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Expired Canadian patentCanada

Nasogastric tube insertion system and method

CA 2652459 C · Owner: Critical Device Corporation · Inventors: Gilbert, Robert P.; Gilbert, Paul J.

CIPO record

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Abstract From the Canadian patent

A nasogastric tube insertion system comprises a nasogastric tube a guide , element, and an inserter element. The inserter element has a slim, elongate main body a handle attached to the , body, and an anatomically curved insertion section. The guide element comprises a swallowable weight attached to a cord string, monofilament line, or other similar line. The nasogastric tube comprises a tube having one or more interior bores or lumina and a guide element capture structure. In use, the swallowable weight is placed onto the end of the inserter element. The inserter element is inserted through the patient's nasal passages and optionally into the oropharynx. The weight is released and …

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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

  • Filed April 27, 2006 and granted November 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 27, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 27, 2006
GrantedNovember 18, 2014
Term endedApril 27, 2026
Patent numberCA 2652459 C
Classification (IPC)A61J15/00

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedApril 27, 2006Patent grantedNov 18, 2014Term endedApril 27, 2026

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