Heating type portable infusion instrument capable of controlling flow

By incorporating an infrared heating lamp and a capillary tube to regulate the infusion rate into the infusion set, the problem of insufficient temperature and rate regulation of the medication solution in traditional infusion sets has been solved. This enables flexible adjustment of medication solution temperature and infusion rate, improving the treatment effect and comfort of patients.

CN224056377UActive Publication Date: 2026-03-31ZHEJIANG MEDICAL COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Traditional infusion devices lack flexible adjustment of drug solution temperature and infusion rate, leading to patient pain or discomfort and poor treatment results.

Method used

This portable infusion set with controllable flow rate heating uses an infrared heating lamp to control the temperature of the medication solution and a capillary tube to regulate the infusion rate. Combined with a magnetic locking structure and a micro air pump to drive the piston, it achieves precise delivery of the medication solution.

Benefits of technology

To ensure that the medication is kept at the optimal temperature during injection, reduce patient pain and discomfort, improve the flexibility and safety of the infusion process, and enhance treatment effectiveness and patient experience.

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Abstract

The utility model relates to the technical field of infusion instruments, in particular to a heating type portable infusion instrument capable of controlling flow, which comprises a shell, a cavity is arranged in the shell, a turning cover is hinged at the front end of the shell, a locking structure is jointly mounted on the turning cover and the shell, an observation window for observing the liquid level of liquid medicine is mounted in the turning cover, and an infusion groove is arranged at the front end of the shell. Matched binding bands are installed at the upper end and the rear end of the shell, hook-and-loop fasteners for fixing are arranged on the surfaces of the binding bands, a fixing ring band is installed in the cavity, a transparent liquid storage cylinder is installed in the fixing ring band, an infusion tube is arranged at the front end of the liquid storage cylinder and located in the infusion groove, and a capillary tube for controlling the flow speed is installed at one end of the infusion tube. A needle head is arranged at one end of the capillary tube, an extrusion module is installed in the cavity and connected with the liquid storage cylinder, and heating modules for heating liquid medicine are arranged on the inner walls of the upper end and the lower end of the cavity; according to the utility model, the optimal temperature of liquid medicine is ensured, and medical staff can select a proper infusion speed conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to infusion apparatus technical field especially portable infusion apparatus of heating type of flow control. BACKGROUND

[0002] In medical practice, injection as a common administration method has significant importance, which usually includes subcutaneous injection, intramuscular injection and intravenous injection and other forms, aiming at making the drug rapidly enter the human circulatory system, accelerating drug absorption and distribution, and ensuring the realization of treatment effect.

[0003] However, the traditional infusion apparatus usually only has simple liquid storage and delivery function, lacks the regulation of liquid temperature and the flexible adjustment of infusion speed, but the temperature of the liquid has an important influence on the treatment effect and the comfort of the patient, and too low liquid temperature may cause the patient to feel pain or discomfort, in addition, different patients have different requirements for the infusion speed, and the traditional infusion apparatus often cannot provide accurate infusion speed control, which makes it difficult for medical staff to adjust the infusion speed according to the specific situation of the patient, thereby affecting the treatment effect.

[0004] Therefore, in view of the above-mentioned traditional infusion apparatus usually only has simple liquid storage and delivery function, lacks the heating of the liquid and the flexible adjustment of the infusion speed, a portable infusion apparatus of heating type of flow control can be designed, which realizes faster and more efficient heating effect, ensures that the liquid maintains the best temperature during injection, and at the same time, the introduction of capillary flow rate adjustment mode greatly facilitates medical staff to select appropriate infusion speed according to the specific situation of the patient, further improves the treatment effect and patient experience. SUMMARY

[0005] In order to overcome the problem that the traditional infusion apparatus usually only has simple liquid storage and delivery function, lacks the heating of the liquid and the flexible adjustment of the infusion speed.

[0006] The technical scheme of the utility model is: portable infusion apparatus of heating type of flow control, including shell, the cavity is set up in the shell, the front end of shell is hinged with the cover, the cover and shell are jointly installed with locking structure, the cover is installed with the observation window of observing liquid level, the front end of shell is set up with infusion groove, the upper end and the rear end of shell are installed with the compatible bandage, the surface of bandage is provided with magic tape for fixing, the fixed ring band is installed in the cavity, the transparent liquid storage cylinder is installed in the fixed ring band, the front end of liquid storage cylinder is provided with infusion tube and the infusion tube is located in the infusion groove, one end of infusion tube is installed with capillary tube for controlling flow rate, one end of capillary tube is provided with needle, the extrusion module is installed in the cavity, the extrusion module is connected with liquid storage cylinder, the upper end and the lower end of the inner wall of cavity are provided with heating module for heating liquid.

[0007] As preferred, the locking structure comprises an insertion block, the insertion block is fixedly and integrally connected to one end of the cover towards the shell, and an insertion slot adapted to the insertion block is formed in the upper end of the shell, and the insertion block is inserted into the insertion slot.

[0008] As preferred, magnets are arranged in the insertion block and the insertion slot, and the insertion block and the insertion slot are magnetically connected.

[0009] As preferred, the extrusion module comprises a micro air pump, the micro air pump is installed at the bottom of the cavity, a piston for driving the movement of the drug liquid is arranged in the liquid storage cylinder, an air bag is arranged at the end of the piston away from the needle, the air bag is connected to the air outlet of the micro air pump through an air pipe, and the air bag expands to drive the piston to move in the liquid storage cylinder.

[0010] As preferred, one end of the capillary tube is fixedly connected to a first protruding ring, an outer thread is formed in the outer wall of the first protruding ring, an inner thread is formed in the inner wall of the infusion tube, the capillary tube is threadedly connected to the infusion tube, and the number of the capillary tubes is at least five and the colors of the capillary tubes are different.

[0011] As preferred, the heating module comprises two lamp sockets, the lamp sockets are installed in the inner walls of the upper end and the lower end of the cavity, and an infrared heating lamp is installed in each lamp socket.

[0012] As preferred, a cover plate is threadedly connected to the front end of the liquid storage cylinder, a second protruding ring is fixedly connected to one end of the cover plate, an outer thread is formed in the outer wall of the second protruding ring, and an inner thread adapted to the outer thread of the second protruding ring is formed in the inner wall of the liquid storage cylinder.

[0013] Compared with the traditional infusion instrument, the present scheme realizes faster and more efficient heating effect through the uniformly distributed infrared heating lamps, ensures that the drug liquid maintains the best temperature in the injection process, effectively reduces the pain and discomfort of the patient, and at the same time, the introduction of the capillary flow rate adjustment mode not only improves the flexibility and safety of the infusion process, but also greatly facilitates medical staff to select the appropriate infusion speed according to the specific condition of the patient, further improves the treatment effect and patient experience. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The first three-dimensional structure schematic diagram of the heating type portable infusion instrument with controllable flow rate of the utility model is shown;

[0015] Figure 2 The second three-dimensional structure schematic diagram of the heating type portable infusion instrument with controllable flow rate of the utility model is shown;

[0016] Figure 3 The extrusion module three-dimensional structure schematic diagram of the heating type portable infusion instrument with controllable flow rate of the utility model is shown;

[0017] Figure 4The utility model discloses a heating type portable infusion apparatus heating module of controllable flow three -dimensional structure schematic diagram of showing.

[0018] Figure 5 The utility model discloses a heating type portable infusion apparatus capillary three -dimensional structure schematic diagram of showing.

[0019] Mark explanation: 1, shell, 2, cavity, 3, flap, 4, observation window, 5, infusion groove, 6, bandage, 7, fixed ring belt, 8, liquid storage cylinder, 9, infusion tube, 10, capillary, 11, needle, 12, insert block, 13, insert slot, 14, micro air pump, 15, piston, 16, air bag, 17, air pipe, 18, no. 1 convex ring, 19, lamp holder, 20, infrared heating lamp, 21, cover plate, 22, no. 2 convex ring. DETAILED DESCRIPTION

[0020] The utility model will be further explained below in connection with the drawings and examples.

[0021] Please refer to Figures 1-5The utility model provides a kind of embodiment: portable infusion apparatus of adjustable needle head 11 telescopic, including shell 1, cavity 2 is set in shell 1, the front end of shell 1 is hinged with flap 3, locking structure is jointly installed with shell 1 on flap 3, observation window 4 for observing liquid level of liquid medicine is installed in flap 3, infusion groove 5 is set in the front end of shell 1, the upper end and rear end of shell 1 are equipped with the bandage 6 of adaptation, the surface of bandage 6 is provided with the magic tape of fixed use, fixed ring belt 7 is installed in cavity 2, transparent liquid storage cylinder 8 is installed in fixed ring belt 7, infusion tube 9 is arranged in the front end of liquid storage cylinder 8 and infusion tube 9 is located in infusion groove 5, one end of infusion tube 9 is equipped with capillary 10 of controlling flow rate, one end of capillary 10 is provided with needle head 11, extrusion module is installed in cavity 2, extrusion module is connected with liquid storage cylinder 8, the upper end and lower end inner wall of cavity 2 are provided with heating module for heating liquid medicine, shell 1 is the protection structure of entire infusion apparatus, locking structure is used to firmly lock flap 3 in closed position, avoid flap 3 accidental opening, observation window 4 is a transparent area in flap 3, allow user to view the liquid level of liquid medicine in liquid storage cylinder 8 without opening flap 3, bandage 6 is flexible strap installed in the upper end and rear end of shell 1, they provide the ability of fixing infusion apparatus on patient's arm, the surface of bandage 6 is provided with the magic tape of fixed use, this makes them can be easily and firmly wound in required position, fixed ring belt 7 is a ring structure installed in cavity 2, it is used to fix and support transparent liquid storage cylinder 8, liquid storage cylinder 8 is a transparent container, for storing liquid medicine to be injected, infusion tube 9 is arranged in the front end of liquid storage cylinder 8, allow liquid medicine to flow out from cylinder, infusion tube 9 is a flexible pipeline connecting liquid storage cylinder 8 and needle head 11, one end of infusion tube 9 is equipped with capillary 10 of controlling flow rate, for adjusting the flow speed of liquid medicine, to ensure that injection process is smooth and safe, extrusion module is used to exert pressure on liquid medicine in liquid storage cylinder 8, to force liquid medicine to flow out through infusion tube 9, heating module is heating element installed on the upper end and lower end inner wall of cavity 2, for heating liquid medicine to ensure that it maintains proper temperature in injection process, this design helps to alleviate the pain and discomfort of patient.

[0022] Please refer to Figure 1 And Figure 2In the embodiment, the locking structure comprises an insertion block 12, the cover 3 is integrally fixedly connected with the insertion block 12 at one end of the shell 1, the upper end of the shell 1 is provided with an insertion slot 13 matched with the insertion block 12, the insertion block 12 is inserted into the insertion slot 13, and the insertion block 12 and the insertion slot 13 are both provided with matched magnets and are magnetically connected, the insertion block 12 can be easily inserted into the insertion slot 13 at the upper end of the shell 1, so that the cover 3 is locked, the insertion block 12 is embedded with a magnet, the embedding of the magnet enables the insertion block 12 to generate mutual attraction with the magnet in the insertion slot 13, so that the stability and reliability of the locking are enhanced, the magnetic connection mode is not only simple and convenient, but also very reliable, and can effectively prevent the cover 3 from being opened.

[0023] Please refer to Figure 1 , Figure 3 and Figure 5In the embodiment, the extrusion module comprises a micro air pump 14 installed at the bottom of the cavity 2, a piston 15 for driving the movement of the medicine liquid is arranged in the liquid storage cylinder 8, an air bag 16 is arranged at the end of the piston 15 away from the needle 11, the air bag 16 is connected with the air outlet of the micro air pump 14 through an air pipe 17, the air bag 16 is inflated to drive the piston 15 to move in the liquid storage cylinder 8, one end of the capillary tube 10 is fixedly connected with a first protruding ring 18, an outer thread is arranged on the outer wall of the first protruding ring 18, an inner thread is arranged on the inner wall of the infusion tube 9, the capillary tube 10 is threadedly connected with the infusion tube 9, the number of the capillary tubes 10 is at least five and the colors of the capillary tubes 10 are different, the front end of the liquid storage cylinder 8 is threadedly connected with a cover plate 21, one end of the cover plate 21 is fixedly connected with a second protruding ring 22, an outer thread is arranged on the outer wall of the second protruding ring 22, an inner thread adapted to the outer thread of the second protruding ring 22 is arranged on the inner wall of the liquid storage cylinder 8, the micro air pump 14 is the power source of the extrusion module, it can suck external air and compress, and then deliver the compressed air to the air bag 16 through the air pipe 17, the air bag 16 is the bridge connecting the micro air pump 14 and the piston 15, when the micro air pump 14 works, it will deliver the compressed air to the air bag 16 to make the air bag 16 expand, the expansion of the air bag 16 will push the piston 15 to move in the liquid storage cylinder 8, so as to extrude the medicine liquid, in the scheme, the capillary tube 10 is used as the mode of infusion flow rate adjustment, by changing the length of the capillary tube 10, various infusion speeds can be obtained, the capillary tubes 10 of different speeds are distinguished by different colors, the capillary tube 10 is connected with the infusion tube 9 through the thread connection mode, which is convenient for replacement, during infusion, medical staff can select the appropriate capillary tube 10 according to the physical condition of the patient, the disease and the characteristics of the medicine to be infused, if the patient feels uncomfortable during the infusion process, the medical staff can be found to replace the capillary tube 10, the first protruding ring 18 is the component connecting the capillary tube 10 and the infusion tube 9, this design makes the capillary tube 10 be tightly connected with the infusion tube 9 through the thread connection mode, so as to prevent the medicine liquid from leaking during the delivery process, the cover plate 21 is the component for closing the front end of the liquid storage cylinder 8, it is tightly matched with the inner wall of the liquid storage cylinder 8 through the thread connection mode, which is used to prevent the medicine liquid from leaking during the injection process, one end of the cover plate 21 is usually fixedly connected with the second protruding ring 22, the outer wall of the second protruding ring 22 is also provided with an outer thread, so as to be connected with the inner thread of the liquid storage cylinder 8.

[0024] Please refer to Figure 4In the embodiment, the heating module includes two sets of lamp holders 19 mounted on the inner walls of the upper end and the lower end of the cavity 2, and each set of lamp holders 19 is provided with an infrared heating lamp 20. The lamp holder 19 is a basic component of the heating module, which is used for mounting and fixing the infrared heating lamp 20. In this embodiment, the lamp holder 19 has two sets, which are respectively mounted on the inner walls of the upper end and the lower end of the cavity 2. Such a design can ensure that the infrared heating lamp 20 can uniformly irradiate into the liquid storage cylinder 8, thereby achieving more uniform heating effect. The infrared heating lamp 20 has the advantages of fast heating speed, high thermal efficiency, and small energy loss, thereby improving the heating efficiency. When the heating module works, the two sets of infrared heating lamps 20 will light up at the same time and generate strong infrared radiation. These infrared radiations will directly act on the liquid in the liquid storage cylinder 8, so that the liquid is rapidly heated.

[0025] When the medical staff carries out the work, the patient first binds the infusion instrument on the arm through the binding belt 6, then pours the liquid into the liquid storage cylinder 8, then tightly screws the cover plate 21 and stably installs the liquid storage cylinder 8 in the fixing ring belt 7, then selects the appropriate capillary tube 10 according to the specific needs of the patient and screws it into the infusion tube 9, and then gently stabs the needle 11 into the patient's skin.

[0026] Then, the micro air pump 14 and the infrared heating lamp 20 are started. Once the micro air pump 14 is started, the compressed air will be sent into the air bag 16, causing the air bag 16 to expand. The expanded air bag 16 will push the piston 15 to move inside the liquid storage cylinder 8, so as to squeeze the liquid out of the liquid storage cylinder 8. At the same time, the two sets of infrared heating lamps 20 will also light up at the same time, releasing strong infrared radiation. These radiations directly act on the liquid in the liquid storage cylinder 8, so that the temperature of the liquid is rapidly increased.

[0027] Finally, the flip cover 3 is closed, and the plug 12 is smoothly inserted into the slot 13. At this time, the built-in magnets will attract each other, stably fixing the flip cover 3 on the shell 1.

[0028] Through the above steps, compared with the traditional infusion instrument, the present scheme realizes faster and more efficient heating effect through the uniformly distributed infrared heating lamp 20, ensures that the liquid maintains the best temperature during the injection process, effectively reduces the pain and discomfort of the patient, and at the same time, the introduction of the capillary tube 10 flow rate adjustment mode not only improves the flexibility and safety of the infusion process, but also greatly facilitates the medical staff to select the appropriate infusion speed according to the specific situation of the patient, further improves the treatment effect and patient experience, and solves the problem that the traditional infusion instrument usually only has the functions of simple liquid storage and delivery, and lacks flexible adjustment of the heating and infusion speed of the liquid.

[0029] The embodiment of the utility model has been explained in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A portable infusion set with controllable flow rate and heating function, comprising a housing (1), a cavity (2) inside the housing (1), and a hinged flap (3) at the front end of the housing (1); characterized in that: The flip cover (3) and the shell (1) are jointly provided with a locking structure, the flip cover (3) is provided with an observation window (4) for observing the liquid level of the medicine, the front end of the shell (1) is provided with an infusion groove (5), the upper end and the rear end of the shell (1) are provided with adaptive bandages (6), the surface of the bandage (6) is provided with a magic tape for fixing, a fixed ring belt (7) is installed in the cavity (2), a transparent liquid storage cylinder (8) is installed in the fixed ring belt (7), the front end of the liquid storage cylinder (8) is provided with an infusion tube (9) and the infusion tube (9) is located in the infusion groove (5), one end of the infusion tube (9) is provided with a capillary tube (10) for controlling the flow rate, one end of the capillary tube (10) is provided with a needle (11), a pressing module is installed in the cavity (2), the pressing module is connected with the liquid storage cylinder (8), and heating modules are arranged on the inner walls of the upper end and the lower end of the cavity (2).

2. The flow controllable heating type portable infusion apparatus according to claim 1, characterized by: The locking structure comprises a plug (12), one end of the flip cover (3) is integrally and fixedly connected with the plug (12) facing the shell (1), and the upper end of the shell (1) is provided with a plug groove (13) matched with the plug (12).

3. The flow controllable heating type portable infusion apparatus according to claim 2, characterized by: The plug (12) and the plug groove (13) are provided with matched magnets, and the plug (12) and the plug groove (13) are magnetically connected.

4. The flow controllable heating type portable infusion apparatus according to claim 3, wherein: The pressing module comprises a micro air pump (14), the micro air pump (14) is installed at the bottom of the cavity (2), the liquid storage cylinder (8) is provided with a piston (15) for driving the movement of the liquid, one end of the piston (15) away from the needle (11) is provided with an air bag (16), the air bag (16) is connected with the air outlet of the micro air pump (14) through an air pipe (17), and the air bag (16) is expanded to drive the piston (15) to move in the liquid storage cylinder (8).

5. The flow controllable heating type portable infusion apparatus according to claim 4, characterized by: One end of the capillary tube (10) is fixedly connected with a first protruding ring (18), an outer thread is formed in the outer wall of the first protruding ring (18), an inner thread is formed in the inner wall of the infusion tube (9), the capillary tube (10) and the infusion tube (9) are threadedly connected, and the number of the capillary tubes (10) is at least five and the colors of the capillary tubes (10) are different.

6. The flow controllable heating type portable infusion apparatus according to claim 5, wherein: The heating module comprises two lamp sockets (19), and the lamp sockets (19) are installed on the inner walls of the upper end and the lower end of the cavity (2), respectively, and each lamp socket (19) is provided with an infrared heating lamp (20).

7. The flow controllable heating type portable infusion apparatus according to claim 6, wherein: The front end of the liquid storage cylinder (8) is threadedly connected with a cover plate (21), one end of the cover plate (21) is fixedly connected with a second protruding ring (22), an outer thread is formed in the outer wall of the second protruding ring (22), and an inner thread matched with the outer thread of the second protruding ring (22) is formed in the inner wall of the liquid storage cylinder (8).