Wireless high flow intravascular sheath introducer and method

Details Wireless high flow intravascular sheath introducer and method Wireless high flow intravascular sheath introducer and method

1992-04-23

1993-09-07

Hirsch, Paul J.

Surgery

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

Treating material introduced into or removed from body...

A61M 500

Patent

active

052424103

ABSTRACT:
A wireless high flow sheath introducer for intravascular access and a method for using such an introducer. The invention comprises a large bore flow sheath having a nested, coaxial, tapered dilator which dilates a vein to a size sufficient for introduction of the large bore flow sheath, and a needle nested within the tapered dilator and coaxial therewith for initially piercing the target vessel. The present invention also provides a method of using such an instrument.

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patent: 4978334 (1990-12-01), Toye et al.
patent: 4994027 (1991-02-01), Farrell
patent: 4995866 (1991-02-01), Amplatz et al.

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