Catheter with wire reinforcement having good electrical conducti

Details Catheter with wire reinforcement having good electrical conducti Catheter with wire reinforcement having good electrical conducti

1995-04-25

1997-01-07

McDermott, Corrine M.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604264, 607122, A61M 2500

Patent

active

055911420

ABSTRACT:
The catheter comprises a generally tubular, thin walled body having a metal wire reinforcing layer defined by metal wires which are woven or wound into a generally cylindrical weave of metal wire reinforcement incorporated into the tubular body. The catheter has a distal end portion and a proximal end portion. The catheter also has at least one lumen within the tubular body. At least one electrical operating element, such as an electrically conductive sensor, is mounted on the distal end portion and is electrically connected to at least one of the wires. An electrical connecting member is mounted on the proximal end portion and electrically connected to at least one of the wires. The metal wires include at least two bundles of wires in each of which the wires are arranged side by side to enable the tubular body to have a very thin wall and are made of material, such as phosphor bronze, and not stainless steel, that will provide wires which have sufficiently high mechanical strength to impart torque transmitting properties to the catheter and which also have good electrical conductivity.

REFERENCES:
patent: 4050411 (1977-09-01), Kimmich
patent: 4073287 (1978-02-01), Bradley et al.
patent: 4176662 (1979-12-01), Frazer
patent: 4665604 (1987-05-01), Dubowik
patent: 4776334 (1988-10-01), Prionas
patent: 4840186 (1989-06-01), Lekholm et al.
patent: 4945342 (1990-07-01), Steinemann
patent: 4947866 (1990-08-01), Lessar et al.
patent: 5279596 (1994-01-01), Castaneda et al.
patent: 5290230 (1994-03-01), Ainsworth et al.
patent: 5324275 (1994-06-01), Raad et al.
patent: 5334169 (1994-08-01), Brown et al.

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