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Virat Enterprises - Laparoscopic Trocar Cannula 20mm Stainless Steel Reusable Instruments.A Laparoscopic Trocar Cannula (20mm, Stainless Steel) is a larger-sized trocar system used in specialized laparoscopic procedures where access for larger instruments is required. Like smaller trocars, it consists of a trocar (for penetrating the abdominal wall) and a cannula (a hollow tube to maintain access). The 20mm size allows for the introduction of more substantial instruments into the body cavity. Here are its specific uses:1. Introduction of Larger Instruments:The 20mm diameter is larger than standard trocars (usually 5mm or 10mm), and is typically used for introducing larger laparoscopic instruments, such as specimen retrieval bags, morcellators (for breaking down tissue during extraction), or surgical staplers.2. Specimen Extraction:During laparoscopic procedures, especially when large organs or tissues are removed (such as during a laparoscopic hysterectomy, splenectomy, or colorectal surgery), the larger cannula size allows for the extraction of larger tissue specimens without having to extend the incision, maintaining the minimally invasive approach.