Nucleus augmentation delivery device and technique
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-002/44
A61M-025/10
A61F-002/46
A61B-017/88
출원번호
US-0740503
(2013-01-14)
등록번호
US-9162041
(2015-10-20)
발명자
/ 주소
O'Neil, Michael J
Rusbarsky, Christine
Hawkins, John Riley
출원인 / 주소
DePuy Synthes Products, Inc.
대리인 / 주소
Scott, Jr., Raymond N.
인용정보
피인용 횟수 :
0인용 특허 :
113
초록▼
A method of performing a procedure on an intervertebral disc includes inserting a cannulated delivery tube through an opening in an annulus fibrosus of the intervertebral disc, positioning an expandable portion of the tube within the opening in the annulus fibrosus, expanding the expandable portion
A method of performing a procedure on an intervertebral disc includes inserting a cannulated delivery tube through an opening in an annulus fibrosus of the intervertebral disc, positioning an expandable portion of the tube within the opening in the annulus fibrosus, expanding the expandable portion into contact with the annulus fibrosus about the opening to create a seal between the expandable portion and the annulus fibrosus, performing a procedure through the cannulated delivery tube within the annulus fibrosis, removing the tube, and closing the opening in the annulus fibrosus.
대표청구항▼
1. A method of delivering a nucleus pulposus replacement material comprising: removing nucleus pulposus material from an intervertebral disc;inserting a cannulated delivery tube through an opening in an annulus fibrosus of the intervertebral disc, the cannulated delivery tube including an inflatable
1. A method of delivering a nucleus pulposus replacement material comprising: removing nucleus pulposus material from an intervertebral disc;inserting a cannulated delivery tube through an opening in an annulus fibrosus of the intervertebral disc, the cannulated delivery tube including an inflatable annular balloon disposed proximate a distal portion of the delivery tube;inflating the inflatable annular balloon of the cannulated delivery tube against the annulus fibrosus about the opening to create an annular seal between the inflatable annular balloon of the cannulated delivery tube and the annulus fibrosus and thereby seal the opening in the annulus fibrosus;injecting a known amount of volumetric material through the cannulated delivery tube and the sealed opening directly into the annulus fibrosus, and not into an implant placed in the annulus fibrosus, to determine the volume of nucleus pulposus material removed from the intervertebral disc,removing the volumetric material injected in the annulus fibrosus;delivering through the cannulated delivery tube and the sealed opening in the annulus fibrosus an amount of a nucleus pulposus replacement material directly into the annulus fibrosus and not into an implant placed in the annulus fibrosus, the amount of nucleus pulposus replacement material being based on the amount of volumetric material injected;removing the cannulated delivery tube; andclosing the opening in the annulus fibrosus. 2. The method of claim 1, wherein the inflatable annular balloon is positioned extra-annularly. 3. The method of claim 1, wherein the inflatable annular balloon is positioned intra-annularly. 4. The method of claim 1, wherein the inflatable annular balloon is positioned inter-annularly. 5. The method of claim 1, wherein the nucleus pulposus replacement material comprises at least one of polyethylenes, silicones, polyurethanes, metallics, ceramics, collagen, and hydrogels. 6. The method of claim 1, wherein the nucleus pulposus replacement material is injected into the annulus fibrosus through the cannulated delivery tube. 7. The method of claim 1, wherein the nucleus pulposus replacement material is packed into the annulus fibrosus through the cannulated delivery tube. 8. The method of claim 1, wherein the volumetric material comprises at least one of saline, gels, or polymers. 9. The method of claim 1, wherein the volumetric material includes a radio-opaque contrast agent. 10. The method of claim 1, wherein the cannulated delivery tube further comprises a check valve to prevent backflow of the volumetric material or the nucleus pulposus replacement material. 11. A method of delivering a nucleus pulposus replacement material comprising: removing nucleus pulposus material from an intervertebral disc;inserting a cannulated delivery tube through an opening in an annulus fibrosus of the intervertebral disc, the cannulated delivery tube including a gasket disposed proximate a distal portion of the delivery tube;creating an annular seal between the gasket of the cannulated delivery tube and the annulus fibrosus and thereby seal the opening in the annulus fibrosus;injecting a known amount of volumetric material through the cannulated delivery tube and the sealed opening directly into the annulus fibrosus, and not into an implant placed in the annulus fibrosus, to determine the volume of nucleus pulposus material removed from the intervertebral disc;removing the volumetric material injected in the annulus fibrosus;delivering through the cannulated delivery tube and the sealed opening in the annulus fibrosus an amount of a nucleus pulposus replacement material directly into the annulus fibrosus and not into an implant placed in the annulus fibrosus, the amount of nucleus pulposus replacement material being based on the amount of volumetric material injected;removing the cannulated delivery tube; andclosing the opening in the annulus fibrosus. 12. The method of claim 11, wherein the gasket is an expandable gasket. 13. The method of claim 11, wherein the gasket is one of a soft elastomeric gasket and a foam gasket. 14. The method of claim 11, wherein the gasket is shaped as one of a ring, an hourglass, and tapered. 15. The method of claim 11, wherein the nucleus pulposus replacement material comprises at least one of polyethylenes, silicones, polyurethanes, metallics, ceramics, collagen, and hydrogels. 16. The method of claim 11, wherein the nucleus pulposus replacement material is packed into the annulus fibrosus through the cannulated delivery tube. 17. The method of claim 11, wherein the volumetric material comprises at least one of saline, gels, or polymers. 18. The method of claim 11, wherein the volumetric material includes a radio-opaque contrast agent. 19. The method of claim 11, wherein the cannulated delivery tube further comprises a check valve to prevent backflow of the volumetric material or the nucleus pulposus replacement material.
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