Medical electrical lead system having a torque transfer stylet

Details Medical electrical lead system having a torque transfer stylet Medical electrical lead system having a torque transfer stylet

Filed on

1994-07-28

Date issued

1996-06-04

Examiner

Kamm, William E.

Patent Class

Surgery: light, thermal, and electrical application

SubClass

Light, thermal, and electrical application

SubSubClass

Electrical energy applicator

Other Related Categories

128772, 607120, 604166, 604282, A61N 105

Type

Patent

Status

active

Patent number

055228755

Description

ABSTRACT:
A medical electrical lead system having a torque transfer stylet. In a preferred embodiment, the torque transfer stylet comprises an elongated, stylet wire having proximal, intermediate and distal sections. The proximal and distal section of the stylet wire have a first diameter. The intermediate section spans between the proximal and distal sections. The stylet wire in this region, however, has a second diameter, the second diameter smaller than the first diameter of the proximal and distal sections. In addition, the intermediate section further has a length of torque coil wrapped thereabout. The torque coil preferably is wound in a coiled diameter which is the same as the first diameter of the proximal and distal sections of the stylet wire. Through such a configuration the stylet has an overall nearly uniformed diameter through its length.

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Medtronic Technical Manual, Myocardial, Unipolar Lead, Mar. 1991, UC9001746bEN 195409-002.

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