Product Specification

Product details

The disposable trocar serves as a crucial tool in various surgical procedures, composed of stainless steel for the cannula and plastic for the awl and seal. Different surgical requirements demand different materials for these components, including stainless steel options such as 304, 316L, L605, Ni-Ti, and plastic materials like ABS resin, silicone, nylon, and polycarbonate (PC).

Manners Technology offers customizable disposable trocars to meet diverse surgical needs, varying in diameter (typically from 5mm to 15mm) and length (ranging from 75mm to 150mm). Our trocar portfolio includes a variety of designs such as bladeless trocars, which split tissue fibers upon insertion; dilating tip trocars, which feature a sharp, flat-bladed tip with a spring-loaded shield; and blunt tip trocars with suture stays for secure fixation to the abdominal wall.

Despite the trocar's seemingly simple structure, stringent manufacturing requirements apply to each component. For example, the stainless steel portion of the trocar must have a high degree of brightness with no spots, contaminants, scratches, scrapes or gouges larger than 0.01 inch. This level of quality cannot be achieved with post-electrolytic polishing and requires the use of superior materials in the welding and stretching of the tubing.

Manners Technology processes these stainless steel tubes on a Sliding Headstock Lathe after brightness is achieved. The small holes at both ends of the tubes must not have overly sharp edges or burrs larger than 0.01 inch. For this reason, Manners uses a Japan Citizen Cincom L12-1M7 to deburr and smooth the edges immediately after machining the small holes. Machining and deburring occur simultaneously on the machine, improving efficiency and product accuracy.

To ensure a high quality finish and hygiene, the trocars are electropolished and ultrasonically cleaned after machining. Electropolishing enhances the smoothness and brightness of the stainless steel components, while ultrasonic cleaning effectively removes contaminants, ensuring thorough cleanliness even in the smallest crevices.

Trocars then undergo plastic injection molding to seamlessly integrate stainless steel and plastic components. This process fills a metal mold cavity with liquid plastic resin, which solidifies to form the desired plastic part. Our injection molding process produces custom prototypes and final production parts with lead times as short as one day, using aluminum molds for cost-effective tooling.

The trocar's tip, typically made from materials like Makrolon 2458 or Lexan HP1(R), must be optically transparent and free from shrinkage, voids, or imperfections like spots, impurities, scratches, or bubbles. This is critical for laparoscopic procedures, ensuring clear tissue identification during the initial entry into the tissue layer.

At Manners Technology, inspection is an integral part of the entire manufacturing process. Our products are rigorously inspected for burrs, cracks, pits, machining marks, and dirt, with special emphasis on inspecting for any debris inside the steel tubes (typically done manually). We remain committed to delivering trocars of the highest quality, meeting stringent standards in cutting edge, point, handle, smoothness, dimension, and raw materials.