Stryker has discovered (via complaint trending initiated February 2022) that any one of the following product markings on the Triathlon® primary and Tritanium tibial baseplates listed above may be incorrect: catalog number, lot number, and/or size (2 through 7). As a result, the product markings on the part may not match the catalog number, lot number, and/or size on the corresponding package and patient label. Although the product marking on the devices may be incorrect, the device within the packaging matches the actual size that is on the corresponding package and patient labels. Recall start date: Mar 7, 2022