CN215996155U

CN215996155U - Laparoscopic surgery steady voltage filter equipment

Info

Publication number: CN215996155U
Application number: CN202121085446.0U
Authority: CN
Inventors: 王金波; 薛剑
Original assignee: Suzhou Zhenyi Medical Co ltd
Current assignee: Suzhou Zhenyi Medical Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-03-11
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a laparoscopic surgery pressure stabilizing and filtering device. The device comprises a pressure stabilizing cavity and a filter cavity which are matched for use, and is characterized in that the pressure stabilizing cavity is provided with an air inlet channel and an air outlet channel, and the filter cavity is provided with a recovery channel and a connecting channel; the air inlet channel is connected with an air supply device or a connecting channel, and the air outlet channel is connected with an operation device or a recovery channel; the recovery channel is connected with the operation device or the air outlet channel, the connecting channel is connected with the air supply device or the air inlet channel, and the filter cavity is internally provided with a filter device. Through setting up filter chamber and pressure stabilizing cavity to be linked together both, effective filtration laparoscopic surgery harmful gas and guarantee that atmospheric pressure is stable.

Description

Laparoscopic surgery steady voltage filter equipment

Technical Field

The utility model relates to a laparoscopic surgery pressure stabilizing and filtering device, and belongs to the technical field of medical instruments.

Background

The laparoscopic surgery is a newly developed minimally invasive method, and has the great advantages of short postoperative rehabilitation time, light postoperative pain, small wound infection rate, better appearance effect and the like compared with the traditional open surgery. With the rapid advance of industrial manufacturing technology, the fusion of related disciplines lays a firm foundation for the development of new technology and new method, and the more and more skillful operation of doctors makes many of the past open operations replaced by the intracavitary operations.

In the laparoscopic surgery, an abdominal cavity channel must be installed at a small incision of the abdomen to facilitate the insertion of a camera lens and various special surgical instruments, and a single-port or multi-port laparoscopic technique is often used for performing the surgery according to the actual situation. Generally, the laparoscopic surgery requires the abdominal cavity to be filled with carbon dioxide gas to a pressure of about 15mmHg to enlarge the internal space for performing the surgery. However, during laparoscopic surgery, laparoscopic surgical instruments, such as ultrasonic knives, are prone to generate harmful gases, such as carbon monoxide and virus particles carried in smoke, while cutting tissue with high energy, and are harmful to the human body when left in the patient or discharged into the operating room. In addition, smoke also affects the field of view of laparoscopic surgery, adding to the complexity of the surgical procedure.

Moreover, a carbon dioxide gas for steady pressure, provide through the pneumoperitoneum machine, current conventional pneumoperitoneum machine, the atmospheric pressure is undulant big, therefore, higher atmospheric pressure has been set up, so that also can satisfy at the undulant valley of atmospheric pressure and provide sufficient operation space, and, in operation process, after the harmful gas of discharge, when the atmospheric pressure changes in the abdominal cavity, still need carry out gas injection and tonifying qi, the process of gas injection tonifying qi all can cause the undulant change of atmospheric pressure, all have certain influence to patient and operation operator.

In view of the above problems, there is a strong need for a device for removing harmful gases and maintaining stable pressure in the abdominal cavity in laparoscopic surgery.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a laparoscopic surgery pressure stabilizing and filtering device.

The utility model is realized by the following technical scheme:

a laparoscopic surgery pressure stabilizing and filtering device comprises a pressure stabilizing cavity and a filtering cavity which are matched for use, and is characterized in that the pressure stabilizing cavity is provided with an air inlet channel and an air outlet channel, and the filtering cavity is provided with a recovery channel and a connecting channel; the air inlet channel is connected with an air supply device or a connecting channel, and the air outlet channel is connected with an operation device or a recovery channel; the recovery channel is connected with the operation device or the air outlet channel, the connecting channel is connected with the air supply device or the air inlet channel, and the filter cavity is internally provided with a filter device.

A laparoscopic surgery steady voltage filter equipment, filter equipment includes the first filter layer of making by the synthetic fiber filter media, the second filter layer of making by the active carbon filter media and the third filter layer of making by the synthetic fiber filter media, first filter layer the second filter layer with the third filter layer by retrieve the passageway position to the connecting channel position sets gradually.

The pressure stabilizing and filtering device for the laparoscopic surgery is characterized in that an exhaust channel is further arranged on the filtering cavity.

The pressure stabilizing and filtering device for the laparoscopic surgery is characterized in that a one-way valve is arranged in the connecting channel.

According to the stable pressure filtering device for the laparoscopic surgery, the stable pressure cavity and the filtering cavity are internally provided with the gas sensors.

The stable pressure filtering device for the laparoscopic surgery further comprises a controller, wherein the connecting channel and the exhaust channel are provided with electromagnetic valves, and the controller receives signals of the gas sensor and controls the electromagnetic valves to be opened and closed.

The utility model achieves the following beneficial effects:

1) the filter cavity and the pressure stabilizing cavity are communicated, so that harmful gas in the laparoscopic surgery is effectively filtered, and the stable air pressure is ensured;

2) the one-way valve is arranged in the filtering channel, so that the flowing direction of the gas is controlled, and the effective filtering of the gas is ensured;

3) through setting up sensor, controller and solenoid valve, can come automatic control exhaust gas or filter recycle gas according to gaseous actual conditions.

4) The filter cavity and the pressure stabilizing cavity can be used independently or in a combined mode, can be selected according to needs, and are high in adaptability and wider in application occasions.

Drawings

FIG. 1 is a schematic structural view of example 3.

FIG. 2 is a front view of embodiment 3.

FIG. 3 is a sectional view of embodiment 3.

In the figure: 1. pressure stabilizing cavity, 2, filter cavity, 3, inlet channel, 4, outlet channel, 5, connecting channel, 6, recovery channel, 7, exhaust channel, 8 and filter equipment.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings.

As shown in the figure, the first and second,

example 1

A stable pressure filter device for laparoscopic surgery comprises a stable pressure cavity 1, wherein an air inlet channel 3, an air outlet channel 4 and a connecting channel 5 are arranged on the stable pressure cavity 1, the air inlet channel 3 is used for inputting stable pressure gas, and the air outlet channel 4 is used for outputting the stable pressure gas to a surgery device (not shown).

Example 2

A laparoscopic surgery steady voltage filter equipment, including filter chamber 2, there are recovery channels 6 on the filter chamber 2, the recovery channel 6 is used for receiving the exhausted gas exhausted from the surgical device; in the filter chamber 2, a gas filter device 8 made of at least one gas filter material is arranged between the recovery channel 6 and the connecting channel 5, and the gas filter device 8 is positioned in the filter chamber 2.

The gas filtering material is a synthetic fiber filtering material, a glass fiber filtering material, a cotton fiber or an activated carbon filtering material, for example, the diacetate fiber tows can effectively absorb moisture and absorb partial harmful gas, and the activated carbon can eliminate peculiar smell and the like.

Example 3

A stable pressure filtering device for laparoscopic surgery comprises a stable pressure cavity 1 and a filtering cavity 2, wherein the stable pressure cavity 1 is provided with an air inlet channel 3, an air outlet channel 4 and a connecting channel 5, the air inlet channel 3 is used for inputting stable pressure gas, the air outlet channel 4 is used for outputting the stable pressure gas to the surgical device, and the connecting channel 5 is connected with the stable pressure cavity 1 and the filtering cavity 2; the filter cavity 2 is provided with a recovery channel 6, and the recovery channel 6 is used for receiving waste gas discharged from the surgical device; in the filter chamber 2, a gas filter device 8 made of at least one gas filter material is arranged between the recovery channel 6 and the connecting channel 5, and the gas filter device 8 is positioned in the filter chamber 2. The gas generating device generates CO2 gas for example and enters the pressure stabilizing cavity 1 through the gas inlet channel 3, the gas in the pressure stabilizing cavity 1 further enters the body of a patient through the gas outlet channel 4 and then enters the filter cavity 2 through the recovery channel 6, the gas in the filter cavity 2 is filtered by the filter device 8 and then returns to the pressure stabilizing cavity 1 through the connecting channel 5, and thus a gas circulating channel is formed, the stability of the gas pressure is kept, and the harmful components in the gas are reduced.

In this embodiment, the gas filtering device 8 includes a first filter layer made of a synthetic fiber filter material, a second filter layer made of an activated carbon filter material, and a third filter layer made of a synthetic fiber filter material, and the first filter layer, the second filter layer, and the third filter layer are sequentially disposed from the position of the exhaust gas recovery passage 6 to the position of the filter passage 5. The first layer absorbs moisture and absorbs a part of harmful gas, the second layer removes most of peculiar smell, and the third layer further absorbs harmful gas.

The filter cavity 2 is also provided with an exhaust passage 7, a gas filtering device 8 is arranged between the recovery passage 6 and the exhaust passage 7, when the input gas is too much, the operation is finished or the harmful gas can not be effectively filtered, the exhaust passage 7 can be opened, and the redundant gas is exhausted out of the filter cavity 2 through the exhaust passage 7.

A one-way valve is arranged in the connecting channel 5 and is used for controlling gas to move only from the filter cavity 2 to the pressure stabilizing cavity 1 between the pressure stabilizing cavity 1 and the filter cavity 2. So set up the flow direction of effectively having guaranteed gas, gas can not appear and directly get into filter chamber 2 from pressure stabilizing cavity 1, cause the unstability of atmospheric pressure.

The gas sensor is arranged in the pressure stabilizing cavity 1 and/or the filter cavity 2. The gas sensor at least has the function of detecting CO₂Functionally, the gas sensor is a chemical sensor. The Chemical Sensor is an instrument which is sensitive to various Chemical substances and converts the concentration of the Chemical substances into an electric signal for detection, and can effectively sense the components or the concentration of the gas in the pressure stabilizing cavity 1.

In this embodiment, the gas sensor further comprises a controller, the connection channel 5 and the exhaust channel 7 are both provided with electromagnetic valves, the controller receives signals of the gas sensor, and the controller is used for controlling the opening and closing of the electromagnetic valves. So that the whole system can determine whether the gas in the filter cavity 2 is discharged or enters the pressure stabilizing cavity 1 according to the concentration of harmful gas.

The using process is as follows:

the gas supply device is communicated with the gas inlet channel 3 of the application, and operation gas such as CO₂The waste gas enters the pressure stabilizing cavity 1 and then enters the body of a patient through the gas outlet channel 4, the gas in the body of the patient enters the filter cavity 2 through the waste gas recovery channel 6 after being discharged, the waste gas is subjected to three-layer filtering through the filtering device 8 in the filter cavity 2 and then passes through the connecting channel 5, the one-way valve is opened, and the filtered gas returns to the pressure stabilizing cavity 1.

When the sensor detects that the concentration of the harmful gas is too high, a corresponding signal is sent to the controller, and the controller closes the electromagnetic valve of the connecting channel 5 and the electromagnetic valve of the exhaust channel 7; when the detected concentration of the harmful gas is not suitable for entering the patient but suitable for being discharged to the atmosphere, a corresponding signal is sent to the controller, and the controller closes the electromagnetic valve of the connecting passage 5 and opens the electromagnetic valve of the exhaust passage 7.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A laparoscopic surgery pressure stabilizing and filtering device comprises a pressure stabilizing cavity and a filtering cavity which are matched for use, and is characterized in that the pressure stabilizing cavity is provided with an air inlet channel and an air outlet channel, and the filtering cavity is provided with a recovery channel and a connecting channel; the air inlet channel is connected with an air supply device or a connecting channel, and the air outlet channel is connected with an operation device or a recovery channel; the recovery channel is connected with the operation device or the air outlet channel, the connecting channel is connected with the air supply device or the air inlet channel, and the filter cavity is internally provided with a filter device.

2. The laparoscopic surgery pressure stabilizing and filtering device according to claim 1, wherein the filtering device comprises a first filtering layer made of synthetic fiber filtering material, a second filtering layer made of activated carbon filtering material and a third filtering layer made of synthetic fiber filtering material, and the first filtering layer, the second filtering layer and the third filtering layer are sequentially arranged from the recovery channel position to the connection channel position.

3. The laparoscopic surgery pressure stabilizing and filtering device according to claim 1, wherein an exhaust passage is further provided on the filtering chamber.

4. The laparoscopic surgery pressure stabilizing and filtering device according to claim 1, wherein a check valve is provided in said connecting passage.

5. The laparoscopic surgery pressure stabilizing and filtering device according to claim 3, wherein a gas sensor is disposed in each of the pressure stabilizing cavity and the filtering cavity.

6. The laparoscopic surgery pressure stabilizing and filtering device according to claim 5, further comprising a controller, wherein the connecting channel and the exhaust channel are provided with electromagnetic valves, and the controller receives signals of the gas sensor and controls the opening and closing of the electromagnetic valves.