Related Experiment Video
Updated: May 10, 2026

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
Published on: January 7, 2019
Abstract:
Historically, invasive, large incisions were necessary to perform "open" abdominal surgical procedures. While effective, this method increased the possibility of multiple complications, including post-operative pain, wound infection, incisional hernia and prolonged hospitalization. Concerns over the rate of complications and morbidities led surgeons to develop laparoscopic surgical techniques, in which operations in the abdomen are performed through small incisions as opposed to larger, open incisions across the surgical site. There was a continuous effort to minimize the number of ports, and finally single incision laparoscopic surgery (SILS) came into practice. Sils without frills is a concept where multiple ports are made in a curved 2.5 cm incision in a triangle. The chopstick method is used to minimize instrument and telescope clash during the procedure. Standard laparoscopic instruments are introduced along with a 30 ° telescope. Instrument clashes are avoided by chop stick technique of crossing them at a proximal point so that ends are away from each other. Dissection takes place in forward backward movement after making lateral retraction by the other instrument. With experience the operative time is expected to become comparable with conventional laparoscopic cholecystectomy. But benefits regarding post operative pain in SILS has not been confirmed. It is felt that expertise and reduction of operative time may reduce post operative pain. No special telescopes, ports or hand instruments are needed for this procedure but may have a role in advanced laparoscopic procedures.
Related Concept Videos
Characteristics of Dry Friction
Before the wheelbarrow starts moving, the static frictional force acts tangentially to the contact surface, opposing the force that is about to induce the motion. This frictional force prevents the...
Dry Friction
To illustrate this concept, imagine a wooden crate resting on a rough, non-uniform horizontal surface. When an external force is applied to...
Static Friction
For example, consider a scenario where a truck is connected to a car by a rope, ready to tow it along a road. When no external force is applied by the truck, the car remains stationary and is said to be in static equilibrium. In this case, the forces acting on the car, such as gravity and the...
Small interfering RNAs (siRNA)
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the ATP-dependent...
Lossless Lines
Rolling Without Slipping

