iot @ aarhus university hospital. tuesday 18/iot in modern healthcare...aarhus university hospital -...
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IoT @ Aarhus University HospitalCreating a transparent hospital and optimising patient flow
Mikkel Harbo, Director, [email protected]
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1. Background - in hospital logistics & research
2. Digitalisation - of the hospital service functions
3. Scaling up – the IoT capabilities
Contents
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1. Background – in hospital logistics & research
3
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Wireless data capture
Vendor neutral archive
Medical Device Integration
Personal medical record
Telemedicine
Columna CitizenTelemedicine
Citizen record
Social services
Housing
Aids & equipment
Columna CuraSocial & elderly care
Columna CISClinical Information System
Systematic in Healthcare
Columna FlowPatient Flow Management
Patient record
Medication
Paitent administration
Booking
Patient Flow
Clinical Logistics
Service Logistics
Wayfinding
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Wireless data capture
Vendor neutral archive
Medical Device Integration
Personal medical record
Telemedicine
Columna CitizenTelemedicine
Citizen record
Social services
Housing
Aids & equipment
Columna CuraSocial & elderly care
Columna CISClinical Information System
Systematic in Healthcare
Columna FlowPatient Flow Management
Patient record
Medication
Paitent administration
Booking
Patient Flow
Clinical Logistics
Service Logistics
Wayfinding
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Activities in hospitals generate Big Data
Analysis of data set with collection of 10 days of data :
▪ 12,000 smartphones detected
▪ 1 billion Wi-Fi hotspot connections
PosLogistics – the first research project (2011-2014)
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1. Motion trajectories are calculated▪ Machine Learning classifies common routes
2. Transportation mode detection▪ Machine Leaning classifies the modes
3. Combined to estimates of travel times for transport tasks ▪ Optimal task start times are calculated
Logistics from data analysisPosLogistics – the first research project (2011-2014)
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A world of possibilities with localisation
How do we ensure…
▪ synergy between projects ?
▪ flexibility to change solutions and prioritization ?
▪ independence and ability to focus on the end goal ?
43+ Projects
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Solve the Integration challenge XXXX
Search
Way Finding Bed flow Trolley flow Patient flow
XX
XX
Tracking Technologies
End user systems
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Solve the Integration challenge XXXX
Search
Way Finding Bed flow Trolley flow Patient flow
XX
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Tracking Technologies
End user systems
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Solve the Integration challenge XXXX
Search
Way Finding Bed flow Trolley flow Patient flow
XX
XX
Tracking Technologies
End user systems
Integration of identification, location and tracking
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Patient Hansen with electronic tag (A)
Orderly Jens with smartphone (B)
Bed with Wi-Fi-tag (C)
Integration System for Tracking and Identification
Staff with Patient Record
Person with smartphone
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Patient Hansen with electronic tag (A)
Orderly Jens with smartphone (B)
Bed with Wi-Fi-tag (C)
Integration System for Tracking and Identification
Staff with Patient Record
A is at position 34,56,3
C is at position 34,56,3
B is atposition 26,67,2
Person with smartphone
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Patient Hansen with electronic tag (A)
Orderly Jens with smartphone (B)
Bed with Wi-Fi-tag (C)
Integration System for Tracking and Identification
Staff with Patient Record
Person with smartphone
A is at position 34,56,3
C is at position 34,56,3
Patient Hansen is in bed B722 in wake-up room
R115
B is atposition 26,67,2
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Patient Hansen with electronic tag (A)
Orderly Jens with smartphone (B)
Bed with Wi-Fi-tag (C)
Integration System for Tracking and Identification
Staff with Patient Record
Person with smartphone
Patient Hansen is waking up
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Patient Hansen with electronic tag (A)
Orderly Jens with smartphone (B)
Bed with Wi-Fi-tag (C)
Integration System for Tracking and Identification
Staff with Patient Record
Person with smartphone
Where is the closest Orderly?
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Patient Hansen with electronic tag (A)
Orderly Jens with smartphone (B)
Bed with Wi-Fi-tag (C)
Integration System for Tracking and Identification
Staff with Patient Record
Person with smartphone
Where is the closest Orderly?
Orderly Jens is in room R17
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Patient Hansen with electronic tag (A)
Orderly Jens with smartphone (B)
Bed with Wi-Fi-tag (C)
Integration System for Tracking and Identification
Staff with Patient Record
Person with smartphone
Standardized interface
Standardized interface
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Reference architecture for object location and identification
Layer 5: User SystemsUsing tracking data
Layer 4: Integration System for Tracking and IdentificationCollecting, enriching, and exposing relevant tracking data
Layer 2: ReadersPhysical recording of movement and events
Layer 1: Mobile objectsPhysical objects carrying id-tags or sensors
Layer 3: Tracking SystemsFiltering and exposing tracking data
Layer 4 = Columna IoT Platform
Decouples tracking technologies and user systems
Standardised (GS1 / EPCIS 1.0)
Efficient and reliable access tracking data
National
reference
architecture
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2. Digitalisation of the hospital service functions
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Columna Service Logistics
Searching Beds Trolleys Transporing CleaningTasking
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Columna Service Logistics
Searching Beds Trolleys Wayfinding DomesticsTasking
Columna
Task
Columna
Cleaning
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Service Logistics – where does it fit in?
Overall planning and management of logistics to support patient flow
Service Logistics
In-patient Examination Operation Aftercare Discharge
Patient transport
Patient assist Transport – the last 50mGoods, SamplesMedicine, FoodBlood
Waste handling
Cleaning
Bed handling
Goods Waste Medicine EquipmentSterile goods
Food
Tasks
Tasks
Linen handling
Supply logistics
Equipment handling
Maintenance
Clinical logistics
Patient flow
Supply chain
Clothing, linen
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1 to 1 communication
No transparency!
The challenge
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Transparency & Empowerment
Tasks
SimplicitySimplicity
The solution
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Columna Task
RequestorOrder tasks
Edit / cancel tasks
Monitor tasks
Book | Start | Complete tasks
Register tasks
Reject tasks
Orderly
Orderly staff room
Tasks
Manager
Reporting
Supervisor
Overview of task execution
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Many users… Many tasks … help is needed !
Tasks completed per month (January 2019)Unique requesters
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Many users… Many tasks … help is needed !
Tasks completed per month (January 2019)Unique requesters
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▪ Situation
▪ Organized in ”silos”
▪ Activity levels / productivity varies
▪ Problem
▪ Periods of high/low workload are hard to discover
▪ Redistributing the workforce is difficult
▪ Solution
▪ Real time prediction of workload
▪ Foresight of ”surplus” and ”shortage”
-1t
+2t
+4t
+2t
-3t
Workload Forecast
Columna
Cleaning
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Machine learning - What is that?
Labelled historic data
Algorithm
Prognose
New data
AB
Finds (automatically) patterns / relations in data
Stores and uses relations
Prognose
Model
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Can we predict the ad-hoc tasks?
# Daily
ad-hoc tasks
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Can we predict the ad-hoc task?
Time
of dayAverage
prediction
error
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Average forecast error: 1,3 tasks
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Build-in forecasting capabilities in Hospital Logistics
Forecast platform
Patient flow in hospitals
Inpatient Length Of Stay
Acute overcrowding of hospital
departments
DIY Machine Learning
support
Clinical Logistics EHRPatient flow (Beta) Service Logistics
Workload & tasks in Service Logitics
✔✔Likely hood of re-admission
1 2 3
DABAI – the second research project (2016-2020)
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3. Scaling up – the IoT capabilities
45
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6S
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X/Y
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$R
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1.2
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Wireless data capture
Vendor neutral archive
Medical Device Integration
Personal medical record
Telemedicine
Columna CitizenTelemedicine
Citizen record
Social services
Housing
Aids & equipment
Columna CuraSocial & elderly care
Columna CISClinical Information System
Systematic in Healthcare
Columna FlowPatient Flow Management
Patient record
Medication
Paitent administration
Booking
Patient Flow
Clinical Logistics
Service Logistics
Wayfinding
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End User Systems
Clinicians
Columna FlowA Future Patient Flow Management Solution
Master Data Systems & Services
Citizens Assistants
Self service
Self registration & Queing
Columna Wayfinding(Web app, smart phone app; Self-service terminal)
Columna Signage (Digital signage)
Clinical Logistics Service Logistics
Columna Cleaning (plan digitalisation, execution)
Columna Bed(stock, location, task, status)
Columna Trolley(location, task, timing)
Columna Patient Flow(Ward & Hospital conference)
Columna Forecasting (AI)(Pt. flow Regional-Hospital-
ward levet; Patient stay: length; readmission risk)
IoT Platform
Location Track Routing
Tasking, Messaging and Locating
Physician Tasking(Hospital@Night)
Columna Clinical Logistics(nurse-patient-bed)
Service Tasking (cross hosp. tasking)
Results (lab results)
Columna Now (RTLS)(locationing)
Secure Messing(Hospital@Night)
Patient home transport (3. party transporting)
Communication
Tasking Messaging Organisation
Mobile first - HL7 Smart on FHIR - Pervasive RTLS - Fit for purpose design paradigm
Columna Alarm (RTLS)(Par level; Geofencing)
Machine Learning Forecasting Platform
Flow Stay Work load
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End User Systems
Clinicians
Columna FlowA Future Patient Flow Management Solution
Master Data Systems & Services
Citizens Assistants
Self service
Self registration & Queing
Columna Wayfinding(Web app, smart phone app; Self-service terminal)
Columna Signage (Digital signage)
Clinical Logistics Service Logistics
Columna Cleaning (plan digitalisation, execution)
Columna Bed(stock, location, task, status)
Columna Trolley(location, task, timing)
Columna Patient Flow(Ward & Hospital conference)
Columna Forecasting (AI)(Pt. flow Regional-Hospital-
ward levet; Patient stay: length; readmission risk)
IoT Platform
Location Track Routing
Tasking, Messaging and Locating
Physician Tasking(Hospital@Night)
Columna Clinical Logistics(nurse-patient-bed)
Service Tasking (cross hosp. tasking)
Results (lab results)
Columna Now (RTLS)(locationing)
Secure Messing(Hospital@Night)
Patient home transport (3. party transporting)
Communication
Tasking Messaging Organisation
Mobile first - HL7 Smart on FHIR - Pervasive RTLS - Fit for purpose design paradigm
Columna Alarm (RTLS)(Par level; Geofencing)
Machine Learning Forecasting Platform
Flow Stay Work load
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Hospital size
▪ 10.000 employees
▪ 500.000 m2
▪ 980 beds
▪ ~ 800.000 ambulant visits
▪ ~ 90.000 admissions
▪ ~ 80.000 operations
Aarhus University Hospital - in numbers
Status on the IoT implementation
IoT penetration
▪ + 3.000 Passiv RFID antennas and a Cisco network
▪ +4.500 tagged trolleys
▪ +1.250 tagged medical equipment (potential + 40.000)
▪ 1.000 + tagged beds
▪ 500 + tagged employees (next step 2.000 more)
▪ 100.000 tagged clothes items
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Contact information
Mikkel Harbo, +45 2544 2803, [email protected]
Thank you
… hear more at Stand 25