Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-03-10
1993-12-14
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604198, 604110, 604263, A61M 532
Patent
active
052697657
ABSTRACT:
This invention provides alternate constructions and methods of manufacture for retractable protective sleeves used over the needle of syringes and the like. In one approach, the slats of the protective sleeve are formed by providing slots through a plastic cylinder. The base and outer end cap are then attached to the slats with adhesive or heat/sonic welding. In another approach, the cylinder includes the end cap and one of the slots extends from end to end. The needle is mounted in a cylindrical plug. For assembly, the cylinder is unrolled and the needle/plug are inserted from the side rather than from an end. The cylinder is then re-rolled and inserted into the base. The end cap is secure with a cylindrical collar. The base can be a stand-alone piece or built into the end of a syringe or other similar medical device employing the needle.
REFERENCES:
patent: 2857912 (1958-10-01), Feinstone et al.
patent: 4695274 (1987-09-01), Fox
patent: 4838871 (1989-06-01), Luther
patent: 4927018 (1990-05-01), Yang et al.
Alexander V.
InjectiMed, Inc.
Rosenbaum C. Fred
Streck Donald A.
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