| 20110301538 | ANESTHETIC SYRINGE HAVING A LONGITUDINALLY DISPLACEABLE FEEDING PISTON AND CHECK VALVE HAVING PASSAGE AND BLOCKING DEVICE - The invention relates to a syringe, particularly an anesthetic syringe, having a longitudinally displaceable feeding piston disposed over a first hydraulic chamber, and a second hydraulic chamber, wherein the first and second hydraulic chambers are connected by means of a first control element for regulating resistance, wherein the first control element can be actuated by a switch element, wherein the first control element comprises a first check valve. | 12-08-2011 |
