Tool and a method for attaching a cardiac stimulator lead at...

Details Tool and a method for attaching a cardiac stimulator lead at... Tool and a method for attaching a cardiac stimulator lead at...

2011-07-19

2011-07-19

Nguyen, Tuan V. (Department: 3731)

Surgery

Instruments

Electrode guide means

C607S122000

Reexamination Certificate

active

07981121

ABSTRACT:
For attaching a cardiac stimulator lead at a desired position inside a heart, the stimulator lead having a flexible tube from which a helix is extendible at a distal end thereof by a screw rotating motion and having a proximal end interconnected with an operating member, a tool has a flexible portion wire with an engagement formation at a distal end thereof that mates with a complimentary engagement formation at a proximal end of the operating member. The tool has a handle containing an internal cavity, with a proximal portion of the torsion wire being rotationally rotated by the handle in the internal cavity, and a resilient yoke is formed in the internal cavity, with at least a part of the yoke engaging grooves and ridges in a circumferential boundary surface of the internal cavity.

REFERENCES:
patent: 5514173 (1996-05-01), Rebell et al.
patent: 7096071 (2006-08-01), Ollivier et al.
patent: 7491232 (2009-02-01), Bolduc et al.
patent: 0 113 253 (1984-07-01), None
patent: 1 560 411 (1980-02-01), None

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