Vascular dilator with truncated tip

Details Vascular dilator with truncated tip Vascular dilator with truncated tip

1989-07-25

1991-10-15

Bahr, Robert

Surgery

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

Treating material introduced into or removed from body...

604280, 604272, A61M 5178

Patent

active

050570838

ABSTRACT:
A vascular dilator has a truncated tip adapted to reduce the risk of trauma to a blood vessel into which the dilator is to be inserted. The vascular dilator comprises an elongate tube having a guide member lumen of uniform diameter in which a guide member may pass. The thickness of the walls of the elongate tube decreases at the distal portion to create a tapered configuration. The distal portion terminates in an outlet defined by first and second arcuate segments. The first arcaute segment lies generally in a plane perpendicular to the longitudinal axis of the tube, whereas the second segment lies so as to meet the first segment at angle in the range of 30.degree. to 60.degree..

REFERENCES:
patent: 3877429 (1975-04-01), Rasumoff
patent: 4565545 (1986-01-01), Suzuki
patent: 4588398 (1986-05-01), Daugherty et al.
patent: 4617019 (1986-10-01), Fecht et al.
patent: 4629450 (1986-12-01), Suzuki et al.
patent: 4721506 (1988-01-01), Teves
patent: 4772266 (1988-09-01), Groshong
patent: 4850960 (1989-07-01), Grayzel
patent: 4895564 (1990-01-01), Farrell
patent: 4944729 (1990-07-01), Buckberg et al.

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