Torquable catheter

Details Torquable catheter Torquable catheter

1992-09-16

1994-08-02

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

A61M 2500

Patent

active

053341457

ABSTRACT:
A torquable catheter with a flexible elongate tubular member which has proximal and distal extremities and a longitudinal axis. The tubular member has a first portion and second portions, each having proximal and distal extremities. The first portion has its proximal extremity adjacent to the proximal extremity of the tubular member, and is comprised of a plastic torque tube which has a cylindrical wall that is circular in cross-section. The cylindrical wall has fibers disposed in it to provide good torque characteristics. The second portion is adjacent the distal extremity of the flexible elongate tubular member and is comprised of a metal torque tube which has at least one slot in it extending substantially transversely of the longitudinal axis. A flexible sleeve encases the metal torque tube. A joint is formed between the proximal extremity of the metal torque tube and the distal extremity of the plastic torque tube. A handle is mounted on the proximal extremity of the flexible elongate member and is used to cause bending of the of the second portion.

REFERENCES:
patent: 2498692 (1950-02-01), Mains
patent: 3605725 (1971-09-01), Bentov
patent: 4586923 (1986-05-01), Gould et al.
patent: 4753223 (1988-06-01), Bremer
patent: 4870951 (1989-10-01), Suzuki
patent: 4871229 (1989-10-01), Tashiro
patent: 4911148 (1990-03-01), Sosnowski et al.
patent: 5174276 (1992-12-01), Crockard
patent: 5179935 (1993-01-01), Miyagi

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