Cath-Loc HGS: Heparin（500U／ml）/Glycerol Catheter Lock Solution. The antithrombic characteristics of heparin plus the viscous nature of glycerol is combined in a solution to promote and extend the patency of vascular catheters. Proven as the solution of choice in studies in catheterized animals*, Cath-Loc HGS solution acts as a non-toxic anticoagulant lock solution for indwelling catheters. This formulation is the most widely used as a pre-clinical catheter lock.
研究报道，用肝素化的甘油溶液封管，在动物血管内留置7天、14天、21天、28天可达到100%的再通，见下表黄色部分。