US 11,937,772 B2
Operation switch, medical device provided with operation switch, and endoscope provided with operation switch
Masanori Suzuki, Tama (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Tokyo (JP)
Filed on Jan. 22, 2021, as Appl. No. 17/155,440.
Application 17/155,440 is a continuation of application No. PCT/JP2018/029956, filed on Aug. 9, 2018.
Prior Publication US 2021/0169307 A1, Jun. 10, 2021
Int. Cl. A61B 1/00 (2006.01); H01H 13/14 (2006.01); H01H 13/06 (2006.01)
CPC A61B 1/00066 (2013.01) [A61B 1/00042 (2022.02); H01H 13/14 (2013.01); H01H 13/06 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An operation switch comprising:
an elastic cover comprising a first inclined portion extending in a direction of an axis from a first radial position away from the axis towards the axis; and
one or more contact portions,
wherein the first inclined portion of the elastic cover is pressed by a housing and the one or more contact portions towards the axis to elastically deform the elastic cover and protrude a pressing region of the elastic cover through an opening of the housing,
wherein the one or more contact portions comprises a first ring portion and a second ring portion, and
wherein a diameter of the first ring portion is smaller than a diameter of the second ring portion.