Injection pump detection device

Abstract

The utility model relates to the technical field of medical instrument metering, in particular to an injection pump detection device. The detection device comprises a base, the left end of the upper side of the base is connected with an operation seat, the upper side of the base is provided with a fixing device used for fixing an injection pump to be detected, the operation seat is internally provided with a horizontally-arranged hard pipe, the right end of the hard pipe extends out of the operation seat, the right end of the hard pipe can be connected with an injector, and the hard pipe is provided with a flow sensor and a pressure sensor. A valve is installed at the left end of the hard pipe, a valve handle of the valve extends out of the front side of the operation seat, a drainage pipe is connected to the valve, and a water tank corresponding to the drainage pipe is placed on the base. According to the technical scheme, by adjusting the blocking pressure, detection of the flow and the blocking alarm threshold value of the to-be-detected injection pump is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of medical device metrology, and specifically, to an injection pump detection device. Background Art

[0002] An injection pump can control the infusion flow rate and the total infusion volume, and has an alarm function at the same time. It is widely used clinically. In order to ensure the normal use of the injection pump, the "Calibration Specification for Medical Injection Pumps and Infusion Pumps" JJF 1259-2018 stipulates the detection of the flow rate and occlusion alarm threshold of medical injection pumps and infusion pumps. Existing detection devices, such as Chinese Patent ZL202010055369.8, disclose a method for calibrating a micro-flow injection pump, which includes connecting a test injection pump and a standard injection pump to the input end of a rotameter through a catheter respectively; selecting several flow points to be tested on the rotameter and marking the error lines corresponding to each flow point; turning on the standard injection pump, adjusting the flow rate of the standard injection pump to the set value to make the float on the rotameter reach the set flow point position, recording the adjustment position of the standard injection pump at this time, and then turning off the standard injection pump; adjusting the test injection pump to the same adjustment position as the standard injection pump, recording the position of the float on the rotameter and its positional relationship with the error line; repeating the calibration until all flow points are tested; judging the qualification of the test injection pump according to the test results of all flow points.

[0003] The above technical solution has the following disadvantages: It is inconvenient to use for calibration with a standard injection pump, etc. Content of the Utility Model

[0004] The purpose of the utility model is to provide an injection pump detection device for the above problems, which is convenient for detecting the flow rate and occlusion alarm threshold of a to-be-tested injection pump.

[0005] To achieve the above purpose, the utility model discloses an injection pump detection device, which includes a base. A control seat is connected to the left end of the upper side of the base. A fixing device for fixing a to-be-tested injection pump is installed on the upper side of the base. A horizontal hard tube is installed inside the control seat. The right end of the hard tube extends out of the control seat, and the right end of the hard tube can be connected to a syringe. A flow sensor and a pressure sensor are installed on the hard tube. A valve is installed at the left end of the hard tube. The valve handle of the valve extends out of the front side of the control seat. A drain pipe is connected to the valve. A water tank corresponding to the drain pipe is placed on the base.

[0006] During use, first, place the injection pump to be tested on the upper side of the base and fix it using the fixing device. Then, connect the hard tube to the syringe. Finally, start the injection pump to be tested. The flow sensor is used to detect the flow rate of the injection pump to be tested, and the pressure sensor detects the pressure of the injection pump to be tested. Adjust the valve handle to change the occlusion pressure until the injection pump to be tested alarms, so as to detect the occlusion alarm threshold of the injection pump to be tested.

[0007] This technical solution facilitates the detection of the flow rate and occlusion alarm threshold of the injection pump to be tested by adjusting the occlusion pressure.

[0008] Preferably, a flow display screen and a pressure display screen are installed on the front side of the operation seat. The flow display screen is electrically connected to the flow sensor, and the pressure display screen is electrically connected to the pressure sensor.

[0009] During use, the flow display screen is used to display the flow rate data, and the pressure display screen is used to display the pressure data, which facilitates the tester to obtain the detection data in real time and directly.

[0010] Preferably, a flexible tube is connected to the right end of the hard tube, and the right end of the flexible tube can be sleeved on the output end of the syringe.

[0011] During use, connect the hard tube and the output end of the syringe together through the flexible tube, which is convenient for operation.

[0012] Preferably, the fixing device includes a fixed clamping plate fixedly installed on the upper side of the base and capable of contacting the left side wall of the injection pump to be tested. The fixing device also includes a movable clamping plate slidably connected to the upper side of the base and capable of contacting the right side wall of the injection pump to be tested. A driving device for driving the movement of the movable clamping plate is installed on the base.

[0013] During use, control the movement of the movable clamping plate through the driving device to fix the injection pump to be tested.

[0014] Preferably, the driving device includes a screw rod rotatably connected to the base and a slider slidably connected to the base. The slider is screwed to the screw rod, a handwheel is installed at the right end of the screw rod, and the movable clamping plate is connected to the slider.

[0015] During use, the tester rotates the handwheel to fix the injection pump to be tested, which is convenient for operation.

[0016] Preferably, two slide rails are installed on the base, which are respectively located on the front and rear sides of the slider. Slide grooves are correspondingly formed on the front and rear sides of the slider.

[0017] During use, the slider moves along the slide rail smoothly.

[0018] Preferably, the inner side of the upper side wall of the base is connected with a slider movable shell. The slide rails are located on the front and rear side walls of the slider movable shell. An activity clamping plate activity groove for the movable clamping plate to move is formed on the upper side wall of the base.

[0019] This structure is convenient for processing and manufacturing.

[0020] Preferably, a cabinet door is installed at the front of the base, and a cabinet door handle is installed on the cabinet door.

[0021] During use, opening the cabinet door facilitates handling the water tank.

[0022] Preferably, the front side of the operation seat is inclined.

[0023] During use, it is convenient for the inspectors to operate.

[0024] In summary, the beneficial effects of the present utility model are as follows: By adjusting the blocking pressure, this technical solution facilitates the detection of the flow rate and blocking alarm threshold of the injection pump to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of a detection device for an injection pump of the present utility model;

[0026] Figure 2 is a schematic internal structural diagram of a detection device for an injection pump of the present utility model;

[0027] Figure 3 is Figure 2 a schematic structural diagram of the middle cross-section A-A;

[0028] Figure 4 is Figure 2 a schematic structural diagram of the middle cross-section B-B.

[0029] In the figure: 1, base; 2, operation seat; 3, drain pipe; 4, valve handle; 5, flow display screen; 6, pressure display screen; 7, injection pump to be tested; 8, syringe; 9, fixed clamping plate; 10, movable clamping plate; 11, hose; 12, hard pipe; 13, cabinet door; 14, cabinet door handle; 15, flow sensor; 16, pressure sensor; 17, valve; 18, water tank; 19, handwheel; 20, screw; 21, slider; 22, chute; 23, slider moving shell; 24, movable clamping plate moving groove; 25, slide rail. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0032] The terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise stated, the meaning of "a plurality" is two or more.

[0033] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0034] The following further describes the present utility model in conjunction with the drawings and specific embodiments:

[0035] As Figures 1 to 4 shown, an injection pump detection device includes a base 1. At the left end of the upper side of the base 1, an operation seat 2 is connected. A fixing device for fixing the injection pump 7 to be tested is installed on the upper side of the base 1. A horizontal hard tube 12 is installed inside the operation seat 2. The right end of the hard tube 12 extends out of the operation seat 2. The right end of the hard tube 12 can be connected to a syringe 8. A flow sensor 15 and a pressure sensor 16 are installed on the hard tube 12. A valve 17 is installed at the left end of the hard tube 12. The valve handle 4 of the valve 17 extends out of the front side of the operation seat 2. A drain pipe 3 is connected to the valve 17. A water tank 18 corresponding to the drain pipe 3 is placed on the base 1.

[0036] When in use, first, place the injection pump 7 to be tested on the upper side of the base 1 and fix it using the fixing device. Then, connect the hard tube 12 to the syringe 8. Finally, start the injection pump 7 to be tested. The flow sensor 15 is used to detect the flow rate of the injection pump 7 to be tested, and the pressure sensor 16 detects the pressure of the injection pump 7 to be tested. Adjust the valve handle 4 to change the occlusion pressure until the injection pump 7 to be tested alarms, so as to detect the occlusion alarm threshold of the injection pump 7 to be tested.

[0037] This technical solution facilitates the detection of the flow rate and occlusion alarm threshold of the injection pump 7 to be measured by adjusting the occlusion pressure.

[0038] A cabinet door 13 is installed at the front of the base 1, and a cabinet door handle 14 is installed on the cabinet door 13.

[0039] During use, opening the cabinet door 13 facilitates the handling of the water tank 18.

[0040] The front side of the operation seat 2 is inclined.

[0041] During use, it facilitates the operator to perform operations.

[0042] A flow rate display screen 5 and a pressure display screen 6 are installed on the front side of the operation seat 2. The flow rate display screen 5 is electrically connected to the flow rate sensor 15, and the pressure display screen 6 is electrically connected to the pressure sensor 16.

[0043] During use, the flow rate display screen 5 is used to display the flow rate data, and the pressure display screen 6 is used to display the pressure data, facilitating the operator to obtain the detection data in real time and directly.

[0044] The right end of the hard tube 12 is connected to a flexible tube 11, and the right end of the flexible tube 11 can be sleeved on the output end of the syringe 8.

[0045] During use, the hard tube 12 and the output end of the syringe 8 are connected together through the flexible tube 11, facilitating the operation.

[0046] As Figure 2 、 4 shown, the fixing device includes a fixed clamping plate 9 fixedly installed on the upper side of the base 1 and capable of contacting the left side wall of the injection pump 7 to be measured. The fixing device further includes a movable clamping plate 10 slidably connected to the upper side of the base 1 and capable of contacting the right side wall of the injection pump 7 to be measured. A driving device for driving the movement of the movable clamping plate 10 is installed on the base 1.

[0047] During use, the movement of the movable clamping plate 10 is controlled by the driving device to fix the injection pump 7 to be measured.

[0048] The driving device includes a screw rod 20 rotatably connected to the base 1 and a slider 21 slidably connected to the base 1. The slider 21 is screwed to the screw rod 20. A hand wheel 19 is installed at the right end of the screw rod 20, and the movable clamping plate 10 is connected to the slider 21.

[0049] During use, the operator rotates the hand wheel 19 to fix the injection pump 7 to be measured, facilitating the operation.

[0050] Two slide rails 25 are installed on the base 1, respectively located on the front and rear sides of the slider 21. Corresponding sliding grooves 22 are provided on both the front and rear sides of the slider 21. Preferably, the cross-sectional shape of the slide rail 25 is triangular.

[0051] During use, the slider 21 moves along the slide rail 25 smoothly.

[0052] On the inner side of the upper side wall of the base 1, a slider movable housing 23 is connected. The slide rail 25 is located on the front and rear side walls of the slider movable housing 23. An activity splint groove 24 for the activity of the movable splint 10 is provided on the upper side wall of the base 1.

[0053] This structure is convenient for processing and manufacturing.

[0054] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present invention, several improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A syringe pump detection device, characterized in that: The invention comprises a base (1), wherein the upper left end of the base (1) is connected to an operating seat (2), a fixing device for fixing a syringe pump (7) to be tested is installed on the upper side of the base (1), a horizontally arranged hard tube (12) is installed inside the operating seat (2), the right end of the hard tube (12) extends out of the operating seat (2), the right end of the hard tube (12) can be connected to a syringe (8), a flow sensor (15) and a pressure sensor (16) are installed on the hard tube (12), a valve (17) is installed on the left end of the hard tube (12), a valve handle (4) of the valve (17) extends out of the front side of the operating seat (2), a drain pipe (3) is connected to the valve (17), and a water tank (18) corresponding to the drain pipe (3) is placed on the base (1).

2. The syringe pump detection device according to claim 1, characterized in that: A flow display screen (5) and a pressure display screen (6) are installed on the front side of the operating seat (2); the flow display screen (5) is electrically connected to the flow sensor (15), and the pressure display screen (6) is electrically connected to the pressure sensor (16).

3. The syringe pump detection device according to claim 1, characterized in that: The right end of the hard tube (12) is connected to a hose (11), and the right end of the hose (11) can be sleeved on the output end of the syringe (8).

4. The syringe pump detection device according to any one of claims 1 to 3, characterized in that: The fixing device comprises a fixing clamp (9) fixedly mounted on the upper side of the base (1) and capable of contacting the left side wall of the injection pump (7) to be tested. The fixing device also comprises a movable clamp (10) slidably connected to the upper side of the base (1) and capable of contacting the right side wall of the injection pump (7) to be tested. A driving device for driving the movable clamp (10) to move is mounted on the base (1).

5. The syringe pump detection device according to claim 4, characterized in that: The driving device comprises a screw rod (20) rotatably connected to the base (1) and a slider (21) slidably connected to the base (1), the slider (21) being threadedly connected to the screw rod (20), a hand wheel (19) being mounted on the right end of the screw rod (20), and a movable clamping plate (10) being connected to the slider (21).

6. The syringe pump detection device according to claim 5, characterized in that: Two slide rails (25) are mounted on the base (1) and are located at the front and rear sides of the slide block (21), respectively. The front and rear sides of the slide block (21) are respectively provided with slide grooves (22).

7. The syringe pump detection device according to claim 5, characterized in that: A slider movable shell (23) is connected to the inner side of the upper side wall of the base (1), and the slide rail (25) is located on the front and rear side walls of the slider movable shell (23). A movable splint movable groove (24) for accommodating the movable splint (10) is provided on the upper side wall of the base (1).

8. The syringe pump detection device according to any one of claims 1 to 3, characterized in that: A cabinet door (13) is installed at the front of the base (1), and a cabinet door handle (14) is installed on the cabinet door (13).

9. The syringe pump detection device according to any one of claims 1 to 3, characterized in that: The front side of the operating seat (2) is arranged to be inclined.

Images