Continuous injector of liquid medicine
CA 1333555 C · Owner: Mimura, Shinji · Inventors: Mimura, Shinji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous liquid medicine injector has a cylindrical body. A liquid medicine receiving portion is provided at one end of the cylindrical portion and an, instrument inserted into a human body which may be a needle is provided at the other end thereof. Two ends of a tubular rubber-like elastic film are fixed to an intermediate portion of the cylindrical body. A liquid medicine flow into the elastic film through a throughhole formed in the cylindrical body to inflate the elastic film, and the elastic film which has been inflated forms a pressurizing means of the liquid medicine. A thin tube having a predetermined inner diameter and a predetermined length is disposed within the cylindrical …
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 December 20, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 20, 2011.
- 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.