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digital pressure is applied to the abdominal wall, which can be seen indenting the anterior gastric wall by the endoscopist. transillumination (diaphanoscopy): the light emitted from the endoscope within the stomach can be seen through the abdominal wall. a small (21G, 40mm) needle is passed into the stomach before the larger cannula is passed.
Access instrument. Used to create an opening into a space without opening the abdominal cavity. A camera is inserted through one to view the interior while instruments are inserted through the others to manipulate the organs. Ultrasonic energy device Surgical device typically used to dissect tissue, but also seals small vessels and tissue bundles
An endoclip is a metallic mechanical device used in endoscopy in order to close two mucosal surfaces without the need for surgery and suturing. Its function is similar to a suture in gross surgical applications, as it is used to join together two disjointed surfaces, but, can be applied through the channel of an endoscope under direct visualization
A composite overwrapped pressure vessel (COPV) is a vessel consisting of a thin, non-structural liner wrapped with a structural fiber composite, designed to hold a fluid under pressure. The liner provides a barrier between the fluid and the composite, preventing leaks (which can occur through matrix microcracks which do not cause structural ...
Prior to the description of the Seldinger technique, sharp trocars were used to create lumens through which devices could be passed. This had a high rate of complications. [ 4 ] However, with the introduction of the Seldinger technique, angiography became a relatively risk-free procedure, and the field of interventional radiology blossomed.
Various scalpels. A surgical instrument is a medical device for performing specific actions or carrying out desired effects during a surgery or operation, such as modifying biological tissue, or to provide access for viewing it. [1]
Pressure can be applied to gastric and esophageal varices by balloon inflation and traction. [1] Linton tube, with a large gastric balloon, and gastric and esophageal aspirates; Minnesota four-lumen tube, with esophageal and gastric balloons, and esophageal and gastric aspirates.
It is a variation on the duodenal switch surgery, incorporating a vertical sleeve gastrectomy with a gastric bypass technique. [1] The SADI-S is a type of bariatric surgery with a single surgical anastomosis. It has a restrictive component when reducing the greater curvature of the stomach, but especially a malabsorptive component, as the ...