Abstract: The present invention provides a medical apparatus including medical equipment to be introduced into a body, including an image pickup unit that picks up an image of an inspection target in the body, an outer casing that movably holds the image pickup unit, a fixing unit that fixes the outer casing together with the image pickup unit to an inner wall of the body in contact therewith and a field of view adjusting unit that makes the image pickup unit movable with respect to the outer casing and adjusts the direction of a field of view of the image pickup unit, and can thereby realize a small medical apparatus and equipment capable of performing low-invasive surgical operation without increasing burden on patients, easily adjusting the direction of the field of view while being fixed and kept in the body and improving viewability of the inspection target.

Abstract: A medical apparatus of the present invention includes a medical device configured to be introduced into a body, and the medical apparatus further includes: an image pickup portion which is provided in the medical device and picks up an image of a subject to be examined in the body; a securing portion configured to secure the medical device to a wall in the body; and a grasping unit which is arranged in parallel to the image pickup portion, incorporates at least one assistance apparatus that assists the image pickup, and is configured to be grasped when the medical apparatus is introduced and retracted in and out of the body.

Abstract: A plating apparatus includes a plating tank for storing a plating liquid, and applies a magnetic alloy plating to a shaft-shaped member immersed in the plating liquid by using the shaft-shaped member as a cathode. The plating apparatus further includes a routable member configured to rotate the shaft-shaped member as a rotary shaft; annular shielding tools mounted on the outer peripheral surface of the shaft-shaped member; a plating liquid discharge nozzle including plating liquid discharge ports which are provided to face the shaft-shaped member so as to avoid the shielding tools; and an anode provided around the shaft-shaped member and the plating liquid discharge nozzle.

Abstract: A medical device includes: a medical instrument introduced into a body cavity and having a contact portion that is fixed in contact with a wall within a body, and a wire; an extracorporeal device installed on a body surface and having a hole portion through which the wire can be inserted and removed, fixing mechanisms for fixing the wire inserted through the hole portion, and a housing that is fixed in contact with the body surface; and a pressure adjusting portion provided in one of the medical instrument and the extracorporeal device for maintaining a predetermined tensile force or more that is applied to the wire when the wire is fixed by the fixing mechanism with a body wall being sandwiched between the contact portion and the housing.

Abstract: A medical apparatus includes: a medical device equipped with a driven attitude controller and introduced into a body cavity; a fastener detachably installed on the medical device and used for fastening to a body wall in the body cavity; and an attitude control apparatus equipped with an attitude controller which moves the medical device with respect to the fastener.

Abstract: A magnetostrictive torque sensor comprising a first magnetostrictive film, a second magnetostrictive film, and a third magnetostrictive film formed over the entire circumferential periphery of a surface of a rotating shaft. A first sensor coil, a second sensor coil, and a third sensor coil for sensing changes in impedance are provided for the first, second, and third magnetostrictive films, respectively. Signals according to the changes in impedance outputted from the first through third sensor coils are inputted to a torque calculating unit. The torque calculating unit calculates the torque applied to the rotating shaft on the basis of the output signal from the first sensor coil and the output signal from the second sensor coil. Furthermore, the output signals from the first through third sensor coils are compared, and failures in the first magnetostrictive film or the second magnetostrictive film are detected by a failure detector.

Abstract: An endoscope system includes a camera for picking up an image inside a body cavity, a camera side magnet connected to the camera and a fixing magnet, for fixing the camera inside the body cavity by holding an abdominal wall from different surfaces of the abdominal wall, and a second CCU for controlling the camera.

Abstract: An endoscope system has a camera which picks up an image in a body cavity, and a needle portion which is an electrode for transmitting a signal picked up by the camera, and which is pierced through a body wall, to transmit the signal from the camera to the outside of the body cavity.

Abstract: An endoscope system according to the present invention includes at least one first photographing device that can photograph an object, at least one second photographing device different from the first photographing device, a retaining member for retaining the second photographing device in a body cavity, a signal processing device that processes signals photographed by the first photographing device and the second photographing device, and a display device that displays an image signal outputted from the signal processing device.

Abstract: A medical instrument includes an elongated insertion section, a pair of holding portions which hold tissue, a heat source portion, and an operation section which relatively opens/closes the holding portions. The holding portions are provided at a distal end portion of the insertion section. The heat source portion is provided to at least one of the holding portions, generates heat, and transfers the heat toward the other holding portion. At least a part of the heat source portion is covered with an insulating member provided to the holding portions. The operation section is provided at a proximal end portion of the insertion section.

Abstract: The magnetostrictive torque sensor is a magnetostrictive torque sensor 10 having a rotating shaft 11 on which at least one magnetostrictive film 14A or 14B is formed, and has such a structure that the rotating shaft 11 has small diameter portions 11e and 11f and large diameter portions 11b, 11c and 11d positioned on both end sides of the small diameter portions, and a length in an axial direction of the small diameter portion is determined in relation to a coil width of an induction heating coil RC to be used at a high frequency heating step and one magnetostrictive film is formed in the small diameter portion.

Abstract: A magnetostrictive torque sensor comprising a first magnetostrictive film, a second magnetostrictive film, and a third magnetostrictive film formed over the entire circumferential periphery of a surface of a rotating shaft. A first sensor coil, a second sensor coil, and a third sensor coil for sensing changes in impedance are provided for the first, second, and third magnetostrictive films, respectively. Signals according to the changes in impedance outputted from the first through third sensor coils are inputted to a torque calculating unit. The torque calculating unit calculates the torque applied to the rotating shaft on the basis of the output signal from the first sensor coil and the output signal from the second sensor coil. Furthermore, the output signals from the first through third sensor coils are compared, and failures in the first magnetostrictive film or the second magnetostrictive film are detected by a failure detector.

Abstract: A pulse voltage having a frequency of 15 kHz is applied from a discharging power supply unit (48) to between a crankshaft (12) and an electrode plate (45) at a current density of 2.5 mA/cm2 to generate a glow discharge and an electric heater (34) is driven at a 40% output (64 kW/kg) to heat the crankshaft (12) to up to 400° C., and then heating is continued with the current density of a glow discharge set at 0.5 mA/cm2 and the output of the electric heater (34) set at 90% (144 kW/kg), thereby effecting nitriding at a desired nitriding temperature.

Abstract: The medical apparatus of this invention includes a therapeutic section at least having a blade for treating a living tissue thermally, a heat insulating part for insulating heat conduction from the blade to the main body of the medical apparatus. The therapeutic section and the heat insulating part are preferably provided on a grasping section (for example, a pair of jaws) for grasping the living tissue. It is preferable that the therapeutic section has a shape such that the living tissue and the side surface of the therapeutic section do not contact with each other. It is also preferable that the heat insulating portion has a shape such that the living tissue and the heat insulating portion do not contact with each other.

Abstract: A connector for medical instruments has an elongated plate-like electrode provided in a socket connected to a plug of the medical instrument and extending in a moving operation direction in which the socket is connected to the medical instrument and an elongated plate-like electrode provided in the plug and extending in a moving operation direction in which the socket is connected. The connector further has an annular wall provided in the plug to surround the electrode of the plug.

Abstract: Disclosed is a novel electric joining method and apparatus that can overcome the defects associated with the prior art while taking advantage of the technology for the pulse excited sintering process such as spark plasma sintering process or the hot-press joining process.

Abstract: A medical instrument includes an elongated insertion section, a pair of holding portions which hold tissue, a heat source portion, and an operation section which relatively opens/closes the holding portions. The holding portions are provided at a distal end portion of the insertion section. The heat source portion is provided to at least one of the holding portions, generates heat, and transfers the heat toward the other holding portion. At least a part of the heat source portion is covered with an insulating member provided to the holding portions. The operation section is provided at a proximal end portion of the insertion section.

Abstract: An ultrasonic treatment apparatus comprises an ultrasonic transmitting member which has a treatment portion for treating a target portion and which transmits ultrasonic vibrations to the treatment portion, a transducer which is connected to the ultrasonic transmitting member and includes a first element for vibrating the ultrasonic transmitting member in an axial direction thereof and a second element for vibrating the ultrasonic transmitting member in a torsional direction thereof, a rotation driving portion which freely rotates the transducer, a first driving portion which drives the first element in the transducer, a second driving portion which drives the second element in the transducer, and a control portion which independently controls the first driving portion, the second driving portion, and the rotation driving portion.

Abstract: A trocar sheath tube according to the present invention comprises an insert portion introduced into the inside of a body, the insert portion having a tube passage, the tube passage being capable of passing a medical instrument internally, the insert portion guiding the medical instrument into the inside of a boy through this tube passage, a holding portion provided at the proximal end side of the insert portion in order to hold the proximal end side of the medical instrument inserted through the insert portion, the holding portion having an opening communicating with the tube passage of the insert portion, a sealing member removably mounted to the opening of the holding portion, the sealing member having a first sealing portion coming into intimate contact with the medical instrument, the sealing member sealing a space between the medical instrument and the holding portion by this first sealing portion, and a fixing member adopted to fix the sealing member to the holding portion.

Abstract: An ultrasonic operation system includes: a transmission cable that is connected detachably, through a connector, to a connector receptacle in a main apparatus unit; plural types of transducers provided with a connector receptacle each capable of detachably connecting the connector of the transmission cable, an identification element for outputting its own identification signal, and a ultrasonic vibrator, correspondingly; and a main apparatus unit for receiving the identification signals in an identification circuit, automatically controlling drive signals that a control circuit causes a drive signal generator unit to generate, and automatically displaying the identified instrument on a control-display unit.