Electrostatic shield for diathermy treatment head
CA 1161501 A · Owner: International Medical Electronics, Ltd. · Inventors: Berry, Frederick M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention deals with an improved electrostatic shield (10) which is adapted to be mounted on the applicator of a conventional diathermy apparatus between the radiating electrode thereof and the patient receiving treatment. The shield (10) is comprised of a first and a second plurality of electrically conductive strips (24, 28) which form the body portion of the shield and which encircle the current carrying coil (16) of the radiating electrode. The strips (28) likewise form the face portion (14) of the shield and define a plane which is generally parallel to the plane formed by the current carrying coil (16). Each strip of the face portion (14) is preferably coupled with one of 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
- Granted January 31, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2001.
- 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.