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Femoral hip joint spacer with irrigation device

A hip, femoral technology, applied in the direction of the hip, femoral head, femoral axis, etc., can solve the problem of impossible to adjust and determine the concentration and so on

Active Publication Date: 2020-07-24
HERAEUS MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, it is likewise impossible to adjust the defined concentration of the antimicrobial active ingredient in the wound secretion or in the body fluid surrounding the septum

Method used

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  • Femoral hip joint spacer with irrigation device
  • Femoral hip joint spacer with irrigation device
  • Femoral hip joint spacer with irrigation device

Examples

Experimental program
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Embodiment Construction

[0120] Figures 1 to 6 A representation of a first exemplary embodiment of a hip spacer according to the invention with an irrigation device is shown. The femoral hip spacer, ie a hip spacer that replicates the femoral articular head and is intended to be fastened to the femur, has a ball head 1 with a sliding surface 2 proximally. This sliding surface 2 can bear against the hip joint socket when inserted (ie when inserted into the patient's body) and thereby form part of the hip joint. On the distal side opposite the sliding surface 2 , the ball head 1 can be connected via a neck 3 to a collar 4 . The neck portion 3 is preferably thinner than the ball head 1 and collar portion 4 . On the distal side of the collar portion 4 a stem portion 5 may be attached, which stem portion extends in the distal direction. For fixing the hip spacer in the femur, a circumferential fastening region 6 can be provided on the anchoring sleeve part 7 which surrounds or encloses the shaft 5 on i...

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PUM

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Abstract

The invention relates to a femoral hip joint spacer having a prosthesis body with a ball head (1), a neck (3), a stem (5) and an anchoring sleeve (7) which encloses the stem (5) on a proximal side ofthe stem (5) with a circumferential fastening area (6), an irrigation liquid inlet opening and an irrigation liquid outlet opening in a surface of the prothesis body, at least one irrigation liquid discharge opening (14) on a distal side of the stem (5) and at least one irrigation liquid intake opening on the ball head (1) or on the neck (3), wherein the at least one irrigation liquid discharge opening (14) inside the prosthesis body is connected in a liquid-permeable manner to the irrigation liquid inlet opening and is not connected in a liquid-permeable manner to the irrigation liquid outletopening and the at least one irrigation liquid intake opening is connected inside the prothesis body in a liquid-permeable manner to the irrigation liquid outlet opening and is not connected in a liquid-permeable manner to the irrigation liquid inlet opening, and wherein a cavity (28) which is open on two sides is formed inside the anchoring sleeve (7), which cavity connects a proximal side of the anchoring sleeve (7) to a distal side of the anchoring sleeve (7) in a liquid-permeable manner.

Description

technical field [0001] The present invention relates to a femoral hip spacer with irrigation device for the temporary replacement of at least a part of the hip joint, which is used in the transition phase of the secondary septic repair of the hip endoprosthesis. The hip spacer is particularly useful in two-stage septic repairs where two or more microorganisms are the cause of infection of the hip endoprosthesis and surrounding tissue. Background technique [0002] Hip endoprostheses are implanted in large numbers worldwide. Unfortunately, in rare cases, hip endoprostheses are colonized with bacterial microorganisms, especially Gram-positive and Gram-negative bacteria, and to a lesser extent yeast and fungi. These bacterial microorganisms—mainly typical skin microorganisms such as S. aureus and S. epidermidis—may enter patients during surgical procedures (OP). Bacterial microorganisms may also enter the hip endoprosthesis through hematopoiesis. In cases where the hip endop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/30A61F2/36A61M3/02
CPCA61F2/30A61M3/02A61M3/0279A61F2002/30677A61F2002/30672A61F2002/3625A61F2002/3631A61F2002/3611A61F2002/3021A61F2230/0067A61F2310/00353A61F2310/00011A61F2/36A61F2/3662A61F2220/0033A61F2002/30405A61F2002/30805A61F2002/3613A61F2002/3627A61F2002/4631A61F2/4675A61F2002/3069A61F2002/30691A61F2002/30003A61F2002/3007A61F2002/30171A61F2002/30205A61F2002/30235A61F2002/30593A61F2002/3621A61F2002/368A61M2039/025A61M39/0247A61M2039/0261A61M2039/0276A61M2039/027A61F2/3609A61F2002/30738A61F2002/365
Inventor S·沃格特T·克鲁格
Owner HERAEUS MEDICAL
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