IP Library Granted Patent US 12,156,664
Granted Patent B2
US 12,156,664 · App. 17/654,527 · Granted Dec 3, 2024

Resection guides, sweeping reamers, and methods for use in total ankle replacement

Inventors: Daniel J. Lee (Denver, CO); Joseph Dogué (Aurora, CO); Albert Dacosta (Lone Tree, CO); Francis D. Barmes (Parker, CO); Jeffrey Christensen (Everett, WA)
Assignee: Paragon 28, Inc.
A61B17/1775A61B17/15A61B17/66A61B2017/00477
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Quick Facts
Patent No.
US 12,156,664
App. No.
17/654,527
Granted
Dec 3, 2024
Kind
B2
Abstract

Resection guides include a body a plurality of alignment pin through-holes and a plurality of guide through-holes so that the pattern of guide through-holes is operable for receiving a drill for use in resecting the at least a portion of the anatomical structure of the patient. Sweeping reamers include a body having a plurality of alignment pin through-holes and an elongated opening, and a reamer extendable through the elongated opening of the body. Decoupled resection guides include a first body having a plurality of alignment pin through-holes and a second body having a plurality of fixation pin through-holes and at least one guide aperture operable for guiding a cutting tool for use in resecting a portion of the second anatomical structure of the patient. Methods employing the same are disclosed and operable in, for example, total ankle replacement.

Claims (17)

1. A resection system, comprising:

a drill guide, comprising:

at least one through hole extending from a first side of the drill guide through to a second side of the drill guide; and

a resection guide, comprising:

at least one cut slot extending from a first side of the resection guide through to a second side of the resection guide;

at least one support pin configured to releasably couple at least one of the drill guide and the resection guide with a bone of a patient;

at least one first aperture disposed on an upper portion thereof and extending from the first side through to the second side, wherein the at least one first aperture is configured to receive a first support pin of the at least one support pin at least partially therethrough;

wherein the resection guide comprises at least one second aperture disposed on an upper portion thereof and extending from the first side through to the second side, wherein the at least one second aperture is configured to receive a second support pin of the at least one support pin at least partially therethrough;

wherein the at least one through hole comprises a plurality of holes configured in an arcuate pattern and configured to receive at least a portion of a drill at least partially therethrough;

wherein the drill guide and the resection guide each comprise a coupling element extending from an upper portion thereof, wherein the coupling element is configured to releasably couple with an alignment guide of the resection system so as to indirectly couple the drill guide and the resection guide with a bone of a patient.

2. The resection system of claim 1 , wherein:

the at least one support pin comprises a pair of support pins;

the at least one first aperture comprises a pair of first apertures; and

the at least one second aperture comprises a pair of second apertures.

3. The resection system of claim 1 , wherein the at least one cut slot comprises a plurality of cut slots, wherein each of the plurality of cut slots is positioned adjacent an edge of the resection guide.

4. The resection system of claim 1 , wherein at least one of the drill guide and the resection guide comprises at least one window positioned in a central portion thereof and extending from the first side through to the second side.

5. The resection system of claim 1 , wherein the at least one cut slot comprises a single u-shaped cut slot, wherein each portion of the u-shaped cut slot is positioned adjacent to an edge of the resection guide.

Assignments (7)
RELEASE OF SECURITY INTEREST Recorded Apr 22, 2025
From: ARES CAPITAL CORPORATION
To: PARAGON 28, INC.; PARAGON ADVANCED TECHNOLOGIES, INC.
Reel/Frame 070908/0038 →
RELEASE OF INTELLECTUAL PROPERTY SECURITY INTEREST AT REEL/FRAME NO. 62354/0016 Recorded Nov 11, 2023
From: MIDCAP FUNDING IV TRUST, AS AGENT
To: PARAGON 28, INC.; PARAGON ADVANCED TECHNOLOGIES, INC.
Reel/Frame 065548/0364 →
RELEASE OF INTELLECTUAL PROPERTY SECURITY INTEREST AT REEL/FRAME NO. 62354/0006 Recorded Nov 10, 2023
From: MIDCAP FINANCIAL TRUST, AS AGENT
To: PARAGON 28, INC.; PARAGON ADVANCED TECHNOLOGIES, INC.
Reel/Frame 065548/0313 →
SECURITY INTEREST Recorded Nov 2, 2023
From: PARAGON 28, INC.; PARAGON ADVANCED TECHNOLOGIES, INC.
To: ARES CAPITAL CORPORATION
Reel/Frame 065448/0214 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 30, 2023
From: LEE, DANIEL J.; DOGUÉ, JOSEPH; DACOSTA, ALBERT; BARMES, FRANCIS D.; CHRISTENSEN, JEFFREY
To: PARAGON 28, INC.
Reel/Frame 064131/0077 →
SECURITY AGREEMENT SUPPLEMENT (TERM) Recorded Jan 11, 2023
From: PARAGON 28, INC.; PARAGON ADVANCED TECHNOLOGIES, INC.
To: MIDCAP FINANCIAL TRUST
Reel/Frame 062354/0006 →
SECURITY AGREEMENT SUPPLEMENT (REVOLVING)) Recorded Jan 11, 2023
From: PARAGON 28, INC.; PARAGON ADVANCED TECHNOLOGIES, INC.
To: MIDCAP FUNDING IV TRUST
Reel/Frame 062354/0016 →
Continuity (5)
Continuation 17345398 · Jun 11, 2021
Continuation PCTUS2019064948 · Dec 6, 2019
Provisional Application 62898615 · Sep 11, 2019
Provisional Application 62779436 · Dec 13, 2018
Related Publication 20220192686A1 · Jun 23, 2022