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Laparoscopic surgery

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Gallbladderop

Cholecystectomy as seen through a laparoscope


Laparoscopic surgery, also called minimally invasive surgery (MIS), bandaid surgery, keyhole surgery, or pinhole surgery is a modern surgical technique in which operations in the abdomen are performed through small incisions (usually 0.5-1.5cm as compared to larger incisions needed in traditional surgical procedures.

InstrumentsEdit

Electrosurgical devices are commonly used in laparoscopic procedures. The key element in laparoscopic surgery is the use of a laparoscope.

LaparoscopeEdit

A laparoscope consists of a telescopic rod lens system, that is usually connected to a video camera.

Carbon dioxide gasEdit

The abdomen area is usually insufflated. Therefore carbon dioxide gas is used to create a working and viewing space.

This gas. is common to the human body and can be absorbed by tissue and also removed by the respiratory system.

PropertiesEdit

Carbon dioxide gas is important because the abdomen is essentially blown up like a balloon (insufflated), elevating the abdominal wall above the internal organs like a dome.

It is also non-flammable, which is important because of the electrosurgical devices which are commonly used in laparoscopic procedures.

Cable connectionEdit

Electrosurgical devices are attached to a fiber optic or Optical fiber cable, where ever required.

The system also is connected to a 'cold' light source (halogen or xenon), to illuminate the operative field, inserted through a 5 mm or 10 mm cannula or Trocar to view the operative field.

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