Emergency medical needle

Details Emergency medical needle Emergency medical needle

1987-09-10

1988-06-28

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

A61M 532

Patent

active

047536411

ABSTRACT:
An emergency medical needle for rapid cannulation of blood vessels that comprises a cannula with orifice(s) that face towards the vessel during insertion (so-called reverse cannula position) that enhances early return of blood to indicate penetration, a tip with cutting edges that biases the direction of insertion towards the vessel, and an extension of the bottom of the cannula that prevents penetration of the opposite wall, prevents coring, and prevents plugging so as to provide an early indication of penetration.

REFERENCES:
patent: 2904045 (1959-09-01), Owings
patent: 3119391 (1964-01-01), Harrison
patent: 3906932 (1975-09-01), Ayres
patent: 4585446 (1986-04-01), Kempf

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