Medical tissue extraction instrument
First Claim
1. A medical tissue extraction instrument comprising a tissue extraction controller to control pressure of at least one suction tube connected to a fine needle during extraction of tissue, whereinthe tissue extraction controller includes a suction adjustor to set pressure applied to a suction tube, the suction adjustor including a pressure adjustor to adjust the pressure applied to the suction tube and a suction period adjustor to adjust a suction period at which the tissue is extracted into the suction tube, thereby enabling automatic extraction of the tissue into the suction tube at regular intervals, and whereinthe tissue extraction controller further includes a suction pressure generator taking a form of a footboard and adapted to control a suction operation of the suction tube when being pushed downward, the suction pressure generator including two or more pressure boards, each including a continuous suction pressure board to perform successive suction operations of the suction tube according to the suction period and a discontinuous suction pressure board to perform intermittent suction operations of the suction tube.
1 Assignment
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Accused Products
Abstract
Disclosed is a medical tissue extraction instrument, which can allow an inspector to accurately locate a fine needle at a desired tissue extraction position without any need for assistance while assuring stable tissue extraction. The medical tissue extraction instrument includes a tissue extraction controller to control the pressure of a suction tube connected to a fine needle during extraction of tissue. The tissue extraction controller includes a suction pressure generator taking the form of a footboard and adapted to control a suction operation of the suction tube by being pushed downward.
30 Citations
2 Claims
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1. A medical tissue extraction instrument comprising a tissue extraction controller to control pressure of at least one suction tube connected to a fine needle during extraction of tissue, wherein
the tissue extraction controller includes a suction adjustor to set pressure applied to a suction tube, the suction adjustor including a pressure adjustor to adjust the pressure applied to the suction tube and a suction period adjustor to adjust a suction period at which the tissue is extracted into the suction tube, thereby enabling automatic extraction of the tissue into the suction tube at regular intervals, and wherein the tissue extraction controller further includes a suction pressure generator taking a form of a footboard and adapted to control a suction operation of the suction tube when being pushed downward, the suction pressure generator including two or more pressure boards, each including a continuous suction pressure board to perform successive suction operations of the suction tube according to the suction period and a discontinuous suction pressure board to perform intermittent suction operations of the suction tube.
Specification