CN213698306U

CN213698306U - Electronic infusion pump with novel blockage alarm device

Info

Publication number: CN213698306U
Application number: CN202021121906.6U
Authority: CN
Inventors: 程璐; 任凯英; 杨文蒴; 顿建涛; 张笑辉; 韩瑞平; 王敏
Original assignee: Henan Tuoren Beisite Medical Devices Co ltd
Current assignee: Henan Tuoren Beisite Medical Devices Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-07-16
Anticipated expiration: 2030-06-17

Abstract

The patent of the utility model relates to the field of medical equipment, a electronic infusion pump with novel jam alarm device is disclosed, including the pump head and with the medicine box of pump head integral type, the pump head includes controlling means and the connecting piece that buckle formula is connected, wear to be equipped with injection tube and the silicone tube that communicates each other in the connecting piece, be equipped with extrusion subassembly and jam alarm device in the connecting piece, it connects between injection tube and silicone tube to block up alarm device, just it is provided with the jam alarm switch with connecting piece casing correspondence to block up alarm device, the silicone tube tail end communicates the medicine box through the hose. The utility model discloses a change structure, the material that blocks up alarm device, solved weeping, unusual warning scheduling problem, the utility model discloses simple structure, block up sensitive, the convenient to use safety again of response.

Description

Electronic infusion pump with novel blockage alarm device

Technical Field

The utility model relates to the field of medical equipment, concretely relates to electron infusion pump with novel jam alarm device.

Background

An electronic infusion pump is a medical appliance which is commonly used in the medical field, and achieves the purposes of treatment and rapid pain relief mainly by intravenous administration of drugs to patients. The existing infusion pump is simple in structure, needs to pay attention to keep the vein access smooth in the operation process, needs to be processed in time after the phenomena of blockage, blood return and the like occur, otherwise, the treatment effect can be influenced, even the life of part of patients is threatened, and medical accidents are caused, so that the blockage alarm device of the electronic infusion pump needs to be designed. The current jam alarm technology about electronic infusion pump is various, for example the patent that application number is 201520598269.4, adopts the technique of drop number detection device and flow detection device cooperation alarm device, and is more complicated, and the misstatement rate is high, and application number is 201610771676.X discloses that alarm device also adopts filtration membrane, flow detection device, arranges stifled device technique, and the structure is complicated, and is with high costs, impractical.

At present, some simple blockage alarm devices are also provided, the principle of triggering an alarm switch mainly depends on physical deformation, and the blockage alarm devices in the electronic infusion pumps generally use PVC films, but the PVC films and PVC injection-molded parts have higher requirements on welding conditions, and the phenomena of liquid leakage caused by rotten and unfixed welding parts due to poor welding easily occur; the PVC film is not easy to expand under stress, and when blockage occurs in the infusion process, the alarm piece cannot trigger the blockage alarm switch, so that the alarm cannot be given, and abnormal alarm occurs.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides an electron infusion pump with novel jam alarm device has solved weeping, unusual warning scheduling problem through structure, the material that changes jam alarm device.

In order to realize the above purpose, the utility model provides an electronic infusion pump with novel jam alarm device, including the pump head and with the medicine box of pump head integral type, its characterized in that: the pump head comprises a control device and a connecting piece which are connected in a buckling mode, a medicine injection tube and a silicone tube which are mutually communicated are arranged in the connecting piece in a penetrating mode, an extrusion assembly and a blockage alarm device are arranged in the connecting piece, the blockage alarm device is connected between the medicine injection tube and the silicone tube, a blockage alarm switch is arranged at the position, corresponding to a connecting piece shell, of the blockage alarm device, and the tail end of the silicone tube is communicated with the medicine box through a hose; the blockage alarm device comprises an injection molding upper shell, an injection molding lower shell and a silica gel pad, and a connecting channel of the injection syringe and the silica gel tube is arranged in the injection molding upper shell.

Furthermore, a liquid bag is arranged in the medicine box, one end of the silicone tube in the connecting piece is connected with the liquid bag through a hose, and the other end of the medicine injection tube in the connecting piece is connected with a transfusion tube.

Furthermore, the injection molding epitheca passes through ultrasonic bonding with the injection molding inferior valve to be fixed, and the silica gel pad is arranged in the cavity that injection molding epitheca and injection molding inferior valve formed.

Furthermore, the material of injection molding epitheca and injection molding inferior valve is PC.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses among the jam alarm device, the injection molding epitheca adopts the good PC material of compatibility with the inferior valve, does benefit to ultrasonic bonding, has solved the weeping problem because of ultrasonic bonding harmfully arouses.

2. The utility model discloses block up alarm device and utilize the resilience characteristics of silica gel, when taking place to block up, the silica gel pad atress inflation, extrusion alarm switch accomplishes and blocks up the warning, solves unusual alarm problem.

3. The utility model discloses simple structure, jam response are sensitive, convenient to use is safety again.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic layout view of the connecting member in the overall pipeline of the present invention;

FIG. 3 is an exploded view of the arrangement of the connector in the infusion line of the present invention;

FIG. 4 is a schematic diagram of an explosion structure of the jam alarm device of the present invention;

fig. 5 is the assembly structure schematic diagram of the middle blockage alarm device of the utility model.

In the figure: 1-medicine box, 2-control device, 3-connecting piece, 4-liquid bag, 5-infusion tube, 6-blockage alarm device, 7-blockage alarm switch, 8-injection tube, 9-silicone tube, 10-hose, 11-extrusion component, 6-1-lower injection-molded piece shell, 6-2-silicone pad, 6-3-upper injection-molded piece shell and 6-4-welding line.

Detailed Description

The present invention will be described in detail and clearly with reference to the accompanying drawings.

As shown in fig. 1-4, an electronic infusion pump with a novel blockage alarm device comprises a pump head and a medicine box 1 integrated with the pump head, wherein the pump head comprises a control device 2 and a connecting piece 3 which are connected in a snap-in manner, the control device 2 comprises a driving device, a control system, a display screen and function keys, and the control device 2 controls the regular operation of the electronic infusion pump through parameters set by a user and monitors the operation state; wear to be equipped with injection pipe 8 and silicone tube 9 of mutual intercommunication in the connecting piece 3, be equipped with extrusion subassembly 11 and jam alarm device 6 in the connecting piece 3, extrusion subassembly 11 includes valve spare and extruded article, and valve spare and extruded article are according to controlling means 2's setting, come and go according to certain chronogenesis extrusion silicone tube 9, pump the liquid medicine in the liquid bag 4. Jam alarm device 6 connects between injection pipe 8 and silicone tube 9, forms the connection of injection pipeline to whether the detectable injection pipeline blocks up, just it is provided with jam alarm switch 7 with 3 casing correspondences of connecting piece to block up alarm device 6, silicone tube 9 tail end communicates medicine box 1 through hose 10, and the medicine passes through hose 10, silicone tube 9, 8 intercommunication of injection pipe transfer lines 5 in the medicine box 1, forms the interface, and when the medicine had the jam, the pipeline can the bulging deformation, especially blocks up alarm device 6 department, extrudees through blockking up the bulging deformation and blocks up alarm switch 7, realizes blockking up alarming function. The blockage alarm mainly depends on the deformation extrusion blockage alarm switch 7 of the silica gel pad 6-2, the blockage deformation of the silica gel pad 6-2 is the core of the technical scheme, the blockage alarm device 6 comprises an injection molding upper shell 6-3, an injection molding lower shell 6-1 and the silica gel pad 6-2, a connecting channel of a medicine injection pipe 8 and a silica gel pipe 9 is arranged in the injection molding upper shell 6-3, the injection molding upper shell 6-3 is matched with the injection molding lower shell 6-1 to fix the position of the silica gel pad 6-2, the silica gel pad 6-2 is extruded and deformed by liquid medicine, and the blockage alarm switch 7 is triggered to realize alarm. In order to ensure the structural stability and prevent liquid leakage, the injection molding upper shell 6-3 and the injection molding lower shell 6-1 are fixed through ultrasonic welding, and the silica gel pad 6-2 is positioned in a cavity formed by the injection molding upper shell 6-3 and the injection molding lower shell 6-1. The upper injection molding part shell 6-3 and the lower injection molding part shell 6-1 are preferably made of PC (polycarbonate), and the PC is good in material compatibility, facilitates ultrasonic welding and ensures the stability of the ultrasonic welding.

In the embodiment, a liquid bag 4 is arranged in the medicine box 1, one end of a silicone tube 9 in the connecting piece 3 is connected with the liquid bag 4 through a hose 10, and the other end of a medicine injection tube 8 in the connecting piece 3 is connected with a transfusion tube 5. The upper shell 6-3 and the lower shell 6-1 of the injection molding part are fixed by ultrasonic welding, and a welding line 6-4 shown in figure 5 is formed after the welding is finished.

The utility model discloses jam alarm principle does: in the infusion process, when blockage occurs, such as blockage of the medicine injection pipe 8 or the silicone tube 9 or folding and pressing or blockage of the infusion pipe 5, the silicone pad 6-2 is stressed and expanded to enable the extrusion component 11 to extrude the alarm switch 7, and the blockage alarm signal is sent out through processing of the control system to complete blockage alarm.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electronic infusion pump with novel jam alarm device, includes the pump head and with medicine box (1) of pump head integral type, its characterized in that: the pump head comprises a control device (2) and a connecting piece (3) which are connected in a buckle mode, a medicine injection tube (8) and a silicone tube (9) which are communicated with each other are arranged in the connecting piece (3) in a penetrating mode, an extrusion assembly (11) and a blockage alarm device (6) are arranged in the connecting piece (3), the blockage alarm device (6) is connected between the medicine injection tube (8) and the silicone tube (9), a blockage alarm switch (7) is arranged at the position, corresponding to a shell of the connecting piece (3), of the blockage alarm device (6), and the tail end of the silicone tube (9) is communicated with the medicine box (1) through a hose (10); the blockage alarm device (6) comprises an injection molding upper shell (6-3), an injection molding lower shell (6-1) and a silica gel pad (6-2), and a connecting channel of a medicine injection pipe (8) and a silica gel pipe (9) is arranged in the injection molding upper shell (6-3).

2. The electronic infusion pump with the novel occlusion alarm device of claim 1, wherein: the liquid bag (4) is arranged in the medicine box (1), one end of a silicone tube (9) in the connecting piece (3) is connected with the liquid bag (4) through a hose (10), and the other end of a medicine injection tube (8) in the connecting piece (3) is connected with a transfusion tube (5).

3. The electronic infusion pump with the novel occlusion alarm device of claim 1, wherein: the injection molding upper shell (6-3) and the injection molding lower shell (6-1) are fixed through ultrasonic welding, and the silica gel pad (6-2) is located in a cavity formed by the injection molding upper shell (6-3) and the injection molding lower shell (6-1).

4. An electronic infusion pump with a novel occlusion alarm device, according to claim 1 or 3, characterized in that: the upper injection molding part shell (6-3) and the lower injection molding part shell (6-1) are made of PC.