Neurological apparatus comprising a percutaneous access device

Details Neurological apparatus comprising a percutaneous access device Neurological apparatus comprising a percutaneous access device

A - Human Necessities

61

M

A61M 1/00 (2006.01)

Patent

CA 2670164

Apparatus for delivering therapeutic agents to the central nervous system of a subject is described. The apparatus comprises at least one intracranial catheter and a percutaneous access device (50;140;150;160). The percutaneous access device comprises a body (10;52;152) having at least one extracorporeal surface (22;68) and at least one subcutaneous surface, the body (10;52) defining at least one port (12;116) for connection to an implanted intracranial catheter. The port (12;116) is accessible from the extracorporeal surface (22;68) of the device, but is provided with a seal (14;112;142;146) such as a rubber bung between the lumen of the port and the extracorporeal surface (22;68). The percutaneous access device may have more than two ports (12;116) and/or a flange (26;54). A method of implanting the percutaneous access device(50;140;150;160) is also described.

L'invention concerne un appareil de délivrance d'agents thérapeutiques au système nerveux central d'un sujet. L'appareil comprend au moins un cathéter intracrânien et un dispositif d'accès percutané (50 ; 140 ; 150 ; 160). Le dispositif d'accès percutané comprend un corps (10 ; 52 ; 152) ayant au moins une surface extracorporelle (22 ; 68) et au moins une surface sous-cutanée, le corps (10 ; 52) définissant au moins un orifice (12 ; 116) pour la connexion à un cathéter intracrânien implanté. L'orifice (12 ; 116) est accessible depuis la surface extracorporelle (22 ; 68) du dispositif, mais est doté d'un joint (14 ; 112 ; 142 ; 146) tel qu'un bouchon en caoutchouc entre la lumière de l'orifice et la surface extracorporelle (22 ; 68). Le dispositif d'accès percutané peut avoir plus de deux orifices (12 ; 116) et/ou un rabat (26 ; 54). Un procédé d'implantation du dispositif d'accès percutané (50 ; 140 ; 150 ; 160) est également décrit.

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