Device and method for selectively removing a thrombus filter
CA 2396708 A1 · Owner: Whitcher, Forrest D. · Inventors: Whitcher, Forrest D.; Kim, Hannah Shu; Devries, Robert B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thrombus filter which can be securely fixed in a selected location in the vascular system of a patient and removed when no longer required. The thrombus filter includes a plurality of struts and includes anchor members joined to the free end of each strut. The thrombus filter includes an insulating layer substantially covering the thrombus filter including the body portion the , struts and the anchor members and an opening proximate the anchor members which creates a conductive path between the thrombus filter and the patient's body. When removal of the thrombus filter is desired a power supply is used , to selectively apply a voltage differential between the thrombus filter 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 January 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 23, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2023.
- 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
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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.