PatientOS

1
PatientOS

• Electronic Medical Record

http//www.patientos.org
2
Overview

• Background
• PatientOS v0.89 Features
• Development RoadMap
• Technical Architecture
• Live Demo !

3
PatientOS v0.89

• Open Source healthcare information system
• GNU Public License v3
• Features
• Registration, Scheduling, Reminders, Patient
  Lists.
• Lab result viewing, flowsheet (observation)
  viewing.
• Clinical and Administrative Forms, Templates.
• Physician Order Entry, Prescription Writing.
• Clinical Documentation Inking, Multimedia.
• HL7 Interfaces ADT, Orders, Results,
  Observations, Charges.
• Patient Portal and Email integration.
• Custom reports, batch jobs, data mining.

4
Roadmap

• Release early, release often
• Version 0.12 Nov 2007 Registration Scheduling
• Version 0.4 Jan 2008 Email/Results Portal
• Live! Clinic Indianapolis, IN, USA Jan 2008
• Version 0.51 Feb 2008 Clinical Forms
• Version 0.89 Jan 2009 Multi-facility
  implementation started NM, USA
• Version 1.0 Feb 2009 Physician Office Billing
  and Claims
• Summer 2009 Rehab Long Term Acute Care
  Hospital go live

5
Technical Architecture

• Deployment
• Logical
• Differentiation

6
Distributed System
Windows Linux
PostgreSQL
Mirth
Hibernate (JDBC)
RMI over TCP/IP
JBoss
Oracle (future)
Solaris
Mac
Database Server
ApplicationServer(s)
Fat Clients
HL7, XML
HTTP
X-Win NxClient

Terminal Services
Thin Clients
Patient Portal
External Systems
7
Layered Architecture
Data
DB
Hibernate
JDBC
PatientOS Data Access
Reports
Mirth
PatientOS Business Logic
PatientOS Domain Models
..
Business Logic
PatientOS Service Layer
PatientOS Service Facade
Presentation
PatientOS Dynamic MVC
8
Service Orientated
Data
B I L L I N G
C L I N I C A L
M E D I C A T I O N
O R D E R S
R E G I S T R A T I O N
R E P O R T I N G
S C H E D U L I N G
S E C U R I T Y
S Y S T E M
Business Logic
Presentation
9
Key Benefits of Architecture

• Rich User Experience
• UI without web client limitations
• Flexibility
• Admins learn tools not code
• Admins can customize any form, menu, toolbar
• Simpler to translate
• Manageability
• 350,000 lines of code
• Scalability
• Distributed processing
• Stability
• Pure Java solution , code generation, key design
  patterns

10
Demo

• Registration, Scheduling, Reminders, Patient
  Lists.
• Lab result viewing, flowsheet (observation)
  viewing.
• Clinical and Administrative Forms, Templates.
• Physician Order Entry, Prescription Writing.
• Clinical Documentation Inking, Multimedia.
• HL7 Interfaces ADT, Orders, Results,
  Observations, Charges.
• Patient Portal and Email integration.
• Custom reports, batch jobs, data mining.

11
openEHR Integration
12
Custom Designed Software

• Unlimited number of forms can be created using
  the Form Editor.
• Unlimited number of orders, appointment types,
  resources, or any other entity can be created
  using the respective Editor.
• Every menu and toolbar can be customized per
  user, per role, per group using the Form Editor.
• Every view, table, form, controls can be
  customized per user, per role, per group using
  the Form Editor.
• Custom controllers available to fulfill
  elaborate workflow requirements.

13
Inpatient Example Select Patient
14
Open Chart Quick Access to Form
15
Generic Admission Assessment
16
Arrival
17
Presenting Complaints
18
History - Current Medications
19
History - Vaccines
20
Legal
21
Social
22
Examination
23
New Medications