Real-time parathyroid imaging device

A parathyroid imaging device for displaying a parathyroid, the parathyroid imaging device comprising:

• a light source configured to emit light to a thyroid and excite a parathyroid;
• an excitation filter disposed in front of the light source;
• an infrared ray illuminator which emits infrared rays toward a surgical field;
• a detector configured to detect an autofluorescent image with a background image, wherein the autofluorescent image is generated according to an autofluorescence spectrum emitted from the parathyroid;
• and
• an emission filter disposed in front of the detector,
• wherein the emission filter is for imaging simultaneously the parathyroid and the background around the parathyroid in the surgical field,
• wherein the emission filter includes a notch filter,
• wherein the notch filter is configured to pass through the near-infrared spectrum of the autofluorescence, the infrared spectrum of the illuminator and a visible spectrum, block the light source spectrum, and adjust transmissivity of visible rays and near-infrared rays.