JPH10113347A - Dental x-ray tomograph - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automate a series of works, and prevent an artificial mistake by eliminating complicated manual work, by connecting a reader to convert X-ray photographic data into digital data, an operation device to set a photographing orbit and a photographing device to take an X-ray photograph by rotating around a subject by using a communication means. SOLUTION: A reader 1 to convert X-ray photograph data into digital data, an operation device 2 which sets a photographing orbit and has an input device and a photographing device 3 to take an X-ray photograph by rotating around a subject, are provided, and these are connected to each other so that data communication can be performed by using a communication means. In the reader 1, after a taken X-ray photograph is read in by a photographing mechanism, image information is converted into digital data, and is transmitted to the operation device 2. In the operation device 2, an image on the basis of input data is displayed on a display device, and coordinates of a measuring point indicated through a cursor are calculated, and a numeric value necessary to set the photographing orbit is found from a result of its calculation, and is transmitted to the photographing device 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental X-ray tomography apparatus that performs imaging based on data obtained from X-ray photographs of cephalometric imaging and body axis imaging.

[0002]

2. Description of the Related Art In order to set an imaging trajectory in a conventional dental X-ray tomography apparatus, an X-ray photograph is actually measured on a photographic observation apparatus, and control data is obtained based on a value obtained by correcting and calculating the actual measurement value. Then, the obtained control data is input to an imaging device which rotates around the subject to perform X-ray imaging.

[0003]

The actual measurement of an X-ray photograph on a photograph observation apparatus, the calculation for correcting the enlargement ratio of the photograph, and the input of the calculation result as control data are complicated and time-consuming. Often it did.
If appropriate control data is not input as a result of an error, an appropriate X-ray tomographic image cannot be obtained,
When this operation is repeated again, there is a problem that it takes the same amount of time as the first time and also the amount of exposure received by the subject increases.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is to automate a manual operation in a series of operations. Then, by eliminating complicated manual operations, the probability of occurrence of an artificial error can be drastically reduced.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the apparatus according to the first aspect of the present invention, a reading device for converting X-ray photograph data into digital data, a computing device for setting a photographing trajectory, and an X-ray rotating around a subject are provided. An imaging device for imaging is configured to be able to communicate data using communication means.

According to a second aspect of the present invention, there is provided a reading device for converting X-ray photograph data into digital data, a computing device for setting a trajectory, an imaging device for rotating around a subject to perform X-ray photography, and a trajectory. A storage device for recording and storing photographing information such as data and personal information such as photographing history is configured to be able to communicate data using communication means.

According to a third aspect of the present invention, there is provided a reading apparatus for converting X-ray photograph data into digital data, an arithmetic unit for setting an imaging trajectory, an imaging apparatus for rotating around a subject to perform X-ray imaging, and an orbit. A recording device that captures personal information such as imaging information such as the data of the patient and the imaging history on an X-ray tomographic image.
It is configured so that data communication can be performed using communication means.

According to a fourth aspect of the present invention, there is provided a reading apparatus for converting X-ray photograph data into digital data, an arithmetic unit for setting an imaging orbit, an imaging apparatus for rotating around a subject to perform X-ray imaging, and an orbit. The communication means includes a storage device for recording and storing photographing information such as data and personal information such as photographing history, and a recording device for imprinting photographing information such as orbital data and personal information such as photographing history on an X-ray tomographic photograph. It is configured so that data communication can be performed using it.

In the apparatus according to the first aspect, an arithmetic unit for setting an imaging trajectory is instructed on a measurement point to be calculated, or information for calculation such as a magnification of a photograph read from a reader is input as supplementary information. In the apparatus according to claims 2 to 4, in addition to the indication of the measurement point and complementary information such as the enlargement ratio,
Information such as shooting date and shooting conditions and personal information such as name, gender, and age are input as supplementary information as necessary. Although a keyboard is used for the input, means such as a touch panel, a tablet board, a mouse, and a pen input may be used.

[0010] It is preferable that no manual operation is performed for data communication, and data communication is performed by laying a communication cable. However, wireless communication or an optical fiber cable may be used as a communication means. It is needless to say that the data may be transferred using, or that the input by hand can be used as an alternative to the communication means when the communication means is not used,
Some or all of the above devices may be combined without being independent devices, and it is not necessary to directly perform communication between the devices, for example, a recording device is connected via a storage device from an arithmetic device. Is also good.

A storage device is incorporated in the arithmetic unit, or a communication device is provided to connect a storage device for recording and storing photographing information such as orbital data and personal information such as photographing history to record photographing information and personal information. A recording device for recording personal information such as imaging information such as orbital data and imaging history and the like in an X-ray tomographic image is connected to the film configuration in which the imaging information and personal information are finally captured. It goes without saying that the configuration of claim 3 for imprinting and the configuration of claim 4 for connecting the storage device in conjunction with the storage device are more preferable.

[0012]

Embodiments will be described with reference to the drawings.
FIG. 1 shows a reader (1) for converting X-ray photograph data into digital data, an arithmetic unit (2) for setting an imaging trajectory and also having an input device, and an X-ray rotating around a subject. An embodiment according to claim 1, wherein the photographing device (3) for photographing is configured to be able to communicate data using the communication means (4). Here, the reading device reads the attached X-ray photograph of the cephalometric photographing and the body position photographing by the image pickup mechanism, converts the video information into digital data, and transmits the converted digital data to the arithmetic device. I do. The arithmetic unit displays an image based on the transmitted digital data on a display device, and moves a cursor simultaneously displayed on the display device to newly display a cursor fixed at a designated measurement point. Later, the coordinates of the measurement points are automatically calculated, and the result of the calculation is complemented with information such as the magnification of the photo read from the reading device input from the input device provided in the arithmetic device, and is necessary for setting the shooting trajectory. And then sends it to the photographing device. The imaging apparatus sets the trajectory based on the transmitted setting value of the imaging trajectory and takes an X-ray tomographic image of a target portion.

FIG. 2 shows a reading device (1) for converting X-ray photograph data into digital data, and setting an imaging orbit,
An arithmetic unit (2) also provided with an input device, an imaging device (3) for rotating around a subject to perform X-ray imaging, and recording of imaging information such as orbital data and personal information such as imaging history. An embodiment according to claim 2, wherein the storage device (4) for storing data is configured to be able to perform data communication using communication means. Here, the reading device reads the attached X-ray photograph of the cephalometric photographing and the body position photographing by the image pickup mechanism, converts the video information into digital data, and transmits the converted digital data to the arithmetic device. I do. The arithmetic unit displays an image based on the transmitted digital data on a display device, and moves a cursor simultaneously displayed on the display device to newly display a cursor fixed at a designated measurement point. Later, the coordinates of the measurement points are automatically calculated, and the result of the calculation is complemented with information such as the magnification of the photo read from the reading device input from the input device provided in the arithmetic device, and is necessary for setting the shooting trajectory. And transmits the calculated values to the photographing device and the storage device. The imaging apparatus sets the trajectory based on the transmitted setting value of the imaging trajectory and takes an X-ray tomographic image of a target portion. In addition, the storage device records and stores shooting information such as transmitted orbital data and the like, and personal information input via an information device such as an input device attached to a computing device or a floppy disk, or ,Output.

FIG. 3 shows a reading device (1) for converting X-ray photograph data into digital data, and setting an imaging orbit,
An arithmetic unit (2) also provided with an input device; an imaging device (3) for rotating around a subject to perform X-ray imaging; and X-ray imaging information such as orbital data and personal information such as imaging history. A recording device (5) for imprinting on a line tomographic image is an embodiment according to claim 3, wherein the recording device (5) can communicate data using a communication means. Here, the reading device reads the attached X-ray photograph of the cephalometric photographing and the body position photographing by the image pickup mechanism, converts the video information into digital data, and transmits the converted digital data to the arithmetic device. I do. The arithmetic unit displays an image based on the transmitted digital data on a display device, and moves a cursor simultaneously displayed on the display device to newly display a cursor fixed at a designated measurement point. Later, the coordinates of the measurement points are automatically calculated, and the result of the calculation is complemented with information such as the magnification of the photo read from the reading device input from the input device provided in the arithmetic device, and is necessary for setting the shooting trajectory. And transmits personal information, such as a shooting history, input from an input device provided to the arithmetic unit to the shooting device and the recording device. The imaging apparatus sets the trajectory based on the transmitted setting value of the imaging trajectory and takes an X-ray tomographic image of a target portion. Further, the recording device imprints, on an X-ray tomographic image, photographing information such as transmitted orbit data and personal information such as photographing history.

FIG. 4 shows a reading device (1) for converting the X-ray photograph data into digital data, and setting the imaging trajectory.
An arithmetic unit (2) also provided with an input device, an imaging device (3) for rotating around a subject to perform X-ray imaging, and recording of imaging information such as orbital data and personal information such as imaging history. When the photographing information such as the orbital data and the personal information such as the photographing history are transferred to the X-ray tomography, the recording device (5) is used to communicate the data using the communication means. An embodiment according to claim 4 configured to be able to do so. Here, the reading device reads the attached X-ray photograph of the cephalometric photographing and the body position photographing by the image pickup mechanism, converts the video information into digital data, and transmits the converted digital data to the arithmetic device. I do. The computing device displays an image based on the transmitted digital data on a display device,
After moving a cursor simultaneously displayed on the display device to newly display a cursor fixed at the designated measurement point, the coordinates of the measurement point are automatically calculated, and the calculation result is provided in the arithmetic device. Complemented with information such as the enlargement ratio of the photograph read from the reading device input from the input device, a numerical value required for setting the photographing trajectory is obtained, and transmitted to the photographing device, the storage device, and the recording device. The imaging apparatus sets the trajectory based on the transmitted setting value of the imaging trajectory and takes an X-ray tomographic image of a target portion. The storage device records, stores, or outputs photographing information such as transmitted orbital data and personal information input via an input device attached to an arithmetic device or an information medium such as a floppy disk. I do. Further, the recording device imprints, on an X-ray tomographic image, photographing information such as transmitted orbit data and personal information such as photographing history.

The present invention is constructed as described above, and obtains data necessary for performing X-ray tomography from X-ray photographs of cephalography and body axis photography, and converts the obtained data to an X-ray tomography apparatus. This eliminates the need for complicated manual work of inputting data to the user, thereby dramatically reducing the time required for the work, dramatically reducing the probability of occurrence of human error, and preventing repetition of the work. It is possible to prevent an increase in the amount of exposure received by the examiner.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a dental X-ray tomography apparatus according to claim 1; Reading device (1), arithmetic device (2), photographing device (3)

FIG. 2 is a diagram showing a configuration of a dental X-ray tomography apparatus according to claim 2; Reading device (1), arithmetic device (2), photographing device (3), storage device (4)

FIG. 3 is a view showing a configuration of a dental X-ray tomography apparatus according to a third embodiment. Reading device (1), arithmetic device (2), photographing device (3), recording device (5)

FIG. 4 is a diagram showing a configuration of a dental X-ray tomography apparatus according to claim 4; Reading device (1), arithmetic device (2), photographing device (3), storage device (4), recording device (5)

FIG. 5 is a diagram showing an example of data necessary for performing X-ray tomography obtained from X-ray photographs of cephalography and body axis photography.

Claims (4)

[Claims] 1. An imaging apparatus in which an X-ray generator and an imaging apparatus are arranged to face each other, and rotate around a subject to perform X-ray imaging, a reading apparatus for converting X-ray photographic data into digital data. Displays the X-ray photograph data converted into digital data on a display device equipped with the display device, and moves a cursor simultaneously displayed on the display device to newly display a cursor fixed at a designated measurement point. After that, the coordinates of the measurement points are automatically calculated, and the result of the calculation is complemented with information such as the magnification of the photo read from the reader that is input from the equipped input device, and the values required for setting the shooting trajectory are calculated. An arithmetic unit having a program to be sought, and the photographing device configured to be able to perform data communication using communication means, and based on a setting value of a photographing trajectory transmitted to the photographing device using communication means. A dental X-ray tomography apparatus, wherein the imaging apparatus is controlled to take an X-ray tomographic image of a target portion. 2. The apparatus according to claim 1, wherein a storage device for recording and storing photographing information such as orbital data and personal information such as photographing history is connected using communication means. apparatus. 3. The apparatus according to claim 1, wherein a recording device for copying photographing information such as orbital data and personal information such as photographing history into an X-ray tomographic image is connected using communication means. Item 5. The apparatus according to Item 1. 4. The apparatus according to claim 1, wherein a storage device for recording and storing photographing information such as track data and personal information such as photographing history, and X-ray information such as track data and photographing history. 2. The apparatus according to claim 1, wherein a recording device for imprinting on the line tomographic image is connected using communication means.