Devices and methods for dilating tissues

Details Devices and methods for dilating tissues Devices and methods for dilating tissues

A - Human Necessities

61

M

A61M 29/00 (2006.01) A61B 17/02 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2750154

Described here are devices and methods for dilating tissues. In other variations, the dilatation device comprises a slotted or expandable tube that may expand to dilate tissue. In still other variations, the dilatation device comprises two or more hinged or movable plate members that separate to dilate tissue. In yet other variations, the dilation device may comprise one or more flexible members. One or more portions of the dilatation device may be detachable from the device in the body, and dilatation device may release one or more implants into the body. In some of these variations, the dilatation device may additionally be used to expand one or more implants or other devices within the body. In some variations the dilatation device may release one or more substances that may hold dilated tissue in a dilated configuration.

L'invention concerne des dispositifs et des procédés de dilatation de tissus. Dans certaines variantes, le dispositif de dilatation comporte un tube fendu ou expansible susceptible de s'élargir pour dilater un tissu. Dans d'autres variantes, le dispositif de dilatation comporte au moins deux éléments de plaque articulés ou mobiles qui se séparent pour dilater un tissu. Dans d'autres variantes encore, le dispositif de dilatation peut comporter un ou plusieurs éléments souples. Une ou plusieurs parties du dispositif de dilatation peuvent être détachables du dispositif à l'intérieur du corps et le dispositif de dilatation peut libérer un ou plusieurs implants dans le corps. Dans certaines de ces variantes, le dispositif de dilatation peut en outre être utilisé pour dilater un ou plusieurs implants ou autres dispositifs à l'intérieur du corps. Dans certaines variantes, le dispositif de dilatation peut libérer une ou plusieurs substances susceptibles de maintenir un tissu dilaté dans une configuration dilatée.

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