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Expired Canadian patentCanada

Wound care and drainage system

CA 1262328 C · Owner: Mcclees, Nancy J. · Inventors: Ferguson, Keith T.; Mcclees, Nancy J.

CIPO record

Overview

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

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Abstract From the Canadian patent

Pouch type wound care and drainage system wherein the pouch includes a bottom wall secured to an adhesive layer which can be cut to fit around the wound or surgical opening, gusseted side walls, and a top wall provided with one or more access openings. Means are provided for securing an irrigation port and a catheter access port to these top wall openings. The bottom wall extends beyond the adhesive layer and is provided with a large exit port oriented in such a manner that gravity will drain wound exudate from the pouch. This exit port is also large enough to accommodate the average size hand to aid in locating the pouch on the body and permit access to the wound site without removing 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 October 17, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 17, 2006.
  • 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 10, 1984
GrantedOctober 17, 1989
Term endedOctober 17, 2006
Patent numberCA 1262328 C
Classification (IPC)A61M1/00 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedOct 10, 1984Patent grantedOct 17, 1989Term endedOct 17, 2006

Sources & verification

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