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Efficient Surgical Light Cuts Costs, Improves Patient Care

Health care is often a game of numbers, with small, incremental improvements moving the needle forward in improving care for all. Small improvements in efficiency here and there can have a big impact on patient outcomes and costs to health care facilities. Surgical lighting systems represent one aspect of health care where efficiency efforts can have a big impact on patient health, facility expenses, and the environmental impact of the health care industry.

Surgical Lighting

Great advances have been made in recent years to surgical lighting systems, making them easier for doctors and nurses to manipulate, reducing their power consumption and also reducing their heat output. Health care facilities searching for ways to improve patient outcomes and also to control costs should consider the advantages of upgrading their surgical lights.

A History of Surgical Lights

Surgical lights, in short, are medical devices used to provide illumination for medical personnel during surgical procedures. The lighting systems help doctors and nurses see areas where they are performing procedures, improving their accuracy and reducing their risk of inadvertently causing damage.

Surgical Lighting

Up until the late 19th century, the sun provided most of the illumination needed for physicians to perform surgery. Operating rooms used to be constructed to optimize the amount of sunlight available inside. Facilities were constructed facing the southeast with windows installed in the ceiling to allow the maximum amount of sunlight into the building. Procedures were often scheduled based on time of day and whether clouds were obscuring sunlight. Mirrors inside the facilities were used to focus the sunlight, illuminating areas where doctors needed more visibility.

Electric lights began being used in the 1880s, allowing surgeons to perform procedures day or night, but early surgical lighting systems were not without problems. Electrical technology was in its infancy, as was electric light, so surgical lighting systems could be unreliable at times. Also, these lighting systems created a lot of heat, resulting in patient and physician discomfort.

The technology has progressed greatly since then, and today’s modern surgical lighting systems provide superior illumination without the heat that can affect patient and physician comfort and result in negative outcomes.

Efficient Surgical Lighting

New regulations and a changing marketplace are pushing health care providers to improve patient outcomes and find ways to reduce costs. Lighting is a big cost for many major health care facilities, representing more than 10 percent of facilities’ energy consumption, according to the U.S. Department of Energy. The Energy Department estimates that more than 160,000 surgical lighting systems are in use in hospitals around the U.S. While health care facilities have many lighting needs beyond surgical lights, upgrading these systems can help put a dent in energy consumption related to lighting.

Surgical Lighting

Perhaps the most promising lighting technology for improving efficiency is light-emitting diode (LED) lighting technology. While the vast majority of surgical lights currently in use worldwide are incandescent or halogen lights, health care facilities are rapidly adopting LED surgical lights. Most new surgical light sales in America’s top hospitals are for LED lights.

LED lights consist of very small light bulbs that fit easily into an electric circuit. However, unlike traditional light bulbs, LED lights do not have filaments, nor do they get hot. LED light illumination results from the movement of electrons in a semiconductor material. The earliest LED applications were developed in the 1960s.

Surgical Lighting

Perhaps the greatest advantage of LED lights is their reduced energy consumption. LED lights require far less power than traditional lights. The U.S. Energy Department estimates that switching to LED-based surgical lights can save health care facilities up to 47 percent in electrical costs associated with surgical lighting.

LED lighting presents a number of advantages over older technologies such as incandescent, fluorescent, and halogen lights for medical lighting applications. LED lights are not just more energy efficient than other lighting types, they also make medical devices for lighting more functional and also improve patient outcomes.

Halogen and incandescent lights were widely adopted because they produced significant amounts of light and rendered colors better. Color rendering is critical to surgical lights because it aids physicians in identifying and differentiating various tissues they encounter in surgical procedures. Today’s LED lamps rival halogen lamps in the quality of color rendering they can provide.

Surgical Lighting

In terms of patient and doctor comfort, LED lamps are a superior choice. Halogen lamps can produce excessive amounts of heat, making doctors and nurses performing surgical procedures uncomfortable. They may also cause patient discomfort and contribute to exposed tissue drying during a procedure. LED lights do not produce excess heat, eliminating this problem. Also, LED lights are easier to focus than traditional surgical lighting. LED lights are easier to manipulate than direct light, and they eliminate shadows. Some models allow users to change color temperature, ensuring optimum contrast and thus making it easier for surgeons to identify various tissues during procedures.

Another key benefit LEDs hold over traditional lights is their ability to dim. LED surgical lights are easier to dim than traditional lights. Lowering the electrical current is all users need to do to dim an LED light.

LED lamps also last much longer than traditional lamps. LED lamps typically have a 10,000 to 50,000 hour useful life, while halogen lamps typically last just 1,000 to 4,000 hours. LED lamps are also usually easier to replace than halogen lamps. LED lamps are more expensive than traditional lamps, but not by significant amounts.

When doctors and nurses are able to get clear views of exposed tissues during surgical procedures, their chance of error diminishes. Improving their comfort during these procedures also reduces the risk of mistakes. Facilities that incorporate LED lights into their surgical lighting system won’t just save money, they may also save lives.

Also, switching to efficient LED lights will reduce health care facilities’ environmental impact. Because LED lights use less energy and are replaced less often than traditional lights, they consume fewer resources and result in fewer carbon emissions than traditional lights.

Considerations for an Upgrade

When considering upgrading a health care facility’s surgical lighting systems, health care facility managers have a number of factors they need to weigh before making a decision, including:

Surgical Lighting

  • Capital costs – Retrofitting the lighting system will have a number of costs, including new equipment, installation costs, and any renovations to the facility’s existing electrical system that may need to be made to accommodate the new gear.
  • Operating costs – When considering a lighting retrofit, facilities managers should get reliable numbers regarding the difference in operating costs installing a new lighting system will be. This will provide solid information on whether a retrofit is in the best interests of the facility. For facilities that have long operating hours and are located in areas where electricity rates are high, the payback on a retrofit can often be quick.
  • Replacement costs – How will the replacement costs of parts for the new system compare to replacement costs for the old system? Will the lamps and other components last longer for the new device than the old one? Are replacement part costs for the new equipment less than for the old equipment?
  • Disposal costs – Many surgical lamps have special disposal needs. For example, fluorescent and HID lamps contain small amounts of mercury, requiring careful disposal to avoid environmental contamination and non-compliance with federal regulations. Facility managers need to determine whether disposal costs for new equipment will be significantly greater or less than disposal costs for current medical devices in use.

Monitoring lighting after a retrofit can also help facilities managers get the full benefit of their investment. By monitoring electrical consumption, replacement and repair costs, and other factors, facilities managers can ensure that problems aren’t arising that can impair the efficiency of the new surgical lighting system.

Surgical Lighting

Medical Device Depot carries a large stock of surgical lights and medical devices. With a trained staff of knowledgeable sales professionals, Medical Device Depot can answer any and all questions concerning its stock, allowing clients to make informed decisions concerning their purchases. Medical Device Depot also offers a variety of flexible payment arrangements, and all devices are warrantied.

Sources:

http://www.hfmmagazine.com/display/HFM-news-article.dhtml?dcrPath=/templatedata/HF_Common/NewsArticle/data/HFM/Magazine/2015/May/LED-in-health-care-settings http://www.healthcaredesignmagazine.com/article/illuminating-ideas-leds-healthcare http://www.steris.com/media/PDF/support/education/StudyGuides/M2833%20SG%2016%20Advancements%20in%20Surgical%20Lighting%207-10.pdf

 
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