Apparatus for preparing femoral cavity using vibration under...

Details Apparatus for preparing femoral cavity using vibration under... Apparatus for preparing femoral cavity using vibration under...

2007-03-13

2007-03-13

Philogene, Pedro (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

10985297

ABSTRACT:
Disclosed herein is a femoral broaching apparatus for use in preparing a femoral cavity for implantation of a prosthetic joint in surgical orthopedic artificial hip joint replacement arthroplasty procedures. The apparatus comprises a fixing guide unit fixed in the femoral cavity by an interference fit, a cavity preparing broach coupled to the fixing guide unit in a longitudinally movable manner, and a vibration-generating unit coupled to the cavity preparing broach for allowing the cavity preparing broach to perform the preparing of the femoral cavity under operation of the fixing guide unit. According to the present invention, a femoral cavity having an intended accurate shape can be easily prepared using mechanical vibration rather than a manual operation, thereby ensuring operational convenience. Further, since the preparing of the femoral cavity is performed under axial guiding operation of a fixing guide unit, the shape accuracy of the resulting femoral cavity as well as the positional accuracy of a tool, such as a surgical broach, can be improved.

REFERENCES:
patent: 5057112 (1991-10-01), Sherman et al.
patent: 5152352 (1992-10-01), Mandanis
patent: 2003/0171756 (2003-09-01), Fallin et al.
patent: 2005/0192583 (2005-09-01), Walker et al.

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