Satinsky Debakey Vascular Clamp For Vena Cava Small Size 9 3/4" is precisely designed for partial or total occlusion of blood vessels, especially the vena cava. The toothed tips of the instrument ensure a secure but gentle grip on the blood vessels, preventing any trauma or complication.Satinsky Debakey Vascular Clamp For Vena Cava Small Size 9 3/4" is precisely designed for partial or total occlusion of blood vessels, especially the vena cava. The toothed tips of the instrument ensure a secure but gentle grip on the blood vessels, preventing any trauma or complication.