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Related to vacuum extractor: forceps
an instrument for pulling out a body part, foreign body, or calculus.
basket extractor a device for removal of calculi from the upper urinary tract, consisting of a network of filaments on a catheter that is passed into the ureter through a ureteroscope; the filaments surround the calculus and snare it so that it is withdrawn when the catheter is withdrawn.
vacuum extractor a device to assist delivery consisting of a metal traction cup that is attached to the fetus' head; negative pressure is applied and traction is made on a chain passed through the suction tube.
device for producing traction on the head of a fetus by means of a soft cup held by a vacuum.
A device for applying traction to the fetus during delivery by using a suction cup attached to the fetal head. Its use may be hazardous except in the hands of experts.