Dilation balloon for endoscope

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/10 (2006.01)

Patent

CA 2482969

The dilation balloon of the subject invention preferably comprises a balloon portion mounted about a shaft that, when inflated, produces a configuration comprising a tapered distal end and a proximal end or butt that is substantially flat (preferably truncated) and is adapted to generally conform with the outer contours of an endoscope through which it is introduced when the balloon is pulled back against the endoscope face. The close engagement of the subject balloon catheter and endoscope, when forming a balloon-scope train, enables the scope to more readily navigate strictures and tortuous body lumen, as well as allows the balloon to act as a lens for viewing anatomical structure within the body lumen, such as tumors, strictures, and the inner luminal wall surface itself.

La présente invention a trait à un ballonnet de dilatation comportant, de préférence une portion de ballonnet montée autour d'un axe qui, lors de son gonflage, présente une configuration comprenant une extrémité distale effilée et une extrémité ou bout proximal qui est sensiblement plat (de préférence tronconique) et est apte à se conformer de manière globale aux contours externes d'un endoscope à travers lequel il est introduit lorsque le ballonnet est tiré vers l'arrière contre la surface de l'endoscope. La prise intime entre la sonde à ballonnet de l'invention et l'endoscope, lors de la formation d'un ensemble ballon/endoscope, permet à l'endoscope de se déplacer plus facilement dans des strictions et des lumières corporelles sinueuses, et permet également au ballonnet de servir d'objectif pour examiner la structure anatomique du sein de la lumière corporelle, telle que des tumeurs, des strictions, et la paroi de surface intracavitaire interne elle-même.

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