A device for enabling the treatment of haemorrhoids
CA 2335173 A1 · Owner: Delassus, Patrick · Inventors: Delassus, Patrick; Ghareeb, Essam
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for enabling the treatment of haemorrhoids includes a barrel (11) having a longitudinal bore with an opening (32) at the free end of the barrel. A pump action handle (12) communicates with the opening (32) via the bore to establish a reduced air pressure in the opening (32) for drawing a haemorrhoid into the opening. A plurality of rubber bands (33 to 37) are stretched circumferentially around the barrel near its free end on a tubular fabric (42). A trigger mechanism (13) is arranged to draw the free forward end of the fabric progressively around the end of the barrel and into the opening (32) to release the rubber bands consecutively off the free end of the barrel onto 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 June 15, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 15, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 15, 2021.
- 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.