Pneumoperitoneum machine
By introducing heating and smoke removal functions into the insufflator, the problems of temperature difference and water vapor condensation caused by carbon dioxide vaporization are solved, ensuring patient comfort and clear vision during the operation.
Patent Information
- Application Number
- CN202422801607.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-18
AI Technical Summary
During the use of existing pneumoperitoneum machines, carbon dioxide vaporization absorbs heat energy, lowering the patient's body temperature. This temperature difference causes water vapor condensation, affecting the clarity of the surgical field and the patient's health.
An insufflation machine was designed, comprising a pressure-reducing pipeline, a heating pipeline, and first and second smoke removal pipelines. The gas is heated through the heating pipeline, and the smoke removal function is achieved by using a vacuum pump and a proportional valve, ensuring that the gas temperature is suitable and the clarity is high.
It achieves gas temperature regulation and effective smoke removal, ensuring patient comfort and a clear surgical field during the operation.
Smart Images
Figure CN223746440U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, concretely relates to a pneumoperitoneum machine. BACKGROUND
[0002] The pneumoperitoneum machine is a special equipment for establishing and maintaining pneumoperitoneum in laparoscopic surgery, and its role is to establish artificial pneumoperitoneum, that is, to separate the abdominal wall and organs by mechanical pressurization and inflation of the pneumoperitoneum machine, so as to provide sufficient operation space for surgery and avoid damage to organs when the puncture cannula penetrates into the abdominal cavity.
[0003] In the use process of the existing pneumoperitoneum machine, since it converts liquid carbon dioxide into gaseous carbon dioxide, a large amount of heat energy is absorbed during the gasification process of carbon dioxide, and the temperature of carbon dioxide changes to room temperature, i.e., about 20 degrees Celsius, during the gaseous delivery process. The carbon dioxide at room temperature or around the room temperature entering the patient's body will lower the patient's temperature and affect the patient's health.
[0004] In addition, due to the temperature difference between the carbon dioxide gas and the abdominal cavity, water vapor condensation is easy to occur, which cannot meet the requirement of lens clarity, and smoke interference will occur during the operation process, which will affect the doctor's vision. Therefore, a pneumoperitoneum machine capable of realizing heating and smoke removal is needed to meet the operation requirements SUMMARY
[0005] In view of the deficiencies in the background art, the utility model provides a pneumoperitoneum machine capable of simultaneously heating and removing smoke.
[0006] To solve the above technical problems, the utility model provides the following technical scheme: a pneumoperitoneum machine, comprising a pressure reduction pipeline for reducing the pressure of the input gas source;
[0007] A heating pipeline is connected to the gas outlet of the pressure reduction pipeline for heating the output gas of the pressure reduction pipeline, and comprises a normally closed electromagnetic valve, a hydrophobic filter and a heating pipe connected in sequence;
[0008] A second normally closed electromagnetic valve is connected to the gas outlet of the pressure reduction pipeline;
[0009] A first smoke removal pipeline and a second smoke removal pipeline are provided with filters, the inlet of the first smoke removal pipeline is connected to the outlet of the second normally closed electromagnetic valve, and the inlet of the second smoke removal pipeline is connected to the vacuum pump through the first smoke removal pipeline, a proportional adjustment pipeline is arranged between the first smoke removal pipeline and the second smoke removal pipeline, a proportional valve is arranged on the proportional adjustment pipeline, and the proportional valve is arranged between the vacuum pump and the filter.
[0010] In certain embodiments, the pressure reducing pipeline comprises a high-pressure pressure reducing valve, a third normally closed electromagnetic valve, a low-pressure pressure reducing valve, a second proportional valve and a flow sensor connected in sequence through the pressure reducing gas pipe; a pressure detection pipeline is arranged between the high-pressure pressure reducing valve and the third normally closed electromagnetic valve, and a pressure sensor is arranged on the pressure detection pipeline; a pressure relief pipeline is arranged between the low-pressure pressure reducing valve and the second proportional valve, and a safety valve is arranged on the pressure relief pipeline.
[0011] In certain embodiments, the safety pressure threshold of the safety valve is 1.2 bar.
[0012] In certain embodiments, the gas output port of the pressure reducing pipeline is further connected with a silencing pipeline, and a normally open electromagnetic valve and a silencer are arranged in sequence on the silencing pipeline along the gas conveying direction.
[0013] In certain embodiments, a second pressure detection pipeline is arranged on the heating pipeline between the normally closed electromagnetic valve and the hydrophobic filter, and a second pressure sensor is arranged on the second pressure detection pipeline.
[0014] In certain embodiments, the inlet of the filter on the first smoke removing pipeline is further connected with a second silencing pipeline, and a second normally open electromagnetic valve and a second silencer are arranged in sequence on the second silencing pipeline along the gas conveying direction.
[0015] In certain embodiments, the outlet of the filter on the first smoke removing pipeline is further connected with a third pressure detection pipeline, and a third pressure sensor is arranged on the third pressure detection pipeline.
[0016] In certain embodiments, the gas input port of the pressure reducing pipeline is connected with a second hydrophobic filter.
[0017] In certain embodiments, when the gas is heated, the second normally closed electromagnetic valve is closed.
[0018] In certain embodiments, when the smoke is drawn, the second normally closed electromagnetic valve is opened, and the second proportional valve is closed.
[0019] The utility model has the beneficial effects compared with prior art: in actual use, the utility model heats the gas through the heating pipeline, thereby avoiding that the gas temperature input into the patient is too low; additionally, the second normally closed electromagnetic valve is opened and the vacuum pump and the proportional valve are opened, so that the gas can be de-smoked, thereby making the pneumoperitoneum machine satisfy the heating and smoke drawing functions and meeting the actual operation needs. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The structure schematic view of the utility model in the embodiment. DETAILED DESCRIPTION
[0021] The illustrative embodiments of this application include, but are not limited to, an insufflator.
[0022] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.
[0023] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The singular forms “a,” “the,” and “the” used in this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items. Words such as “comprising” or “including” mean that the element or object preceding “comprising” or “including” covers the element or object listed following “comprising” or “including” and its equivalents, and does not exclude other elements or objects. Words such as “connected” or “linked” are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect.
[0024] It should be understood that although the terms first, second, third, etc., may be used in this application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "when," "when," or "in response to determination."
[0025] like Figure 1 As shown, an insufflator includes...
[0026] Pressure reducing line 1 is used to reduce the pressure of the input gas source;
[0027] Heating pipe 2 is connected to the gas output port of pressure reducing pipe 1 and is used to heat the output gas of pressure reducing pipe 1. It includes a normally closed solenoid valve 20, a hydrophobic filter 21 and a heating pipe 22 connected in sequence.
[0028] The inlet of the second normally closed solenoid valve 4 is connected to the gas outlet of the pressure reducing pipeline 1.
[0029] The first smoke removal pipeline 5 and the second smoke removal pipeline 6 are both provided with a filter 50, the inlet of the first smoke removal pipeline 5 is connected with the outlet of the second normally closed electromagnetic valve 4, and the inlet of the first smoke removal pipeline 5 is connected with the inlet of the second smoke removal pipeline 6 through a vacuum pump 60; a proportional adjustment pipeline 61 is arranged between the first smoke removal pipeline 5 and the second smoke removal pipeline 6, and a proportional valve is arranged on the proportional adjustment pipeline 61, and the proportional valve 61 is arranged between the vacuum pump 60 and the filter 50.
[0030] In actual use, the gas is heated by the heating pipeline 2, so that the temperature of the gas input into the patient is not too low; in addition, the second normally closed electromagnetic valve 4 is opened, and the vacuum pump 60 and the proportional valve 610 are opened, so that the gas can be de-smoked, so that the insufflation machine meets the heating and smoke extraction functions, and meets the actual operation needs.
[0031] Specifically, in the embodiment, the pressure reduction pipeline 1 comprises a high-pressure pressure reduction valve 10, a third normally closed electromagnetic valve 11, a low-pressure pressure reduction valve 12, a second proportional valve 13 and a flow sensor 14 which are sequentially connected through a pressure reduction gas pipe; a pressure detection pipeline 15 is arranged between the high-pressure pressure reduction valve 10 and the third normally closed electromagnetic valve 11, and a pressure sensor 150 is arranged on the pressure detection pipeline 15; a pressure relief pipeline 16 is arranged between the low-pressure pressure reduction valve 12 and the second proportional valve 13, and a safety valve 160 is arranged on the pressure relief pipeline 16; and the outlet of the flow sensor 14 is a gas output port of the pressure reduction pipeline 1.
[0032] In actual use, the pressure of the gas can be reduced once through the high-pressure pressure reduction valve 10, the pressure sensor 150 is used for detecting the gas pressure output by the high-pressure pressure reduction valve 10, and in addition, display control can be performed based on the detection result of the pressure sensor 150, for example, prompting can be performed when the pressure is too low, or the third normally closed electromagnetic valve 11 can be prevented from being opened when the pressure is too high;
[0033] In addition, the low-pressure pressure reduction valve 12 reduces the pressure of the gas twice, and the gas pressure output by the normal low-pressure pressure reduction valve 12 is 1.1 bar; if the gas pressure output by the low-pressure pressure reduction valve 12 is too large under abnormal conditions, the safety valve 160 can be used for pressure relief, and the safety pressure threshold of the safety valve 160 is 1.2 bar, for example. In addition, in the embodiment, the gas input port of the pressure reduction pipeline 1 is connected with a second hydrophobic filter 17, and the input gas can be filtered once through the second hydrophobic filter 17.
[0034] Specifically, in the embodiment, as shown in Figure 1 The gas output port of the pressure reduction pipeline 1 is also connected with a sound attenuation pipeline 9, and a normally open electromagnetic valve 90 and a sound attenuator 91 are sequentially arranged on the sound attenuation pipeline 9 along the gas conveying direction.
[0035] In actual use, the sound-attenuating pipeline 9 and the heating pipeline 2 jointly realize the heating of the gas, and the heating process is as follows: first, the normally closed electromagnetic valve 4 is closed, the gas output by the pressure reduction pipeline 1 is sequentially output after passing through the normally closed electromagnetic valve 20, the water drainage filter 21 and the heating pipeline 22, and the gas flow size can be adjusted by adjusting the caliber size of the second proportional valve 13; in addition, the pressure of the gas can be released through the sound-attenuating pipeline 9.
[0036] Specifically, in the embodiment, the second pressure detection pipeline 23 is arranged between the normally closed electromagnetic valve 20 and the water drainage filter 21 on the heating pipeline 2, and the second pressure sensor 230 is arranged on the second pressure detection pipeline 23. In actual use, the pressure of the gas output by the heating pipeline 2 can be detected by the second pressure sensor 230.
[0037] Specifically, in the embodiment, the second sound-attenuating pipeline 7 is further connected to the inlet of the filter 50 on the first smoke removal pipeline 5, and the second normally open electromagnetic valve 70 and the second sound attenuator 71 are sequentially arranged on the second sound-attenuating pipeline 7 along the gas conveying direction.
[0038] Specifically, in the embodiment, the third pressure detection pipeline 8 is further connected to the outlet of the filter 50 on the first smoke removal pipeline 5, and the third pressure sensor 80 is arranged on the third pressure detection pipeline 8. In actual use, the pressure of the gas output by the first smoke removal pipeline 5 can be detected by the third pressure sensor 80.
[0039] The smoke removal process of the utility model is analyzed as follows:
[0040] First, the inflation is carried out, in the inflation process, the second proportional valve 13 is opened, the second normally closed electromagnetic valve 4 is opened, and the gas reaches the pneumoperitoneum through the second normally closed electromagnetic valve 4 and the filter 50;
[0041] Then, the smoke removal is carried out, in the smoke removal process, the second proportional valve 13 is closed, the vacuum pump 60 and the proportional valve 610 are opened, and the circulation of the gas is started; in addition, when the third pressure sensor 80 detects that the pressure is lower than the set value, the second proportional valve 13 can be opened for air supplementing, and when the third pressure sensor 80 detects that the pressure reaches the set value, the second proportional valve 13 can be closed during the air supplementing process; in addition, the pressure can be released through the second sound-attenuating pipeline 7, and the abdominal pressure fluctuation can be adjusted by controlling the opening degree of the proportional valve 610. The controller can be arranged, and the controller can control the opening and closing of the second proportional valve 13 according to the detection pressure of the third pressure sensor 80.
[0042] In addition, in actual use, the vacuum pump 60 can have different speeds to set different smoke exhaust flow rates.
[0043] In addition, in actual use, the vacuum pump 60 can have different speeds to set different smoke exhaust flow rates. Figure 1In the middle, a single circular port in the ellipse is used to connect with the puncture device, and two concentric circular interfaces are used to connect the puncture device of the double airway.
[0044] According to the above disclosure, according to the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.
Claims
1. A pneumoperitoneum machine characterized in that, The utility model relates to a kind of gas heating device, including Pressure reducing pipeline (1) for the gas source of input is reduced pressure; Heating pipeline (2) is connected with the gas output port of the pressure reducing pipeline (1), for the output gas of pressure reducing pipeline (1) is heated, including pass through the sequentially connected normally closed solenoid valve (20), hydrophobic filter (21) and heating tube (22); Second normally closed solenoid valve (4), the inlet of the second normally closed solenoid valve (4) is connected with the gas output port of the pressure reducing pipeline (1); First smoke removal pipeline (5) and second smoke removal pipeline (6), the filter (50) is arranged on the first smoke removal pipeline (5) and second smoke removal pipeline (6), the inlet of the first smoke removal pipeline (5) is connected with the outlet of the second normally closed solenoid valve (4), and is connected with the inlet of the second smoke removal pipeline (6) by vacuum pump (60), and the first smoke removal pipeline (5) and second smoke removal pipeline (6) are equipped with proportional adjustment pipeline (61), and the proportional adjustment pipeline (61) is equipped with proportional valve (610), and the proportional valve (610) is between the vacuum pump (60) and filter (50).
2. A gas insufflation machine according to claim 1, wherein, The pressure reducing pipeline (1) includes high-pressure pressure reducing valve (10), third normally closed solenoid valve (11), low-pressure pressure reducing valve (12), second proportional valve (13) and flow sensor (14) sequentially connected by pressure reducing gas pipe;Pressure detection pipeline (15) is equipped between the high-pressure pressure reducing valve (10) and third normally closed solenoid valve (11), and pressure sensor (150) is arranged on the pressure detection pipeline (15);Pressure relief pipeline (16) is equipped between the low-pressure pressure reducing valve (12) and second proportional valve (13), and safety valve (160) is arranged on the pressure relief pipeline (16).
3. A gas insufflation machine according to claim 2, wherein, The safety pressure threshold of the safety valve (160) is 1.2bar.
4. The insufflator of claim 1, wherein, The gas output port of the pressure reducing pipeline (1) is also connected with silencing pipeline (9), and normally open solenoid valve (90) and silencer (91) are sequentially arranged on the silencing pipeline (9) along the gas conveying direction.
5. The insufflator of claim 1, wherein, Second pressure detection pipeline (23) is equipped between the normally closed solenoid valve (20) and hydrophobic filter (21) on the heating pipeline (2), and second pressure sensor (230) is arranged on the second pressure detection pipeline (23).
6. An insufflator according to claim 1, wherein The inlet of the filter (50) on the first smoke removal pipeline (5) is also connected with second silencing pipeline (7), and second normally open solenoid valve (70) and second silencer (71) are sequentially arranged on the second silencing pipeline (7) along the gas conveying direction.
7. The insufflator of claim 1, wherein, The outlet of the filter (50) on the first smoke removal pipeline (5) is also connected with third pressure detection pipeline (8), and third pressure sensor (80) is arranged on the third pressure detection pipeline (8).
8. The insufflator of claim 1, wherein, The gas input port of the pressure reducing pipeline (1) is connected with second hydrophobic filter (17).
9. An insufflator according to claim 2, wherein, When heating gas, the second normally closed solenoid valve (4) is closed.
10. The insufflator of claim 2, wherein, When smoking, the second normally closed solenoid valve (4) is opened, and the second proportional valve (13) is closed.