Pacemaker lead with extendable retractable lockable fixing helix

Details Pacemaker lead with extendable retractable lockable fixing helix Pacemaker lead with extendable retractable lockable fixing helix

1992-01-15

1993-11-09

Cohen, Lee S.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

128642, 607127, A61N 105

Patent

active

052593959

ABSTRACT:
A body implantable lead including a sheath, an electrode sleeve secured at a distal end of the sheath, a rotor body positioned within the sleeve, a fixing helix secured to a distal end of the rotor body, a torsion spring secured to a proximal end of the rotor body, and a rotation guide formed between the electrode sleeve and the rotor body which includes a helical groove formed on either the rotor body or the electrode sleeve and at least one guide pin formed on the electrode sleeve or the rotor body, respectively.

REFERENCES:
patent: 4628943 (1986-12-01), Miller
patent: 4667686 (1987-05-01), Peers-Travarton
patent: 4886074 (1989-12-01), Bisping
patent: 4953564 (1990-09-01), Berthelsen
patent: 5020545 (1991-06-01), Soukup
patent: 5152299 (1992-10-01), Soukup

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