Bahmni is an open source hospital management system designed for low resource environments. It allows for patient care both inpatient and outpatient, as well as emergency, operation, intensive care, pharmacy and other functions. It also handles administration tasks like billing, inventory, procurement and HR/accounting. Key components include OpenMRS for medical records, OpenERP for administration, and OpenELIS for the laboratory information system. The system is designed to work offline on tablets and computers, with responsive interfaces and AtomFeed integration between components.

1. Bahmni
Hospital system for low
resource environments

2. Hospital Functions
Patient Care
Out Patient
In Patient
Emergency
Operation
Intensive Care
Pharmacy
Administration
Billing
Inventory
Procurement
Human Resources
Accounting
Registration
Case Management
Investigations
Laboratory
Radiology
PACS

3. Constraints
- Hospitals are busy and mobile environments
- Need ability to use few things offline
- Easy to operate
- Overall system is too large

4. Open Source Tapestry
OpenMRS (Medical Record System)
OpenERP
OpenELIS (Lab Information System)

5. Browser
User’s
Machine
HTTP
OpenMRS 2.0 EMR
frontend
(JavaScript, HTML5,
AngularJS)
Server
(Linux)
Apache Web Server
HTTP
OpenMRS Server
(REST API)
Java
OpenMRS DB
(MySQL)
OpenERP Server
(XML-WS API)
HTTP, REST
ATOM
Python
OpenERP DB
(PostgreSQL)
OpenELIS Server
(REST API)
HTTP, REST
ATOM
Java
OpenELIS DB
(PostgreSQL)

6. Some screenshots

7. Registration (OpenMRS)

8. Test Result Entry (OpenELIS)

9. Lab Incharge’s Dashboard (OpenELIS)

10. Billing (OpenERP)

11. Inventory and warehouse management (OpenERP)

12. Key solution elements
- Design for tablets and computers
- Responsive web design
- JavaScript based front end, allows offline
- AtomFeed based integration
- Coarse grained APIs
- Product configuration handled by
OpenMRS/OpenERP. OpenELIS needs to be
enhanced.

13. Bahmni modules UI design
- Responsive web design
- Touch screen (tablet) first mostly
- Registration module is data-entry intensive,
hence designed for computers only

14. Technology Stack
OpenMRS
Java, Relational DB, Hibernate, Custom OSGi
like module system, REST API
OpenERP
Python, CherryPy, Postgres
OpenELIS
Java, Struts, Postgres, Hibernate