Security tip for vascular catheter
CA 2605935 C · Owner: Medical Components, Inc. · Inventors: Schweikert, Timothy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catheter (100) having a first lumen (110) having a first distal tip (112) and a second lumen (130) having a second distal tip (132). The first and second distal tips (112,132) include openable portions that are normally closed when undeflected by lumen fluid pressure imbalance relative to the blood pressure of the patient. The first lumen (110) has an openable portion flap (1 14) that opens proximally into the first lumen when the first lumen is under negative pressure to withdraw blood from the vessel through the first lumen to be dialysed (but that can open distally into the vessel under positive lumen pressure to permit blood flow into the vessel). The second lumen (130) …
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 May 8, 2006 and granted November 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 8, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.