Technology of fiber laser for medical diagnosis
The use of fiber laser marking systems has promoted the advancement of animal health care.
In order to copy the data matrix code on a polypropylene medical diagnostic equipment, IDEXX Laboratories researched and tested various methods such as direct object marking, inkjet and silk screen, and finally chose to use fiber laser technology. Many animals around the world, some of which have suffered from serious diseases before, can be correctly diagnosed and treated using laser-marked medical equipment.
IDEXX Laboratories of Westbrook, Maine, USA provides innovative products and services for veterinary, food and water diagnostic applications. The company uses laser-marked SNAP equipment to diagnose fatal and critical illnesses worldwide and save lives. The company's pet and horse business combines biotechnology with medical equipment, information and software to help veterinarians provide high-quality medical care for animals around the world. Its food and water operations use efficient technology to monitor livestock and poultry and ensure the safety of public water and milk.
IDEXX also provides a series of bench-top laboratory equipment to analyze blood chemistry case samples. Its VetLab software synthesizes equipment, patient records and outpatient management software for seamless information flow.
Innovative SNAP diagnostic instrument can be used to detect Lyme disease, heartworm, canine flagellum, parvovirus, and other deadly diseases in cats, dogs and farm animals. These diseases start as parasites, and then spread around the world, infected The vast majority of mammals pose a major threat to animals.
The device has many advantages over traditional diagnostics, including ease of operation, low cost, and better animal health. IDEXX's patented clinical trial equipment is based on the most advanced ELISA technology. Each SNAP device is coated with an antigen or antibody to detect the presence of animal diseases such as heartworm, canine ehrlichia, Lyme disease and parvovirus, and feline AIDS and feline leukemia. The dairy department also uses the device to detect β-lactam in milk and SNAP readers to detect T4 and cortisol. The device provides the fastest, most accurate, and easy-to-use method for the industry to conduct rapid testing; all devices can provide results within ten minutes.
SNAP equipment is usually intuitively explained by a veterinary technician. IDEXX tried to make the product compatible with diagnostic readers, and specified a method to allow the reader to identify the device before analysis processing. After studying the various possibilities of this process, laser marking technology has become a more advantageous option than traditional methods, and the data matrix is ​​selected to provide high contrast for polypropylene equipment. The SNAP polypropylene device activates the liquid path and displays the results through color development.
After extensive testing to obtain the best results for laser parameters, cycle and readability, the Cognex Machine Vision system and Lasit USA laser systems were selected as components of this integrated laser marking system. There are currently seven systems integrated into one production line, fiber lasers are used to produce high-contrast data matrix symbols, and other lasers are used to mark letters and numeric characters, and the name of the product is marked on each device. This set of equipment reads the data matrix symbol to identify the product, and diagnoses by explaining and developing the spots.
Data matrices are now used in many industries, such as the Department of Defense, automotive, aerospace, tools, and electronic devices.
Industries that need to trace the entire life cycle of parts and automatically identify parts through supply chain operations can benefit from this technology.
Unlike other marker types, the data matrix can still be read even if it is damaged by more than 30%. Nowadays, there is such a trend: by extending the whole use process of a certain part, it can be recognized in the whole cycle process. Traceability also ensures that each part does its job in the correct order. In addition to eliminating human errors, direct part mark recognition can be used for data collection for safety, responsibility, quality assurance, and regulatory requirements. It can also be used for permanent identification of parts to prevent theft and forgery of parts.
When asked why he chose laser marking technology over other technologies, Pete Boillard, a senior engineer at IDEXX Laboratories, said: "After studying all our optional technologies, we have selected the data matrix symbol and the fiber laser marking has also become Excellent choice. The advantage of fiber laser is that we can copy a high-resolution data matrix, assemble it into a very small space (not more than 2.66mm), and use Cognex system to read the information. In addition, the laser will not appear any Blooming, and provides traceability with extremely high contrast. Technologies such as inkjet, direct object marking, silk screen printing, and CO2 laser have all been studied initially, but the results are not satisfactory. Low resolution, blooming, or low contrast allow These technologies are eliminated. "
On the IDEXX production line, fiber lasers have many advantages. In addition to its high reliability and 24 × 7 uninterrupted service life of more than 100,000 hours, its compact design allows it to synthesize seven systems with a small footprint. In addition, the 110-volt voltage requirement is more environmentally friendly than traditional Nd-doped yttrium aluminum garnet technology, which can save thousands of dollars in electricity costs.
Talking about the true value of laser technology, Jim Ross, procurement manager of IDEXX Laboratories, said: "The Lasit USA system eliminates human error by ensuring high contrast and consistent results, and records the results to create significant added value for our customers. In addition, laser marking It saves the technician ’s time, improves the actual results for IDEXX customers, and provides a complete integrated system for veterinarians. "
With the SNAP equipment now achieving machine identification, laboratory technicians only need to prepare samples and load them into the device. The device starts to run and will be explained when everything is ready. The results are included in the medical record for veterinary use. The small barcode carries the SNAP device and brings it to the digital world.
IDEXX's SNAP equipment can now reliably diagnose many infected animals, many of which are misdiagnosed. In the past, many of these diseases were difficult for veterinarians and clinics to diagnose correctly, because clinic staff usually did not receive the best training to diagnose these elusive infectious diseases. Due to the different expertise of different laboratories, many infectious diseases have not been correctly diagnosed.
Marco Ievoli, general manager of Lasit USA, stated: "Although we have manufactured and tested some other lasers such as carbon dioxide lasers, green lasers and YVO4 lasers, we have found that fiber lasers have small spots, high reliability, and are very compact, which is most suitable for IDEXX production lines. "
We are all happy about the safety and health of our pets, and it is companies like IDEXX that provide us with excellent medical technology to extend animal life.
The author Robin Barbero is the executive vice president of Lasit USA.
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