Method and apparatus for advancing a probe

A - Human Necessities – 61 – M

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A61M 25/085 (2006.01) A61M 25/01 (2006.01) F16L 55/00 (2006.01)

Patent

CA 2758434

Some embodiments relate to an apparatus comprising an elongate flexible tube sized to be received within a tract and having a proximal end and a distal end; a drive mechanism coupled to the proximal end of the tube; and a liquid column ex-tending from the proximal end to the distal end; wherein the drive mechanism is configured to cause movement of the liquid col-umn within the tube to impart forward momentum to the tube and thereby promote advancement of at least the distal end of the tube within the tract when at least the distal end is received within a part of the tract.

Dans certains modes de réalisation, linvention concerne un appareil comportant un tube flexible allongé dune dimension permettant linsertion du tube dans un tractus, ledit tube possédant une extrémité proximale et une extrémité distale ; un mécanisme dentraînement couplé à lextrémité proximale du tube ; et une colonne de liquide sétendant de lextrémité proximale jusquà lextrémité distale. Le mécanisme dentraînement est configuré de façon à provoquer le déplacement de la colonne de liquide à lintérieur du tube et à donner ainsi au tube une impulsion vers lavant, facilitant donc lavancement de lextrémité distale du tube au moins à lintérieur dun tractus, lorsque ladite extrémité distale au moins est reçue dans une partie dudit tractus.

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