IP Library › Granted Patent US 12,185,996
Granted Patent B2
US 12,185,996 · App. 17/569,259 · Granted Jan 7, 2025

Implant positioning devices and methods

Inventors: Scott Steffensmeier (Winona Lake, IN); Jason Detweiler (Warsaw, IN); Justin James May (Leesburg, IN)
Assignee: Biomet Microfixation, LLC
A61B17/808A61B17/1728A61B17/1789A61B17/865A61B17/8023A61B17/8076A61B17/90
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Quick Facts
Patent No.
US 12,185,996
App. No.
17/569,259
Granted
Jan 7, 2025
Kind
B2
Abstract

A device for positioning an orthopaedic fixation device includes: a compression attachment mechanism; a fastener guide coupled to the compression attachment mechanism; and a spring member disposed in the fastener guide. The compression attachment mechanism is biased toward a closed position and comprises a gripping portion that is movable by a user for transitioning the compression attachment mechanism from the closed position toward an open position for loading a plate onto the compression attachment mechanism.

Claims (37)

1. A device for positioning an orthopaedic fixation device, comprising:

a compression attachment mechanism biased toward a closed position and comprising a first gripping portion;

a fastener guide coupled to the compression attachment mechanism and configured to receive a fastener; and

a spring member disposed in the fastener guide and configured to touch and hold the fastener in the fastener guide,

wherein the first gripping portion is pressable by a user so as to move in a first direction relative to the fastener guide and thereby overcome a biasing force in the compression attachment mechanism to transition the compression attachment mechanism from the closed position toward an open position for loading a plate onto the compression attachment mechanism,

wherein additionally, when the compression attachment mechanism is engaging the plate and being held in said open position by the user, the first gripping portion is releasable by the user to allow the first gripping portion to move in a second direction opposite the first direction and thereby allow the biased compression attachment mechanism to transition back toward the closed position where the compression attachment mechanism will again be subject to the biasing force for removably coupling the plate to the compression attachment mechanism,

wherein additionally, when the compression attachment mechanism is in said closed position and removably coupled to the plate, the first gripping portion is again pressable by the user so as to move in the first direction to thereby again overcome the biasing force in the compression attachment mechanism to again transition the compression attachment mechanism back toward the open position for releasing the plate from the compression attachment mechanism.

2. The device of claim 1 , wherein the compression attachment mechanism includes attachment feet adapted to removably couple the plate to the compression attachment mechanism in alignment with the fastener guide.

3. The device of claim 1 , wherein the spring member includes a collar and one or more prongs extending downwardly from the collar.

4. The device of claim 3 , wherein the spring member includes three prongs extending downwardly from the collar.

5. The device of claim 1 , wherein the fastener guide includes a first fastener guide and a second fastener guide disposed on opposing sides of the compression attachment mechanism.

6. The device of claim 5 , wherein each of the first fastener guide and the second fastener guide includes a plurality of fastener housings configured to receive individual fasteners.

7. The device of claim 1 , wherein the compression attachment mechanism includes: first and second supports; a first rail extending through the first support, through a first aperture in a mounting structure of the fastener guide, and coupled to the second support; a first spring is disposed on the first rail between the first support and the mounting structure; a first stop disposed on the first rail between the first spring and the first support; and the first gripping portion coupled to the first rail proximal to the first support.

8. The device of claim 7 , wherein the first spring is configured to compress between the first stop and the mounting structure upon application of a force to the first gripping portion in the first direction which is towards the second support.

9. A combined guide and holder for fasteners used in orthopaedic fixation, wherein a plate is to be affixed to a bone, comprising:

a base adapted to align with the plate in a manner to orient fasteners with the plate for fixation;

a compression attachment mechanism comprising a gripping portion that is pressable by a user so as to move from a first position to a second position relative to the base, the gripping portion linked to an attachment foot that is movable relative to the base via force applied by the user to the gripping portion for removably coupling the plate to the compression attachment mechanism in alignment with the fastener guide; and

a plurality of fastener holders on the base, each fastener holder adapted to releasably hold a fastener.

10. The device of claim 9 , wherein the plurality of fastener holders are tubular.

11. The device of claim 10 further comprising a biasing element extending inboard from a tubular sidewall holding an individual fastener in an individual fastener holder.

12. The device of claim 11 , wherein multiple biasing elements are spaced about the tubular sidewall to center the individual fastener.

13. The device of claim 9 , wherein the compression attachment mechanism is biased toward a closed position, the gripping portion pressable by the user so as to move the attachment foot in a first direction relative to the base and thereby transition the compression attachment mechanism from the closed position toward an open position for loading a plate onto the compression attachment mechanism, wherein additionally the gripping portion is releasable by the user to allow the attachment foot to move in a second direction opposite the first direction and thereby allow the compression attachment mechanism to transition back toward the closed position for removably coupling the plate to the compression attachment mechanism, wherein, with the plate removably coupled to the compression attachment mechanism, the first gripping portion is again pressable by the user to transition the compression attachment mechanism back toward the open position for releasing the plate from the compression attachment mechanism.

14. The device of claim 9 , wherein the base includes a recess sized and shaped to receive the plate.

15. A device for positioning an orthopaedic fixation device, comprising:

a base, including:

a mounting structure;

a first fastener guide coupled to the mounting structure; and

a second fastener guide coupled to the mounting structure, wherein the mounting structure is between the first and second fastener guides; and

a compression attachment mechanism coupled to the base, the compression attachment mechanism biased toward a closed position and comprising a gripping portion,

wherein the gripping portion is pressable by a user so as to move in a first direction relative to the base and thereby overcome a biasing force in the compression attachment mechanism to transition the compression attachment mechanism from the closed position toward an open position for loading a plate onto the compression attachment mechanism,

wherein additionally, when the compression attachment mechanism is engaging the plate and being held in said open position by the user, the gripping portion is releasable by the user to allow the gripping portion to move in a second direction opposite the first direction and thereby allow the compression attachment mechanism to transition back toward the closed position where the compression attachment mechanism will again be subject to the biasing force for removably coupling the plate to the compression attachment mechanism,

wherein additionally, when the compression attachment mechanism is in said closed position and removably coupled to the plate, the gripping portion is again pressable by the user so as to move in the first direction to thereby again overcome the biasing force in the compression attachment mechanism to again transition the compression attachment mechanism back toward the open position for releasing the plate from the compression attachment mechanism.

16. The device of claim 15 , wherein each of the first and second fastener guides includes a fastener housing configured to receive a fastener.

17. The device of claim 16 , further comprising a spring member disposed in each of the fastener housings and configured to hold the fastener in the fastener guide.

18. The device of claim 15 , wherein each of the first and second fastener guides includes a bottom recess sized and shaped to receive the plate.

19. The device of claim 18 , wherein the compression attachment mechanism is configured to releasably hold the plate in the recess.

20. The device of claim 15 , wherein the base further includes a spike extending from a bottom of the base to assist in placing and holding the plate.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 7, 2024
From: JACE MEDICAL, LLC
To: BIOMET MICROFIXATION, LLC
Reel/Frame 066398/0969 →
Continuity (4)
Continuation 16263100 · Jan 31, 2019
Continuation 14831422 · Aug 20, 2015
Provisional Application 62039672 · Aug 20, 2014
Related Publication 20220125492A1 · Apr 28, 2022
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