Instruments and method for minimally invasive surgery for...

Details Instruments and method for minimally invasive surgery for... Instruments and method for minimally invasive surgery for...

2003-05-20

2009-10-13

Willse, David H. (Department: 3738)

Surgery

Instruments

Orthopedic instrumentation

C606S085000

Reexamination Certificate

active

07601155

ABSTRACT:
An intramedullary femoral broach aligns two instruments. A femoral neck resector guide slides over the broach and centers on the patient's femoral head to determine the height and angular rotation of resection. A circular ring of the head and cutting arms assure the system will fit any femur. A template is applied to the femoral broach and seats itself against the buttress of the broach locking it into place. The broach is then reinserted into the intramedullary canal. When the template reaches the greater trochanter the sizer is adjusted to the rotational anteversion of the canal. The handle of the femoral broach is struck with a mallet until the template is imbedded into the proximal femoral neck intramedullary bone. A retractor facilitates reaming of the acetabulum through a small anterior incision. A proximal portion digs into the bone of the superior acetabulum to allow for retraction of soft tissues.

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