Terumo Kabushiki Kaisha

Daisuke Nakashima

Tetsuya Fukuoka

Ayumu Takagi

Hiroyoshi Ise

Tatsuya Ouchi

Ryo Okamura

Satoshi Wada

Katsuaki Soma

Toshio Maki

Kazuyuki Kurata

Keisuke Yoshida

Masako Aramiya

An introducer sheath is disclosed, which includes a tube body that is percutaneously inserted into a body lumen; and a hub that is connected to a proximal portion of the tube body. The tube body contains a polyvinylidene fluoride resin, a ratio of a thickness to an inner diameter of the tube body is 1/16 or lower, and a ratio of a kink radius to an outer diameter of the tube body is 9.5 or lower.

Introducer sheath and introducer

A pressure adjustment unit of a hemostatic instrument includes a main container portion connected to a side of a balloon and an auxiliary balloon serving as an expansion member. The main container portion has, for example, air passing holes for permitting a portion of a fluid (air) to be expelled. A sliding member is installed at the main container portion and is movable along the main container portion from a state in which the air passing holes of the main container portion are blocked to a state in which one or more of the hole are open, and a moving body movable inside the main container portion to successively block the air passing holes opened by moving the sliding member.

Hemostatic instrument

A spinal treatment method and device are provided. The treatment method includes a catheter introduction step of inserting a balloon catheter into a treatment site between nerves extending from a spine, while being bifurcated, and a lesion area that compresses the nerves; and a treatment step of dilating a balloon, on which anti-inflammatory agent is disposed, of the balloon catheter at the treatment site, and applying the anti-inflammatory agent to the treatment site.

Spinal treatment method and spinal treatment catheter

Disclosed herein is a catheter for a left coronary artery having a distal end for being introduced into an opening of the left coronary artery from an artery of an arm. The catheter can include a catheter main body including a main body portion of a substantially linear shape in a natural state thereof and a curved portion extending from the main body portion to form a portion that extends to the distal end and has a curved shape in a natural state thereof.

Catheter for left coronary artery and engaging method therefor

A catheter for a coronary artery can include a distal end for being introduced into an opening of a coronary artery from an artery of an arm. The catheter can, include a catheter main body including a main body portion having a substantially linear shape in a natural state and a curved portion forming a portion extending from the main body portion to the distal end and having a curved shape in a natural state. The curved portion can include a first curve extending in a curved state from the main body portion, an intermediate portion extending from the first curve, a second curve extending from the intermediate portion and curved in a direction same as that of the first curve, and an extreme distal end portion of a substantially linear shape extending from the second curve. A method of using the catheter is also disclosed.

Catheter for coronary artery and engaging method therefor

A catheter assembly comprises an outer catheter including an outer catheter body and an outer catheter hub at a proximal portion of the outer catheter body; and an inner catheter including an inner catheter body insertable in the outer catheter body, a tip at the distal portion of the inner catheter body which is rich in flexibility, and an inner catheter hub at the proximal portion of the inner catheter body adapted to be coupled to the outer catheter hub. The inner catheter body includes a flexible section connected the tip, a physical property transition section on the proximal side of the flexible section, a first body section on the proximal side of the physical property transition section, a second body section on the proximal side of the first body section, greater than the first body section in flexural rigidity, and having a reinforcing material layer.

Growing community of inventors

Shizuoka, Japan

Daisuke Nakashima