- Friday August 31st, 2012
- Posted by: Costas Halambalakis
- Category: blog
ResMed’s sleep apnoea therapy solutions offer a winning combination of advanced performance, reliable comfort, and efficient, user-friendly monitoring. ResMed bilevel devices are ideal if you need positive airway pressure therapy but aren’t a suitable candidate for CPAP therapy. Designed with comfort in mind, a bilevel device from ResMed could offer you a good night’s sleep.
Designed for comfort and efficiency
AirCurve 10 S devices provide fixed two-level pressure support therapy for patients with respiratory failure and/or obstructive sleep apnea. They are suitable for ventilator-independent, spontaneously breathing patients at home. Based on Resmed’s award-winning S9 platform, the AirCurve 10 S devices provide comfortable two-level support therapy with an intuitive and easy-to-use system.
The Lumis™ series of products is ResMed’s mid-level non-invasive ventilation (NIV) device designed to treat non-ventilation-dependent patients with respiratory failure who need the safety of a supportive rate (up to 50 bpm), in the hospital or at home. The Lumis™ Series is suitable for adult and pediatric patients (over 13 Kg) and comes with a range of reliable features and technologies – enhanced in ResMed’s new design and technology device platform to improve patient comfort and therapeutic outcomes.
A key requirement for NIV’s success is to improve patient comfort, compliance, and treatment efficacy through exceptional patient-ventilator synchronization. The VPAP ST device features three unique ResMed technologies that work together to achieve this synchronization.
ResMed‘s Easy-Breathe motor is a low inertia, two-stage motor that rotates at ultra-low speeds, reducing device noise to -24 dBA and providing pressure stability for greater mask-patient synchronization. The motor offers greater reliability and increased durability.
Thanks to a clinically improved Expiratory Pressure Relief (EPR) system, the Easy-Breathe waveform reduces pressure during exhalation providing improved respiratory comfort. The Easy-Breathe waveform synchronizes pressure cycles with the patient’s breathing, providing a natural respiratory rhythm.
The improved AutoSet algorithm
Like its predecessor – the clinically proven AutoSet Advantage algorithm – the improved Resmed S9 AutoSet algorithm still reacts to flow restriction and snoring to deliver optimal pressure. In addition, the new algorithm has the ability to detect central sleep apnea (CSA). Using a unique, event-responsive FOT (Forced oscillation Technique), the algorithm is now able to distinguish between obstructive open airway events and provides different therapeutic responses, as appropriate.
The Vsync feature is an automatic leak management algorithm unique to ResMed’s BiPAP/VPAP devices. It monitors and compensates for leakage by continuously and automatically adjusting baseline flow, which is key to maintaining reliable respiratory activations and cycles. Patient-ventilator synchronization is ensured – even in the event of a large leak.
The TiControl function allows you to set minimum and maximum inspiratory time limits on either side of the patient’s ideal spontaneous inspiratory time. This function provides the patient with a “window of opportunity” to spontaneously transition to the specified expiratory pressure (EPAP).
The TiControl IPAP Max mode can eliminate cycle delay (occurring in high leakage conditions and in patients with obstructive disorders) to provide adequate expiratory time. The TiControl IPAP Min function eliminates the early cycle (which occurs in patients with obstructive disorders) to provide adequate inspiratory time.
ResMed’s unique Adaptive Servo Ventilation (ASV) algorithm for BiPAP/VPAP devices provides customized treatment for patients with central sleep apnea or mixed sleep apnea. To determine the required degree of support, the ASV algorithm continuously calculates target ventilation equal to 90% of the patient’s recent average ventilation. To ensure that ventilation support is synchronized with the patient’s breathing, the AutoSet CS device monitors the patient’s recent average respiratory rate and airflow.
Providing support when needed, the ASV algorithm quickly increases pressure support in response to hyperventilation and decreases it during hyperventilation. Pressure support is reduced to a comfortable minimum value once breathing has stabilized to prevent hyperventilation and hypocapnia.