A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/12 (2006.01)
Patent
CA 2306054
A supporting structure for a ligating band dispensing device adapted to be coupled to a distal end of an endoscope comprises a substantially cylindrical outer support surface adapted to receive a plurality of ligating bands thereon, wherein the support surface includes channel extending therethrough from a distal end to a proximal end. The support surface further includes a plurality of shallow slots and deeper slots disposed on the distal end for retaining a trigger string. The shallow slots and deeper slots may be arranged in an alternating fashion, and each of the slots may be narrower than the trigger string to prevent the trigger string from prematurely exiting the slots. The support surface may also include a plurality of axially extending ridges to assist in deployment of the ligating bands by preventing the bands from sliding along the trigger line and facilitating rolling of the bands along the support surface.
L'invention porte sur une structure porteuse de dispositif de distribution de rubans à ligaturer se montant à l'extrémité distale d'un endoscope et comportant une surface extérieure sensiblement cylindrique destinée à recevoir plusieurs rubans à ligaturer ainsi qu'un canal la traversant de l'extrémité distale à l'extrémité proximale. La surface porteuse comporte en outre à son extrémité distale des fentes peu profondes ou profondes abritant un cordon actionneur, pouvant alterner, et être plus étroites que le cordon actionneur pour l'empêcher d'en sortir. La surface porteuse peut également comporter plusieurs crêtes longitudinales aidant à la mise en place des rubans à ligaturer en les empêchant de glisser le long du cordon actionneur et leur permettant de rouler plus facilement le long de la surface porteuse.
Fortier Richard C.
Vu Liem T.
Boston Scientific Limited
Mccarthy Tetrault Llp
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