Safety device for hypodermic needle or the like

Details Safety device for hypodermic needle or the like Safety device for hypodermic needle or the like

1990-10-11

1992-01-28

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604110, 604263, A61M 532

Patent

active

050840304

ABSTRACT:
A safety device for a hypodermic needle or for a similar instrument used in the clinical puncture of the skin comprises a sheath (6, 25 or 32) adapted to be connected to the needle (5, 21 or 33) or to a support (4 or 31) for the needle. The sheath is so connected in a first position (FIG. 1A, 2A, or 3A) which permits normal use of the needle and can be placed, by movement relative to the needle (FIG. 1B or 3B) or by folding upon itself (FIGS. 2B and 2C) in a second position in which the needle is encapsulated by the sheath. The sheath is retained in that second position, for example by a projection (9, 27 or 35) extending into a slot (10 or 36) or through an aperture (28).

REFERENCES:
patent: 3536073 (1970-10-01), Farb
patent: 3890971 (1975-06-01), Leeson et al.
patent: 4573976 (1986-03-01), Sampson et al.
patent: 4631057 (1986-12-01), Mitchell
patent: 4695274 (1987-09-01), Fox
patent: 4826490 (1989-05-01), Byrne et al.

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