US 12,440,654 B2
Balloon-equipped treatment tool for endoscope, and method of folding balloon-equipped treatment tool for endoscope
Kazuhiro Nagata, Tokyo (JP); Kenji Ono, Musashino (JP); Norichika Fukushima, Hino (JP); Yasunori Oki, Hachioji (JP); and Daijiro Kubota, Tokyo (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Tokyo (JP)
Filed on Feb. 25, 2022, as Appl. No. 17/680,886.
Application 17/680,886 is a continuation of application No. PCT/JP2019/036368, filed on Sep. 17, 2019.
Prior Publication US 2022/0175222 A1, Jun. 9, 2022
Int. Cl. A61M 25/10 (2013.01)
CPC A61M 25/1029 (2013.01) [A61M 25/1002 (2013.01); A61M 2025/1004 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A treatment tool for use with an endoscope, the treatment tool comprising:
a balloon; and
a sheath connected to a proximal end side of the balloon,
wherein the balloon comprises:
a body portion having a first wall thickness,
a tail portion connected to the sheath,
a cone portion located between the body portion and the tail portion, and
a plurality of ribs having a second wall thickness larger than the first wall thickness,
the plurality of ribs are formed along the longitudinal direction of the balloon; and
a width of the plurality of ribs in a circumferential direction is wider in the tail portion than in the cone portion.