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

Claim 0:
1. 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 fine needle aspiration device further comprises an injection needle operating mechanism which moves the injection needle so that the needlepoint of the injection needle protrudes from the injection needle tube or is inserted into the injection needle tube,
wherein the injection needle operating mechanism comprises:
a first injection needle guide part extending in one direction and a second injection needle guide part extending in an opposite direction of the first injection needle guide part;
a first gripping part which is coupled to the injection needle tube and is movable along the first injection needle guide part; and
a second gripping part which is coupled to the injection needle and is movable along the second injection needle guide part, and
wherein the first limiting unit comprises:
a first stopper which fixes the first gripping part to the first injection needle guide part; and
a second stopper which prevents the second gripping part from being closer to the first gripping part than a predetermined position.