Method and apparatus for percutaneously accessing a pressure...

Details Method and apparatus for percutaneously accessing a pressure... Method and apparatus for percutaneously accessing a pressure...

A - Human Necessities

61

M

A61M 5/00 (2006.01) A61M 39/02 (2006.01)

Patent

CA 2361017

This invention is methods, and apparatus for percutaneously accessing an implanted port (10), and use an access tube (N) which is periodically introduced to the implanted port. The apparatus is preferably an implanted port having a pressure-responsive valve element (40). It has been found that repeated passage of the access tube through the same tissue tract to the implanted port reduces patient trauma, with minimized bleeding, and reduction in sensitivity. The tract may be initially formed by percutaneously placing a penetrating element through intact skin to the port, and leaving the element in place for a time sufficient to create the tract.

L'invention concerne des procédés et un appareil permettant d'accéder par voie percutanée à un orifice implanté (10) dans lesquels on utilise une canule d'accès (N) qui est périodiquement introduite dans l'orifice implanté. De préférence, cet appareil est un orifice implantable muni d'un élément valve (40) sensible à la pression. On a découvert que le passage répété de la canule par le même passage vers l'orifice implantable réduit le traumatisme du patient, les saignements et la sensibilité. Pour former initialement le passage, on peut placer par voie percutanée un élément de pénétration dans la peau intacte jusqu'à l'orifice et laisser l'élément en place pendant une durée suffisante pour créer ledit passage.

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