Devices and methods using an expandable body with internal...

Details Devices and methods using an expandable body with internal... Devices and methods using an expandable body with internal...

A - Human Necessities

61

F

A61F 2/44 (2006.01) A61B 17/72 (2006.01) A61B 17/88 (2006.01) A61F 2/46 (2006.01) A61M 25/10 (2006.01) A61B 17/00 (2006.01) A61B 17/02 (2006.01) A61F 2/00 (2006.01) A61F 2/28 (2006.01) A61F 2/30 (2006.01) A61F 2/36 (2006.01) A61F 2/38 (2006.01) A61F 2/40 (2006.01)

Patent

CA 2472594

Devices and methods compress cancellous bone. In one arrangement, the devices and methods make use of and expandable body (300) that includes and internal restraint (320) coupled to the body. The internal restraint (320) directs expansion of the body. In one arrangement, a method for treating bone inserts the device having the internal restraint inside bone and causes directed expansion of the body in cancellous bone. Cancellous bone is compacted by the directed expansion.

L'invention concerne des dispositifs et de procédés permettant de comprimer d'un os spongieux. Dans une forme de réalisation, ces dispositifs et ces procédés comprennent l'utilisation d'un corps expansible qui comprend un élément de contrainte interne rattaché au corps. Cet élément de contrainte interne dirige la dilatation du corps. Dans un des modes de réalisation décrits, le traitement osseux consiste à insérer le dispositif comprenant un élément de contrainte interne à l'intérieur de l'os et à procéder à une dilatation dirigée du corps dans l'os spongieux. Cette dilatation dirigée provoque une compression de l'os spongieux.

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