Catheter dilator/sheath assembly and method

Details Catheter dilator/sheath assembly and method Catheter dilator/sheath assembly and method

1987-05-04

1988-09-20

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604160, A61M 500

Patent

active

047722665

ABSTRACT:
Dilator/sheath assemblies for unstressed placement of catheter tubes into a body cavity of medical patients, which insure a stable axial relationship between concentrically superimposed sheath and dilator so that use is very facile for the medical attendent and insures a predetermined two-step gentle enlargement of a puncture site to accommodate unstressed placement of a catheter tube into a vein or artery through the puncture site and with minimal trauma to the patient.

REFERENCES:
patent: Re31855 (1985-03-01), Osborne
patent: 4596559 (1986-06-01), Fleischhacker
patent: 4650472 (1987-03-01), Bates

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