Convertible guidewire-catheter with soft tip

Details Convertible guidewire-catheter with soft tip Convertible guidewire-catheter with soft tip

1990-10-29

1993-01-12

Hindenburg, Max

Surgery

Truss

Pad

128657, 604282, 604280, A61B 500

Patent

active

051781581

ABSTRACT:
A convertible wire for use as a guidewire or a catheter in medical applications. The convertible wire comprises a coil spring structure that extends over a proximal portion and a distal tip portion. The spring pitch at the distal tip portion is greater than the spring pitch at the proximal portion to provide greater flexibility at the distal tip portion. A polyimide sheath surround the proximal portion of the spring for increased strength. An outer polytetrafluoroethylene sheath overlies the polyimide sheath and the coil spring in the distal tip portion so the distal tip portion constitutes an atraumatic soft, floppy tip that readily travels through passages in the body.

REFERENCES:
patent: 3749086 (1973-07-01), Kline et al.
patent: 4003369 (1977-01-01), Heilman et al.
patent: 4719924 (1988-01-01), Crittenden et al.
patent: 4723936 (1988-02-01), Buchbinder et al.
patent: 4739768 (1988-04-01), Engelson
patent: 4763647 (1988-08-01), Gambale
patent: 4779628 (1988-10-01), Machek
patent: 4798598 (1989-01-01), Bonello et al.
patent: 4846186 (1989-07-01), Box et al.
patent: 4899787 (1990-02-01), Ouichi et al.
patent: 4906241 (1990-03-01), Noddin et al.
patent: 4934380 (1990-06-01), de Toledo
patent: 4940062 (1990-07-01), Hampton et al.
patent: 4955862 (1990-09-01), Sepetka
patent: 4981478 (1991-01-01), Evard et al.
Sos et al., A New Open-Ended Guidewire/Catheter, 154 Radiology 817-818 (1985).

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