Patent ID: 11950801
Assignee: BOSTON SCIENTIFIC SCIMED, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 15:
16. An atherectomy system, comprising:
a handle having a handle housing;
a drive member extending through the handle housing and operably coupled to an atherectomy burr;
a drive mechanism disposed within the handle housing and adapted to rotatably engage the drive member, the drive mechanism including:
an electric drive motor;
a polyetheretherketone (PEEK) drive gear rotatably engaged with the electric drive motor; and
an aluminum driven gear coupled with the drive member and engaged with the PEEK drive gear such that rotation of the aluminum driven gear causes rotation of the drive member; and

a fluid pump driven by the drive mechanism;
wherein the drive mechanism is configured to enable a rotation speed of the atherectomy burr of up to at least about 200,000 revolutions per minute (rpm).