Automatic flue gas removing abdominal machine

Abstract

The utility model relates to an automatic flue gas removing abdominal machine, which is characterized in that a main body is a pneumoperitoneum machine for establishing and maintaining pneumoperitoneum; the pneumoperitoneum machine comprises an air inlet channel, and the two ends of the air inlet channel are connected with an air source and an abdominal cavity respectively. One end of the exhaust channel is communicated with the abdominal cavity, and a smoke removal pump and an electromagnetic valve are sequentially arranged in the airflow flowing direction; the micro-control unit is provided with a digital communication interface used for being connected with an endoscope camera system; wherein a branch pipe communicated with the exhaust passage is arranged at the air inlet end of the smoke removal pump, the other end of the branch pipe is communicated with the exhaust passage at the air outlet end of the smoke removal pump, and a speed regulating proportional valve is arranged on the branch pipe; and the micro-control unit is connected with the speed regulation proportional valve, the smoke removal pump and the electromagnetic valve. The smoke exhaust device has the advantages that the smoke exhaust device can adjust the size of smoke, adjust the gas displacement, ensure that the smoke is removed to the maximum extent with the minimum gas consumption, reduce the consumption of carbon dioxide gas and reduce the consumption cost of medical consumables.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment field, especially an automatic smoke gas abdominal distension machine. BACKGROUND

[0002] With the development of medical science and technology, the traditional gas abdominal distension machine does not have a smoke removal function, and the smoke generated during surgery interferes with clinicians, and the existing gas abdominal distension machine with a smoke removal function has a smoke removal function that is always started, which consumes a large amount of gas, and consumes too much during a surgery.

[0003] The existing gas abdominal distension machine with a smoke removal function needs to be always supplied with air to maintain balance when the smoke removal function is used, resulting in a large amount of gas consumption and serious loss of carbon dioxide gas. CN106510839A discloses a surgical operation intelligent smoke exhaust system and method, which controls the start and stop of the smoke removal pump to control the gas volume. However, this design has problems, as the smoke removal pump is frequently started and stopped, which can easily cause damage to the smoke removal pump; in addition, there is a certain fluctuation in gas flow during the instant when the smoke removal pump is paused and restarted, which affects the stability of the abdominal cavity environment. SUMMARY

[0004] The utility model aims at providing an automatic smoke gas abdominal distension machine, which can automatically adjust the exhaust volume according to the smoke condition and reduce the consumption of carbon dioxide.

[0005] The utility model is implemented through the following technical solutions: an automatic smoke gas abdominal distension machine is used in cooperation with an endoscope camera system 4, the main body of which is a gas abdominal distension machine that establishes and maintains a pneumoperitoneum; the gas abdominal distension machine comprises

[0006] an air inlet channel 1 connected to a gas source and an abdominal cavity at both ends to inject gas into the abdominal cavity;

[0007] an air outlet channel 2 communicated with the abdominal cavity and sequentially provided with a smoke removal pump 21 and an electromagnetic valve 22 along the air flow direction;

[0008] and a micro control unit 3 provided with a digital communication interface 31 for connecting with the endoscope camera system 4;

[0009] The air inlet end of the smoke removal pump 21 is provided with a branch pipe 23 communicated with the air outlet channel 2, the other end of the branch pipe 23 is communicated with the air outlet channel 2 of the air outlet end of the smoke removal pump 21, and a speed regulating proportional valve 24 is arranged on the branch pipe 23;

[0010] The micro control unit 3 is connected with the speed regulating proportional valve 24, the smoke removal pump 21 and the electromagnetic valve 22 and controls the speed regulating proportional valve 24, the smoke removal pump 21 and the electromagnetic valve 22 according to the smoke condition fed back by the endoscope camera system 4.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. It can adjust the size of smoke and exhaust volume, ensure to remove smoke with minimum air consumption, and reduce carbon dioxide gas consumption and medical consumable consumption cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the connection relationship diagram of various components in the utility model;

[0014] Figure 2 is the use flow chart of the utility model.

[0015] Label explanation: 1 air inlet channel, 2 exhaust channel, 21 smoke removal pump, 22 electromagnetic valve, 23 branch pipe, 24 speed regulating proportional valve, 3 micro control unit, 4 endoscope camera system. DETAILED DESCRIPTION

[0016] The utility model will be explained in detail in combination with the drawings as follows:

[0017] As shown in the figure: an automatic smoke gas abdominal distension machine, the main body is a pneumoperitoneum machine, establishes and maintains pneumoperitoneum;The pneumoperitoneum machine includes Figure 1 Air inlet channel 1, two ends are connected with gas source and abdominal cavity respectively, and gas is injected into abdominal cavity;

[0018] Exhaust channel 2, one end is communicated with abdominal cavity, and the smoke removal pump 21 and the electromagnetic valve 22 are sequentially arranged along the air flow direction;

[0019] And micro control unit 3, it is equipped with digital communication interface 31 for being connected with endoscope camera system 4;

[0020] Among them, the air inlet end of the smoke removal pump 21 is equipped with branch pipe 23 communicated with exhaust channel 2, another end of branch pipe 23 is communicated with the exhaust channel 2 of the air outlet end of smoke removal pump 21, and speed regulating proportional valve 24 is arranged on branch pipe 23;

[0021] The micro control unit 3 is connected with speed regulating proportional valve 24, smoke removal pump 21 and electromagnetic valve 22 and controls speed regulating proportional valve 24, smoke removal pump 21 and electromagnetic valve 22 according to the smoke condition fed back by endoscope camera system 4.

[0022] The utility model is internally equipped with two pipelines, which are air inlet channel 1 and exhaust channel 2 respectively, air inlet channel 1 ensures that gas source is injected into abdominal cavity to construct pneumoperitoneum;Smoke exhaust channel is mainly used to exhaust smoke in abdominal cavity.

[0023]

[0024] ​Unlike the traditional insufflation device, a speed regulating proportional valve 24 is arranged on the exhaust passage 2, and a micro control unit 3 is added for control, the speed regulating proportional valve 24 can adjust the smoke removal rate, and the size of the speed regulating proportional valve 24 is adjusted by the smoke condition fed back to the micro control unit 3 through the endoscope camera system 4. The insufflator is connected and communicated with the endoscope camera system through a digital communication interface 31 (such as RS232CAN), and the intelligent insufflator is started to remove smoke when the endoscope camera system detects smoke.

[0025] The micro control unit 3 further comprises a man-machine interaction module 32, and the micro control unit 3 is connected with the man-machine interaction module 32 and is operated and set through the man-machine interaction module. The man-machine interaction module here is a touch screen. The manual mode and the automatic mode can be switched through the touch screen to meet the operation requirements of the operator in various scenes, and the switch of the smoke removal pump 21 and the electromagnetic valve 22 and the size of the speed regulating proportional valve 24 can be controlled through the touch screen after the manual mode is switched.

[0026] It should be noted that the endoscope camera system can identify the smoke concentration, and different smoke concentrations can be identified by setting different sensitivities; this technology is prior art, so it will not be described in detail.

[0027] The insufflator can be set to the duration after starting to remove smoke, which reduces the influence of the smoke identification rate on the smoke removal effect, and avoids frequent self-starting of smoke removal;

[0028] As shown in Figure 2 The specific working principle steps of the utility model are as follows:

[0029] Step 1, start the insufflator, and start the automatic or manual mode according to the requirement; if the manual mode is started, the electromagnetic valve 22 is opened, and the size of the proportional valve is adjusted by the man-machine interaction module 32; if the automatic mode is started, step 2 is entered;

[0030] Step 2, the endoscope camera system 4 collects images in real time and determines the existence of smoke and feedback signals;

[0031] Step 3, the micro control unit 3 controls according to the signal condition fed back by the endoscope camera system 4; if there is smoke, the micro control unit 3 controls to open the electromagnetic valve 22 and the smoke removal pump 21, and adjusts the proportional valve to be small and ensures that the smoke removal passage continuously injects gas; if there is no smoke, the smoke removal pump 21 is kept open, the electromagnetic valve 22 is closed, and the proportional valve is adjusted to be large in unit time, and the injection of gas is stopped while the smoke removal is paused.

[0032] When the manual mode is selected, the electromagnetic valve is opened by default during continuous smoke removal, the proportional valve is small, the insufflator continuously injects gas, and the pressure of the insufflation is maintained.

[0033] When the selection is automatic smoke exhaust, the endoscope camera system has a smoke recognition algorithm built-in, which recognizes the state of the surgical field and outputs two states: with smoke and without smoke.

[0034] When the endoscope camera system triggers and receives a signal with smoke, the electromagnetic valve is opened, the proportional valve is closed, the gas injection is continued, and the abdominal pressure is maintained.

[0035] When the endoscope camera system triggers and receives a signal without smoke, the smoke exhaust electromagnetic valve is closed after a specified time, the proportional valve is adjusted, the smoke exhaust is paused, and the gas injection is not needed. This situation assumes that the abdominal cavity is well sealed. If the smoke exhaust is not started, the gas injection is not needed, and the abdominal cavity will continue to expand like a balloon. When the electromagnetic valve is closed, the smoke pump does not stop. The proportional valve is opened to prevent the positive and negative pressures in the system before and after the pump from being too high due to the continuous suction of the pump. The full opening allows the internal circulation.

[0036] Finally, it should be noted that the above-described preferred embodiments of the present application are not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic smoke and gas pocket removing machine for use in cooperation with an endoscope imaging system (4), characterized by: Its main body is a pneumoperitoneum machine, which establishes and maintains pneumoperitoneum; the pneumoperitoneum machine comprises An air inlet channel (1) is connected with a gas source and a peritoneal cavity respectively at two ends to inject gas into the peritoneal cavity; An air outlet channel (2) is communicated with the peritoneal cavity and sequentially provided with a smoke removal pump (21) and an electromagnetic valve (22) along the air flow direction; A micro control unit (3) is provided with a digital communication interface (31) for connecting with an endoscope camera system (4); The air inlet end of the smoke removal pump (21) is provided with a branch pipe (23) communicated with the air outlet channel (2), the other end of the branch pipe (23) is communicated with the air outlet channel (2) of the air outlet end of the smoke removal pump (21), and a speed regulating proportional valve (24) is arranged on the branch pipe (23); The micro control unit (3) is connected with the speed regulating proportional valve (24), the smoke removal pump (21) and the electromagnetic valve (22) and controls the speed regulating proportional valve (24), the smoke removal pump (21) and the electromagnetic valve (22) according to the smoke condition fed back by the endoscope camera system (4).

2. An automatic smoke evacuator according to claim 1, characterized in that: The digital communication interface (31) is RS232CAN.

3. An automatic smoke evacuator according to claim 1, wherein: The micro control unit (3) further comprises a man-machine interaction module (32), the micro control unit (3) is connected with the man-machine interaction module (32) and is operated and set through the man-machine interaction module.

4. An automatic smoke evacuator according to claim 3, wherein: The man-machine interaction module is a touch screen.

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