Surgery – Instruments – Orthopedic instrumentation
Patent
1998-08-25
1999-11-23
Buiz, Michael
Surgery
Instruments
Orthopedic instrumentation
606102, A61B 1758
Patent
active
059892595
ABSTRACT:
A prosthetic stem inserter device includes an elongate rod member having a handle portion and an elongate rod member having a distal portion which has a plurality of surface features formed thereon which define a series of predetermined stem insertion depths. The device further includes a depth guide member having a proximal portion removably and replaceably engageable with the surface features on the elongate rod member. A distal, bone engaging portion of the depth guide member protrudes beyond a distal end of the elongate rod member. The depth guide member includes a mounting plate having a substantially hemispherical opening slot therein and a pair of distally extending prong elements. Each prong element has a first, longitudinally extending portion and a second portion that is angled with respect to the first portion. The second portion is adapted for contacting a plane of calcar bone in a prepared femoral cavity when a femoral stem is inserted into the cavity.
REFERENCES:
patent: 4642121 (1987-02-01), Keller
patent: 4790852 (1988-12-01), Noiles
patent: 5514136 (1996-05-01), Richelsoph
patent: 5540697 (1996-07-01), Rehmannn et al.
patent: 5584837 (1996-12-01), Petersen
patent: 5683469 (1997-11-01), Johnson et al.
Katzman Patricia
Penenberg Brad
Sanders Anthony P.
Buiz Michael
Johnson & Johnson Professional Inc.
Woo Julian W.
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