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Vent nomenclature – semantic architecture - “Finite State Model (FSM)” perspective - ArchitecturePowerPoint Presentation

Vent nomenclature – semantic architecture - “Finite State Model (FSM)” perspective - Architecture

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Vent nomenclature – semantic architecture - “Finite State Model (FSM)” perspective - Architecture

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Vent nomenclature – semantic architecture - “Finite State Model (FSM)” perspective - Architecture

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Vent nomenclature – semantic architecture - “Finite State Model (FSM)” perspective- Architecture

J. Wittenber, N. Jones d9w08Mar10

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

- This paper updates the “Finite State Model (FSM)” perspective
- General: Descriptive language
- Architectural
- Graphical
- Relational*, Tabular

- Ontological

- And includes several annotated wave examples from literature for discussion and validation purposes
*Initial harmonization with emerging related standards

- Risk Management for MedDevs in HC IT Networks (ISO/IEC 80001-1)
- Particular requirements for basic safety and essential performance of critical care ventilators (ISO/IEC 80601-2-12)

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

Notes:

1 From “Classes Properties & Attributes of the Elements of Ventilation.xlsx”[Jones/Dain] and related ontology (see slide).

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

- Attribute value sets are taken combinationally to derive an FSM path
- “f(χ)” analogical transfer function, typ. a [low-order ] polynomial, esp. constant or slope @ P, Q, V.
- See slide “Notes” for more definition on Attributes

See Examples (2)

(1)

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

Notes are included in a document construct as follows.

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature

Initiation

Inflation

Transition

Termination

sBT

Q0

VC.

sMode types (i-iii) determine entry condition

(sTinsp may be f(sI:E,1/sRR}

“Time-terminated”

(tbd)

PC

Expiration

“Flow-terminated 3”

PS

(allowing termination by change of patient’s breathing effort)

1,”Volume Support” can be considered as a PS Volume-targeted variation, with ∆sPAW adapted Breath-to-Breath

2 in Propor’l Assist Ventil’n, sPAW may be linear f(inh. effort, e.g. CRG)

3 May be Time- or Flow-terminated, whichever is first

ISO/IEEE11073/IHE/IEC JWG on Vent Nomenclature