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US 9,750,619 B2Granted
Surgical instrument
AssigneeDepuy Ireland Unlimited Company
InventorMichael Rock
Life of this patent
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Abstract
An adjustable spacer instrument and method of use in a knee arthroplasty procedure are described. The instrument comprises a first member having a substantially planar upper surface and a second member having a substantially planar lower surface. An angular adjustment mechanism is interposed between the first and second members and is operable to adjust the degree of tilt between the upper surface and the lower surface and includes a releasable lock which can maintain the degree of tilt.
Claims20
An adjustable spacer instrument for use in a knee arthroplasty procedure, comprising:
- a first member having a substantially planar upper surface;
- a second member having a substantially planar lower surface;
- and
- an angular adjustment mechanism interposed between the first member and the second member, the angular adjustment mechanism being operable to adjust the degree of tilt between the upper surface and the lower surface and including a releasable lock which can maintain the degree of tilt,
- wherein the adjustment mechanism comprises a plurality of proud features and a plurality of regions of differing height positioned to engage the proud features in a plurality of different configurations each corresponding to a different degree of tilt between the upper surface and the lower surface.
2 more elements
Dependencies are inferred from the claim text.