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Expired Canadian patentCanada

Apparatus for removing obstructions from organs and body cavities

CA 1299044 C · Owner: Zakko, Salam · Inventors: Zakko, Salam

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A fully automatic organ pressure sensitive apparatus for dislodging and removing obstructions in bodily cavities or organs by both delivering and removing fluid thereto operable by continuous or intermittent perfusion of fluid over a set pressure range to effect dissolution and removal of the obstruction without complications to the patient. By continuous feedback monitoring of organ and body cavity pressure, the apparatus can constantly vary in fusion and aspiration rates to maintain the set pressure range. If the pressure is above or below the set range it displays a, safety feature causing the apparatus to shut down and sounding an alarm to alert the operator.

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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 April 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 8, 1987
GrantedApril 21, 1992
Term endedApril 21, 2009
Patent numberCA 1299044 C
Classification (IPC)A61B17/22 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJune 8, 1987Patent grantedApril 21, 1992Term endedApril 21, 2009

Sources & verification

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