Retractable sleeve-protection for injection apparatus employing

Details Retractable sleeve-protection for injection apparatus employing Retractable sleeve-protection for injection apparatus employing

1992-03-10

1994-08-09

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604 89, 604232, A61M 532

Patent

active

053362004

ABSTRACT:
This invention is a carpule-using syringe assembly having a needle protected to minimize the chance of accidental needle-stick. There is a carpule having a pierceable end and a syringe body for receiving and holding the carpule with the pierceable end adjacent an opening in an end portion of the syringe body. A cap is disposed over the pierceable end. The cap includes a support portion disposed in the opening. There are carpule-piercing portions for piercing the pierceable end of the carpule through the cap and a needle having a patient-piercing end. A retractable protective sleeve formed of a plurality of longitudinal slats is disposed over the patient-piercing end of the needle. Finally, there is provision for attaching the needle and the retractable protective sleeve in combination to the support portion with the needle in communication with an interior portion of the carpule through the carpule-piercing portions.

REFERENCES:
patent: 2157503 (1939-05-01), Smith
patent: 3080866 (1963-03-01), Friedman
patent: 3511239 (1970-05-01), Tuschhoff
patent: 4695274 (1987-09-01), Fox
patent: 4826489 (1989-05-01), Haber et al.

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