1 results about "Venous blood flow" patented technology

The utility model discloses a kind of extracorporeal circulation systems, it is related to medical instrument technical field.Extracorporeal circulation system includes the inflow pipe, handle and outflow pipe connected in turn, inflow pipe is used to connect carotid artery, outflow pipe is used to connect vein;Handle includes shell and the flow through switch, flow through regulator and blood filter being set in shell.In application when inflow pipe is connected into carotid artery, outflow pipe is connected into vein, high-pressure arterial blood flow and low-pressure venous blood flow form pressure difference, make the blood flow of carotid artery reverse flow to vein, establish the blood retrograde passage from carotid artery to vein, can be opened and closed above-mentioned retrograde passage by flow through switch, utilize flow through regulator to adjust the flow rate and flow of blood flow, and utilize blood filter to intercept thrombus and other accumulations falling in interventional operation, reduce the problem that thrombus and other accumulations enter brain with blood and cause cerebral apoplexy or embolism.