Laser Surgery

Laser Surgery

Write briefly on Laser.
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Write a short note on Laser in surgery.

Answer. Molecules are placed in a compact area and power is passed through this to activate the molecules.

Molecules get activated at different periods and move in different directions, which they hit to each other releasing energy.

This energy is allowed to act through the optical system to the area, wherever required. It is named depending on the molecules used:

• Argon Laser.
• Neodymium Yttium Aluminum Garnet Laser (Nd: YAG Laser)
• CO2 Laser.
• Neon Laser.
• Holmium Laser.
• Erbium Laser.

Uses Of Laser

• In cranial surgery in children.
• In ENT it is used to treat vocal cord lesions and laryngeal lesions.
• In ophthalmology, it is very useful in retinal surgery
• In general surgery:
  • In bleeding duodenal ulcer.
  • For palliative decoring of tumors in carcinoma esophagus.
  • In carcinoma of the rectum.
  • In the treatment of hemorrhoids (first and 2nd degree).
  • In resection of bladder tumor.
  • In cervical cancer.
  • To achieve a bloodless field.
  • Often making incisions in the abdomen and other places.

Laser Precautions

• All reflecting instruments should be avoided otherwise laser gets reflected and injures normal tissues or the working team in the OT
• All should wear protective spectacles to their eyes.

Laser Advantages

• Provide bloodless field
• It is fast
• Small lesions can be removed easily and completely.

Laser Disadvantage

Availability and cost factors.