Top 10 Medical Applications of Laser That You Must Know

The invention of Laser (Light amplification by stimulated emission of radiation) has brought about a major revolution in the ways of life of people. From the simplest of devices like DVD players to complex machines used for surgeries, it has influenced a lot of advancements in technology. It has been a boon to the social economy as well as a lot of industries willing to explore its usage.

The unique properties of laser make it a viable candidate for versatile application in numerous fields. In the early years, it was actually surprising to people that lasers could be used for medical purposes. Nobody had envisioned its utilization in medicinal science for improving the physical well-being of a person. Eventually, medical researchers and doctors saw the possibilities, and the first ruby laser was invented in 1960. Soon after that, the use of lasers started multiplying over the years in medicine.

The increasing use of laser in medicine has only been possible due to a better understanding of the interaction between laser light and living tissue. New technology has induced its deployment in the field of medical applications from surgery to non-invasive therapeutic processes.

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Here are top 10 medical applications of laser:

Using Laser Technology for Eye Surgery

The most widely spread eye-related laser application is the reshaping of the cornea of the eye for improving eyesight. The technique is called LASIK, which stands for Laser-Assisted in Situ Keratomileusis. The membrane that lines the interior of the eye gets detached and it slowly deteriorates the sight power of a person. A laser beam is carefully adjusted to pass through the lens harmlessly so that it can focus on the damaged area of the retina. It repairs the detached retina by using the intensity of the focused beam to seal the area back against the wall of the eyeball.

Cleaning of Arteries with Laser, also called Laser Angioplasty

Sometimes, the inside walls of your arteries may get clogged with tough, fatty substances called plaque. That does not let blood flow normally and the result can be really fatal. A heart attack or a stroke can occur due to it. An effective way to avoid that is laser angioplasty. In this method, an optic fiber connected to a very small television camera is inserted into a blood vessel. It is then guided towards the affected area by the doctor and nurse. When the blocked artery is spotted, a laser beam is fired to destroy the plaque. The vapour is sucked back through a hollow tube, which completes the operation.

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Laser-Assisted Dentistry

Dentistry has benefitted a lot from laser technology. During treatment, the laser is set at such a power that eliminates the tissue that has decayed, which is softer than the enamel, which does not get affected. It takes advantage of the varying hardness of the different parts of the tooth. It acts really fast, so it does not require anesthetic.

Healing of the Eye and Reshaping using Laser

One of the most significant breakthroughs in medical science using lasers is in the area of ophthalmology. Extraneous blood vessels, detached retina and conditions like Glaucoma can be treated with ease using laser technology.

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Cosmetic Surgery

Various kinds of cosmetic surgeries are performed using medical lasers. Certain types of birthmarks, like the reddish-purple skin blotches, can be removed by this technology. A low-power, wide beam of laser light is run across the area and the mass of blood vessels present in the stain absorbs it. The temperature increases due to the absorption and burns off. Scar healing is required after the treatment.

Tattoo Removal using Laser

Permanent tattoos are a choice that usually lasts a lifetime. Strong dyes get injected into the skin of a person with needles in different shapes and designs. The decision of not having it anymore usually resulted in surgery or burning it off with acid. However, lasers offer a successful alternative to such a dilemma. A laser beam is directed towards the tattoos and bleaches the dyes without burning the skin surrounding it. This removes the design, while some scarring may be left behind.

Laser Lithotripsy

Laser lithotripsy is a technique used for breaking down urinary and biliary stones. Kidney stones in the urinary tract are broken apart using a ureteroscope that has been passed into its tubes. For further removal, incisions are not required as the small pieces can be removed by a surgeon or naturally passed out of the body through urination.

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Oncology by Laser

Presently, various cancers arising in organ systems are treated safely. The photomechanical, photothermal and photochemical effects of direct laser ablation is used to destroy cancer cells directly. Tumor cells are affected by selective photothermal therapy, which uses a localized dye that absorbs light to boost the laser-induced destruction.

Laser Reconstructive and Aesthetic Surgery

Laser is a powerful tool in aesthetic and reconstructive surgery. Its unique property to target specific layers of tissues and structures makes it an excellent choice for the purpose. Anti-aging treatment has been its latest success in modern medicine. Restorative and plastic surgeons use this technique to grow additional skin, bones or other tissues in the body of the patient. It is a popular method that proves to be really helpful in the fields of pediatric plastic surgeries, burn surgeries and reconstruction of certain body parts. It provides with the almost near match in color and texture of the body.

Varicose Vein Treatment using Laser

Varicose veins are painful, twisted and swollen veins filled with blood. They are often seen being developed in the legs. Small bursts of laser are hit on the surface of the skin which can make the affected veins disappear.

There are several other applications of laser technology in medical procedures like whitening the teeth, removal of unwanted hair, cutting into the tissue and reshaping of the face in procedures of surgery and removal of freckles and wrinkles. The world has seen a very small fraction of the potential of lasers. It has just begun its development, considering it has only started existing since 1960. The momentum with which it is gaining advances in the medical field seems really promising for the future.

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