Anesthetic infusion device

The anesthetic infusion device addresses the inconvenience of carrying and moving by incorporating an outer shell with elastic binding bands and a screw gear mechanism for adjustable tightening, ensuring stability and comfort through secure fixation and easy portability.

GB2642354BActive Publication Date: 2026-06-29THE THIRD HOSPITAL OF CHANGSHA

Patent Information

Authority / Receiving Office
GB · GB
Patent Type
Patents
Current Assignee / Owner
THE THIRD HOSPITAL OF CHANGSHA
Filing Date
2024-07-05
Publication Date
2026-06-29

AI Technical Summary

Technical Problem

Anesthetic infusion devices are inconvenient to carry and move due to their design, which makes them prone to dislodging when patients turn over or move, and are not suitable for easy transport.

Method used

An anesthetic infusion device with an outer shell, elastic binding bands, a tightness control block, and a screw gear mechanism that allows adjustable tightening and secure fixation, along with modular components for easy assembly and disassembly, ensuring stability and comfort during use.

Benefits of technology

The device provides improved stability and comfort during use by allowing adjustable tightening, secure fixation, and easy portability, facilitating convenient carrying and movement while maintaining secure attachment to the patient's body.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

A portable anaesthetic infusion device is provided which includes an outer shell 1. A cavity is formed in the outer shell. A side surface of the outer shell is fixedly connected with one end of an ela
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Description

14 02 25 TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of medical appliances, in particular to an anesthetic infusion device. BACKGROUND

[0002] The analgesic pump is a liquid infusion device. Medicine liquid is infused into the human body. Medicine can maintain a stable concentration in blood to achieve better analgesic treatment with less medicine. Usually, the patient is allowed to press himself to add an additional infusion dose on the basis of continuous infusion, so that the treatment is more personalized.

[0003] When the analgesic pump is applied for postoperative analgesia, the patient usually lies in bed, so that the analgesic pump is usually hung on the bracket on one side of the sickbed to get close to the body of the patient. However, it is easy to pull the needle when the patient turns over or moves, and the analgesic pump is inconvenient to carry and is not conducive to carrying and moving by the patient. SUMMARY

[0004] The embodiments aim to provide an anesthetic infusion device so as to solve the problem that the device is inconvenient to carry and move.

[0005] The present disclosure provides an anesthetic infusion device. The anesthetic infusion device includes an outer shell. An upper surface opening is formed in an upper surface of the outer shell. A side surface of the outer shell is fixedly connected with one end of each elastic binding band of two elastic binding bands. A tightness control block is mounted between the two elastic binding bands. A cavity is formed in an interior of the tightness control block. A first opening is formed in a rear surface of the tightness control block. A first opening inner wall of the first opening of the tightness control block is rotatably connected with a screw gear. A cavity inner wall of the cavity of the tightness control block is slidably connected with two linkage racks. Sliding chutes are formed in a surface of the tightness control block. A sliding chute inner wall of each of the sliding chutes of the tightness control block is mounted with a first fixture block for fixing a rotation position of the screw gear. An analgesic pump is mounted in the upper surface opening of the outer shell. A bottom surface opening is formed in a bottom surface of the outer shell. A bottom surface opening inner wall of the bottom surface opening of the outer shell is provided with an infusion tube. The infusion tube communicates the analgesic pump. Side 14 02 25 surfaces of the outer shell are slidably connected with two second fixture blocks for fixing a position of the analgesic pump. The upper surface opening of the outer shell is internally provided with a storage battery. A front surface of the outer shell is slidably connected with a third fixture block for fixing a position of the storage battery. The upper surface opening of the outer shell is internally provided with a liquid medicine tank. A side surface of the outer shell is rotatably connected with a lead screw. The upper surface opening inner wall of the upper surface opening of the outer shell is slidably connected with a fourth fixture block. A surface of the fourth fixture block is fixed with two first magnets. An interior of the outer shell is slidably connected with piston rods. One end of each of the piston rods is fixedly connected with a second magnet. Air grooves are formed in the interior of the outer shell. A buffer airbag is arranged between the storage battery and the liquid medicine tank, the lead screw is in threaded connection with the fourth fixture block. Opposite ends of the second magnet and a corresponding one of the two first magnets are opposite in magnetic poles. A spring is connected between each of the piston rods and the outer shell. The buffer airbag is fixedly connected with the outer shell, the buffer airbag communicates with the air grooves. The air grooves communicates with the second piston rods.

[0006] The device has the following beneficial effects.

[0007] According to the device, the elastic binding bands are worn around an arm or a leg of a patient. The tightness of the elastic binding band is freely adjusted through the tightness control block according to the body shape of the patient, so that the stability and comfort of wearing are improved. After the elastic binding band is tightened, the screw gear is clamped through the first fixture blocks, so that the screw gear is prevented from being loosened and separated, the stability of wearing is ensured, and the device is convenient to carry and move. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] FIG. 1 is a solid structural schematic diagram of the connection between an outer shell and elastic binding bands according to the present disclosure.

[0009] FIG. 2 is a solid structural schematic diagram of the connection between a tightness control block and a screw gear according to the present disclosure.

[0010] FIG. 3 is a solid structural schematic diagram of the connection between the elastic binding bands and the tightness control block according to the present disclosure.

[0011] FIG. 4 is a solid structural schematic diagram of the connection between the elastic binding bands and linkage racks according to the present disclosure.

[0012] FIG. 5 is a solid structural schematic diagram of the connection between the outer shell 14 02 25 and first piston rods according to the present disclosure.

[0013] FIG. 6 is a solid structural schematic diagram of the connection between a storage battery and a third fixture block according to the present disclosure.

[0014] FIG. 7 is a solid structural schematic diagram of the connection between a lead screw and a fourth fixture block according to the present disclosure.

[0015] FIG. 8 is a solid structural schematic diagram of the connection between an analgesic pump and a second fixture block according to the present disclosure.

[0016] FIG. 9 is a solid structural schematic diagram of the outer shell and second air grooves according to the present disclosure.

[0017] FIG. 10 is a solid structural schematic diagram of the connection between the outer shell and a third buffer airbag according to the present disclosure. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Referring to FIG. 1 to FIG. 10, the present disclosure provides a technical scheme. An anesthetic infusion device includes an outer shell 1, elastic binding bands 2, a tightness control block 3, a screw gear 4, linkage racks 5, first fixture blocks 6, an analgesic pump 7, an infusion tube 8, second fixture blocks 9, a storage battery 10, a third fixture block 11, a liquid medicine tank 12, first piston rods 13, a first buffer airbag 14, first air grooves 15, a second buffer airbag 16, a lead screw 17, fourth fixture blocks 18, first magnets 19, second piston rods 20, second magnets 21, second air grooves 22 and a third buffer airbag 23. An upper surface opening is formed in an upper surface of the outer shell. One end of each of the elastic binding bands 2 is connected with one end of a corresponding one of the two linkage racks 5. The two linkage racks 5 are centrosymmetrically arranged relative to the screw gear 4. A surface, facing the screw gear 4, of the linkage rack 5 is provided with gear blocks, and the linkage rack 5 is in engaged connection with the screw gear 4 through the gear blocks. When the device is used, the elastic binding bands 2 and the tightness control block 3 sleeve an outer surface of the body of a patient, and the two linkage racks 5 are driven to slide by rotating the screw gear 4, so that each of the two linkage racks 5 drives the elastic binding band 2 at one end to move. Therefore, the two elastic binding bands 2 are tightened, and the device is convenient to fix on the surface of the body of the user. The device is convenient to carry and move. Moreover, the screw gear 4 is clamped and fixed through the first fixture blocks 6, so that the linkage racks 5 are prevented from sliding and being loosened, and the stability of the device when the device is used is improved.

[0019] A cavity inner wall 25 of the cavity of the tightness control block 3 is slidably connected 14 02 25 with two linkage racks 5. Sliding chutes are formed in a surface of the tightness control block 3, and a sliding chute inner wall 26 of each of the sliding chutes of the tightness control block 3 is provided with a first fixture block 6. An analgesic pump 7 is mounted in an upper surface opening inner wall of the upper surface opening of the outer shell 1. A surface of the outer shell 1 is slidably connected with two first piston rods 13. The surface of the outer shell 1 is fixed with the first buffer airbag 14. The first air grooves 15 are formed in the interior of the outer shell 1. An upper surface opening inner wall of the upper surface opening of the outer shell 1 is fixed with the second buffer airbag 16. A spring is connected between the first piston rod 13 and the outer shell 1. The cavity of the first buffer airbag 14 and the cavity of the second buffer airbag 16 both communicate with the first air grooves 15. The first air grooves 15 communicate with the first piston rods 13.

[0020] A side surface of the outer shell 1 is fixedly connected with one end of the elastic binding band 2. A tightness control block 3 is mounted between two elastic binding bands 2. A spring is connected between the linkage rack 5 and the tightness control block 3. A surface of the gear block of the screw gear 4 is provided with an inclined surface. A spring is connected between the first fixture block 6 and the tightness control block 3, and one end of the first fixture block 6 is provided with a limited block. When the device is mounted, the body of the user pushes the first piston rods 13 to slide, so that the first piston rods 13 push air into the first buffer airbag 14 and the second buffer airbag 16 respectively from the first air grooves 15. After the first buffer airbag 14 is expanded, the first buffer airbag 14 is conveniently attached to the skin of the user, so that the comfort during wearing is improved. According to the device, the analgesic pump 7 is mounted at the bottom of the upper surface opening of the outer shell 11, and the analgesic pump 7 is clamped and fixed through the second fixture blocks 9, so that the device is convenient to disassemble and assemble. The liquid medicine tank 12 and the storage battery 10 are inserted and fixed with the analgesic pump 7, so that maintenance and replacement are facilitated through modularization. The storage battery 10 is convenient to position and fix through the third fixture block 11. After the second buffer airbag 16 is expanded, the liquid medicine tank 12 is supported, so that the buffer performance is improved, and the liquid medicine tank 12 is prevented from being damaged.

[0021] A cavity is formed in the interior of the tightness control block 3. A first opening is formed in a rear surface of the tightness control block 3. A first opening inner wall 24 of the first opening of the tightness control block 3 is rotatably connected with a screw gear. A groove is formed in a side surface of the analgesic pump 7. The infusion tube 8 is connected with the analgesic pump 7. A spring is connected between the second first fixture block 9 and the outer 14 02 25 shell 1, and the second fixture blocks 9 are in clamped connection with the analgesic pump 7. A groove is formed in a surface of the storage battery 10. A spring is connected between the third fixture block 11 and the outer shell 1, and the third fixture block 11 is in clamped connection with the storage battery 10. The storage battery 10 and the liquid medicine tank 12 are both connected with the analgesic pump 7. The fourth fixture block 18 at one end is driven to slide by rotating the lead screw 17, so that the liquid medicine tank 12 is clamped and fixed by the fourth fixture blocks 18. At the same time, two first magnets 19 on the surface are driven to slide by the movement of the fourth fixture block 18.

[0022] A bottom surface opening is formed in a bottom surface of the outer shell 1. A bottom surface opening inner wall of the bottom surface opening of the outer shell 1 is provided with then infusion tube 8. A side surface of the outer shell 1 is slidably connected with two second fixture blocks 9. The upper surface opening of the outer shell 1 is internally provided with the storage battery 10. A front surface of the outer shell 1 is slidably connected with the third fixture block 11. The upper surface opening inner wall of the upper surface opening of the outer shell 1 is internally provided with the liquid medicine tank 12. A side surface of the outer shell 1 is rotatably connected with the lead screw 17. The upper surface opening inner wall of the upper surface opening of the outer shell 1 is slidably connected with the fourth fixture block 18. A surface of the fourth fixture block 18 is fixed with two first magnets 19. The interior of the outer shell 1 is slidably connected with the second piston rod 20. One end of the second piston rod 20 is fixedly connected with the second magnet 21. The second air grooves 22 are formed in the interior of the outer shell 1. The third buffer airbag 23 is arranged between the storage battery 10 and the liquid medicine tank 12. The lead screw 17 is in threaded connection with the fourth fixture blocks 18. Opposite ends of the first magnet 19 and the second magnet 21 are opposite in magnetic poles. A spring is connected between the second piston rod 20 and the outer shell 1. The third buffer airbag 23 is fixedly connected with the outer shell 1. The third buffer airbag 23 communicates with the second air grooves 22, and the second air groove 22 communicates with the second piston rods 20. The second magnet 21 is attracted by the first magnet 19 at the initial position, so that the second magnet 21 drives the second piston rod 20 to slide. Therefore, air is pumped out of the third buffer airbag 23. The storage battery 10 and the liquid medicine tank 12 are convenient to disassemble, assemble and replace. After the first magnets 19 slide along with the fourth fixture block 18, the second magnet 21 is not attracted, so that the second piston rods 20 are pulled by the spring to slide. After the second piston rods 20 move, air is guided into the third buffer airbag 23 from the second air groove 22. The third buffer airbag 23 is convenient to expand, so that a gap between the storage battery 10 and the liquid medicine tank 12 is filled, the 14 02 25 stability of the storage battery 10 and the liquid medicine tank 12 is improved, and the damage of impact on the storage battery 10 and the liquid medicine tank 12 is reduced.

[0023] The working principle is as follows. When the anesthetic infusion device is used, the elastic binding bands 2 and the tightness control block 3 sleeve an outer surface of the body of a user, and the linkage racks 5 and the elastic binding bands 2 are driven to move by rotating the screw gear 4. After the elastic binding bands 2 are tightened, the elastic binding bands 2 are fastened conveniently, and the screw gear 4 is clamped by the first fixture blocks 6 to prevent from sliding and being loosened. At the same time, the first piston rods 13 are pushed by the skin of the user, so that air is pushed into the first buffer airbag 14 and the second buffer airbag 16 from the first air grooves 15 by the first piston rods 13. The first buffer airbag 14 is expanded, so that the comfort of wearing is improved. The liquid medicine tank 12 is convenient to support for stable buffering through the expansion of the second buffer airbag 16. The analgesic pump 7 is fixed by the second fixture blocks 9. Drugs are fed through the infusion tube 8. Moreover, the storage battery 10 is fixed through the third fixture block 11. the fourth fixture blocks 18 are driven to move by rotating the lead screw 17, so that the liquid medicine tank 12 is clamped and fixed by the fourth fixture blocks 18. At the same time, the fourth fixture block 18 drives the first magnets 19 to slide away from the second magnets 21, so that the second piston rods 20 are pulled by the spring to slide. Air is inflated into the third buffer airbag 23 from the second air grooves 22 by the second piston rods 20. The third buffer airbag 23 is conveniently expanded to support and buffer the storage battery 10 and the liquid medicine tank 23, so that the practicability of the whole body is increased.

Claims

14 02 251. An anesthetic infusion device, comprising an outer shell, an upper surface opening being formed in an upper surface of the outer shell, a side surface of the outer shell being fixedly connected with one end of each elastic binding band of two elastic binding bands, and a tightness control block being mounted between the two elastic binding bands,characterized in that,a cavity is formed in an interior of the tightness control block, a first opening is formed in a rear surface of the tightness control block, a first opening inner wall of the first opening of the tightness control block is rotatably connected with a screw gear, a cavity inner wall of the cavity of the tightness control block is slidably connected with two linkage racks, sliding chutes are formed in a surface of the tightness control block, a sliding chute inner wall of each of the sliding chutes of the tightness control block is mounted with a first fixture block for fixing a rotation position of the screw gear,an analgesic pump is mounted in the upper surface opening of the outer shell, a bottom surface opening is formed in a bottom surface of the outer shell, a bottom surface opening inner wall of the bottom surface opening of the outer shell is provided with an infusion tube, the infusion tube communicates with the analgesic pump, side surfaces of the outer shell is slidably connected with two second fixture blocks for fixing a position of the analgesic pump, the upper surface opening of the outer shell is internally provided with a storage battery, a front surface of the outer shell is slidably connected with a third fixture block for fixing a position of the storage battery, and the upper surface opening of the outer shell is internally provided with a liquid medicine tank; anda side surface of the outer shell is rotatably connected with a lead screw, the upper surface opening inner wall of the upper surface opening of the outer shell is slidably connected with a fourth fixture block, a surface of the fourth fixture block is fixed with two first magnets, an interior of the outer shell is slidably connected with piston rods, one end of each of the piston rods is fixedly connected with a second magnet, air grooves are formed in the interior of the outer shell, a buffer airbag is arranged between the storage battery and the liquid medicine tank, the lead screw is in threaded connection with the fourth fixture block, opposite ends of the second magnet and a corresponding one of the two first magnets are opposite in magnetic poles, a spring is connected between each of the piston rods and the outer shell, the buffer airbag is fixedly connected with the outer shell, the buffer airbag communicates with the air grooves, and the air grooves communicates with the second piston rods.

2. The anesthetic infusion device according to claim 1, characterized in that one end of each of the two elastic binding bands is connected with one end of each of the two linkage racks, the two linkage racks are centrosymmetrically arranged relative to the screw gear; and a surface, facing the screw gear, of each of the two linkage racks is provided with gear blocks in gear engagement with the screw gear.14 02 25