Patent ID: 11911071
Assignee: BIO-PROTECH INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 10:
11. The smoke evacuation device with fluid storage of claim 10, wherein an edge part protrudes outward from the main body along an inner edge of the discharge part;
an inner edge of the edge part has a first inner edge, a second inner edge, and a third inner edge sequentially positioned away from the second space;
a blocking portion is formed to close a first side of the first inner edge and an opening portion is formed to open a second side of the first edge;
a pair of guide rails is formed at both sides in a longitudinal direction of the second inner edge, the blocking portion is positioned between first sides of the pair of guide rails, and the opening portion is positioned between second sides of the pair or guide rails;
a cover portion is formed to cover the third inner edge, a slit is formed in a longitudinal direction of the cover portion, a first side of the slit is positioned to face the blocking portion, and a second side of the slit is positioned to face the opening portion;
a first side of the door member has an area being able to close the opening portion and can slide along the guide rails, and a second side of the door member protrudes out of the edge part through the slit; and
when the second side of the door member slides along the slit, the first side of the door member adjusts an opening area of the opening portion while moving along the guide rail.