A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/3207 (2006.01) A61B 17/22 (2006.01) A61B 17/32 (2006.01)
Patent
CA 2183732
The invention is a device for medical applications for differentially cutting abnormal deposits from within a patient's vessels. The device comprises one or more diamond plated burrs or cuffs (12) attached to a flexible drive shaft (16) which rotates at high speed. The drive shaft is placed over a preformed shaped guidewire (30) so that the drive shaft conforms to the shape of the guidewire, which has been preformed into a gentle "S" or "cork-screw" shape. The guidewire may be rotated at low speed.
L'invention concerne un dispositif à usage médical, permettant une ablation ciblée de dépôts formés à l'intérieur des vaisseaux d'un patient. Le dispositif comprend une ou plusieurs têtes ou dispositifs d'ablation (12), portant un revêtement de diamants et fixés à un arbre d'entraînement flexible qui tourne à haute vitesse. L'arbre d'entraînement est placé sur un fil de guidage (30) préformé ayant la forme d'un "S" ou d'un tire-bouchon étiré et il s'adapte à la forme de ce fil de guidage. Le fil de guidage peut également tourner à faible vitesse.
Clement Thomas J.
Wulfman Edward I.
Boston Scientific Limited
Osler Hoskin & Harcourt Llp
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