |
| CN104068873A (en) * | 2013-03-27 | 2014-10-01 | 深圳市蓝韵实业有限公司 | X-ray photographing system and four-bar folding compressor |
| CN106037783A (en) * | 2016-07-21 | 2016-10-26 | 深圳市深图医学影像设备有限公司 | Guiding-type stomach and intestine compressor |
| CN105476652B (en) * | 2016-01-05 | 2018-08-14 | 深圳安科高技术股份有限公司 | A kind of breast compression device telecontrol equipment and its pressure and thickness calibration method |
| CN110799164A (en) * | 2017-12-13 | 2020-02-14 | 上海联影医疗科技有限公司 | System and method for diagnosis and treatment |
-
2008
- 2008-02-02 CN CNU2008200060553U patent/CN201150544Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997969A (en) * | 2011-11-21 | 2014-08-20 | 皇家飞利浦有限公司 | Individual monitoring of compression force for mammographic examinations |
| CN104068873A (en) * | 2013-03-27 | 2014-10-01 | 深圳市蓝韵实业有限公司 | X-ray photographing system and four-bar folding compressor |
| CN104068873B (en) * | 2013-03-27 | 2016-02-10 | 深圳市蓝韵实业有限公司 | X-ray photographing system and four-bar folding compressor |
| CN105476652B (en) * | 2016-01-05 | 2018-08-14 | 深圳安科高技术股份有限公司 | A kind of breast compression device telecontrol equipment and its pressure and thickness calibration method |
| CN106037783A (en) * | 2016-07-21 | 2016-10-26 | 深圳市深图医学影像设备有限公司 | Guiding-type stomach and intestine compressor |
| CN106037783B (en) * | 2016-07-21 | 2023-06-23 | 深圳市深图医学影像设备有限公司 | Guiding gastrointestinal compressor |
| CN110799164A (en) * | 2017-12-13 | 2020-02-14 | 上海联影医疗科技有限公司 | System and method for diagnosis and treatment |
| US11872063B2 (en) | 2017-12-13 | 2024-01-16 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for diagnosis and treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081119 |
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| CX01 | Expiry of patent term |