Surgery – Truss – Pad
Patent
1994-01-13
1996-01-09
Sykes, Angela D.
Surgery
Truss
Pad
128657, 128658, 128696, 128700, 607122, 607125, 606124, A61B 5042, A61B 1736
Patent
active
054820375
ABSTRACT:
An electrode catheter for intravenous insertion into a cavity of the heart comprises a tubular sheath accommodating a first spiral wound wire of conductive biocompatible material, which affords an insulated operative portion exposed from the sheath and capped distally by a domed ring, and a mapping electrode of conductive biocompatible material for sensing the electrical activity in the cardiac muscle, which is carried coaxially by the first spiral wound wire and capable of movement along the operative portion transmitted by means of a second spiral wound wire extending coaxially through the first and connected to an external control handset. The operative portion of the first wire is arched by means of a tension wire designed to establish a restraint between the domed ring and the distal end of the sheath, of which the length can be increased or reduced to alter the loop of the arched profile as expedient for the shape of the cavity explored.
REFERENCES:
patent: 452220 (1891-05-01), Gunning
patent: 4660571 (1987-04-01), Hess et al.
patent: 4757827 (1988-07-01), Buchbinder et al.
patent: 4848352 (1989-07-01), Pohndorf et al.
patent: 4969463 (1990-11-01), Dahl et al.
patent: 5313943 (1994-05-01), Houser et al.
Huang Stephen
Sykes Angela D.
X-Trode S.r.l.
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