Stable upper arm bionic artificial limb

Abstract

The utility model discloses a stable upper arm bionic artificial limb which comprises an artificial limb body, connecting blocks are fixedly connected to the outer walls of the two sides of the artificial limb body, first fixing columns are fixedly connected to the tops of the two connecting blocks, and sliding seats are slidably connected to the circumferential outer walls of the two first fixing columns. And telescopic rods are fixedly connected to the adjacent sides of the two sliding seats, clamping plates are fixedly connected to the adjacent sides of the two telescopic rods, and locking assemblies enabling the two clamping plates to clamp the upper arm are arranged on the two sides of the two clamping plates. According to the utility model, the artificial limb can be prevented from being contacted with a table top to cause contraction, the artificial limb has better stability, the use effect of the artificial limb is improved, bedsores on the upper arm of a patient can be avoided, the use effect of the artificial limb is further improved, blood circulation of the upper arm of the patient can be promoted, and the patient can wear the artificial limb more comfortably; and the wearing comfort of the artificial limb is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of prostheses, in particular to a stable upper arm bionic prosthesis. Background Art

[0002] Bionic prosthesis is an artificial limb that combines bionics and electronic functions, that is, using electronic functions to enhance the biological functions of artificial prostheses.

[0003] After searching, a Chinese patent with publication number CN210541948U discloses an upper arm prosthesis that is easy to fix, including a frame, a No. 1 fixing frame and a No. 2 fixing frame. The No. 1 fixing frame and the No. 2 fixing frame have outer walls on opposite sides provided with connecting springs. At the same time, the No. 1 fixing frame and the No. 2 fixing frame are provided with ventilation holes to improve the comfort of the fixing device. However, the following defects still exist: after the length is adjusted, since there is no fixing mechanism, when the prosthesis touches the table, it is easy for the hand to shrink upwards, thereby causing the length of the prosthesis to change. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a stable upper arm bionic prosthesis.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A stable upper arm bionic prosthesis comprises a prosthetic body, both side outer walls of the prosthetic body are fixedly connected with connecting blocks, the tops of the two connecting blocks are fixedly connected with first fixing columns, the circumferential outer walls of the two first fixing columns are slidably connected with sliding seats, the adjacent sides of the two sliding seats are fixedly connected with telescopic rods, the adjacent sides of the two telescopic rods are fixedly connected with splints, both sides of the two splints are provided with locking components for clamping the upper arms with the two splints, one side of the two sliding seats is fixedly connected with a spring, one end of the spring is fixedly connected with a latch, one side of the two first fixing columns is provided with a plurality of sockets, and the latch passes through the sliding seat and is plugged into one of the sockets.

[0007] As a further solution of the utility model, the locking assembly includes two fixing plates, the two fixing plates are respectively fixedly connected to the two sides of one of the clamping plates, and the two sides of the other clamping plate are fixedly connected to connecting plates, a rotating hole is opened on one side of the connecting plate, a threaded rod is rotatably connected in the rotating hole, and the threaded rod passes through the fixing plate and is threadedly connected to the fixing plate.

[0008] As a further solution of the utility model, two first fixing blocks are fixedly connected to both sides of one of the splints, and one side of the two first fixing blocks is fixedly connected to a second fixing column, and two second fixing blocks are fixedly connected to both sides of the other splint, and the second fixing column passes through the second fixing block.

[0009] As a further solution of the utility model, the fixing plate is located between the two first fixing blocks, and the connecting plate is located between the two second fixing blocks.

[0010] As a further solution of the utility model, a pull ring for pulling the bolt to move is fixedly connected to one side of the bolt.

[0011] As a further solution of the utility model, one end of the threaded rod is fixedly connected to a knob for rotating the threaded rod.

[0012] As a further solution of the utility model, a plurality of air holes are provided on one side of the two clamping plates, and a plurality of rubber balls are fixedly connected to adjacent sides of the two clamping plates.

[0013] As a further solution of the utility model, the bottoms of the two connecting blocks are fixedly connected with fixing ribs, and the fixing ribs are fixed to the prosthesis body.

[0014] The beneficial effects of the utility model are:

[0015] 1. By using the pin and the first fixing column in coordination, the prosthesis body is pulled to move, and the prosthesis body will drive the first fixing column to move through the connecting block, thereby adjusting the length of the prosthesis. When the prosthesis is adjusted to a suitable length, the pin is inserted into the socket on the first fixing column, so that the length of the prosthesis can be fixed to prevent the prosthesis from contacting the desktop and causing shrinkage, so that the prosthesis has better stability and improves the use effect of the prosthesis.

[0016] 2. By setting the ventilation holes, when the prosthesis is installed on the patient's upper arm, the ventilation holes can allow air to circulate between the splint and the patient's upper arm, thereby avoiding bedsores on the patient's upper arm and further improving the use effect of the prosthesis.

[0017] 3. Through the setting of the rubber ball, when the prosthesis is installed on the patient's upper arm, the rubber ball can promote blood circulation in the patient's upper arm, making the patient more comfortable wearing the prosthesis and improving the comfort of wearing the prosthesis. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the three-dimensional structure of a stable upper arm bionic prosthesis proposed by the utility model;

[0019] Figure 2This is a partial enlarged structural schematic diagram of a stable upper arm bionic prosthesis proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the enlarged structure of part A of a stable upper arm bionic prosthesis proposed by the utility model.

[0021] In the figure: 1. fixing rib; 2. connecting block; 3. first fixing column; 4. sliding seat; 5. socket; 6. splint; 7. air vent; 8. rubber ball; 9. prosthesis body; 10. first fixing block; 11. second fixing column; 12. second fixing block; 13. fixing plate; 14. threaded rod; 15. knob; 16. pull ring; 17. latch; 18. spring; 19. telescopic rod. DETAILED DESCRIPTION

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of the application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0023] Reference Figure 1-Figure 3 A stable upper arm bionic prosthesis comprises a prosthesis body 9, both side outer walls of the prosthesis body 9 are fixed with connecting blocks 2 by bolts, the tops of the two connecting blocks 2 are welded with first fixing columns 3, the circumferential outer walls of the two first fixing columns 3 are slidably connected with slide seats 4, the adjacent sides of the two slide seats 4 are fixed with telescopic rods 19 by bolts, the adjacent sides of the two telescopic rods 19 are fixed with clamping plates 6 by bolts, both sides of the two clamping plates 6 are provided with locking components for clamping the two clamping plates 6 to the upper arm, one side of the two slide seats 4 is welded with springs 18, one end of the spring 18 is welded with a latch 17, one side of the two first fixing columns 3 is provided with a plurality of sockets 5, and the latch 17 It passes through the slide seat 4 and is plugged into one of the sockets 5. The pin 17 is pulled to move. The pin 17 will stretch the spring 18 and disengage from the socket 5 on the first fixing column 3. Then the prosthesis body 9 is pulled to move. The prosthesis body 9 will drive the first fixing column 3 to move in the slide seat 4 through the connecting block 2, thereby lengthening the prosthesis body 9. When the prosthesis body 9 is stretched to a suitable length, the pin 17 is released. At this time, the pin 17 will be pulled to reset under the action of the spring 18, so that the pin 17 is inserted into the corresponding socket 5, thereby fixing the length of the prosthesis body 9, preventing the prosthesis from contacting the desktop and causing shrinkage, making the prosthesis have better stability, and improving the use effect of the prosthesis.

[0024] In the utility model, the locking assembly includes two fixing plates 13, which are respectively welded to the two sides of one of the splints 6, and connecting plates are welded to the two sides of the other splint 6. A rotating hole is opened on one side of the connecting plate, and a threaded rod 14 is rotatably connected in the rotating hole. The threaded rod 14 passes through the fixing plate 13 and is threadedly connected to the fixing plate 13, so that the patient's upper arm is located between the two splints 6. Then, the threaded rod 14 is rotated, and the threaded rod 14 drives the fixing plate 13 to move through the threaded engagement with the fixing plate 13. The fixing plate 13 drives the splint 6 connected thereto to move and stretch the telescopic rod 19, so that the two splints 6 clamp the patient's upper arm and install the prosthesis on the patient's upper arm. Two first fixing blocks 10 are welded to the two sides of one of the splints 6, and second fixing columns 11 are welded to one side of the two first fixing blocks 10. Two second fixing blocks 12 are welded to the two sides of the other splint 6, and the second fixing columns 11 pass through The second fixing block 12 and the fixing plate 13 are located between the two first fixing blocks 10, and the connecting plate is located between the two second fixing blocks 12. The moving splint 6 will drive the first fixing block 10 to move, and the first fixing block 10 will drive the second fixing column 11 to move. A pull ring 16 for pulling the plug 17 to move is welded on one side of the pin 17, and the plug 17 can be pulled to move by the pull ring 16. A knob 15 for rotating the threaded rod 14 is welded on one end of the threaded rod 14, and the threaded rod 14 can be rotated by the knob 15. A plurality of air holes 7 are provided on one side of the two splints 6, and the air holes 7 can allow air to circulate between the splints 6 and the patient's upper arms, thereby preventing bedsores from forming on the patient's upper arms. A plurality of rubber balls 8 are bonded to the adjacent sides of the two splints 6, and the rubber balls 8 can promote blood circulation in the patient's upper arms, making it more comfortable for the patient to wear the prosthesis. Fixed ribs 1 are welded on the bottoms of the two connecting blocks 2, and the fixed ribs 1 are fixed to the prosthesis body 9.

[0025] Working principle: when it is needed to use, pull the latch 17 to move, the latch 17 will stretch the spring 18 and disengage from the socket 5 on the first fixing column 3, and then pull the prosthesis body 9 to move, the prosthesis body 9 will drive the first fixing column 3 to move in the slide seat 4 through the connecting block 2, thereby lengthening the length of the prosthesis body 9, when the prosthesis body 9 is stretched to an appropriate length, release the latch 17, at this time, under the action of the spring 18, the latch 17 will be pulled to reset, so that the latch 17 is inserted into the corresponding socket 5, thereby fixing the length of the prosthesis body 9, preventing the prosthesis from contacting the desktop and causing shrinkage, so that the prosthesis has better stability and improves the use effect of the prosthesis, and then the patient's upper arm is located between the two splints 6, and then the threaded rod 14 is rotated. The threaded rod 14 will drive the fixing plate 13 to move through the threaded engagement with the fixing plate 13, and the fixing plate 13 will drive the splint 6 connected thereto to move, so that the two splints 6 clamp the patient's upper arm and install the prosthesis on the patient's upper arm.

[0026] The present invention has been described through the above-mentioned embodiments. Those skilled in the art will appreciate that the present invention is not limited to the above-mentioned embodiments, and more modifications may be made according to the teachings of the present invention. These modifications are all within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A stable upper arm bionic prosthesis, comprising a prosthesis body (9), characterized in that: The outer walls of both sides of the prosthesis body (9) are fixedly connected with connecting blocks (2), the tops of the two connecting blocks (2) are fixedly connected with first fixing columns (3), the circumferential outer walls of the two first fixing columns (3) are slidably connected with sliding seats (4), the adjacent sides of the two sliding seats (4) are fixedly connected with telescopic rods (19), the adjacent sides of the two telescopic rods (19) are fixedly connected with clamps (6), both sides of the two clamps (6) are provided with locking components for clamping the two clamps (6) to clamp the upper arms, one side of the two sliding seats (4) is fixedly connected with a spring (18), one end of the spring (18) is fixedly connected with a latch (17), one side of the two first fixing columns (3) is provided with a plurality of sockets (5), and the latch (17) passes through the sliding seat (4) and is plugged into one of the sockets (5).

2. A stable upper arm bionic prosthesis according to claim 1, characterized in that: The locking assembly comprises two fixing plates (13), the two fixing plates (13) are respectively fixedly connected to two sides of one of the clamping plates (6), and the other clamping plate (6) is fixedly connected to a connecting plate on both sides, and a rotating hole is opened on one side of the connecting plate, and a threaded rod (14) is rotatably connected in the rotating hole, and the threaded rod (14) passes through the fixing plate (13) and is threadedly connected to the fixing plate (13).

3. A stable upper arm bionic prosthesis according to claim 2, characterized in that: Two first fixing blocks (10) are fixedly connected to both sides of one of the clamping plates (6), and one side of the two first fixing blocks (10) is fixedly connected to a second fixing column (11); two second fixing blocks (12) are fixedly connected to both sides of the other clamping plate (6), and the second fixing column (11) passes through the second fixing block (12).

4. A stable upper arm bionic prosthesis according to claim 3, characterized in that: The fixing plate (13) is located between the two first fixing blocks (10), and the connecting plate is located between the two second fixing blocks (12).

5. A stable upper arm bionic prosthesis according to claim 1, characterized in that: A pull ring (16) for pulling the latch (17) to move is fixedly connected to one side of the latch (17).

6. A stable upper arm bionic prosthesis according to claim 2, characterized in that: One end of the threaded rod (14) is fixedly connected to a knob (15) for rotating the threaded rod (14).

7. A stable upper arm bionic prosthesis according to claim 1, characterized in that: One side of the two clamping plates (6) is provided with a plurality of air holes (7), and the adjacent sides of the two clamping plates (6) are fixedly connected with a plurality of rubber balls (8).

8. The stable upper arm bionic prosthesis according to claim 1, characterized in that: The bottoms of the two connection blocks (2) are fixedly connected with fixing ribs (1), and the fixing ribs (1) are fixed to the prosthesis body (9).

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