Patent ID: 11925321
Assignee: CANON U.S.A., INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 25:
26. The steerable catheter according to claim 25,
wherein, at the distal end of the catheter body, the tool channel includes a cylindrical surface that extends through the distal portion in a lengthwise direction, and the one or more bumps function as linear keying tabs facing radially inward formed in the lengthwise direction on the cylindrical surface of the tool channel,
wherein the one or more recesses function as linear keyways facing radially outward from the elliptical tube and extending in the lengthwise direction of the tool channel, and
wherein, when the positioning mechanism coupled to the imaging device is inserted into the tool channel, at least one of the linear keying tabs fits into one of the linear keyways thereby interlocking the imaging device to the catheter body.