Application Of Trocars in Laparoscopic Surgery
Apr 27, 2026
Application of Trocars in Laparoscopic Surgery
Baihe Medical
2025年3月1日 07:50
广东
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Laparoscopic surgery is a surgical method that utilizes various technologies such as camera systems, cold light sources, and electrocoagulation systems to establish operating channels at the surgical site using various types of punctures, and then uses slender endoscopic instruments to diagnose and treat internal lesions. It has the advantages of minimal trauma, minimal bleeding, mild postoperative pain, small scars, short hospitalization time, and fast recovery, which is a revolutionary progress in the development of surgery.
Trocar is a surgical instrument that pierces the abdominal wall and allows other surgical instruments to enter the body cavity. It is an essential tool in laparoscopic surgery, used by specialists to puncture the abdominal cavity, deliver gas to the abdominal cavity, and establish a channel for endoscopes and surgical instruments to enter and exit the abdominal cavity from the outside.MechanismThe mechanism of a puncture device is to puncture the skin into the abdominal cavity using a puncture core, thereby establishing a working cavity for abdominal surgery using a puncture sheath.Structural compositionThe trocar consists of a trocar needle, a sealing cap (which is non-removable in type A), a gas-blocking valve, a gas-injection valve, and a trocar sleeve. 1- Trocar needle 2- Sealing cap 3- Gas-blocking valve 4- Gas-injection valve 5- Trocar sheath When in use, the trocar needle and trocar sheath penetrate the entire abdominal wall together, leaving the trocar sheath on the abdominal wall. The function of the trocar sheath is to allow various surgical instruments to enter the abdominal cavity, and doctors can perform surgical operations to complete the surgery.
Main application departmentsGynecology: hysterectomy, myomectomy, oophorectomy, ectopic pregnancy surgery, fallopian tube surgery, infertility exploration, pelvic floor dissection, etc.Hepatobiliary surgery: cholecystectomy, common bile duct stone removal, liver resection, hepatic cyst fenestration and drainage, liver abscess drainage, biliary enteric drainage, etc.Urology: nephrectomy, adrenalectomy, ureterolithotomy, etc.Gastrointestinal surgery: subtotal gastrectomy, appendectomy, ulcer perforation repair, intestinal adhesiolysis, colorectal tumor resection, etcGeneral Surgery: Hernia Repair, etc.
