A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/22 (2006.01) A61B 17/3207 (2006.01)
Patent
CA 2213522
The invention concerns a catheter (12) which is connected to a drive unit (20) and has at its front end (12a) a cutting tool comprising a stator (14) and rotor (16). Peripheral blades of the rotor (16) and stator (14) co-operate in scissors-like manner. The rotor (16) is an outside rotor. The detached deposits are conveyed through a tubular casing (22), via a discharge chamber (18), into a collector vessel (28). A rotary catheter of this type is used for gently removing thrombi and stenoses from narrowed blood vessels, such as arteries and veins.
L'invention concerne un cathéter (12) relié à une unité d'entraînement (20), dont l'extrémité avant (12a) est pourvue d'un outil tranchant comprenant un stator (14) et un rotor (16). Des lames montées sur la face périphérique du rotor (16) et du stator (14) coopèrent à la manière de ciseaux. Le rotor (16) est un induit extérieur. Les dépôts détachés sont acheminés à travers un manchon tubulaire (22) jusqu'à un récipient collecteur (28) en passant par une chambre d'évacuation (18). Un cathéter rotatif de ce type sert à éliminer des thrombus et des sténoses situés dans des vaisseaux sanguins rétrécis, tels que des artères et des veines, sans les altérer.
Mohr Helmuth
Straub Immanuel
Gowling Lafleur Henderson Llp
Straub Federnfabrik Ag
Straub Medical Ag
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