Crimp and cut tool for sealing and unsealing guide wires and...

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/10 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2499493

An apparatus for modulating the pressure of a fluid such as a gas within the expandable portion (11) of a guide wire catheter (12). A preferred embodiment apparatus features a means (19) for controllably gripping and releasing the open, proximal end of a tubular guide wire, means (44) for introducing a fluid to a desired pressure and volume into the expandable portion of the tubular guide wire through the open end, and, while maintaining the pressure and volume of fluid in the tubular guide wire, a means (23) for introducing a sealing member (22) into the open end of said tubular guide wire to seal the fluid in the tubular guide wire. In a particularly preferred embodiment, the apparatus also features a deflation tool (53) for piercing the seal and letting the fluid out. Using this apparatus, the tubular guide wire can be re- sealed and re-opened as necessary.

L'invention concerne un appareil de modulation de la pression d'un fluide, par exemple un gaz, dans la partie étirable (11) d'un cathéter (12) à fil de guidage. Dans un mode de réalisation préféré, l'appareil comprend un moyen (19) permettant de saisir et de libérer de manière contrôlée l'extrémité proximale ouverte d'un fil de guidage tubulaire, des moyens (44) d'introduction d'un fluide avec une pression et un volume désirés dans la partie étirable du fil de guidage tubulaire à travers l'extrémité ouverte, et, tout en maintenant la pression et le volume du fluide dans le fil de guidage tubulaire, un moyen (23) d'introduction d'un élément (22) de scellement dans l'extrémité ouverte dudit fil de guidage tubulaire afin de sceller le fluide dans le fil de guidage tubulaire. Dans un mode de réalisation particulier préféré, l'appareil est pourvu d'un outil (53) de dégonflement destiné à percer le joint pour laisser sortir le fluide. L'utilisation de cet appareil permet de sceller à nouveau le fil de guidage tubulaire et de le rouvrir tel que nécessaire.

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