Shimadzu Corporation

Toru Hayakawa

Hajime Takemoto

Hiroshi Okumura

Toshiaki Nakamura

Tomoya Sugie

Hiroshi Muraoka

Jun Kawai

Hiroshi Inoue

Atsuo Saito

Yoshihide Magari

Tadahiko Nakahara

An X-ray imaging apparatus is provided with an X-ray source, a detector, a C-shaped arm, a hose for accommodating wiring, the hose including a base side portion and an opposite side portion, a base including a C-shaped arm support portion and a hose attachment portion to which the base side portion is rotatably attached, a biasing member for biasing the base side portion of the hose to rotate about the hose attachment portion in the first rotation direction outwardly away from the C-shaped arm, and an image processing unit.

X-ray imaging apparatus

When a wire rope () is broken, the wire rope () will sag from the state in which the wire rope is tensioned with a predetermined tension. At this time, a pin () is pressed toward a movable support () by a biasing force of a spring (), and the tip of the pin () is brought into contact with the surface of the movable support (). When the support arm () is ascended or descended with respect to the movable support () and the pin () is arranged at a position facing the hole () formed in the movable support (), the tip of the pin () is entered into the hole (), so that the pin () and the hole () are engaged with each other. Thereby, the support arm () is fixed with respect to the movable support ().

X-ray imaging device

In this diagnostic X-ray apparatus (), a radius of a spiral pulley () is set to a radius that differs from a radius of an Archimedes' spiral so that a tensile force of the spring member () applied to a second wire rope () and a weight on an X-ray generation unit () side applied to a first wire rope () are balanced.

Diagnostic X-ray apparatus

The axial direction B of the spindlefor supporting the movable pulleysandis arranged at a position rotated about the axis of the shaft relative to the axial direction of the spindle. The axial direction B of the spindleis arranged in a state of being inclined by a predetermined angle with respect to the axial direction A when the movable pulleysandare in the lifted position. This allows the movable pulleysandto be automatically moved to a position at which no stress is applied to the first wire rope

Mobile radiographic imaging apparatus

This X-ray apparatus for rounds includes an X-ray generator capable of moving up and down in a vertical direction, a holding frame that holds a compression spring or a tension spring that expands and contracts as the X-ray generator moves up and down such that the compression spring or the tension spring is expandable and contractable, that holds a wire rope that transmits an elastic force of the compression spring or the tension spring to the X-ray generator and a pulley around which the wire rope is wound and which rotates, and that supports the X-ray generator such that the X-ray generator is movable up and down, and a support column that extends in the vertical direction and houses the holding frame such that the holding frame is detachable and upwardly exposable.

X-ray apparatus for rounds

A portable radiation imaging apparatus improves visibility while moving by arranging the supporting column in the low-position. A baseis at a bottom end of a supporting columnand is fixed to turntable. A surface holding bearinghas an inner ringand an outer ringbetween the turntableand a bottom plate. The inner ringof the surface holding bearingis fixed to the turntableand the outer ringis fixed to the bottom plate. The turntablerevolves with the supporting columnaround the revolving center C, as the center, of the supporting columnand the turntable. An idler elementhas a first circumferenceand a second circumferenceis installed to a circumference of the surface holding bearing. The revolving-side stopperand the fixing-side stopperregulate the idler element

Portable radiation imaging apparatus

A chassis has a structure in which a front structure and a rear structure are linked by an upper floor and a lower floor. The front structure is linked to a front wheel via a coupling member, a front wheel support member and a shaft. The front structure has a cylindrical support member. In addition, the rear structure is linked to a rear wheel via a shaft. A reinforcing member, which links the front structure and the rear structure in the central part of a space for accommodating a battery, is installed inside the space for accommodating the battery. The front end of the reinforcing member is linked to the cylindrical support member in the front structure. The upper surface of the reinforcing member is fixed to the upper floor and the lower surface of the reinforcing member is fixed to the lower floor.

According to the present invention, a highly safe moving-type radiation device can be provided. In the case of a conventional configuration using tension springs, if a spring is severed, the fragments will separate from each other permanently. Therefore, the present invention uses compression springandinstead. According to the spring mechanism of the present invention, even if a shaft is about to move largely in accordance with the severing of a spring, fragments of the spring, which has become stuck each other and immovable, interfere and prevent the movement of the shaft. What has been devised in the present invention is a junction spring seat that links a plurality of compression springsand. With this, even in cases where the compression springsandare linked in series, the compression springsandwill not be buckled.

Moving type radiation device

The present invention provides a moving type radiation device improved in usability. The stroke of an intermediate member in a conventional configuration can be increased when an effective diameter of a pinion with respect to an effective diameter of a lower sprocket is determined so that a magnitude of a relative movement that occurs when a lower sprocket and the pinion between an X-ray tube and the intermediate member becomes larger than the magnitude of the relative movement between the X-ray tube and the intermediate member. In the device according to the present invention, the intermediate member moves further toward the floor side than in a conventional device. The operator can move the device while feeling high operability in a state in which the visibility is not interrupted by the intermediate member.

Medical X-ray imaging machine

An X-ray diagnostic device has an attachment-and-detachment detection element that detects an attachment-and-detachment of the attachment-and-detachment member, a rotation detection element that detects the rotation of the motor, a torque adjustment element that adjusts the torque of the motor, and a torque detection element that detects the torque when the rotation of the motor suspends; wherein when attachment-and-detachment is detected, the brake is released; when the brake is released, the rotation of the motor due to an out of balance condition between the up-and-down moving element and the counterweight is detected and the motor torques is adjusted so as to suspend the detected rotation of the motor; the torque when the rotation of the motor suspends is continuously provided, so that the balance between the up-and-down moving element and the counterweight can be kept positioned.

Growing community of inventors

Kyoto, Japan

Toru Hayakawa