Infusion needle

Details Infusion needle Infusion needle

1985-04-01

1987-10-13

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604274, A61M 3100

Patent

active

046996125

ABSTRACT:
A method and an apparatus for safely infiltrating an area of subcutaneous tissue from a single entry point with an elongated needle which avoids puncturing blood vessels. The needle is substantially blunt so as to be capable of penetrating subcutaneous tissue and to divert blood vessels around the needle on insertion. Toxic local anesthetics can be injected during insertion of the needle without having to first retract the needle to verify that a blood vessel has not been punctured.

REFERENCES:
patent: 3369542 (1968-02-01), Thaidigsman
patent: 3840008 (1974-10-01), Noiles
patent: 3854477 (1974-12-01), Smith
patent: 4411657 (1983-10-01), Galindo
patent: 4453928 (1984-06-01), Steiger
patent: 4536180 (1985-08-01), Johnson

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