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Device for preventing dislocation of artificial hip joint, and using method thereof

A hip joint and artificial technology, applied in the direction of hip joints, joint implants, joint implants, etc., can solve problems such as dislocation and loosening, and achieve the effect of avoiding loosening or prolapse and high practical application value

Pending Publication Date: 2020-04-14
赵滨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a device for preventing artificial hip joint dislocation and its use method to solve the problems of dislocation and loosening that often occur after hip joint replacement

Method used

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  • Device for preventing dislocation of artificial hip joint, and using method thereof
  • Device for preventing dislocation of artificial hip joint, and using method thereof
  • Device for preventing dislocation of artificial hip joint, and using method thereof

Examples

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Effect test

Embodiment 1

[0022] refer to figure 1 , the present embodiment provides a device for preventing artificial hip joint dislocation, including a positioning plate 1 and a limiting plate 2, the positioning plate 1 is an arc-shaped plate and serves as a fixed connection part, and the edges and corners of the positioning plate 1 are all smooth curved surface transition structures , the positioning plate 1 is provided with nail holes 11, which are used to pass screws to fix the positioning plate 1 on the outer and upper bone of the acetabulum, and can be fixed with 2-3 screws according to the bone strength. The limiting plate 2 Fixed on the positioning plate 1 and used as a blocking part, one end of the limiting plate 2 is an arc-shaped smooth surface structure, and the arc-shaped smooth surface structure matches the radian and size of the outer surface of the femoral head prosthesis. Between the prosthesis and the femoral neck, it is used to be clamped on the outside of the femoral head prosthes...

Embodiment 2

[0027] refer to figure 2 , Figure 5 and Figure 6 , the present embodiment provides a device for preventing artificial hip joint dislocation, including a positioning plate 1 and a limiting plate 2, the positioning plate 1 is an arc-shaped plate and serves as a fixed connection part, and the edges and corners of the positioning plate 1 are all smooth curved surface transition structures , the positioning plate 1 is provided with nail holes 11, which are used to pass screws to fix the positioning plate 1 on the outer and upper bone of the acetabulum, and can be fixed with 2-3 screws according to the bone strength. The limiting plate 2 The connecting plate 3 is fixed on the positioning plate 1 and serves as a blocking part, and one end of the limiting plate 2 is a circular arc-shaped smooth surface structure, and the arc-shaped smooth surface structure matches the curvature and size of the outer surface of the femoral head prosthesis , located between the femoral head prosthe...

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Abstract

The invention provides a device for preventing dislocation of an artificial hip joint, and a using method thereof. The device comprises a positioning plate and a limiting plate, nail holes are formedin the positioning plate, bone nails penetrate through the nail holes to fix the positioning plate on the acetabulum, the limiting plate is fixed on the positioning plate, one end of the limiting plate is of an arc-shaped smooth curved surface structure, and the arc-shaped smooth curved surface structure is matched with the outer surface of the femoral head prosthesis in radian and size and is used for being clamped at the outer side of the femoral head prosthesis. The problem of dislocation or looseness or instability often occurring after hip joint replacement is solved. The invention belongs to the technical field of artificial joint replacement.

Description

technical field [0001] The invention relates to a device for preventing dislocation of an artificial hip joint and a method for using the same, belonging to the technical field of artificial joint replacement. Background technique [0002] Artificial hip replacement includes artificial femoral head replacement and artificial total hip replacement. It is suitable for end-stage disease of the hip joint or structural damage caused by trauma. The indications mainly include advanced femoral head necrosis, advanced hip dysplasia, and rheumatoid joints. Advanced stage of inflammation or acetabular fracture, proximal femur fracture, etc. This operation technique is mature and has a high success rate. Dislocation and loosening are two of the most common complications. How to avoid dislocation and loosening has always been a difficult problem for medical staff in this field. Contents of the invention [0003] The invention provides a device for preventing dislocation of an artifici...

Claims

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Application Information

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IPC IPC(8): A61F2/32
CPCA61F2/32A61F2002/3233
Inventor 赵滨龚万和姜昱林
Owner 赵滨
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