Atherectomy system with a clutch
AssigneeSurgical Systems & Instruments, Inc.
InventorSamuel Shiber
Life of this patent
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Abstract
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.
Claims3
An atherectomy system for cutting an obstruction in a patient's vessel, comprising in combination:
- a flexible guide-wire insertable into the vessel,
- a flexible rotary-catheter being rotatably disposed and insertable into the vessel, over said flexible guide-wire,
- a cutting means, at a distal end of said flexible rotary-catheter, for cutting said obstruction,
- coupling means at the proximal end of said flexible rotary-catheter for engaging a drive means having a motor,
- wherein at least one torque limiting clutch is interposed between said motor and said cutting means, limiting the torque transmitted distally.
Dependencies are inferred from the claim text.