JPH06332999A - Film picture reader and read photograph report input device - Google Patents

Abstract

PURPOSE:To easily link between picture information and patient information. CONSTITUTION:A film picture reader 1 consists of a reader control part 2 and a picture read part 3, and they are connected by an SCSI bus 4. The film picture reader is connected to a medical information network through an Ethernet 5. The reader control part 2 receives a request message from the medical information network and displays it in a list. A photographer reads the picture photographed in accordance with it by the picture read part 3 and outputs the picture to the medical information network as a digital picture.

Description

Detailed Description of the Invention

[0001]

The present invention relates to HIS (Hospital Inf.
The present invention relates to a film image reading device and an image interpretation report input device which are used by being connected to an ormation system (hospital information system) via a network.

[0002]

2. Description of the Related Art A film image reading apparatus for reading a film on which a medical image such as a radiation film is recorded is known. Optically, there are one that uses a laser optical system and one that uses a line light source and a line sensor such as a CCD. In both cases, transmitted light is digitized by an A / D converter, and a half-cut size (14 inches x 14 inches x An image is read by converting a 17-inch film into a digital image with about 2000 × 2500 pixels and about 8 to 12 bits per pixel.

In recent years, there has been a trend to popularize HIS and make information on the entire hospital accessible online.
Digital modalities such as CT and MRI are relatively easy to deal with online. However, the X-ray film images were managed as they were, but HIS
In view of access from the digital camera and digital filing, it is necessary to manage as a digital image using a film image reading device. At this time, when reading the image, a method of associating the read image with the patient becomes a problem.

Several methods have been proposed in this regard, and three typical methods are listed below. The first method is that the operator newly inputs the patient ID and the number of input sheets into the film image reading apparatus at the start of reading the film image.

In the second method, a bar code corresponding to patient information including a patient ID is printed in advance, the bar code is attached to the film before inputting to the film image reading apparatus, and this bar code is simultaneously displayed with the image. It is possible to read and obtain patient information on the network using this bar code as a key to link image information and patient information.

The third method is a method in which the characters written on the card when the film is developed are pre-printed on the film, the characters are read by a character recognition device or the like, and the data is linked to the image.

[0007]

However, in the first method of the conventional example, it is possible to avoid the erroneous input by inputting the date of the patient in addition to the patient ID and making the input items plural. However, there is a drawback that it takes time and effort.

In the second method, the accuracy of reading the bar code is very high, but the work of printing or pasting the bar code is a problem, and the cost of the film image reading apparatus itself is increased. Connect

In the third method, although the accuracy of character recognition has been improved recently, there is a problem that it is still not 100% reliable.

Further, since the size of the film used for photographing is generally unknown at the time of requesting photographing, the price of the film cannot be calculated automatically.

It is an object of the present invention to provide a film image reading device and an image interpretation report input device which can easily link image information and patient information.

[0012]

A film image reading apparatus according to the present invention for achieving the above object relates to film image reading from the hospital information system in the film image reading apparatus network-connected to the hospital information system. Means for receiving a request message consisting of a patient ID and the number of images to be imaged, list display means for displaying at least one of the patient ID and the number of images to be imaged, and selection means for selecting at least one patient ID from the list display means It is characterized by having.

Further, the image interpretation report input device according to the present invention, in the image interpretation report input device network-connected to the hospital information system, receives from the hospital information system a request message consisting of a patient ID relating to film image photographing and the number of photographed images. It is characterized by comprising: a receiving means, a list display means for displaying a list of at least one of the patient ID and the number of images, and a selection means for selecting one from the list display means.

[0014]

The film image reading device and the image interpretation report input device having the above-described configuration are connected to the HIS via the network.
A request message including a patient ID and the number of images to be imaged is received from the user, at least one of the patient ID and the number of images to be imaged is displayed in a list on the display unit, and the photographer selects at least one piece of patient information from the list. Read.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail based on the embodiments shown in FIGS. FIG. 1 is a block diagram of the first embodiment. The film image reading device 1 is composed of a reading device control unit 2 and an image reading unit 3, and the reading device control unit 2 and the image reading unit 3 are connected by a SCSI bus 4. Has been done. Further, the film image reading apparatus 1 is connected to the HIS network via the Ethernet 5.

FIG. 2 is a detailed configuration diagram of the reading device control unit 2. The reading device control unit 2 includes a CPU 6, a main storage device 7, a SCSI interface 8, a LAN interface 9, a display device interface 10 and an input. A computer having a device interface 11, and these devices and interfaces are connected to each other by a system bus 12. Also, the SCSI interface 8 has SC
The image reading unit 3 and the magnetic disk device 13 are connected via the SI bus 4, and the LAN interface 9 is connected to the HIS network via the Ethernet 5.
Further, a display device 14 such as a CRT display or a liquid crystal display is connected to the display device interface 10,
A keyboard and an input device 15 including a mouse or a trackball are connected to the input device interface 11.

FIG. 3 is a detailed configuration diagram of the image reading unit 3, in which a film F and an optical system 2 are provided on the optical path of the line light source 21.
2. The CCD line sensor 23 is sequentially arranged.
The output of the CCD line sensor 23 is the AD converter 24.
The output of the preprocessing circuit 25 is directly connected to the image memory control circuit 28 via the two-dimensional DCT conversion circuit 26 and the quantization circuit 27. An image memory 29 and a CPU 30 are connected to the image memory control circuit 28. CPU3
0 has a program ROM 31 and a program RAM 32, the output of which is S via the SCSI interface 33.
It is connected to the CSI bus 4 and also to the mechanism control circuit 34. The mechanism control circuit 34 drives the mechanism system 35 that drives the line light source 21 and conveys the film F.

FIG. 4 is a block diagram of the HIS network which is the use environment of this embodiment. The Ethernet 5 for transmitting information between terminals is provided with a foreign registration terminal 42, a HIS central control unit 43, a CT provided in the foreign reception 41.
And CT and MRI provided in the MRI imaging room 44
The device 45, the data storage device 46, the imaging request input graphic terminal 48 provided in the medical department 47, the imaging request confirmation terminal 50 and the image reading device 1 provided in the X-ray imaging room 49, the image reading room 51. A diagnostic report input graphic terminal 52 provided therein is connected. Also,
An X-ray imaging device 53 is installed in the X-ray imaging room 49 independently of the network.

When an outpatient visits a hospital, the person in charge at the outpatient reception 41 first accepts the outpatient,
Using the outpatient registration terminal 42, an outpatient reception message is transmitted to the clinical department 47 such as internal medicine, surgery, and obstetrics. Next, the person in charge of the outpatient department 41 instructs the outpatients to wait for their turn in each department 47, and in the department 47, the doctor examines the outpatients according to this order, and CT and M
The CT modality of the CT in the RI radiographing room 44 and the CT or MRI image radiographed by the MRI apparatus 45 or the X-ray image radiographed by the X-ray radiographing apparatus 53 of the X-ray image radiographing room 49 is clarified to perform radiography Request input graphic terminal 48
Using the, the HIS central control unit 43 is requested to image the required image and its part.

At this time, when the image capturing request is, for example, X-ray image capturing, the HIS central control unit 43 instructs the image capturing request confirmation terminal 50 and the film image reading device 1 as shown in FIG. Outputs a film image shooting request message. This film image photographing request message is displayed as it is on the photographing request confirmation terminal 50 as shown in FIG. 5, and is received by the film image reading apparatus 1 via the LAN interface 9 and then interpreted by the CPU 6, An X-ray radiographing request display including the patient ID and the number of radiographs as shown in (4) is displayed on the display device 14.

Next, the doctor of the department 47 instructs the outpatient to go to the X-ray imaging room 49, and the X-ray imaging room 4
The radiographing technician 9 waits for the arrival of the outpatient, and photographs and develops the region displayed on the radiographing request confirmation terminal 50 by the X-ray radiographing device 53. At this time, the size of the film F to be photographed is left to the discretion of the photographer.

When the photographing and development are completed, the radiographing technician selects the corresponding patient name from the list of the X-ray radiographing request display displayed on the display device 14 and mounts the film F on the film image reading apparatus 1. It is possible to process a plurality of patients at the same time, but in this case, it is necessary to read the images of the patients above the list first.

When the reading of the film F is started in the film image reading apparatus 1, the light flux emitted by the line light source 21 is modulated by the film F according to its density distribution and transmitted therethrough, and reduced by the optical system 22. Later CCD
It is incident on the line sensor 23 and detected. The analog data detected in this way is synchronized with the pixel position by A
After being converted into 8-bit to 12-bit digital data by the D converter 24, an offset correction, a gain correction, a logarithmic conversion, a filtering process are performed by the preprocessing circuit 25.
And film area detection is performed.

This filtering processing includes a reduction function and band filtering. If the pixel collection pitch is 80 μm for both main scanning and sub scanning,
The total number of pixels in a half-size film is 4096 × 5
There are 120 pixels, and 20 MB is required to store this data with 8 bits for each pixel. Saving in this way is effective for diagnosis, but it imposes a heavy burden on filing, and when managing images with HIS, image information is generally significant as a reference image, and the accuracy as described above is Since it is not usually necessary, by using the reduction function, for example, 4096
The data of × 5120 pixels can be set to about 1024 × 1280 pixels. The ratio of reduction is
The one specified in advance by the film image reading apparatus 1 is used.

The film area detection is offset correction,
As a result of gain correction and logarithmic conversion, it is determined that the place where the density value is smaller than the threshold value is the place where the film F does not exist,
By not counting such places, the amount of data in the file is reduced.

The data pre-processed in this way is converted into JP
The amount of data can be further reduced by performing band compression such as EG. In this case, the preprocessing circuit 25
The data output from the two-dimensional DCT conversion circuit 26,
The image data is band-compressed through the quantization circuit 27 and then written in the image memory 29 by the image memory control circuit 28.
Since the data amount is compressed to about 1/10 by performing the band compression, for example, an image of 8 bits with 1024 × 1280 pixels has a size of about 128 KB. As a result, HI
The amount of data can be sufficiently handled by S. It is also possible to directly output data from the preprocessing circuit 25 to the image memory 29 via the image memory control circuit 28 without performing band compression.

The image data in the image memory 29 is stored in the CPU 3
0 is output from the SCSI interface 33 to the reader control unit 2 via the SCSI bus 4 and the SCSI interface 8 and the CPU 6 calculates the size of the film F from the reduction ratio and the number of pixels. LAN interface 9, Ethernet 5
The data is transferred to and stored in the data storage device 46 via.

The CPU 30 has a program ROM 31.
The program input to the program is executed using the program RAM 32, and the mechanism system 35 is executed via the mechanism control circuit 34.
The film F is conveyed by driving.

In this way, when the reading of the series of films F for one patient is completed, the CPU 6 causes the LA
The film image photographing completion message and the film F are sent to the HIS central control unit 43 through the N interface 9.
Outputs a list of sizes. At this time, if the number of images actually read by the image reading unit 3 is different from the number of images initially designated by the HIS central control device 43, the HIS central control device 43 determines that the film image reading device An error message is output to 1, and the technician reads the image by the image reading unit 3 again according to this error message.

When all the necessary images have been taken and read, the radiologist in the image reading room 51 or the doctor in the clinical department 47 reads the film F to diagnose the disease. In addition, when inputting a diagnostic report, the reading room 51
When a radiological diagnosing doctor reads an image, the graphic terminal 52 for inputting a diagnostic report is used, and when a doctor in the clinical department 47 reads an image, a graphic terminal 48 for inputting an imaging request
Is used. Further, the diagnostic report input graphic terminal 52 and the imaging request input graphic terminal 48 display, for example, an X-ray interpretation status display as shown in FIG. 7, and the diagnostician selects a target patient from the list and interprets the image. I do.

Finally, the outpatient returns to the outpatient reception 41 to settle the medical expenses. At this time, the film cost included in the film photographing cost is obtained from the size of the film F calculated by the reading device control unit 2.

In this way, patient reception, medical examination, CT
And, MRI images or X-ray images can be taken, image interpretation reports, and medical expenses can be settled online through a series of networks. Further, when the number of captured images is different, an error message is output, so that erroneous input can be reduced.

[0033]

As described above, the film image reading device and the image interpretation report input device according to the present invention receive and transmit a message via a network, and perform imaging and image reading according to this message to obtain a patient ID. Since the film can be read without inputting such information, the operation can be facilitated, the image information and the patient information can be easily linked, and the information including the X-ray image can be accessed online.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a film image reading apparatus according to an embodiment.

FIG. 2 is a configuration diagram of a reading device control unit.

FIG. 3 is a configuration diagram of an image reading unit.

FIG. 4 is an explanatory diagram of a HIS network.

FIG. 5 is an explanatory diagram of a film image shooting request message.

FIG. 6 is an explanatory diagram of a display example of an X-ray imaging request.

FIG. 7 is an explanatory diagram of a display example of an X-ray image interpretation status.

[Explanation of symbols]

 1 film image reading device 2 reading device control unit 3 image reading unit 4 SCSI bus 5 Ethernet 6 CPU 49 X-ray image photographing room 50 photographing request confirmation terminal 53 X-ray photographing device

Claims (7)

[Claims] 1. A film image reading apparatus network-connected to a hospital information system, means for receiving from the hospital information system a request message comprising a patient ID relating to film image shooting and the number of shots, and the patient I.
A film image reading apparatus comprising: a list display means for displaying a list of at least one of D and the number of shots; and a selection means for selecting at least one patient ID from the list display means. 2. The film image reading according to claim 1, wherein a film image photographing completion message is output to the hospital information system when all the film reading operations for the patient ID have been completed normally. apparatus. 3. A means for displaying an error message when the number of read films and the number of images specified by the hospital information system are different when the reading operation for the patient ID is completed. The film image reading apparatus according to claim 1, further comprising means for outputting the error message to the hospital information system. 4. The film image reading apparatus according to claim 1, wherein a list of film sizes of images read for the patient ID is output to the hospital information system. 5. The film image reading apparatus according to claim 4, wherein the patient ID which has received the film image photographing completion message is displayed at the head of the list display means. 6. An image interpretation report input device network-connected to the hospital information system, receiving means for receiving from the hospital information system a request message comprising a patient ID relating to film image photographing and the number of photographed images, and the patient ID and the number of photographed images. An image interpretation report input device, comprising: a list display means for displaying at least one of the list display means and a selection means for selecting one from the list display means. 7. The image interpretation report input apparatus according to claim 6, wherein whether or not an image interpretation report has been input is displayed on the list display means.