US 11,717,143 B2
Endoscope camera head
Fuminori Tanahashi, Tokyo (JP); and Kohtaro Amano, Tokyo (JP)
Assigned to SONY OLYMPUS MEDICAL SOLUTIONS INC., Tokyo (JP)
Appl. No. 16/633,587
Filed by Sony Olympus Medical Solutions Inc., Tokyo (JP)
PCT Filed May 16, 2018, PCT No. PCT/JP2018/018989
§ 371(c)(1), (2) Date Jan. 24, 2020,
PCT Pub. No. WO2019/026385, PCT Pub. Date Feb. 7, 2019.
Claims priority of application No. 2017-148486 (JP), filed on Jul. 31, 2017.
Prior Publication US 2020/0205646 A1, Jul. 2, 2020
Int. Cl. A61B 1/04 (2006.01); A61B 1/00 (2006.01)
CPC A61B 1/042 (2013.01) [A61B 1/00066 (2013.01); A61B 1/00105 (2013.01); A61B 1/00126 (2013.01); A61B 1/00128 (2013.01); A61B 1/00148 (2022.02); A61B 1/00195 (2013.01); A61B 1/04 (2013.01); A61B 1/044 (2022.02)] 6 Claims
OG exemplary drawing
 
1. An endoscope camera head comprising
a first member and a second member that are capable of rotating relative to each other about a first axis, wherein
the first member has a first rotation-sliding surface that extends in an annular shape about the first axis as a center, the first member having an outer diameter;
the first member includes a concave portion that extends in an annular shape about the first axis as a center,
the first rotation-sliding surface includes a continuous inner surface of the concave portion,
the second member is configured to engage with the first rotation-sliding surface in a state in which movement to a direction of the first axis is restricted relative to the first member, and has a second-rotation sliding surface that rotation-slides relatively to the first rotation-sliding surface about the first axis,
the second member includes a through hole having an inner diameter larger than the outer diameter of the first member, and
the second rotation-sliding surface abuts only on a first part of the first rotation-sliding surface, to expose a second part of the first rotation-sliding surface outside.