Semi-automatic cannulation device or manually triggered self-pro

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

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604157, 604164, A61M 3700

Patent

active

055272908

ABSTRACT:
An improved intravascular catheter placement device including a hollow needle, an intravascular catheter concentric with said hollow needle, a chamber in communication with said hollow needle wherein the pressure within said chamber is a manually created vacuum pressure. A self-propelling apparatus is also included for moving said catheter into a blood vessel upon sensing penetration of the wall of the blood vessel by the tip of the hollow needle.

REFERENCES:
patent: 4292970 (1981-10-01), Hession
patent: 4464177 (1984-08-01), McGaughey et al.
patent: 5186712 (1993-02-01), Kelso

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