Safety syringe having a needle to be retracted and canted within a protective sleeve
CA 1306159 C · Owner: Foster, Clark B. · Inventors: Haber, Terry M.; Foster, Clark B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A shielded safety syringe comprising a cylindrical outer protective sleeve, a cylindrical inner needle carrier movable axially through the outer sleeve, and a double-ended hypodermic needle retained at a distal end of the needle carrier and movable with the carrier through the sleeve. A movement of the inner needle carrier through the outer protective sleeve correspondingly causes the needle to be relocated from an axially extended position at which to make, a veni puncture through a patient's tissue to a retracted, position, at which the needle is completely surrounded and shielded by the outer sleeve to permit a safe handling and disposal of the syringe. When the needle is located in the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.