Balloon dissection apparatus

Details Balloon dissection apparatus Balloon dissection apparatus

A - Human Necessities

61

B

A61B 17/00 (2006.01)

Patent

CA 2386787

Apparatus for creating an anatomic space in tissue in a body including an introducer device having a tubular member with a bore extending therethrough. A tunneling shaft assembly is slidably mounted in the bore of the introducer device. The tunneling shaft assembly includes a tunneling shaft having proximal and distal extremities. A blunt tip is secured to the distal extremity of the tunneling shaft. A balloon assembly is provided. The balloon assembly is removably secured to the tunneling shaft. The balloon assembly includes a deflated collapsed balloon. A sheath encloses the balloon and is carried by the tunneling shaft. The sheath has a weakened region extending longitudinally thereof permitting the sheath to be removed to release the balloon.

La présente invention concerne un appareil, destiné à créer un espace anatomique dans un tissu corporel, comprenant un dispositif introducteur comportant un élément tubulaire alésé sur toute sa longueur. Un assemblage de tige de passage est monté coulissant dans l'alésage du dispositif introducteur. Cet assemblage comprend une tige de passage à extrémités distale et proximale. Une pointe conique bombée est fixée à l'extrémité distale de la tige de passage. Un assemblage ballonnet est fixé amovible à la tige de passage. L'assemblage ballonnet comprend un ballonnet dégonflé replié. Une gaine, portée par la tige de passage, entoure le ballonnet. Cette gaine comporte une région longitudinale fragile permettant, par son enlèvement, de libérer le ballonnet.

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