Transcript SOMNOcheck micro small two Channel Screening device for the wrist

SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
SOMNOcheck micro
small two Channel Screening device for the wrist
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SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
SOMNOcheck micro
handy sleep diagnostic
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© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
SOMNOcheck micro 2009
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System SOMNOcheck micro
Pulse
oxymeter
Basic unit
with display
Nasal
cannula
Wrist band
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
SOMNOcheck micro 2009
Features of SOMNOcheck micro
 Uncomplicated and easy diagnostics for sleep related breathing disorders
 Innovative Puls-Wave-Analysis (PWA)
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Differentiated and high-quality information
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Differentiation between obstructive and central apnea, hypopnea
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Sleep fragmentation
 Results are shown on the display directly after recording – No PC required
 RAG rating for just in time risk evaluation
 Fault tolerant system
 Reliable and significant results
 RAG = „traffic light like display“
• RED
• AMBER
• GREEN
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SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
Application
• Worn like a watch
• No effort belts required
• Only two sensors
• Intuitive application
• Wrist band also suitable for sensitive
skin
• Easy cleaning of wrist band
• Ideal for people who usually sleep in
frontal position
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SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
Displayed values
SOMNOcheck micro shows the results of the recording by RAG rating. With this
system a quick overview is warranted.
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SOMNOcheck micro 2009
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Overview results
Window
Analysis time insufficient
in case neither pulse oximetry nor flow-signal were
present for more than 2 hrs.
Risk for sleep disturbances
Displays, if there is a risk for sleep disturbances
Respiratory events
Apnea/Hypopnea-Index
Obstructive Apnea/Hypopnea-Index
Central Apnea/Hypopnea-Index
Autonomic arousals
Autonomous Arousal-Index
Respiratory Autonomous Arousal-Index
Respiratory Effort Related Arousal-Index
Displayed values
Source
Analysis time
insufficient
Analysis of artefact-free recording time
per signal
Low / Medium / High
RAG rating:
Green, Amber, Red
Analysis of record, Indices of AHI, RDI,
AAI
AHI
OAHI
CAHI
Flow-signal (AHI) – if afflicted with
artefacts: pulse wave analysis (RDI)
RDI
ORDI
CRDI
AAI
AAI resp
RERAs
Pulse oxymetrie signal
Pulse oxymetrie signal
Pulse oxymetrie signal und flow-signal
SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
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Overview results
O2 saturation
Desaturation-Index
Average oxygen saturation
Minimum oxygen saturation
Others
Snore
Average pulse rate
Recording time
Analysis time
In case one of the two signals was present for less
than 4 hrs, (i.e. lots of artefacts in the recording) an
additional window will inform the interpreter of the
artefact-free time of each signal
Erase Data
Drops
Average
Min
Pulse oxymetrie signal
Snore
Pulse av.
Rec.time
Flow-signal
Pulse oxymetrie signal
Analysis of artefact-free recording time
Flow
Pulse
Analysis of artefact-free recording time
per signal
To erase press button
for 3 sec
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
SOMNOcheck micro 2009
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Risk for sleep disturbance
 The risk is shown by simple RAG rating
 Risk Level: LOW, MEDIUM, HIGH (Green, Amber, Red)
 Evaluation of risk:
• The recorded parameters Apnea/Hypopnea-Index (AHI/RDI) and Autonomous
Arousal-Index (AAI) define the risk.
• The concept of „worst case“ is used.
AHI / RDI < 10/h
AAI < 30/h
AHI / RDI 10 – 15/h
AAI 30 - 40/h
AHI / RDI >= 15/h
AAI >= 40/h
SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
SOMNOcheck micro – Highlights 1
 Identification of central Apnea/Hypopnea, for the first time, with a small diagnostic
device on the wrist.
 RAG rating for fast interpretation
 Easy and quick identification of patients with a high risk for sleep related breathing
disorders (SRBD)
 sophisticated results for disease specific referral
 Evidence for sleep disorders by arousals and autonomic RERAs
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SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
SOMNOcheck micro – Highlights 2
 reliable because of automatic and qualitative self estimation of results
 One-button-operation: easy access to detailed results
 function control with online displayed pulse and flow
 smart, lightweight and comfortable – uncomplicated screening at home
 valide analysis: sensitivity 96,2%, specifitivity 91,7%
 quick an easy documentation by report
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SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
Patient‘s instructions
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© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
SOMNOcheck micro 2009
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Pulse wave
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The pulse wave is measured by the optical methode of Photoplethysmography. The procedure is
already known from pulse oxymetrie.
Pulse waves are affected by:
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Rhythm (heart rate), Regularity (changes or stability of frequency), Blood vessel filling,
Amplitude, Slew rate (shape of the curve), Dikrotie (second peak of the peripheral pulse
wave), Stiffnes (duris or mollis)
Respiratory events and arousals induce characteristic changes in the pulse wave. Although the
intrathoracic pressure changes are minor, the effect is consistently seen in a peripheral pulse
trace.
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With an innovative algorithm and the characteristics of the pulse trace it is possible to detect the
events.
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A distinction between obstructive and central events is also realised in SOMNOcheck micro. This
is a very good option for disease-specific referral.
Characteristics of pulse wave
Volume
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Reflektion
PWA
Pulsfrequenz
Time
SOMNOcheck micro 2009
© WEINMANN GERÄTE FÜR MEDIZIN GMBH+CO.KG
Thank you
for your attention!
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