US Patent 12023159 Blood draw syringe with hemolysis protection

A blood collection device may include a syringe with hemolysis protection. The syringe with hemolysis protection may be coupled to a catheter assembly and used for blood draw. The blood collection device may include the syringe, which may include a distal end, and a flow restrictor. The flow restrictor may include a distal end and a proximal end. The proximal end of the flow restrictor may be coupled to the distal end of the syringe, which may protect against hemolysis.