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Radiation image reading apparatus

A radiographic image and reading device technology, applied in optics, instrumentation, photography, etc., can solve the problems of shortening the life of the exhaustive phosphor film, polluting the phosphor surface, and making it difficult to provide high-quality diagnostic images

Inactive Publication Date: 2007-11-21
KONICA MINOLTA MEDICAL & GRAPHICS INC
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  • Abstract
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  • Claims
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Problems solved by technology

On the other hand, in the contact conveying method, since the surface of the luminescent phosphor is clamped by rollers, when contamination or dust is attached to the roller, the surface of the luminescent body will be polluted, and there is a shortcoming of shortening the lifetime of the luminous phosphor film.
In addition, in the read image, damage or contamination on the surface of the luminescent phosphor appears as a source of noise, thus making it difficult to provide a high-quality image as a diagnostic image

Method used

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Embodiment Construction

[0085] Hereinafter, embodiments of the present invention will be described in detail. FIG. 1 is a schematic perspective view of a radiographic image reading device to which the present invention is applied, and FIG. 2 is a schematic perspective view of the external appearance of the upper surface, the front surface, and the left side of the radiation image reading device. The radiographic image reading device is provided with a film changer insertion port 21 in the longitudinal direction of the upper surface of the substantially cube-shaped housing 2. If its width is wider than the thickness of the film changer 1000, various types of A necessary device to read the changer 1000.

[0086] In addition, a check point cover 22 that can be opened and closed is provided on the lateral side of the housing 2. FIG. 1 shows a state in which the inspection point cover 22 is opened.

[0087] The housing 2 is equipped with a plurality of rollers 211, which can rotate around an axis in the left-...

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Abstract

A radiation image reading apparatus having a front plate holding means, a back plate holding means, and a conveyance means for conveying at least either of the holding means between a cassette joint position and a position for reading radiation image information that substantially parallelly separates a front plate and a back plate. The conveyance means has a first link whose upper end is pivotably attached to a holding means conveyed and whose lower end is vertically movably attached to an apparatus body; a second link whose upper end is pivotably attached to the apparatus body and whose lower end is vertically movably attached to a holding means conveyed; a connection shaft for pivotably connecting the first linkand the second link at the portion where they cross; and an actuator for vertically driving the lower end of either of the links.

Description

Technical field [0001] The present invention relates to a radiographic image reading device that reads radiographic image information accumulated on an exhaustive phosphor plate. Background technique [0002] In order to digitize the radiographic image information taken in the hospital, and save or transmit it electronically, radiographic image reading devices are used in many cases, which output the image information as digital information. As such a radiographic image reading device that outputs digital information, a radiographic image reading device using an exhaustive phosphor film is well known. [0003] The depletion phosphor film detects a part of the radiation energy transmitted through the subject, and at the same time it can store the detected radiation energy in the interior of the depletion phosphor film. In addition, by excitation with a laser of a predetermined wavelength, the radiation energy accumulated in the exhaustive phosphor film can be obtained with exhaust...

Claims

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Application Information

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IPC IPC(8): G03B42/02
CPCG03B42/02
Inventor 安藤政和
Owner KONICA MINOLTA MEDICAL & GRAPHICS INC
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