Expandable percutaneous sheath

Details Expandable percutaneous sheath Expandable percutaneous sheath

A - Human Necessities

61

B

A61B 17/88 (2006.01) A61B 17/34 (2006.01) A61B 17/00 (2006.01) A61M 25/06 (2006.01)

Patent

CA 2491493

Disclosed is an expandable percutaneous sheath (100), for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion to a second, enlarged cross-sectional configuration. The sheath is maintained in the first, low cross-sectional configuration by a removable tubular restraint (200). In one application, the sheath is utilized to introduce a formed in place orthopedic fixation rod such as for use in spinal fixation procedures.

L'invention concerne un manchon percutané extensible (100) destiné à être introduit dans le corps quand il se présente dans une première configuration à petite aire transversale, puis à être étendu dans une seconde configuration transversale élargie. Le manchon est maintenu dans la première configuration transversale petite au moyen d'un élément de contrainte tubulaire amovible (200). Dans un mode de réalisation, le manchon est utilisé pour introduire une tige de fixation orthopédique formée in situ, tel que dans des procédures de fixation spinale.

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