Fluid propelled endoscope

A - Human Necessities – 61 – B

Patent

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Details

A61B 1/31 (2006.01) A61B 1/12 (2006.01)

Patent

CA 2555181

An endoscope, more particularly a colonoscope, is provided for introduction into and along a passageway in a human or animal body in a desired direction of travel, the endoscope having a fluid propulsion device for effecting introduction. The fluid propulsion device comprises a conduit having an inlet for fluid under pressure and at least one outlet for expelling the fluid in a direction at least partly opposed to the desired direction of travel of the endoscope. The outlets may be atomising nozzles. The conduit may be movable lengthwise of the endoscope, but constrained to substantially follow the path of the endoscope. In one embodiment the endoscope is caused to travel over a pre-installed guidewire.

L'invention concerne un endoscope, et plus particulièrement un coloscope, destiné à être introduit dans une voie corporelle d'un sujet humain ou animal, dans une direction de déplacement désirée, cet endoscope comprenant un système de propulsion par fluide permettant son introduction. Le système de propulsion par fluide comprend un conduit doté d'une entrée de fluide sous pression, et d'au moins une sortie permettant l'éjection du fluide dans une direction au moins partiellement opposée à la direction de déplacement désirée de l'endoscope. Les sorties peuvent comprendre des buses de vaporisation. Le conduit être déplaçable dans la direction longitudinale de l'endoscope, mais être contraint à suivre sensiblement la trajectoire de l'endoscope. Dans une forme de réalisation, l'endoscope est déplacé sur un fil-guide mis en place préalablement.

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