US 12,484,927 B2
Medical device
Taiga Nakano, Irvine, CA (US); and Kosuke Nishio, Irvine, CA (US)
Assigned to TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed by TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jun. 28, 2022, as Appl. No. 17/851,308.
Application 17/851,308 is a continuation of application No. PCT/JP2020/013393, filed on Mar. 25, 2020.
Prior Publication US 2022/0323100 A1, Oct. 13, 2022
Int. Cl. A61B 17/3207 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/320758 (2013.01) [A61B 2017/0042 (2013.01); A61B 2217/007 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A medical device comprising:
a drive shaft that is rotatable, the drive shaft possessing a proximal portion;
a drive unit that is connected to the proximal portion of the drive shaft and that is operable to rotate the drive shaft;
a housing in which is accommodated the proximal portion of the drive shaft;
a handle portion in which is accommodated the drive unit and the housing;
the housing including:
an accommodation portion provided in the handle portion, the accommodation portion possessing an inner peripheral surface and an inner diameter;
a shaft support disposed in the accommodation portion of the housing, the shaft support including a lumen through which the proximal portion of the drive shaft passes, the shaft support possessing an outer peripheral surface and an outer diameter;
an elastic body disposed between the outer peripheral surface of the shaft support and the inner peripheral surface of the accommodation portion; and
the outer diameter of the shaft support being smaller than an inner diameter of the accommodation portion so the shaft support is movable in the accommodation portion.