Torque indicator for fixed screw leads

Details Torque indicator for fixed screw leads Torque indicator for fixed screw leads

1993-03-31

1994-12-20

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

128642, 607127, A61N 102

Patent

active

053742869

ABSTRACT:
A body-implantable lead (10) for use in cardiac pacing having a proximal end and a distal end, the proximal end connected to a medical device, an active fixation device such as a helix electrode (330) having a distal end and a proximal end, the tissue securing means extending from the lead body distal end, an electrical conductor (15) extending between the proximal and distal ends of the lead, and a longitudinally extending radiopaque marker (35 or 335) affixed to the lead body (10) proximal to the tissue securing means, the radiopaque marker (35 or 335) showing rotational movement or distortion of the radiopaque marker (35 or 335) under fluoroscopy.

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patent: 4771777 (1988-09-01), Horzewski et al.
patent: 4953564 (1990-09-01), Berthelson
patent: 5279299 (1994-01-01), Imran
Fundamentals of Radiology, 1964, pp. 1-13.

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