Before the limited hardware warranty expires, please contact Microsoft Surface Support at 1-866-425-8880 (or replacement number(s) provided by Microsoft) or choose from the.standard business hours. The limited hardware warranty terms for your Microsoft Surface hardware unit are located in the Surface Order Form Terms and Conditions that you agreed to as part of the purchase of your Surface hardware unit.
heparin lock. A device attached to an intravenous catheter to prevent it from clotting. It is used for intermittent administration of fluids or medication. See: heparin lock flush solution; venous access device.
Preparation for Administration. Confirm the choice of the correct Heparin Sodium Injection vial to ensure that the 1 mL vial is not confused with a âcatheter lock flushâ vial or other 1 mL vial of incorrect strength [see Warnings and Precautions (5.1)].