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Light Source Set
Light Source Set is used for illuminating the interiors of the body. It consists of a control unit and light guide with adapters. The control unit contains a light bulb for light production and its related circuitry. Considering its use, the best option would be to use sun light as it is the brightest of all lights. Any light’s brightness is expressed in its whiteness. In its perfect whiteness, the sun light enables us to view the exact colours of different objects that we see. This holds good for Arthroscopy too where it is desirable to view the colours as they really are. Each and every colour is characterised by a temperature associated with it. Sun light has colour temperature of 6300 to 6700deg Kelvin (K). Thus the colour whose temperature is close to 6300deg K is best for our illumination purposes.
On the face of it, it may appear that light source should not contain anything but a light bulb and a means to carry the emitted light to the scope’s light post. But the modern day light source has much more than this. Today’s light source incorporates, besides light bulb and connector for light guide, a fan and a series of lenses before the connector. The fan is required to cool the bulb when in operation. This is avoid the over-heating of bulb and light source as a whole because, when over-heated, the light source may stop functioning. In fact, modern light sources ensure that the light does not come on if the fan isn’t working. Incidentally, the presence of fan makes light source the heaviest equipment used in Arthroscopy. The series of lenses is required to focus all the generated light from the connector into the light guide to prevent any leakage of light. Over and above this, most of the units come with adapters to accept light guides from different manufacturers.
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