CN217645795U

CN217645795U - Pressure ball for exercising internal arteriovenous fistula

Info

Publication number: CN217645795U
Application number: CN202221086696.0U
Authority: CN
Inventors: 周心
Original assignee: Affiliated Hospital of Jiangsu University
Current assignee: Affiliated Hospital of Jiangsu University
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-25
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a pressure ball for internal arteriovenous fistula exercise, which is characterized in that an elastomer shell and a hard core are ellipsoids, a plurality of pressure sensors are uniformly distributed on the outer surface of an inner shell, a plurality of spring uniform distributions are arranged between the elastomer shell and the hard core, the inner ends of the springs are connected with the pressure sensors on the outer surface of the hard core in a one-to-one correspondence manner, and the outer ends of the springs are connected with the inner wall of the elastomer shell; microprocessor, memory and power setting are in the inside of stereoplasm kernel, and the touch-control display screen setting is at the one end of elastomer housing major axis direction, and the reminiscences set up the other end at elastomer housing major axis direction, and pressure sensor, memory, touch-control display screen and reminiscences are connected with microprocessor respectively, and the power is connected with microprocessor, touch-control display screen and reminiscences respectively in order to supply power. The utility model discloses can let the patient accurately know whether qualified the dynamics of making a fist motion directly perceivedly, guarantee that the motion of making a fist at every turn reaches standard exercise requirement, obtain effectual exercise effect.

Description

Pressure ball for exercising internal arteriovenous fistula

Technical Field

The utility model relates to a pressure ball for internal arteriovenous fistula is taken exercise belongs to medical exercise apparatus technical field.

Background

Arteriovenous fistulas are currently the preferred type of vascular access for end stage renal patients undergoing hemodialysis. After a hemodialysis patient performs an arteriovenous internal fistula operation, the patient needs to exercise to ensure that the internal fistula matures as soon as possible and sufficient blood flow is achieved. The action that present patient carried out arteriovenous internal fistula and tempered is mainly that the air boxing is held and is taken exercise, but some patients can't judge whether sufficient of oneself is done or lack sufficient autonomic exercise, wait until the blood vessel often can not reach effectual sufficient effect when using, have increased the puncture degree of difficulty, influence the dialysis effect moreover, also greatly discount to vascular long-term use, consequently use the utensil that can quantify exercise the effect and become more and more important.

At present, the types of instruments for arteriovenous fistula exercise in the market are more, wherein the most convenient instrument is a grip ball, but most of the existing products have certain defects. For example, chinese patent with application number CN202120564751.1 discloses a pressure reducer for internal arteriovenous fistula exercise, which quantifies the pressure applied to the surface of a capsule of the pressure reducer by arranging a quantifying mechanism, the quantifying mechanism comprises quantifying balls and elastic ropes, the quantifying balls are connected in series by the elastic ropes at uniform intervals, the surfaces of the quantifying balls are extruded and supported on the inner wall of a telescopic hole, when a patient holds the capsule of the pressure reducer by hand to apply pressure, the quantifying balls connected in series by the elastic ropes extrude the telescopic hole one by one under the action of the pressure, so as to roughly pre-judge the pressure applied by the patient. However, the requirement of the appliance on the ball holding posture of the patient is strict, the quantized result is different even if the same exercise strength is used in different ball holding postures, the accuracy of quantization of the appliance is low, the result repeatability is poor, the patient who performs arteriovenous fistula operation has certain psychological stress during exercise, and if the deviation of the quantized result of each exercise is large, the patient can easily give up using the appliance. In addition, such devices suffer from two important drawbacks: 1. the appliance is in a shape of a regular sphere, the force application mode of the patient when pinching the hand with force is different from that of the empty fist, and the exercise effect is not ideal; 2. the device is not combined with the palm of the patient, so that the hand is easy to fall off during exercise. Both of the above-mentioned drawbacks are also common problems with most of the current appliances of the same type, and need to be improved.

Disclosure of Invention

The utility model aims to overcome the not enough of existence among the prior art, provide a pressure ball is used in internal arteriovenous fistula exercise, its structure is ingenious, and reasonable in design can let the patient accurately know whether qualified the dynamics of making a fist motion directly perceivedly, guarantees to make a fist motion at every turn and reaches standard exercise requirement, obtains effectual exercise effect.

According to the utility model provides a technical scheme: arteriovenous internal fistula is taken exercise and is used pressure ball, its characterized in that: the touch-control type pressure sensor comprises an elastomer shell, a hard inner core, springs, pressure sensors, a microprocessor, a memory, a touch-control display screen, a reminder and a power supply, wherein the elastomer shell and the hard inner core are all ellipsoidal bodies, a plurality of pressure sensors are uniformly distributed on the outer surface of an inner shell, a plurality of springs are uniformly distributed between the elastomer shell and the hard inner core, the inner ends of the springs are correspondingly connected with the pressure sensors on the outer surface of the hard inner core one by one, and the outer ends of the springs are connected with the inner wall of the elastomer shell; the hard inner core is of a hollow structure, the microprocessor, the memory and the power supply are arranged inside the hard inner core, the touch display screen is arranged at one end of the elastomer shell in the long axis direction, the reminder is arranged at the other end of the elastomer shell in the long axis direction, the pressure sensor, the memory, the touch display screen and the reminder are respectively connected with the microprocessor, and the power supply is respectively connected with the microprocessor, the touch display screen and the reminder to supply power.

As a further improvement of the utility model, the spring is conical spring, conical spring's stub end and the interior wall connection of elastomer shell, conical spring's stub end and the pressure sensor on the stereoplasm kernel surface are connected.

As a further improvement of the utility model, the surface of the elastomer shell is integrally provided with a middle hoop lantern ring.

As a further improvement of the utility model, the elastomer shell comprises two half shells which are connected by bonding; the hard inner core comprises two half core shells, and the two half core shells are fixedly connected through screws.

As a further improvement of the utility model, the spring inner has welded first connecting piece, first connecting piece offsets and fixed connection with pressure sensor.

As a further improvement, the second connection piece has been welded to the spring outer end, fixedly connected with supporting shoe on the second connection piece, the surface of supporting shoe is convex arc shape and laminates with the internal surface shape of elastomer shell, and the surface of supporting shoe is fixed with the internal surface bonding of elastomer shell.

As a further improvement of the present invention, the pressure ball further comprises a communication module, and the communication module is connected to the microprocessor.

As a further improvement, the communication module is one or several combinations of bluetooth module, WIFI module, 5G module.

As a further improvement of the utility model, the reminder is an audible and visual alarm.

As a further improvement of the utility model, the pressure sensor adopts a film pressure sensor, and the power supply adopts a rechargeable lithium battery.

Compared with the prior art, the utility model, have following advantage:

1) The utility model discloses the structure is ingenious, and reasonable design can respond to patient's fist pressure of holding, and show and remind through touch-control display screen and reminiscences, whether the dynamics that the patient can accurately know the fist motion directly perceivedly is qualified, guarantee that the fist motion of holding at every turn reaches the exercise requirement of standardization, obtain effectual exercise effect, help the patient carries out the exercise of action internal venous fistula better, promote the internal fistula mature as early as possible and reach sufficient blood flow, let the patient have better treatment experience and longer internal fistula life.

2) The utility model discloses still be provided with communication module, patient's the exercise condition can be through communication module transmission to cell-phone, portable medical terminal in take notes, make things convenient for medical personnel to monitor and master patient's exercise number of times, frequency and quality, the practical effectual clinical practical value of device.

Drawings

Fig. 1 is a front view of an appearance structure of an embodiment of the present invention.

Fig. 2 is a left side view of the appearance structure of the embodiment of the present invention.

Fig. 3 is a right side view of the appearance structure of the embodiment of the present invention.

Fig. 4 is a structural sectional view of an embodiment of the present invention.

Fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

Fig. 6 is a schematic block diagram of the circuit principle of the present invention.

Description of reference numerals: the device comprises an elastomer shell, a middle hoop lantern ring 1a, a hard inner core 2, a spring 3, a pressure sensor 4, a microprocessor 5, a memory 6, a touch display screen 7, a reminder 8, a power supply 9, a communication module 10, a first connecting sheet 11, a second connecting sheet 12 and a supporting block 13.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

As shown in fig. 1 to 6, the embodiment discloses a pressure ball for internal arteriovenous fistula exercise, which comprises an elastomer shell 1, a hard inner core 2, springs 3, pressure sensors 4, a microprocessor 5, a memory 6, a touch display screen 7, a reminder 8 and a power supply 9, wherein the elastomer shell 1 and the hard inner core 2 are all ellipsoidal bodies, a plurality of pressure sensors 4 are uniformly distributed on the outer surface of an inner shell, a plurality of springs 3 are uniformly distributed between the elastomer shell 1 and the hard inner core 2, the inner ends of the springs 3 are correspondingly connected with the pressure sensors 4 on the outer surface of the hard inner core 2, and the outer ends of the springs 3 are connected with the inner wall of the elastomer shell 1; the hard core 2 is of a hollow structure, the microprocessor 5, the memory 6 and the power supply 9 are arranged inside the hard core 2, the touch display screen 7 is arranged at one end of the elastic body shell 1 in the long axis direction, the reminder 8 is arranged at the other end of the elastic body shell 1 in the long axis direction, the pressure sensor 4, the memory 6, the touch display screen 7 and the reminder 8 are respectively connected with the microprocessor 5, and the power supply 9 is respectively connected with the microprocessor 5, the touch display screen 7 and the reminder 8 for power supply.

When the pressure ball is used, a patient holds the pressure ball in a palm, five fingers apply force to hold the pressure ball tightly, the elastic body shell 1 of the pressure ball deforms under the action of the holding pressure, so that the spring 3 between the elastic body shell 1 and the hard inner core 2 is compressed, the inner end of the spring 3 is connected with the pressure sensor 4, the pressure sensor 4 feeds stress conditions back to the microprocessor 5 in real time when receiving pressure, the microprocessor 5 processes the pressure value according to a built-in calculation program and compares the pressure value with a standard pressure value which is preset (input by the touch display screen 7) and stored in the memory 6, and when the pressure value is judged to reach the standard pressure value, the microprocessor 5 takes exercise once and stores the exercise into the memory 6. Meanwhile, the microprocessor 5 also sends a signal to the reminder 8, so that the reminder 8 sends a reminding signal to enable the patient to know that the patient finishes a qualified fist making exercise in time. Because the utility model discloses the whole shape of pressure ball is the ellipsoid shape, and the posture when the patient holds it in the palm is more similar with the empty fist posture of holding, also more natural comfortable when the application of force is taken exercise. Because touch-control display screen 7 and reminiscences 8 are located the both ends of pressure ball respectively, these two parts just expose outside when the patient takes exercise, make things convenient for the patient to observe. The reminder 8 in this embodiment is preferably an audible and visual alarm.

As shown in fig. 4 and 5, in this embodiment, the spring 3 is a conical spring, a large end of the conical spring is connected to the inner wall of the elastomer housing 1, and a small end of the conical spring is connected to the pressure sensor 4 on the outer surface of the hard core 2. So set up, such spring 3 structure makes the deformation stability of pressure ball when the atress higher, and as long as the application of force condition every time is the same promptly, and the deformation condition that the pressure ball took place at every turn is also the same, is favorable to guaranteeing quantization accuracy like this.

As shown in fig. 1 to 4, in the present embodiment, a middle hoop ring 1a is integrally provided on the surface of the elastomer housing 1. So set up, patient's well finger inserts in well hoop lantern ring 1a when taking exercise, both can avoid the pressure ball accident to take off the hand like this, can play the positioning action again, and the posture that lets the patient take exercise at every turn keeps the same, is favorable to improving quantization accuracy, promotes and takes exercise the effect.

As shown in fig. 1 to 4, in the present embodiment, the elastomer housing 1 includes two half shells, and the two half shells are bonded; the hard inner core 2 comprises two half core shells, and the two half core shells are fixedly connected through screws, so that the production and installation are convenient.

As shown in fig. 4 and 5, in this embodiment, a first connecting piece 11 is welded to an inner end of the spring 3, and the first connecting piece 11 is abutted against and fixedly connected to the pressure sensor 4. So set up, be the face-to-face contact between first connecting piece 11 and the pressure sensor 4, be favorable to improving and detect the precision.

As shown in fig. 4 and 5, in this embodiment, a second connecting piece 12 is welded to an outer end of the spring 3, a supporting block 13 is fixedly connected to the second connecting piece 12, an outer surface of the supporting block 13 is in a convex arc shape and is attached to an inner surface of the elastic body housing 1, and an outer surface of the supporting block 13 is fixedly bonded to the inner surface of the elastic body housing 1. So set up, the combination between supporting shoe 13 and the elastomer shell 1 is more stable, also is favorable to improving and detects the precision.

As shown in fig. 4 and 6, in this embodiment, the pressure ball further includes a communication module 10, and the communication module 10 is connected to the microprocessor 5. So set up for this pressure ball still has the wireless communication function, can carry out wireless communication with cell-phone, portable medical terminal, makes things convenient for medical personnel to monitor and master patient's exercise number of times, frequency and quality. The communication module 10 is one or a combination of a plurality of Bluetooth modules, WIFI modules and 5G modules.

The utility model discloses well pressure sensor 4, microprocessor 5, memory 6, touch-control display screen 7, reminiscences 8, power 9 and each communication module 10 all can be the conventional product among the prior art, and pressure sensor 4 preferably adopts film pressure sensor, and power 9 preferably adopts rechargeable lithium cell, does not do the special restriction here.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention is not limited to the above embodiments. In the scope of the technical idea of the present invention, various modifications and changes can be made, and the ordinary skilled person in the art can make modifications, changes or equivalent substitutions according to the above description, all belong to the protection scope of the present invention.

Claims

1. Arteriovenous internal fistula is taken exercise and is used pressure ball, its characterized in that: the elastic body shell (1) and the hard core (2) are ellipsoidal, a plurality of pressure sensors (4) are uniformly distributed on the outer surface of the inner shell, the plurality of springs (3) are uniformly distributed between the elastic body shell (1) and the hard core (2), the inner ends of the springs (3) are correspondingly connected with the pressure sensors (4) on the outer surface of the hard core (2) one by one, and the outer ends of the springs (3) are connected with the inner wall of the elastic body shell (1); the utility model discloses a safety alarm, including stereoplasm kernel (2), microprocessor (5), memory (6) and power (9), touch-control display screen (7) set up the one end at elastomer shell (1) major axis direction, reminiscences (8) set up the other end at elastomer shell (1) major axis direction, and pressure sensor (4), memory (6), touch-control display screen (7) and reminiscences (8) are connected with microprocessor (5) respectively, power (9) are connected with microprocessor (5), touch-control display screen (7) and reminiscences (8) respectively and are in order to supply power.

2. The arteriovenous fistula exercise pressure ball of claim 1, wherein: the spring (3) is a conical spring, the big head end of the conical spring is connected with the inner wall of the elastic body shell (1), and the small head end of the conical spring is connected with the pressure sensor (4) on the outer surface of the hard inner core (2).

3. The arteriovenous internal fistula exercising pressure ball as claimed in claim 1, wherein: the surface of the elastomer shell (1) is integrally provided with a middle hoop lantern ring (1 a).

4. The arteriovenous internal fistula exercising pressure ball as claimed in claim 1, wherein: the elastic body shell (1) comprises two half shells which are connected in an adhesive manner; the hard inner core (2) comprises two half core shells which are fixedly connected through screws.

5. The arteriovenous fistula exercise pressure ball of claim 1, wherein: the inner end of the spring (3) is welded with a first connecting sheet (11), and the first connecting sheet (11) is abutted against and fixedly connected with the pressure sensor (4).

6. The arteriovenous internal fistula exercising pressure ball as claimed in claim 1, wherein: second connection piece (12) have been welded to spring (3) outer end, fixedly connected with supporting shoe (13) on second connection piece (12), the surface of supporting shoe (13) is the convex arc shape and laminates with the internal surface shape of elastomer shell (1), and the surface of supporting shoe (13) is fixed with the internal surface bonding of elastomer shell (1).

7. The arteriovenous fistula exercise pressure ball of claim 1, wherein: the pressure ball further comprises a communication module (10), and the communication module (10) is connected with the microprocessor (5).

8. The arteriovenous internal fistula exercising pressure ball as claimed in claim 7, wherein: the communication module (10) is one or a combination of a plurality of Bluetooth modules, WIFI modules and 5G modules.

9. The arteriovenous internal fistula exercising pressure ball as claimed in claim 1, wherein: the reminder (8) is an audible and visual alarm.

10. The arteriovenous fistula exercise pressure ball of claim 1, wherein: the pressure sensor (4) adopts a film pressure sensor, and the power supply (9) adopts a rechargeable lithium battery.