Patent ID: 9693796
Date: 2017-07-04
CPC Classifications: A61B,Y10T

Claim:
1. A device, comprising: a handle, comprising: a prime mover carriage comprising a prime mover, the prime mover carriage disposed within the interior of the intermediate section; a prime mover gear fixedly attached to a shaft of the prime mover; a control knob having at least a portion thereof extending through the slot and operationally coupled to the prime mover carriage such that a longitudinal displacement of the control knob induces a longitudinal displacement of the prime mover carriage, the control knob comprising: an exchangeable drive shaft cartridge, comprising: one or more connectors for removably connecting the handle and the drive shaft cartridge to one another, wherein each of the one or more connectors comprises complementary first and second sections, wherein wherein, the handle and the drive shaft cartridge are removably connected by: displacing the handle and the drive shaft cartridge in opposite directions; at least one alignment element for aligning at least the prime mover gear and the drive shaft gear with one another, the at least one alignment element comprising complementary first and second sections, wherein the first section of the at least one alignment element is integrally formed with the prime mover carriage; and the second section of the at least one alignment element is integrally formed with the gear engagement assembly; at least one biasing element configured for removably meshing the prime mover gear and the drive shaft gear when the prime mover gear and the drive shaft gear are aligned with one another such that a rotational movement of one of the prime mover and the drive shaft induces a rotational movement in the other, wherein the at least one biasing element comprises a ramp configured for pivoting at least one of the prime mover gear and the drive shaft gear towards the other.