Claims
- 1. An implantable neurological stimulation system having a tissue in-growth anchor, comprising:
an implantable neurostimulator; at least one implantable stimulation lead coupled to the implantable neurostimulator; at least one electrode coupled to the implantable stimulation lead; and, an in-growth anchor coupleable to the implantable stimulation lead and configured for anchoring the implantable stimulation lead to tissue, the in-growth anchor positioned proximal to and not in contact with the electrode.
- 2. The implantable neurological stimulation system as in claim 1 wherein the in-growth anchor is positioned proximally to the most proximal electrode.
- 3. The implantable neurological stimulation system as in claim 2 wherein the in-growth anchor is positioned in the range from about 5 millimeters to about 25 millimeters from the most proximal electrode.
- 4. The implantable neurological stimulation system as in claim 1 wherein the tissue is located near where the implantable neurological stimulation lead enters the human body on subcutaneous tissue.
- 5. The implantable neurological stimulation system as in claim 1 wherein the in-growth anchor is configured to be positioned proximate to a sacrum posterior surface.
- 6. The implantable neurological stimulation system as in claim 5 wherein the in-growth anchor is configured to extend from about the sacrum posterior surface in the posterior direction.
- 7. The implantable neurological stimulation system as in claim 6 wherein the in-growth anchor is configured to extend from about the sacrum posterior surface in the posterior direction through a fascia layer.
- 8. The implantable neurological stimulation system as in claim 5 wherein the in-growth anchor is configured to extend from the sacrum posterior surface in the range from about 5 millimeters to about 25 millimeters.
- 9. The implantable neurological stimulation system as in claim 1 wherein the in-growth anchor is secured at a selected anchor position at least until sufficient tissue in-growth has anchored the tissue in-growth anchor at a tissue location.
- 10. An implantable neurological stimulation system having a tissue in-growth anchor, comprising:
an implantable neurostimulator; at least one implantable stimulation lead coupled to the implantable neurostimulator; at least one electrode coupled to the implantable stimulation lead and an implantable therapy delivery device; and, means for tissue in-growth coupleable to the implantable stimulation lead, the means for in-growth configured to receive tissue in-growth to anchor the implantable stimulation lead to tissue.
- 11. An implantable neurological stimulation lead configured for percutaneous implantation having a tissue in-growth anchor, comprising:
a lead body having a distal body end, a proximal body end; at least one electrode coupled to the distal body end; at least one connector coupled to the proximal body end; at least one conductor carried in the lead body, the conductor electrically connecting the at least one electrode to the at least one connector and insulated by the lead body; at least one in-growth anchor coupleable to the implantable neurological stimulation lead and configured for anchoring the implantable neurological stimulation lead to tissue, the in-growth anchor positioned proximal to the electrode.
- 12. The implantable neurological stimulation lead as in claim 11 wherein the in-growth anchor is positioned proximally to the most proximal electrode.
- 13. The implantable neurological stimulation lead as in claim 12 wherein the in-growth anchor is positioned in the range from about 5 millimeters to about 25 millimeters from the most proximal electrode.
- 14. The implantable neurological stimulation lead as in claim 1 wherein the tissue is located near where the implantable neurological stimulation lead enters the human body on subcutaneous tissue.
- 15. The implantable neurological stimulation lead as in claim 1 wherein the in-growth anchor is configured to be positioned proximate to a sacrum posterior surface.
- 16. The implantable neurological stimulation lead as in claim 15 wherein the in-growth anchor is configured to extend from about the sacrum posterior surface in the posterior direction.
- 17. The implantable neurological stimulation lead as in claim 16 wherein the in-growth anchor is configured to extend from about the sacrum posterior surface in the posterior direction through a fascia layer.
- 18. The implantable neurological stimulation lead as in claim 15 wherein the in-growth anchor is configured to extend from the sacrum posterior surface in the range from about 5 millimeters to about 25 millimeters.
- 19. A tissue in-growth anchor for an implantable neurological stimulation lead, comprising:
a lead attachment element coupling for the tissue in-growth anchor to the implantable neurological stimulation lead; and, a tissue fixation element connected to the implantable neurological stimulation lead, the tissue fixation element configured for receiving tissue in-growth to anchor the implantable neurological stimulation lead.
- 20. The implantable neurological stimulation lead as in claim 19 wherein the in-growth anchor is a textured material.
- 21. The implantable neurological stimulation lead as in claim 20 wherein the textured material is a three-dimensional matrix with microvoids in the range from about 1 micron to about 500 microns.
- 22. A method for anchoring an implantable neurological stimulation lead having a tissue in-growth anchor, comprising:
inserting an implantable neurological stimulation lead having a tissue in-growth anchor into a human body; positioning the implantable neurological stimulation lead at a selected delivery position in the human body; positioning the tissue in-growth anchor at a selected anchor position in the human body; and, anchoring the tissue in-growth anchor once sufficient tissue in-growth has attached the tissue in-growth anchor to tissue.
- 23. The method as in claim 22 further comprising securing the in-growth anchor at the selected anchor position at least until sufficient tissue in-growth has anchored the tissue in-growth anchor.
- 24. The method as in claim 22 wherein the tissue location is near where the implantable neurological stimulation lead enters the human body on subcutaneous tissue.
RELATED APPLICATIONS
[0001] This application claims the benefit of provisional application, U.S. Ser. No. 60/325,904, filed on Sep. 28, 2001. This disclosure is related to the following co-pending applications entitled “Minimally Invasive Surgical Techniques For Implanting Devices That Deliver Stimulation To The Nervous System” by inventors Gerber et al. (application Ser. No. 09/489,544; filed Jan. 31, 2000) and “Minimally Invasive Apparatus For Implanting A Sacral Stimulation Lead” by inventors Mamo et al. (application Ser. No. 09/827,740, filed Apr. 7, 2001), which are not admitted as prior art with respect to the present disclosure by its mention in this cross reference section.
Provisional Applications (1)
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Number |
Date |
Country |
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60325904 |
Sep 2001 |
US |