Burr ring with integral lead/catheter fixation device

• US 6,044,304 A
• Filed: 04/29/1998
• Issued: 03/28/2000
• Est. Priority Date: 04/29/1998
• Status: Expired due to Term

• Current Assignee: Medtronic Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Incorporated (Medtronic Plc)
• Inventors: Baudino, Michael D.
• Primary Examiner(s): COHEN, LEE S
• Application Number:
  US09/067,974
• Time in Patent Office: 699 Days
• Field of Search: 600/377, 600/378, 600/561, 604/175, 606/129, 606/130, 607/116, 607/139
• US Class Current: 607/116
• CPC Class Codes: A61N 1/0539 Anchoring of brain electrode systems, e.g. within burr hole

Abstract

The present invention is a method and apparatus for securing an implantable lead within a brain of a patient comprising a bur ring and a septum contained within an aperture of the bur ring. The burr ring may be secured to a skull portion of the brain and the septum accepts and secures the lead in a substantially fixed position relative to the brain. The septum may be composed of a silicone rubber, elastomer, polyurethane, or butyl rubber. The septum may have a sold composition, a porous composition, or one have at least one blind hole for accepting the lead. The burr ring may include a one or more guides positioned along an upper flange portion of the burr ring accepting the lead and a cap capable of being positioned to close the aperture of the burr ring.

Claims

1. A device for securing an implantable lead within a brain of a patient comprising:

(a) a burr ring capable of being secured to a skull portion of the brain and having an aperture; and

(b) a septum contained within the aperture of the burr ring capable of accepting the lead at a plurality of locations along a surface of the septum and of securing the lead in a substantially fixed position relative to the brain.

2. A device of claim 1, wherein the septum is composed of a material selected from the group consisting of silicone rubber, elastomer, polyurethane, and butyl rubber.

3. A device of claim 1, wherein the septum is a porous material.

4. A device of claim 1, wherein the septum includes at least one blind hole for accepting and holding the lead.

5. A device of claim 1, further comprising at least one guide positioned along an upper flange portion of the burr ring for accepting the lead.

6. A device of claim 1, wherein the lead is an electrode.

7. A device of claim 1, wherein the lead is a catheter.

8. A device of claim 1, further comprising a cap capable of being positioned to close the aperture of the burr ring along an upper flange portion of the burr ring.

9. A method of securing an implantable lead having a distal end and a proximal end such that the distal end is positioned near a predetermined portion of a brain of a patient comprising the steps of:

(a) securing a burr ring to a skull portion of the patient, the burr ring having an aperture and a septum contained within the aperture;

(b) inserting the lead into the septum from amongst a plurality of locations along a surface of the septum in the direction of the predetermined portion of the brain; and

(c) forwarding the lead into the brain through the septum until the distal end of the lead is positioned near the predetermined portion of the brain.

10. A method of claim 9, wherein the burr ring also has at least one guide along an upper flange portion, and further comprising the step of bending a portion of the lead near the septum and positioning the lead over one guide to direct the lead in an outward direction from the burr ring.

11. A method of claim 9, further comprising the step placing a cap to cover the aperture along an upper flange portion of the burr ring.

12. A method of claim 9, wherein the step of inserting includes the step of inserting the lead into a blind hole of the septum.

13. A device for securing an implantable lead within a brain of a patient comprising:

(a) a burr ring capable of being secured to a skull portion of the brain and having an aperture; and

(b) a septum contained within the aperture of the burr ring capable of accepting and securing the lead in a substantially fixed position relative to the brain and of projecting the lead along one of a possible plurality of trajectories into the brain.

14. A device of claim 13, wherein the septum is composed of a material selected from the group consisting of silicone rubber, elastomer, polyurethane, and butyl rubber.

15. A device of claim 13, wherein the septum is a porous material.

16. A device of claim 13, wherein the septum includes at least one blind hole for accepting and holding the lead.

17. A device of claim 13, further comprising at least one guide positioned along an upper flange portion of the burr ring for accepting the lead.

18. A device of claim 13, wherein the lead is an electrode.

19. A device of claim 13, wherein the lead is a catheter.

20. A device of claim 13, further comprising a cap capable of being positioned to close the aperture of the burr ring along an upper flange portion of the burr ring.

21. A method of securing an implantable lead having a distal end and a proximal end such that the distal end is positioned near a predetermined portion of a brain of a patient comprising the steps of:

(a) securing a burr ring to a skull portion of the patient, the burr ring having an aperture and a septum contained within the aperture;

(b) inserting the lead into the septum in the direction of the predetermined portion of the brain, the septum capable of directing the lead along one of a possible plurality of trajectories into the brain; and

(c) forwarding the lead into the brain through the septum until the distal end of the lead is positioned near the predetermined portion of the brain.

22. A method of claim 21, wherein the burr ring also has at least one guide along an upper flange portion, and further comprising the step of bending a portion of the lead near the septum and positioning the lead over one guide to direct the lead in an outward direction from the burr ring.

23. A method of claim 21, further comprising the step placing a cap to cover the aperture along an upper flange portion of the burr ring.

24. A method of claim 21, wherein the step of inserting includes the step of inserting the lead into a blind hole of the septum.