US 12,133,628 B2
Medical device
Hiroshi Hashi, Tokyo (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Tokyo (JP)
Filed on Jan. 25, 2021, as Appl. No. 17/156,755.
Application 17/156,755 is a continuation of application No. PCT/JP2018/028214, filed on Jul. 27, 2018.
Prior Publication US 2021/0145256 A1, May 20, 2021
Int. Cl. A61B 1/00 (2006.01); A61B 1/015 (2006.01)
CPC A61B 1/00082 (2013.01) [A61B 1/00112 (2013.01); A61B 1/00135 (2013.01); A61B 1/015 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A medical device comprising:
an insertion part having a longitudinal axis;
a first balloon and a second balloon attached to the insertion part; and
a fluid supply path through which a fluid is supplied to or discharged from the first balloon and the second balloon, wherein
the first balloon is configured to expand and contract by the fluid in a direction intersecting the longitudinal axis and the first balloon is configured to be movable in the longitudinal-axis direction relative to the insertion part,
the second balloon is configured to expand and contract by the fluid in the longitudinal-axis direction and the second balloon is disposed distally relative to the first balloon in the longitudinal-axis direction,
a first end of the second balloon is fixed to a distal end of the insertion part, and a second end of the second balloon is fixed to the first balloon, and
the fluid supply path comprises a connecting flow path communicating between a first inner space of the first balloon and a second inner space of the second balloon.