摘要:
A manufacturing method of an ultrasonic probe includes analyzing a first lateral vibration which is superposed on a longitudinal vibration in a probe preparatory body when the probe preparatory is longitudinally vibrated because of an asymmetric shape of a distal asymmetric portion. The manufacturing method includes specifying a bending position to bend a symmetric portion so that a proximal side probe component located to a proximal-direction side of the bending position is parallel to the X-Y plane and tilted relative to the X-axis, a second lateral vibration, which has the same wavelength and vibration direction as the first lateral vibration and is in anti-phase with the first lateral vibration, being superposed on the longitudinal vibration and the first lateral vibration while the symmetric portion is bent at the bending position.
摘要:
A connection mechanism (300) for an ultrasonic-vibration generating/transmitting unit (200) is provided in each of parts constituting the ultrasonic-vibration generating/transmitting unit (200) which generates and transmits ultrasonic vibration, the connection mechanism connecting the parts to each other to form the ultrasonic-vibration generating/transmitting unit (200). When an one end portion (41a) is inserted into a cylinder member (301) from a cylinder-side one end portion (341a) and when the other end portion (51a) is inserted into the cylinder member (301) from a cylinder-side other end portion (351a) so that the other connection portion (51g) is connected to a cylinder-side connection portion (351g), a held portion (41c) is held by an end face (511a) of the other end portion (51a) and a cylinder-side protrusion portion (341c) in the axial direction of the cylinder member (301), whereby the one end portion (41a) and the other end portion (51a) are connected to each other.
摘要:
Provided is an imaging system that can prevent exposure unevenness in an image even though exposure and readout of an imaging element are performed with timing shifted for every line. An imaging system 1 includes: an illumination unit 41 that emits illumination light for illuminating a subject; a light receiving unit 244f in which pixels are arranged two-dimensionally, each pixel receiving light and generating an electric signal by performing photoelectric conversion of the light; a readout unit 244g that sequentially reads out the electric signal for every horizontal line from the light receiving unit 244f; and an illumination controller 42 that keeps intensity of the illumination light emitted from the illumination unit 41 constant in at least a part of a readout period where the readout unit 244g reads out the horizontal line of the light receiving unit 244f in one frame or one field period, and outside the readout period, variably controls an illumination time of the illumination light emitted from the illumination unit 41.
摘要:
Provided is a capsule medical device and a medical system that can alleviate electric power consumed for generating a magnetic field for detecting a position and a posture of the capsule medical device from the outside of a subject. The capsule medical device is a capsule endoscope 100 introduced into a subject and used therein and includes: a power supply unit 123; a capsule detection magnetic field generation unit 126 generating a capsule detection magnetic field for detecting a position and/or a posture of the capsule endoscope 100 from the outside of the subject upon receiving electric power provided by the power supply unit 123; a guiding-magnetic field detector 125 detecting a state of the capsule endoscope 100; and a capsule detection magnetic field controller 127 controlling the power supply to the capsule detection magnetic field generation unit 126 based on an output result of the guiding-magnetic field detector 125.
摘要:
An endoscope system (100) according to the present invention includes first and second optical receivers (28A, 28B), a tuning unit (81) that sets a pixel as a reading target in each of the first and second optical receivers (28A, 28B) such that pixel information is read alternately from the first and second optical receivers (28A, 28B) and controls timing of exposure processes in the first and second optical receivers (28A, 28B) and timing of reading processes of the pixel information for the first and second optical receivers (28A, 28B) to be correlated with one another, and an assembled cable (31) that transmits the pixel information read from the first and second optical receivers (28A, 28B) in a same transmission path.