The utility model discloses a
biopsy puncture device, and belongs to the technical field of
medical instruments.In the
biopsy puncture device, a limiting piece is arranged on a second component, and the limiting piece is used for limiting a first component, so that the first component can drive the second component to move towards a third component; the guide
pipe is connected with the second component, so that the guide
pipe can move along with the second component; the puncture needle can be connected with the first component, so that the first component drives the puncture needle to move when moving, the
catheter can be driven to penetrate through the tissue together when the puncture needle punctures, the puncture needle can be withdrawn, the
catheter is left in the tissue for subsequent operative treatment, and damage to the tissue in an operation is reduced.