Aseptic non-invasive valsalva maneuver apparatus and method for enhancing echocardiographic diagnosis

Abstract

An aseptic, non-invasive Valsalva Maneuver (VM) apparatus and method are presented for enhancing echocardiographic diagnoses performed by sonographers. The apparatus is designed to improve evaluation and optimize the assessment of cardiovascular conditions such as Hypertrophic Cardiomyopathy (HCM), Patent Foramen Ovale (PFO), and Diastolic Dysfunction, where precise diagnostic measurements are critical for clinical management and treatment decisions. The device comprises two modules: a top module equipped with a digital display and a controller for real-time pressure data processing, and a bottom module housing a pressure transducer. A flexible tube with a mouthpiece is connected to the transducer, enabling the patient to perform the VM. The modules are magnetically coupled, with connector pins in both modules enabling reliable data transfer. For infection control, the bottom module, along with the flexible tube and mouthpiece, is designed for single-patient use and is disposable after each procedure, thereby maintaining aseptic conditions and preventing cross-contamination.

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