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Expired Canadian patentCanada

Lithotripsy work station

CA 1291791 C · Owner: Heumann, Reiner · Inventors: Noske, Erich; Rattner, Manfred; Heumann, Reiner

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A lithotripsy work station has a table for supporting a patient which is adjustable in three spatial directions with a. least one shock wave generator disposed below the table. The shock wave generator is adjustably mounted so that movement of its focus to an isocenter is possible. For locating renal calculi, an x-ray examination apparatus is provided which transilluminates the patient at various angles. A plane defined by two central rays of the x-ray apparatus proceeds through the longitudinal axis of the patient supporting table such that one, radiator of the x-ray system emits radiation in an a.p.-direction and a second radiator of the x-ray apparatus emits radiation in 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 November 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 7, 1986
GrantedNovember 5, 1991
Term endedNovember 5, 2008
Patent numberCA 1291791 C
Classification (IPC)A61B17/22 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 7, 1986Patent grantedNov 5, 1991Term endedNov 5, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.