Flash plug for i.v. catheters
CA 1307431 C · Owner: Chang, Joseph Jawshin · Inventors: Chang, Joseph Jawshin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
FLASH PLUG FOR I.V. CATHETERS, Abstract of the Disclosure A flash plug for an I.V. catheter is formed of a body of polymeric material, and has a narrow distal end for insertion within a catheter flash chamber and a larger proximal end which extends from the flash chamber. The flash plug has an aperture extending through it from the distal to the proximal end. An insert of a porous material is located within the aperture and is capable of, passing air and blocking the flow of blood. The catheter body is compatible with flash chamber material so as to remain securely located within the flash chamber and provides protection for the insert. The aperture diameter is sized to retain the porous …
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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 September 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 15, 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.