CN211272846U

CN211272846U - Portable infusion device

Info

Publication number: CN211272846U
Application number: CN201821914428.7U
Authority: CN
Inventors: 钱晨月; 黄幼华; 黄明亮; 张剑慈; 陈科
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-20
Filing date: 2018-11-20
Publication date: 2020-08-18
Anticipated expiration: 2028-11-20

Abstract

A portable infusion device consists of an air storage bag, a pressure gauge A, a self-operated balance valve, a pressure gauge B, an infusion box, an air inlet interface, a one-way valve, an inflator pump, a liquid medicine bag, a Murphy dropper, a manual regulating valve, a filter and a needle head; the infusion box consists of a box cover, a perspective window, a sealing strip, a lock catch, an elastic diaphragm, a box body and a hinge. The infusion device has the advantages that the requirement on the height difference between the liquid medicine and the infusion position is not limited in the infusion process, the infusion device can be used even under the condition of being loaded on the infusion position, the application range is wide, and the infusion device is particularly suitable for emergency rescue in complex environments such as disaster relief, battlefields and the like and under the condition of high liquidity.

Description

Portable infusion device

Technical Field

The utility model relates to a portable infusion device.

Background

The traditional infusion mode is commonly called as 'bottle hanging' or 'infusion needle', which is a traditional infusion mode that lasts for many years and is characterized in that the infusion is carried out by utilizing the pressure difference formed by the height difference between the liquid medicine and the injection part of a human body, the mode is simple but the liquid medicine needs to be hung up, so that the traditional infusion mode is not suitable for occasions without certain height difference or needing to frequently move the position.

Disclosure of Invention

In order to break the puzzlement of traditional infusion mode to the limitation of infusion environment occasion, the utility model designs a can satisfy the exclusive infusion set of non-discrepancy in elevation form of infusion pressure differential condition, the utility model discloses no longer be restricted to the discrepancy in elevation requirement of liquid medicine and infusion position, can use under the condition of being burden on infusion position even, the range of application is wider, is particularly suitable for the emergency rescue under complicated environment such as relief of disaster, battlefield and the bigger state of mobility.

The utility model discloses a realize like this, it comprises gas storage bag, manometer A, formula of relying on oneself balanced valve (hereinafter referred to as balanced valve), manometer B, infusion box, air inlet, check valve, inflator pump, liquid medicine bag, maofei burette, manual control valve (hereinafter referred to as governing valve), filter, syringe needle. The infusion box is a box for storing liquid medicine bags, is rectangular in appearance and consists of a box cover, a perspective window, a sealing strip, a lock catch, an elastic diaphragm, a box body and a hinge; the box body is a double-layer container separated by an elastic diaphragm and made of plastic or carbon fiber composite materials, the bottom layer of the box is a closed diaphragm pressure cavity (hereinafter referred to as a pressure cavity), the pressure cavity is reliably connected with an air inlet interface, and a pressure gauge interface is arranged and connected with a pressure gauge B; the upper part of the elastic diaphragm is an area for placing the liquid medicine bag, and the box wall on one side is provided with an opening for placing the head part of the liquid medicine bag; the elastic diaphragm is made of rubber material; the sealing strip is used for fixing the elastic diaphragm, and the gap is sealed while the position is fixed by adopting a bonding and gluing method; the box cover is flat, a perspective window is arranged in the middle of the box cover, and the box cover is hinged with the box body through a hinge. The air storage bag is made of rubber or rubber fiber composite materials and is connected with an inflator hose, a pressure gauge A is arranged at the airflow output end of the air storage bag and is connected with a one-way valve through a pipeline, the output end of the one-way valve is connected with a balance valve, the balance valve is connected with a pressure cavity of the infusion box through an air inlet interface, and a pressure guide pipe of the balance valve is communicated with the pressure cavity of the infusion box. The liquid medicine bag is arranged in the infusion box and is connected with the Murphy dropper, the regulating valve, the filter and the needle head by the infusion tube.

According to the requirement of safe administration of human body transfusion, the working range of normal transfusion of the balance valve is set, and the pressure of the pressure cavity can be read by the pressure gauge B during transfusion.

Operating procedure and mechanism of action: the liquid medicine bag is connected with a Murphy dropper, an adjusting valve, a filter and a needle head in sequence through a liquid conveying pipe. The outlet of the liquid medicine bag is upward, the liquid medicine bag is extruded, air is discharged outwards along the liquid conveying pipe, and the pipeline is locked by the adjusting valve after the air is discharged completely. Then the liquid medicine bag is put into the infusion box, and the box cover is buckled by a lock catch. The air storage bag is supplied with air by the inflator pump, the air flow enters the pressure cavity of the infusion box through the one-way valve and the balance valve, the pressure cavity begins to swell and oppress the liquid medicine bag outside the pressure cavity along with the increase of the pressure cavity, at the moment, medical staff can prick the needle into the vein of a patient, the regulating valve is released slowly, the pressure of the pressure cavity of the infusion box gradually tends to a set value, when the pressure of the pressure cavity is greater than the set value, under the action of the balance valve, the opening degree of the valve of the balance valve is automatically closed, the pressure of the pressure cavity cannot continuously rise, when the pressure of the pressure cavity is less than the set value, the opening degree of the valve of the balance valve can. The premise that the infusion device works stably and effectively is that the pressure of the pressure gauge A is larger than that of the pressure gauge B, a gas storage bag which can meet the requirement that the device can operate continuously needs to be arranged, and the reasonable time for the gas storage bag to be supplemented by the inflator can be determined according to the reading displayed by the pressure gauge A. The utility model discloses be airtight malleation infusion, so infusion bag needn't set up the muffler, this just reduces a liquid medicine node that probably is contaminated in other words, and when the infusion finishes, the infusion pipeline still is in airtight state, then has effectively stopped the emergence of air embolism accident, even if consequently not in time pull out the syringe needle also not have the big obstacle. The Murphy dropper in the infusion pipeline does not have the function of monitoring the infusion process (the existing infusion equipment with the Murphy dropper is configured, and the existence of the Murphy dropper can be ignored). The utility model discloses the pressure parameter that the infusion progress corresponds can be prepared by the simulation infusion state, then convert the pressure that manometer B shows into corresponding infusion progress during practical application can, the perspective window direct observation that the infusion box set up can be followed to the liquid level in the infusion process.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of the present invention.

FIG. 2 is a schematic view of the transfusion box of the present invention.

FIG. 3 is a view showing the shape of the transfusion box of the present invention.

Fig. 4 is a cross-sectional view of fig. 3.

FIG. 5 is a cross-sectional view of a bag of medical fluid placed within a cassette.

In the figure 1, an air storage bag; 2. a pressure gauge A; 3. a balancing valve; 4. a pressure gauge B; 4', a pressure gauge interface; 5. an infusion box; 5.1, a box cover; 5.2, a perspective window; 5.3, sealing strips; 5.4, locking; 5.5, an elastic diaphragm; 5.6, a box body; 5.7, a hinge; 6. an air inlet interface; 7. a one-way valve; 8. an inflator; 01. A liquid medicine bag; 02. a Murphy dropper; 03. adjusting a valve; 04. a filter; 05. a needle head; p, pressure chamber, N, cross section.

Detailed Description

The utility model consists of an air storage bag (1), a pressure gauge A (2), a balance valve (3), a pressure gauge B (4), a transfusion box (5), an air inlet interface (6), a one-way valve (7), an inflator (8), a liquid medicine bag (01), a Murphy dropper (02), a regulating valve (03), a filter (04) and a needle head (05). The infusion box (5) is a box for storing a liquid medicine bag (01), is rectangular in appearance and consists of a box cover (5.1), a perspective window (5.2), a sealing strip (5.3), a lock catch (5.4), an elastic diaphragm (5.5), a box body (5.6) and a hinge (5.7); the box body (5.6) is a double-layer container separated by an elastic diaphragm (5.5), is made of plastic or carbon fiber composite materials, the bottom layer of the box is a closed pressure cavity (P), the pressure cavity (P) is reliably connected with the air inlet interface (6), and is provided with a pressure gauge interface (4') which is connected with a pressure gauge B (4); an area for placing the liquid medicine bag (01) is arranged above the elastic diaphragm (5.5), and an opening for placing the head of the liquid medicine bag (01) is formed in one side box wall; the elastic diaphragm (5.5) is made of rubber material; the sealing strip (5.3) is used for fixing the elastic diaphragm (5.5), and the gap is sealed while the elastic diaphragm is fixed by adopting a bonding and gluing method; the box cover (5.1) is flat, the middle of the box cover is provided with a perspective window (5.2), and the box cover (5.1) is hinged with the box body (5.6) through a hinge (5.7). Gas storage bag (1) make with rubber materials, reliably be connected with inflator pump (8) gas-supply pipe, manometer A (2) are established to gas storage bag (1) airflow output end, with check valve (7) pipe connection, the output and the balanced valve (3) of check valve (7) are connected, balanced valve (3) are through admitting air interface (6) connection transfusion box pressure chamber (P), the pressure pipe of balanced valve (3) link up with pressure chamber (P) of transfusion box (5). The liquid medicine bag (01) is arranged in the infusion box (5), and the liquid medicine bag (01) is connected with the Murphy dropper (02), the regulating valve (03), the filter (04) and the needle head (05) by an infusion tube.

According to the requirement of safe administration of human body transfusion, the working range of normal transfusion of the balance valve (3) is set, and the pressure of the pressure cavity (P) can be read by the pressure gauge B (4).

Operating procedure and mechanism of action: the liquid medicine bag (01) is sequentially connected with a Murphy dropper (02), an adjusting valve (03), a filter (04) and a needle head (05) through a liquid conveying pipe. The outlet of the liquid medicine bag (01) is upward, the liquid medicine bag (01) is extruded, air is discharged outwards along the infusion tube, and the pipeline is locked by the adjusting valve (03) after the air is exhausted. Then the liquid medicine bag (01) is put into the transfusion box (5), and the box cover (5.1) is buckled by a lock catch (5.4). The air storage bag (1) is supplied with air by an inflator (8), the air flow enters a pressure cavity (P) of the infusion box (5) through a one-way valve (7), a balance valve (3) and an air inlet interface (6), the pressure cavity (P) begins to swell and presses a liquid medicine bag (01) on the outer side of the pressure cavity (P) along with the increase of the pressure cavity (P), at the moment, medical personnel can prick a needle (05) into the vein of a patient and slowly release a regulating valve (03), the pressure of the pressure cavity (P) of the infusion box (5) gradually tends to a set value, when the pressure of the pressure cavity (P) is more than the set value, under the action of the balance valve (3), the opening degree of the valve of the balance valve (3) is automatically reduced, the pressure of the pressure cavity (P) can not continuously rise, when the pressure of the pressure cavity (P) is smaller than the set value, the opening degree of the valve of the balance valve (3) is automatically increased, thereby ensuring the relative stability of the transfusion pressure of the pressure cavity (P). The premise that the infusion device works stably and effectively is that the pressure of the pressure gauge A (2) is necessarily larger than that of the pressure gauge B (4), so that the air storage bag (1) which can continuously run needs to be provided, and the reasonable time for the air storage bag (1) to be supplemented by the inflator (8) can be determined according to the reading displayed by the pressure gauge A (2). The utility model discloses be airtight malleation infusion, event infusion bag (01) need not set up the muffler, and this has just reduced the probably contaminated node of a liquid medicine in other words, and when the infusion finishes, the infusion pipeline still is in airtight state, has then effectively stopped the emergence of air embolism accident, even if consequently not in time pull out syringe needle (05) also do not have a big obstacle. The Murphy dropper (02) in the infusion pipeline does not have the function of monitoring the infusion process. The utility model discloses the pressure parameter that the infusion progress corresponds can be prepared by the simulation infusion state, then convert the pressure that manometer B (4) shows into corresponding infusion progress during practical application can, infusion in-process liquid medicine stock can follow perspective window (5.2) direct observation that infusion box (5) set up.

Claims

1. A portable infusion device is characterized by comprising an air storage bag, a pressure gauge A, a self-operated balance valve, a pressure gauge B, an infusion box, an air inlet interface, a one-way valve, an inflator pump, a liquid medicine bag, a Murphy dropper, a manual regulating valve, a filter and a needle head; the infusion box is a box for storing liquid medicine bags, is rectangular in appearance and consists of a box cover, a perspective window, a sealing strip, a lock catch, an elastic diaphragm, a box body and a hinge; the box body is a double-layer container separated by an elastic diaphragm, the bottom layer of the box is a closed diaphragm pressure cavity, the diaphragm pressure cavity is reliably connected with an air inlet interface, and the box is also provided with a pressure gauge interface which is connected with a pressure gauge B; the upper part of the elastic diaphragm is an area for placing the liquid medicine bag, and the box wall on one side is provided with an opening for placing the head part of the liquid medicine bag; the box cover is flat, a perspective window is arranged in the middle of the box cover, and the box cover is hinged with the box body through a hinge; the air storage bag is connected with the hose of the inflator pump, a pressure gauge A is arranged at the airflow output end of the air storage bag and is connected with a one-way valve pipeline, the output end of the one-way valve is connected with a self-operated balance valve, the self-operated balance valve is connected with a diaphragm pressure cavity of the infusion box through an air inlet interface, and a pressure guide pipe of the self-operated balance valve is communicated with the diaphragm pressure cavity of the infusion box; the liquid medicine bag is arranged in the infusion box and is connected with the Murphy dropper, the manual regulating valve, the filter and the needle head by the infusion tube.

2. The device of claim 1, wherein the cassette body is made of plastic or carbon fiber composite.

3. The device of claim 1, wherein the flexible membrane is made of a rubber material.

4. The device of claim 1 wherein the reservoir is made of rubber or a rubber fiber composite.