Punch, implant and associated method
AssigneeDePuy Synthes Products, Inc.
InventorsJack F. Long, Joseph P. Iannotti, Gerald R. Williams
Life of this patent
Estimating the term…
Abstract
A kit for use in performing joint arthroplasty on a head of a long bone is disclosed. The kit includes: a first implant including a first implant articulating surface and an opposed first implant mounting surface having a first implant location feature; and an instrument for preparing a cavity in the head of the long bone. The instrument includes a body and a punch extending from the body. The punch includes a portion thereof having a shape similar to the first implant location surface of the implant. A method for providing joint arthroplasty is also disclosed.
Claims16
A kit for use in performing joint arthroplasty on a head of a long bone, said kit comprising:
- a first implant including a first convex implant articulating surface and an opposed first implant mounting surface having a first implant location feature;
- an instrument for preparing a cavity in the head of the long bone, said instrument including a body and a punch extending from the body, the punch including a portion thereof configured to have a shape similar to the first implant location feature of the implant;
- a stop configured to limit advancement of the portion of the punch into the long bone, wherein said stop includes a longitudinal opening therethrough and wherein said stop is slidable along said punch;
- a channel formed in the body, the channel including a longitudinally extending portion and a horizontally extending portion;
- and
- a pin configured to extend from the stop into the longitudinal opening such that when the stop is assembled with the instrument for preparing a cavity in the head of the long bone, the pin extends into the longitudinally extending portion of the channel.
A kit for use in performing joint arthroplasty on a head of a long bone, said kit comprising:
- a first implant including a first convex implant articulating surface and an opposed first implant mounting surface having a first implant location feature;
- an instrument for preparing a cavity in the head of the long bone, said instrument including a body and a punch extending from the body, the punch including a portion thereof configured to have a shape similar to the first implant location feature of the implant and including a fin;
- a stop, wherein one of said body and said stop defines indicia thereon configured to indicate a rotational position of said fin when the stop is assembled with the instrument for preparing a cavity in the head of the long bone;
- a J-channel formed in the body, the J-channel including a longitudinally extending portion and a horizontally extending portion;
- a longitudinal opening in the stop configured to slidably receive the body;
- and
- a pin configured to extend from the stop into the longitudinal opening such that when the stop is assembled with the instrument for preparing a cavity in the head of the long bone, the pin extends into the longitudinally extending portion of the J-channel.
Dependencies are inferred from the claim text.