Needle tip cover

Details Needle tip cover Needle tip cover

1991-04-15

1992-12-15

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

051712296

ABSTRACT:
A small needle tip cover is provided which is capable of rendering a used disposable needle safe from accidental punctures. The needle tip cover can take the form of a small rectangular piece of sheet metal that is bent back upon itself. The bend is shaped to provide a spring means which is operable to force the opposing sides of the cover together. The inner surfce of each side includes a plurality of serrated burrs which contact the shaft of a used needle and prevent the tip thereof from escaping. The needle tip cover is kept open by a collapsible column. Until the introduction of a used needle tip therebetween, the column is subject to failure from any slight transverse force, such as that provided by the shaft of the needle pressing there against.

REFERENCES:
patent: 3904033 (1975-09-01), Haerr
patent: 4006744 (1977-02-01), Steer
patent: 4405312 (1983-09-01), Gross et al.
patent: 4702736 (1987-10-01), Kalt et al.
patent: 4723948 (1988-02-01), Clark et al.
patent: 4801296 (1989-01-01), Vaillancourt
patent: 4929241 (1990-05-01), Kulli
patent: 4935011 (1990-06-01), Hogan
patent: 5053017 (1991-10-01), Chamuel

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