摘要:
A device for cleaning pipe passages of medical devices comprises a brush having an elongated rod portion and a brush portion, a mechanism for holding and rotating the brush, a mechanism for reciprocating the brush in the pipe passage along the longitudinal axis of the brush, and a unit for controlling the rotation of the brush as well as the reciprocation of the brush in the longitudinal direction thereof.
摘要:
An elevator apparatus is provided with a hoisting unit including a drive sheave for winding a rope around it. The hoisting unit includes a rotary member. The rope has a car attached at one end thereof for suspending. A braking force is applied to the rotary member by a biasing unit. The braking force against the rotary member is released by a releasing unit, and is reduced by a reducing unit. In emergency stop of such an elevator apparatus, slipping of the rope is not caused to control the braking force with ease.
摘要:
A medical instrument whose distal end is inserted into a body cavity of a subject in cooperation with a treating unit, comprises an insertion section including a distal end inserted into the body cavity and having a first opening exposed there, a proximal base end located outside the body of the subject, and a channel provided in the insertion section and extending from the proximal base end toward the first opening, an operation section connected to the proximal base end and having a second opening leading to the channel, a mount piece provided around the second opening. A valve is provided on the mount piece including a body having a slit adapted to be opened when the treating unit is inserted into the channel and closed when it is withdrawn from the channel and an annular groove detachably fitted on the mount piece, and a thin-walled portion for destroying the valve when the valve is removed from the mount piece.
摘要:
A medical instrument whose distal end is inserted into a body cavity of a subject in cooperation with a treating unit, comprises an insertion section including a distal end inserted into the body cavity and having a first opening exposed there, a proximal base end located outside the body of the subject, and a channel provided in the insertion section and extending from the proximal base end toward the first opening, an operation section connected to the proximal base end and having a second opening leading to the channel, a mount piece provided around the second opening. A valve is provided on the mount piece including a body having a slit adapted to be opened when the treating unit is inserted into the channel and closed when it is withdrawn from the channel and an annular groove detachably fitted on the mount piece, and a thin-walled portion for destroying the valve when the valve is removed from the mount piece.
摘要:
A rotary valve has a valve body having at least one cylindrical hole, and casings provided with sleeves/plugs having an outer diameter substantially equal to an inner diameter of the cylindrical hole. The sleeves/plugs are provided in coaxial relation with the cylindrical hole. A flow of fluid is controlled by the relative motion between the valve body and the casings. The rotary valve may be provided with a high response time even by a small drive force.
摘要:
An electrosurgical apparatus includes a radio frequency (RF) power source for supplying an RF signal to an object to be cauterized through a treatment tool and an electrode plate. A dummy load with a certain impedance is coupled in the current path from an active terminal to which the treatment tool is connected to the check terminal connectable to an electrode plate. Before electrosurgical treatment, the dummy load is connected to the active terminal and the check terminal. An actual RF signal flowing through the dummy load is detected and compared with a predetermined RF signal from the RF power source.
摘要:
The velocity of a cage during a time interval from the start of deceleration to the stoppage of the cage is controlled by utilizing a velocity characteristic which changes depending upon the load condition or oil temperature of a hydraulic elevator, that is, a magnitude by which the velocity characteristic during the acceleration of the cage differs from a reference running characteristic. Thus, even when the load state or the oil temperature has changed, the operating period of time of the hydraulic elevator is shortened, so that a comfortable ride, energy saving, cost reduction etc. are attained.
摘要:
A fluid-pressure driving device including a main actuator unit having a piston adapted to travel a full part of a predetermined stroke and an accelerating actuator unit having a piston adapted to travel only a part of the stroke and being capable of operating only during the acceleration of the object to be actuated. These actuator units are operated under the control of a control valve such that, in the accelerating range in which the speed of the object is still low, both actuator units operate to produce a large actuating force, while, after the acceleration, only the main actuator unit operates to fully travel the required stroke.
摘要:
To increase the heat resistance of a film capacitor, a dielectric resin composition is used as a material for a dielectric resin film used in a film capacitor, the dielectric resin composition being cured by mixing and crosslinking two or more organic materials having functional groups that react with each other to provide a cured article. At least one pair highly cohesive atomic groups which has a molecular cohesive energy equal to or higher than that of a methyl group and capable of cohering with each other due to the molecular cohesive energy is linked to the organic material. The highly cohesive atomic groups form a cohesive portion serving as pseudo-crosslinking.
摘要:
To increase the heat resistance of a film capacitor, a cured article obtained by curing a mixed solution of a polyvinyl acetal having a hydroxyl group content of 10% to 38% by weight, the number of backbone carbon atoms of the polyvinyl acetal being 100 or more, and a polyisocyanate having an isocyanate content of 1% to 50% by weight is used as a dielectric resin films material arranged between first and second counter electrodes facing each other. At least the polyvinyl acetal is subjected to high-pressure homogenization in which a shearing force is applied such that a pressure applied to the polyvinyl acetal is 50 MPa or more when the material is passed through a path having a diameter of 0.125 mm and a length of 5 mm, so that the solubility is increased to allow a curing reaction to proceed uniformly. The cured article has a glass transition temperature of 130° C. or higher and a breakdown voltage of 350 V/μm or more.