Abstract: A magnetic polishing method capable of easily and satisfactorily polishing the inner peripheral end face of a circular hole (1) at the center part of a disk substrate (2) even if the diameter of the circular hole is reduced. By this method, a large quantity of disk substrates with stable quality can be supplied, thermal asperity trouble and head crush can be prevented from occurring on a magnetic disk, and the density of the information recording surface of the magnetic disk can be increased.

Abstract: A swiveling utility machine includes a swivel deck, an engine disposed at a rear portion of the swivel deck, a radiator disposed adjacent the engine, a driver's seat, a right implement controller disposed on the right side of the driver's seat and a left implement controller disposed on the left side of the driver's seat. A support frame is disposed at a rear portion of the swivel deck in such a manner as to create a rectangular space inside the swivel deck, the engine being mounted within the rectangular space. The driver' seat is disposed upwardly of the support frame. The right implement controller is secured to a right side of the support frame, and the left implement controller is attached to a left side of the support frame to be switchable in its posture between an operational posture and a retracted posture. An access step is disposed at a front portion of the support frame, and an access entrance is provided on a left side of the access step.

Abstract: A swiveling work machine includes a swivel deck, an engine and an operator's seat which are mounted on the swivel deck and a protector for the operator's seat mounted erect on the swivel deck. The swivel deck mounts, at a rear portion thereof, a support frame having four post portions disposed around the engine. Two rear post portions of the support frame have upper ends thereof connected via a rear beam member. The rear beam member includes an attaching portion for the operator's seat protector to which portion the protector is attached.

Abstract: An apparatus for holding a medical device has an arm unit equipped with, for example, a polyarticular arm, which holds the medical device such as endoscope movably in the space. Additionally to a determination unit and a controller, the holding apparatus has an operation unit equipped with a plurality of operation members with which an operator's operation causes the arm unit to be moved spatially. The determination unit determines whether or not operator's operations at the plurality of operation members corresponds to an improper state deviating from a properly operated state in which at least two predetermined operation members have been operated within a predetermined period of time which is set to measure simultaneity for operations. If it is determined that the operation is in the improper state, the controller prohibits the arm unit from moving. As long as the operation is proper, the arm unit can be moved.

Abstract: An image observation apparatus having an image projection unit, an image display for displaying an image that is projected from the image projection unit, and a support mount for supporting the image display unit in a three dimensional space is disclosed. The center for changing the inclination of the image display is located on the image display and the emitting optical axis of the image projection unit also passes through the center. Thereby, the operation for inclining the image display can be easily carried out, and adjustment of the image projection unit in accordance with change of the inclination is not necessary.

Abstract: There is disclosed an operation microscope in which an observing and displaying system of an operating instrument are selected, and an endoscope image for observing a dead angle of the microscope and a navigation image are selectively displayed in a microscope observation field, so that a tomographic image, three-dimensionally constructed image, and the like can be selectively displayed in a display screen in accordance with a treatment position displayed in a monitor or an observation position of the operation microscope.

Abstract: An endoscope is connected optically removably to a TV camera through an adapter. A plurality of fixing pins is arranged on both sides of an insertion axis of an insertion part of the endoscope. A fixing unit to fix the endoscope removably is provided at the front end of an arm unit of an endoscope holder which supports the endoscope movably. The fixing unit has a claw and a movable claw, and grips the fixing pins of the endoscope releasably between the claw and the movable claw.

Abstract: A medical instrument holding device includes a grasping portion onto which a medical instrument is mounted, an acceptant arm supported by a link mechanism, and a ball joint element adapted to be fixed to and released from the acceptant arm. The grasping portion is connected to the acceptant arm by the ball joint element arranged above or below the longitudinal axis of the acceptant arm. A total weight of the grasping portion is always balanced so as to apply to the acceptant arm (ball joint element) so that an operator can move the grasping portion under the condition that no total weight is applied to the operator.

Abstract: A medical instrument holding apparatus includes a supporting mechanism, a moving mechanism, a basal portion and a counterweight. The supporting mechanism supports a medical instrument. The moving mechanism which has first and second sides, and a shaft portion located between the first and second sides. The moving mechanism supports the supporting mechanism, allowing the medical instrument and the supporting mechanism to be moved around the shaft portion. The basal portion is coupled to the shaft portion. The basal portion supports the moving mechanism, allowing the moving mechanism to rotate around the shaft portion. The counterweight is located on the second side of the moving mechanism. The counterweight generates a first rotation moment being smaller than a second rotation moment generated from the weights of the medical instrument and the supporting mechanism and acting around the shaft portion in the opposite direction to the second rotation moment.

Abstract: An ultrasonic observation system of the invention includes a long ultrasonic probe having an ultrasonic sending and receiving portion, which can send and receive ultrasonic, and a holding portion, as a rotation operating portion, which can rotate the ultrasonic probe around an axis, which represents an arbitrary direction of oscillation directions of ultrasonic oscillated from the ultrasonic sending and receiving portion. A grasping portion is integrated with the holding portion. A contact portion is provided at the distal end of the grasping portion 613 and has an ultrasonic vibrator inside. A fixing frame is mounted to a distal end 622 of a holding unit 621 through a bearing 625 freely rotatably around a center axis Si of the ultrasonic probe.

Abstract: Provided is a surgical observational system capable of effectively displaying, in the field of an operating microscope, a real-time image obtained by means of an ultrasonic probe, for example, and a slice image obtained by a preoperative diagnosis on the location of the distal end portion of the probe or a three-dimensional image of an affected region, in association with an actual observational image obtained by means of the microscope. The surgical operation observational system is provided with two monitors in the operating microscope for the observation of the affected region to be operated. Images on the two monitors are alternatively superposed on the optical path of the operating microscope.

Abstract: A medical image display in which a positional relationship between images from different image sources can be easily understood is disclosed. The microscopic system displays a live image of an operation and a preoperative image having the same range in a switched manner. The system preferably has a microscope for magnified observation of an operated part, an endoscope for observing the operated part, an image display section for displaying a plurality of images: a preoperative image including the vicinity of the part under operation; a preoperative image having the same range as an observing range of the endoscope; and an image observed by the endoscope, a switching section for switching the images displayed in the image display section, and a display control section for controlling the order of switching according to an instruction for switching from the switching section.

Abstract: With the beam scanning probe system for surgery, a pointer indicating the observation point of a beam scanning probe is superimposed upon an image of a lesion to be operated on in the head which is obtained via a TV camera or a surgery microscope, and the superimposed image information is registered as such in an image recording device. With the beam scanning probe system for surgery, information of a cytological picture is also registered in the image recording device. With the beam scanning probe system for surgery, the image recording device registers the two image information in a paired fashion. Through this arrangement, the beam scanning probe system for surgery can smoothly locate, for a given cytological picture, a site of a tumor to be treated from which the picture was obtained, which will ease the operation.

Abstract: A surgical microscope apparatus incorporating a frame portion placed on a floor, a microscope body for stereoscopically observing a portion to be operated, an arm portion supported by the frame portion and arranged to suspend the microscope body, and an endoscope for observing a blind spot for a stereoscopic observation field of view. The frame portion has a light source unit for generating light for illuminating a portion observed with the endoscope and a camera control unit for processing an observed image of an observed portion obtained by the endoscope. A light guide fiber extending from the light source unit to the microscope body and capable of supplying light to the endoscope, and a camera cable for transmitting the image observed with the endoscope to the camera control unit extend in the arm portion. The microscope body is provided with an end of the light guide fiber for connecting the endoscope and a camera head connected to the camera cable.

Abstract: A URL input device is connected to a WWW client device and helps the client device access a desired network object. The URL input device includes a URL storing unit, a URL displaying unit, a URL selection interface, and an access facilitating unit. The URL storing unit stores URLs for accessing network objects. The URL displaying unit displays the URLs. The URL selection interface has the user select a URL corresponding to the desired network object from the displayed URLs. The access facilitating unit facilitates the client device's access to the desired network object, by having the client device use the selected URL.

Abstract: There is disclosed an operation microscope in which an observing and displaying means of an operating instrument are selected, and an endoscope image for observing a dead angle of the microscope and a navigation image are selectively displayed in a microscope observation field, so that a tomographic image, three-dimensionally constructed image, and the like can be selectively displayed in a display screen in accordance with a treatment position displayed in a monitor or an observation position of the operation microscope.

Abstract: The present invention relates to a stereomicroscope comprising an object observation unit and an electronic image unit. The object observation unit includes an objective lens barrel section and a binocular lens barrel section, with the binocular lens barrel section including an interpupillary adjusting mechanism in a light path following a first image plane. The electronic image unit includes an electronic image display device and a projection optical system The object observation unit has an object observation image that remains fixed in position at the first image plane during interpupillary adjustment of the binocular lens barrel section. The projected image from the electronic image display device is made to be substantially in focus at the first image plane. Images at the first image plane may be relayed to a second image plane.

Abstract: The present invention relates to a stereomicroscope comprising an object observation unit and an electronic image unit. The object observation unit includes an objective lens barrel section and a binocular lens barrel section, with the binocular lens barrel section including an interpupillary adjusting mechanism in a light path following a first image plane. The electronic image unit includes an electronic image display device and a projection optical system The object observation unit has an object observation image that remains fixed in position at the first image plane during interpupillary adjustment of the binocular lens barrel section. The projected image from the electronic image display device is made to be substantially in focus at the first image plane. Images at the first image plane may be relayed to a second image plane.

Abstract: A microscope for operation body 1 having an objective lens 4 and eyepieces 5 is combined with a cap that is capable of covering the entire part of the microscope body 1 and which is made of a sterilizable elastic material such as rubber. A retaining portion 7 projecting to retain the cap is provided on the microscope body 1 and a mounting portion engageable with the retaining portion 7 is provided on the cap.

Abstract: The present invention is a heat insulating material being a single unit having superior insulating performance as well as sufficient mechanical strength itself to constitute furnace walls, an electric heating unit having the heat insulating material and a method of manufacture of the heat insulating material and the electrical heating unit. The heat insulating material of the present invention includes an outer layer having mainly refractory inorganic fibers and a core layer supported within the outer layer. The outer layer has greater mechanical strength than the core layer. The core layer has a composition having a better insulating performance than the outer layer and extends in a plane substantially perpendicular to the thickness of the heat insulating material. The electrical heating unit of the present invention has a heating element embedded in the heat insulating material.