Synchronise ventilation to patient effort.

 

 

	Microvent...
•	Initial concept
•	Control when you need it
•	General features
•	Control of microVENT responder
•	Automatic time cycled resuscitation
•	Manual control trigger
•	Anti-air-entrainment valve
•	Patient assist SIPPV
•	Airmix
•	How do I choose?
•	Comparison table

The microvent® Advanced Models are fitted with a patient assist feature. This is designed so that if a patient "connected" to a microvent® (in its automatic mode) makes a spontaneous breathing effort, the microvent® will detect this and assist their breathing by applying the prescribed inspiratory volume synchronised to their inspiratory effort. The diagram above illustrates this function. The blue waveform represents airway pressure, with internal lung pressure represented by the red line. The negative pressure generated spontaneously by the patient has resulted in a synchronised inspiratory cycle. The lower waveform represents flow. The faded waveform represents the non-synchronised inspiration that would have occurred. The assist ensures that even a patient with a shallow breathing effort will receive the required ventilation in a comfortable manner. This contrasts with a demand valve system that may only supply the volume the patient demands, microvent® is designed to supply the volume your patient requires.

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UK Patent No.2270629. USA Patent No. 5537999 & 5351361. Canada Patent No. 2107358. European Patent No. 0578679.