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P1847 Location Services (LS) for Healthcare

Explore the background, motivation, and common framework of location services in healthcare, including various system types and technologies. Understand the benefits, challenges, and solutions of location services in healthcare settings.

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P1847 Location Services (LS) for Healthcare

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  1. P1847 Location Services (LS) for Healthcare EMB-SC Presentation 11 June 2019

  2. Agenda • Background • Motivation • Common Framework

  3. 1. Background

  4. Background: Primary Contacts • Working Group Officers • Andrew Mazotas Chair • Scott Phillips Vice Chair • Matt Mick Secretary • IEEE-SA Sponsor POCs • Carole Carey EMB Standards Committee Sponsor Chair • Emily Sopensky RFID Sponsor Chair • IEEE-SA POCs • Tom Thompson Program Manager

  5. Background: History • Group Formation • Feb 2014 Intelligent Hospital Symposium, Orlando • Jun 2014 IEEE Exploratory RTLS Webinar • Aug 2014 IEEE Exploratory RTLS Face-to-Face, IL • Dec 2014 IEEE PAR LSH P1847 Approved • Mar 2015 IEEE-SA LSH Rename and Co-Sponsorship • Development • Jun 2015 Face-to-Face Working Group, NJ • Dec 2015 Initial Development, Virtual • Mar 2016 Review Working Group, Virtual • Aug 2016 Ad hoc Reviews, Virtual • Apr 2017 Face-to-Face Working Group, DC • Sep 2017 Face-to-Face Working Group, CA • Feb 2018 Face-to-Face Working Group, CA • Jun 2018 Review Working Group, Virtual • Jan 2019 Working Group eBallot Approval • Apr 2019 EMB Approval • May 2019 Sponsor Ballot Open

  6. 2. Motivation

  7. Motivation: Location Services (LS) • Multiple System Types • Indoor Positioning System (IPS) • Global Positioning System (GPS) • Location-Based Services (LBS) • Real-Time Locating System (RTLS) • Multiple Technologies • Infrared (IR) • Ultrasound (US) • Passive RFID • Ultra Wide-Band (UWB) • Etc. Here it is! Tag

  8. Motivation: Use Cases - Examples

  9. Motivation: Deployment Example • Example Niche Solutions in Single Hospital • Mobile Assets – Active Wi-Fi + IR • Immobile Assets – Passive UHF • Cath Lab Supplies - Passive HF • Instruments- 2D Barcodes • OR Staff/Patients – Active 900MHz + Ultrasound • Hand Hygiene Staff – Active 433MHz + LF • Long Term Care – Ultra Wide Band • Issues • Redundant • Costly • Interactions difficult

  10. Motivation: Lack of Interoperability Example IR Beacon Vendor A IR Beacon Vendor B 433MHz Access Point Vendor A 900MHz Access Point Vendor B Tag 1 Tag 2

  11. Motivation: Location as a Service LS CMMS EMR Other Service Bus

  12. 3. Common Framework

  13. Common Framework: Objectives • Improve interoperability • Help to avoid costly redundancy of converging products • Maximize reuse and utility of the functionality • Improve consumer confidence

  14. Common Framework: Approach • Std A • Std F • Std B • Common • Framework • Create Common Framework • Conceptual Information Model • Formal and Systematic Terminology • Standards built on the Framework • Recommended Practice for LSH Location Accuracy User Acceptance Test • Standard for LSH Use Case Definitions • Standard for LSH Location Data Management • Standard for LSH Blended multi-technology infrastructure • Standard for LSH Embedded LSH into devices • Standard for LSH Integration of outdoor/indoor mobile location • Standard for LSH Associations/Interactions between tags • Etc. • Std E • Std C Start Here • Std D

  15. Common Framework: Terminology • area • action • accuracy • constraint • clinical • event • event history • locatable • locatable category • locatable positioning initiation • locatable positioning power • locatable-position accuracy • locatable-subject association • location • location naming coordinate convention • location naming symbolic convention • location naming relative convention • location coverage • location-enabled application • location-enabled application type • location interpretation • location quality of service • location service • location system of record • location symbolic hierarchy • locatable-position • non-clinical • position • positioning behavior • positioning computation • positioning engine • positioning method • association • chokepoints • precisely • presence-based • room • sub-room • positioning infrastructure • positioning infrastructure scope • positioning infrastructure model • positioning technology • positioning transformations • positioning reconciliation • positioning process ownership • positioning ranging technique • position-location mapping • precision • refresh rate • rule • service method • subject • subject system of record • subject-location • subject-location accuracy • subject-location history • subject-location latency • subject-location resolution • subject-locatable mapping • telemetry • telemetry history • trueness • use case

  16. Common Framework: Model

  17. Common Framework: Mapping to Reality Framework Purchase #1: Vendor A RTLS Hand Hygiene Niche • Hand Hygiene Staff Tags • IR / 433MHz • Hand Hygiene Application • Clinical Workflow Application • Clinical Workflow Tags • IR / 900MHz • Engine Purchase #2: Vendor B RTLS Clinical Workflow

  18. Common Framework: Mapping to Reality • App 3 • App 2 • App 1 • App 4 E A B C E D Middleware Vendor 1 E Type Interface • Engine • Access Points • Tags Vendor 2 Vendor 2 • Engine • Beacons • Tags

  19. Common Framework: Mapping to Reality # Layer Name • Example Issues • Map and Space File Duplication • Historical Location Data Storage Duplication • Alert capabilities Redundant • Location Engine handled by multiple entities • Blurring between CMMS and RTLS Asset Tracking • Everyone wants to be the platform • Accuracy needs varies by use case, no provenance • And many more… CMMS RTLS Software Future Location-Enabled Apps 6 5 Location Service Wi-Fi RTLS Hardware Location Interpretation 4 Space Management Positioning Engine 3 Positioning Infrastructure 2 Locatable 1

  20. Available Stepping forward…Location is not full Context Location correlates to Status Pump LS Status Clean Utility Dirty Utility Patient Room Pump • In Use • Dirty A101 A102 A103 • Was it really “In Use” or “In Patient Care Area”? • More data • Output from device • Association of Patient and Device

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