Flow-adjustable endoscope operation smoke removal device

Abstract

The flow-adjustable endoscope operation smoke removal device comprises surgical operation equipment, an air inlet connector, a filter and an air extracting pump which are sequentially communicated from front to back, an air inlet and an air outlet are formed outside the surgical operation equipment, and an air channel for communicating the air inlet with the air outlet is formed inside the surgical operation equipment; the air inlet connector is movably connected with an exhaust port of the surgical operation equipment in an inserted mode. The air inlet joint is communicated with the front end of the filter through a hose A; the device further comprises a flow adjusting assembly connected between the filter and the sucking pump. The laparoscopic surgery smoke purifying device is used for purifying and removing operation smoke in laparoscopic surgery, the flow adjusting function is added on the basis of an existing laparoscopic surgery smoke purifying device, multi-gear ventilation volume adjustment can be achieved, and unfavorable conditions caused by the fact that the suction flow of operation smoke is too large or too small are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of surgical instruments, in particular to a flow-adjustable laparoscope surgical smoke removal device. Background Art

[0002] Laparoscopic surgery is an indispensable medical method in modern medicine, but the surgical smoke generated during the operation will bring health risks to medical staff. Surgical smoke is formed by the destruction and vaporization of tissue protein and fat by instruments such as high-frequency electrocautery knives, laser knives, ultrasonic scalpels, high-speed drills, saw blades, etc. during the operation. Surgical smoke is composed of 95% water or water vapor and 5% particulate matter. However, it is this 5% of particulate matter that makes surgical smoke seriously harmful to human health. The components of the particulate matter mainly include: blood and tissue fragments, harmful chemical components, active viruses, active cells, inactive particles and substances that induce mutations. Surgical smoke not only hinders the vision of surgical personnel, but also carries toxic and harmful substances that can cause inhalation damage to medical staff.

[0003] At present, domestic hospitals generally deal with surgical smoke by using the built-in smoke exhaust function of surgical equipment (laser knives, ultrasonic scalpels, etc.) to suck the surgical smoke out of the patient's abdominal cavity and discharge it directly into the operating room, and then exhaust it through the operating room's built-in exhaust system. In this process, medical staff in the operating room will inevitably inhale a small amount of surgical smoke, which will cause potential harm to health in the long run.

[0004] To solve the above problems, the utility model patent with announcement number CN219207346U discloses a laparoscopic surgery smoke purification device, which uses negative pressure to help the surgical smoke in laparoscopic surgery to be quickly discharged, while purifying the harmful components in the surgical smoke, thereby avoiding the surgical smoke from causing health damage to people in the operating room.

[0005] However, the above-mentioned laparoscopic surgical smoke purification device does not mention how to control the suction flow rate. In laparoscopic surgery, artificial pneumoperitoneum is established to obtain a clearer surgical field of view. However, the existing laparoscopic surgical smoke purification device does not take into account the effect of the suction flow rate on the intra-abdominal air pressure when extracting surgical smoke. Excessive suction flow rate may cause the abdominal air pressure to drop rapidly, which not only interferes with the normal progress of the operation, but may also cause accidental contact between tissues and surgical instruments, thereby increasing the risk and trauma of the operation. If the suction flow rate is too small, the surgical smoke cannot be effectively removed, which not only affects the surgical field of view, but also may allow the smoke to escape into the operating room, posing a threat to the health of medical staff. Utility Model Content

[0006] The utility model aims to overcome the shortcomings of the prior art and provide a flow-adjustable laparoscope surgery smoke removal device, which solves the problem that the existing laparoscope surgery smoke purification device is difficult to control the suction flow.

[0007] The technical scheme of the utility model is: a laparoscope surgical smoke removal device with adjustable flow rate, comprising a surgical device, an air inlet connector, a filter and an air pump which are sequentially connected from front to back; an air inlet and an air outlet are arranged outside the surgical device, and an air passage inside the surgical device is used to connect the air inlet and the air outlet; the air inlet connector is movably plugged with the air outlet of the surgical device; the air inlet connector is connected with the front end of the filter through a hose A;

[0008] The utility model also comprises a flow regulating component connected between the filter and the air suction pump.

[0009] A further technical solution of the utility model is that the flow regulating component comprises a hose B, a fixed sleeve, a movable sleeve and a hose C which are movably connected in sequence from front to back; the hose B is connected to the rear end of the filter, and the hose C is connected to the vacuum pump; the movable sleeve is rotatably connected to the fixed sleeve and the hose C respectively; an air blocking plate A is fixedly installed in the inner hole of the fixed sleeve, and a ventilation window is provided on the air blocking plate A; an air blocking plate B is fixedly installed in the inner hole of the movable sleeve, and the end face of the air blocking plate B is fitted with the end face of the air blocking plate A, and a plurality of annularly evenly distributed areas are provided on the air blocking plate B, and the areas include a blocking area and a plurality of connecting areas; each connecting area is provided with one or more ventilation holes with different total cross-sectional areas; when the movable sleeve is rotated to the point where any connecting area on the blocking plate B is facing the ventilation window on the blocking plate A, the selection of a specific ventilation flow gear is achieved; when the movable sleeve is rotated to the point where the blocking area on the blocking plate B is facing the ventilation window on the blocking plate A, the airflow is blocked.

[0010] A further technical solution of the utility model is: a plurality of positioning protrusions evenly distributed in a ring shape are provided in the inner hole of the movable sleeve, and the number of the positioning protrusions is consistent with the number of areas on the air blocking plate B. Correspondingly, a plurality of positioning pits corresponding to the positioning protrusions are provided on the outer wall of the fixed sleeve; whenever the movable sleeve rotates to any area on the air blocking plate B facing the ventilation window on the air blocking plate A, all the positioning protrusions on the movable sleeve are engaged with the corresponding positioning pits of the fixed sleeve.

[0011] A further technical solution of the utility model is that the inner diameters of the inner holes of the hose B, the fixed sleeve, the movable sleeve and the hose C are consistent.

[0012] A further technical solution of the utility model is: a duckbill valve for preventing gas backflow is provided inside the airway A; the duckbill valve includes two valves arranged opposite to each other; the ends of the two valves that are away from each other are respectively glued and fixed on the inner wall of the airway A, and the ends of the two valves that are directly opposite to each other fit together, thereby blocking the inner hole of the airway A; the end of the airway A close to the air inlet joint is set as the air inlet end, and the end close to the filter is set as the exhaust end. When the airflow in the inner hole of the airway A flows from the air inlet end to the exhaust end, the ends of the two valves that are directly opposite to each other are separated to allow the airflow to pass through. When the airflow in the inner hole of the airway A flows from the exhaust end to the air inlet end, the ends of the two valves that are directly opposite to each other remain in contact to block the airflow.

[0013] A further technical solution of the utility model is that the surgical device is any one of a high-frequency electrocautery knife, a laser knife, an ultrasonic surgical knife, and a high-speed drill.

[0014] A further technical solution of the present invention is: there are three areas on the air blocking plate B, and each area occupies a sector angle of 120°.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. It is used for the purification and removal of surgical smoke in laparoscopic surgery. It adds a flow regulation function on the basis of the existing laparoscopic surgical smoke purification device, and can achieve multi-speed ventilation volume adjustment to avoid adverse conditions caused by excessive or insufficient suction flow of surgical smoke.

[0017] 2. The ventilation flow rate gear can be adjusted by twisting the movable sleeve, and the sense of frustration provided when the positioning convex point and the positioning concave pit are engaged can prompt that the gear is adjusted in place, which has good ease of use.

[0018] The utility model is further described below in conjunction with the figures and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 for Figure 1 A magnified view of the D portion;

[0021] Figure 3 for Figure 2 AA section view;

[0022] Figure 4 for Figure 2 BB cross-sectional view;

[0023] Figure 5 for Figure 2 CC section view;

[0024] Figure 6 for Figure 1 Enlarged view of part E.

[0025] Legend: surgical device 1; air inlet 11; exhaust port 12; air inlet connector 2; filter 3; fixed sleeve 41, movable sleeve 42; air blocking plate A43; ventilation window 431; air blocking plate B44; ventilation hole 441; suction pump 5; hose A100; hose B200; hose C300; valve 400. DETAILED DESCRIPTION Example 1

[0026] like Figure 1-5 As shown, the flow-adjustable laparoscopic surgical smoke removal device includes a surgical device 1, an air inlet connector 2, a filter 3, a flow regulating component and an air extraction pump 5 which are sequentially connected from front to back.

[0027] The surgical device 1 is provided with an air inlet 11 and an air outlet 12 on the outside, and the surgical device 1 has an air passage inside for connecting the air inlet 11 and the air outlet 12. The air inlet connector 2 is movably connected to the air outlet 12 of the surgical device 1. The air inlet connector 2 is connected to the front end of the filter 3 through a hose A100. The filter 4 is used to absorb untreated harmful gases and treat toxic gases such as benzene and toluene and virus particles in surgical smoke.

[0028] The flow regulating assembly is connected between the filter 3 and the air pump 5. The flow regulating assembly includes a hose B200, a fixed sleeve 41, a movable sleeve 42 and a hose C300 that are movably connected in sequence from front to back. The hose B200 is connected to the rear end of the filter 3, and the hose C300 is connected to the air pump 5. The movable sleeve 42 is rotatably connected to the fixed sleeve 41 and the hose C300 respectively. An air blocking plate A43 is fixedly installed in the inner hole of the fixed sleeve 41, and a ventilation window 431 is provided on the air blocking plate A43. An air blocking plate B44 is fixedly installed in the inner hole of the movable sleeve 42, and the end face of the air blocking plate B44 is fitted with the end face of the air blocking plate A43. The air blocking plate B44 is provided with multiple annularly evenly distributed areas (the area is an area artificially divided on the air blocking plate B44, not a specific structure on the air blocking plate B44), and the area includes a blocking area and multiple connected areas. Each connected area is provided with one or more vents 441 with different total cross-sectional areas. When the movable sleeve 42 is rotated to any connecting area on the blocking plate B44 facing the ventilation window 431 on the blocking plate A43, the selection of a specific ventilation flow rate gear is achieved. When the movable sleeve 42 is rotated to the blocking area on the blocking plate B44 facing the ventilation window 431 on the blocking plate A43, the airflow is blocked.

[0029] Preferably, the inner hole of the movable sleeve 42 is provided with a plurality of positioning protrusions evenly distributed in an annular shape, and the number of the positioning protrusions is consistent with the number of regions on the air blocking plate B44. Accordingly, the outer wall of the fixed sleeve 41 is provided with a plurality of positioning pits corresponding to the positioning protrusions one by one. Whenever the movable sleeve 42 rotates to any region on the air blocking plate B44 facing the ventilation window 431 on the air blocking plate A43, all the positioning protrusions on the movable sleeve 42 are engaged with the corresponding positioning pits of the fixed sleeve 41.

[0030] Preferably, the surgical device 1 is any one of a high-frequency electrocautery knife, a laser knife, an ultrasonic surgical knife, and a high-speed drill.

[0031] Preferably, there are three areas on the air blocking plate B44, including one blocking area and two connecting areas, and each area occupies a sector angle of 120°.

[0032] Preferably, a duckbill valve for preventing gas backflow is provided inside the airway A100, and the duckbill valve includes two valves 400 arranged opposite to each other, and the ends of the two valves 400 that are far away from each other are respectively glued and fixed on the inner wall of the airway A, and the ends of the two valves 400 that face each other fit together, thereby blocking the inner hole of the airway A100. The end of the airway A100 close to the air inlet connector 2 is set as the air inlet end, and the end close to the filter 4 is set as the exhaust end. When the airflow in the inner hole of the airway A flows from the air inlet end to the exhaust end, the ends of the two valves 400 that face each other are separated to allow the airflow to pass. When the airflow in the inner hole of the airway A100 flows from the exhaust end to the air inlet end, the ends of the two valves 400 that face each other remain in contact to block the airflow.

[0033] Briefly describe the use of the utility model: When using the surgical device 1 to perform surgery on a patient, adjust the ventilation flow rate to a suitable gear according to the suction flow rate demand (see above for the adjustment method), and then start the suction pump 5. The surgical smoke generated in the surgical area passes through the surgical device 1, the air inlet connector 2, the airway A100, the filter 3, the flow adjustment component and the suction pump 5 in sequence, and is discharged into the operating room. When the surgical smoke passes through the filter 3, water vapor, harmful gases and viruses are all intercepted, ensuring that the air discharged into the operating room is clean air.

Claims

1. A laparoscope surgical smoke removal device with adjustable flow rate, comprising a surgical device, an air inlet connector, a filter and an air pump connected in sequence from front to back; an air inlet and an air outlet are arranged outside the surgical device, and an air passage inside the surgical device is used to connect the air inlet and the air outlet; the air inlet connector is movably connected to the air outlet of the surgical device; the air inlet connector is connected to the front end of the filter through a hose A; Its characteristics are: The utility model also comprises a flow regulating component connected between the filter and the air suction pump.

2. The flow-adjustable laparoscopic surgery smoke removal device according to claim 1, characterized in that: The flow regulating component includes a hose B, a fixed sleeve, a movable sleeve and a hose C which are movably plugged in sequence from front to back; the hose B is connected to the rear end of the filter, and the hose C is connected to the vacuum pump; the movable sleeve is rotatably connected to the fixed sleeve and the hose C respectively; an air blocking plate A is fixedly installed in the inner hole of the fixed sleeve, and a ventilation window is provided on the air blocking plate A; an air blocking plate B is fixedly installed in the inner hole of the movable sleeve, and the end face of the air blocking plate B is fitted with the end face of the air blocking plate A, and a plurality of annularly evenly distributed areas are provided on the air blocking plate B, and the areas include a blocking area and a plurality of connecting areas; each connecting area is provided with one or more ventilation holes with different total cross-sectional areas; when the movable sleeve is rotated until any connecting area on the blocking plate B is opposite to the ventilation window on the blocking plate A, the selection of a specific ventilation flow gear is achieved; when the movable sleeve is rotated until the blocking area on the blocking plate B is opposite to the ventilation window on the blocking plate A, the airflow is blocked.

3. The flow-adjustable laparoscopic surgery smoke removal device according to claim 2, characterized in that: The inner hole of the movable sleeve is provided with a plurality of positioning protrusions evenly distributed in a ring shape, and the number of the positioning protrusions is consistent with the number of areas on the air blocking plate B. Correspondingly, the outer wall of the fixed sleeve is provided with a plurality of positioning pits corresponding to the positioning protrusions one by one; whenever the movable sleeve rotates to any area on the air blocking plate B facing the ventilation window on the air blocking plate A, all the positioning protrusions on the movable sleeve are engaged with the corresponding positioning pits of the fixed sleeve.

4. The flow-adjustable laparoscopic surgery smoke removal device according to claim 3, characterized in that: The inner diameters of the inner holes of the hose B, the fixed sleeve, the movable sleeve and the hose C are consistent.

5. The flow-adjustable laparoscopic surgery smoke removal device according to claim 4, characterized in that: A duckbill valve for preventing gas backflow is provided inside the air duct A; the duckbill valve includes two valves arranged opposite to each other; the ends of the two valves that are away from each other are respectively glued and fixed to the inner wall of the air duct A, and the ends of the two valves that are opposite to each other fit together, thereby blocking the inner hole of the air duct A; the end of the air duct A close to the air inlet joint is set as the air inlet end, and the end close to the filter is set as the exhaust end. When the airflow in the inner hole of the air duct A flows from the air inlet end to the exhaust end, the ends of the two valves that are opposite to each other are separated to allow the airflow to pass through. When the airflow in the inner hole of the air duct A flows from the exhaust end to the air inlet end, the ends of the two valves that are opposite to each other remain in contact to block the airflow.

6. The flow-adjustable laparoscopic surgery smoke removal device according to claim 5, characterized in that: The surgical equipment is any one of a high-frequency electrocautery knife, a laser knife, an ultrasonic scalpel, and a high-speed drill.

7. The flow-adjustable laparoscopic surgery smoke removal device according to claim 6, characterized in that: There are three areas on the air blocking plate B, and each area occupies a sector angle of 120°.

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