Laparoscopic Trocar Prices and Placement Guide for Laparoscopic Surgery

What are laparoscopic trocars?

A laparoscopic trocar is a medical instrument used in laparoscopic surgery or abdominal puncture procedures. It is primarily designed to create a pathway through the abdominal wall, allowing surgical instruments to access the abdominal cavity more conveniently for operations or diagnostic examinations. Laparoscopic trocars are available in two types: disposable and reusable. Reusable trocars are now rarely used. Disposable trocars are typically made of medical-grade plastic, which is low-cost, sterile, and intended for single-patient use, effectively preventing cross-contamination. Reusable trocars are usually made of metal, but they pose challenges such as inconvenient sterilization, a higher risk of puncture injury, and potential cross-infection, which is why most hospitals today rarely use reusable trocars.

Where and how to use Trocars in Laparoscopic Surgery？

The placement of trocars is the primary consideration when selecting access routes in laparoscopic surgery, which differs from incision selection in open surgery. Open surgery typically follows the principle of the shortest distance, choosing incisions closest to the target site. In laparoscopic surgery, however, trocars need to maintain a certain distance from the surgical site to allow sufficient working space and accommodate the length of the instruments. Trocar entry points are generally arranged around 0.2–1.5 cm from the surgical area, ideally parallel to skin lines, but there are no strict requirements for the diameter of the ports, and the principle of the shortest distance does not need to be followed.

The following summarizes the optimal trocar placements for various laparoscopic surgeries based on the experience of multiple surgeons.

Trocar Placement for Laparoscopic Appendectomy

Laparoscopic appendectomy typically uses a three-port approach to minimize incision size. A 12 mm trocar is inserted approximately 1 cm above the umbilicus as the camera port, providing a clear view of the abdominal cavity. A 5 mm trocar is placed at the left McBurney’s point to assist in exposing the appendix and ensure adequate working space. A 10 mm trocar is inserted along the right mid-axillary line at the level of the umbilicus as the main operating port, allowing the surgeon to perform dissection and suturing efficiently.

Trocar Placement for Laparoscopic Cholecystectomy

Laparoscopic cholecystectomy also employs a three-port configuration. A 12 mm trocar is placed about 1 cm above the umbilicus as the camera port, giving the surgeon a clear view of the gallbladder and surrounding structures. A 10 mm trocar is positioned 2–3 cm below the xiphoid process as the main operating port for gallbladder removal. A 5 mm trocar is inserted at the intersection of the right midclavicular line and the costal margin as an auxiliary port, allowing placement of atraumatic graspers or other instruments to improve maneuverability and safety.

Trocar Placement for Laparoscopic Right Hemicolectomy

For laparoscopic right hemicolectomy, a five-port setup is commonly used to accommodate complex maneuvers. A 12 mm trocar is placed just below the umbilicus as the camera port. A 10 mm trocar is positioned at the lateral one-third point of the line between the left anterior superior iliac spine and the umbilicus, serving as the main operating port for the surgeon standing in the central position. A 5 mm trocar is placed opposite this main port as a secondary port. Another 10 mm trocar is inserted approximately 3 cm below the left midclavicular line for the surgeon’s left-side position, with a symmetric 5 mm trocar on the opposite side serving as the assistant’s port. The placement of ports can be adjusted according to the tumor’s location to ensure optimal surgical access.

Trocar Placement for Laparoscopic Left Hemicolectomy

Laparoscopic left hemicolectomy also uses a five-port configuration. A 12 mm trocar is placed above the umbilicus as the camera port, providing a global view of the abdominal cavity. A 10 mm trocar is inserted at the right lower abdomen McBurney’s point as the main operating port. A 5 mm trocar is positioned 4–5 cm above the umbilicus along the right midclavicular line as an auxiliary port. On the left side, a 10 mm trocar is placed at the lateral one-third point of the line between the anterior superior iliac spine and the umbilicus as the assistant’s main port, and a 5 mm trocar at the midpoint of the line from the pubic symphysis serves as the assistant’s secondary port. Port placement can be flexibly adjusted based on the tumor’s location to meet surgical needs.

Trocar Placement for Laparoscopic Rectal Cancer Resection

Laparoscopic rectal cancer resection also uses a five-port setup. A 12 mm trocar is placed above the umbilicus as the camera port for visual control. A 10 mm trocar is positioned about two fingerbreadths inside the right anterior superior iliac spine as the main operating port. A 5 mm trocar is inserted at the right midclavicular line at the umbilical level as an auxiliary port; in shorter patients, this port may be moved 3–4 cm upward for easier access. On the left side, a 10 mm trocar is placed at the midpoint between the left anterior superior iliac spine and the umbilicus as the assistant’s main port, and a 5 mm trocar is positioned approximately two fingerbreadths above the pubic symphysis as the assistant’s secondary port. Specimens can be extracted through a transverse or longitudinal extension of the incision by 5–6 cm, or via a preventive colostomy site. Port placement can be flexibly adjusted according to the tumor’s location.

Laparoscopic Trocar Price

The price of laparoscopic trocars varies widely depending on the model, condition, type, and size, generally ranging from $35 to over $350 per unit. Disposable or smaller trocars (e.g., 5 mm) are more affordable, while advanced reusable stainless steel or specialized bladeless and optical trocars tend to cost more. Common price ranges include: basic reusable stainless steel models (5–12 mm) at approximately $40–50 per unit, branded second-hand models (e.g., Karl Storz, Olympus) from $35–200+, disposable trocars typically sold in boxes of 6 for $1,200+ (about $200 per unit), and bulk or specialized reusable models as low as $38–43 per unit.

References:

1.Zhang Congrong, Zhang Zhiqiang, Zhu Anlong. Basic Principles of Laparoscopic Surgery [J]. Chinese Journal of Practical Surgery, 2019, 39(04): 394-396.

2.Wang Qiusheng. Basic Principles and Fundamental Techniques of Laparoscopic Surgery [J]. Journal of Clinical Surgery, 2007(09): 586-588.

3.Wu Jitao, Fan Jie, Liu Haitao, Zhu Yiyong, Xia Shujie. Study on Laparoscopic Access Routes and Trocar Placement Design [C]. Proceedings of the 12th National and 7th Global Chinese Urology Academic Conference (Middle Volume), 2005: 376-377.