Shielded needle

Details Shielded needle Shielded needle

1985-12-17

1986-12-23

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

046310576

ABSTRACT:
An apparatus for injecting a substance into a human or animal comprising a body, a needle coupled to the body and terminating in a point and a needle guard mounted on the body for movement from a retracted position in which the guard does not shield the needle to an extended position in which the guard shields the needle. The needle guard can be releasably retained in the retracted position and locked in the extended position. Locking of the needle guard is accomplished by interlocking members carried by the needle guard and by a collar mounted on the body.

REFERENCES:
patent: 2571653 (1951-10-01), Bastien
patent: 2845065 (1958-07-01), Gabriel
patent: 3780734 (1973-12-01), Wulff
patent: 3890971 (1975-06-01), Leeson et al.
patent: 4170993 (1979-10-01), Alvarez
patent: 4356822 (1982-11-01), Winstead-Hall
patent: 4373526 (1983-02-01), Kling
patent: 4425120 (1984-01-01), Sampson et al.

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