Pill crushing syringe with plug to impede crushed pill particles from prematurely entering the catheter
CA 2179027 A1 · Owner: Schachet, Eli · Inventors: Roth, Jerry; Bronson, Robert; Klearman, Jeffrey D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pill crushing syringe (20) is disclosed which includes a barrel (22) and a plunger (24), with abraded surfaces (32, 44) on each so that a pill placed in the barrel (22) is crushed as the plunger (24) advances within the barrel (22). The barrel (22) has an aperture (34) located near the closed end (30) with a catheter (26) connected around and extending from the aperture (34). The plunger (24) has a sealing gland (42) to provide an airtight seal with the barrel (22) so that liquid can be drawn into the barrel (22) through the aperture (34) by withdrawing the plunger (24) from the barrel (22) to thereby suspend the crushed pill in the liquid, and the suspension may be flushed from the …
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
- Filed December 14, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 14, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 14, 2016.
- 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.