Efficient air interchanger for gastrointestinal surgery
By using a multi-channel gas delivery pipe and pressure control system, the problems of low gas exchange efficiency and gas pressure fluctuation in traditional pneumoperitoneum machines have been solved, achieving a stable pneumoperitoneum environment and safe gas management, and reducing the risk of infection.
Patent Information
- Application Number
- CN202520272864.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Traditional pneumoperitoneum machines have low ventilation efficiency, large air pressure fluctuations, and pose safety hazards, affecting the surgical field of vision and increasing the risk of infection.
It employs a multi-channel gas delivery tube, pressure sensor, and flow controller, combined with a gas filter and recovery device, to achieve uniform gas distribution and stable control, and is equipped with an adjustable nozzle to adapt to surgical needs.
It improves ventilation efficiency, maintains a stable air pressure environment, reduces the risk of infection, and ensures a clear surgical field and safe operation.
Smart Images

Figure CN223601513U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field especially relates to a high -efficient ventilation device for gastrointestinal operation. BACKGROUND
[0002] Gastrointestinal surgery usually refers to the treatment method that the mucosa tissue is repaired through surgical operation after suffering from gastrointestinal ulcer perforation, gastrointestinal obstruction or severe gastrointestinal mucosa infection damage.
[0003] In the process of gastrointestinal surgery, in order to obtain clear surgical field, carbon dioxide gas is usually filled into abdominal cavity using a pneumoperitoneum machine to establish a pneumoperitoneum environment. However, the traditional pneumoperitoneum machine has the following shortcomings:
[0004] 1. Low ventilation efficiency: the traditional pneumoperitoneum machine adopts a single gas inlet and gas outlet, and the gas flow path is single, which can easily cause uneven distribution of gas in the abdominal cavity and affect the surgical field.
[0005] 2. Large gas pressure fluctuation: the traditional pneumoperitoneum machine is difficult to accurately control the gas pressure, which can easily cause gas pressure fluctuation and affect the surgical operation.
[0006] 3. Safety hazard: the traditional pneumoperitoneum machine lacks effective filtering device, and smoke and bacteria generated during the operation can easily pollute the operation environment and increase the risk of infection. INVENTION CONTENTS
[0007] In view of the shortcomings of the prior art, the utility model provides a high -efficient ventilation device for gastrointestinal operation, which overcomes the shortcomings of the prior art and effectively solves the problems of low ventilation efficiency, large gas pressure fluctuation and safety hazard in the prior art.
[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0009] A high -efficient ventilation device for gastrointestinal operation, comprising a deflation mechanism, the deflation mechanism is provided with a gas recovery mechanism on one side, and a pneumoperitoneum needle is arranged between the deflation mechanism and the gas recovery mechanism.
[0010] The deflation mechanism comprises a carbon dioxide deflation bottle, a deflation pipe, a first flow controller and a gas heating humidifier, wherein the deflation pipe is fixedly connected to the gas outlet of the carbon dioxide deflation bottle, and the first flow controller and the gas heating humidifier are installed on the outer wall of the deflation pipe.
[0011] Preferably, the gas recovery mechanism comprises a carbon dioxide gas collection bottle, an air extraction pipe, a negative pressure aspirator, a second flow controller and a gas purifier, wherein the air extraction pipe is fixedly connected to the gas inlet of the carbon dioxide gas collection bottle, and the negative pressure aspirator, the second flow controller and the gas purifier are installed on the outer wall of the air extraction pipe.
[0012] Preferably, the gas trocar needle comprises a gas path regulating valve, a needle cylinder and a multi-channel gas delivery pipe, wherein the needle cylinder is arranged at the bottom of the gas path regulating valve, and the multi-channel gas delivery pipe is fixedly connected to the outer wall of the bottom of the gas path regulating valve.
[0013] Preferably, the outer wall of each of the first flow controller and the second flow controller is provided with a flow control valve, and the top and one side of the outer wall of the flow control valve are respectively provided with a pressure gauge and an alarm.
[0014] Preferably, one end of the outer wall of each of the gas discharge pipe and the gas suction pipe is fixedly connected to the interface of the gas path regulating valve.
[0015] Preferably, the end of the gas inlet branch pipe of the multi-channel gas delivery pipe is provided with a nozzle.
[0016] Preferably, the gas heating and humidifying device adopts constant temperature control.
[0017] The beneficial effects of the utility model are as follows:
[0018] 1. The gastrointestinal surgery efficient gas exchange device adopts a multi-channel gas delivery pipe, can uniformly deliver carbon dioxide gas to each part of the abdominal cavity, effectively improves the gas exchange efficiency, obtains a clear surgical field, and improves the gas exchange efficiency.
[0019] 2. The gastrointestinal surgery efficient gas exchange device adopts a pressure sensor and a flow controller, can monitor and adjust the gas pressure in real time, maintains a stable pneumoperitoneum environment, and ensures smooth operation.
[0020] 3. The gastrointestinal surgery efficient gas exchange device adopts a gas filter and a gas recovery device, can effectively filter and purify the gas, prevents smoke and bacteria generated during the operation from polluting the operation environment, reduces the risk of infection, and has the characteristics of safety and reliability.
[0021] 4. The gastrointestinal surgery efficient gas exchange device is provided with an adjustable angle nozzle at the end of the gas inlet branch pipe of the multi-channel gas delivery pipe, can adjust the gas injection direction according to the operation needs, and is convenient and flexible to operate. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 The utility model provides a kind of gastrointestinal surgery efficient gas exchange device overall structure schematic diagram;
[0023] Figure 2 The utility model provides a kind of gastrointestinal surgery efficient gas exchange device gas release mechanism schematic diagram;
[0024] Figure 3A gas recovery mechanism schematic view of a high-efficiency ventilation device for gastrointestinal surgery is provided in the utility model.
[0025] Figure 4 A gas-tube needle structure schematic view of a high-efficiency ventilation device for gastrointestinal surgery is provided in the utility model.
[0026] Figure 5 A flow controller structure schematic view of a high-efficiency ventilation device for gastrointestinal surgery is provided in the utility model.
[0027] In the figure: 1, the deflation mechanism; 11, carbon dioxide deflation bottle; 12, deflation pipe; 13, first flow controller; 14, gas heating humidifier; 2, gas recovery mechanism; 21, carbon dioxide gas collection bottle; 22, suction pipe; 23, negative pressure aspirator; 24, second flow controller; 25, gas purifier; 3, gas-tube needle; 31, gas path regulating valve; 32, needle cylinder; 33, multi-channel gas delivery pipe; 4, flow control valve; 5, pressure gauge; 6, alarm; 7, nozzle. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0029] Embodiment one, refer to Figure 1 A high-efficiency ventilation device for gastrointestinal surgery, comprising a deflation mechanism 1, the deflation mechanism 1 side is provided with gas recovery mechanism 2, and the deflation mechanism 1 and gas recovery mechanism 2 between gas-tube needle 3 are provided with.
[0030] Embodiment two, refer to Figure 2 A high-efficiency ventilation device for gastrointestinal surgery, the deflation mechanism 1 includes carbon dioxide deflation bottle 11, deflation pipe 12, first flow controller 13 and gas heating humidifier 14, wherein, deflation pipe 12 is fixedly connected on the gas outlet of carbon dioxide deflation bottle 11, and first flow controller 13 and gas heating humidifier 14 are all installed on the outer wall of deflation pipe 12.
[0031] Embodiment three, refer to Figure 3 Gas recovery mechanism 2 includes carbon dioxide gas collection bottle 21, suction pipe 22, negative pressure aspirator 23, second flow controller 24 and gas purifier 25, wherein, suction pipe 22 is fixedly connected on the gas inlet of carbon dioxide gas collection bottle 21, and negative pressure aspirator 23, second flow controller 24 and gas purifier 25 are all installed on the outer wall of suction pipe 22.
[0032] Embodiment four, refer to Figure 4The gas-tube needle 3 comprises a gas path regulating valve 31, a needle cylinder 32 and a multi-channel gas delivery pipe 33, wherein the needle cylinder 32 is arranged at the bottom of the gas path regulating valve 31, and the multi-channel gas delivery pipe 33 is fixedly connected to the outer wall of the bottom of the gas path regulating valve 31.
[0033] With reference to Figure 5 The outer wall of the first flow controller 13 and the second flow controller 24 is respectively provided with a flow control valve 4, and the top and one side of the outer wall of the flow control valve 4 is respectively provided with a pressure gauge 5 and an alarm 6.
[0034] With reference to Figures 2-3 One end of the outer wall of the gas exhaust pipe 12 and the gas suction pipe 22 is fixedly connected to the interface of the gas path regulating valve 31.
[0035] With reference to Figure 4 The end of the gas inlet branch pipe of the multi-channel gas delivery pipe 33 is provided with a nozzle 7.
[0036] With reference to Figure 2 The gas heating and humidifying device 14 adopts constant temperature control.
[0037] Working principle: in the gas inlet stage, after the incision of the abdomen of the patient, the gas-tube needle 3 is inserted into the abdomen, then the gas exhaust pipe 12 is connected, the carbon dioxide gas bottle 11 releases carbon dioxide into the abdomen, in this process, the gas heating and humidifying device 14 is used for heating and humidifying the carbon dioxide gas, the first flow controller 13 is used for controlling the flow and pressure of the gas, and a stable pneumoperitoneum environment is maintained, wherein the pressure gauge 5 is used for monitoring the gas pressure in the abdominal cavity in real time, the flow control valve 4 is used for adjusting the flow of the gas according to the feedback signal of the pressure gauge 5, and the stable gas pressure is maintained, the alarm 6 can send an alarm signal when the gas pressure exceeds the preset range, and the multi-channel gas delivery pipe 33 is used for uniformly delivering the carbon dioxide gas to each part of the abdominal cavity.
[0038] In the gas exhaust stage, the gas exhaust pipe 12 is blocked by the gas path regulating valve 31, then the gas suction pipe 22 is connected, the carbon dioxide gas is discharged into the carbon dioxide gas collecting bottle 21 through the gas suction pipe 22, in this process, the negative pressure aspirator 23 is used for generating negative pressure to suck out the carbon dioxide gas in the abdominal cavity, and the gas purifier 25 is used for filtering and purifying the recovered carbon dioxide gas.
[0039] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A high-efficiency ventilation device for gastrointestinal surgery, comprising a deflation mechanism (1), characterized in that, The deflation mechanism (1) is provided with a gas recovery mechanism (2) on one side, and a gas trocar (3) is arranged between the deflation mechanism (1) and the gas recovery mechanism (2). The deflation mechanism (1) comprises a carbon dioxide deflation bottle (11), a deflation pipe (12), a first flow controller (13) and a gas heating and humidifying device (14), wherein the deflation pipe (12) is fixedly connected to the gas outlet of the carbon dioxide deflation bottle (11), and the first flow controller (13) and the gas heating and humidifying device (14) are both installed on the outer wall of the deflation pipe (12).
2. The high efficiency gas exchanger for gastrointestinal surgery of claim 1, wherein, The gas recovery mechanism (2) comprises a carbon dioxide gas collection bottle (21), a gas suction pipe (22), a negative pressure aspirator (23), a second flow controller (24) and a gas purifier (25), wherein the gas suction pipe (22) is fixedly connected to the gas inlet of the carbon dioxide gas collection bottle (21), and the negative pressure aspirator (23), the second flow controller (24) and the gas purifier (25) are all installed on the outer wall of the gas suction pipe (22).
3. The high efficiency gas exchanger for gastrointestinal surgery of claim 1, wherein, The gas trocar (3) comprises a gas path regulating valve (31), a needle cylinder (32) and a multi-channel gas delivery pipe (33), wherein the needle cylinder (32) is arranged at the bottom of the gas path regulating valve (31), and the multi-channel gas delivery pipe (33) is fixedly connected to the outer wall of the bottom of the gas path regulating valve (31).
4. The high efficiency gas exchanger for gastrointestinal surgery of claim 1, wherein, Flow control valves (4) are arranged on the outer walls of the first flow controller (13) and the second flow controller (24), and a pressure gauge (5) and an alarm (6) are respectively installed on the top and one side of the outer wall of the flow control valve (4).
5. The high efficiency gas exchanger for gastrointestinal surgery of claim 1, wherein, The outer walls of one end of the deflation pipe (12) and the gas suction pipe (22) are fixedly connected to the interface of the gas path regulating valve (31).
6. The high efficiency gas exchanger for gastrointestinal surgery of claim 3, wherein, A nozzle (7) is arranged at the end of the gas inlet branch pipe of the multi-channel gas delivery pipe (33).
7. The high efficiency gas exchanger for gastrointestinal surgery of claim 1, wherein, The gas heating and humidifying device (14) adopts constant temperature control.