MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641044098 A) filed by Saveetha Institute Of Medical And Technical Sciences, Chennai, Tamil Nadu, on April 7, for 'siluvax-yankauer tube with integrated time and pressure indicator.'
Inventor(s) include Dr. Yamini Umasankar; Dr. Christo Ajai Siluvai; and Dr. Deepak Nallaswamy Veeraiyan.
The application for the patent was published on May 29, under issue no. 22/2026.
According to the abstract released by the Intellectual Property India: "The invention relates to an improved Yankauer suction device integrated with a built-in time and pressure indicator module designed to enhance safety, precision, and clinical efficiency during airway suctioning procedures. The Yankauer suction tube, a widely used medical device for clearing secretions, blood, and debris from the oral cavity and airway, is valued for its rigid design, ease of handling, and adaptability in surgical and intensive care settings. However, conventional Y ankauer tubes lack feedback mechanisms to regulate suction duration and negative pressure levels, which can lead to mucosal injury, hypoxia, or atelectasis when excessive suction is applied, and ineffective secretion removal when suction is inadequate.The present invention incorporates a compact monitoring module equipped with a pressure sensor, timer, and visual/audible alann system to provide real-time feedback on suction parameters. The system continuously tracks suction activation, displays instantaneous pressure and elapsed suction time on an LED/LCD interface, and aletts clinicians when preset safety limits are exceeded.The time indicator aids in maintaining safe suctioning duration per evidence-based guidelines, preventing prolonged hypoxia and tissue damage. The pressure indicator ensures negative pressure remains within recommended limits, reducing the risk of mucosal trauma and improving secretion clearance efficiency. The indicator module is detachable and reusable, making it compatible with both disposable and reusable Yankauer tubes, and can be powered via a rechargeable battery or directly from the suction unit power supply.Overall, this innovation enhances patient safety, procedural awareness, and clinical precision, promoting standardized suctioning practices in intensive care units, operating rooms, and emergency departments."
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