Needleless injection device components, systems, and methods

Details Needleless injection device components, systems, and methods Needleless injection device components, systems, and methods

A - Human Necessities

61

M

A61M 5/30 (2006.01) A61B 1/00 (2006.01) A61M 25/10 (2006.01) A61M 29/02 (2006.01) A61M 31/00 (2006.01)

Patent

CA 2757660

Described are needleless injection systems that involve features including one or more of a tissue tensioner (700) and a fitting that includes or attaches to a shaft (716), exemplary embodiments including: an elastic sleeve sized to fit under ten-sion about the distal end of a flexible scope, such as an endoscope; a non-metal, polymeric tube- like device being optionally at-tached to the elastic sleeve for delivering a therapeutic fluid to a treatment site within a patient wherein the elastic sleeve may in-clude an integral balloon (tissue tensioner) feature that can be used to position the injection orifice of the tube-like device proxi-mate a treatment area.

L'invention porte sur des systèmes et sur des procédés d'injection sans aiguille, qui comprennent des éléments comprenant un ou plusieurs parmi un tendeur de tissus et un raccord qui comprend un arbre ou qui est fixé à celui-ci, des exemples de mode de réalisation comprenant : un manchon élastique dimensionné de façon à s'adapter sous tension autour de l'extrémité distale d'un élément de vision souple, tel qu'un endoscope ; un dispositif en forme de tube polymère non métallique étant facultativement fixé au manchon élastique pour délivrer un fluide thérapeutique à un site de traitement à l'intérieur d'un patient, le manchon élastique pouvant comprendre un élément de ballonnet intégré (tendeur de tissus) qui peut être utilisé pour positionner l'orifice d'injection du dispositif en forme de tube à proximité d'une zone de traitement.

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