What Is a Laparoscopic Trocar?

A laparoscopic trocar is a specialized medical device designed to provide safe and precise access to the abdominal cavity during minimally invasive surgeries. It serves as a key entry point through which instruments such as laparoscopes, scissors, and graspers are inserted, allowing surgeons to perform procedures with minimal tissue trauma and maximum control. In this article, we will introduce the AJP laparoscopic trocar, highlighting its features, applications, and advantages for efficient and safe surgical performance.

What Is Laparoscopy?

Laparoscopy is a minimally invasive, low-risk procedure used for surgeries within the abdominal cavity. This technique allows surgeons to examine and treat internal organs through one or more small incisions, avoiding the need for large surgical cuts.

During the procedure, a laparoscope, a long, thin instrument with a high-resolution camera at its tip, is inserted into the abdomen. The camera transmits real-time images to a monitor, which gives the surgeon a clear and detailed view of the internal organs. A fiber optic light connected to the laparoscope ensures optimal illumination, improving visibility throughout the surgery.

Many procedures, including hernia repair, gastric bypass, gynecological surgeries, and the removal of organs such as the gallbladder, appendix, or spleen, are commonly performed using laparoscopy.

Advantages of Laparoscopic Surgery

The advantages of laparoscopic surgery include:

• Less postoperative pain
• Shorter hospital stay and recovery time
• Reduced scarring
• Lower risk of infection
• Faster return to normal activities

What Is a Laparoscopic Trocar and Why Is It Essential in Surgery?

A laparoscopic trocar is a specialized surgical instrument designed to create a safe and precise entry point into the abdominal cavity during laparoscopic surgeries. In simple terms, it is a pen-shaped device with a sharp, triangular tip used to puncture the abdominal wall and provide access for surgical instruments.

Through this access port, various laparoscopic tools, such as the laparoscope, scissors, and graspers, are inserted to perform the surgery. The primary purpose of a trocar is to ensure safe entry with minimal trauma to the fascia and surrounding organs.

Each trocar also features a gas port that allows controlled transfer of carbon dioxide into the abdominal cavity. This process creates enough working space for the surgeon to see the internal organs clearly and perform the operation more effectively.

Trocars are available in various sizes, typically ranging from 3 mm to 15 mm, and the appropriate size is selected by the surgeon based on the type and location of the surgery.

Modern trocars are engineered to require less force during insertion, significantly reducing tissue damage and postoperative pain while promoting faster healing.

Types of Laparoscopic Trocars

Laparoscopic trocars are available in different designs depending on the method of tissue entry. The two main types are:

1-Cutting Trocar

Cutting trocars feature sharp metal or plastic blades designed to easily penetrate multiple layers of tissue with minimal pressure. The trocar’s design ensures smooth entry into the abdominal cavity. It reduces both the insertion time and the effort required by the surgeon.

2-Dilating (Non-Cutting) Trocar

Dilating trocars have flat or blunt tips that gently separate tissue layers rather than cutting them. While they minimize the risk of accidental organ injury, they require greater force for insertion, which can sometimes lead to secondary discomfort or pain after surgery.

Disposable vs. Reusable Trocars

Laparoscopic trocars are manufactured as either single-use (disposable) or reusable instruments. Although reusable trocars may appear more cost-effective at first, their maintenance requires ongoing expenses for cleaning, sterilization, and packaging.

In contrast, disposable trocars eliminate the risk of cross-contamination between patients and provide a higher level of safety and convenience in the operating room. That’s why disposable trocars are now widely used in hospitals and surgical centers.

Key Specifications of Laparoscopic Trocars

Laparoscopic trocars are designed to:

• Provide safe and efficient access to abdominal organs with minimal risk of infection or tissue injury
• Ensure a clear and complete view of the surgical site throughout the procedure
• Enable immediate detection of potential injuries or complications during surgery
• Allow quick and precise repair of intraoperative injuries with minimal side effects
• Offer optimal dimensions for ease of use and compatibility with standard laparoscopic instruments
• Feature a sharp and accurate tip that creates the necessary entry space smoothly and safely
• Include a non-reflective inner surface to eliminate light reflection from the laparoscope and provide excellent visibility for the surgeon

Different Sizes of AJP Trocars

AJP laparoscopic trocars are available in various standard sizes to meet the diverse needs of different surgical procedures. Each size is designed for specific applications, ensuring precision, safety, and comfort for the surgeon and the patient alike. Available sizes include:

• 5 mm Trocar
• 10 mm Trocar
• 12 mm Trocar

AJP 5 mm Laparoscopic Trocar

Asia Jarah Pishro Co. proudly presents the AJP 5 mm trocar, designed to ensure maximum comfort for the surgical team and optimal performance in all laparoscopic procedures. With its ergonomic, safe, and highly functional design, this trocar provides the surgeon with reliable and precise access to the abdominal cavity.

Equipped with an advanced flow control valve, it allows efficient regulation of laparoscopic gas entry and exit. The secure one-way valve system also enables smooth insertion and removal of instruments without gas leakage throughout the surgery.

The sharp, well-engineered tip ensures effortless tissue penetration with minimal trauma to the fascia, helping reduce post-operative pain and healing time.

By creating adequate surgical space and offering a clear, unobstructed view of the operating field, the AJP 5 mm trocar supports the highest standards of laparoscopic performance.

Applications of a 5 mm Trocar

The 5 mm trocar is one of the most widely used sizes in laparoscopic surgery due to its versatility and minimal invasiveness. It is commonly employed in gynecological and urological procedures, where precision and small incisions are essential.

In addition, this size is frequently used in a variety of general laparoscopic surgeries across different parts of the body. It offers surgeons flexibility while minimizing patient discomfort and recovery time.

Key Advantages of AJP Trocars

The AJP trocars are designed to provide surgeons with maximum comfort, control, and safety during laparoscopic procedures. Their advanced features include:

• Locking system with a key and detachable handle for precise control and excellent stabilization
• Sharp, ergonomic blade for smooth tissue penetration with minimal fascia damage
• Blade safety cover to ensure secure handling
• Convenient handle design for ease of use during long procedures
• Flow control valve for safe and efficient management of laparoscopic gases
• Optimal length to accommodate various surgical needs
• Transparent cannula for improved visibility
• Triangular-tip cannula for better instrument connection and smooth movement
• Grooves and ridges on the cannula to prevent unintended movement during surgery
• Maintains a sealed condition throughout the procedure to prevent gas leakage
• Cost-effective design that combines performance, safety, and reliability

Main Components of Trocars

Laparoscopic trocars are composed of three essential parts, including:

1-Cannula

The cannula is the main shaft inserted into the patient’s abdominal cavity. It provides a stable passage for surgical instruments and can be made from metal or medical-grade plastic, depending on the model.

2-Sealing Valve

Located at the top of the cannula, the one-way sealing valve prevents gas from escaping the abdominal cavity while allowing smooth insertion and removal of instruments.
Multiple valve types are available, including spring, magnetic, trumpet, silicone, and more, each offering unique characteristics in terms of leakage prevention, ease of operation, and placement on the cannula.

3-Obturator

The obturator is the pointed inner component that guides the cannula through the abdominal wall. It facilitates safe and precise initial penetration, reducing tissue trauma and ensuring a controlled entry into the cavity.

Trocar Placement Method in Laparoscopic Surgery

Laparoscopic procedures begin under general or local anesthesia, ensuring the patient’s comfort and safety.

Once anesthesia is administered, a small skin incision is made near the navel, sized to accommodate the trocar. The anterior abdominal wall is gently lifted using hands or forceps, and the trocar is inserted at a 90-degree angle with a slight rotational motion toward the pelvic cavity.

Next, carbon dioxide gas is introduced through the trocar to expand the abdominal cavity, providing the surgeon with a clear and unobstructed view of internal organs. In some cases, gas is first delivered via a Veress Needle before trocar placement.

Following this, a laparoscope with an attached camera is inserted to display real-time images of the organs on a monitor. Additional surgical instruments, such as biopsy tools, staplers, and cauterizing devices, are then introduced through other trocars to perform the required procedures safely and efficiently.

At the conclusion of surgery, all instruments are carefully removed, and the small incisions are sutured and dressed.

Potential Risks of Laparoscopic Trocar Use

Laparoscopic surgery has revolutionized many surgical fields. It offers minimally invasive procedures with faster recovery and reduced pain. However, like all surgical procedures, laparoscopy carries potential risks, including:

• Vascular injury
• Perforation of abdominal organs, such as the intestines
• Bleeding at the trocar insertion site
• Skin infection at the incision site

Although serious complications like vascular or visceral injuries are rare, they can be life-threatening if they occur.

Proper surgical technique, trocar selection, and adherence to safety protocols are essential to minimize these risks and ensure the safest possible outcomes for patients.