Cassette reading processing device, cassette reading processing method and cassette
a processing device and cassette technology, applied in the field of cassette reading processing device, cassette reading processing method and cassette, can solve the problems of non-woven fabric, dust generation, dust generation, etc., and achieve the effect of suppressing the generation of dust which generates image defects
Inactive Publication Date: 2006-11-23
KONICA MINOLTA MEDICAL & GRAPHICS INC
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Benefits of technology
The cassette structure effectively minimizes stress on the needle imaging plate, preventing breakage and image defects by absorbing external forces and maintaining image quality, even during repeated use and handling, while ensuring accurate positioning and stable image reading.
Problems solved by technology
Further, in the cassette of the following Patent Document 2, there is an description that a non-woven fabric as the cushioning material is pasted on the plate section opposite to the image recording layer of the radiation image recording medium, and because the non-woven fabric is not frayed, there is no case where it becomes a dust and an image defect is caused, however, in practice, there is a possibility that, when the recording medium is inserted into the cassette, the non-woven fabric is cut by an edge of the recording medium and dusts are generated, and there is a problem that, depending on the repeated use, dusts are generated, and the image defects are produced.
Further, even when the cassette is put on a comparatively rigid table, there is a case where the front plate is deflected by the load of the patient applied on the front plate, and an external force is given to the recording medium surface in the cassette, and it is an important problem for the recording medium formed of the needle imaging plate by the deposition method as described above.
Method used
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[0034]FIG. 1 is a perspective view showing a condition that the front member (A) and the back member (B) of the cassette for the radiation image photographing are separated;
[0035] FIGS. 2(A) and 2(B) are sectional views schematically showing the cross section of a cassette into which the front member and the back member of FIG. 1 are integrated, FIGS. 2(C) and 2(D) are sectional views schematically showing the cross section of a cassette having a cushioning member in a plane shape;
[0036]FIG. 3 is an inner surface view (A) of the back member for explaining a lock mechanism of the cassette of FIG. 1, and a side view (B) showing a main part cross section;
[0037]FIG. 4 is a sectional view of the cassette showing each of conditions (A) to (H) of the lock mechanism of FIG. 3;
[0038]FIG. 5 is a schematic sectional view (A) of an accumulative phosphor sheet accommodated in the cassette for the radiation image photographing of FIG. 1, and an enlarged sectional view (B) in the vicinity of t...
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A cassette to record a radiation image of an object to be radiographed, is provided with a sheet-shaped recording medium including a layer of needle imaging plate having a thickness of 20 μm to 2 mm, wherein the needle imaging plate are formed by a deposition method; a front member through which the recording medium receives the radiation image of the object; and a back member positioned opposite to the front member; wherein the front and back members are relatively attached to each other so as to form an accommodation space in which the sheet-shaped recording medium is accommodated or detached from each other and the attaching or detaching direction of the front and back members is substantially the same direction with a growing direction of the needle imaging plate.
Description
CROSS-REFERENCE TO RELATED APPLICATION [0001] This application is a Continuation Application under 35 USC 120 of U.S. application Ser. No. 10 / 952,461 filed Sep. 28, 2004.BACKGROUND OF THE INVENTION [0002] The present invention relates to a cassette reading processing device by which the reading processing of the image information is conducted on a cassette in which an accumulative phosphor appropriate for the radiation photography is accommodated, a cassette reading processing method and a cassette. [0003] Conventionally, a cassette in which a radiation image photography is conducted on the cassette in which the accumulative phosphor is accommodated, and from the accumulative phosphor after the photographing, the radiation image is read, is used for the medical care (refer to the following Patent Documents 1 to 6). In such a conventional cassette, as the accumulative phosphor, for example, powder imaging plate BaFI phosphor is used. [0004] As a cassette structure using the powder im...
Claims
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IPC IPC(8): H05B33/00G01T1/29G03B42/00G03B42/04G03B42/08
CPCG03B42/04G03B42/02
InventorANDOU, MASAKAZUUMEKI, MAMORU
OwnerKONICA MINOLTA MEDICAL & GRAPHICS INC