US 7,547,326 B2Granted

Disc annulus repair system

AssigneeJMEA Corporation

InventorsMohit K. Bhatnagar, Jack Y. Yeh, James A. Sack, Richard W. Woods

Life of this patent

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Abstract

A repair system including a closure prosthesis and deployment device, and associated methods for repairing any imperfection including a flaw, hole, tear, bulge, or, in some cases, a deliberate cut or incision in any tissue including an intervertebral disc. The prosthesis has first and second side portions with a connecting central portion, and is designed to span an imperfection with opposite ends positioned on opposite sides of the imperfection. The prosthesis may include anchoring features including barbs and/or members that extend transversely. The deployment device can include a cannula for positioning the prosthesis near the imperfection, and, in some cases, a mechanism that may cause the two sides of the prosthesis to be deployed in a specific order.

Claims34

Dependent claims

A system configured to deliver a prosthesis to a disc of a mammal comprising:

a first penetrating member configured to puncture the disc on a first side of an imperfection;
the first penetrating member carrying a substantial portion of a first portion of the prosthesis within a first channel formed in the first penetrating member, wherein the first channel is sized and dimensioned to allow the first portion of the prosthesis to move relative to the first penetrating member;
a second penetrating member configured to puncture the disc on a second side of the imperfection;
the second penetrating member laterally spaced from the first penetrating member so that the first penetrating member may be positioned proximate the disc on the first side of the imperfection and the second penetrating member may be positioned proximate the disc on the second side of the imperfection;
the second penetrating member carrying a substantial portion of a second portion of the prosthesis within a second channel formed in the second penetrating member, wherein the second channel is sized and dimensioned to allow the second portion of the prosthesis to move relative to the second penetrating member;
the prosthesis including a central portion connected to the first portion of the prosthesis and the second portion of the prosthesis;
a first rod associated with the first penetrating member and configured to move the first portion of the prosthesis with respect to the first penetrating member;
a second rod associated with the second penetrating member and configured to move the second portion of the prosthesis with respect to the second penetrating member;
and
wherein the motion of the first rod is independent of the motion of the second rod so that the first rod moves the first portion of the prosthesis within the first penetrating member without affecting the motion of the second portion of the prosthesis.

7 more elements

Dependencies are inferred from the claim text.

Facts

Application: 11/324,765Filed 3 Jan 2006 · continuation
Priority: 29 Apr 2005
Published: US 2006/0247643 A12 Nov 2006
Granted: 16 Jun 2009
Term ends: Not estimatedThe source records don’t support an estimate.

Classification13 codes

A61B 17/0642
Surgical staples, i.e. penetrating the tissue: for bones, e.g. for osteosynthesis or connecting tendon to bone
A61B 17/0682
Surgical staplers , e.g. containing multiple staples or clamps: for applying U-shaped staples or clamps, e.g. without a forming anvil
A61B 17/10
Surgical instruments, devices or methods: for applying or removing wound clamps , e.g. containing only one clamp or staple ; Wound clamp magazines
A61F 2/4611
For insertion or extraction of endoprosthetic joints or of accessories thereof: of spinal prostheses

Family

Application11/117,704Parent of this continuation · filed 29 Apr 2005
US 2006/0247644 A1Pre-grant publication · published 2 Nov 2006
US 2006/0247643 A1Published application
US 7,632,313 B2Related patent
US 7,547,326 B2This patent

From the US filing history. Foreign family members aren’t listed.