1 Has sufficient illumination.
The illumination of the Operation lamp has reached more than 150,000 LUX, close to the brightness of the sunny summer sunshine. The actual illumination used is usually 40,000 to 100,000 LUX. It is better if the brightness is too bright. While providing sufficient illumination, the beam should be protected from glare on surgical instruments. Glare affects vision and vision, and it can easily cause eye fatigue. Unfavorable surgery is performed by the surgeon. The illuminance of the Operation lamp and the illuminance of the operating room should not differ too much. Some illuminance standards stipulate that the illuminance of the overall illumination is preferably one-tenth of the local illumination illuminance. The overall illuminance of the operating room should be above 1000 LUX.
2 High degree of surgery.
Shadowlessness is an important feature and performance indicator of shadowless lights. Any shadow formed in the surgical field will hinder the doctor's observation, judgment and surgery. In addition to providing adequate illumination, a good Operation lamp should also have a high degree of shadowlessness to ensure that the surgical field surface and deep tissue have a certain degree of luminosity. In the shadowless test, a 50X75mm black cylinder was used. The light source was disposed 1 meter above and a photometer was placed at the bottom of the tube. The measured light/shadow ratio was not to be less than 10%. The actual product used was 50-100 cm in diameter. The lampshade is equipped with several or dozens of evenly arranged lamp balls in a ring. The lamp ball uses special light bulbs and reflectors. The light beams reflect from different positions and meet at a point through the filter to provide balance and uniformity. The shadowless bright beam.
3 The temperature is low.
The increase in illuminance will inevitably lead to an increase in the temperature of the lamp body and the beam, which will affect the temperature of the doctor's head and the tissue of the surgical site, thereby affecting the surgical efficiency and the quality of the operation. For this reason, the temperature rise of the operating room is required to be controlled within 10°C. The main method adopted is to pass visible light generated by the light source through a mirror that can filter 70% of infrared rays, and the remaining infrared rays are mostly separated and filtered by the glass cover. The beam after the above treatment is called luminescence.
4 Light quality is good.
The so-called light quality is that the provided light beam can truly reflect the blood, the color of the tissue and its changes. This property is generally referred to as color rendering, which is represented by the color rendering index value calculated from the light distribution of the light source. The optimum color rendering index is 100. Color rendering has a lot to do with color temperature. It is required to be able to reach a color temperature of 6000K. The true color rendering property is about 70-90, and the effective color rendering property is close to 100.
5 easy to operate.
The operation Operation lamp should be able to continuously change the position and direction during the operation. The operation must be simple, flexible, light, fast and effective. The central part of the lamp body should be equipped with a sterilizable operating handle. The advanced product is also equipped with a deep cold light lamp, a color television camera and a ventilation device.
6 Economical and safety.
Economic efficiency mainly refers to light sources with high luminous efficiency, low power consumption, and long life. Most foreign countries have adopted halogen bulbs. The lamp body requires a material that is difficult to adhere to dust. As the structure of shadowless lights tends to be large and complex, it is very important to consider their safety. This mainly refers to electrical safety performance, lamp body structure strength and its weight.