Patent ID: 11871950
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A  B | IPC A  B

Claim 0:
1. A handpiece assembly for use with a tissue resecting device comprising:
a motor including a drive rotor; and
a cooling assembly including:
a housing including an adapter portion and an elongate cover extending proximally from the adapter portion, the housing defining a first slot between the adapter portion and the elongate cover;
a fan assembly including a tubular member dimensioned to be received in the elongate cover of the housing, and a plurality of blades operatively coupled with the drive rotor of the motor for concomitant rotation therewith;
a heat transfer member disposed about the tubular member of the fan assembly, the heat transfer member thermally coupled with the motor; and
a fin pack including a tubular base supported about the heat transfer member, and a plurality of fins circumferentially arranged about the tubular base,

wherein actuation of the motor advances air through a space between the elongate cover and the fin pack.