IP Library Granted Patent US 10,149,687
Granted Patent B2
US 10,149,687 · App. 14/445,997 · Granted Dec 11, 2018

Ankle replacement system and method

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Quick Facts
Patent No.
US 10,149,687
App. No.
14/445,997
Granted
Dec 11, 2018
Kind
B2
Abstract

A cutting system includes a cutting base and a first cutting guide. The cutting base has a body including a first flange, a second flange, and defines a first slot. A first set of holes is defined in the first flange, and a second set of holes is defined in the second flange. The first cutting guide has a body defining at least one opening. The first cutting guide also includes a set of pegs that extend inferiorly from the body. The set of pegs is sized and configured to be received within the first set of holes to align the at least one opening with the first slot in a first orientation and to be received within the second set of holes to align the at least one opening with the first slot in a second orientation.

Claims (18)

1. A cutting system, comprising:

a cutting base having a body, the body defining a first slot, a first set of holes, and a second set of holes, the first set of holes positioned along a first flange extending away from the first slot in a first direction, and the second set of holes positioned along a second flange extending from the first slot in a second direction that is different from the first direction, wherein a slit is defined along a wall defining the first slot in the cutting base, the slit sized and configured to receive a saw blade therein for performing a chamfer cut of a bone, the slit being in communication with the first slot such that the slit is accessible via the first slot; and

a first cutting guide having a body defining a plurality of holes that partially overlap one another, each of the plurality of holes dimensioned for guiding a first cutting tool for making a plunge cut therethrough, the first cutting guide including a set of pegs that extend inferiorly from the first cutting guide and are sized and configured to be received within either the first set of holes or the second set of holes to secure the first cutting guide to the cutting base in a first orientation or a second orientation, respectively.

2. The cutting system of claim 1 , wherein the cutting base defines a third set of holes positioned along the first flange and a fourth set of holes positioned along the second flange, wherein the third and fourth sets of holes are configured to receive pins for securing the cutting base to a bone surface.

3. The cutting system of claim 1 , further comprising a second cutting guide having a body defining a second slot having a width that is smaller than a width of the first slot defined by the cutting base, the second cutting guide including a second set of pegs that extend inferiorly from the second cutting guide and are sized and configured to be received with the first set of holes or the second set of holes to secure the second cutting guide to the cutting base.

4. The cutting system of claim 3 , wherein the second slot of the second cutting guide is configured to receive a reamer therein.

5. The cutting system of claim 1 , wherein the body of the cutting base comprises a third set of holes configured to receive one or more fixation pins to couple the cutting base to a bone.

6. The cutting system of claim 1 , wherein the first cutting tool is a reamer.

7. A cutting system, comprising:

a cutting base having a body including a first flange, a second flange, and defining a first slot, a first set of holes is defined in the first flange that extends away from the first slot in a first direction, and a second set of holes is defined in the second flange that extends away from the first slot in a second direction that is different from the first direction, wherein the cutting base defines a lateral slit along a wall defining the first slot, the lateral slit sized and configured to receive a blade of a second cutting tool therein, the slit being in communication with the first slot such that the slit is accessible via the first slot; and

a first cutting guide having a body, the body defining at least one opening and including a set of pegs that extend inferiorly from the body of the first cutting guide, the set of pegs sized and configured to be received within the first set of holes to align the at least one opening with the first slot in a first orientation to guide a first cutting tool in performing a first resection and to be received within the second set of holes to align the at least one opening with the first slot in a second orientation that is different from the first orientation to guide the first cutting tool in performing a second resection.

8. The cutting system of claim 7 , wherein the at least one opening includes a plurality of partially overlapping holes, each of the plurality partially overlapping holes being arranged parallel to one another.

9. The cutting system of claim 8 , further comprising a second cutting guide having a body defining a second slot and including a second set of pegs that extend inferiorly from the second cutting guide, the second set of pegs sized and configured to be received within the first set of holes to align the second slot with the first slot in a third orientation and to be received within the second set of holes to align the second slot with the first slot in a fourth orientation.

10. The cutting system of claim 7 , wherein the at least one opening is a slot.

11. The cutting system of claim 10 , further comprising a second cutting guide having a body defining a plurality of partially overlapping holes, each of the plurality of partially overlapping holes being arranged parallel to one another, the second cutting guide including a second set of pegs sized and configured to be received within the first set of holes to align the second slot with the first slot in a third orientation and to be received within the second set of holes to align the second slot with the first slot in a fourth orientation.

12. The cutting system of claim 11 , wherein a central axis of each of the plurality of holes intersects a common longitudinal axis.

13. The cutting system of claim 12 , wherein a central axis of each of the plurality of partially overlapping holes intersects a common longitudinal axis.

14. The cutting system of claim 7 , wherein the body of the cutting base comprises a third set of holes configured to receive one or more fixation pins to couple the cutting base to a bone.

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Nov 19, 2020
From: MIDCAP FUNDING IV TRUST
To: SOLANA SURGICAL, LLC; ORTHOPRO, L.L.C.; WRIGHT MEDICAL GROUP N.V.; WRIGHT MEDICAL GROUP, INC.; BIOMIMETIC THERAPEUTICS CANADA, INC.; BIOMIMETIC THERAPEUTICS, LLC; BIOMIMETIC THERAPEUTICS USA, INC.; INBONE TECHNOLOGIES, INC.; ORTHOHELIX SURGICAL DESIGNS, INC.; TORNIER US HOLDINGS, INC.; TORNIER, INC.; TROOPER HOLDINGS INC.; WHITE BOX ORTHOPEDICS, LLC; WRIGHT MEDICAL CAPITAL, INC.; WRIGHT MEDICAL TECHNOLOGY, INC.; WRIGHT MEDICAL GROUP INTELLECTUAL PROPERTY, INC.
Reel/Frame 054480/0001 →
SECURITY INTEREST Recorded Jan 5, 2017
From: WRIGHT MEDICAL TECHNOLOGY, INC.
To: MIDCAP FINANCIAL TRUST, AS AGENT
Reel/Frame 041257/0126 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 6, 2015
From: MCGINLEY, SHAWN; HOWLES, ROBERT M.
To: WRIGHT MEDICAL TECHNOLOGY, INC.
Reel/Frame 035571/0684 →