Use of focused ultrasound for vascular sealing
CA 2387127 A1 · Owner: Zhang, Jimin · Inventors: Weng, Lee; Zhang, Jimin; Perozek, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ultrasonic applicator unit (2) is used diagnostically to locate a puncture wound (316) in an artery and then therapeutically to seal the puncture wound with high intensity focused ultrasound (HIFU). A control unit (6) coupled to the applicator unit includes a processor (74) that automates the procedure controlling various parameters of the diagnostic and therapeutic modes including the intensity and duration of the ultrasonic energy emitted by the applicator unit. A protective, sterile acoustic shell (4) which is intended , to be used with a single patient and then discarded is slipped over the , applicator unit to protect against direct contact between the applicator unit and the …
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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 October 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 25, 2022.
- 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.