Amid the global wave of minimally invasive medical care, digestive and urinary endoscopes are evolving toward "more precise, safer, and more efficient" directions. The technological breakthrough of ultra-fine diameter endoscopes is breaking the boundaries of traditional diagnosis and treatment, bringing revolutionary changes to clinical practice. As a "precision window" connecting the human body's lumens with diagnostic and therapeutic operations, the degree of minimal invasiveness of endoscopes directly determines the patient's treatment experience and recovery efficiency. The emergence of 5mm-level ultra-fine endoscopes marks the entry of the digestive and urinary field into a new era of "millimeter-level minimally invasive" technology, completely resolving the dilemma of traditional endoscopes where "trauma and precision are difficult to balance."
Traditional endoscopes are limited by optical components and packaging technology, with a lens diameter often exceeding 10mm. This size presents numerous limitations in clinical application. In gastroenterology, when traditional gastroscopes and colonoscopes enter the esophagus and colon, they easily cause discomfort such as nausea and abdominal pain in patients, leading some patients to refuse routine screening due to fear, which indirectly increases the risk of missed diagnosis of early gastric cancer and colorectal cancer. In urology, lumens such as the ureter and urethra are narrow and structurally complex. Traditional endoscopes are difficult to smoothly reach hidden areas such as the upper ureter and renal pelvis. For lesions such as early ureteral tumors and tiny stones, accurate diagnosis often cannot be achieved, and only open surgery or more invasive minimally invasive surgery can be relied on. This not only prolongs the patient's hospital stay but also increases the incidence of postoperative complications.
With the continuous advancement of optical technology and precision manufacturing technology, enterprises represented by OFILM have launched 5mm ultra-fine endoscope modules, achieving the dual breakthrough of "small size, high image quality, and strong adaptability" through core technological innovation. With a lens diameter of only 5mm, equivalent to the thickness of three stacked A4 papers, it can achieve 4K ultra-high-definition resolution imaging with zero delay and zero interference in signal transmission. This completely solves the industry dilemma of "difficulty in integrated manufacturing and imbalance between image quality and volume" for midstream manufacturers, providing downstream medical institutions with more clinically valuable diagnostic and therapeutic equipment.
The core innovation of this type of ultra-fine endoscope lies in the breakthrough of two key technologies, which are also its core advantages distinguishing it from traditional equipment. First, the ultra-thin resin packaging technology. The R&D team drew on the design concept of the anti-shake structure of mobile phone lenses to achieve triple waterproof sealing in an extremely small space of 0.3mm. Professional tests have shown that it can withstand 10 meters of water pressure for 30 minutes, fully meeting the sterile operation requirements in the digestive and urinary fields. Second, the modular optical path system, which adopts a periscope lens structure. Through bionic design, 12 groups of lenses are compressed to a diameter of 5mm, and the imaging clarity reaches the leading level in the industry, capable of clearly capturing early cancerous tissues of 0.08mm, which is invisible in traditional equipment.
In clinical application, ultra-fine endoscopes have shown significant advantages. A top three-grade A hospital in the Yangtze River Delta has greatly increased the annual inspection volume of the Department of Gastroenterology and the proportion of early cancer detection through new equipment equipped with such modules. In urology, this type of endoscope can easily enter the narrow segment of the ureter, realizing accurate diagnosis and minimally invasive treatment of stones and early tumors, avoiding the large trauma of traditional open surgery. At present, the clinical application of related urinary system endoscopes has covered more than 20 provinces and cities in China, and has been exported to Southeast Asia and other regions, winning wide recognition from clinical experts and patients.
Looking to the future, with the continuous integration of precision manufacturing, optical communication and other technologies, ultra-fine endoscopes will move towards the direction of intelligence and integration. It is expected that in the next 3-5 years, 3mm-level ultra-fine endoscopes will be put into clinical application, which can further reduce patient discomfort and improve the detection rate of early lesions. At the same time, the combination with artificial intelligence technology will realize intelligent identification of lesions and auxiliary diagnosis, helping clinicians make more accurate judgment and promoting the continuous development of minimally invasive diagnosis and treatment in the digestive and urinary fields.
