Ophthalmic instrument for measuring intraocular fluid pressure
CA 1264633 C · Owner: Armoor Ophthalmics, Incorporated · Inventors: Armeniades, Constantine Demosthenes; Moorhead, Louise Cope
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1-, Abstract:, An ophthalmic device and system for measuring and controlling relative pressure of fluid inside an ocular globe includes a surgical instrument which is adapted to penetrate the ocular globe. A fluid pressure transducer is mounted on the instrument so that, when the instrument penetrates the ocular globe, the transducer is located adjacent to an opening that communicates with the interior of the globe so that it can react to pressure changes in the fluid therein and generate signals in response to pressure changes in the fluid. The signal is transmitted external of the instrument to a pump or other fluid transfer device which is operatively connected to the transducer for …
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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
- Granted January 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
- 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.