Device for non-invasive measurement of fluid pressure in an adjustable restriction device
CA 2537562 C · Owner: Hassler, William L. Jr. · Inventors: Holscher, Russell L.; Perry, Lauren S.; Hassler, William L. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A restriction system, such as an adjustable gastric band for forming a restriction in a patient and non-invasively communicating pressure data regarding the restriction to an external monitor. The system includes a restriction device for implantation in a patient to form a restriction. The system further includes an implanted port connected to the restriction device. The port contains a working fluid for affecting the size of the restriction. The system further includes a pressure sensing system in communication with the working fluid for measuring the pressure of the working fluid and transmitting pressure measurement data to an external monitor.
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 February 21, 2006 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 21, 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.