OsmoPRO MAX Automated Osmometer User Guide
86
Purpose
This appendix describes the bidirectional TCP/IP
communication link between an OsmoPRO MAX
osmometer and a laboratory information system (LIS) or
host computer.
This document is intended for the information systems
professional responsible for developing a middleware
driver
or application residing on the host computer.
Overview
The OsmoPRO MAX can be connected to a LIS to
exchange information. The OsmoPRO MAX supports
bi-directional and uni-directional communication
protocols from CLSI:
•
CLSI LIS01-A2 Specification for Low-Level Protocol to
Transfer Messages between Clinical Laboratory
Instruments and Computer Systems; Approved
Guideline-Second Edition (2008)
•
CLSI LIS2-A2 Specification for Transferring
Information between Clinical Laboratory Instruments
and Information Systems; Approved Guideline-Second
Edition (2004)
The communication link allows the host computer to
transmit sample work orders to the instrument and
accept test results transmitted from the instrument The
host work orders provide sample information to the
instrument software, but do not select the parameters to
be measured. The instrument has only one possible
measurement cycle.
The type of protocol used is selected from the LIS/LAN
screen accessed from the SETTINGS menu in the
software user interface, as explained in
.
The instrument software can be configured to
automatically transfer available results to the host, or to
manually transfer results to permit the operator time to
review the data and release the samples. In bidirectional
mode, the Instrument system can request sample work
order information from the LIS when needed.
The LIS can also initiate sending sample work order
information to the Instrument in advance of sample runs.
The information is parsed and stored in the system for
later use. An automatic request for sample information is
generated when a system measurement cycle starts and
no existing sample ID work order or sample record exists
in the system.
Basic Operation
Bidirectional Mode
The instrument can be configured to expect download of
sample work orders from the LIS. In this mode, the
Instrument receives work orders at any time and stores
them for matching with a sample presented for test. If no
order is found, the Instrument queries the LIS for an
order matching the sample presented. The instrument
still sends a result record even if no matching work order
is found.
The instrument also responds to queries from the LIS in
this mode. It sends back work orders and result records
matching the appropriate fields in the query record.
Unidirectional Mode
The instrument can be configured to send a result record
without matching it to a sample work order. A default
work order is made up just to satisfy the LIS2-A2
protocol.
Automatic Mode
The instrument can be configured to send a result record
as soon as a test is completed without operator
intervention. This mode works with either bidirectional
mode or unidirectional mode as described above.
Appendix E:
OsmoPRO MAX LIS
Specification
