Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Patent
1996-08-29
1999-02-02
Gelzow, Scott M.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
A61N 105
Patent
active
058658424
ABSTRACT:
A connector system and method for anchoring a tubular lead or catheter member within a cranial burr hole in a patient, providing for direct in-line positioning and reliable fixation of the member with respect to the patient's skull after the distal end portion has been accurately positioned within the patient's brain. The system includes a baseplate, with or without adaptor to adapt for the burr hole size, and a two element fixation subassembly positioned within the baseplate for enabling fixing of the member to the baseplate after the member has been accurately positioned with a stereotactic instrument. The fixation subassembly suitably includes a compression seal made of a compressible material and a compression screw which, when screwed down into the baseplate, exerts an inwardly radial force on the compression seal, causing the seal to fixedly engage the lead or catheter member within the axial lumen of the baseplate. This fixation subassembly and method enable reliable anchoring of the member without any axial displacement of the distal portion. Following the compression fixation, the member is connected, preferably at right angles, and routed to a suitable electrical stimulator or fluid source.
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01.05.87-JP-1062999(09.11.88) "New skin through terminal-contg.face(s) exposed to exterior through holes penetrating . . . " by Asahi Glass KK-1988 Derwent Publications Ltd.
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Gijsbers Johannes F.M.
Knuth Henricus M.
Gelzow Scott M.
Jaro Michael J.
Medtronic Inc.
Patton Harold
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