Extraction equipment for circulating simulation liquid of in-vitro infusion tube

Abstract

The utility model discloses in-vitro infusion tube circulation simulation liquid extraction equipment, and relates to the technical field of infusion tube detection. The utility model relates to in-vitro infusion tube circulation simulation liquid extraction equipment, which comprises a cabinet body, one side of the cabinet body is a working platform, and the other side is provided with a water bath; a horizontally suspended bracket is arranged on the tank wall of the water bath tank; the peristaltic pumps are arranged on the working platform at intervals; steps are arranged on the circumferential side wall, close to the notch, of the water bath, and the heat preservation plate is in lap joint with the steps in the water bath; a plurality of bottle holes corresponding to the peristaltic pumps in position are formed in the insulation board at intervals; and the heating element is arranged in the tank wall or the tank bottom of the water bath tank. According to the in-vitro infusion tube circulation simulation liquid extraction equipment, the temperature of the environment where collected simulation liquid is located is the same as the temperature of a human body, the flow speed of the simulation liquid in the circulation extraction process is stable and adjustable, and multi-channel batch testing can be carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of infusion tube detection, in particular to a device for extracting circulating simulated liquid from an extracorporeal infusion tube. Background Art

[0002] Infusion tubes are a common medical device. During the production process, they need to undergo various quality tests. One of them is to simulate the process of patients receiving an IV drip, collect the simulated fluid after the infusion tube is delivered, and test whether there are any chemical residues in the simulated fluid.

[0003] Regarding the above test process, the inventor believes that: there is currently no simulated liquid extraction equipment for in vitro infusion tube delivery. This equipment needs to meet the requirements that the ambient temperature of the collected simulated liquid is the same as the human body temperature, and the flow rate during the circulation extraction process of the simulated liquid is stable and adjustable, and multi-channel batch testing can be performed.

[0004] Therefore, how to solve the above problems is a technical problem that technicians in this field urgently need to solve.

[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0006] In view of the above technical problems, an embodiment of the utility model provides an extracorporeal infusion tube circulating simulated fluid extraction device to solve the problems raised in the above background technology.

[0007] The utility model provides the following technical solutions:

[0008] An extracorporeal infusion tube circulating simulated fluid extraction device, comprising:

[0009] Cabinet;

[0010] One side of the cabinet is a working platform, and the other side is provided with a water bath; a horizontally suspended bracket is provided on the wall of the water bath;

[0011] A plurality of peristaltic pumps are arranged at intervals on the working platform;

[0012] The insulation board is provided with a step on the circumferential side wall of the water bath near the notch, and the insulation board is overlapped on the step in the water bath; a plurality of bottle holes corresponding to the positions of the peristaltic pumps are arranged at intervals on the insulation board;

[0013] A heating element is arranged in the wall or the bottom of the water bath;

[0014] A temperature sensor is disposed in the water bath;

[0015] A plurality of glass containers are placed on a rack in the water bath at intervals, and each glass container is individually passed through a bottle hole on the insulation board;

[0016] The controller is electrically connected to the heating element and the temperature sensor and is used to control the heating temperature of the water in the water bath.

[0017] Preferably, a convex ridge is provided between the working platform and the water bath, a plurality of limiting grooves are provided at intervals on the convex ridge, and the limiting grooves are located between the peristaltic pump and the bottle hole.

[0018] Preferably, the bracket includes a plurality of metal rods arranged at intervals, and the plurality of metal rods are plugged and fixed on the wall of the water bath.

[0019] Preferably, the glass container is a flat-bottom flask or a flat-bottom beaker.

[0020] Preferably, the cabinet is provided with a drain pipe connected to the water bath, and the drain pipe is provided with a control valve.

[0021] Preferably, a handle is provided on one side of the insulation board.

[0022] The present invention provides a device for extracting circulating simulated fluid from an extracorporeal infusion tube, which has the following beneficial effects:

[0023] 1. The utility model designs an extracorporeal infusion tube circulating simulated liquid extraction device, which can meet the requirements of the environmental temperature of the collected simulated liquid being the same as the human body temperature through constant temperature heating in a water bath;

[0024] 2. By setting up a peristaltic pump to transport the simulated liquid, the flow rate of the simulated liquid in the circulation extraction process is stable and adjustable;

[0025] 3. At the same time, the utility model is provided with multiple groups of peristaltic pumps, glass containers, etc., and multi-channel batch tests can be performed on the simulated liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of the utility model from angle 1;

[0027] Figure 2 This is a structural schematic diagram of the utility model from angle 2;

[0028] Figure 3 For this utility model Figure 2 Cross-section view in the AA direction;

[0029] Figure 4 is a perspective view of the utility model;

[0030] Figure 5 This is a schematic diagram of the structure of the utility model after the insulation board is removed;

[0031] Figure 6 This is a schematic diagram of the structure of the insulation board in the utility model;

[0032] Figure 7 For this utility model Figure 5 A partial enlarged view of B. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0034] See also Figure 1-Figure 7 .

[0035] In view of the problems mentioned in the above background technology, the embodiment of the utility model provides an extracorporeal infusion tube circulating simulated liquid extraction device to solve the above technical problems, and its technical solution is as follows:

[0036] An extracorporeal infusion tube circulating simulated fluid extraction device, comprising:

[0037] Cabinet 100; the cabinet 100 is made of metal plate;

[0038] One side of the cabinet 100 is a working platform 110, and the other side is provided with a water bath 120; a horizontally suspended bracket 122 is provided on the wall of the water bath 120; the water bath 120 is filled with water;

[0039] A plurality of peristaltic pumps 130 are arranged at intervals on the working platform 110;

[0040] The heat preservation plate 150, the water bath 120 is provided with a step 120a on the circumferential side wall near the notch, and the heat preservation plate 150 is overlapped on the step 120a; a plurality of bottle holes 151 corresponding to the positions of the peristaltic pumps 130 are arranged at intervals on the heat preservation plate 150;

[0041] The material of the heat preservation plate 150 is generally stainless steel. In order to improve the heat preservation effect, the stainless steel can be provided with a heat preservation interlayer. The heat preservation plate 150 is provided on the water bath 120 mainly to prevent the water in the water bath 120 from being heated and more heat overflowing through the notch of the water bath 120.

[0042] The heating element is arranged in the wall of the water bath 120 or at the bottom of the water bath 120; the heating element is an electric heating wire or an electric heating tube or other common heating elements, which generates heat by energizing, and then transfers the heat to the water in the water bath 120 to heat the water bath 120;

[0043] A temperature sensor is disposed in the water bath 120; the temperature sensor is used to monitor the temperature of the water in the water bath 120 in real time and provide temperature feedback; the water bath temperature is controlled at a constant temperature of 37°C;

[0044] A plurality of glass containers 160 are placed at intervals on the bracket 122 in the water bath 120, and each glass container 160 passes through the bottle hole 151 on the insulation board 150 individually; the glass container 160 is used to collect the simulated liquid, and the glass container 160 is made of glass to avoid the introduction of other chemical impurities.

[0045] The controller is electrically connected to the heating element and the temperature sensor, and is used to control the heating temperature of the water in the water bath 120 .

[0046] The working method of the device for extracting circulating simulated fluid from an extracorporeal infusion tube provided by the embodiment of the utility model is as follows:

[0047] 1. Control the heating element to heat the water in the water bath 120 so that the water bath temperature is controlled at a constant temperature of 37° C.;

[0048] 2. Take the infusion tube 140 to be tested and ensure that the peristaltic pump 130 is turned off;

[0049] 3. Insert the infusion tube 140 into the pump head of the peristaltic pump 130 and firmly fix the infusion tube 140 on the peristaltic pump 130 through the clamping device on the peristaltic pump 130;

[0050] 4. One end of the infusion tube 140 is inserted into a container filled with simulated liquid, and the container filled with simulated liquid is used to simulate an intravenous drip bottle; the other end of the infusion tube 140 is laid flat and extended into the glass container 160, and the infusion tube 140 is adhered to the top surface of the cabinet 100 by tape for fixation;

[0051] 5. Start the peristaltic pump 130, set the flow rate, working time and other parameters, and the simulated liquid will flow into the glass container 160 within the set time;

[0052] 6. After the experiment is finished, the glass container 160 is taken out from the water bath 120, and the simulated liquid collected in the glass container 160 can be tested for chemical residues.

[0053] Figure 5 , Figure 7As shown; in this embodiment, a convex rib 123 is provided between the working platform 110 and the water bath 120, and a plurality of limiting grooves 123a are provided at intervals on the convex rib 123, and the limiting grooves 123a are located between the peristaltic pump 130 and the bottle hole 151;

[0054] When the infusion tube 140 is laid flat on the top surface of the cabinet 100 , it can be placed in the limiting groove 123 a of the convex rib 123 to assist in positioning the infusion tube 140 .

[0055] In this embodiment, the bracket 122 includes a plurality of metal rods arranged at intervals, and the plurality of metal rods are plugged and fixed on the wall of the water bath 120; at the same time, the height of the bracket 122 is adjustable, which is adjusted by the plug-in height of the metal rods.

[0056] In this embodiment, the glass container 160 is a flat-bottom flask or a flat-bottom beaker; flat-bottom flasks or flat-bottom beakers are some common experimental glass bottles, which are easy to obtain.

[0057] In this embodiment, the cabinet 100 is provided with a drain pipe 121 connected to the water bath 120 , and a control valve is provided on the drain pipe 121 ; when the water in the water bath 120 needs to be replaced, the control valve can be opened to drain the water.

[0058] In this embodiment, a handle 152 is provided on one side of the heat preservation board 150 ; the handle 152 is provided to facilitate taking out the heat preservation board 150 .

[0059] An extracorporeal infusion tube circulating simulated liquid extraction device provided by an embodiment of the utility model has the following beneficial effects: the utility model designs an extracorporeal infusion tube circulating simulated liquid extraction device, which can meet the requirement that the ambient temperature of the collected simulated liquid is the same as the human body temperature by constant temperature heating in a water bath; a peristaltic pump is provided to transport the simulated liquid, thereby achieving a stable and adjustable flow rate of the simulated liquid in the circulating extraction process; at the same time, the utility model is provided with multiple groups of peristaltic pumps, glass containers, etc., and multi-channel batch testing of the simulated liquid can be performed.

[0060] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, and may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0061] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0062] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and concept of the utility model, and all these changes or substitutions should fall within the protection scope of the claims attached to the utility model.

Claims

1. An extracorporeal infusion tube circulating simulated fluid extraction device, characterized in that: include: Cabinet; One side of the cabinet is a working platform, and the other side is provided with a water bath; a horizontally suspended bracket is provided on the wall of the water bath; A plurality of peristaltic pumps are arranged at intervals on the working platform; The insulation board is provided with a step on the circumferential side wall of the water bath near the notch, and the insulation board is overlapped on the step in the water bath; a plurality of bottle holes corresponding to the positions of the peristaltic pumps are arranged at intervals on the insulation board; A heating element is arranged in the wall or the bottom of the water bath; A temperature sensor is disposed in the water bath; A plurality of glass containers are placed on a rack in the water bath at intervals, and each glass container is individually passed through a bottle hole on the insulation board; The controller is electrically connected to the heating element and the temperature sensor and is used to control the heating temperature of the water in the water bath.

2. The device for extracting circulating simulated fluid from an extracorporeal infusion tube according to claim 1, characterized in that: A convex ridge is arranged between the working platform and the water bath, and a plurality of limiting grooves are arranged at intervals on the convex ridge, and the limiting grooves are located between the peristaltic pump and the bottle hole.

3. The device for extracting circulating simulated fluid from an extracorporeal infusion tube according to claim 1, characterized in that: The support comprises a plurality of metal rods which are arranged at intervals, and the plurality of metal rods are plugged and fixed on the wall of the water bath.

4. The device for extracting circulating simulated fluid from an extracorporeal infusion tube according to claim 1, characterized in that: The glass container is a flat-bottom flask or a flat-bottom beaker.

5. The device for extracting circulating simulated fluid from an extracorporeal infusion tube according to claim 1, characterized in that: The cabinet is provided with a drain pipe connected with the water bath, and the drain pipe is provided with a control valve.

6. The device for extracting circulating simulated fluid from an extracorporeal infusion tube according to claim 1, characterized in that: A handle is provided on one side of the heat preservation board.

Images