Advance Medical Technology-Laser Therapy

Introduction: A laser is a light beam that can be  precisely focused, which is used to treat tissue by heating the targeted cells until they "burst".This method is called Laser therapy.Laser surgery is the medical procedure that uses the laser light to remove the diseased tissue or treat bleeding.The colour of light beam used is directly related to the type of surgery and colour of the tissue being treated.
Types of Laser:

1.  Carbon dioxide(co2) laser
2. Ytrium Aluminium Garnet(YAG) laser
3. Pulsed dye laser

Uses of Laser surgery

• close small blood vessels to reduce blood loss
• close lymph vessels to reduce swelling and decrease the spread of tumor cells
• close nerve endings to reduce pain that occurs after the surgery
• remove tumors such  as those in brain and liver.
• reduce skin wrinkles, scars and other  skin blemishes
• remove warts, moles and tattos
• remove hair

Risks of laser therapy

Possible risks of laser therapy includes following:

• bleeding might occur
• incomplete treatment of the problem
•  spread of infection in neighbouring cells
• pain
• scarring
• change in skin colour due to the side-effect of laser beam