Cranial sealing plug
First Claim
1. A cranial sealing plug assembly adapted for insertion into a burr hole having a size D2 made in a patient'"'"'s skull, comprising:
- a burr hole plug ring insertable into the burr hole so as to be flush with the patients skull, the plug ring having an opening through its center which allows access into the burr hole; and
a sealing member that seals the opening through the center of the plug ring;
wherein the burr hole plug ring has a diameter D1 that is slightly larger than the size D2 of the burr hole, thereby creating a compression force that prevents movement of a lead passing through the sealing member; and
wherein the compression force further stabilizes the burr hole plug assembly in the burr hole.
3 Assignments
0 Petitions
Accused Products
Abstract
Various embodiments of a burr hole plug assembly offer significant improvements for allowing lead and/or cannula access through a burr hole drilled through a patient'"'"'s skull in connection with a Deep Brain Stimulation system, and subsequent sealing of such burr hole. The various burr hole plug assemblies described: (a) accommodate various burr hole sizes and provide a secure fit in the burr hole; (b) accommodate various locations for lead positioning and adjustment; (c) allow the lead to remain in a static position when the burr hole plug assembly is placed; (d) protect the lead from fracture at the exit location of the plug; (e) remain flush with the skull to avoid skin erosion and to eliminate unsightly flange protrusion from the patients'"'"' skull; (f) adequately hold the lead in place over time; and (g) provide a selection of various types of burr hole plug assemblies and sizes for use by the implanting surgeon, thereby eliminating the need for surgeons to resort to custom plugs and plug assemblies made in the operating room specifically to fit a given patient.
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Citations
9 Claims
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1. A cranial sealing plug assembly adapted for insertion into a burr hole having a size D2 made in a patient'"'"'s skull, comprising:
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a burr hole plug ring insertable into the burr hole so as to be flush with the patients skull, the plug ring having an opening through its center which allows access into the burr hole; and a sealing member that seals the opening through the center of the plug ring; wherein the burr hole plug ring has a diameter D1 that is slightly larger than the size D2 of the burr hole, thereby creating a compression force that prevents movement of a lead passing through the sealing member; and wherein the compression force further stabilizes the burr hole plug assembly in the burr hole. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification