Sterilization Device Data

SDD identifies a specific sterilization device and its current operational context. It carries the device identifier, name, lot number being processed, data state, and load status. It appears alongside SCD segments in sterilization messages to link cycle data back to the originating equipment.

The device_number field uses the EI (entity identifier) datatype, combining an identifier with a namespace:

from zato.hl7v2.v2_9 import SDD, EI

sdd = SDD()
sdd.device_number = EI(
    entity_identifier='STER-001',
    namespace_id='CSSD'
)

The device_data_state field uses the CWE datatype with HL7 table 0667. Common values include RE (real time) and PD (post data):

from zato.hl7v2.v2_9 import SDD, CWE

sdd = SDD()
sdd.device_data_state = CWE(
    identifier='RE',
    text='Real time',
    name_of_coding_system=(
        'HL70667'
    )
)

The load_status field uses the CWE datatype with HL7 table 0669:

from zato.hl7v2.v2_9 import SDD, CWE

sdd = SDD()
sdd.load_status = CWE(
    identifier='CC',
    text='Cycle complete',
    name_of_coding_system=(
        'HL70669'
    )
)

The lot_number field uses the EI datatype to associate the current processing lot with the device:

from zato.hl7v2.v2_9 import SDD, EI

sdd = SDD()
sdd.lot_number = EI(
    entity_identifier=(
        'LOT-2024-001'
    ),
    namespace_id='CSSD'
)

Zato connects to any system that speaks HL7v2 over MLLP or FHIR over REST. This includes Epic, Cerner, Meditech, Allscripts, and other EHR platforms.

Yes, Zato has built-in MLLP support for sending and receiving HL7v2 messages. MLLP channels handle the framing protocol automatically.

Zato supports HL7 v2.9, which is backward compatible with earlier versions including v2.3, v2.5, and v2.7. Standard segments and datatypes are available as typed Python classes.

Yes. Zato handles both HL7v2 and FHIR natively, so you can parse v2 messages and build FHIR resources with IG-specific extensions in the same service. Typed Python classes are available for both protocols, including extensions from US Core, UK Core, Da Vinci, and other Implementation Guides.