CN213723973U - Arm brace for hemodialysis - Google Patents

Abstract

An arm brace for hemodialysis comprises a bottom plate, a hand wheel, a support plate, a sliding plate, a plurality of groups of guide rods, two groups of fixed blocks, a plurality of groups of support rods and a threaded rod; a placing plate is arranged on the bottom plate; the two groups of fixed blocks are connected with the bottom plate and are rotationally connected with the supporting plate through two groups of rotating shafts; a plurality of groups of clamping components for clamping a plurality of groups of arteriovenous pipelines, a shell and a fixing plate are arranged on the supporting plate; a rotating shaft is rotatably arranged in the shell; the rotating shaft penetrates out of the shell to be connected with a hand wheel; the guide rods are distributed side by side, and two ends of each guide rod are respectively connected with the shell and the fixing plate; the threaded rod is parallel to the plurality of groups of guide rods, and two ends of the threaded rod are respectively connected with the shell and the fixed plate in a rotating mode and are connected with the rotating shaft in a transmission mode; the sliding plate is in threaded fit with the threaded rod and is connected with a plurality of groups of guide rods in a sliding manner; two ends of the plurality of groups of support rods are respectively movably connected with the sliding plate and the support plate. The utility model discloses the convenience supports dialysis in-process patient's arm to can improve patient's comfort level.

Description

Arm brace for hemodialysis

Technical Field

The utility model relates to an arm brace technical field especially relates to an arm brace for hemodialysis.

Background

Hemodialysis is one of the kidney replacement treatment modes of patients with acute and chronic renal failure; in the hemodialysis, in the process of draining blood in vivo to the outside of a human body, the blood and electrolyte solution (dialysate) with similar body concentration are arranged inside and outside one hollow fiber through a dialyzer consisting of a plurality of hollow fibers, and the substances are exchanged through the principles of dispersion, ultrafiltration, adsorption and convection, so that metabolic waste in the human body is removed, and the balance of electrolyte and acid-base is maintained; meanwhile, excessive water in the body is removed, and purified blood is returned; at present, when most dialysis patients clinically carry out dialysis treatment, the upper limb arteriovenous internal fistula puncture is adopted, the upper arm of the elbow of the patient is obviously stressed in the dialysis treatment process of the patient, in addition, the dialysis time of each time is long, if the arm of the patient keeps a posture for a long time, the arm muscle of the patient is stiff, the patient feels pain, and if the patient randomly moves the arm, the intravenous fistula puncture needle is easy to fall off or slide out of a blood vessel to cause internal fistula blood exosmosis or blood loss; therefore, the application provides an arm brace for hemodialysis.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides an arm brace for hemodialysis, the utility model is simple in operation, convenient arm to dialysis in-process patient supports and can carry out the centre gripping to the quiet vascular of moving that dialyses the use and fix, comfort level when can improving patient's dialysis.

(II) technical scheme

In order to solve the problems, the utility model provides an arm brace for hemodialysis, which comprises a bottom plate, a hand wheel, a shell, a support plate, a sliding plate, a plurality of groups of guide rods, a fixed plate, two groups of fixed blocks, a plurality of groups of support rods, a rotating shaft, a threaded rod and two groups of rotating shafts;

a placing plate for placing the elbow of the patient is arranged on the bottom plate; the two groups of fixed blocks are distributed side by side and are connected with the bottom plate; one end of each of the two groups of rotating shafts is respectively and rotatably connected with the end faces, close to each other, of the two groups of fixing blocks, and the other end of each of the two groups of rotating shafts is respectively connected with the end faces, far away from each other, of the two groups of side ends of the supporting plate; a plurality of groups of clamping components for clamping a plurality of groups of arteriovenous pipelines are arranged on the supporting plate;

the shell and the fixed plate are distributed side by side along the length direction of the supporting plate and are connected with the bottom plate; the guide rods are distributed side by side, and two ends of each guide rod are respectively connected with the shell and the fixing plate;

the threaded rod is parallel to the plurality of groups of guide rods, and two ends of the threaded rod are respectively and rotatably connected with the shell and the fixed plate;

the rotating shaft is positioned in the shell, two ends of the rotating shaft are rotatably connected with the inner wall of the shell, any end of the rotating shaft penetrates through the shell and is connected with the hand wheel, the rotating shaft is in transmission connection with the threaded rod, and the central axis of the rotating shaft is perpendicular to the central axis of the threaded rod;

the sliding plate is in threaded fit with the threaded rod and is connected with a plurality of groups of guide rods in a sliding manner;

the multiunit bracing piece evenly distributed side by side, the equal swing joint sliding plate of one end of multiunit bracing piece, the equal swing joint backup pad of the other end of multiunit bracing piece is towards the terminal surface of bottom plate.

Preferably, the lower end surface of the bottom plate is provided with a plurality of groups of supporting legs.

Preferably, each group of supporting legs is made of rubber materials.

Preferably, the end surface of the placing plate is provided with a placing groove for accommodating the elbow of the patient; the inner diameter of the placement groove is gradually reduced along the central axis direction thereof.

Preferably, the end surface of the placing plate is provided with a first elastic pad; the end face of the first elastic cushion is provided with a first waterproof layer.

Preferably, the end face of the supporting plate, which is far away from the bottom plate, is provided with a second elastic pad; the end face of the second elastic cushion is provided with a second waterproof layer.

Preferably, the device also comprises a control box and a heat-conducting plate; wherein, the end surface of the supporting plate is provided with a first groove; the bottom surface of the first groove is provided with a second groove;

the heat conducting plate is positioned in the first groove, and the end face, facing the bottom face of the first groove, of the heat conducting plate is connected with the bottom face of the first groove; wherein, a heating chamber is enclosed between the heat conducting plate and the inner wall of the second groove; a plurality of groups of heating devices and temperature sensors are arranged in the heating bin;

the control box is connected with the supporting plate, a key module and a display screen are arranged on the control box, and a circuit board is arranged in the control box; the circuit board is provided with a microprocessor; the microprocessor, the key module, the display screen, the plurality of groups of heating devices and the temperature sensor are electrically connected.

Preferably, a plurality of groups of fastening pieces are further included; wherein, the bottom surface of the first groove is uniformly provided with a plurality of groups of threaded blind holes; the heat conducting plate is provided with a plurality of groups of counter bores;

the plurality of groups of fastening pieces respectively penetrate through the plurality of groups of counter bores and are screwed into the plurality of groups of threaded blind holes; wherein, the terminal surface of heat-conducting plate is parallel and level with the terminal surface of backup pad.

Preferably, each group of clamping components comprises a U-shaped plate, a clamping plate, a rotating rod and a handle;

the U-shaped plate is connected with the supporting plate, the notch of the U-shaped plate is far away from the supporting plate, and the end surface of the U-shaped plate, which is perpendicular to the end surface of the supporting plate, is provided with a threaded hole;

the handle is connected to the one end of rotary rod, and the other end screw-thread fit connection screw hole of rotary rod passes the screw hole, and the other end of rotary rod rotates and connects the grip block.

Preferably, the end face of the clamping plate, which is far away from the rotating rod, is set to be an inwardly concave curved surface and is provided with a protective layer.

The above technical scheme of the utility model has following profitable technological effect:

when the utility model is used, the bottom plate is placed on the table top, the elbow is placed on the placing plate, the arm is placed on the supporting plate, and a plurality of groups of arteriovenous pipelines for dialysis in a plurality of groups of clamping components are used for clamping and fixing; after a period of time, rotating the hand wheel to drive the rotating shaft to rotate; the rotating shaft drives the threaded rod to rotate through the bevel gear set; the threaded rod is in threaded fit with the sliding plate, so that the sliding plate moves along the central axis direction of the guide rods, the support rods are driven to rotate around the joints of the support rods and the support plates, the inclination angle of the support plates can be adjusted, and discomfort of a patient caused by the fact that the arms of the patient are in the same state for a long time is avoided;

in addition, the movable and static vessels are placed in the groove opening of the U-shaped plate, the rotating rod is rotated by using the handle, the clamping plate moves towards the movable and static vessels and clamps the movable and static vessels, and the movable and static vessels connected with a patient are prevented from falling off when the angle of the supporting plate is adjusted; the end face of the placing plate is heated through the heating device arranged on the placing plate, so that the comfort degree of the arm of the patient placed on the placing plate is improved.

Drawings

Fig. 1 is a schematic perspective view of an arm brace for hemodialysis according to the present invention.

Fig. 2 is a front view of the arm brace for hemodialysis.

Fig. 3 is a schematic structural view of the arm brace for hemodialysis, in which the housing and the fixing plate are installed in a matching manner.

Fig. 4 is a schematic structural view of the supporting plate and the heat-conducting plate installed in cooperation in the arm brace for hemodialysis.

Fig. 5 is a schematic perspective view of a support plate of an arm brace for hemodialysis.

Fig. 6 is a schematic structural view of a portion a of the arm brace for hemodialysis being enlarged.

Fig. 7 is a schematic structural view of a clamping assembly in an arm brace for hemodialysis.

Reference numerals: 1. a base plate; 2. a hand wheel; 3. a housing; 4. a support plate; 5. a sliding plate; 6. a guide bar; 7. a fixing plate; 8. a fixed block; 9. placing the plate; 10. a placement groove; 11. a support bar; 12. supporting legs; 13. a rotating shaft; 14. a threaded rod; 15. a first groove; 16. a second groove; 17. a threaded blind hole; 18. a heat conducting plate; 19. a heating chamber; 20. a heating device; 21. a temperature sensor; 22. a clamping assembly; 221. a U-shaped plate; 222. a clamping plate; 223. rotating the rod; 224. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-7, the arm brace for hemodialysis provided by the present invention comprises a bottom plate 1, a hand wheel 2, a housing 3, a support plate 4, a sliding plate 5, a plurality of guide rods 6, a fixing plate 7, two sets of fixing blocks 8, a plurality of support rods 11, a rotating shaft 13, a threaded rod 14 and two sets of rotating shafts;

a placing plate 9 for placing the elbow of the patient is arranged on the bottom plate 1;

the two groups of fixing blocks 8 are distributed side by side, and the two groups of fixing blocks 8 are connected with the bottom plate 1; one ends of the two groups of rotating shafts are respectively and rotatably connected with the mutually close end surfaces of the two groups of fixing blocks 8, and the other ends of the two groups of rotating shafts are respectively connected with the mutually far two groups of side end surfaces of the supporting plate 4; a plurality of groups of clamping components 22 for clamping a plurality of groups of arteriovenous pipelines are arranged on the supporting plate 4;

the shell 3 and the fixing plate 7 are distributed side by side along the length direction of the supporting plate 4 and are connected with the bottom plate 1; the guide rods 6 are distributed side by side, and two ends of each guide rod 6 are respectively connected with the shell 3 and the fixing plate 7;

the threaded rod 14 is parallel to the plurality of groups of guide rods 6, and two ends of the threaded rod 14 are respectively and rotatably connected with the shell 3 and the fixed plate 7;

the rotating shaft 13 is positioned in the shell 3, two ends of the rotating shaft 13 are rotatably connected with the inner wall of the shell 3, any end of the rotating shaft 13 penetrates through the shell 3 and is connected with the hand wheel 2, the rotating shaft 13 is in transmission connection with the threaded rod 14 through the bevel gear set, and the central axis of the rotating shaft 13 is perpendicular to the central axis of the threaded rod 14; the hand wheel 2 is positioned at one side of the bottom plate 1, so that the hand wheel 2 is convenient to drive the threaded rod 14 and the rotating shaft 13 to rotate;

the sliding plate 5 is in threaded fit with the threaded rod 14, and the sliding plate 5 is in sliding connection with a plurality of groups of guide rods 6; it should be noted that the sliding plate 5 is provided with a threaded hole for connecting the threaded rod 14 in a threaded fit manner, and a through hole for the multiple groups of guide rods 6 to pass through in a sliding manner;

the multiple groups of supporting rods 11 are evenly distributed side by side, one ends of the multiple groups of supporting rods 11 are movably connected with the sliding plate 5, and the other ends of the multiple groups of supporting rods 11 are movably connected with the end face of the supporting plate 4 facing the bottom plate 1.

In the utility model, when in use, the bottom plate 1 is placed on the table top, the elbow is placed on the placing plate 9, the arm is placed on the supporting plate 4, and the plurality of groups of arteriovenous pipelines for dialysis in the plurality of groups of clamping components 22 are used for clamping and fixing; after a period of time, the rotating hand wheel 2 is rotated to drive the rotating shaft 13 to rotate; the rotating shaft 13 drives the threaded rod 14 to rotate through the bevel gear set; the threaded rod 14 is in threaded fit with the sliding plate 5, so that the sliding plate 5 moves along the central axis direction of the plurality of groups of guide rods 6, the plurality of groups of support rods 11 are driven to rotate by taking the joints of the support rods and the support plates 4 as centers, and the inclination angles of the support plates 4 can be adjusted, so that the discomfort of the patient caused by the fact that the arms of the patient are in the same state for a long time is avoided; the multi-group arteriovenous pipeline is clamped and fixed, so that the pipeline cannot fall off, and the device is more convenient.

In an alternative embodiment, the lower end surface of the bottom plate 1 is provided with a plurality of groups of supporting feet 12; each group of supporting legs 12 is made of rubber;

the lower end face of the bottom plate 1 is provided with a plurality of groups of supporting legs 12 made of rubber materials, so that the stability of the bottom plate 1 is improved.

In an alternative embodiment, the end face of the resting plate 9 is provided with a resting groove 10 for receiving the elbow of the patient; the inner diameter of the placing groove 10 is gradually reduced along the central axis direction, the elbow of the patient is placed through the placing groove 10, and a certain limiting effect is started, so that the arm of the patient is prevented from shaking randomly;

furthermore, a bandage for fixing the arm of the patient is also provided on the support plate 4.

In an alternative embodiment, the front face of the resting plate 9 is provided with a first elastic pad to improve the comfort of the patient's elbow resting on the resting plate 9; the end face of the first elastic cushion is provided with a first waterproof layer.

In an alternative embodiment, the end surface of the supporting plate 4 far away from the bottom plate 1 is provided with a second elastic pad to improve the comfort of the arm of the patient on the supporting plate 4; the end face of the second elastic cushion is provided with a second waterproof layer.

In an alternative embodiment, a control box and heat-conducting plate 18 are also included; wherein, the end surface of the supporting plate 4 is provided with a first groove 15; the bottom surface of the first groove 15 is provided with a second groove 16;

the heat conducting plate 18 is positioned in the first groove 15, and the end surface of the heat conducting plate 18 facing the bottom surface of the first groove 15 is connected with the bottom surface of the first groove 15; wherein, a heating chamber 19 is enclosed between the heat conducting plate 18 and the inner wall of the second groove 16; a plurality of groups of heating devices 20 and temperature sensors 21 are arranged in the heating bin 19;

the control box is connected with the supporting plate 4, a key module and a display screen are arranged on the control box, and a circuit board is arranged in the control box; the circuit board is provided with a microprocessor; the microprocessor, the key module, the display screen, the plurality of groups of heating devices 20 and the temperature sensor 21 are electrically connected; the microprocessor is controlled and connected with a plurality of groups of heating devices 20, and is respectively in communication connection with the key module, the display screen and the temperature sensor 21;

heat in to the heated warehouses 19 through multiunit heating device 20 that is equipped with, and then heat to heat-conducting plate 18, patient's arm is placed on heat-conducting plate 18 to heat patient's arm, when making ambient temperature lower, keep warm to patient's arm through heat-conducting plate 18, with the comfort level that improves the patient.

In an optional embodiment, a plurality of sets of fasteners are also included; wherein, the bottom surface of the first groove 15 is uniformly provided with a plurality of groups of threaded blind holes 17; the heat conducting plate 18 is provided with a plurality of groups of counter bores;

the plurality of groups of fastening pieces respectively penetrate through the plurality of groups of counter bores and are screwed into the plurality of groups of threaded blind holes 17; wherein, the end surface of the heat conducting plate 18 is flush with the end surface of the supporting plate 4;

the heat-conducting plate 18 and the supporting plate 4 are installed through the plurality of groups of the fastening pieces, and then the heat-conducting plate 18 is conveniently disassembled and assembled.

In an alternative embodiment, each set of gripping elements 22 comprises u-shaped plate 221, gripping plate 222, rotating rod 223 and handle 224;

the U-shaped plate 221 is connected with the support plate 4, the notch of the U-shaped plate 221 is far away from the support plate 4, and the end surface of the U-shaped plate 221, which is perpendicular to the end surface of the support plate 4, is provided with a threaded hole;

one end of the rotating rod 223 is connected with the handle 224, the other end of the rotating rod 223 is in threaded fit with the threaded hole and penetrates through the threaded hole, and the other end of the rotating rod 223 is rotatably connected with the clamping plate 222;

when the U-shaped plate is used, the moving and static vessels are placed in the groove opening of the U-shaped plate 221, the rotating rod 223 is rotated by using the handle 224, the clamping plate 222 moves towards the moving and static vessels and clamps the moving and static vessels, and the moving and static vessels connected with a patient are prevented from falling off when the angle of the supporting plate 4 is adjusted.

In an alternative embodiment, the end surface of the clamping plate 222 away from the rotating rod 223 is provided with an inwardly concave curved surface to improve the clamping effect of the clamping plate 222 on the arteriovenous, and the end surface of the clamping plate 222 away from the rotating rod 223 is provided with a protective layer.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (10)

1. An arm brace for hemodialysis is characterized by comprising a bottom plate (1), a hand wheel (2), a shell (3), a support plate (4), a sliding plate (5), a plurality of groups of guide rods (6), a fixed plate (7), two groups of fixed blocks (8), a plurality of groups of support rods (11), a rotating shaft (13), a threaded rod (14) and two groups of rotating shafts;

a placing plate (9) for placing the elbow of the patient is arranged on the bottom plate (1); the two groups of fixed blocks (8) are distributed side by side and are connected with the bottom plate (1); one end of each of the two groups of rotating shafts is respectively and rotatably connected with the end surfaces, close to each other, of the two groups of fixing blocks (8), and the other end of each of the two groups of rotating shafts is respectively connected with the end surfaces, far away from each other, of the two groups of side ends of the supporting plate (4); a plurality of groups of clamping components (22) for clamping a plurality of groups of arteriovenous pipelines are arranged on the supporting plate (4);

the shell (3) and the fixing plate (7) are distributed side by side along the length direction of the supporting plate (4) and are connected with the bottom plate (1); the guide rods (6) are distributed side by side, and two ends of each guide rod (6) are respectively connected with the shell (3) and the fixing plate (7);

the threaded rod (14) is parallel to the multiple groups of guide rods (6), and two ends of the threaded rod (14) are respectively and rotatably connected with the shell (3) and the fixed plate (7);

the rotating shaft (13) is positioned in the shell (3), two ends of the rotating shaft (13) are rotatably connected with the inner wall of the shell (3), any end of the rotating shaft (13) penetrates through the shell (3) and is connected with the hand wheel (2), the rotating shaft (13) is in transmission connection with the threaded rod (14), and the central axis of the rotating shaft (13) is perpendicular to the central axis of the threaded rod (14);

the sliding plate (5) is in threaded fit with the threaded rod (14), and the sliding plate (5) is in sliding connection with a plurality of groups of guide rods (6);

the multiple groups of supporting rods (11) are evenly distributed side by side, one ends of the multiple groups of supporting rods (11) are movably connected with the sliding plates (5), and the other ends of the multiple groups of supporting rods (11) are movably connected with the end faces of the supporting plates (4) towards the bottom plate (1).

2. The arm brace for hemodialysis according to claim 1, wherein the lower end surface of the base plate (1) is provided with a plurality of sets of support legs (12).

3. The arm brace for hemodialysis of claim 2, wherein each set of support legs (12) is made of rubber.

4. The arm brace for hemodialysis according to claim 1, wherein a placement groove (10) for receiving the elbow of the patient is provided on the end surface of the placement plate (9); the inner diameter of the placement groove (10) is gradually reduced along the central axis direction thereof.

5. The arm brace for hemodialysis of claim 4, wherein the end surface of the placing plate (9) is provided with a first elastic pad; the end face of the first elastic cushion is provided with a first waterproof layer.

6. The arm brace for hemodialysis of claim 1, wherein the end of the support plate (4) away from the base plate (1) is provided with a second elastic pad; the end face of the second elastic cushion is provided with a second waterproof layer.

7. An arm brace for hemodialysis according to claim 1, further comprising a control box and a heat conducting plate (18); wherein, the end surface of the supporting plate (4) is provided with a first groove (15); a second groove (16) is arranged on the bottom surface of the first groove (15);

the heat conducting plate (18) is positioned in the first groove (15), and the end face, facing the bottom face of the first groove (15), of the heat conducting plate (18) is connected with the bottom face of the first groove (15); wherein a heating chamber (19) is enclosed between the heat conducting plate (18) and the inner wall of the second groove (16); a plurality of groups of heating devices (20) and temperature sensors (21) are arranged in the heating bin (19);

the control box is connected with the supporting plate (4), a key module and a display screen are arranged on the control box, and a circuit board is arranged in the control box; the circuit board is provided with a microprocessor; the microprocessor, the key module, the display screen, the plurality of groups of heating devices (20) and the temperature sensor (21) are electrically connected.

8. The arm brace for hemodialysis of claim 7, further comprising a plurality of sets of fasteners; wherein, the bottom surface of the first groove (15) is uniformly provided with a plurality of groups of threaded blind holes (17); a plurality of groups of counter bores are arranged on the heat conducting plate (18);

the plurality of groups of fastening pieces respectively penetrate through the plurality of groups of counter bores and are screwed into the plurality of groups of threaded blind holes (17); wherein the end surface of the heat conducting plate (18) is flush with the end surface of the supporting plate (4).

9. Arm brace for hemodialysis, according to claim 1, wherein each set of clamping elements (22) comprises a U-shaped plate (221), a clamping plate (222), a rotating rod (223), and a handle (224);

the U-shaped plate (221) is connected with the supporting plate (4), the notch of the U-shaped plate (221) is far away from the supporting plate (4), and the end surface of the U-shaped plate (221) perpendicular to the end surface of the supporting plate (4) is provided with a threaded hole;

one end of the rotating rod (223) is connected with the handle (224), the other end of the rotating rod (223) is in threaded fit with the threaded hole and penetrates through the threaded hole, and the other end of the rotating rod (223) is rotatably connected with the clamping plate (222).

10. The arm brace for hemodialysis of claim 9, wherein the end surface of the holding plate (222) away from the rotating rod (223) is formed as an inwardly concave curved surface and is provided with a protective layer.

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