October 02, 2025

China's first autonomy pH tester came out in Beijing

Launched by Beijing Changan (Group) Henderson Electronics Co., Ltd., the HYW-type upper digestive tract pH dynamic tester, the first domestically developed device with independent intellectual property rights for diagnosing gastric and esophageal reflux disease, has been in use in Beijing for eight years. This innovative medical equipment represents a significant milestone in China's healthcare technology, offering an advanced solution for detecting and managing conditions related to acid reflux. The instrument is designed to continuously monitor the pH levels in both the stomach and esophagus over a 24-hour period. It uses analog-to-digital conversion to record and store data through a microprocessor, which is then analyzed and processed by a computer system. The results are presented in various formats, including statistical tables, histograms, and trend graphs. This enables clinicians to obtain objective and quantitative insights into long-term pH fluctuations within the body, greatly enhancing the accuracy of clinical diagnosis. This device plays a crucial role in diagnosing and researching complex conditions such as reflux-related respiratory diseases, non-cardiac chest pain, and throat disorders caused by gastroesophageal reflux. It provides a reliable diagnostic tool for patients who experience symptoms of reflux but show normal esophageal mucosa during endoscopy. By offering a more accurate and objective assessment, it helps improve treatment outcomes and patient care. Internationally, the instrument is recognized as the preferred method for diagnosing gastroesophageal reflux disease (GERD). It has undergone rigorous clinical testing at renowned institutions such as the Third Affiliated Hospital of Peking University Medical College, Beijing Children’s Hospital, and Chaoyang Hospital. Additionally, it has received positive evaluations from experts in the field of digestive diseases under the Chinese Medical Association. The device now matches the performance of similar imported systems, filling a critical gap in the domestic market and marking a major advancement in China’s medical technology sector.

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