JPH04164457A - Method and device for control of liquid transfusion pump - Google Patents

Abstract

PURPOSE:To eliminate misoperation of or necessity for checking an operation/ display panel and facilitate liquid transfusion to be done properly by displaying and making functional control keys for setting within the operation/display panel, displaying items needed for monitoring while a transfusion pump is being driven, and displaying and making functional the control key for stopping the pump. CONSTITUTION:When power is turned on to the control device of an operation/ display panel 1, generally the working conditions with the highest service frequency are displayed as shown in the attached illustration, and a drive part 3 is set so that a liquid transfusion pump will operate under these working conditions. If the part 11 indicated as 'start' is pushed by finger, it is sensed by a clear switch panel 5 and transmitted to a CPU 2. and the drive part 3 is operated to start liquid delivery. Now the display changes as in the illustration, and the cumulated amount 12 of liquid delivery and the residual time 13 until the liquid delivery is finished are displayed together with a message 'stop' 14. If the part with 'stop' 14 is pushed by hand, it is sensed through the clear switch panel 5, and the drive part 3 can be stopped through the CPU 2.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a control method and a control device for an infusion pump used in medical settings.

(Prior Art) Conventionally, it is known that a pump drive unit such as a peristaltic finger pump acts on an infusion tube to feed a liquid (for example, Japanese Patent Publication No. 1-14432).

Such an infusion pump is composed of the pump drive section, a control section for the pump drive section, and an operation/display panel connected to the control section for setting operating conditions and displaying operating status. ing.

In use, input the flow rate per unit time and scheduled amount as operating conditions through the operation/display panel, and then perform the operation/display.
The infusion pump is driven by turning on the start switch on the display panel.

When driving an infusion pump, sensors monitor various environmental conditions such as whether the infusion tube is set, whether there are air bubbles in the infusion tube, whether the infusion tube is blocked, etc., and stop the drive and issue alarms. There is a safety mechanism in place to prevent this from happening.

Further, the amount of fluid delivered by driving the infusion pump is calculated by a calculation device in the control section and displayed on the operation/display panel. This integrated amount is compared with a set scheduled amount and the completion of liquid feeding is managed.

(Problem to be Solved by the Invention) Conventional infusion pumps have the above-mentioned configuration, so the operation/display panel includes switches for setting operating conditions,
Not only do many lamps have to be placed to display the operating status, but the operation is complicated as it is necessary to confirm the individual functions (roles) of the many switches and lamps. The problem was that it was easy to cause erroneous operation and misidentification.

In addition, when adding new functions to the infusion pump (for example, setting the physical conditions of the infusion tube used), it is necessary to further provide switches, indicator lamps, etc. on the operation/display panel. In fact, it was difficult to add functions because it would further exacerbate the problems described above.

This invention has been made in view of the above-mentioned problems, and provides an infusion pump control method and control device that allows setting of operating conditions to be performed easily and without error, as well as confirmation of operating status without error and easily. is intended to provide.

(Means for Solving the Problems) A method for controlling an infusion pump according to the present invention that achieves the above-mentioned object is to set the operating conditions of the infusion pump using operation keys provided in the operation/display panel, and to control the infusion pump according to the set operation. In the method for controlling an infusion pump, the infusion pump is driven by a drive unit that operates according to conditions, and the operating status of the infusion pump is displayed on the operation/display panel, when setting the operating conditions, the operation/display panel In addition to displaying the items necessary for the settings, the operation keys necessary for the settings are also displayed and functionalized.While the infusion pump is running, the items necessary for monitoring are displayed on the operation/display panel. In addition, the device is characterized in that an operation key for stopping the infusion pump is displayed and functionalized.

When the sensor detects an abnormality while the infusion pump is running, the infusion pump may be stopped and the abnormality may be displayed on the operation/display panel.

Further, the infusion pump control device of the present invention is an infusion pump control device including a drive section for the infusion pump, a control section for the drive section, and an operation/display panel connected to the control section. The operation/display panel is constructed by stacking a display board and a transparent switch panel, and the display board is connected to the CPU via an image control device, and the transparent switch panel is connected to the CPU via a key interface, respectively.
The PU is characterized in that it is combined with a storage device and an external interface to constitute a control section for the drive section.

(Function) According to the present invention, unnecessary displays and unnecessary operation keys can be eliminated from the panel display.

As a result, the operating status can be checked properly, and the operating conditions can be easily set without fail.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows the configuration of a control device for an infusion pump according to an embodiment, in which 1 is an operation/display panel, 2 is a CPU, and 3 is a drive unit for the infusion pump.

The operation/display panel 1 has a transparent display surface on a display board 4 which is a character and image display device composed of a liquid crystal (cathode ray tube, plasma display, fluorescent display board, electroluminescence panel). The display board 4 is connected to the CPU 2 via the image control device 6 to form an output section of the CPU 2, while the transparent switch panel 5 is connected to the key interface 7. is connected to CPU2 via
This forms the input section of U2.

The CPU 2 itself is connected to a ROMg, a RAM 9, etc. to form a computer, and is configured to perform predetermined operations according to a program stored in the ROM 8 in advance. In the figure, reference numeral 10 denotes a sensor interface, which is used to detect situations in which the operation of the infusion pump should be interrupted, such as a sensor that detects occlusion of the infusion tube or a sensor that detects air bubbles during liquid delivery. Various sensors for detection are connected.

Next, the operation of the above embodiment will be explained. The operation/display panel 1 is designed to display displays as shown in Figures 2 to 7, and when the control device is turned on, the display as shown in Figure 2 first appears. It looks like this.

Various operating condition data are registered in advance in the computer comprising the CPU 2, ROM 8, and RAM 9, and when the power is turned on, the operating condition that is generally used at the highest degree of use is displayed as shown in Fig. 2. is displayed, and the drive unit 3 is set so that the infusion pump operates under the operating conditions.

When it is okay to start feeding the liquid under these operating conditions, operate the
On the display panel 1, press the part 11 where "Start" is displayed with your finger. The pressing of the portion 11 is detected by the transparent switch panel 5 and transmitted to the CPU 2, and the drive unit 3 operates.
Liquid delivery will start.

When liquid feeding starts, the display on the operation/display panel 1 changes as shown in Figure 5, and displays information necessary for monitoring during liquid feeding, such as the cumulative amount of liquid fed 12 and the amount remaining until liquid feeding is completed. Time 13 is displayed and "Stop" 14 is displayed. "Stop"
When you press the part 14 with your finger, the pressure will be applied to the transparent switch panel 5.
The drive unit 3 can be stopped through the CPU 2, and if you want to interrupt the liquid feeding, you can press the "stop" button 14.

On the other hand, if the operator wishes to change the liquid feeding conditions at the start of liquid feeding, press the portion 15 labeled "Change" in FIG. Pressure on the portion 15 is also detected via the transparent switch panel 5, and the operation/display panel 1 switches to a display as shown in FIG.

Therefore, for example, if you want to change the flow rate, press the area 16 labeled "Flow rate" with your finger. This suppression is also detected by the transparent switch panel, and the operation/display panel 1 is switched as shown in FIG. 4, and the portion 16 is displayed in inverted characters and the numeric keypad 17 is displayed. The transparent switch panel 5 in the area where the numeric keypad 17 is displayed will be functionalized to detect pressure, enter the required flow rate value, and press "
By pressing the "Set" portion 18, the change in flow rate is set. When the setting is completed, the operation/display panel 1 returns to the state shown in FIG. 3. If you also want to change the conditions for the scheduled amount, tube, and mode, please go to step 19 for each.
20. Just press the part 21 and operate in the same way as above.

When the necessary condition changes are completed, “
When the section 22 labeled "End" is pressed, it is detected by the transparent switch panel 5, and the display shown in FIG. 2 (displayed numerical values for various conditions are changed) is displayed. Thereafter, the start and stop of the operation are the same as described above.

Various sensors are connected to the CPU 2 via a sensor interface 10, and if an abnormality is detected in the sensor during liquid feeding, the CPU 2 stops the drive unit 3 and issues an alarm, and also displays the information on the operation/display panel 1. change.

For example, when it is detected that air bubbles have entered the liquid feeding tube, the flow changes as shown in FIG. 6. here,"
When the section 23 labeled "Mute" is pressed, suppression of the section 23 is detected and the alarm is interrupted. Operation/display panel 1
The display changes to the one shown in FIG.

Next, remove the abnormality detected by the sensor and
When you press the part 24 labeled "Confirm" in the figure, the CPU 2 recognizes that the abnormality has been resolved, and the operation/display panel 1
returns to its original display state (for example, as shown in FIG. 5), and the operation of the drive unit 3 is restarted.

Having explained the embodiments above, the operation/display panel 1
The display items displayed or the types of operation keys displayed and functionalized are not limited to the embodiments.

There are several types of infusion tubes used in this infusion pump, and each infusion tube has its own conditions, such as the amount of fluid delivered per certain cycle (for example, one cycle), the air bubble detection level, the blockage detection level, etc. is stored in ROM 8 in advance, and when using the infusion pump, the type of infusion tube to be used (product number, model number, etc.) must be specified, but the conditions of the infusion tube can be entered through the operation/display panel 1. The operation/display panel 1
It is also possible to expand the range of infusion tubes that can be used without complicating the panel display.

Also, regarding the liquid feeding pattern, it is possible to easily set the liquid feeding pattern by registering various patterns in the ROM 8, such as normal liquid feeding, intermittent liquid feeding, step liquid feeding, etc. . Furthermore, in combination with external sensors, it is also possible to set fluid delivery in relation to heart rate and blood pressure.

In either case, when starting liquid feeding, the operation keys for the items necessary for the settings are displayed on the operation/display panel 1 and are made functional, so the panel display on the operation/display panel 1 is By using only the necessary items, you can prevent erroneous operations and make setting work easier.

Furthermore, the amount of liquid to be fed may be set not only by the amount of liquid to be fed per unit time, but also by the total amount of liquid to be fed and the liquid feeding time (i.e., how many ml, how many minutes, etc.).

These can be freely controlled by a program for a computer composed of a CPU 2, ROM 8, and RAM 9, and the operation keys necessary for setting conditions are displayed and functionalized on the operation/display panel 1. While the infusion pump is in operation, necessary information regarding the judgment situation is displayed.

(Effects of the Invention) According to the present invention, it is possible to eliminate erroneous operations and misperceptions on the operation/display panel, and the operation is simple, so that it is possible to easily administer appropriate infusions, and to prevent accidents during infusions. be.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of the present invention, and FIGS. 2 to 7 are front views showing the display status of the operation/display panel of the same embodiment. 1...Operation/display panel 2...CPU3...
・Drive unit 4...Display board 5...Transparent switch panel 6...Image control device 7...Key interface 8...ROM9...RAM 10...Sensor interface patent applicant Almex Co., Ltd.

Claims (1)

[Claims] 1. The operating conditions of the infusion pump are set using operation keys provided in the operation/display panel, and the infusion pump is driven by a drive section that operates under the set operating conditions, and the infusion pump operates. In the infusion pump control method in which the status is displayed on the operation/display panel, when setting the operating conditions, the operation/display panel displays the items necessary for the setting, and also displays the necessary operations for the setting. The key is displayed and functionalized, and while the infusion pump is running, the necessary items for monitoring are displayed on the operation/display panel, and the operation key for stopping the infusion pump is displayed and functionalized. Method 2 for controlling an infusion pump, characterized in that when an abnormality is detected by a sensor while the infusion pump is running, the infusion pump is stopped and the abnormality is displayed on the operation/display panel. Infusion pump control method 3 according to claim 1, wherein the infusion pump control device includes an infusion pump drive section, a control section for the drive section, and an operation/display panel connected to the control section. The operation/display panel is constructed by stacking a display board and a transparent switch panel, and the display board is connected to a CPU via an image control device, and the transparent switch panel is connected to a CPU via a key interface. A control device for an infusion pump, characterized in that it is combined with a storage device and an external interface to constitute a control section for the drive section.