Chest drainage collection system
CA 1109747 A · Owner: C.R. Bard, Inc. · Inventors: Nehring, John R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a chest drainage collection system including a manifold to which a suction control container a, water seal container, and one or more collection containers are releasably secured. The manifold includes a first passage communicating between the suction control and water seal containers and a second passage communicating between the water seal and collection containers. The system includes a suction control apparatus including means for reducing the loss of liquid in the suction control container due to entrainment in air and means for attenuating noise in the suction control container. A flexible plastic sleeve is provided for transmitting atmospheric air into an air chamber …
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 September 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 1998.
- 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.