A large-flow pneumoperitoneum device with heating function

Abstract

The present invention discloses a large-flow pneumoperitoneum device with a heating function, which relates to the technical field of pneumoperitoneum devices, and comprises a shell, one side of the shell is provided with an air filling port, the other side of the shell is provided with an air source interface, the bottom inner wall of the shell is fixedly connected with a filter, the output end of the filter is connected with a pressure regulating valve, the output end of the pressure regulating valve is connected with the air source interface, the bottom inner wall of the shell is provided with a heating module, the heating module comprises a heating chamber fixing seat and a main control board, the top of the heating chamber fixing seat is fixedly connected with a heating chamber, the inner wall of the heating chamber is provided with a fixing plate, and the outer wall of the fixing plate is provided with a first fixing block. The carbon dioxide gas of the present invention enters the inflation pipe along the filter and the pressure regulating valve, and finally the gas in the inflation pipe enters the human abdominal cavity, so as to avoid the low-temperature compressed gas from directly entering the human abdominal cavity, and the heating effect is better, and it will not cause physical discomfort to the patient after surgery.

Description

Technical Field

[0001] The invention relates to the technical field of pneumoperitoneum devices, and in particular to a large-flow pneumoperitoneum device with a heating function. Background Art

[0002] At present, the medical system is developing in an increasingly modern direction, and various modern intelligent laparoscopes and surgical equipment are being used in clinical practice. Before use, these devices need to establish a constant-pressure pneumoperitoneum environment in the patient's abdominal cavity and other cavities to provide the necessary operating space and lens distance for subsequent operations.

[0003] Pneumoperitoneum devices generally use compressed carbon dioxide gas, which has an extremely low temperature and is irritating when it enters the human abdominal cavity directly. There will be varying degrees of physical discomfort after the operation. Therefore, a large-flow pneumoperitoneum device with heating function is needed to change this situation. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and propose a large flow insufflation device with heating function. Its advantage is that the carbon dioxide gas enters the inflation pipe along the filter and the pressure regulating valve, and finally the gas in the inflation pipe enters the human abdominal cavity, avoiding the low-temperature compressed gas from directly entering the human abdominal cavity, and the heating effect is better, which will not cause physical discomfort to the patient after surgery.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A high-flow pneumoperitoneum device with a heating function comprises a shell, one side of the shell is provided with an inflation port, the other side of the shell is provided with an air source interface, a filter is fixedly connected to the bottom inner wall of the shell, the output end of the filter is connected to a pressure regulating valve, the output end of the pressure regulating valve is connected to the air source interface, a heating module is provided on the bottom inner wall of the shell, the heating module comprises a heating chamber fixing seat and a main control board, the top of the heating chamber fixing seat is fixedly connected to the heating chamber, the inner wall of the heating chamber is provided with a fixing plate, the outer wall of the fixing plate is provided with a first fixing block, the interior of the first fixing block is provided with a first heating core, the outer wall of the first fixing block is provided with a plurality of first heating heads distributed at equal distances, and a first heat conductive member is used between the first heating head and the first heating core The fixing plate is connected with the first fixing block, the outer wall of which is located above and below the first fixing block is provided with a connecting hole, the inner wall of the connecting hole is provided with a bracket, the outer wall of the bracket is provided with a motor, the output shaft of the motor is connected with a fan blade, the inner walls of the heating chamber on both sides of the fixing plate are provided with a second fixing block, the interior of the second fixing block is provided with a second heating core, the outer wall of the second fixing block is provided with a heating plate, the outer wall of the heating plate is provided with a plurality of second heating heads distributed at equal distances, the heating plate and the second heating core are connected through a second heat-conducting strip, the inner wall of the shell is provided with a mounting plate, the outer wall of the mounting plate is fixedly connected with a mounting block, the outer wall of the mounting block is fixedly connected with a temperature sensor, and the outer wall of the mounting plate located above or below the mounting block is provided with a flow opening.

[0007] Through the above technical scheme: when in use, carbon dioxide gas enters into the shell from the inflation port, the control motor works to drive the fan blades to rotate, the rotation of the fan blades can drive the gas flow in the heating chamber, when the gas passes through the heating chamber, the first heating core works to transfer heat to the first heating head, the second heating core works to transfer heat to the second heating head, the first heating head and the second heating head work together to heat the carbon dioxide gas, during heating, the temperature sensor can detect the heated gas, and transmit the temperature signal to the main control board, the main control board controls the heating power of the heating chamber according to the temperature, when the gas is heated to the specified temperature, the carbon dioxide gas enters the inflation pipe along the filter and the pressure regulating valve, and finally the gas in the inflation pipe enters the human abdominal cavity, avoiding the low-temperature compressed gas from directly entering the human abdominal cavity, the heating effect is better, and will not cause physical discomfort to the patient after surgery.

[0008] The present invention is further configured such that a cross section of the first fixing block is a semicircular structure.

[0009] The present invention is further configured such that guide plates are provided on both sides of the fixing plate, and the outer wall of the guide plate close to the first fixing block is designed to be an arc surface.

[0010] The present invention is further configured such that guide blocks are provided on both inner walls of the connecting hole, and the cross-section of the guide blocks is a right-angled triangle structure.

[0011] The present invention is further configured such that a cross section of the second fixing block is a quarter-circular structure.

[0012] The present invention is further configured such that a mounting groove is provided on an outer wall of one side of the shell, and a touch display screen is provided on an inner wall of the mounting groove.

[0013] The present invention is further configured such that a proportional valve group is also provided on the bottom inner wall of the shell.

[0014] The present invention is further configured such that a smoke inlet is provided on one side of the shell, a smoke removal cylinder is provided on the other side of the shell, the smoke removal cylinder is connected to the shell, and a smoke removal filter is provided on the inner wall of the smoke removal cylinder.

[0015] The present invention is further configured such that a power interface is provided on one side of the shell, and a power switch is provided on the other side of the shell.

[0016] The beneficial effects of the present invention are:

[0017] 1. When the large-flow pneumoperitoneum device with heating function is used, carbon dioxide gas enters into the shell from the inflation port, and the control motor is operated to drive the fan blades to rotate. The rotation of the fan blades can drive the gas flow in the heating chamber. When the gas passes through the heating chamber, the first heating core can transfer heat to the first heating head, and the second heating core can transfer heat to the second heating head. The first heating head and the second heating head work together to heat the carbon dioxide gas. During heating, the temperature sensor can detect the heated gas and transmit the temperature signal to the main control board, which controls the heating power of the heating chamber according to the temperature. When the gas is heated to the specified temperature, the carbon dioxide gas enters the inflation pipe along the filter and the pressure regulating valve, and finally the gas in the inflation pipe enters the human abdominal cavity, avoiding the low-temperature compressed gas from directly entering the human abdominal cavity. The heating effect is better and will not cause physical discomfort to the patient after surgery.

[0018] 2. The large-flow pneumoperitoneum device with heating function has a first fixed block with a semicircular cross-section and a relatively smooth surface, which can conveniently guide the airflow to both sides, thereby improving the smoothness of the circulation of carbon dioxide gas. The guide plate with an arc-shaped outer wall close to the first fixed block can conveniently cooperate with the first fixed block to introduce the gas into the connecting hole, thereby avoiding the occurrence of gas retention in the heating chamber. The setting of the guide block can facilitate the gas to flow along the inclined surface of the triangle, thereby improving the flow rate of carbon dioxide gas. The surface of the second fixed block with a one-quarter circular cross-section has a certain curvature, thereby increasing the heating area of ​​the gas and conveniently guiding the gas to the middle, thereby improving the smoothness of the gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a large-flow pneumoperitoneum device with heating function proposed by the present invention;

[0020] Figure 2 This is a side view of the structure of a large flow rate pneumoperitoneum device with heating function proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the top view of the structure of a large-flow pneumoperitoneum device with heating function proposed by the present invention;

[0022] Figure 4 This is a schematic cross-sectional structural diagram of a heating chamber of a large-flow pneumoperitoneum device with a heating function proposed by the present invention;

[0023] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0024] In the figure: 1. Smoke removal cylinder; 2. Power interface; 3. Heating module; 4. Heating chamber fixing seat; 5. Touch screen; 6. Smoke inlet; 7. Inflation port; 8. Shell; 9. Proportional valve group; 10. Heating chamber; 11. Filter; 12. Pressure regulating valve; 13. Gas source interface; 14. Power switch; 15. Mounting plate; 16. Temperature sensor; 17. Fixing plate; 18. First heating core; 19. First heating head; 20. First fixing block; 21. First thermal conductive strip; 22. Second heating head; 23. Heating plate; 24. Second heating core; 25. Second fixing block; 26. Motor; 27. Bracket; 28. Connecting hole; 29. ​​Fan blade; 30. Guide block. DETAILED DESCRIPTION

[0025] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0028] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0029] Reference Figure 1-5 A high-flow pneumoperitoneum device with a heating function comprises a shell 8, a gas filling port 7 is arranged on one side of the shell 8, a gas source interface 13 is arranged on the other side of the shell 8, a filter 11 is fixedly connected to the bottom inner wall of the shell 8, a pressure regulating valve 12 is connected to the output end of the filter 11, and the gas source interface 13 is connected to the output end of the pressure regulating valve 12, and a heating module 3 is arranged on the bottom inner wall of the shell 8, the heating module 3 comprises a heating chamber fixing seat 4 and a main control board, a heating chamber 10 is fixedly connected to the top of the heating chamber fixing seat 4, a fixing plate 17 is arranged on the inner wall of the heating chamber 10, a first fixing block 20 is arranged on the outer wall of the fixing plate 17, a first heating core 18 is arranged inside the first fixing block 20, a plurality of first heating heads 19 distributed at equal distances are arranged on the outer wall of the first fixing block 20, and a first heat conducting strip 21 is adopted between the first heating head 19 and the first heating core 18 The fixing plate 17 is connected to each other, and the outer wall above and below the first fixing block 20 is provided with a connecting hole 28, the inner wall of the connecting hole 28 is provided with a bracket 27, the outer wall of the bracket 27 is provided with a motor 26, and the output shaft of the motor 26 is connected with a fan blade 29, and the inner wall of the heating chamber 10 on both sides of the fixing plate 17 is provided with a second fixing block 25, the interior of the second fixing block 25 is provided with a second heating core 24, the outer wall of the second fixing block 25 is provided with a heating plate 23, and the outer wall of the heating plate 23 is provided with a plurality of second heating heads 22 distributed at equal distances, and the heating plate 23 is connected to the second heating core 24 through a second heat-conducting strip, the inner wall of the shell 8 is provided with a mounting plate 15, the outer wall of the mounting plate 15 is fixedly connected with a mounting block, the outer wall of the mounting block is fixedly connected with a temperature sensor 16, and the outer wall of the mounting plate 15 located above or below the mounting block is provided with a flow port.

[0030] Specifically, the cross-section of the first fixed block 20 is a semicircular structure, and the surface of the first fixed block 20 with a semicircular cross-section is relatively smooth, which can conveniently guide the airflow to both sides, thereby improving the smoothness of the circulation of carbon dioxide gas; guide plates are provided on both sides of the fixed plate 17, and the guide plates are designed with an arc surface near the outer wall of the first fixed block 20. The guide plates with an arc surface design near the outer wall of the first fixed block 20 can conveniently cooperate with the first fixed block 20 to introduce the gas into the connecting hole 28, thereby avoiding the occurrence of gas retention in the heating chamber 10.

[0031] Specifically, guide blocks 30 are provided on the inner walls on both sides of the connecting hole 28, and the cross-section of the guide blocks 30 is a right-angled triangle structure. The setting of the guide blocks 30 can facilitate the gas to flow along the inclined surface of the triangle, thereby increasing the flow rate of the carbon dioxide gas.

[0032] Specifically, the cross section of the second fixing block 25 is a quarter-circular structure, and the surface of the second fixing block 25 with a quarter-circular cross section has a certain curvature, which increases the heating area of ​​the gas and can facilitate the gas to be guided to the middle, thereby improving the smoothness of the gas.

[0033] Specifically, an installation groove is provided on one side outer wall of the shell 8, and a touch display screen 5 is provided on the inner wall of the installation groove. The setting of the touch display screen 5 can display the temperature of the heating gas on the one hand, and can easily adjust the temperature on the other hand, thereby improving the convenience of operation.

[0034] Specifically, a proportional valve group 9 is also provided on the bottom inner wall of the shell 8. When the user presses the pneumoperitoneum switch through the touch display screen 5, the main control board will set the air outlet opening of the proportional valve group 9 through the airflow adjustment interface, and then open the air outlet valve of the proportional valve group 9. At this time, gas will flow out of the air outlet of the proportional valve group 9, and the flow rate is the set flow rate value, which is convenient for controlling the flow rate.

[0035] Specifically, a smoke inlet 6 is provided on one side of the shell 8, and a smoke removal tube 1 is provided on the other side of the shell 8. The smoke removal tube 1 is connected to the shell 8, and a smoke removal filter is provided on the inner wall of the smoke removal tube 1. Smoke is generated when the electric knife is working. The smoke can enter the shell 8 from the smoke inlet 6 along the pipe. When the smoke in the shell 8 passes through the smoke removal tube 1, the smoke removal filter can filter the smoke and will not affect the field of view of the operation.

[0036] Specifically, a power interface 2 is provided on one side of the shell 8, and a power switch 14 is provided on the other side of the shell 8. The power interface 2 can be used to conveniently charge the device, and the power switch 14 can conveniently control the on and off of the device, thereby improving the convenience of operation.

[0037] Working principle: When in use, carbon dioxide gas enters the shell 8 from the inflation port 7, and the control motor 26 works to drive the fan blades 29 to rotate. The rotation of the fan blades 29 can drive the gas flow in the heating chamber 10. When the gas passes through the heating chamber 10, the first heating core 18 works to transfer heat to the first heating head 19, and the second heating core 24 works to transfer heat to the second heating head 22. The first heating head 19 and the second heating head 22 work together to heat the carbon dioxide gas. During heating, the temperature sensor 16 can detect the heated gas and transmit the temperature signal to the main control board, which controls the heating power of the heating chamber 10 according to the temperature. When the gas is heated to the specified temperature, the carbon dioxide gas enters the inflation pipe along the filter 11 and the pressure regulating valve 12, and finally the gas in the inflation pipe enters the human abdominal cavity, avoiding the low-temperature compressed gas from directly entering the human abdominal cavity. The heating effect is better and will not cause physical discomfort to the patient after surgery.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-flow pneumoperitoneum device with a heating function, comprising a shell (8), one side of the shell (8) is provided with an inflation port (7), the other side of the shell (8) is provided with an air source interface (13), a filter (11) is fixedly connected to the bottom inner wall of the shell (8), the output end of the filter (11) is connected to a pressure regulating valve (12), and the output end of the pressure regulating valve (12) is connected to the air source interface (13), characterized in that: A heating module (3) is arranged on the inner wall of the bottom of the shell (8), and the heating module (3) comprises a heating chamber fixing seat (4) and a main control board. The top of the heating chamber fixing seat (4) is fixedly connected with the heating chamber (10). A fixing plate (17) is arranged on the inner wall of the heating chamber (10). A first fixing block (20) is arranged on the outer wall of the fixing plate (17). A first heating core (18) is arranged inside the first fixing block (20). A plurality of first heating heads (19) distributed at equal distances are arranged on the outer wall of the first fixing block (20). The first heating heads (19) and the first heating core (18) are connected by a first heat conducting strip (21). The outer walls of the fixing plate (17) located above and below the first fixing block (20) are both provided with connecting holes (28). The inner wall of the connecting hole (28) is provided with a bracket (27). A motor (26) is arranged on the outer wall of the frame (27), and the output shaft of the motor (26) is connected to a fan blade (29). The inner walls of the heating chamber (10) on both sides of the fixing plate (17) are provided with second fixing blocks (25), and a second heating core (24) is arranged inside the second fixing block (25). A heating plate (23) is arranged on the outer wall of the second fixing block (25), and a plurality of second heating heads (22) distributed at equal distances are arranged on the outer wall of the heating plate (23). The heating plate (23) and the second heating core (24) are connected via a second heat conducting strip. A mounting plate (15) is arranged on the inner wall of the shell (8), and a mounting block is fixedly connected to the outer wall of the mounting plate (15), and a temperature sensor (16) is fixedly connected to the outer wall of the mounting block. A flow opening is provided on the outer wall of the mounting plate (15) located above or below the mounting block.

2. A high-flow pneumoperitoneum device with heating function according to claim 1, characterized in that: The cross section of the first fixing block (20) is a semicircular structure.

3. A high-flow pneumoperitoneum device with heating function according to claim 2, characterized in that: Guide plates are provided on both sides of the fixing plate (17), and the outer wall of the guide plate close to the first fixing block (20) is designed to be an arc surface.

4. A high-flow pneumoperitoneum device with heating function according to claim 3, characterized in that: Guide blocks (30) are provided on both inner walls of the communicating hole (28), and the cross section of the guide blocks (30) is a right-angled triangle structure.

5. The high-flow pneumoperitoneum device with heating function according to claim 1, characterized in that: The cross section of the second fixing block (25) is a quarter-circular structure.

6. The high-flow pneumoperitoneum device with heating function according to claim 1, characterized in that: An installation groove is provided on one outer wall of the housing (8), and a touch display screen (5) is provided on the inner wall of the installation groove.

7. The high-flow pneumoperitoneum device with heating function according to claim 1, characterized in that: A proportional valve group (9) is also provided on the bottom inner wall of the housing (8).

8. The high-flow pneumoperitoneum device with heating function according to claim 1, characterized in that: A smoke inlet (6) is provided on one side of the shell (8), and a smoke removal cylinder (1) is provided on the other side of the shell (8); the smoke removal cylinder (1) is connected to the shell (8), and a smoke removal filter is provided on the inner wall of the smoke removal cylinder (1).

9. A high-flow pneumoperitoneum device with heating function according to claim 8, characterized in that: A power interface (2) is provided on one side of the housing (8), and a power switch (14) is provided on the other side of the housing (8).

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