Terumo Kabushiki Kaisha

Hideshi Obitsu

Takeshi Kanamaru

Shigeru Omori

Kazuyoshi Takayama

Hiroyuki Yagami

Atsuhiro Nakagawa

Koji Nakao

Hiroshi Katsumata

Takayuki Hirano

An intravascular foreign matter removing wire has a flexible long wire body, a first catching section located on the tip side of the wire body and operative to catch a foreign matter present inside a blood vessel, and a second catching section located in the vicinity of and on the base end side of the first catching section and operative to catch a foreign matter present inside a blood vessel.

Intravascular foreign matter removing wire and medical implement

The laser induced liquid jet generating apparatus irradiates a laser beam on a liquid in a main body, guides the generated liquid jet into a catheter via a nozzle, and generates a flow in the direction opposite the liquid jet. Even by the use of a catheter having a small outside diameter, therefore, the apparatus is enabled to effect powerful laser irradiation without being thermally affected by the laser beam and consequently shatter thrombus, for example, and recover by aspiration the shattered thrombus through the distal end of the catheter.

Laser induced liquid jet generating apparatus

A guide wire comprising a super-elastic core member which consists of a proximal section, a distal section smaller in diameter than the proximal section and a intermediate section between the proximal section and the distal section, an X-ray opaque metal coil attached to the distal section of the core member in tight contact with the distal section, a synthetic resin envelope which covers the core member and the X-ray opaque metal coil to form a substantially smooth outside surface, and a hydrophilic lubricative layer which covers the outside surface of the synthetic resin envelope. The distal section of this guide wire can be reshaped repeatedly. The X-ray visibility of the distal section is improved.

Guide wire

An ultrasonic imaging catheter includes an outer sheath that is adapted to be inserted into a body cavity, and a drive shaft that is positioned in the outer sheath for transmitting mechanical driving force. The catheter is also provided with first and second elastic members. The first elastic member is disposed at the tip portion of the outer sheath while the second elastic member that is secured to the housing containing a transducer has a free end that is inserted into the first elastic member. The portion of the catheter between the housing and the first elastic member at the free end of the catheter is thus reinforced to improve flexibility and kinking of the catheter. The housing can be made of insulating ceramic material so that the insulation and resistance of the housing is high. Thus, a short between the electrodes of the oscillator does not occur even when the oscillator is in direct contact with the housing.

Growing community of inventors

Kanagawa, Japan

Hideshi Obitsu