Catheter for guide-wire tracking

Details Catheter for guide-wire tracking Catheter for guide-wire tracking

1986-06-02

1988-04-26

Coven, Edward M.

Surgery

Truss

Pad

604282, A61B 600

Patent

active

047397683

ABSTRACT:
A catheter for use with a guide wire which can be guided from an external body access site to an internal tissue, and into the tissue along a tortuous path of at least about 5 cm through vessels of less than about 3 mm lumen inner diameter. The catheter includes a relatively stiff proximal segment dimensioned to track the wire from the access site to a region adjacent the internal tissue, and a relatively flexible distal segment dimensioned to track the wire along the tortuous path within the soft tissue.

REFERENCES:
patent: 4239042 (1980-12-01), Asai
patent: 4385635 (1983-05-01), Ruiz
patent: 4417886 (1983-11-01), Frankhouser et al.
patent: 4545390 (1985-10-01), Leary
patent: 4655746 (1987-04-01), Daniels et al.

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