Dental needle with stick resistant protective sleeve

Details Dental needle with stick resistant protective sleeve Dental needle with stick resistant protective sleeve

1990-06-07

1991-09-03

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604232, 604263, A61M 532

Patent

active

050450662

ABSTRACT:
A protective device for a dental needle is disclosed. The device comprises a generally cylindrical sleeve having therein a sliding hub assembly adapted to receive a dental syringe having a cannula with distal and proximal ends and generally rectangular openings in the walls thereof. The hub assembly includes locking means extending through the generally rectangular openings to retain the syringe in a retracted position. The sleeve extends over and covers both the distal and proximal ends of the cannula when the sleeve is in a retracted position so as to protect the dental health professional from contact with the needle.

REFERENCES:
patent: 2925083 (1960-02-01), Craig
patent: 4631057 (1986-12-01), Mitchell
patent: 4655751 (1987-04-01), Harbaugh
patent: 4695274 (1987-09-01), Fox
patent: 4767413 (1988-08-01), Haber et al.
patent: 4772272 (1988-09-01), McFarland
patent: 4898590 (1990-02-01), Andors
patent: 4915701 (1990-04-01), Halkyard
patent: 4935016 (1990-06-01), Deleo

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