Controlled deployment handles for bone stabilization devices

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/88 (2006.01) A61B 17/28 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2726585

Described herein are applicators for the delivery and/or retrieval of a bone stabilization device, as well as systems or kits including such applicators. In general, these applicators include a proximal handle and an elongate cannula configured as a linkage member connecting to the implant. The handles described herein typically include a control for regulating/controlling the release of the stabilization device. Stabilization devices are typically self- expanding devices, and the control may regulate the self- expansion so that the rate and degree of self-expansion allowed is regulated. The handles may be lockable, and may include a latch or other locking structure. These handles may also include ratcheting mechanism or other controlled expansion/release mechanism. In some variations the devices include a failsafe release configured to release either the applicator and/or the device.

L'invention porte sur des applicateurs destinés à la mise en place et/ou à l'extraction d'un dispositif de stabilisation osseuse, ainsi que sur des systèmes ou des ensembles comprenant de tels applicateurs. D'une manière générale, ces applicateurs comprennent un manche proximal et une canule allongée configurés sous la forme d'un élément de liaison se reliant à l'implant. Les manches décrits ici comprennent typiquement une commande de régulation/commande de la libération du dispositif de stabilisation. Les dispositifs de stabilisation sont typiquement des dispositifs auto-déployables, et la commande peut réguler l'auto-déploiement de telle sorte que la vitesse et le degré d'auto-déploiement autorisés soient régulés. Les manches peuvent être verrouillables, et peuvent comprendre un verrou ou autres structures de verrouillage. Ces manches peuvent également comprendre un mécanisme à cliquet ou autre mécanisme de déploiement/libération commandé. Dans certaines variantes, les dispositifs comprennent un dispositif de libération à sécurité intégrée destiné à libérer l'un ou l'autre de l'application et/ou du dispositif.

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