Howmedica Osteonics Corporation

Troy Allen McMillen

Mohamed Soliman

Carlos E Collazo

John Jude Grecco

Robert J Leonard

A patella clamping device has a handle having a first arm and a second arm, the arms each having a first gripping end and a second clamping end. The clamping ends are movable towards the opposite arm by action on the gripping end of each arm. The clamping ends of the first and second arms comprise opposed clamping surfaces. The clamping end of each arm has a body portion having spaced first and second surface defining the opposed surface of each arm. A plurality of pins extend from the first to the second surface. A rotatable toothed jaw member is pivotally mounted on each of the pins. The jaw member has at least one tooth extending outwardly of the opposed surface of each arm for engaging the patella. Each body has a third surface spaced from the second surface to create a slot for receiving a saw blade.

Automatically adjusting patella cutting guide

Disclosed is a trial implant having a body and a tab. The body may include a recess and may be sized to closely approximate a permanent implant. The tab may be more durable than the body, and may be disposed within the body and wholly contained within the recess. Also disclosed is a method of performing a trialing procedure including providing a trial implant as described, providing a tool to attach to the tab, inserting the implant onto a resected joint, evaluating and extracting the implant. The same procedure may then be performed with a second implant. The method may further include a tool having an attachment portion that is substantially or wholly contained within the recess. A kit is disclosed including a plurality of trial implants of incrementally different shapes and sizes. The kit may further include a tool. Also disclosed is a method of making the described implant.

Trial implant and method of use

The invention provides an apparatus and method for sizing a distal portion of a femur during knee arthroplasty. A sizer according to the invention includes a body that can be removably attached to the distal portion of the femur and that is operable to support a module that is removably attachable to the body. The body with attached module is operable for use in measuring the size of the distal portion of the femur. The module can be attached to the body either before or after the body has been attached to the distal portion of the femur and can be detached from the body either before or after the body is detached from the distal portion of the femur.

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Milford, PA, United States of America

Troy Allen McMillen