Angiographic catheter with soft tip end

Details Angiographic catheter with soft tip end Angiographic catheter with soft tip end

1981-05-15

1983-05-31

Howell, Kyle L.

Surgery

Truss

Pad

604280, A61B 600

Patent

active

043856357

ABSTRACT:
An angiographic catheter having a soft flexible, pliable leading tip zone consisting of elastomeric material wherein the tip zone of an axial length in the range between 1 and 10 millimeters, and wherein the catheter is composed of a main reinforced length and an intermediate zone between the tip zone and the main length, the main length being reinforced by an inner tube of a polyamide material and wherein the polyamide is tapered in the intermediate zone to provide a tapered reinforced section tapering distally and uniformly to zero at the tip zone. The catheter may be provided with perforations in a pattern as desired.

REFERENCES:
patent: 2857915 (1958-10-01), Sheudau
patent: 3612038 (1971-10-01), Halligan
patent: 3618614 (1971-11-01), Flynn
patent: 3935857 (1976-02-01), Co
patent: 4015601 (1977-04-01), Bokros
patent: 4117836 (1978-10-01), Erickson
patent: 4184497 (1980-01-01), Koloff et al.
patent: 4279252 (1981-07-01), Martin

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