Safety needles medical devices capable of one handed manipulation
CA 1324546 C · Owner: Ryan Medical, Inc. · Inventors: Hinsch, Robert Milton; Kaiser, James M.; Ryan, Dana William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Improved shielded medical devices which minimize accidental needlesticks of the skin by an exposed contaminated needle are provided. The medical devices include a hollow inner tube body (10) and a telescoping outer shield (12). The outer surface (71) of the inner tube has front and rear circumferential grooves (38, 36), with a shoulder (46) located forward of the front groove (38) and a ramp (52) located rearward of the front groove (38) and decreasing in diameter as it extends away from the front groove. The shoulder (46) has a larger diameter than the ramp diameter adjacent the front groove and permits the shield (12) to be slided over the inner tube (10) without locking into the inner …
Read the whole patent
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 November 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 2010.
- 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.