Insertion devices and method of use

Details Insertion devices and method of use Insertion devices and method of use

A - Human Necessities

61

B

A61B 17/58 (2006.01) A61B 17/34 (2006.01) A61B 17/68 (2006.01) A61B 17/88 (2006.01) A61F 2/44 (2006.01) A61F 2/46 (2006.01) A61B 17/00 (2006.01) A61B 17/32 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2405281

This invention relates to devices, such as cannulas or needles, which are used for inserting expandable structures, such as medical balloons, into interior regions of a human or animal body, as well as methods for their use. In various embodiments, insertion devices described herein are capable of flaring at their tip to ease insertion and removal of expandable structures and reduce the risk of domaging such expandable structures during their insertion, inflation and removal. In other embodiments, insertion devices described herein are capable of directionally guiding and/or inhibiting expansion of an expandable structure within an interior region of an animal or human body to create optimally placed cavities for repair, augmentation and/or treatment of fractured and/or diseased bone.

L'invention concerne des dispositifs tels que des canules ou des aiguilles, qui servent à insérer des structures expansibles, p. ex. des ballonnets médicaux, à l'intérieur d'un corps humain ou animal, ainsi que des procédés d'utilisation de ces dispositifs. Dans diverses formes de réalisation, les dispositifs d'insertion décrits peuvent présenter un évasement à leur extrémité pour faciliter l'insertion et le retrait de structures expansibles et réduire le risque de dommages à ces structures pendant l'insertion, le gonflage et le retrait de celles-ci. Dans d'autres formes de réalisation, les dispositifs d'insertion décrits sont capables de guider et/ou d'inhiber l'expansion d'une structure expansible à l'intérieur d'un corps humain ou animal afin de produire des cavités placées de manière optimale en vue de la réparation, de l'augmentation et/ou du traitement d'un os fracturé et/ou malade.

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