Pivotable interbody implant system

Patent metadata

Field	Value
Publication number	US-10327913-B2
Application number	US-201514831400-A
Country	US
Kind code	B2
Filing date	Aug 20, 2015
Priority date	Oct 28, 2011
Publication date	Jun 25, 2019
Grant date	Jun 25, 2019

Abstract

An interbody implant system is provided. The interbody implant system includes an implant having an engagement surface and an instrument including a first member and a second member that is movable relative to the first member. The first member is configured to capture the implant and the second member includes an interface configured to engage the engagement surface to releasably lock the implant in at least one orientation relative to the second member. The at least one of the engagement surface and the interface include at least one planar face. Methods of use are disclosed.

First claim

What is claimed is:

1. An interbody implant system comprising:
an implant comprising opposite upper and lower surfaces, an end of the implant comprising spaced apart arms that define a cavity therebetween, opposite outer surfaces of the arms each comprising a channel positioned between the upper and lower surfaces, the implant comprising a pin that extends through the arms and across the cavity; and
an instrument comprising a body including a pair of locking tabs that are positioned in the channels to fix a portion of the instrument relative to the implant, the instrument comprising a member disposed within the body, the member comprising a top portion and a bottom portion that is movable relative to the top portion along a length of the top portion, the top portion forming a hook having a cavity configured for disposal of the pin, the bottom portion forming a gate which translates relative to the hook to cover at least a portion of the cavity.

2. An interbody implant system as recited in claim 1 , wherein the locking tabs are elastically deformable.

3. An interbody implant system as recited in claim 1 , wherein the pin extends through openings in the arms that are each in communication with one of the channels.

4. An interbody implant system as recited in claim 1 , wherein the instrument comprises a shaft having an end surface, the locking tabs extending outwardly from the end surface.

5. An interbody implant system as recited in claim 4 , wherein the shaft defines a longitudinal axis, the end surface extending perpendicular to the longitudinal axis.

6. An interbody implant system as recited in claim 1 , wherein a distance between the locking tabs is equal to a distance between the outer surfaces.

7. An interbody implant system as recited in claim 1 , wherein the locking tabs each have a length that is equal to a depth of the channels.

8. An interbody implant system as recited in claim 1 , wherein the implant extends along a longitudinal axis from the end to an opposite second end, the arms each including a proximal face and first and second lateral faces that converge with the proximal face, the lateral faces extending transverse to the longitudinal axis.

9. An interbody implant system as recited in claim 8 , wherein the proximal face is positioned between the first lateral face and the second lateral face.

10. An interbody implant system as recited in claim 8 , wherein the first lateral face is disposed at a first angle relative to the longitudinal axis and the second lateral face is disposed at a second angle relative to the longitudinal axis.

11. An interbody implant system as recited in claim 10 , wherein the first angle is equal to the second angle.

12. An interbody implant system as recited in claim 1 , wherein the arms are convexly curved from the upper surface to the lower surface.

13. An interbody implant system as recited in claim 12 , wherein the instrument comprises a shaft having an end surface, the locking tabs extending outwardly from the end surface, the end surface having a curved geometry configured to mate with the arms.

14. An interbody implant system as recited in claim 1 , wherein the instrument comprises a spring mechanism to move the bottom portion relative to the top portion between an open configuration in which the gate does not cover the cavity and a closed configuration in which the gate covers at least a portion of the cavity.

15. An interbody implant system as recited in claim 14 , wherein the spring mechanism comprises a first spring and a second spring, the first spring extending perpendicular to the second spring.

16. An interbody implant system comprising:
an implant comprising opposite first and second end surfaces, opposite upper and lower surfaces that extend from the first end surface to the second end surface, and opposite first and second side surfaces that each extend between the end surfaces and between the upper and lower surfaces, the implant comprising spaced apart arms that extend from the first end surface, the arms each including an inner surface and an opposite outer surface, the inner surfaces defining a cavity therebetween, the outer surfaces each comprising a channel, the implant comprising a pin that extends through the arms and extends across the cavity; and
an instrument comprising a body including a pair of elastically deformable locking tabs that are positioned in the channels to fix a portion of the instrument relative to the implant, the instrument comprising a member that is disposed within the body, the member comprising a top portion and a bottom portion that is movable relative to the top portion along a length of the top portion, the top portion forming a hook having a cavity configured for disposal of the pin, the bottom portion forming a gate which translates relative to the hook to cover at least a portion of the cavity.

17. An interbody implant system comprising:
an implant comprising opposite first and second end surfaces, opposite upper and lower surfaces that extend from the first end surface to the second end surface, and opposite first and second side surfaces that each extend between the end surfaces and between the upper and lower surfaces, the implant defining corners between the side surfaces and the end surfaces, the corners each having equal radii of curvature, the implant comprising spaced apart arms that extend from the first end surface, the arms each including an inner surface and an opposite outer surface, the inner surfaces defining a cavity therebetween, the outer surfaces each comprising a channel, the implant comprising a pin that extends through the arms and extends across the cavity; and
an instrument comprising a pair of elastically deformable locking tabs that are positioned in the channels to fix a portion of the instrument relative to the implant, the instrument comprising a body that includes the locking tabs, the instrument comprising a member that is movably disposed within the body, the member comprising a top portion and a bottom portion that is movable relative to the top portion along a length of the top portion, the top portion forming a hook having a cavity configured for disposal of the pin, the bottom portion forming a gate which translates relative to the hook to cover at least a portion of the cavity.

Assignees

• Warsaw Orthopedic Inc

Inventors

• Palmatier Stanley T
• Miller Keith M
• Branch Charles L
• Armstrong William D
• Melkent Anthony J
• Drochner Thomas E
• Hynes Richard A
• Blackwell Jonathan E
• Yu Kidong

Classifications

• A61F2002/30593

  hollow · CPC title

• A61F2002/3083

  inclined obliquely with respect to each other · CPC title

• A61F2002/30828

  parallel · CPC title

• A61F2002/30784

  Plurality of holes · CPC title

• A61F2310/00221

  containing calcia or calcium oxide · CPC title