CN220026028U

CN220026028U - Device is tempered in pressurization of autologous arteriovenous fistula

Info

Publication number: CN220026028U
Application number: CN202321211319.XU
Authority: CN
Inventors: 刘田
Original assignee: Beijing Jishuitan Hospital
Current assignee: Beijing Jishuitan Hospital
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-11-17
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses an autologous arteriovenous fistula pressurization exercise device which comprises a holding ring, an inflatable cuff, a pressure gauge and a three-way joint, wherein the holding ring comprises a ring body, a notch is formed in the ring body, a holding block is arranged on the notch, two sides of the holding block are respectively connected with a sliding rod arranged on the ring body, a corrugated pipe is arranged between the holding block and the ring body, a rebound component and a counting mechanism are arranged in the corrugated pipe, an air inlet one-way valve and an air outlet one-way valve of the corrugated pipe are respectively arranged on an air inlet and an air outlet of the corrugated pipe, the air outlet one-way valve is connected with an air inflation pipe, an air delivery pipe and a connecting pipe are respectively arranged on the inflatable cuff and the pressure gauge, and interfaces of the three-way joint are respectively connected with the air inflation pipe, the connecting pipe and the air delivery pipe. The problem that the existing pressurizing exercise device cannot confirm the intensity of the ball holding force and the exercise quantity of the holding force of a patient, so that the exercise time of the patient is insufficient and the exercise intensity is improper, and the effectiveness, normalization and exercise effect of the patient exercise are difficult to be guaranteed is effectively solved.

Description

Device is tempered in pressurization of autologous arteriovenous fistula

Technical Field

The utility model relates to the technical field of exercise devices, in particular to an autologous arteriovenous internal fistula pressurization exercise device.

Background

Chronic renal failure is a renal dysfunction resulting from irreversible destruction of the renal parenchyma, and eventually develops into end stage renal disease, and thus requires renal replacement therapy. Currently, maintenance Hemodialysis (MHD) is the more patient of choice, and vascular access is also known as the "lifeline" of MHD patients. Autologous arteriovenous fistula (AVF) is a vascular access formed by anastomosis of peripheral arteries and veins adjacent to a patient by surgery, and is the first choice for vascular access of a patient with Maintenance Hemodialysis (MHD) because of long service life, high patency rate and few infection complications. It has been shown that over 80% of patients with MHD have an AVF vascular access for dialysis. Good vascular conditions are an important premise for establishing the AVF, and functional exercise can promote early maturation of the AVF and prolong the service time.

Currently, in clinic, a patient usually adopts grip exercise, as disclosed in patent document publication No. CN 218338891U, an arteriovenous internal fistula pressurizing exercise device comprises an exercise assembly and a pressurizing assembly, wherein the exercise assembly comprises an annular air bag for performing pressurizing exercise on the arteriovenous internal fistula; the pressurizing assembly comprises a pressurizing ball, a connecting pipe, an air inlet one-way valve and an air outlet one-way valve, wherein the connecting pipe is communicated between the pressurizing ball and the annular air bag, the air inlet one-way valve is fixedly arranged on the ball wall of the pressurizing ball, and the conducting direction of the air inlet one-way valve is arranged towards the inside of the pressurizing ball. According to the technical scheme, the internal fistula can be promoted to be mature through the compression exercise on the arteriovenous internal fistula, so that the mature standard can be conveniently and rapidly reached; but this patent technical scheme is at actual application in-process, has the unable intensity of force and the exercise volume of grip of holding between the hands of patient, causes patient exercise time inadequately and temper the dynamics inadequately, leads to patient to temper validity, standardly and temper the problem that the effect is difficult to obtain the guarantee.

Disclosure of Invention

The present utility model is directed to providing an exercise device for pressurizing an arteriovenous fistula in an autologous manner, which solves the problems set forth in the background art.

The utility model adopts the technical scheme that:

the utility model provides an autologous arteriovenous fistula pressurization exercise device, includes grip ring, aerifys sleeve area, manometer and three way connection, grip ring includes the ring body, has seted up jaggedly on the ring body, is provided with on the breach and grips the piece, grips the piece both sides and is connected with the slide bar that sets up on the ring body respectively, is provided with the bellows between gripping the piece and the ring body, and the bellows is inside to be provided with rebound subassembly and counting mechanism, is provided with the check valve that admits air and go out the check valve respectively on the air inlet and the gas outlet of bellows, is connected with the gas tube on the check valve that gives vent to anger, is provided with gas-supply pipe and connecting pipe on aerifing sleeve area and the manometer respectively, three way connection's interface is connected with gas tube, connecting pipe and gas-supply pipe respectively, and is provided with pressure relief valve above that.

As a further improvement of the utility model, the rebound assembly comprises a sleeve, a base and a reset spring, wherein the sleeve is arranged on the ring body, a moving block is slidably arranged in the sleeve, the base is arranged on the gripping block and aligned with the sleeve, a telescopic rod is arranged below the base, the end part of the telescopic rod penetrates into the sleeve and is connected with the moving block, the reset spring is sleeved on the outer part of the telescopic rod, and two ends of the reset spring are respectively connected with the base and the sleeve.

As a further improvement of the utility model, a first magnet and a second magnet are respectively arranged on the bottom of the base and the top of the sleeve, and the magnetism of the first magnet and the magnetism of the second magnet are the same.

As a further improvement of the utility model, the counting mechanism comprises a counter, a main control unit and a display screen, wherein the counter is arranged on the ring body and corresponds to the holding block, the main control unit is embedded in the ring body, the display screen is arranged on the outer wall of the ring body, the counter is connected with the main control unit, and the main control unit is connected with the display screen.

As a further improvement of the utility model, the counter also comprises a storage battery, the storage battery is embedded in the ring body, the storage battery is respectively connected with the counter, the main control unit and the display screen, and a charging interface is arranged on the storage battery.

As a further improvement of the utility model, the gripping blocks are provided with finger buckles at intervals.

As a further improvement of the utility model, the ring body is provided with an anti-skid sleeve.

As a further improvement of the inflatable cuff, the inflatable cuff is designed to be of a strip-shaped rectangular structure, and a magic tape surface and a magic hook surface are respectively arranged at two ends of the inflatable cuff, and the magic tape surface and the magic hook surface are adhered to each other.

As a further improvement of the utility model, the inflatable cuff is embedded with an air bag, and the air bag is connected with the air pipe.

As a further development of the utility model, the balloon is designed in an E-shaped, wavy or zigzag configuration.

Compared with the prior art, the utility model has the beneficial effects that:

1. the inflatable cuff is simple in structure, convenient to use, safe, reliable and good in compliance, and can be inflated while the holding force is trained, so that the inflatable cuff can apply pressure to an internal fistula arm, the blood circulation of the arm is effectively promoted, and meanwhile, the internal fistula arm can be promoted to be mature.

2. The holding force ring is used for being applied to the ring body and the holding block, the counting mechanism is used for monitoring the reciprocating sliding times of the holding block, the pressure gauge displays specific pressure values, the monitoring of the force value and the exercise times can be performed in time, the force value, the exercise times and the exercise time for achieving enough internal fistula exercise every day are guaranteed, and the internal fistula exercise with normalization and effectiveness can be facilitated for patients.

Drawings

FIG. 1 is a schematic overall structure of a first embodiment;

FIG. 2 is a cross-sectional view of a grip ring according to the first embodiment;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic view of an inflatable cuff according to the first embodiment;

FIG. 5 is a schematic circuit diagram of a second embodiment;

FIG. 6 is a schematic view of an E-shaped air bag structure according to a third embodiment;

FIG. 7 is a schematic diagram of a zigzag airbag structure according to a third embodiment;

FIG. 8 is a schematic view of a wave-shaped air bag according to a third embodiment;

in the figure: 1. an inflatable cuff; 2. a ring body; 3. a pressure gauge; 4. a gas pipe; 5. a three-way joint; 6. a connecting pipe; 7. a pressure relief valve; 8. an inflation tube; 9. a charging interface; 10. a bellows; 11. a finger buckle; 12. an anti-skid sleeve; 13. a slide bar; 14. a display screen; 15. a timer; 16. a notch; 17. a storage battery; 18. a main control unit; 19. a base; 20. an air inlet; 21. an air inlet one-way valve; 22. a sleeve; 23. a counter; 24. an air outlet; 25. an air outlet one-way valve; 26. a moving block; 27. a return spring; 28. a first magnet; 29. a telescopic rod; 30. a second magnet; 31. magic tape surface; 32. hook-on surface of the magic tape; 33. a protrusion; 34. an air bag; 35. and (5) holding the block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more clear and clear, the present utility model will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

Referring to fig. 1 to 3, the utility model provides an autologous arteriovenous fistula pressurizing exercise device, which comprises a holding ring, an inflatable cuff 1, a pressure gauge 3 and a three-way joint 5, wherein the holding ring comprises a ring body 2, a notch 16 is formed in the ring body 2, a holding block 35 is arranged on the notch 16, two sides of the holding block 35 are respectively connected with a slide rod 13 arranged on the ring body 2, the holding block 35 can slide reciprocally along the slide rod 13, a corrugated pipe 10 is arranged between the holding block 35 and the ring body 2, a rebound component and a counting mechanism are arranged in the corrugated pipe 10, when the holding block 35 moves downwards, the corrugated pipe 10 is extruded by the holding block 35, the corrugated pipe 10 is compressed, the rebound component stores force, when the acting force on the holding block 35 disappears, the rebound component drives the holding block 35 to slide upwards along the slide rod 13, the corrugated pipe 10 is gradually elongated, the counting mechanism is used for recording the reciprocating sliding times of the gripping block 35, further knowing the times of the gripping exercise of a patient, an air inlet check valve 21 and an air outlet check valve 25 are respectively arranged on an air inlet 20 and an air outlet 24 of the corrugated pipe 10, an air charging pipe 8 is connected to the air outlet check valve 25, when the corrugated pipe 10 is compressed, the air inlet check valve 21 is closed, the air outlet check valve 25 is opened, air in the corrugated pipe 10 is discharged to the air charging pipe 8 from the air outlet 24, when the corrugated pipe 10 is stretched, the air outlet check valve 25 is closed, the air inlet check valve 21 is opened, external air enters the corrugated pipe 10 through the air inlet 20, an air transmission pipe 4 and a connecting pipe 6 are respectively arranged on the air charging cuff 1 and the pressure gauge 3, and the interfaces of the three-way joint 5 are respectively connected with the air charging pipe 8, the connecting pipe 6 and the air transmission pipe 4, and the pressure safety valve 7 is arranged on the interfaces; the inflatable cuff 1 is tied up on the arm of a patient, the pressure gauge 3 displays a specific pressure value, the tying force or the ring holding force of the inflatable cuff 1 on the arm is effectively and intuitively reflected and measured through the pressure gauge 3, and the pressure safety valve 7 is used for controlling the gas flow direction of the three-way joint 5 or exhausting the gas; through holding the grip ring intermittently, bellows 10 aerifys inflation sleeve area 1 through gas-filled tube 8 and gas-supply pipe 4 for inflation sleeve area 1 exerts pressure to the internal fistula arm, combines the grip exercise, promotes arm blood circulation, can promote the internal fistula arm to ripen as early as possible again simultaneously.

Based on the above embodiment, the rebound assembly comprises a sleeve 22, a base 19 and a return spring 27, wherein the sleeve 22 is arranged on the ring body 2, a moving block 26 is slidably arranged in the sleeve, the base 19 is arranged on a gripping block 35 and aligned with the sleeve 22, a telescopic rod 29 is arranged below the base 19, the end part of the telescopic rod 29 penetrates into the sleeve 22 and is connected with the moving block 26, the return spring 27 is sleeved on the outer part of the telescopic rod 29, and two ends of the return spring are respectively connected with the base 19 and the sleeve 22; the patient holds the grip ring, and applies external force to the ring body 2 and the gripping block 35, so that the gripping block 35 moves downwards along the sliding rod 13, and then the gripping block 35 drives the base 19 to move along with the gripping block, the base 19 moves towards the sleeve 22, and the base 19 drives the telescopic rod 29 to be gradually contained in the sleeve 22, and meanwhile, the base 19 and the sleeve 22 compress the reset spring 27, so that the corrugated pipe 10 is in a compressed state; when the external force is removed, the grip block 35 moves upward along the slide bar 13 under the rebound action of the return spring 27 until the initial position is restored.

In the above embodiment, the first magnet 28 and the second magnet 30 are respectively arranged on the bottom of the base 19 and the top of the sleeve 22, and the first magnet 28 and the second magnet 30 have the same magnetism; the external force acts on the holding block 35, the holding block 35 drives the base 19 to move, when the base 19 moves towards the sleeve 22, the base 19 gradually approaches the sleeve 22, the principle that the magnetism of the magnets is the same and the magnets repel each other is utilized, so that repulsive force is generated between the first magnet 28 and the second magnet 30, and when the external force acts on the base, the repulsive force between the first magnet 28 and the second magnet 30 can help the base 19 to move to an initial position, so that the moving stability of the base 19 is further enhanced.

In a preferred embodiment of the present utility model, as shown in fig. 4, the inflatable cuff 1 is designed in a strip-shaped rectangular structure, and is provided with a velcro surface 31 and a velcro hook surface 32 on both ends thereof, wherein the velcro surface 31 and the velcro hook surface 32 are adhered to each other; the inflatable cuff 1 bypasses the arm of the patient, and two ends of the inflatable cuff 1 are respectively bonded through the magic tape surface 31 and the magic tape hook surface 32, so that the inflatable cuff 1 can be effectively and tightly fixed on the arm of the patient, and the inflatable cuff is not easy to fall off.

Preferably, the gripping blocks 35 are provided with finger buttons 11 at intervals; when the patient exercises, the patient holds the ring body 2 at the palm, and fingers are inserted into the corresponding finger buckles 11, so that the grip ring is convenient to use and control.

Preferentially, the ring body 2 is provided with an anti-skid sleeve 12; the anti-slip sleeve 12 can effectively increase the friction coefficient between the ring body 2 and the palm center of the patient, and prevent slipping in the using process.

Preferably, the inner wall of the inflatable cuff 1 is provided with arc-shaped bulges 33 which are uniformly distributed at intervals; when the inflatable cuff 1 is inflated, the inflatable cuff 1 gradually bulges, and the inflatable cuff 1 is in contact with the arm of the patient through the protrusions 33, so that the blood circulation of the arm can be effectively promoted.

The application process of the utility model is as follows:

prior to use, the inflatable cuff 1 is strapped to the patient's internal fistula arm.

At the initial stage of exercise, the patient closes the flow direction of the three-way joint 5 and the air pipe 4 through the pressure safety valve 7, cuts off the connection of the three-way joint 5 and the inflatable cuff 1, holds the grip ring intermittently, when the ring body 2 and the grip block 35 are gripped forcefully, the grip block 35 moves downwards along the slide bar 13, and then the grip block 35 drives the base 19 to move towards the sleeve 22, the telescopic rod 29 on the base 19 is accommodated in the sleeve 22, and simultaneously compresses the return spring 27, so that the corrugated pipe 10 is in a compressed state, and at the moment, the air inlet one-way valve

21 are opened, the air outlet one-way valve 25 is closed, and air in the corrugated pipe 10 is discharged to the air charging pipe 8 and the connecting port through the air inlet 20, so that the pressure gauge 3 displays a specific pressure value, the strength of the grip ring of the hand of a patient is judged through the pressure value until the pressure value reaches a standard range, the pressure safety valve 7 is opened, and the air overflows from the pressure safety valve 7.

At the later stage of exercise, the three-way joint 5 is opened to be connected with the inflatable cuff 1, the bellows 10 is inflated through the inflation tube 8 and the air tube 4 by intermittently compressing and loosening the bellows 10, the bundling force and the ring holding force of the inflatable cuff 1 on the arm can be visually reflected through the pressure gauge 3 at the moment, until the pressure on the pressure gauge 3 reaches the standard range, the pressure safety valve 7 is opened, and the air overflows from the pressure safety valve 7. The embodiment can be used for inflating the inflatable cuff 1 while holding force exercise, and the inflatable cuff 1 applies pressure to the internal fistula arm, so that the blood circulation can be effectively promoted, and meanwhile, the internal fistula arm can be promoted to be mature.

Example two

The difference between this embodiment and the first embodiment is that: referring to fig. 2 and 5, the counting mechanism comprises a counter 23, a main control unit 18 and a display screen 14, wherein the counter 23 is arranged on the ring body 2 and corresponds to the holding block 35, the main control unit 18 is embedded in the ring body 2, the display screen 14 is arranged on the outer wall of the ring body 2, the counter 23 is connected with the main control unit 18, the main control unit 18 adopts an STM32 singlechip, and the main control unit 18 is connected with the display screen 14; the number of times of the reciprocating movement of the gripping block 35 is counted through the counter 23, the counted value is sent to the main control unit 18, the main control unit 18 sends the counted information to the display screen 14, the number of times of the reciprocating movement of the gripping block 35 is displayed in real time through the display screen 14, so that the number of times of the hand grip of a patient is counted, the patient can know the specific exercise amount through the display screen 14 conveniently, and the patient can be ensured to achieve the set exercise amount.

Further, the counter 23 further comprises a storage battery 17, the storage battery 17 is embedded in the ring body 2, the storage battery 17 is respectively connected with the counter 23, the main control unit 18 and the display screen 14, and a charging interface 9 is arranged on the storage battery 17; the storage battery 17 is convenient to charge through the charging interface 9, and the storage battery 17 can provide power for the counter 23, the main control unit 18 and the display screen 14, so that the counter 23, the main control unit 18 and the display screen 14 can work continuously and normally.

Further, the counter 23 further comprises a timer 15, and the main control unit 18 is connected with the timer 15; the main control unit 18 sends a timing instruction to the timer 15, and the timer 15 can accurately time the exercise time of the patient so that the patient can know the detailed exercise time through the timer 15.

It should be noted that, the main control unit 18, the counter 23, the timer 15 and the display screen 14 are all common electronic components for those skilled in the art, and those skilled in the art may select corresponding models according to needs to implement the present embodiment, which is not specifically described herein.

Example III

The difference between the third embodiment and the second embodiment is that: referring to fig. 6 to 8, an air bag 34 is embedded in the inflatable cuff 1, the air bag 34 is connected with the air pipe 4, and the air bag 34 is designed to be in an E-shaped, wave-shaped or reverse-shaped structure; the air is conveyed to the air bag 34 through the air conveying pipe 4, so that the air bag 34 gradually bulges, the air bag 34 is E-shaped, wavy or back-shaped, and when the air bag 34 bulges, the inner wall of the inflatable cuff 1 can be tightly attached to the arm of a patient to the greatest extent, the restraint stability of the inflatable cuff 1 is further enhanced, and the inflatable cuff 1 is prevented from slipping; simultaneously, the internal fistula pressure device is helpful for pressurizing the internal fistula arm of the patient and promoting the maturing of the internal fistula arm.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides an autologous arteriovenous fistula pressurization exercise device, its characterized in that, including grip ring, inflatable cuff, manometer and three way connection, grip ring includes the ring body, has seted up the breach on the ring body, is provided with on the breach and grips the piece, grips the piece both sides and is connected with the slide bar that sets up on the ring body respectively, grips and is provided with the bellows between piece and the ring body, the bellows inside is provided with resilience subassembly and counting mechanism, is provided with the check valve that admits air and go out air on the air inlet and the gas outlet of bellows respectively, is connected with the gas tube on the check valve that gives vent to anger, is provided with gas-supply pipe and connecting pipe on inflatable cuff and the manometer respectively, three way connection's interface is connected with gas tube, connecting pipe and gas-supply pipe respectively, and is provided with pressure relief valve on it.

2. The device according to claim 1, wherein the rebound assembly comprises a sleeve, a base and a return spring, the sleeve is arranged on the ring body and is provided with a moving block in the sleeve in a sliding manner, the base is arranged on the gripping block and aligned with the sleeve, a telescopic rod is arranged below the base, the end of the telescopic rod penetrates into the sleeve and is connected with the moving block, the return spring is sleeved on the outer portion of the telescopic rod, and two ends of the return spring are respectively connected with the base and the sleeve.

3. The apparatus according to claim 2, wherein the base bottom and the sleeve top are provided with a first magnet and a second magnet, respectively, the first magnet and the second magnet being the same in magnetic properties.

4. The device of claim 1, wherein the counting mechanism comprises a counter, a main control unit and a display screen, the counter is mounted on the ring body and corresponds to the gripping block, the main control unit is embedded inside the ring body, the display screen is arranged on the outer wall of the ring body, the counter is connected with the main control unit, and the main control unit is connected with the display screen.

5. The device of claim 4, wherein the counter further comprises a battery embedded in the ring body, the battery is connected to the counter, the main control unit and the display screen, and a charging interface is provided on the battery.

6. The device of claim 1, wherein the gripping blocks are provided with spaced apart finger tabs.

7. The device of claim 1, wherein the ring body is provided with an anti-slip sleeve.

8. The device according to claim 1, wherein the inflatable cuff is designed in a rectangular structure, and is provided with a velcro surface and a velcro hook surface on both ends thereof, the velcro surface and the velcro hook surface being adhered to each other.

9. The apparatus according to claim 8, wherein the inflatable cuff is internally embedded with an air bag, and the air bag is connected with an air pipe.

10. The apparatus of claim 9, wherein the balloon is configured in an E-shaped, wavy, or serpentine configuration.