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Products / Resmon PRO FULL (V3) forced oscillation technique
Forced Oscillation Technique

Resmon PRO FULL (V3) forced oscillation technique

Forced Oscillation Technique (FOT) made easy.

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The Resmon PRO FULL (V3) is the latest addition to a great family of FOT, or Oscillometry devices.
The Resmon PRO FULL (V3) can measure the function of the respiratory system with a simple, effort-independent assessment. With a few normal tidal breaths it can detect airways obstruction, localizing it as peripheral, and central or heterogeneous patterns. In adults, presence and degree of tidal Expiratory Flow Limitation (EFL), through a patented, unique algorithm, is a useful parameter in COPD and pulmonary rehabilitation.

With such versatility, the Resmon PRO FULL (V3) is ideal for virtually any testing environment, including pulmonary laboratories, private offices, remote sites and for clinical trials or research studies. 

  • Uses the latest adult and pediatric normal reference sets from published literature, including the new Ducharme et al (Ped. Pulm, 2022) that allows testing of children with the multi-frequency 5-11-19Hz.
  • Requires minimal subject cooperation which is a significant advantage with pediatric or critically ill patients.
  • Data is obtained during normal tidal breathing while standard PFT's require maximal or forced maneuvers that are unfamiliar to patients.
  • With the recent 2020 ERS “Technical standards” (Reference : G. King et al - European Respiratory Journal, 2020; 55: 1900753 - Technical standards for respiratory oscillometry ) there are now official thresholds and cut-offs for bronchodilator response, making it possible to use it in routine daily clinical testing.
  • Patented expiratory flow limitation technology (EFL) quantifies the degree of obstruction through changes in reactance during the breath cycle.
  • 3 modes of operation: multi-frequency (5-11-19hz) for adults and children, single frequency for very obstructed adults (5Hz) and single frequency (8Hz) for pediatrics which allows to testing from very young children, and offering the older Pseudo Random Noise
  • Quantitative evaluation of changes of FOT parameters pre-post administration of drugs, or over time (trending capability)
  • Degree of heterogeneity of the airways obstruction is measured through the analysis of the frequency dependence of the resistance, Ax and resonance frequency*. Evaluation of hyperinflation and restriction patterns, through the Slow Vital Capacity testing.*

*Parameters and functionalities not yet cleared by the US FDA and available only internationally.

FDA 510 Clearance: K152585

Designed and manufactured by RESTECH Srl, Milano, Italy (, distributed exclusively by MGC Diagnostics Corporation

“Within-Breath”Analysis of Breathing Patterns at Fast Sampling Frequency

  • Real-time display of resistance (R), reactance (X) and flow
  • Accurate measurement of inspiratory, expiratory and total parameters 
  • Full respiratory pattern parameters measurement and reporting 

Three Measurement Modes:

  • Single frequency mode options of 5, 6, 8, 10 Hz (for children, severely obstructed patients and special research purposes) 
  • Innovative “enhanced optimized” multiple frequency mode of 5-11-19 Hz 
  • “Enhanced optimized” Pseudo Random Noise (PSN) of 5-37 Hz 

Exclusive “10 Accepted Breaths” Mode With Automatic End-of-Test

  • Comfortable testing for the patient with an automatic discard of non-physiological and non-coherent breaths 
  • Operator accessible screen, post-test to view and edit accepted as well as discarded breaths
  • CV% (coefficient of variation) within-measurement and within-session with color coded warning for optimal quality control
  • Z-score for predicted normal value % calculation

Automatic Adjustment and Detection

  • Automatic adjustment based on patient impedance, auto adjustment of stimulus amplitude during the first three breaths for optimal patient comfort 
  • Patented, automatic detection and quantification of Expiratory Flow Limitation with ΔXrs index graph and % of Flow Limited breaths (FL%), also used for pre-post bronchodilator or pre-post treatment testing 
  • Minimal Dead Space

Only 35cc of dead space 

Comprehensive set of measurements for Lung Volumes, Spirometry & Diffusion

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