Patent ID: 11883072
Assignee: FINE MEDIX CO., LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. A medical system comprising:
a fine needle aspiration device and an incision device which are inserted into a body by using an endoscope,
wherein the fine needle aspiration device comprises:
an injection needle which is injected into a surgical site;
an injection needle tube which surrounds the injection needle;
a first limiting unit which limits a length of a needlepoint of the injection needle protruding from the injection needle tube;
a syringe which is connected to the injection needle for tissue collection and medicine injection; and
a second limiting unit which limits injection flow between the injection needle and the syringe by actuation of an exposing part that allows the injection flow when actuated and prevents the injection flow when not actuated,
wherein the incision device comprises:
a knife configured to cut the surgical site;
a knife tube which surrounds the knife; and
a third limiting unit which limits a length of a cutting edge of the knife protruding from the knife tube, and
wherein at least one of the first limiting unit, the second limiting unit, and the third limiting unit is formed so that a limiting function is released when an external force is applied by an operator and the limiting function is restored when the external force is removed,
wherein the third limiting unit comprises:
a knife guide part which is coupled to the knife tube and extends in one direction; and
a third stopper which is coupled to the knife, is movable along the knife guide part, and is fixed to the knife guide part when being positioned at a predetermined position.