A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/32 (2006.01) A61B 5/15 (2006.01) A61M 25/06 (2006.01) A61M 5/24 (2006.01) A61M 5/31 (2006.01)
Patent
CA 2081064
ABSTRACT OF THE DISCLOSURE An improved hypodermic syringe is disclosed. The syringe is stackable, disposable, non-reusable, and is structured so as to prevent accidental stabbing prior to or after use, and also permits insertion of the needle with a preferred orientation. The needle is rendered unusable following use. At the same time, the needle permits precise measurement of amount of injected or withdrawn fluid. The needle is retractable after use, with one finger. The invention is directed particularly to features that prevent medical practitioners and others from being stuck by needles after they have been in contact with body fluids from patients. A movable shield is provided over a standard VACUTAINER HOLDER NEEDLE, an intravenous catheter needle shield is provided, and an adaptation of the intravenous catheter needle shield to include butterfly wings facilitate stable holding of said needle holder during intravenous injection or withdrawal of fluids is also provided. One embodiment of the invention provides a double-needle structure.
Firth John R.
Meyer Ronald A.
Perez Anthony R.
Ridout & Maybee Llp
Safety Syringes Inc.
LandOfFree
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