| 摘要 |
An atherectomy system for cutting an obstruction in a patient's vessel, comprising a flexible guide-wire insertable into the vessel, a flexible rotary-catheter being rotatably disposed and insertable into the vessel, over the flexible guide-wire, a cutting means for cutting the obstruction, at a distal end of the flexible rotaty-catheter, coupling means at the proximal end of the flexible rotary-catheter for engaging a drive means and at least one torque limiting clutch interposed between the drive means and the cutting means, limiting the torque transmitted distally.
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