JPH10246923A - Radiation image information read-out and recording device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the manufacturing cost in a radiation image information read-out and recording device. SOLUTION: This device adopting a line light source 21 as the light source for stimulating light for stimulating a stimulable phosphor sheet 10, is provided with an optical fiber bundle 22, a stimulating light separation filter 23, an image formation lens 24 and a CCD(charge coupled device) 25 opposedly to the surface on the side opposite to the light source 21 of the stimulable phosphor sheet 10 emitting the light along the line light source 21, and detects the image information in the extension direction of the line light source 21 by slenderly dividing for every picture element. In this way, the need of a scanning optical system such as a rotary polygon mirror or fθ lens is eliminated, which is conventionally required for performing the main scanning of a laser beam.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a radiation image information reading and recording apparatus, and more particularly to an improvement in an image reading section for reading radiation image information recorded on a stimulable phosphor sheet.

[0002]

2. Description of the Related Art When radiation is irradiated, a part of this radiation energy is accumulated, and thereafter, when irradiated with excitation light such as visible light or laser light, a stimulable phosphor that emits stimulated light in accordance with the accumulated radiation energy. (Photostimulable phosphor) is used to temporarily accumulate and record radiation image information of a subject such as a human body on a sheet-shaped stimulable phosphor sheet formed by laminating a stimulable phosphor on a support. Excitation light such as laser light is scanned for each pixel to generate stimulable luminescence light from each pixel, and the obtained stimulus luminescence light is photoelectrically sequentially read to obtain an image signal. A radiation image recording / reproducing system which emits erasing light to a stimulable phosphor sheet to emit radiation energy remaining on the sheet is already well known and put to practical use.

An image signal obtained by this system is subjected to image processing such as gradation processing and frequency processing suitable for observation and interpretation, and the image signal after this processing is applied to a film as a diagnostic visible image. Or displayed on a high-definition CRT and used for diagnosis by a doctor or the like. On the other hand, the stimulable phosphor sheet from which the residual radiation energy irradiated with the erasing light has been released can again store and record radiation image information, and can be used repeatedly.

[0004]

However, in the radiation image information reading apparatus used in the radiation image recording / reproducing system described above, high-quality laser light is used as excitation light and photoelectrically stimulated emission light is detected. An expensive photomultiplier (photomultiplier tube) is used, and a laser light scanning system and a condensing optical system for detecting photostimulated light emitted from the stimulable phosphor sheet as a signal for each pixel. It must be provided, and the whole device is quite expensive. And this high price is one of the obstacles to the spread of this system in the latter half.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an inexpensive radiation image information reading / recording apparatus in which manufacturing costs are reduced by using inexpensive parts.

[0006]

In the radiation image information reading and recording apparatus of the present invention, the light source of the excitation light for exciting the stimulable phosphor sheet is a line light source and is emitted from the sheet (the front and / or back surface of the sheet). The linear stimulated emission light is divided into pixels by a pixel-separated photoelectric reading unit and detected.

That is, a radiation image information reading and recording apparatus according to the present invention comprises a line light source for linearly irradiating a part of a stimulable phosphor sheet on which radiation image information is stored and recorded with excitation light, and the excitation light of the sheet. Irradiates the stimulated emission light according to the radiation image information emitted from the irradiated portion and / or the back side of the sheet corresponding to this portion in the length direction of the irradiated portion into pixels, and Pixel-separated photoelectric reading means for photoelectrically reading a plurality of pixels obtained by the above-described two-dimensional array, and the line light source and the pixel-divided photoelectric reading means and the sheet are relatively orthogonal to the length direction. An image reading unit having scanning means for moving in a direction in which the image processing unit performs a signal processing on an image signal representing the photostimulated luminescence light, It is characterized in that an image output unit that outputs to the recording medium a visible image represented by the image signal based on the image signal after the.

Here, the above-mentioned pixel division means that the substantially linear stimulating light is divided into minute sizes corresponding to the pixels, and is not intended to divide the pixels.

The surface of the sheet detected by the pixel-division photoelectric reading device may be either the front surface or the back surface of the sheet as described above, or may be detected substantially simultaneously from both surfaces. In order for the means to eliminate crosstalk light due to stimulated emission light emitted from an adjacent pixel as much as possible, it is necessary to bring the sheet as close to the sheet as possible without interfering with the light source. It is preferable to detect from the surface (back surface) opposite to the surface on the irradiation side.

It is preferable that the surface on which the stimulating light is read by the pixel-division photoelectric reading means is the surface on which radiation is incident when a radiation image is taken on a sheet. This is because the transmitted radiation carrying the radiation transmission image information of the subject is scattered inside the sheet, and the signal is blurred when read from the side from which the radiation is emitted.

To read photoelectrically in a two-dimensional array means to read two-dimensionally and photoelectrically. Therefore, the photostimulated light emitted linearly, which is arranged in the length direction, that is, one-dimensionally divided into pixels, is defined as 2
They are arranged in a dimensional manner and read photoelectrically.

The pixel-division photoelectric reading means includes:
A photoelectric conversion unit in which a large number of photoelectric conversion elements are two-dimensionally arranged, and each of the incident end faces faces the portion of the sheet where the stimulated emission light is emitted (the front surface and / or the back surface of the sheet) and the line. An optical fiber bundle composed of a large number of optical fibers arranged arbitrarily so as to be arranged in the length direction of the irradiation part, and each emission end face is arbitrarily arranged so as to face the photoelectric conversion element different from each other, A reference table in which the correspondence between the optical fiber and each of the photoelectric conversion elements is set in advance, and each electric signal detected by each of the photoelectric conversion elements, based on the correspondence set in the reference table, at the incident end face. A configuration constituted by reconfiguration means for reconfiguring an arrangement according to the arrangement of the optical fibers can be applied.

Further, it is preferable that the recording medium is a dry film printer and the image output unit is a dry film printer. For example, a thermal recording material as a dry film and a thermal printer with a thermal head device as a dry film printer can be applied.

Further, the image output section may be arranged above the image reading section.

[0015]

According to the radiation image information reading and recording apparatus of the present invention, the light source of the excitation light for exciting the stimulable phosphor sheet is a line light source, and the stimulated emission light emitted along the line light source is used as the light source. By providing pixel-division photoelectric reading means for dividing and detecting pixels from the same surface and / or the surface opposite to the light source, image information in the extending direction of the line light source is detected corresponding to pixels. In addition, a scanning optical system such as a rotating polygon mirror or an fθ lens, which is necessary for main scanning with a laser beam, is not required, and an inexpensive and compact radiation image information reading apparatus can be provided. Further, since the pixel-division photoelectric reading unit is used, an inexpensive linear light source can be used as the excitation light source. In other words, in the past, pixel-by-pixel reading was performed by time-division reading according to the timing of scanning with laser light. However, in the present invention, it is not necessary to use an expensive device such as a laser light source, and the light source itself can be manufactured at low cost. You can also.

Here, the pixel-divided photoelectric reading means is composed of a photoelectric conversion means in which a large number of photoelectric conversion elements are arranged two-dimensionally, and each incident end face facing a portion of the sheet where stimulated emission light is emitted. An optical fiber bundle consisting of a number of optical fibers arranged arbitrarily in the length direction of the linear irradiation portion, and each emission end face arbitrarily arranged so as to face a different photoelectric conversion element, and each optical fiber at the incidence end face And a reference table in which the correspondence between each photoelectric conversion element is set in advance, and each electric signal detected by each photoelectric conversion element, based on the correspondence set in the reference table, according to the arrangement of the optical fibers at the incident end face. In the case where the apparatus is provided with the reconstructing means for reconfiguring the arrangement, the incident end face of each optical fiber, that is, the end face facing the sheet is connected to the line light source. Although the light-emitting end faces are not necessarily arranged in the same order as the light-receiving end face, they are not necessarily arranged in a line in a line along the existing direction. They may be arranged.

Therefore, there is no need to use expensive line-shaped photoelectric conversion means due to the difficulty in manufacturing.

Therefore, it is appropriate to use a general-purpose product in which photoelectric conversion elements are two-dimensionally arranged as photoelectric conversion means. C in which such photoelectric conversion elements are two-dimensionally arranged
Photoelectric conversion means such as a CD (charge-coupled device) are generally inexpensive because of easy manufacture, and are easily available. Then, as described above, the linear stimulating light emitted from the sheet can be easily guided to the two-dimensional surface of the photoelectric conversion means by using the optical fiber bundle.

In this case, it is not necessary to know in advance the positional relationship of the individual optical fibers in the entire fiber bundle between the input end face and the output end face by using the optical fiber bundle alone. It can be very inexpensive as compared with a fiber bundle used for an endoscope.

That is, in a set state in which the optical fiber bundle and the photoelectric conversion means are combined, the correspondence between the position of each fiber on the incident end face of the optical fiber bundle and each photoelectric conversion element constituting the photoelectric conversion means is determined. Is set in advance as a reference table, and by referring to this reference table after acquiring the image data, this data is digitally rearranged in accordance with the arrangement order on the incident end face of the optical fiber, whereby the data is arranged in the original linear shape. The data according to the order of the optical fibers can be obtained.

Here, the correspondence between the position of each fiber on the incident end face of the above-mentioned optical fiber bundle and each photoelectric conversion element constituting the photoelectric conversion means is such that light of a minute spot (about the diameter of the optical fiber) such as laser light is emitted. In this case, scanning may be performed along the incident end face of the optical fiber bundle in which a plurality of optical fibers are arranged in a line, and the value may be obtained based on a time-series photoelectric detection result by each photoelectric conversion element constituting the photoelectric conversion means at this time.

Since the medical endoscope views the image incident on the incident end face of the fiber bundle as an image in an analog state on the exit end face, the optical fiber bundle alone can be used.
It is necessary to make the positional relationship between the entrance end face and the exit end face of each of a large number of fibers constituting the fiber bundle coincide with each other, and the manufacturing cost is high.

The image recorded on the stimulable phosphor sheet is generally represented by image data of about 2000 pixels in the horizontal (main scanning direction) × 2000 pixels in the vertical (sub scanning direction). Here, in the conventional radiation image information reading apparatus, a line light source is arranged along the main scanning direction, and 2,000 optical fibers corresponding to 2,000 pixels are arranged along this direction such that the incident ends thereof are arranged in one line. In this case, 2,000 optical fibers are bundled so that the emission end face expands in two dimensions, such as a substantially rectangular shape or a substantially circular shape, and this is photoelectrically detected by a general-purpose CCD of 250,000 to 400,000 pixels. Then, one fiber (one pixel of the stimulable phosphor sheet) corresponds to the CC
Since the number of pixels of D is 125 to 200 pixels, and there is a margin for the number of pixels on the CCD side, the resolution of the obtained image can be improved by increasing the number of optical fibers.

The recording medium may be a dry film,
In the case of a configuration using a dry film printer as the image output unit, the conventional steps of exposure, development, fixing, and drying can be greatly reduced, and handling can be simplified.

Further, in the configuration in which the image output section is arranged above the image reading section, the image reading section and the output section are arranged vertically, so that the occupied floor area of the entire apparatus is reduced. be able to. This is particularly effective when the image output unit is a dry printer unit. That is, in the configuration in which the image output unit to which the conventional wet-type printer is applied is disposed above the image reading unit, liquid materials such as a developer and a fixing solution do not leak to the lower precise image reading unit by any chance. It is necessary to strictly take measures against liquid leakage as described above, but if a dry printer is applied, there is no need to consider such liquid leakage, so there is no need for cost for liquid leakage measures, and a lower Priced equipment can be provided.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the radiation image information reading and recording apparatus of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of the radiation image information reading and recording apparatus of the present invention, and FIG. 2 is a diagram showing a detailed configuration of an image reading section 20 of the radiation image information reading and recording apparatus 100 shown in FIG. It is.

The illustrated radiation image information reading and recording apparatus 100
Means that a stimulable phosphor sheet (hereinafter, referred to as IP) 10 on which radiation image information is accumulated is recorded by two transport belts 28a, 28
b, an image reading unit 20 that reads an image signal corresponding to the radiation image information while being transported in the direction of the arrow X while being placed on the image reading unit 20, and performing gradation processing on the image signal S obtained by reading by the image reading unit 20 Image processing unit that performs signal processing such as frequency processing
50, an image output unit 60 for outputting a visible image P 'represented by the image signal S' to the dry film 61 based on the image signal S 'after signal processing, and displaying the visible image P' A CRT monitor 70 for displaying on the surface and an IP10 housed inside the cassette 11 attached to the main body are attracted to the cassette 11
A transport unit 40 that transports the IP 10 to the image reading unit 20 and the IP tray 30, including a suction unit 41 that draws the IP 10 into the main body 90, and a power supply 80.

Here, the power supply 80 and the image processing unit 50 are arranged at the lowermost stage, the image reading unit 20 is arranged above the power supply 80, and the image output unit 60 is arranged above the same. When the apparatus is operated while standing, the dry film 61 on which the visible image is recorded is discharged to a height position where the operator can easily see it.

As shown in FIG. 2, the image reading section 20 extends in a direction substantially perpendicular to the transport direction X of the IP10 by the transport belts 28a and 28b, and emits stimulating luminescent light according to the radiation image information stored and recorded in the IP10. A line light source 21 for irradiating the IP 10 with excitation light for generating IP, and a large number of photoelectric conversion elements (about 40
A CCD 25 in which 10,000 pixels = 632 vertical pixels × 632 horizontal pixels) are two-dimensionally arranged, and each incident end face 22a has an IP10 corresponding to a portion of the IP10 irradiated with excitation light from the line light source 21.
Are arranged in a line along the direction in which the line light source 21 extends, and each emission end face 22 b
Many optical fibers bundled so as to spread in a three-dimensional plane
An optical fiber bundle 22 composed of 22i and each optical fiber 22i
Excitation light cut filter provided on each emission end face 22b
23, on the optical path of the light emitted from the emission end face 22b of each optical fiber 22i, and provided between the excitation light cut filter 23 and the CCD 25, the emitted light from each optical fiber 22i An imaging lens 24 for forming an image on each conversion element, a reference table 26 in which the correspondence between each optical fiber 22i and each photoelectric conversion element at the incident end face is set in advance, and each signal S detected by each photoelectric conversion element This is a configuration including a reconfiguration unit 27 that reconfigures the optical fiber 22i in an array corresponding to the array of the optical fibers 22i on the incident end face based on the correspondence set in the reference table 26.

Here, the line light source 21 has a configuration in which a fluorescent lamp 21a is provided inside a cylindrical reflecting mirror 21b having a slit 21c along a direction parallel to the central axis on a part of the peripheral surface thereof. The light that has passed through the slit 21c is converted into linear light to irradiate IP10. Note that, in order to improve the degree of condensing light emitted from the slit 21c,
A cylindrical lens having no power in the direction in which c extends may be provided along the slit 21c.

The excitation light cut filter 23 is designed to cut the excitation light L emitted from the line light source 21 while transmitting the stimulated emission light excited and emitted by the excitation light L. It is.

The optical fiber bundle 22 is composed of, for example, 2000 optical fibers 22i, and each optical fiber 22i has a diameter.
As described above, the incident end faces of the 2000 optical fibers 22i are arranged in a line in parallel with the extending direction of the line light source 21 (see FIG. 3).
(Refer to (1)), but the exit end face is (1) or (2) in FIG.
This is a configuration that is randomly bundled as shown in FIG. In addition,
The distance between the incident end face of the fiber bundle 22 and the back surface of the IP10 is set to, for example, 0.045 mm, and the output end face is, for example, as shown in FIG. The light from each optical fiber 22i is bundled so that the light from each optical fiber 22i is incident on the surface substantially uniformly. The numerical aperture (NA) of the imaging lens 24 is 0.6, the focal length (f) is 20 mm, and the aperture ratio of the CCD 25 is 50%.
E is 60%, and the interval on the optical axis between the excitation light cut filter 23 and the imaging lens 24 and the interval on the optical axis between the imaging lens 24 and the CCD 25 are both set to 40 mm. However, these numerical values merely show a desirable example capable of concentrating the stimulated emission light with high efficiency, and the device of the present invention is not limited to those embodiments.

As shown in FIG. 2, in the present embodiment, the line light source 21 and the optical fiber 22 are arranged on different sides with the IP 10 interposed therebetween. The stimulated emission light is efficiently incident on the optical fiber, and IP
This is because it is necessary to make the incident end face of the optical fiber 22 extremely close to in order to prevent crosstalk of the stimulated emission light. Therefore, if the light collection efficiency does not deteriorate or if crosstalk can be effectively prevented, the optical fiber 22
Etc. may be arranged on the same side as the line light source 21. Further, these may be separately arranged on each side of the IP 10 to perform double-side reading.

The outgoing ends of the 2000 optical fibers 22i
The 400,000 pixels of the CCD 25 correspond to those shown in FIG.

The dry printer 60 performs thermal recording on a thermal material of a so-called cut sheet as a dry film 61, and adsorbs a large number of dry films 61 housed in a removable magazine 62 one by one. Printer
A transporting means 64 including a sheet-feeding means 63 to be carried into the inside 60; and a thermal head device for performing thermal recording on the transported film 61
In more detail, the thermal head device 65 is a thermal head body which is a substrate on which a glaze is formed, which is a portion for recording a heat-sensitive surface image on a heat-sensitive material. Is omitted), a heat sink as cooling means directly fixed to the thermal head main body, a cooling fan constituting a cooling means together with the heat sink, a planar heater for heating the thermal head main body, and driving of the cooling fan and the planar heater. It comprises control means for controlling.

Next, the operation of the radiation image information reading / recording apparatus of this embodiment will be described.

When the IP tray 30 is mounted on the tray mounting opening 92 of the main body, and the cassette 11 containing the IP 10 in which the radiation image information of the patient is stored is mounted on the cassette mounting opening 91, the lid of the cassette 11 is opened. As shown in FIG. 1B, the suction unit 41 is opened, and the suction unit 41 sucks the IP10 housed in the cassette 11 having the opened lid and draws the IP10 into the main body 90.
The extracted IP10 is transferred to the image reading unit by the transport means 40.
It is carried into 20.

The image reading section 20 places the IP10 on the two transport belts 28a and 28b and transports the IP10 in the direction of the arrow X. During this time, the surface of the IP 10 (the upper surface in the figure) is irradiated with excitation light linearly from the line light source 21. The linear portion of the IP10 that has been irradiated with the excitation light emits stimulated emission light that emits at a light amount corresponding to the radiation image information stored and recorded in the portion.

The stimulated emission light is generated not only on the front side of IP10 but also on the back side. The stimulated emission light generated on the back side is divided into optical fibers 22i constituting the optical fiber bundle 22 provided in close proximity to the corresponding back surface of each IP 10 for each minute portion of the emitted light.
The light is guided from the respective incident end faces 22a into the respective optical fibers 22i. As a result, the linear stimulating light emitted by irradiating the linear excitation light from the line light source 21 becomes an optical fiber.
It is divided as a small optical signal corresponding to 2000 pixels which is the number of 22i.

The stimulated emission light of each pixel guided to the emission end face 22b by repeating total reflection inside each optical fiber 22i is emitted from each emission end face 22b.
The excitation light cut filter 23 provided also removes the excitation light component even when excitation light is mixed in the light guided through each optical fiber 22i.

The light passing through the excitation light cut filter 23 slightly spreads, but is imaged on the light detection surface of the CCD 25 by the imaging lens 24. At this time, the image formation state on the light detection surface (photoelectric conversion element surface) of the CCD 25 is based on the optical fiber bundle.
When the exit end faces of the 22 are bundled as shown in FIG. 3A, for example, the arrangement is as shown in FIG.

Since the optical fiber bundle 22 is randomly bundled on the exit end face side, it is not known where one fiber designated on the exit end face side is located on the incident end face side. Therefore, it is necessary to associate the incident end face side and the output end face side of the optical fiber bundle 22 in advance. Therefore, in the apparatus of the present embodiment, the light is incident on the incident end face 22a of each fiber 22i while the optical fiber 22i is sequentially replaced, and it is determined from which output end face each light is emitted based on the detection signal of the CCD 25. Often, the result of this correspondence is tabulated as a reference table 26. Then, when the image is read later, the detection signal corresponding to each photoelectric conversion element of the CCD 25 corresponds to the arrangement order of the fibers 22i in the single incident optical fiber bundle 22 while the reconstructing means 27 refers to this table 26. And rearrange them.

Thus, an image signal S 'corresponding to the spatial position of the sheet 10 can be obtained, and the obtained image signal S' is input to the image processing section 50.

The image processing section 50 performs various kinds of signal processing on the input image signal S '. The image signal S ″ after the signal processing is output to the image output unit 60 and the CRT monitor.
Output to 70.

On the other hand, the IP 10 after the image signal is read by the image reading section 20 is conveyed by the conveying means 40 and stored in the IP tray 30. The image reading unit 20 and the IP tray 30
In order to make the radiation energy remaining in the IP10 after reading the image signal almost completely be emitted during the transport route between
A configuration in which an erasing section that emits erasing light is provided may be employed.

Since the IP tray 30 can store a plurality of IP10s, the IP tray 30 is kept mounted on the apparatus 100 until a predetermined number of IP10s are stored after image reading is completed. After being removed from the device 100 and the stored IP10 is discharged, the device 100
Attached to.

The CRT monitor 70 displays, on its display surface, a visible image corresponding to the image signal S ″ after the signal processing input from the image processing section 50, and the operator observes this display, and The necessity of correcting the degree of processing or changing the range designation is determined.

In the image output section 60, the sheet feeding means 63 sucks a large number of dry films 61 accommodated in the magazine 62 one by one and carries them into the printer 60. The thermal head device 65 conveys the dry film 61 to the transported dry film 61 based on the image signal S ″ input from the image processing unit 50, according to the image signal S ″. Thermally record the image. More specifically, in the thermal recording, the control unit controls the driving of the cooling fan and the planar heater to adjust the temperature of the thermal head main body, whereby a gradation image is recorded.

The dry film 61 on which the visible image is recorded is output from the film outlet 93 to the outside of the apparatus 100. Note that the position of the film discharge port 93 is a height position at which the dry film 61 on which the visible image is recorded is easily visible to the operator when the operator operates the apparatus while standing. For example, it is possible to prevent the user from forgetting to take the film.

As described above, according to the radiation image information reading and recording apparatus of the present embodiment, the image signal is converted to each pixel without using expensive components such as the conventional laser light source, laser scanning system, and photomultiplier. Since the signal can be separated into signals, the manufacturing cost can be greatly reduced as compared with the conventional device, whereby the price of the device can be reduced and the device can be spread.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of a radiation image information reading and recording apparatus of the present invention.

FIG. 2 is a radiation image information reading and recording apparatus 100 shown in FIG.
The figure which shows the detailed structure of the image reading part 20 of FIG.

FIG. 3 is a schematic view showing an arrangement state of an optical fiber bundle at an incident end face and an output end face.

FIG. 4 is a diagram showing a relationship between an emission end face of an optical fiber bundle and a photoelectric conversion element of a CCD 25;

[Explanation of symbols]

 10 Storage phosphor sheet 20 Image reading section 21 Line light source 22 Optical fiber bundle 22a Incident end face 22b Emitting end face 23 Excitation light cut filter 24 Imaging lens 25 CCD 28a, 28b Transport belt

Claims (4)

[Claims] 1. A line light source for irradiating a part of a stimulable phosphor sheet on which radiation image information is accumulated and recorded with excitation light in a linear manner, a portion of the sheet irradiated with the excitation light and / or the irradiation. The stimulated emission light corresponding to the radiation image information emitted from the back surface portion of the irradiated portion is divided into pixels in the length direction of the irradiated portion, and a plurality of pixels obtained by the pixel division are two-dimensionally divided. An image having pixel-separated photoelectric reading means for photoelectrically reading in an array, and scanning means for relatively moving the line light source, the pixel-separated photoelectric reading means, and the sheet in a direction substantially perpendicular to the length direction; A reading unit, an image processing unit that performs signal processing on an image signal representing the photostimulated luminescence light that has been photoelectrically detected, and an image signal represented by the image signal based on the image signal after the signal processing is performed. Visible Radiation image information reading and recording apparatus characterized by comprising an image output unit that outputs to the recording medium. 2. The photoelectric conversion device according to claim 1, wherein the photoelectric conversion unit includes a plurality of photoelectric conversion elements arranged two-dimensionally, and each incident end face faces a portion of the sheet where the photostimulated light is emitted. An optical fiber bundle comprising a large number of optical fibers arranged so as to be arranged in the length direction of the linear irradiation portion and each emission end face arbitrarily arranged so as to face the photoelectric conversion element different from each other, A reference table in which the correspondence between each optical fiber and each of the photoelectric conversion elements on the incident end face is set in advance, and each electric signal detected by each of the photoelectric conversion elements, based on the correspondence set in the reference table, 2. The radiation image according to claim 1, further comprising: reconstructing means for reconfiguring an arrangement according to an arrangement of the optical fibers on the incident end face. Information reading and recording apparatus. 3. The recording medium is a dry film,
3. The radiation image information reading and recording apparatus according to claim 1, wherein the image output unit is a dry film printer. 4. The radiation image information reading and recording apparatus according to claim 1, wherein the image output unit is disposed above the image reading unit.