Portable infusion apparatus

By designing a portable infusion device and using the pressurized chamber and pressurized airbag structure, the problem of existing infusion pumps restricting patients' activities is solved, and the patients' free movement during infusion treatment is achieved.

CN222788265UActive Publication Date: 2025-04-25BEIJING CHAOYANG HOSPITAL CAPITAL MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202421570794.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-04-25
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The existing infusion pump that needs to be plugged in limits the patient's range of movement, causing trouble for the patient's life and activities.

Method used

A portable infusion device is designed, including an arm bag, a gas pipe and an infusion tube, and adopts a pressurized chamber and a pressurized airbag structure, which can achieve slow infusion of the drug liquid without relying on power.

Benefits of technology

Through a portable infusion device, patients can move freely while receiving infusion treatment, reducing the limit on their range of motion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a portable infusion apparatus which comprises a portable infusion apparatus body composed of an arm bag, an air delivery pipe and an infusion pipe, and the arm bag is provided with the air delivery pipe, a first zipper, a second zipper, a shielding piece, a first adhesive layer, a bandage, a fixing ring and a connecting band. The arm bag is internally provided with a pressurizing cavity I for containing 250ml of liquid medicine at most, a pressurizing cavity II for containing 100ml of liquid medicine at most and a containing groove for containing an inflatable balloon, a pressurizing air bag I is arranged in the pressurizing cavity I, a pressurizing air bag II is arranged in the pressurizing cavity II, the pressurizing air bag I and the pressurizing air bag II are both communicated with an air delivery pipe, and the air delivery pipe is communicated with the arm bag. The air delivery pipe is connected with an inflation balloon, the infusion tube is provided with a drip cup, a needle seat, a flow regulator and a connector, the needle seat is provided with a second through hole, and the second through hole is connected with a fastener arranged on the connecting belt in a matched mode. By means of the infusion bag, infusion liquid medicine can be carried conveniently, and a patient can move freely when receiving infusion treatment.
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Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a portable infusion set. Background Art

[0002] Clinically, many patients need long-term slow infusion of various intravenous drugs, and have precise requirements for the speed, ranging from 5ml-100ml per hour. For example, many chemotherapy drugs in the hematology department need to be infused for more than 20 hours. Clinically, plug-in infusion pumps are generally used. The connected infusion device makes the patient's range of movement very, very small. This is like being tied up for patients who demand quality of life, causing great trouble to the patient's life and activities. Utility Model Content

[0003] In view of the above problems, the purpose of the present utility model is to provide a portable infusion set to solve the problems raised in the above background technology.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: a portable infusion device, comprising a portable infusion device body consisting of an arm bag, an air pipe and an infusion pipe, the arm bag is provided with an air pipe, a zipper 1, a zipper 2, a shielding sheet, an adhesive layer 1, a strap, a fixing ring and a connecting belt, the arm bag is provided with a pressurized chamber 1 which can accommodate a maximum of 250 ml of liquid medicine, a pressurized chamber 2 which can accommodate a maximum of 100 ml of liquid medicine and a storage slot for storing an inflated balloon, and a through hole is provided at the bottom of the arm bag 1. A pressurized airbag 1 is arranged in the pressurized chamber 1, and a pressurized airbag 2 is arranged in the pressurized chamber 2. Both the pressurized airbag 1 and the pressurized airbag 2 are connected to the air pipe, the air pipe is connected to the inflatable airbag, the air pipe is provided with an air stop clamp and a pressure gauge, the length of the infusion tube is 30 cm, the infusion tube is provided with a drip pot, a needle seat, a flow regulator and a joint, and the needle seat is provided with a puncture needle and a through hole 2, the through hole 2 is matched with the fastener provided on the connecting belt.

[0005] The beneficial effect of the utility model is that the infusion liquid can be easily carried through the utility model, which can help patients to move freely when receiving infusion treatment.

[0006] In order to facilitate the opening and closing of pressurized chamber 1 and pressurized chamber 2:

[0007] As a further improvement of the above technical solution: the zipper 1 is located on the arm bag at the top opening of the pressurized chamber 1, and the zipper 2 is located on the arm bag at the top opening of the pressurized chamber 2.

[0008] The beneficial effect of this improvement is that by setting up the zipper one and the zipper two, the opening and closing operations of the pressurizing chamber one and the pressurizing chamber two can be facilitated.

[0009] To facilitate opening and closing of the top opening of the storage slot:

[0010] As a further improvement of the above technical solution: the storage groove is located at one side of the front end of the arm bag, and is opened side by side with the pressurizing chamber 2, and the shielding sheet is located at the top opening of the storage groove, and its rear end is connected to the arm bag, and a Velcro 1 is provided near the edge of its front end, and the Velcro 1 is bonded to an adhesive layer 1 provided on the outer wall of the arm bag at the front end of the storage groove.

[0011] The beneficial effect of the present improvement is that after being bonded and connected by Velcro 1 and adhesive layer 1, the movable end of the shielding piece can be fixed in position so that the shielding piece can shield the top opening of the storage slot to prevent the stored inflated balloon from falling out; when Velcro 1 and adhesive layer 1 are separated, the top opening of the storage slot can be opened to facilitate the taking and placing of the inflated balloon.

[0012] To facilitate the fixation of the arm bag on the patient's arm, thereby increasing the convenience of movement during infusion:

[0013] As a further improvement of the above technical solution: the number of the straps is two, and the two straps are horizontally arranged at the upper end and the lower end of one side of the arm bag respectively, and the number of the fixing rings is two, and the two fixing rings are arranged at the upper end and the lower end of the other side of the arm bag relative to the straps, and the straps have elastic force, and the outer ends of the straps are provided with Velcro 2 and adhesive layer 2, wherein the Velcro 2 and adhesive layer 2 arranged at the edge of the strap are adhesively connected.

[0014] The beneficial effect of this improvement is that when the arm bag is located on the patient's arm on the opposite side of the infusion, it is only necessary to use a strap to wrap around the patient's arm, and then pass the movable end of the strap through the fixed ring and tighten it, so that the Velcro 2 sticks to the adhesive layer 2 at an appropriate distance, and the position of the arm bag on the patient's arm can be fixed.

[0015] In order to facilitate gas transportation and close the unused gas transmission channels:

[0016] As a further improvement of the above technical solution: the shape of the air supply pipe is Y-shaped, and the two branches of the air supply pipe both pass through the arm bag and are respectively connected to pressurized airbag one and pressurized airbag two, and the number of air-stop clamps is two, and the two air-stop clamps are respectively mounted on the outer ends of the two branches of the air supply pipe, and the other end of the air supply pipe away from the arm bag is connected to the inflatable balloon.

[0017] The beneficial effect of this improvement is that by pressing the inflatable balloon, gas can be filled and released into the pressurized airbag 1 and the pressurized airbag 2 through the air supply pipe, so that the pressurized airbag 1 and the pressurized airbag 2 can pressurize the infusion bag located in the pressurized chamber 1 and the pressurized chamber 2 when expanded, and the establishment of the air stop clamp can clamp the air supply passage for supplying gas to another pressurized airbag according to the pressurized airbag currently used.

[0018] To facilitate the penetration of the infusion bag head:

[0019] As a further improvement of the above technical solution: the number of the through holes 1 is two, and the two through holes 1 are respectively located in the middle of the bottom end of the pressurizing chamber 1 and the middle of the bottom end of the pressurizing chamber 2.

[0020] The beneficial effect of this improvement is that, by setting up the through hole 1, after the infusion bag is placed in the pressurized cavity, the head end of the infusion bag can pass through the through hole 1 downward to the outside, so as to facilitate puncture by the puncture needle.

[0021] To prevent the tube from falling off:

[0022] As a further improvement of the above technical solution: connecting belts are provided on both sides of the bottom end of the arm bag, and Japanese-shaped adjustment rings are provided on the connecting belts on both sides, and fasteners are provided on the other ends of the connecting belts on both sides away from the arm bag, and the two fasteners are respectively matched and connected with two through holes opened on both sides of the needle seat.

[0023] The beneficial effect of this improvement is that when the puncture needle on the needle holder penetrates the head end of the infusion bag for infusion treatment, it is only necessary to use the Japanese-shaped adjustment ring to adjust the length of the connecting belts on both sides, and then hang the fasteners through the two through holes on both sides of the needle holder, which can prevent the infusion tube from falling off when it is pulled.

[0024] To facilitate infusion therapy:

[0025] As a further improvement of the above technical solution: the needle seat and the connector are respectively located at both ends of the infusion tube, and the puncture needle used to puncture the head end of the infusion bag is arranged at the middle position of the other end of the needle seat away from the infusion tube.

[0026] The beneficial effect of this improvement is that after being connected to the indwelling needle through the connector, the puncture needle is used to penetrate the head end of the infusion bag, so that the patient can be given infusion treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 This is a schematic diagram of the disassembly structure of the infusion tube of the utility model;

[0029] Figure 3 This is a schematic diagram of the internal structure of the arm bag side end of the utility model;

[0030] Figure 4 This is a schematic diagram of the structure of the infusion tube of the utility model;

[0031] Figure 5 This is a schematic diagram of the connection structure between the needle seat and the connecting belt of the utility model;

[0032] In the figure: 1. arm bag; 2. air pipe; 3. infusion tube; 4. zipper one; 5. zipper two; 6. shielding sheet; 7. adhesive layer one; 8. strap; 9. fixing ring; 10. pressurized chamber one; 11. pressurized chamber two; 12. storage slot; 13. through hole one; 14. pressurized airbag one; 15. pressurized airbag two; 16. inflatable airbag; 17. air stop clip; 18. pressure gauge; 19. Velcro one; 20. adhesive layer two; 21. drip pot; 22. needle seat; 23. flow regulator; 24. connector; 25. puncture needle; 26. through hole two; 27. connecting belt; 28. fastener; 29. ​​Japanese-shaped adjustment ring; 30. Velcro two. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0034] like Figure 1-5As shown, a portable infusion device includes a portable infusion device body consisting of an arm bag 1, an air pipe 2 and an infusion pipe 3, the arm bag 1 is provided with an air pipe 2, a zipper 4, a zipper 5, a shielding sheet 6, an adhesive layer 7, a strap 8, a fixing ring 9 and a connecting belt 27, the arm bag 1 is provided with a pressurized chamber 10 with a maximum capacity of 250 ml of liquid medicine, a pressurized chamber 11 with a maximum capacity of 100 ml of liquid medicine and a storage groove 12 for storing an inflatable balloon 16, a through hole 13 is provided at the bottom end of the arm bag 1, a pressurized air bag 14 is provided in the pressurized chamber 10, and a pressurized air bag 2 15 is provided in the pressurized chamber 11, the pressurized air bag 14 and the pressurized air bag 2 15 are both connected to the air pipe 2, and the air pipe 2 is connected to the inflatable balloon 1 6. The air delivery tube 2 is provided with an air stop clamp 17 and a pressure gauge 18. The length of the infusion tube 3 is 30 cm. The infusion tube 3 is provided with a drip pot 21, a needle seat 22, a flow regulator 23 and a joint 24. The needle seat 22 is provided with a puncture needle 25 and a through hole 26. The through hole 26 is matched with a fastener 28 provided on the connecting belt 27. The utility model is convenient for carrying the infusion liquid, which can facilitate the patient to move freely when receiving infusion treatment. The zipper 1 4 is located on the arm bag 1 at the top opening of the pressurized chamber 10, and the zipper 2 5 is located on the arm bag 1 at the top opening of the pressurized chamber 2 11. The establishment of the zipper 1 4 and the zipper 2 5 can facilitate the opening and closing operations of the pressurized chamber 10 and the pressurized chamber 2 11. The storage slot 12 is located at one side of the front end of the arm bag 1 and is opened side by side with the pressurizing chamber 11, and the shielding sheet 6 is located at the top opening of the storage slot 12, and its rear end is connected to the arm bag 1, and a Velcro 19 is provided near the edge of the front end. The Velcro 19 is bonded to the adhesive layer 7 provided on the outer wall of the arm bag 1 at the front end of the storage slot 12. After the Velcro 19 is bonded to the adhesive layer 7, the movable end of the shielding sheet 6 can be fixed in position so that the shielding sheet 6 can block the top opening of the storage slot 12 to prevent the stored inflated balloon 16 from falling out. When the Velcro 19 is separated from the adhesive layer 7, the top opening of the storage slot 12 can be opened to take and place the inflated balloon 16. The number of the straps 8 is two, two The straps 8 are horizontally arranged at the upper end and the lower end of one side of the arm bag 1, respectively, and the number of the fixing rings 9 is two. The two fixing rings 9 are arranged at the upper end and the lower end of the other side of the arm bag 1 relative to the straps 8, and the straps 8 are elastic, and the outer ends of the straps are provided with Velcro 2 30 and adhesive layer 20, wherein the Velcro 2 30 and adhesive layer 20 arranged at the edge of the straps 8 are bonded and connected. When the arm bag 1 is located on the patient's arm on the opposite side of the infusion, it is only necessary to use the straps 8 to surround the patient's arm, and then pass the movable end of the straps 8 through the fixing rings 9 and tighten it, so that the Velcro 2 30 is adhered to the adhesive layer 20 at a suitable distance, and the position fixing operation of the arm bag 1 on the patient's arm can be completed. The shape of the air supply pipe 2 is Y-shaped, and the two branches of the air supply pipe 2 both pass through the arm bag 1.The two air-stopping clips 17 are respectively connected to the pressurized airbag 1 14 and the pressurized airbag 2 15, and the number of the air-stopping clips 17 is two. The two air-stopping clips 17 are respectively sleeved on the outer ends of the two branches of the air supply pipe 2, and the other end of the air supply pipe 2 away from the arm bag 1 is connected with an inflatable balloon 16. By pressing the inflatable balloon 16, gas can be inflated and released into the pressurized airbag 1 14 and the pressurized airbag 2 15 through the air supply pipe 2, so that the pressurized airbag 1 14 and the pressurized airbag 2 15 are inflated and aligned with the pressurized chamber 10 and 15. The infusion bag in the pressurized chamber 11 is pressurized, and the establishment of the air stop clamp 17 can clamp the air supply passage for supplying air to another pressurized air bag according to the currently used pressurized air bag. The number of the through holes 13 is two, and the two through holes 13 are respectively located in the middle of the bottom end of the pressurized chamber 10 and the middle of the bottom end of the pressurized chamber 11. Through the establishment of the through holes 13, it is convenient to put the infusion bag in the pressurized chamber, and the head end of the infusion bag can go down through the through holes 13 located outside. The arm bag 1 is provided with a connecting belt 27 on both sides of the bottom end, and the connecting belts 27 on both sides are sleeved with a Japanese-shaped adjustment ring 29, and the other ends of the connecting belts 27 on both sides away from the arm bag 1 are provided with fasteners 28, and the two fasteners 28 are respectively connected with the through holes 26 opened on both sides of the needle seat 22. When the puncture needle 25 on the needle seat 22 penetrates the head end of the infusion bag for infusion treatment, it is only necessary to use the Japanese-shaped adjustment ring 29 to adjust the connecting belts on both sides. 27, and then fastener 28 is passed through through hole 26 to be hung on both sides of needle seat 22, which can prevent the infusion tube 3 from being pulled and falling off. The needle seat 22 and connector 24 are respectively located at both ends of the infusion tube 3, and the puncture needle 25 used for puncturing the head end of the infusion bag is arranged at the middle position of the other end of the needle seat 22 away from the infusion tube 3. After being connected with the indwelling needle through the connector 24, the puncture needle 25 is used to penetrate the head end of the infusion bag, so that the patient can be treated with infusion.

[0035] The working principle of the utility model is as follows: when the arm bag 1 is located on the arm on the opposite side of the patient's infusion, it is only necessary to use the strap 8 to wrap around the patient's arm, and then pass the movable end of the strap 8 through the fixing ring 9 and tighten it, so that the Velcro 2 30 is adhered to the adhesive layer 20 at a suitable distance, and the position fixing operation of the arm bag 1 on the patient's arm can be completed. When the infusion bag is placed in the corresponding pressurized cavity according to its capacity, the head end of the infusion bag passes through the through hole 13, and the zipper is closed to close the top opening of the pressurized cavity, so that the infusion bag can be prevented from falling out. At the same time, it is also convenient for the puncture needle 25 to puncture the head end of the infusion bag. After being connected to the indwelling needle through the joint 24, the puncture needle 25 is used to penetrate the head end of the infusion bag, that is, the patient can be given infusion treatment. The establishment of the drip pot 21 on the infusion tube 2 can facilitate the viewing of the drip rate. The establishment of the flow regulator 23 on the infusion tube 2 can adjust the drip rate. By the establishment of the inflatable balloon 16, when the inflatable balloon 16 is pressed, the pressure balloon 14 and the pressure balloon 2 15 can be inflated and deflated through the air supply tube 2. The pressure-stopping clip 17 is provided so that the pressure-pressurizing airbag 14 and the pressure-pressurizing airbag 2 15 can pressurize the infusion bag located in the pressure-pressurizing chamber 10 and the pressure-pressurizing chamber 2 11 when they are expanded, and the air-stopping clip 17 can close the air supply passage for supplying air to another pressure-pressurizing airbag according to the pressure-pressurizing airbag currently used, and the pressure gauge 18 can be provided to view the pressure-pressurizing intensity, and the active end of the shielding sheet 6 can be fixed in position after being bonded and connected to the adhesive layer 17 by the Velcro 19, so that the shielding sheet 6 is close to the top opening of the storage groove 12. The opening is blocked to prevent the stored inflated balloon 16 from falling out. When the Velcro 19 is separated from the adhesive layer 7, the top opening of the storage groove 12 can be opened to facilitate the taking and placing of the inflated balloon 16. When the puncture needle 25 on the needle seat 22 penetrates the head end of the infusion bag for infusion treatment, it is only necessary to use the Japanese-shaped adjustment ring 29 to adjust the length of the connecting belts 27 on both sides, and then the fasteners 28 are passed through the through hole 26 and hung on both sides of the needle seat 22, which can prevent the infusion tube 3 from falling off when it is pulled.

[0036] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0037] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A portable infusion set, comprising a portable infusion set body consisting of an arm bag (1), an air delivery tube (2) and an infusion tube (3), wherein the arm bag (1) is provided with an air delivery tube (2), a zipper 1 (4), a zipper 2 (5), a shielding sheet (6), an adhesive layer 1 (7), a binding belt (8), a fixing ring (9) and a connecting belt (27), characterized in that: The arm bag (1) is provided with a pressurizing chamber 1 (10) for accommodating a maximum of 250 ml of liquid medicine, a pressurizing chamber 2 (11) for accommodating a maximum of 100 ml of liquid medicine, and a storage groove (12) for accommodating an inflatable balloon (16). A through hole 1 (13) is provided at the bottom of the arm bag (1). A pressurizing airbag 1 (14) is provided in the pressurizing chamber 1 (10), and a pressurizing airbag 2 (15) is provided in the pressurizing chamber 2 (11). Both the pressurizing airbag 1 (14) and the pressurizing airbag 2 (15) are connected to the air supply pipe (2). The air supply pipe (2) is connected to an inflatable balloon (16), and an air stop clamp (17) and a pressure gauge (18) are provided on the air supply pipe (2). The length of the infusion pipe (3) is 30 cm, and a drip pot (21), a needle seat (22), a flow regulator (23) and a joint (24) are provided on the infusion pipe (3). The needle seat (22) is provided with a puncture needle (25) and a second through hole (26), and the second through hole (26) is matched with a fastener (28) provided on the connecting belt (27).

2. A portable infusion set according to claim 1, characterized in that: The zipper one (4) is located on the arm bag (1) at the top opening of the pressurized chamber one (10), while the zipper two (5) is located on the arm bag (1) at the top opening of the pressurized chamber two (11).

3. A portable infusion set according to claim 1, characterized in that: The storage groove (12) is located at one side of the front end of the arm bag (1) and is arranged side by side with the second pressurizing chamber (11), and the shielding sheet (6) is located at the top opening of the storage groove (12), and its rear end is connected to the arm bag (1), and a Velcro strip (19) is arranged near the edge of its front end, and the Velcro strip (19) is bonded to an adhesive layer (7) arranged on the outer wall of the arm bag (1) at the front end of the storage groove (12).

4. A portable infusion set according to claim 1, characterized in that: The number of the straps (8) is two, and the two straps (8) are respectively arranged horizontally at the upper end and the lower end of one side of the arm bag (1), and the number of the fixing rings (9) is two, and the two fixing rings (9) are arranged at the upper end and the lower end of the other side of the arm bag (1) relative to the straps (8), and the straps (8) have elasticity, and the outer ends of the straps are provided with Velcro 2 (30) and adhesive layer 2 (20), wherein the Velcro 2 (30) and adhesive layer 2 (20) arranged at the edge of the straps (8) are bonded and connected.

5. The portable infusion set according to claim 1, characterized in that: The air supply pipe (2) is Y-shaped, and the two branches of the air supply pipe (2) both penetrate the arm bag (1) and are respectively connected to the pressurized airbag 1 (14) and the pressurized airbag 2 (15), and the number of the air stop clamps (17) is two, and the two air stop clamps (17) are respectively sleeved on the outer ends of the two branches of the air supply pipe (2), and the other end of the air supply pipe (2) away from the arm bag (1) is connected to the inflatable balloon (16).

6. The portable infusion set according to claim 1, characterized in that: The number of the through holes one (13) is two, and the two through holes one (13) are respectively located at the middle of the bottom end of the pressure chamber one (10) and the middle of the bottom end of the pressure chamber two (11).

7. The portable infusion set according to claim 1, characterized in that: The bottom end of the arm bag (1) is provided with connecting belts (27) on both sides, and Japanese-style adjustment rings (29) are sleeved on the connecting belts (27) on both sides, and fasteners (28) are provided on the other ends of the connecting belts (27) away from the arm bag (1), and the two fasteners (28) are respectively connected with two through holes (26) provided on both sides of the needle seat (22).

8. The portable infusion set according to claim 1, characterized in that: The needle seat (22) and the connector (24) are respectively located at the two ends of the infusion tube (3), and the puncture needle (25) used for puncturing the head end of the infusion bag is arranged at the middle position of the other end of the needle seat (22) away from the infusion tube (3).