Rapid taking-out device for prosthetic socket

Abstract

The utility model discloses a device for quickly taking out an artificial limb socket, which comprises a socket outer layer and a socket inner layer, the inner wall of the socket outer layer is matched and connected with the socket inner layer, the socket inner layer is made of flexible material, the bottom of the socket inner layer is provided with a connecting locking block, and the connecting locking block is connected with the socket outer layer. The upper end of the connecting locking block is connected to the receiving cavity inner layer, the lower end of the connecting locking block is detachably connected to the receiving cavity outer layer, a locking hole is formed in the bottom of the receiving cavity outer layer, a locking key is arranged in the locking hole, a locking mechanism fixedly connected with the receiving cavity inner layer and the locking block is arranged in the locking block, and the locking key is detachably connected to the receiving cavity inner layer. The locking key is connected with the locking mechanism in a matched mode and controls the locking mechanism to conduct locking. Through the structural design of the locking block and the locking mechanism, the connection relation of the receiving cavity inner layer, the receiving cavity outer layer and the locking block can be controlled, connection and disconnection can be freely controlled, the internal structure can be conveniently cleaned, bacterium breeding is not likely to be caused, and safety and health are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of prostheses, in particular to a device for quickly removing a prosthesis receiving cavity. Background Art

[0002] A prosthesis, also known as a "prosthetic limb," is an artificial limb designed and manufactured using engineering techniques to replace the functions of an amputee or incomplete limb loss. Its primary function is to replace some of the functions of a lost limb, allowing amputees to regain a certain level of independence and work ability.

[0003] The prosthetic socket can comfortably accommodate the residual limb and effectively transmit the relevant forces to the distal part of the prosthesis. It is the interface component of the human body mechanical system.

[0004] It is inevitable that the prosthesis will get dirty during normal use. The dirt on the outside can be wiped off, but the inside is not easy to clean and is more prone to bacterial growth. Therefore, the inner layer of the prosthesis needs to be replaced and cleaned in a timely manner. Utility Model Content

[0005] The purpose of the utility model is to provide a prosthetic limb receiving cavity quick removal device to overcome the deficiencies in the prior art.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] The present application discloses a quick removal device for a prosthetic limb receiving cavity, comprising an outer layer of the receiving cavity and an inner layer of the receiving cavity. The inner wall of the outer layer of the receiving cavity cooperates with and is connected to the inner layer of the receiving cavity. The inner layer of the receiving cavity is made of a flexible material. A connecting locking block is provided at the bottom of the inner layer of the receiving cavity. The upper end of the connecting locking block is connected to the inner layer of the receiving cavity, and the lower end is detachably connected to the outer layer of the receiving cavity. A locking hole is provided at the bottom of the outer layer of the receiving cavity. A locking key is provided in the locking hole. A locking mechanism for fixedly connecting the inner layer of the receiving cavity and the locking block is provided in the locking block. The locking key cooperates with and is connected to the locking mechanism and controls the locking mechanism to lock.

[0008] Preferably, a spiral locking plate is provided at the bottom of the locking block, a spiral matching plate is provided at the bottom of the outer layer of the receiving cavity, a matching groove is provided on the spiral matching plate, and the matching groove is matched with and connected to the spiral locking plate.

[0009] Preferably, an insertion hole is provided at the bottom of the locking block, the locking key is inserted into the insertion hole, a connecting hole is provided in the insertion hole, the connecting hole faces the inner layer of the receiving cavity, a matching hole is provided in the inner layer of the receiving cavity, a connecting pin is provided in the matching hole, the connecting pin fixedly connects the connecting hole and the matching hole, and fixedly connects the inner layer of the receiving cavity and the locking block.

[0010] Preferably, an elastic spring is provided in the mating hole, one end of the elastic spring is connected to the mating hole, and the other end is connected to the connecting pin. An extension block is provided in the connecting hole, and the extension block is magnetically connected to the connecting pin. The locking key cooperates with the extension block, and the locking key controls the movement of the extension block and thereby drives the connecting pin to separate the connecting hole and the mating hole.

[0011] Preferably, the locking key is provided with a protrusion, which cooperates with the extension block and drives the extension block to move.

[0012] Preferably, a fixing buckle is connected to the outer layer of the receiving cavity, an inner buckle is connected to the inner side of the fixing buckle, and the inner buckle is connected to the inner layer of the receiving cavity.

[0013] Preferably, a through hole is provided on the fixing buckle, and a fixing ring is provided on the outer side of the outer layer of the receiving cavity. The fixing ring is rotatably connected to the outer side of the outer layer of the receiving cavity, and the fixing ring passes through the through hole and is connected to the through hole.

[0014] Beneficial effects of the utility model:

[0015] (1) Through the structural design of the locking block and the locking mechanism, the connection relationship between the inner layer of the receiving cavity, the outer layer of the receiving cavity, and the locking block can be controlled. The connection and disconnection can be freely controlled, the internal structure can be easily cleaned, and it is not easy to cause bacteria to grow, ensuring safety and health.

[0016] The features and advantages of the present invention will be described in detail through embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of a prosthetic socket quick removal device of the utility model;

[0018] Figure 2 This is a schematic diagram of the planar structure of an embodiment of the present utility model from a first viewing angle;

[0019] Figure 3 This is a schematic diagram of the planar structure of an embodiment of the present utility model from a second viewing angle;

[0020] Figure 4 It is an embodiment of the present utility model Figure 3 Schematic diagram of the structural cross-section at AA in FIG;

[0021] Figure 5 It is an embodiment of the present utility model Figure 3 Schematic diagram of the cross-sectional structure at BB in FIG;

[0022] Figure 6 It is a partial structural perspective cross-sectional schematic diagram of an embodiment of the present utility model;

[0023] In the figure: 1. Outer layer of the receiving cavity; 101. Matching groove; 102. Locking hole; 2. Inner layer of the receiving cavity; 3. Locking block; 301. Connecting hole; 302. Extension block; 303. Connecting pin; 304. Elastic spring; 305. Matching hole; 306. Insertion hole; 4. Locking key; 5. Fixing ring; 6. Fixing buckle; 601. Inner buckle. DETAILED DESCRIPTION

[0024] To make the objectives, technical solutions, and advantages of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and technologies are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention.

[0025] See Figures 1 to 6 , an embodiment of the utility model provides a prosthetic limb receiving cavity quick removal device, including a receiving cavity outer layer 1 and a receiving cavity inner layer 2, the inner wall of the receiving cavity outer layer 1 cooperates with and is connected to the receiving cavity inner layer 2, the receiving cavity inner layer 2 is made of a flexible material, and a connecting locking block 3 is provided at the bottom of the receiving cavity inner layer 2, the upper end of the connecting locking block 3 is connected to the receiving cavity inner layer 2, and the lower end is detachably connected to the receiving cavity outer layer 1, a locking hole 102 is opened at the bottom of the receiving cavity outer layer 1, a locking key 4 is provided in the locking hole 102, and a locking mechanism for fixedly connecting the receiving cavity inner layer 2 and the locking block 3 is provided in the locking block 3, the locking key 4 cooperates with the locking mechanism and controls the locking mechanism to lock.

[0026] The inner layer 2 of the receiving cavity is connected to the locking block 3 through the locking mechanism, and then the locking block 3 is connected to the outer layer 1 of the receiving cavity to form a fixed connection.

[0027] A spiral locking plate is provided at the bottom of the locking block 3, and a spiral matching plate is provided at the bottom of the receiving cavity outer layer 1. A matching groove 101 is provided on the spiral matching plate, and the matching groove 101 matches and connects with the spiral locking plate.

[0028] An insertion hole 306 is provided at the bottom of the locking block 3, and the locking key 4 is inserted into the insertion hole 306. A connecting hole 301 is provided in the insertion hole 306, and the connecting hole 301 faces the receiving cavity inner layer 2. The receiving cavity inner layer 2 is provided with a matching hole 305, and a connecting pin 303 is provided in the matching hole 305. The connecting pin 303 is fixedly connected to the connecting hole 301 and the matching hole 305, thereby fixedly connecting the receiving cavity inner layer 2 and the locking block 3.

[0029] An elastic spring 304 is provided in the mating hole 305, one end of the elastic spring 304 is connected to the mating hole 305, and the other end is connected to the connecting pin 303. An extension block 302 is provided in the connecting hole 301, and the extension block 302 is magnetically connected to the connecting pin 303. The locking key 4 is matched with the extension block 302, and the locking key 4 controls the movement of the extension block 302 and thereby drives the connecting pin 303 to separate the connecting hole 301 and the mating hole 305.

[0030] The locking key 4 is provided with a protrusion, which cooperates with the extension block 302 and drives the extension block 302 to move.

[0031] The locking key 4 is rotated to bulge and squeeze the extension block 302 , which drives the connecting pin 303 to move. Then the connecting pin 303 can be pushed out of the connecting hole 301 , and the receiving cavity inner layer 2 can be separated from the locking block 3 .

[0032] A fixing buckle 6 is connected to the outer layer 1 of the receiving cavity, an inner buckle 601 is connected to the inner side of the fixing buckle 6, and the inner buckle 601 is connected to the inner layer 2 of the receiving cavity.

[0033] The fixing buckle 6 and the inner buckle 601 include pin fixing, thread fixing, and snap fixing, which are all conventional existing technologies and therefore will not be described in detail.

[0034] The fixing buckle 6 is provided with a through hole, and a fixing ring 5 is provided on the outside of the outer layer 1 of the receiving cavity. The fixing ring 5 is rotatably connected to the outside of the outer layer 1 of the receiving cavity, and the fixing ring 5 passes through the through hole and is connected to the through hole.

[0035] Working process of this utility model:

[0036] The present invention provides a quick removal device for a prosthetic socket. When disassembling, the locking key 4 is inserted into the locking hole 102 at the bottom and then inserted into the interior of the locking block 3 through the insertion hole 306. The locking key 4 is rotated, and the protrusion squeezes the extension block 302. The extension block 302 drives the connecting pin 303 to move. Then, the connecting pin 303 can be pushed out of the connecting hole 301. At this time, the bottom of the socket inner layer 2 is lifted or pressed down, and the magnetically connected connecting pin 303 and the extension block 302 are separated, and the socket inner layer 2 and the locking block 3 can be separated.

[0037] Then rotate the locking block 3 to separate the spiral matching plate at the bottom of the locking block 3 from the matching groove 101, and then the locking block 3 can be removed;

[0038] Then rotate the fixing ring 5 to separate the fixing ring 5 from the perforation on the fixing buckle 6, and then separate the inner buckle 601 from the fixing buckle 6, so that the inner layer 2 of the receiving cavity can be separated from the outer layer 1 of the receiving cavity.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements or improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A quick removal device for a prosthetic socket, characterized by: The invention comprises a receiving cavity outer layer (1) and a receiving cavity inner layer (2), wherein the inner wall of the receiving cavity outer layer (1) cooperates with and is connected to the receiving cavity inner layer (2), the receiving cavity inner layer (2) is made of a flexible material, and a connecting locking block (3) is provided at the bottom of the receiving cavity inner layer (2), the upper end of the connecting locking block (3) is connected to the receiving cavity inner layer (2), and the lower end is detachably connected to the receiving cavity outer layer (1), a locking hole (102) is provided at the bottom of the receiving cavity outer layer (1), a locking key (4) is provided in the locking hole (102), a locking mechanism for fixedly connecting the receiving cavity inner layer (2) and the locking block (3) is provided in the locking block (3), and the locking key (4) cooperates with the locking mechanism and controls the locking mechanism to lock.

2. The prosthetic socket quick removal device according to claim 1, characterized in that: A spiral locking plate is provided at the bottom of the locking block (3), a spiral matching plate is provided at the bottom of the receiving cavity outer layer (1), a matching groove (101) is provided on the spiral matching plate, and the matching groove (101) is matched with and connected to the spiral locking plate.

3. The prosthetic socket quick removal device according to claim 1, characterized in that: An insertion hole (306) is provided at the bottom of the locking block (3), the locking key (4) is inserted into the insertion hole (306), a connecting hole (301) is provided in the insertion hole (306), the connecting hole (301) faces the inner layer of the receiving cavity (2), the inner layer of the receiving cavity (2) is provided with a matching hole (305), a connecting pin (303) is provided in the matching hole (305), the connecting pin (303) is fixedly connected to the connecting hole (301) and the matching hole (305), and fixedly connects the inner layer of the receiving cavity (2) and the locking block (3).

4. The prosthetic socket quick removal device according to claim 3, characterized in that: An elastic spring (304) is provided in the matching hole (305), one end of the elastic spring (304) is connected to the matching hole (305), and the other end is connected to the connecting pin (303), an extension block (302) is provided in the connecting hole (301), the extension block (302) is magnetically connected to the connecting pin (303), the locking key (4) is matched with the extension block (302), and the locking key (4) controls the movement of the extension block (302) and thereby drives the connecting pin (303) to separate the connecting hole (301) and the matching hole (305).

5. The prosthetic socket quick removal device according to claim 4, characterized in that: The locking key (4) is provided with a protrusion, which cooperates with the extension block (302) and drives the extension block (302) to move.

6. The prosthetic socket quick removal device according to claim 1, characterized in that: The outer layer (1) of the receiving cavity is connected to a fixing buckle (6), the inner side of the fixing buckle (6) is connected to an inner buckle (601), and the inner buckle (601) is connected to the inner layer (2) of the receiving cavity.

7. The prosthetic socket quick removal device according to claim 6, characterized in that: The fixing buckle (6) is provided with a through hole, and a fixing ring (5) is provided on the outside of the receiving cavity outer layer (1). The fixing ring (5) is rotatably connected to the outside of the receiving cavity outer layer (1), and the fixing ring (5) passes through the through hole and is connected to the through hole.

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