CN215386484U

CN215386484U - Portable infusion bag

Info

Publication number: CN215386484U
Application number: CN202120970584.0U
Authority: CN
Inventors: 杨倩; 郭业勇; 郝新月; 钱招俊; 李伊婷; 赵琼兰
Original assignee: University of South China
Current assignee: University of South China
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-04
Anticipated expiration: 2031-05-08

Abstract

The portable infusion bag comprises a bag body, an infusion set and an extrusion peristaltic pump; the bag body comprises a hard frame, a flexible outer layer wrapped outside the hard frame and a connecting belt arranged on one side wall surface of the flexible outer layer; the hard frame divides the interior of the bag body into a bottle bag accommodating cavity and an element accommodating cavity; the element accommodating cavity is positioned right below the bottle bag accommodating cavity, and the infusion set comprises a liquid medicine container and a Murphy dropper; the extrusion type peristaltic pump is arranged on the hard frame, is positioned in the element accommodating cavity and is in winding connection with the Murphy's dropper, and liquid medicine in the Murphy's dropper moves from the front end to the rear end of the Murphy's dropper under the driving of the extrusion type peristaltic pump. The utility model is applied to the transfusion patient and can meet the requirement that the patient walks or goes to the toilet by oneself during the transfusion.

Description

Portable infusion bag

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a convenient and portable infusion bag.

Background

The existing medical transfusion generally uses a fixed transfusion stand, and the position is relatively fixed, so that the transfusion stand has limitations. On one hand, if a patient needs to go to the toilet in the middle of transfusion, the patient needs to carry the whole transfusion frame to move together, or the transfusion bag is taken down from the transfusion frame by other people, and the patient is lifted to enter the toilet along with the patient, and the patient needs to lift the transfusion bag constantly in the toilet process to avoid blood backflow, which is very inconvenient. On the other hand, if the patient is a child, the fixed infusion support can limit the child from freely moving, so that the child is fussy and easy to cry, two parents are usually required to take care of the child, one parent holds the child to move, the other parent is responsible for carrying the infusion support or lifting the infusion bag, and great inconvenience is brought to the sick child and the parents due to the experience.

Based on the defects of the fixed infusion support, researchers have invented a disc-shaped multifunctional back-carrying type movable infusion support for children, the infusion support is bound on the back of a patient, a C-shaped hook for hooking an infusion bag is arranged at the upper end of the infusion support, and the infusion support and the infusion bag are carried to move together when the patient walks. The back-carried infusion support can help the infant to move to a certain degree, but has the following disadvantages in practical use: 1. when the infant walks, the C-shaped hook at the upper end of the infusion support is easy to hook foreign matters or hurt patients in a ward. 2. After the telescopic rod of the infusion support is used for a long time, the joint is easy to loosen, and the risk of slipping of the infusion bag exists.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a portable infusion bag, which solves the problem of poor use reliability of the existing back-carrying type movable infusion support.

The technical scheme of the utility model is as follows: the portable infusion bag comprises a bag body, an infusion set and an extrusion peristaltic pump;

the bag body comprises a hard frame, a flexible outer layer wrapped outside the hard frame and a connecting belt arranged on the rear side wall surface of the flexible outer layer; a bottle bag accommodating cavity and an element accommodating cavity are formed in the hard frame; the element accommodating cavity is positioned right below the bottle bag accommodating cavity, and a fixing component for fixing a liquid medicine container is arranged in the bottle bag accommodating cavity; the hard frame is provided with a pipe penetrating hole A and a pipe penetrating hole B which are opposite up and down, the pipe penetrating hole A is used for communicating the bottle bag containing cavity with the element containing cavity, and the pipe penetrating hole A is used for communicating the element containing cavity with the outside; the flexible outer layer is provided with an operation port A communicated to the bottle bag containing cavity and an operation port B communicated to the element containing cavity on the front side wall surface;

the transfusion kit comprises a liquid medicine container and a Murphy dropper; the liquid medicine container is fixedly arranged in the bottle bag containing cavity through the fixing component, the front end of the Murphy dropper is connected with the liquid medicine container, and the rear end of the Murphy dropper sequentially penetrates through the tube penetrating hole A, the element containing cavity and the tube penetrating hole B to extend out of the outside;

the extrusion type peristaltic pump is arranged on the hard frame, is positioned in the element accommodating cavity and is connected with the Murphy's dropper, and liquid medicine in the Murphy's dropper moves from the front end to the rear end of the Murphy's dropper under the driving of the extrusion type peristaltic pump.

The further technical scheme of the utility model is as follows: a spare part placing cavity and a power supply placing cavity are also arranged in the hard frame; the spare part placing cavity is horizontally adjacent to the bottle bag containing cavity, the power supply placing cavity is horizontally adjacent to the element containing cavity, and the power supply placing cavity is positioned right below the spare part placing cavity; the flexible outer layer is provided with an operation port C and an operation port D on the front side wall surface, the operation port D is communicated to the power supply placing cavity, the operation port C is communicated to the spare part placing cavity, the flexible outer layer is provided with a side opening A and a side opening B on the side wall surface between the front side wall surface and the rear wall surface, and the side opening A and the side opening B are communicated to the power supply placing cavity; the portable infusion bag also comprises a voltage stabilizing and regulating module and a power supply; the voltage stabilizing and regulating module is provided with a voltage regulating knob, and the power supply is provided with a charging port; the voltage stabilizing and regulating module and the power supply are fixedly arranged in the power supply placing cavity, a voltage regulating knob of the voltage stabilizing and regulating module is opposite to the side opening B, and a charging port of the power supply is opposite to the side opening A; the power supply is electrically connected with the voltage stabilizing and regulating module, and the voltage stabilizing and regulating module is electrically connected with the extrusion type peristaltic pump.

The further technical scheme of the utility model is as follows: the portable infusion bag also comprises an infusion alarm; the infusion alarm is internally provided with a battery, is arranged on the Murphy's dropper, is positioned outside the bag body, and is used for monitoring the infusion state and providing sound alarm when the infusion is stopped.

The further technical scheme of the utility model is as follows: the flexible outer layer is respectively provided with retaining rings at two sides of the upper end and two sides of the lower end of the rear side wall surface, and the four retaining rings are distributed in a rectangular shape; the connecting band is two shoulder braces, and the both ends of shoulder brace are equipped with buckle A and buckle B respectively, and the one end of two shoulder braces is dismantled through buckle A respectively and is connected in two buckles of flexible outer upper end, and the other end of two shoulder braces is dismantled through buckle B respectively and is connected in two buckles of flexible outer lower extreme respectively to, the buckle of lower extreme homonymy is connected on the both ends of every shoulder brace and the body contact surface.

The further technical scheme of the utility model is as follows: the flexible outer layer is respectively provided with retaining rings at two sides of the upper end and two sides of the lower end of the rear side wall surface, and the four retaining rings are distributed in a rectangular shape; the connecting band is a chest and strides the area to one side, and the chest strides both ends of area to one side and is equipped with buckle C and buckle D respectively, and the chest strides both ends of area to one side and passes through buckle C and buckle D detachable connection respectively and be two buckles that the diagonal angle was arranged in two rings.

The further technical scheme of the utility model is as follows: the flexible outer layer is provided with a zipper or a magic tape at the operation opening A so as to realize the opening or closing of the operation opening A; the flexible outer layer is provided with a zipper or a magic tape at the operation opening B so as to realize the opening or closing of the operation opening B; the flexible outer layer is provided with a zipper or a magic tape at the side opening A so as to open or close the side opening A; the flexible outer layer is provided with a zipper or a magic tape at the side opening B so as to open or close the side opening B.

The further technical scheme of the utility model is as follows: the fixing component comprises a hook, a C-shaped elastic clamping seat and a restraint strap; the hook is arranged at the center of the top of the bottle bag containing cavity; the C-shaped elastic clamping seat is arranged in the bottle bag accommodating cavity and on the side wall of one side opposite to the operation opening A, and the opening of the C-shaped elastic clamping seat is opposite to the operation opening A; one end of each of the two restraint belts is connected to the two side walls adjacent to the operation opening A in the bottle bag containing cavity respectively, the end parts of the two restraint belts are provided with a nylon hook belt and a nylon velvet belt respectively, and when the two restraint belts are connected into a whole through the nylon hook belt and the nylon velvet belt, a restraint hole is formed between the two restraint belts.

The further technical scheme of the utility model is as follows: the extrusion type peristaltic pump comprises a motor, a disc, an extrusion column and a pump shell; a crankshaft of the motor is fixedly connected with the center of one side end face of the disc; the three extrusion columns are fixedly connected to the end face of the other side of the disc and are annularly and uniformly distributed around the center of the end face of the other side of the disc; the pump shell is directly or indirectly fixedly connected with the motor, an infusion tube inlet and an infusion tube outlet are arranged on the pump shell, an infusion tube channel is formed between the inner wall of the pump shell and the three extrusion columns, and the infusion tube inlet and the infusion tube outlet are respectively arranged at the two ends of the infusion tube channel.

The further technical scheme of the utility model is as follows: the flexible outer layer is provided with an outer clamping seat for fixing the Murphy dropper on the adjacent side wall surfaces at two sides of the body contact surface.

Compared with the prior art, the utility model has the following advantages:

1. the portable infusion bag is applied to infusion patients, and can meet the requirements of the patients on self walking or self toileting during the infusion. The bag body can be carried on the back or obliquely strides in front of the chest, the infusion bottle or the infusion bag is placed in the bag body, the infusion tube penetrates out of the bag body and is communicated with the blood vessel of the arm part of the patient through the needle head, the liquid medicine is input into the body of the patient under the driving of the extrusion type peristaltic pump, and due to the adoption of the extrusion conveying mode, the problem of blood backflow does not exist, and the infusion bag or the infusion bottle does not need to be hung highly.

2. The fixing requirement of the infusion bottle can be met, and the fixing requirement of the infusion bag can also be met. The infusion bottle can be fixed by the C-shaped elastic clamping seat positioned in the bottle bag containing cavity on one hand, and can be hung with the hook at the top of the bottle bag containing cavity on the other hand. The infusion bag can be hung with the hook at the top of the bottle bag containing cavity on the one hand, and can be fixed through the restriction hole enclosed by the two restriction belts on the other hand.

3. The bag body adopts the hard frame, on one hand, the internal space of the bag body is maintained not to be crushed, the smooth infusion process is ensured, on the other hand, the bag body provides installation support for all the parts, and all the parts in the bag body are prevented from sliding randomly.

4. The bag body is internally provided with functional partitions, and the flexible outer layer of the bag body is provided with openings communicated to the functional partitions, so that on one hand, the installation or replacement of each part is facilitated, and on the other hand, the internal space of the bag body is more fully utilized.

The utility model is further described below with reference to the figures and examples.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a schematic structural diagram of example 2 of the present invention;

FIG. 3 is a schematic illustration of the configuration of the enclosure of example 1 on a body-contacting surface;

FIG. 4 is a schematic view of the structure of the back part on the body contact surface in example 2;

FIG. 5 is a schematic diagram of the internal structure of the bag;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is a cross-sectional view B-B of FIG. 5;

FIG. 8 is a schematic view of the construction of an extruded peristaltic pump;

fig. 9 is a cross-sectional view C-C of fig. 8.

Illustration of the drawings: a hard frame 11; a flexible outer layer 12; an operation port A121; an operation port B122; an operation port C123; an operation port D124; side opening a 125; side opening B126; a retaining ring 127; an outer clamp 128; a connecting band 13; a buckle A131; a fastener B132; a buckle C133; a fastener D134; a pouch receiving chamber 141; a component accommodation chamber 142; a spare part placing chamber 143; a power source placement chamber 144; a pipe penetration hole A151; a pipe penetration hole B152; a hook 181; a C-shaped elastic clamp seat 182; a restraint band 183; a constraint hole 184; a liquid medicine container 21; a murphy dropper 22; an extrusion peristaltic pump 3; a motor 31; a disc 32; the extrusion columns 33; a pump housing 34; an infusion tube inlet 341; an infusion tube outlet 342; an infusion tube channel 35; a voltage stabilizing and regulating module 4; a power supply 5; and an infusion alarm 6.

Detailed Description

Example 1:

as shown in figures 1-9, the portable infusion bag comprises a bag body, an infusion set, an extrusion type peristaltic pump 3, a voltage-stabilizing and regulating module 4 and a power supply 5.

The bag body comprises a hard frame 11, a flexible outer layer 12 wrapped outside the hard frame 11 and a connecting belt 13 arranged on the rear side wall surface of the flexible outer layer 12.

The hard frame 11 divides the bag body into a bag accommodating chamber 141, a component accommodating chamber 142, a spare part accommodating chamber 143, and a power supply accommodating chamber 144. The component accommodating cavity 142 is located right below the bottle bag accommodating cavity 141, the power supply accommodating cavity 144 is horizontally adjacent to the component accommodating cavity 142, the power supply accommodating cavity 144 is located right below the spare part accommodating cavity 143, and a fixing component for fixing the liquid medicine container 21 is arranged in the bottle bag accommodating cavity 141. The hard frame 11 is provided with a tube through hole a151 and a tube through hole B152 which are opposite up and down, the tube through hole a151 communicates the bottle bag accommodating cavity 141 with the element accommodating cavity 142, and the tube through hole a151 communicates the element accommodating cavity 142 with the outside.

The flexible outer layer 12 is provided with an operation port a121 communicating with the bottle bag accommodating chamber 141, an operation port B122 communicating with the element accommodating chamber 142, an operation port C123 communicating with the spare part accommodating chamber 143, and an operation port D124 communicating with the power supply accommodating chamber 144, on a front side wall surface (the front side wall surface is a side wall surface opposite to a wall surface where the connection tape is located). The flexible outer layer 12 is provided with a side opening a125 and a side opening B126 on the side wall surface between the front side wall surface and the rear side wall surface, and both the side opening a125 and the side opening B126 are communicated to the power source placement chamber 144.

The infusion set comprises a liquid medicine container 21 and a Murphy's dropper 22. The liquid medicine container 21 is an infusion bottle or an infusion bag, and the liquid medicine container 21 is fixedly installed in the bottle bag accommodating cavity 141 through a fixing component. The murphy dropper 22 has a front end connected to the chemical liquid container 21 and a rear end extending to the outside through the tube insertion hole a151, the element accommodating chamber 142, and the tube insertion hole B152 in this order.

The squeezing type peristaltic pump 3 is mounted on the hard frame 11, is positioned in the element accommodating cavity 142, and is connected with the Murphy's dropper 22, and the liquid medicine in the Murphy's dropper 22 moves from the front end to the rear end of the Murphy's dropper 22 under the driving of the squeezing type peristaltic pump 3. The squeeze peristaltic pump 3 includes a motor 31, a disc 32, a squeeze column 33, and a pump housing 34. The crankshaft of the motor 31 is fixedly connected with the center of one side end face of the disc 32 so as to drive the disc 32 to rotate. The three extrusion columns 33 are cylindrical, and are fixedly connected to the end face of the other side of the disc 32 and are annularly and uniformly distributed around the center of the end face of the other side of the disc 32. The pump shell 34 is fixedly connected with the motor 31, an infusion tube inlet 341 and an infusion tube outlet 342 are arranged on the pump shell, an infusion tube channel 35 is formed between the inner wall of the infusion tube channel and the three extrusion columns 33, an infusion tube inlet 351 and an infusion tube outlet 352 are respectively arranged at two ends of the infusion tube channel 35, the Murphy dropper 22 is installed in the infusion tube channel 35, and two ends of the Murphy dropper respectively extend out from the infusion tube inlet 351 and the infusion tube outlet 352.

The voltage stabilizing and regulating module 4 is provided with a voltage regulating knob 41, and the power supply 5 is provided with a charging port (not shown in the figure). The voltage stabilizing and regulating module 4 and the power supply 5 are fixedly arranged in the power supply placing cavity 144, the voltage regulating knob 41 of the voltage stabilizing and regulating module 4 is just opposite to the side opening B126, the voltage regulating knob 41 is twisted through the side opening B126, the rotating speed of the motor 31 of the extrusion type peristaltic pump 3 can be changed, and then the effect of regulating the infusion speed is achieved. The charging port of the power supply 6 faces the side opening a125, and the charger interface is connected with the charging port of the power supply through the side opening a125, so that the effect of charging the power supply is achieved. The power supply 5 is electrically connected with the voltage stabilizing and regulating module 4, and the voltage stabilizing and regulating module 4 is electrically connected with the extrusion type peristaltic pump 3.

Preferably, the portable infusion bag also comprises an infusion alarm 6, the infusion alarm 6 is internally provided with a battery, is arranged on the Murphy's dropper 22 and is positioned outside the bag body, and is used for monitoring the infusion state and providing an audible alarm when the infusion is stopped.

Preferably, the flexible outer layer 12 is provided with two retaining rings 127 at two sides of the upper end and two sides of the lower end of the rear side wall surface (the rear side wall surface is a side wall surface where the connecting belt is located), respectively, for abutting against the connecting belt 13, and the four retaining rings 127 are distributed in a rectangular shape.

Preferably, the flexible outer layer 12 is provided with a zipper (not shown) or a magic tape at the operation opening a121 to open or close the operation opening a 121; the flexible outer layer 12 is provided with a zipper (not shown) or a magic tape at the operation opening B122 to open or close the operation opening B122; the flexible outer layer 12 is provided with a zipper (not shown) or a magic tape at the side opening a123 to open or close the side opening a 123; the flexible outer layer 12 is provided with a zipper (not shown) or a hook and loop fastener at the side opening B124 to open or close the side opening B124.

Preferably, the fixing assembly includes a hook 181, a C-shaped elastic clamp 182 and a restraint band 183. The hook 181 is provided at the center of the top of the pouch receiving chamber 141. The C-shaped elastic clamping seat 182 is arranged in the bottle and bag accommodating cavity 141 and on a side wall opposite to the operation opening a121, and an opening of the C-shaped elastic clamping seat 182 faces the operation opening a 121. One end of each of the two constraining belts 183 is connected to the two side walls of the bottle bag accommodating cavity 141 adjacent to the operation opening a121, the end portions of the two constraining belts 183 are respectively provided with a nylon hook belt and a nylon velvet belt, and when the two constraining belts 183 are connected into a whole through the nylon hook belt and the nylon velvet belt, a constraining hole 184 is formed between the two constraining belts.

Preferably, the flexible outer layer 12 is provided with an outer bayonet 128 for securing the murphy dropper 22 on adjacent side walls on either side of the body contact surface 121.

In this embodiment, the connecting band 13 is two shoulder straps, the user can carry the bag back on the back through the two shoulder straps, two ends of the shoulder straps are respectively provided with a buckle a131 and a buckle B132, one end of the two shoulder straps is detachably connected to the two buckles 127 at the upper end of the flexible outer layer 12 through the buckle a131, the other end of the two shoulder straps is detachably connected to the two buckles 127 at the lower end of the flexible outer layer 12 through the buckle B132, and the two ends of each shoulder strap are connected to the buckles 127 at the same side of the upper end and the lower end of the body contact surface 121.

Example 2:

this example differs from example 1 only in that: the connecting belt 13 is a chest inclined spanning belt, a user wears the bag body in front of the chest through the chest inclined spanning belt, two ends of the chest inclined spanning belt are respectively provided with a buckle C133 and a buckle D134, and two ends of the chest inclined spanning belt are respectively detachably connected in two buckling rings 127 which are diagonally arranged through the buckles C133 and D134.

Briefly describing the use of the utility model: the portable infusion bag is applied to infusion patients, and can meet the requirements of the patients on self walking or self toileting during the infusion. When a patient needs to infuse, the bag body is carried on the back (see fig. 1 and 3) or obliquely strides in front of the chest (see fig. 2 and 4), a liquid medicine container 21 (an infusion bottle or an infusion bag) is placed in the bottle bag accommodating cavity 141 through the operation opening A121, the front end of the Murphy dropper 22 is connected with the lower end of the liquid medicine container 21, the rear end of the Murphy dropper 22 sequentially penetrates through the tube penetrating hole A151, the infusion tube channel 35 inside the extrusion type peristaltic pump 3 and the tube penetrating hole B152 and extends out of the outside (if the Murphy dropper 22 is too long in the outside, the part of the Murphy dropper 22 in the outside can be clamped into the outer clamping seat 128 in order to avoid winding or hooking foreign objects), and the rear end of the Murphy dropper 22 is communicated with a blood vessel at the arm part of the patient through a needle.

After the motor 31 of the extrusion type peristaltic pump 3 is started, the liquid medicine is input into the body of the patient under the driving of the extrusion type peristaltic pump 3, and due to the adoption of an extrusion conveying mode, the problem of blood backflow does not exist, and an infusion bag or an infusion bottle does not need to be hung highly.

Claims

1. Portable infusion package, characterized by: comprises a bag body, an infusion set and an extrusion peristaltic pump;

2. The portable infusion bag of claim 1 further characterized by: a spare part placing cavity and a power supply placing cavity are also arranged in the hard frame; the spare part placing cavity is horizontally adjacent to the bottle bag containing cavity, the power supply placing cavity is horizontally adjacent to the element containing cavity, and the power supply placing cavity is positioned right below the spare part placing cavity; the flexible outer layer is provided with an operation port C and an operation port D on the front side wall surface, the operation port D is communicated to the power supply placing cavity, the operation port C is communicated to the spare part placing cavity, the flexible outer layer is provided with a side opening A and a side opening B on the side wall surface between the front side wall surface and the rear wall surface, and the side opening A and the side opening B are communicated to the power supply placing cavity; the portable infusion bag also comprises a voltage stabilizing and regulating module and a power supply; the voltage stabilizing and regulating module is provided with a voltage regulating knob, and the power supply is provided with a charging port; the voltage stabilizing and regulating module and the power supply are fixedly arranged in the power supply placing cavity, a voltage regulating knob of the voltage stabilizing and regulating module is opposite to the side opening B, and a charging port of the power supply is opposite to the side opening A; the power supply is electrically connected with the voltage stabilizing and regulating module, and the voltage stabilizing and regulating module is electrically connected with the extrusion type peristaltic pump.

3. The portable infusion bag of claim 2 wherein: the portable infusion bag also comprises an infusion alarm; the infusion alarm is internally provided with a battery, is arranged on the Murphy's dropper, is positioned outside the bag body, and is used for monitoring the infusion state and providing sound alarm when the infusion is stopped.

4. The portable infusion bag of claim 3 wherein: the flexible outer layer is respectively provided with retaining rings at two sides of the upper end and two sides of the lower end of the rear side wall surface, and the four retaining rings are distributed in a rectangular shape; the connecting band is two shoulder braces, and the both ends of shoulder brace are equipped with buckle A and buckle B respectively, and the one end of two shoulder braces is dismantled through buckle A respectively and is connected in two buckles of flexible outer upper end, and the other end of two shoulder braces is dismantled through buckle B respectively and is connected in two buckles of flexible outer lower extreme respectively to, the buckle of lower extreme homonymy is connected on the both ends of every shoulder brace and the body contact surface.

5. The portable infusion bag of claim 3 wherein: the flexible outer layer is respectively provided with retaining rings at two sides of the upper end and two sides of the lower end of the rear side wall surface, and the four retaining rings are distributed in a rectangular shape; the connecting band is a chest and strides the area to one side, and the chest strides both ends of area to one side and is equipped with buckle C and buckle D respectively, and the chest strides both ends of area to one side and passes through buckle C and buckle D detachable connection respectively and be two buckles that the diagonal angle was arranged in two rings.

6. The portable infusion bag of claim 4 or 5, wherein: the flexible outer layer is provided with a zipper or a magic tape at the operation opening A so as to realize the opening or closing of the operation opening A; the flexible outer layer is provided with a zipper or a magic tape at the operation opening B so as to realize the opening or closing of the operation opening B; the flexible outer layer is provided with a zipper or a magic tape at the side opening A so as to open or close the side opening A; the flexible outer layer is provided with a zipper or a magic tape at the side opening B so as to open or close the side opening B.

7. The portable infusion bag of claim 6 wherein: the fixing component comprises a hook, a C-shaped elastic clamping seat and a restraint strap; the hook is arranged at the center of the top of the bottle bag containing cavity; the C-shaped elastic clamping seat is arranged in the bottle bag accommodating cavity and on the side wall of one side opposite to the operation opening A, and the opening of the C-shaped elastic clamping seat is opposite to the operation opening A; one end of each of the two restraint belts is connected to the two side walls adjacent to the operation opening A in the bottle bag containing cavity respectively, the end parts of the two restraint belts are provided with a nylon hook belt and a nylon velvet belt respectively, and when the two restraint belts are connected into a whole through the nylon hook belt and the nylon velvet belt, a restraint hole is formed between the two restraint belts.

8. The portable infusion bag of claim 6 wherein: the extrusion type peristaltic pump comprises a motor, a disc, an extrusion column and a pump shell; a crankshaft of the motor is fixedly connected with the center of one side end face of the disc; the three extrusion columns are fixedly connected to the end face of the other side of the disc and are annularly and uniformly distributed around the center of the end face of the other side of the disc; the pump shell is directly or indirectly fixedly connected with the motor, an infusion tube inlet and an infusion tube outlet are arranged on the pump shell, an infusion tube channel is formed between the inner wall of the pump shell and the three extrusion columns, and the infusion tube inlet and the infusion tube outlet are respectively arranged at the two ends of the infusion tube channel.

9. The portable infusion bag of claim 8 wherein: the flexible outer layer is provided with an outer clamping seat for fixing the Murphy dropper on the adjacent side wall surfaces at two sides of the body contact surface.