Tsukada Medical Research Co., Ltd.

Mitsubishi Heavy Industries Limited

Japan Aerospace Exploration Agency

Kengo Kanai

Osamu Tsukada

Naoki Takizawa

Makoto Ohira

Atsuko Homma

Dai Shiba

Hiroyasu Mizuno

Masato Shimizu

Hirochika Murase

Akane Yumoto

Masaki Shirakawa

Akihiko Nakasa

Haruna Koike

Nami Hatakeyama

Masamichi Iijima

There is provided a liquid supply apparatus eliminating the need for a power supply, having relatively light weight and small footprint, and ensuring a stable liquid supply. The liquid supply apparatus includes a first support member, a second support member, a balloon having one end supported by the first support member and the other end supported by the second support member, and a casing having a constant longitudinal length. The balloon is disposed in the casing and is configured so as to be able to hold a liquid therein and discharge the liquid therefrom. When the balloon holds the liquid, the one end and the other end of the balloon are positioned in the case.

Liquid supply apparatus

A catheter for treatment of sinusitis capable of causing a space in a further rear (distal side) of a posterior nasal aperture to communicate with external air is provided. The catheter comprises an anterior nasal aperture balloon, an anterior nasal aperture balloon air supply lumenfor inflating the anterior nasal aperture balloon, a posterior nasal aperture balloon, a posterior nasal aperture balloon air supply lumenfor inflating the posterior nasal aperture balloon, and a drainage lumenhaving an openingbetween the anterior nasal aperture balloonand the posterior nasal aperture balloon, in which an external air communication lumenhaving an openingon a distal side from the posterior nasal aperture balloonis further provided.

Catheter for treatment of sinusitis

Growing community of inventors

Nagano, Japan

Kengo Kanai