UDI GS1 code editing method of jet printer and laser machine

The UDI (Unique Device Identification) Medical Device Unique Identification System is a unique medical device identification system created and managed by the FDA (US Food and Drug Administration). All UDI, used to fully identify medical devices in the process of distribution and use, will be issued by the system operated by the FDA approved distributor, which is the electronic ID card of medical device products. To fully achieve the above purpose, most medical devices should include a manual-readable and machine-readable, unique medical device.

The UDI is a unique numeric or alphanumeric code consisting of two parts, containing:

Device identifier (DI), fixed part, mandatory.

Production Identifier (PI), Variable Part, non-mandatory.

The data carrier of UDI GS1 code that can be implemented in the inkjet machine or laser machine identification device is one-dimensional code and QR code.

The following editing example of GS1 DataMatrix coding commonly used to collect UDI, explains how to edit GS1 code by the jet jet printer or laser machine: When entering the DM code text content, the front end insert “~1”, identifying this is the code in line with GS1 format, and pay attention to the following situations:

The first case: When there is no fixed-digit field, you need to add “~1” after it to identify the end of this field. The 8004 and 8095 AI fields (application identifiers) are indefinite in length, so “~1” is added later, with the following examples.

When entering the DM code, the input content is as follows:

The second case: when the AI is a fixed length field, only the whole text to the most front plus “~1”, the following examples.

When entering the DM code, the input content is as follows:

About the AI field (application identifier) length can be queried in the public GS1 encoding rule.

After editing, the Chinese-coded APP read is correct for the above two examples.

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