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.
Heparin lock flush is used for: Preventing blood clots from forming in intravenous (IV) lines or catheters. Heparin lock flush is an anticoagulant. It works by preventing blood clots from forming in intravenous lines when they are not in use. Do NOT use heparin lock flush if: