Terumo Kabushiki Kaisha

Hitachi High-tech Corporation

Isao Mori

Ema Itoh

Naoki Yasui

Norihiko Ikeda

Kazuya Yamada

Masaru Izawa

Koichi Yamamoto

Junya Furuichi

Koji Nakamura

Masanori Tokida

Masayuki Sakamoto

Keiichiro Yamamoto

A plasma processing apparatus includes a processing chamber in which a sample is subjected to plasma processing, a first radio frequency power supply that supplies radio frequency power for generating plasma, a sample stage on which the sample is mounted, and a second radio frequency power supply that supplies radio frequency power to the sample stage, the plasma processing apparatus further includes a DC power supply that applies a DC voltage, that is changed according to a periodically repeated waveform, to the sample stage, and the waveform of one cycle has a period in which amplitude changes by a predetermined amount or more during a predetermined time. Accordingly, charged particles on a wafer surface are removed, a trench shape with high verticality can be obtained, and damage to a film that is not to be etched inside a trench can be reduced.

Plasma processing apparatus

An imaging apparatus is disclosed for diagnosis including a plurality of transmitting and receiving units, an error of a scale of a tomographic image to be generated is reduced. The imaging apparatus includes a transmitting and receiving unit comprising a first transmitting and receiving unit configured to perform transmission and reception of an ultrasound signal and a second transmitting and receiving unit configured to perform transmission and reception of an optical signal when rotating in the lumen of the measurement subject body; and a processor configured to: convert positional information of each position outside the range in which the flushing liquid flows regarding the ultrasound line data generated by the processor based on a ratio between the ultrasound propagation velocity in the flushing liquid and the ultrasound propagation velocity in the blood vessel; and construct the first tomographic image using the ultrasound line data which is converted by the processor.

Imaging apparatus for diagnosis and program

A control device is disclosed that includes a processor configured to: receive a signal from an imaging core, the imaging core including an optical transceiver and an ultrasound transceiver; determine whether the imaging core is in a state where the ultrasound transceiver can properly execute transmission and reception, based on at least one of the signal from the optical transceiver and the signal from the ultrasound transceiver which are received from the imaging; and control execution of an optical path length adjustment for imaging with the optical transceiver when the ultrasound transceiver can properly execute the transmission and reception.

Control device, image diagnosis apparatus, method for processing of control device, and program

According to one embodiment, a plasma processing apparatus includes a processing chamber, a sample stage that is disposed inside the processing chamber and electrically divided into a plurality of regions on which a sample is placed, an electromagnetic wave introduction unit that introduces electromagnetic waves into the processing chamber, and a bias power applying unit that applies bias power to the sample stage, in which the bias power applying unit is configured to include a first radio frequency power applying unit that applies first radio frequency power to a first region out of the plurality of electrically divided regions of the sample stage, a second radio frequency power applying unit that applies second radio frequency power to a second region out of the plurality of electrically divided regions of the sample stage, and a phase adjuster that controls the first radio frequency power applying unit and the second radio frequency power applying unit to shift the phases of the first radio frequency power and the second radio frequency power by a predetermined amount.

Plasma processing apparatus and plasma processing method

An imaging apparatus is disclosed for diagnosis generating a first tomographic image and a second tomographic image inside a lumen of a measurement subject body by using an ultrasound signal which is transmitted and received by a first transmitting and receiving unit and an optical signal which is transmitted and received by a second transmitting and receiving unit in a case where a transmitting and receiving unit in which the first transmitting and receiving unit performing transmission and reception of the ultrasound signal and the second transmitting and receiving unit performing transmission and reception of the optical signal are disposed moves in an axial direction while rotating in the lumen of the measurement subject body.

An imaging apparatus is disclosed for diagnosis including a plurality of transmitting and receiving units, an error of a scale of a tomographic image to be generated is reduced. The imaging apparatus can include including acquisition means for acquiring a propagation velocity of an ultrasound signal of a flushing liquid, generation means for generating ultrasound line data based on the propagation velocity of the ultrasound signal in a blood vessel tissue, and conversion means for converting positional information of each position within a range in which the flushing liquid flows regarding the ultrasound line data generated by the generation means based on a ratio between the propagation velocity in the blood vessel tissue and the propagation velocity in the flushing liquid. A tomographic image of a blood vessel is constructed by using the ultrasound line data converted by the conversion means.

A radiopaque marker detection method of detecting the radiopaque marker disposed in a probe on multiple X-ray images captured while the probe for acquiring the tomographic image moves in an axial direction of a catheter, a position of the radiopaque marker disposed in the probe on each of the multiple X-ray images captured during the movement of the probe is detected from the X-ray images captured during a predetermined period before the probe starts to move, by extracting a line extending along the probe and using the extracted line.

Image display device and its control method, x-ray opaque marker detection method

An image diagnosis apparatus determines an effective pulse based on a pulse signal corresponding to the rotation of an imaging core from a pulse signal corresponding to an A line indicating a period of a light source and switches the polarization state of light transmitted from an optical transceiver according to the effective pulse. According to the effective pulse, the image diagnosis apparatus acquires a signal of interference light between the light received by the optical transceiver and reference light.

Image diagnosis apparatus, method of controlling image diagnosis apparatus, computer program, and computer readable storage medium

An imaging apparatus, method, and computer readable medium are disclosed, which can detect in a case where a foreign substance such as air and blood other than transparent liquid is present inside a catheter, and can urge a user to perform priming so that an image having higher accuracy can be reconstructed. According to the present disclosure, the imaging apparatus can determined whether or not the foreign substance such as air and blood is present between an imaging core and an inner surface of a catheter sheath, from line data which is generated based on interference light data obtained when the priming is performed or at stages before and after pull-back scanning is performed. In a case where the foreign substance enters, a message urging the user to perform the priming is displayed.

Imaging apparatus for diagnosis, method of controlling the same, program, and computer readable storage medium

An imaging apparatus is disclosed for diagnosis, which can automatically discriminate an optical refractive index of flushing liquid which is utilized during pull-back scanning, and reconstruct a blood vessel cross-sectional image having an appropriate scale. An intensity of reflected light in a medium having a known refractive index is obtained in advance. An intensity of the reflected light on a border surface between a catheter sheath unit and the flushing liquid is detected based on interference light data, which is obtained during the pull-back scanning. The refractive index of the flushing liquid is calculated based on the intensity of the reflected light, an intensity of incident light obtained from the stored reflected light, and a known refractive index of the catheter sheath unit.

Imaging apparatus for diagnosis and method of controlling the same

An in-vivo intravascular blood replacing liquid of the present invention is injected into a blood vessel to replace blood at an intravascular portion to be inspected therewith in making an in-vivo intravascular inspection. The blood replacing liquid comprises an aqueous medium unharmful for a living body and a gelling property imparting substance, unharmful for the living body, which is added to the aqueous medium to impart a gelling property to the blood replacing liquid. The blood replacing liquid has a viscosity of not more than 3 mPa&#xb7;s when the blood replacing liquid is injected into the blood vessel.

In-vivo intravascular blood replacing liquid, in-vivo intravascular blood replacing liquid formulation, and prefilled syringe

A tomographic image generation device acquires ultrasonic wave data and interference light data to be used for generating a tomographic image for one line in respective rotation positions of the transmitting and receiving unit by performing sampling respectively on an ultrasonic wave echo signal and an interference light signal obtained by driving the ultrasonic wave transmitting and receiving unit and the optical transmitting and receiving unit while rotating the transmitting and receiving unit. Then, the tomographic image generation device controls operation timing of the acquisition means so that a sampling period for performing sampling on the interference light signal for one line and a predetermined period from driving of the ultrasonic wave transmitting and receiving unit for ultrasonic wave oscillation are not overlapped.

Growing community of inventors

Chofu, Japan

Isao Mori