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Surgical Lamp
Jun 19, 2018

A surgical light has a device for the variation of the light field and a device for the setting of the luminous flux, with additionally a device being provided for the detection of a variation in the light field. A surgical light – also referred to as an operating light or surgical lighthead – is a medical device intended to assist medical personnel during a surgical procedure by illuminating a local area or cavity of the patient. A combination of several surgical lights is often referred to as a “surgical light system”.

Even the brightest light is insufficient if it cannot remove unwanted shadows from the surgical field. Shadows fall into two types: contour and contrast. Contour shadows are beneficial; they help the surgeon differentiate between fine tissue striations and vasculature. Contrast shadows, on the other hand, are a hindrance. These shadows result from obstructions cast by hands or instruments. Accordingly, you should look for a light that reduces contrast shadows while retaining enough contour shadows to provide surgeons with optimal perception.

A Brighter Light If your surgeons like intense illumination, consider the Genesis/Genie Plus surgery light and satellite unit from Burton. Combined, the two multi-bulb light heads produce approximately 227,000 lux at a color temperature of 4000° K. That is more than double the minimum requirement for major surgical lights.

The lamps' intensity is maintained up to a field depth of 17 inches (43 cm) from the light source, therefore requiring no corrective refocusing. However, you have the option of focusing the lights to produce a broad field of 10 inches (25 cm) or a very tight, high-intensity spot of six inches (15 cm). There is also a dimming mechanism that allows the surgeon to increase or decrease the light's intensity in a continuous linear adjustment (as opposed to discrete steps).

Each halogen lamp has a rated life of 1500 hours. But since the light's six 50-watt halogen bulbs are wired in parallel, one bulb failure won't interrupt a case.

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