KR20160060796A - Dental examination system - Google Patents

Abstract

The present invention relates to a dental examination system to examine every tooth at a time by including a plurality of cameras in a head unit of a hand piece. The dental examination system comprises: the head unit including the camera modules having an optical unit and a sensor unit; a handle unit including a control unit which controls and compresses an image obtained by the camera modules by being extended from the head unit; an image transmission unit to transmit the image compressed inside the handle unit to the outside; an image storage unit to store the image obtained by the camera modules; a portable output unit to output the image obtained by the camera modules; and a remote system to receive the image transmitted from the image transmission unit and to store and output the image. A high frequency image transmission unit to transmit the image obtained by the camera modules is additionally provided.

Description

[0001] DENTAL EXAMINATION SYSTEM [0002]

The present invention relates to a dental oral examination system, and more particularly, to a dental oral examination system in which a plurality of camera modules are provided in a head portion of a handpiece to check the state of all teeth at one time.

It is a device to improve the difficulty of the effective examination by the improper positional relation of the treatment area and the illumination lamp used for the patient's examination in the medical institution. In general, when the teeth are monitored in the dentistry, , It is observed with a doctor's eye or a fixed camera by a doctor under the control of a physician manually.

Conventionally, a method for transmitting low-quality and low-resolution images of a resolution of 1 megapixel or less uses a method of collecting light from an optical unit into a sensor unit, an image processing unit, and a transmission unit and transmitting the light to an optical cable. At this time, However, the optical cable has a limitation in transmitting high-resolution and high-resolution images. In order to overcome this problem, a method of integrating the optical unit, the sensor unit, the image processing unit, and the image transmission unit is proposed.

However, this has the advantage of transmitting high-quality and high-resolution images, but since the optical part is large, there is a limitation in acquiring the oral condition of the patient.

A related prior art is a Korean registered utility model 0274823 (registered date: Apr. 29, 2002, dental camera).

The present invention is intended to provide a dental oral examination apparatus which confirms the tooth condition of multiple angles at one time.

The present invention is intended to provide a dental oral examination system in which an examiner can confirm a mouth condition of a testee by securing a field of view in a direction similar to a mouth of a testee.

The present invention is to provide a dental oral examination system in which a subject and an examinee can simultaneously monitor a subject's mouth.

The present invention provides a dental oral examination system capable of obtaining a high-definition, high-resolution image wirelessly using a small-sized oral camera.

The technical objects to be achieved by the present invention are not limited to the above-mentioned technical problems.

According to another aspect of the present invention, there is provided an oral examination system for dental use, comprising: a head unit having a plurality of camera modules having an optical unit and a sensor unit; A grip portion extending to the head portion and having a control portion for controlling and compressing an image acquired from the camera module; An image transmission unit for transmitting a compressed image to the outside of the handle unit; An image storage unit for storing images acquired by the camera module; A portable output unit for outputting an image acquired by the camera module; And a remote system for receiving and storing an image transmitted by the image transmitting unit, and a high frequency image transmitting unit for transmitting the image acquired by the camera module to a control unit.

Specifically, the high-frequency image transmission unit transmits high-resolution and high-resolution images of 2 mega or more using HD-SDI or SerDes (Serializer-Deserializer).

In addition, the head portion includes an illuminating means for emitting light.

The portable output unit and the remote output unit output the same image.

The control unit may include an image processing unit for adjusting automatic exposure correction and automatic white light of the image acquired by the camera module, and an image compression unit for compressing the image processed by the image processing unit to a predetermined size.

Further, the number of the cameras is two to four.

In addition, the control unit may include an automatic focus function of an image obtained through a camera module.

Further, the head portion is detachably attached to the handle portion.

In addition, the portable output unit may be integrally formed with the handle portion or may extend from the rear end of the handle portion.

In addition, the portable output unit extends to the rear end of the handle to adjust the angle and to rotate left and right.

As described above, according to the present invention, the portable output unit is provided in the handgrip so that when the examinee's face direction acquires the image of the mouth composition of the examinee with the head unit, the user watches the handle unit in the mouth direction of the examinee It is possible to smoothly carry out the operation of the head portion moving in the mouth by manipulating the position of the head portion while viewing.

In addition, the present invention has the effect of shortening the inspection time since the whole of the mouth, the upper and lower sides, or the left and right can be confirmed at once by using a plurality of cameras in the head part.

In addition, since the head part and the handle part can be attached and detached, the present invention can be easily replaced when a failure occurs in any one of the parts, and it is effective in cost reduction, and the head part can be mounted for various purposes.

1 is a block diagram illustrating a dental oral examination system according to an embodiment of the present invention.
2 is a perspective view illustrating a handpiece of a dental mouth examination system according to a first embodiment of the present invention.
3 is a perspective view illustrating a handpiece of a dental mouth examination system according to a second embodiment of the present invention.
4 is a view showing grips of a handpiece of a dental mouth examination system according to the first and second embodiments of the present invention.
5 is a view illustrating a dental mouth examination system according to a third embodiment of the present invention.
6 is a view showing a grip of a handpiece of a dental mouth examination system according to a third embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same components are denoted by the same reference symbols whenever possible. Further, it is a matter of course that the present invention requires a battery to drive the following configuration in a configuration requiring power supply.

Therefore, a detailed description of known functions and configurations that may obscure the subject matter of the present invention will be omitted.

FIG. 1 is a block diagram illustrating a dental mouth examination system according to an embodiment of the present invention. The oral examination system can be roughly classified into a handpiece 100 and a remote system 200, (110) and a handle (120).

Here, the head part 110 and the grip part 120 of the handpiece 100 can be detachably attached to each other, so that it is possible to replace only a failed part in a failure of one part, .

In the handpiece 100, the head unit 110 includes a plurality of camera modules 111, and acquires a draft state of an examinee as an image. The camera module 111 includes an optical part and a sensor part.

Here, the optical part and the sensor part are general matters, and a detailed description thereof will be omitted.

The camera module 111 can acquire multiple images at one time by connecting a plurality of camera modules 111 in parallel.

For example, the camera module 111 may include two camera modules 111 on both sides as shown in the first embodiment of FIG. 2 to easily acquire an image up and down or right and left of the mouth. As shown in FIG. 4, the camera module 111 includes four camera modules 111 to acquire an entire image of the mouth at a time, thereby acquiring an image of the mouth in a three-dimensional image.

The head unit 110 may further include an illuminating unit (not shown) for emitting light. In this case, the illuminating unit may be a very small light emitting device using a white LED for low-illuminance image acquisition.

The grip 120 includes a high frequency image transmission unit 121, a control unit 122, a portable output unit 122, an image transmission unit 124, an image storage unit 125, and a button unit 126.

The high frequency image transmitting unit 121 transmits the image acquired by the camera module 111 to the control unit 122. At this time, it is preferable that the high-frequency image transmitting unit 121 transmits high-resolution and high-resolution images of 2 mega or more using a high definition-serial digital interface (HD-SDI) or a serializer-deserializer (SerDes).

Here, HD-SDI stands for High Definition-Serial Digital Interface, which means digital video transmission standard. It is advantageous in realizing a high resolution image of at least 720P (1280x720). In addition, the use of high frequencies allows for optimal design to reduce signal attenuation

In addition, SerDes serializes the image signal obtained through the camera module 111, converts the image signal into a serial signal, converts it into a parallel signal, and restores the image signal to the same image signal as the image signal input by the camera module 111.

Therefore, it is possible to transmit a high-resolution and high-resolution image of 2 mega or more even using a small-sized camera module.

The control unit 122 integrates the optical unit and the sensor unit, collects the light, converts the light into an image, and transmits and processes the image.

At this time, the control unit 122 receives the image acquired by the camera module 111 through the high-frequency image transmission unit 121.

Here, the control unit 122 can control the image mode output to the camera module 111 and the portable output unit 123 according to the operation of the button unit 126. [

The control unit 122 controls the camera module 111 by transmitting a zoom-in or zoom-out command generated by the button unit 126 to the camera module 111, .

The control unit 122 is divided into an image processing unit 122a and an image compression unit 122b. The image processing unit 122a has a technology for processing a high-resolution image (ISP) And the sensor unit 111b.

The image processing unit 122a includes an image correction algorithm that corrects an image input from the optical unit 111a to be viewed by a human eye so that the image is processed in the same way as a human image.

At this time, the image correction algorithm is composed of Automatic Exposure (AE) and Automatic White Balance (AWB).

AWB is a function that automatically adjusts the white balance balance of a color camera according to the color temperature change of a light source which is input by an automatic white light adjustment, There is an internal light-metering system that uses a color-difference signal generated from a camera signal of a subject, which is input from the camera, as color-temperature information, and an external light-metering system that detects and applies a color temperature of a subject by using an external sensor.

The image compressing unit 122b compresses a high-quality image and a high-resolution image using a technique of compressing an image to a predetermined size in real time and a technique of compressing the image while maintaining image quality in real time.

At this time, the image compression technique can adopt any of H.254, MJPEG, and MPEG4.

The portable output unit 123 outputs the video image processed by the control unit 122 in real time after being acquired through the camera module 111 and may be provided integrally with the handle 120 of the handpiece 100 And extend to the rear end of the handle.

When the portable output unit 123 is integrally formed with the handle 120, the portable output unit 123 is positioned at a position exposed to the outside at the grip of the examiner's grip 120 as shown in FIG. 4 .

5, the portable output unit 123 may be extended to the rear end of the handle 120 to adjust the angle and rotate left and right. In such a case, the portable output unit 123 may be provided at the rear end of the handle 120, It is preferable to use the portable output section 123 easily by gripping it as shown in FIG.

The embodiments of the present invention can be applied to the head portion 110 while looking at the handle 120 in the mouth direction of the examinee without looking at the output portion in the other direction when the examinee's face direction acquires the corner of the mouth of the examinee with the head portion 110, The operation of the head unit 110 moving in the mouth can be smoothly performed by operating the position of the head unit 110. [

The image storage unit 125 stores images acquired by the camera module 11. [ At this time, the image storage unit 125 may use an external memory or a built-in memory.

The image transmission unit 124 processes the image obtained through the camera module 111 of the head unit 110 through the control unit 122 and transmits the processed image to the remote system 200 according to the user's control. The image transmitting unit 124 uses a wireless transmission technique using Wi-Fi and UWB (Ultra wideban) for image transmission.

The remote system 200 includes an image receiving unit 210, a remote output unit 220, and a storage unit 230.

The image receiving unit 210 receives the image acquired by the camera module 111 transmitted from the image transmitting unit 124 and transmits the received image to the remote output unit 220.

The remote output unit 220 outputs the image received by the image receiving unit 210 to the outside to facilitate visual confirmation of the user's mouth. At this time, the image output from the remote output unit 22 may be output to the same image as the image output to the portable output unit 123.

The remote output unit and the portable output unit 123 may synchronously output or selectively output images captured by the plurality of camera modules 111. Alternatively, the remote output unit and the portable output unit 123 may divide the screen and output a plurality of images at one time It is possible.

The storage unit 230 stores the received image. At this time, the storage unit 230 may be an external memory or a built-in memory.

By implementing the dental oral examination system as described above, it is possible to check the tooth state of a plurality of angles at one time, and the visibility of the examinee can be confirmed by securing the field of view in a direction similar to the mouth of the examinee.

In addition, the inspector and the inspector can simultaneously monitor the examinee's mouth, and a high-resolution, high-resolution image can be obtained using a small-sized oral camera.

The dental mouth examination system as described above is not limited to the configuration and the manner of operation of the embodiments described above. The embodiments may be configured so that all or some of the embodiments may be selectively combined so that various modifications may be made.

100: handpiece 110: head part
111: camera modules 111a:
111b: sensor part 120: handle part
121: high frequency image transmission unit 122:
122a: Image processing unit 122b: Image compression unit
123: Portable output unit 124: Image transmission unit
125: Image storage unit 126: Button unit
200: remote system 210: image receiving unit
220: remote output unit 230: storage unit

Claims (10)

A dental oral examination apparatus comprising:
A head unit including a plurality of camera modules having an optical unit and a sensor unit;
A grip portion extending from the head portion and having a control portion for controlling and compressing the acquired image of the camera module;
An image transmission unit for transmitting a compressed image to the outside of the handle unit;
An image storage unit for storing images acquired by the camera module;
A portable output unit for outputting an image acquired by the camera module; And
And a remote system for receiving, storing, and outputting an image transmitted by the image transmitting unit,
And a high frequency image transmitting unit for transmitting an image acquired by the camera module to a control unit.
The method according to claim 1,
Wherein the high-frequency image transmitting unit transmits high-resolution and high-resolution images of 2 mega or more using HD-SDI or SerDes (Serializer-Deserializer).
The method according to claim 1,
Wherein the head portion includes illumination means for emitting light.
The method according to claim 1,
Wherein the portable output unit and the remote output unit output the same image.
The method according to claim 1,
The control unit may include an image processing unit for automatically adjusting the exposure and the automatic white light of the image acquired by the camera module,
And an image compressing unit compressing the image processed by the image processing unit to a predetermined size.
The method according to claim 1,
Wherein the number of the camera modules is two to four.
The method according to claim 1,
Wherein the control unit includes an automatic focus function of an image obtained through a camera module.
The method according to claim 1,
Wherein the head portion is detachably attached to the handle portion.
The method according to claim 1,
Wherein the portable output unit is provided integrally with the handle portion or extends to the rear end of the handle portion.
The method of claim 9,
Wherein the portable output unit extends to a rear end of the handle to adjust the angle and to rotate left and right.

Images