Vacutainer® Luer-Lok™ Access Device - Adapter The BD Vacutainer® Luer-Lok™ Access Device is designed for sterile, secure and safer specimen sampling. This device provides the security of a threaded, locking luer connection—the patented BD Vacutainer® Luer-Lok™ that replaces a luer slip device. The product is also compatible with a female luer connection or needleless IV site designed for luer-lock access, and luer locking Foley Catheter sampling ports.