US 9,039,710 B2Granted

Prosthetic inserter

AssigneeZimmer, Inc.

InventorsJeff Blaylock, Jody L. Claypool, Stephen H. Hoag, Anthony P. Romano

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Abstract

A prosthetic inserter includes an inserter head having at least first and second bosses, at least one of the bosses movable from a first position to a second position, that couple the inserter to a femoral provisional component via a pair of corresponding apertures, such as drill holes, within the articulating surfaces of a selected one of a series of femoral provisional components. Each provisional component of the series is capable of having different aperture distances measured between a respective pair of apertures. The bosses of the inserter are biased into an engagement position in which the inserter can be secured to a femoral provisional component to eliminate the need for an external engagement force to be supplied to the inserter.

Claims12

Dependent claims

A combination comprising:

a provisional prosthetic component for a knee joint, including an articulating surface having a first aperture and a second aperture, disposed parallel to the first aperture, the first and second apertures spaced apart by an aperture distance;
and
an inserter comprising:
a coupling member, couplable to the provisional prosthetic component, including a first boss and a second boss configured to be received, respectively, in the first and second apertures;
a biasing member engaged with the coupling member and configured to exert a biasing force, in a bias direction, to space the first and second bosses apart from one another by a biased distance;
and
an actuating member engaged with the coupling member and configured to exert an actuating force, opposite the bias force, to space the first and second bosses apart from one another by an actuated distance.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 12/961,916Filed 7 Dec 2010
Published: US 2012/0143204 A17 Jun 2012
Granted: 26 May 2015
Term ends: Not estimatedThe source records don’t support an estimate.

Classification13 codes

A61F 2/461
For insertion or extraction of endoprosthetic joints or of accessories thereof: of knees
A61B 17/92
Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices: impactors or extractors, e.g. for…
A61F 2/3859
For elbows or knees: femoral components
A61F 2/4684
Special tools for implanting artificial joints: trial or dummy prostheses

Family

US 2012/0143204 A1Pre-grant publication · published 7 Jun 2012
US 9,039,710 B2This patent

From the US filing history. Foreign family members aren’t listed.

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