Gas injection valve structure and gas injection system with multiple gas outlets for swirling gas flow

Abstract

The utility model provides a gas injection valve structure and gas injection system of multi-air outlet swirling air flow, including gas injection valve, gas injection valve includes gas injection valve fixed seat, right angle joint and seal ring, the upper end of gas injection valve fixed seat extends into one end of right angle joint and is rotatingly connected with right angle joint, and gas injection valve fixed seat is fixed with gas injection valve fixed seat. The sealing ring is arranged between the gas injection valve fixing seat and the right-angle connector, the gas injection valve fixing seat is of a tubular structure with the bottom sealed, at least two gas outlet holes are formed in the bottom of the gas injection valve fixing seat, and the inner side walls of the gas outlet holes are inclined to the vertical line of the plane where the gas outlet holes are located. Air from the air injection valve is sprayed out of the air outlet hole at an inclined angle, so that rotating air flow is formed in a human body cavity, smoke can be discharged out of the body in time, and the operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to an air injection valve structure of a multi-channel product for cooperating with a pneumoperitoneum machine, in particular to an air injection valve structure and an air injection system with a rotating air flow of multiple air outlets. Background Technique

[0002] When cutting tissues during surgery, a large amount of smoke and water vapor will inevitably be generated. In laparoscopic surgery, due to the fact that human organs or other tissues are squeezed together, there is not enough space for observation and surgery. At this time, a pneumoperitoneum machine is required to provide air pressure to expand the internal cavity in order to provide a suitable surgical space and surgical field of view.

[0003] At the same time, during the operation, the electrocautery used to separate normal tissues and diseased tissues is a strong carcinogen when burning or electrocoagulating the human body, which will cause unnecessary harm to the surgeon and medical staff in the operating room. Moreover, when performing deep surgery on the human body, especially when electrocauterizing important organs such as deep blood vessels, the smoke will blur the endoscope inside, affecting the vision of medical staff, causing difficulty in hemostasis, and even causing blindness or chaos during the operation. Therefore, a smoke removal device is needed to ensure the smooth progress of the operation.

[0004] Currently, the current situation of removing smoke in the operating room: 1) The traditional method is to directly remove the smoke by opening the exhaust valve of the trocar until the field of view is clear and then close the valve. If the valve is not closed in time, the pneumoperitoneum pressure will decrease, and the valve needs to be closed and wait for the pneumoperitoneum pressure to rise again before continuing the operation, breaking the continuity of the operation. The chimney effect of the laparoscope causes the air flow to rush from the laparoscope trocar to the operating room staff and be directly discharged into the operating room, causing harm to the body of the operating room staff and environmental pollution. 2) Using a self-made controllable aspirator, although it can continuously extract and inhale the smoke, the harmful surgical smoke will still be discharged into the operating room or inhaled into the negative pressure suction pump without harmless treatment, causing equipment pollution. And during the operation, carbon dioxide needs to be continuously filled to maintain the pneumoperitoneum repulsion force, increasing the carbon dioxide usage and the risk of absorption by the patient.

[0005] In the Chinese utility model patent with the application number 201621023097.9, a rotatable air injection valve is disclosed. The structure of the rotatable air injection valve mainly consists of a tubular connector and a fixed seat that can rotate relative to each other. The structure of this new patent is simple and easy to operate. When a doctor needs to change the operation angle during the actual operation, only by rotating the tubular connector can the adjustment of the operation angle be completed. The disadvantage is that when the rotatable air injection valve structure is applied to a multi-channel single-port trocar, its air inlet mode is to vertically enter the surgical area and blow directly into the small cavity, and the smoke generated by separating tissues cannot dissipate in time, affecting the surgical efficiency.

[0006] In the existing gas injection valve structure, the intake air flow direction is single and perpendicular to the surgical area. During the operation, the smoke generated by tissue separation cannot dissipate in time. In the small cavity, the vertical air flow squeezes the smoke and water vapor inward, and the smoke removal effect is poor without an additional suction device connected. Summary of the Invention

[0007] The technical problem to be solved by the present utility model is to provide a gas injection valve structure and a gas injection system with multi-outlet rotating air flow, so that the gas coming out of the gas injection valve sprays out from the air outlet holes at an inclined angle, thereby forming a rotating air flow in the human body cavity, enabling the smoke to be discharged out of the body in time and improving the surgical efficiency.

[0008] To solve the above technical problem, the technical solution adopted by the present utility model is as follows:

[0009] A gas injection valve structure with multi-outlet rotating air flow includes a gas injection valve. The gas injection valve includes a gas injection valve fixing seat, a right-angle joint, and a sealing ring. The upper end of the gas injection valve fixing seat extends into one end of the right-angle joint and is rotatably connected to the right-angle joint. A sealing ring is arranged between the gas injection valve fixing seat and the right-angle joint. The gas injection valve fixing seat is a tubular structure with a sealed bottom. At least two air outlet holes are opened at the bottom of the gas injection valve fixing seat, and the inner side wall of the air outlet hole is inclined to the perpendicular line of the plane where the air outlet hole is located.

[0010] Further, at least two of the air outlet holes are arranged at the bottom of the gas injection valve fixing seat, and the inner side wall of the air outlet hole is inclined to the central axis of the gas injection valve fixing seat.

[0011] Further, at least two of the air outlet holes are evenly distributed at the bottom of the gas injection valve fixing seat, and the inclination angles relative to the central axis of the gas injection valve fixing seat are the same.

[0012] Further, at least two of the air outlet holes are arranged on the bottom side wall of the gas injection valve fixing seat. The bottom side wall of the gas injection valve fixing seat is cylindrical or inverted frustum-shaped, and the inner side wall of the air outlet hole is inclined to the perpendicular line of the tangent plane where the center point of the air outlet hole itself is located on the bottom side wall of the gas injection valve fixing seat.

[0013] Further, the shape of the air outlet hole is a long slot hole, and the length direction of the air outlet hole is inclined to the central axis of the gas injection valve fixing seat.

[0014] Further, at least two air outlet holes on the gas injection valve fixing seat are evenly distributed in a circumferential manner, and the inclination angles of the length directions of the air outlet holes relative to the central axis of the gas injection valve fixing seat are the same.

[0015] Further, the inclination angles of the length directions of at least two of the air outlet holes gradually increase or decrease regularly with respect to the central axis of the gas injection valve fixing seat.

[0016] Further, the gas injection valve further includes a two-way valve, and the two-way valve is fixed to the other end of the right-angle joint.

[0017] The beneficial effects of the present utility model are as follows: The gas injection valve fixing seat and the right-angle joint are rotatably connected through a sealing ring, so that the position of the tube can be adjusted by rotating the right-angle joint during the operation, which is convenient to use. In addition, there are multiple air outlet holes, and the inner side walls of the air outlet holes are inclined, so that the gas coming out of the gas injection valve is ejected from the air outlet holes at an inclined angle, thereby forming a rotating air flow in the human body cavity, enabling the smoke to be discharged out of the body in time and improving the operation efficiency.

[0018] Based on the gas injection valve structure of the above-mentioned multi-air outlet rotating air flow, the gas injection system includes a multi-channel seal, an instrument channel, a gas injection valve, a first gas injection tube, an exhaust pipe, a second gas injection tube, and a pneumoperitoneum machine. The multi-channel seal is fixed at the opening of the human body cavity, the instrument channel and the gas injection valve are fixed on the multi-channel seal, the side wall of the instrument channel is communicated with the first gas injection tube and the exhaust pipe, the gas injection valve is communicated with the second gas injection tube, and the first gas injection tube, the exhaust pipe, and the second gas injection tube are all communicated with the pneumoperitoneum machine.

[0019] Further, the gas injection system further includes a sealing rod assembly. There are multiple instrument channels, and the sealing rod assembly is inserted into the instrument channels that are not needed in the current operation for sealing.

[0020] The beneficial effects of the present utility model are as follows: The inclined air flow discharged from the gas injection valve forms a rotating air flow, and under the action of the rotating air flow, the smoke can be discharged from the exhaust pipe, making the operation field of view clear and improving the operation efficiency. Description of the Drawings

[0021] Figure 1 It is a cross-sectional view of the gas injection valve according to an embodiment of the present utility model;

[0022] Figure 2 It is a three-dimensional view of the gas injection valve according to an embodiment of the present utility model;

[0023] Figure 3 It is a three-dimensional view of the gas injection valve according to an embodiment of the present utility model;

[0024] Figure 4 It is a three-dimensional view of the gas injection valve according to an embodiment of the present utility model;

[0025] Figure 5 It is a three-dimensional view of the gas injection valve according to an embodiment of the present utility model;

[0026] Figure 6 Isometric view of an air injection valve according to an embodiment of the present utility model;

[0027] Figure 7 Cross-sectional view of an air injection system according to an embodiment of the present utility model.

[0028] Label description:

[0029] 1. Air injection valve; 2. Multi-channel seal body; 3. Instrument channel; 4. First air injection pipe; 5. Exhaust pipe; 6. Second air injection pipe; 7. Pneumoperitoneum machine; 8. Seal rod assembly;

[0030] 11. Air injection valve fixing seat; 111. Air outlet hole; 12. Right-angle joint; 13. Sealing ring; 14. Two-way valve. Specific implementation mode

[0031] To describe in detail the technical content, achieved purpose and effects of the present utility model, the following is described in conjunction with the implementation mode and with reference to the drawings.

[0032] Please refer to Figures 1 to 7 , the embodiment provided by the present utility model is:

[0033] An air injection valve structure with a multi-outlet rotating air flow, including an air injection valve 1, the air injection valve 1 includes an air injection valve fixing seat 11, a right-angle joint 12 and a sealing ring 13, the upper end of the air injection valve fixing seat 11 extends into one end of the right-angle joint 12 and is rotatably connected to the right-angle joint 12, and the sealing ring 13 is arranged between the air injection valve fixing seat 11 and the right-angle joint 12. During surgical operations, the position of the right-angle joint 12 can be rotated and adjusted according to the actual operation convenience. In addition, the air injection valve fixing seat 11 is a tubular structure with a sealed bottom, and at least two air outlet holes 111 are opened at the bottom of the air injection valve fixing seat 11, and the inner side wall of the air outlet hole 111 is inclined to the perpendicular line of the plane where the air outlet hole 111 is located, so that the air flow coming out of the air outlet hole 111 is a rotating air flow. Even if the air injection valve 1 is installed vertically in a small body cavity, a rotating air flow can be formed, so that the smoke in the small body cavity of the human body can be smoothly discharged, the surgical field of view can be made clear, and the surgical efficiency and success rate can be improved.

[0034] Furthermore, for the specific structure of the air outlet hole 111, the following embodiments are given:

[0035] Embodiment 1: Please refer to Figure 2 As shown, at least two of the air outlet holes 111 are arranged at the bottom of the air injection valve fixing seat 11, and the inner side wall of the air outlet hole 111 is inclined to the central axis of the air injection valve fixing seat 11, so that the gas discharged from the bottom of the air injection valve 1 can form a rotating air flow.

[0036] Preferably, at least two of the air outlet holes 111 are evenly distributed at the bottom of the air injection valve fixing seat 11, and have the same inclination angle relative to the central axis of the air injection valve fixing seat 11.

[0037] Preferably, the number of the air outlet holes 111 is 2, 4 or 6.

[0038] Embodiment 2: Please refer to Figures 3 to 6 As shown, at least two of the air outlet holes 111 are arranged on the bottom side wall of the air injection valve fixing seat 11. The bottom side wall of the air injection valve fixing seat 11 is cylindrical or inverted frustum-shaped. The inner side wall of the air outlet hole 111 is inclined to the perpendicular line of the tangent plane where the center point of the air outlet hole 111 itself is located on the bottom side wall of the air injection valve fixing seat 11.

[0039] Preferably, the shape of the air outlet hole 111 is a long slot hole. The length direction of the air outlet hole 111 is inclined to the central axis of the air injection valve fixing seat 11, so that the air outlet hole 111 forms a swirling air flow from two directions: the inclination direction of the inner side wall of the air outlet hole 111 and the inclination direction of the length of the long slot hole. The structure is reasonable and ingenious.

[0040] Further, please refer to Figure 3 As shown, the number of the air outlet holes 111 is 4. The inner side wall of the air outlet hole 111 is inclined to the perpendicular line of the tangent plane where the center point of the air outlet hole 111 itself is located on the bottom side wall of the air injection valve fixing seat 11. The 4 air outlet holes 111 are not evenly distributed in a circle.

[0041] Further, please refer to Figure 4 As shown, the number of the air outlet holes 111 is 2. The air outlet hole 111 is a long slot hole. The inner side wall of the air outlet hole 111 is inclined to the perpendicular line of the tangent plane where the center point of the air outlet hole 111 itself is located on the bottom side wall of the air injection valve fixing seat 11. The length direction of the air outlet hole 111 is inclined to the central axis of the air injection valve fixing seat 11.

[0042] Further, at least two air outlet holes 111 on the air injection valve fixing seat 11 are evenly distributed in a circle, and the inclination angles of the length directions of the air outlet holes 111 relative to the central axis of the air injection valve fixing seat 11 are the same.

[0043] Further, please refer to Figure 5 and Figure 6 As shown, the inclination angles of the length directions of at least two air outlet holes 111 relative to the central axis of the air injection valve fixing seat 11 are not the same, but gradually increase or decrease regularly.

[0044] Further, please refer to Figure 1As shown, the gas injection valve 1 further includes a two-way valve 14, and the two-way valve 14 is fixed to the other end of the right-angle joint 12.

[0045] For the application of the above gas injection valve structure, please refer to Figure 7 As shown, the present application further provides an air injection system with a rotating airflow having multiple air outlets. The air injection system includes a multi-channel seal 2, an instrument channel 3, a gas injection valve 1, a first gas injection pipe 4, an exhaust pipe 5, a second gas injection pipe 6, and a pneumoperitoneum machine 7. The multi-channel seal 2 is fixed at the opening of the human body cavity and is hermetically connected to the opening of the human body small cavity. The instrument channel 3 and the gas injection valve 1 are fixed on the multi-channel seal 2. The side wall of the instrument channel 3 communicates with the first gas injection pipe 4 and the exhaust pipe 5. The gas injection valve 1 communicates with the second gas injection pipe 6. The first gas injection pipe 4, the exhaust pipe 5, and the second gas injection pipe 6 are all communicated with the pneumoperitoneum machine 7.

[0046] Furthermore, the air injection system further includes a seal rod assembly 8. There are multiple instrument channels 3, and the seal rod assembly 8 is inserted into the instrument channel 3 that is not required in the current operation for sealing.

[0047] The working process of the above air injection system is as follows: First, the seal rod assembly 8 is inserted into the instrument channel 3 that is not required in the current operation to ensure the sealing of other places except the currently used instrument channel 3. Then, air injection starts. The gas injected by the pneumoperitoneum machine 7 into the first gas injection pipe 4 enters the human body small cavity through the instrument channel 3. The gas injected by the pneumoperitoneum machine 7 into the second gas injection pipe 6 is injected into the human body small cavity through the gas injection valve 1. Since there are multiple air outlet holes 111 and they are all inclined, a rotating airflow is formed in the human body small cavity. The rotating airflow hits the inner wall of the human body small cavity, and under the action of the exhaust pipe 5, the rotating airflow is finally discharged to the pneumoperitoneum machine 7 through the exhaust pipe 5 for collection, so as to have a good smoke exhaust effect during the operation, improving the operation efficiency and success rate.

[0048] In summary, the advantages of the gas injection valve structure and the gas injection system with a rotating airflow having multiple air outlets provided by the present utility model are as follows:

[0049] 1. Multiple air outlet holes 111 with inclined inner side walls are used to inject a rotating airflow into the human body small cavity, improving the smoke exhaust effect during the operation driven by the rotating airflow, and improving the operation efficiency and success rate;

[0050] 2. The air outlet holes 111 can not only have inclined inner side walls, but also be designed to have an inclined length direction, so as to form a relatively good rotating airflow and improve the smoke exhaust effect during the operation.

[0051] The above are only embodiments of the present utility model, and do not thus limit the patent scope of the present utility model. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the relevant technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. An air injection valve structure with a multi-outlet rotating airflow, characterized in that It includes an air injection valve (1), and the air injection valve (1) includes an air injection valve fixed seat (11), a right-angle joint (12) and a sealing ring (13). The upper end of the air injection valve fixed seat (11) extends into one end of the right-angle joint (12) and is rotatably connected to the right-angle joint (12). The sealing ring (13) is arranged between the air injection valve fixed seat (11) and the right-angle joint (12). The air injection valve fixed seat (11) is a tubular structure with a sealed bottom. At least two air outlet holes (111) are opened at the bottom of the air injection valve fixed seat (11), and the inner side wall of the air outlet hole (111) is inclined to the perpendicular line of the plane where the air outlet hole (111) is located.

2. The gas injection valve structure with a multi-outlet rotating air flow according to claim 1, characterized in that, At least two of the air outlet holes (111) are arranged at the bottom of the air injection valve fixed seat (11), and the inner side wall of the air outlet hole (111) is inclined to the central axis of the air injection valve fixed seat (11).

3. The gas injection valve structure with a multi-outlet rotating air flow according to claim 2, characterized in that, At least two of the air outlet holes (111) are evenly distributed at the bottom of the air injection valve fixed seat (11), and the inclination angles relative to the central axis of the air injection valve fixed seat (11) are the same.

4. The gas injection valve structure with multi-outlet rotating air flow according to claim 1, characterized in that, At least two of the air outlet holes (111) are arranged on the bottom side wall of the air injection valve fixed seat (11). The bottom side wall of the air injection valve fixed seat (11) is cylindrical or inverted frustum-shaped. The inner side wall of the air outlet hole (111) is inclined to the perpendicular line of the tangent plane where the center point of the air outlet hole (111) on the bottom side wall of the air injection valve fixed seat (11) is located.

5. The gas injection valve structure with a multi-outlet rotating air flow according to claim 4, characterized in that, The shape of the air outlet hole (111) is a long slot hole, and the length direction of the air outlet hole (111) is inclined to the central axis of the air injection valve fixed seat (11).

6. The gas injection valve structure with a multi-outlet rotating air flow according to claim 5, characterized in that, At least two air outlet holes (111) on the air injection valve fixed seat (11) are evenly distributed in a circumferential manner, and the inclination angles of the length directions of the air outlet holes (111) relative to the central axis of the air injection valve fixed seat (11) are the same.

7. The gas injection valve structure with multi-outlet rotating airflow according to claim 5, characterized in that, The inclination angles of the length directions of at least two of the air outlet holes (111) relative to the central axis of the air injection valve fixed seat (11) gradually increase or gradually decrease regularly.

8. The gas injection valve structure with multi-outlet rotating airflow according to claim 1, characterized in that, The air injection valve (1) further includes a two-way valve (14), and the two-way valve (14) is fixed at the other end of the right-angle joint (12).

9. The gas injection system with an air injection valve structure of a multi-outlet rotating air flow according to any one of claims 1 to 8, characterized in that The air injection system includes a multi-channel seal body (2), an instrument channel (3), an air injection valve (1), a first air injection pipe (4), an exhaust pipe (5), a second air injection pipe (6) and a pneumoperitoneum machine (7). The multi-channel seal body (2) is fixed at the opening of the human body cavity. The instrument channel (3) and the air injection valve (1) are fixed on the multi-channel seal body (2). The side wall of the instrument channel (3) is communicated with the first air injection pipe (4) and the exhaust pipe (5). The air injection valve (1) is communicated with the second air injection pipe (6). The first air injection pipe (4), the exhaust pipe (5) and the second air injection pipe (6) are all communicated with the pneumoperitoneum machine (7).

10. The gas injection system according to claim 9, wherein, The air injection system further includes a sealing rod assembly (8). There are multiple instrument channels (3), and the sealing rod assembly (8) is inserted into the instrument channels (3) that are not needed in the current operation for sealing.

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