IP Library › Granted Patent US 12,396,737
Granted Patent B2
US 12,396,737 · App. 17/758,641 · Granted Aug 26, 2025

Chamfer guidance systems and methods

Inventors: Meghan Kubacki (Cookeville, TN); Braham K. Dhillon (Memphis, TN); Kian-Ming Wong (Lakeland, TN)
Assignee: WRIGHT MEDICAL TECHNOLOGY, INC.
A61B17/15A61B17/1659A61B17/154A61B17/155A61B17/157A61B17/1662A61B17/1675A61B17/1682A61B17/1728A61B17/1732A61B17/1735A61B17/1739A61B17/1764A61B17/1775A61B2017/564A61B17/848A61F2/4202A61F2/461A61F2/4684A61F2/64
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Quick Facts
Patent No.
US 12,396,737
App. No.
17/758,641
Granted
Aug 26, 2025
Kind
B2
Abstract

A surgical tool includes a handle and a trial section coupled to the handle by an engagement section. The trial section includes an upper surface and a lower surface. The upper surface has a shape that corresponds to an upper surface of an implant. The trial section defines a first slot extending from the upper surface to the lower surface and inwardly from a first side. A second slot extends from the upper surface to the lower surface and inwardly from a second side.

Claims (11)

1. A tool, comprising:

a base component having a first surface configured to engage a bone, a second surface disposed on an opposite side of the base component with respect to the first surface, and a third surface extending between the first surface and the second surface, the first surface defining a first slot that extends inwardly from a first side of the base component to a second side of the base component, the base component defining a second slot extending inwardly from the third surface and being in communication with the first slot and configured such that a chamfer is formed on the bone by passing a cutting instrument inwardly through the second slot and into the bone, and the second surface defining a passageway; and

an arm component, the arm component having a base from which a peg extends, the peg size and configured to be at least partially received within the passageway defined by the base component for coupling the arm component to the base component, wherein the arm component defines an opening sized and configured to receive a first cutting tool therein.

2. The tool of claim 1 , wherein the peg of the arm component is configured to slide along a length of the passageway defined by the base component.

3. The tool of claim 1 , wherein a width of the opening is greater than a width of a gap in a coupling end of the arm component that defines the opening.

4. A tool, comprising:

a base component extending from a first end to a second end, the base component defining at least one hole adjacent to the first end and including a beam disposed at the second end, the beam including at least one projection extending along its entire length and projecting perpendicular to its length; and

an arm component for coupling to the base component, the arm component including a coupling end defining a recess for receiving at least a portion of the beam and the at least one projection to couple the arm component to the base component, the arm component defining at least one hole sized and configured to receive a cutting tool therethrough.

5. The tool of claim 4 , wherein the hole defines an axis that is parallel to a plane defined by the beam when the arm component is coupled to the base component.

6. The tool of claim 5 , wherein the arm component defines a second hole, the second hole defining an axis that is transverse to the plane defined by the beam when the arm component is coupled to the base component.

7. The tool of claim 4 , wherein the base component includes at least one stop positioned along a length of the beam.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 12, 2022
From: KUBACKI, MEGHAN; DHILLON, BRAHAM K.; WONG, KIAN-MING
To: WRIGHT MEDICAL TECHNOLOGY, INC.
Reel/Frame 060482/0154 →
Continuity (2)
Provisional Application 63010895 · Apr 16, 2020
Related Publication 20230034361A1 · Feb 2, 2023
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