The apparatus 5, wherein the second tissue cutting screen further comprises a frame having a central opening therein, wherein the elongate cutting members extend across the central opening, wherein the first tissue cutting screen is mounted within the housing such that the central opening extends transversely across the morcellating chamber, wherein the outer circumference of the frame of the first tissue cutting screen comprises a gear, and wherein the actuator comprises {HEAD ~ a drive gear} meshed with {TAIL ~ the gear} on the frame of the first tissue cutting screen 
The apparatus 5 , wherein the second tissue cutting screen further comprises a frame having a central opening therein , wherein the elongate cutting members extend across the central opening , wherein the first tissue cutting screen is mounted within the housing such that the central opening extends transversely across the morcellating chamber , wherein the outer circumference of the frame of the first tissue cutting screen comprises a gear , and wherein the actuator comprises { HEAD ~ a drive gear } meshed with { TAIL ~ the gear } on the frame of the first tissue cutting screen
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