Seal for posterior lateral vertebral disk cavity

• US 20040138703A1
• Filed: 09/05/2003
• Published: 07/15/2004
• Est. Priority Date: 09/06/2002
• Status: Abandoned Application

• Current Assignee: Neville Alleyne
• Original Assignee: Neville Alleyne
• Inventors: Alleyne, Neville
• Application Number:
  US10/655,852
• Publication Number:
  US 20040138703A1
• Time in Patent Office: Days
• US Class Current: 606/213
• CPC Class Codes: A61B 2090/3937 Visible markers
• CPC Class Codes: A61F 2/0063 Implantable repair or support meshes, e.g. hernia meshes
• CPC Class Codes: A61F 2/0095 Packages or dispensers for prostheses or other implants for intraocular lenses A61F2/1691; for dental surgery A61C19/02
• CPC Class Codes: A61F 2/442 Intervertebral or spinal discs, e.g. resilient non-disc-shaped intervertebral inflatable pockets A61F2/441; non-disc-shaped intervertebral fusion implants A61F2/4455
• CPC Class Codes: A61F 2/4455 for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages intervertebral discs A61F2/442
• CPC Class Codes: A61F 2002/2817 Bone stimulation by chemical reactions or by osteogenic or biological products for enhancing ossification, e.g. by bone morphogenetic or morphogenic proteins [BMP] or by transforming growth factors [TGF]
• CPC Class Codes: A61F 2002/30056 differing in radiographic density
• CPC Class Codes: A61F 2002/3008 radio-opaque, e.g. radio-opaque markers
• CPC Class Codes: A61F 2002/30616 Sets comprising a plurality of prosthetic parts of different sizes or orientations
• CPC Class Codes: A61F 2002/30617 Visible markings for adjusting, locating or measuring
• CPC Class Codes: A61F 2002/4435 Support means or repair of the natural disc wall, i.e. annulus, e.g. using plates, membranes or meshes
• CPC Class Codes: A61F 2250/0032 differing in radiographic density
• CPC Class Codes: A61F 2250/0097 Visible markings, e.g. indicia
• CPC Class Codes: A61F 2250/0098 radio-opaque, e.g. radio-opaque markers

Abstract

A biocompatible protection device and method of utilizing the device in conjunction with bone morphogenic protein is disclosed to inhibit the postoperative formation bone outside of an intended location. The device comprises a seal contoured to a posterior lateral vertebral cavity to inhibit migration of the bone morphogenic protein from the cavity.

Claims

1. A biocompatible seal device comprising:

a solid sheet, the sheet having a protruding portion configured to fit in an opening in a disk annulus.

2. The device of claim 1 wherein the protruding portion is substantially circular.

3. The device of claim 1 wherein the sheet is substantially pliable.

4. The device of claim 1 wherein the sheet includes a radiopaque material.

5. The device of claim 1 wherein the sheet is prepared in a color that contrasts with the colors of the viscera and skeletal tissue.

6. A method of surgery using a bone morphogenic inducing protein which minimizes unintended post-surgical bone growth, the method comprising:

resecting a posterior lateral herniation in a spinal disk annulus;

forming an opening in the annulus in a posterior lateral location;

introducing bone morphogenic protein (BMP) into the opening;

sealing the opening with a biocompatible seal wherein the seal is positioned to cover the opening so as to inhibit leakage of the BMP into surrounding tissue.

7. The method of claim 6 wherein the seal is substantially pliable.

8. The method of claim 6 wherein sealing the opening includes positioning a protruding portion of the seal into the opening.

9. The method of claim 6 further comprising affixing the seal in place.

10. The method of claim 6 wherein is positioned so that at least a portion of the seal is received into the opening.

11. The method of claim 6 wherein the seal includes a radiopaque material.

12. The method of claim 6 wherein the seal is prepared in a color that contrasts with the colors of the viscera and skeletal tissue.

13. A biocompatible seal device comprising:

a sheet, the sheet having a first surface portion contoured to cover an opening formed in a spinal disk annulus and a second surface portion contoured to align with the exterior surface of the spinal disk

wherein the sheet is composed of a material which inhibits the postoperative migration of surgically introduced bone morphogenic protein into surrounding tissue.

14. The device of claim 13 wherein the sheet is substantially pliable.

15. The device of claim 13 wherein at least a portion of the sheet is received into the opening.

16. The device of claim 13 wherein the sheet includes a radiopaque material.

17. The device of claim 13 wherein the sheet is prepared in a color that contrasts with the colors of the viscera and skeletal tissue.