Ultra-fine 3D camera device for root canal imaging

Abstract

The present invention relates to an ultrafine 3D camera device, comprising: a probe including at least one optical fiber cable; a light source unit that irradiates a structure with light of the same wavelength or light of different wavelengths via at least one optical fiber cable; an optical lens unit that detects reflected light signals irradiated onto the structure via at least one optical fiber cable and reflects them, and transmits the detected reflected light signals to the light source unit and spectrally analyzes the light signals according to the colors contained therein; an image sensor unit that converts the light signals imaged by color via the optical lens unit into electrical signals and outputs analog image data; and an image conversion processing unit that converts the analog image data output from the image sensor unit into color-specific digital image data, and processes the converted color-specific digital image data to convert it into color image data and output it.

Claims

1. An ultra-fine 3D camera device, A probe including at least one fiber optic cable, A light source unit that irradiates a structure with light of the same wavelength or different wavelengths via at least one optical fiber cable. An optical lens unit detects the reflected light signal that is irradiated onto the structure via at least one optical fiber cable and reflected, and receives the detected reflected light signal and spectrally separates the light signal according to the color contained in the light source unit. An image sensor unit that converts optical signals, which are imaged separately by color through the optical lens unit, into electrical signals and outputs analog image data, An ultra-fine 3D camera device including an image conversion processing unit that converts analog image data output from the image sensor unit into color-specific digital image data, and then processes the converted color-specific digital image data to convert it back into color image data for output.

2. The apparatus according to claim 1, wherein the image sensor unit is a phase detection image sensor or a quad phase detection image sensor.

3. The apparatus according to claim 2, wherein the image sensor unit acquires up-down and left-right phase difference information from at least one optical fiber cable using a phase detection function, calculates optical distance information for each image data using the acquired phase difference information, acquires color-specific imaging data including the calculated optical distance information, and generates three-dimensional image data from the calculated optical distance information.

4. The aforementioned image conversion processing unit is included in the electrical equipment unit, The apparatus according to claim 1, wherein the electrical unit further includes a control unit that transfers color image data output from the image conversion processing unit to a computing device via a communication unit, a power supply unit that supplies power to the ultrafine 3D camera device, and a storage unit that stores digital image data.

5. The apparatus according to claim 1, wherein the optical fiber cable penetrates the body of the probe and protrudes from one end of the probe, and the probe is made of one of the following materials for sterilization: stainless steel, titanium, tungsten carbide, nickel-chromium alloy, or a combination thereof.

6. The optical lens section includes a first lens, a second lens, an optical fiber bundle, a splitter, a protective glass film, and a lens section case. The light emitted from the light source passes through the optical fiber bundle, is spectrally separated by the splitter, and then passes through the first lens to be transmitted to the optical fiber cable. The apparatus according to claim 1, wherein light reflected from the structure is transmitted via the at least one optical fiber cable, passes through the first lens, the splitter, and the second lens, and is then transmitted to the image sensor.

7. An ultra-fine 3D camera device including a probe, optical lens section, electrical components, and battery section, The probe includes at least one optical fiber cable, The electrical unit includes a light source unit that irradiates the structure with light of the same wavelength or different wavelengths via the at least one optical fiber cable. The system includes an image sensor unit for receiving optical signals, an electrical circuit board that supports the light source unit and the image sensor unit and includes a circuit for controlling the ultra-fine 3D camera, an ON / OFF switch for supplying power, and a first signal connection terminal that receives power from a battery unit. The optical lens section includes an optical fiber bundle that receives and transmits light irradiated from the light source section, a splitter that spectrally analyzes the light transmitted from the optical fiber bundle, a first lens that transmits the spectrally analyzed light from the splitter to the probe, a second lens that receives the light reflected after being irradiated onto the structure and transmits it to the image sensor section, a protective glass film, and a lens section case. The battery section includes a second signal connection terminal that transmits power to the electrical components section, a battery cell, and a charging terminal. This is an ultra-fine 3D camera device.

8. The apparatus according to claim 7, wherein the probe is detachably connected to the optical lens section, the optical lens section is detachably connected to the electrical section, and the electrical section and the battery section are detachably connected to each other.

9. The apparatus according to claim 7, further comprising a charger having a holder function, wherein the charger wirelessly charges the ultrafine 3D camera device.

10. The apparatus according to claim 7, wherein the image sensor unit is a phase detection image sensor or a quad phase detection image sensor.

11. The apparatus according to claim 10, wherein the image sensor unit acquires up-down and left-right phase difference information from at least one optical fiber cable using a phase detection function, calculates optical distance information for each image data using the acquired phase difference information, acquires color-specific imaging data including the calculated optical distance information, and generates three-dimensional image data from the calculated optical distance information.

12. The apparatus according to claim 7, wherein the at least one optical fiber cable penetrates the body of the probe and protrudes from one end of the probe, and the probe is made of one of the following materials for sterilization: stainless steel, titanium, tungsten carbide, nickel-chromium alloy, or a combination thereof.

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