CN108479225B - Surgical smoke collection and filtration device - Google Patents

Abstract

The operation flue gas collecting and filtering device collects and filters the smoke and the waste gas generated in the operation. The operation flue gas collecting and filtering device consists of a box body, a box cover, a sealing ring, a control unit, a negative pressure device, an electromagnetic valve, a plate-type filter element and a fastener. The control unit consists of a power switch, a manual switch, a foot switch, an overcurrent protector and a negative pressure setting controller. The negative pressure setting controller consists of three parts, namely negative pressure setting, negative pressure control and negative pressure value display. The box body is divided into a negative pressure box and a filter box by a partition board, a plurality of groups of slots are arranged in the filter box, and filter cores are inserted into the slots by a plate type filter core and are subjected to multistage filtration. The box body is provided with a box cover, a sealing ring is arranged below the box cover, and the box body and the box cover are provided with matched buckles, and the negative pressure box can be formed into a sealing space by fixing the buckles. The surgical flue gas collecting and filtering device has reasonable design, convenient use, safety and reliability.

Description

Operation flue gas collecting and filtering device

Technical Field

The invention relates to gas collection and filtration, in particular to a surgical flue gas collection and filtration device.

Background

Because the high-frequency electrotome, the ultrasonic blade, the laser therapeutic machine and other devices are applied to medical treatment and health, the pure manual operations of separating tissues and organs, cutting, stopping bleeding and the like are changed into the auxiliary operation of the devices, and the surgical safety is improved while the surgical speed is improved. The application principle of the high-frequency electric knife, the ultrasonic knife, the laser therapeutic machine and other equipment is that the thermal effect is utilized, when the high-frequency electric knife, the ultrasonic knife, the laser therapeutic machine and other equipment are used for operation, the high temperature generated in a very short time can cause the biological tissue to expand and gasify rapidly, the mechanical pressure effect is generated, the biological tissue is cut, separated and solidified, and a large amount of smoke and waste gas gasified by the human tissue are generated at the same time, and the smoke and the waste gas are all emitted in an operation room, so that the work is influenced, and the personal health of workers and patients is influenced. In particular, in the operation process, a large amount of smoke and waste gas which gasify tissues are generated due to the cutting and separation of the tissues, so that the sight of an operator is influenced, the normal operation of the operation is disturbed, and in addition, the smoke which gasifies the tissues has peculiar smell and is harmful, so that the operation environment is deteriorated, and the physical health condition of the operator is influenced. There is a greater risk of surgery on patients with infectious diseases.

Disclosure of Invention

Aiming at the situation that smoke and waste gas are generated when a high-frequency electrotome, an ultrasonic knife and a laser therapeutic machine are used for cutting, separating and coagulating tissues in the current operation process, and are usually directly discharged into an operation room without being filtered and discharged. In order to ensure smooth and safe operation, facilitate the operation, purify the ambient air, reduce the chance of infection at the same time, collect the smog, waste gas produced in the operation process in time while operating the process, and discharge after effective filtration. The smoke and waste gas generated in the operation process are characterized in that 1, the generation points are few, and usually only one, and 2, the generated area is small, and only the contact part of the operation instrument and human tissues is formed. To achieve the purpose, a surgical flue gas collecting and filtering device is designed. Such collection typically hoses are directly connected to the corresponding surgical instruments for surgical, aspiration, or one person performs a surgical procedure and another person collects (aspirates) smoke, exhaust gases. That is, when the smoke and the exhaust gas are generated, the smoke and the exhaust gas are directly sucked by the guide hose to be collected.

The device for collecting and filtering the operation smoke has two main functions of 1, collecting smoke and waste gas, and 2, filtering the collected smoke and waste gas. The smoke and the waste gas are collected and provided by the power equipment to finish the collection task, and the collected smoke and waste gas are jointly filtered by a plurality of filter elements with different functions.

The operation flue gas collecting and filtering device consists of a box body, a box cover, a sealing ring, a control unit, a negative pressure device, an electromagnetic valve, a plate-type filter element and a fastener. The control unit consists of a power switch, a manual switch, a foot switch, an overcurrent protector and a negative pressure setting controller. The manual switch is connected with the foot switch in parallel and then is connected with the power switch, the overcurrent protector and the electromagnetic valve in series, and the negative pressure setting controller consists of three parts, namely negative pressure setting, negative pressure control and negative pressure value display.

The box body is divided into a negative pressure box and a filter box by a partition board, a hole-connecting port is arranged in the partition board, the negative pressure box and the filter box are provided with a plurality of groups of slots, the filter element is plate-type, the plate-type filter element is inserted into the slots, the box cover is arranged on the box body, the sealing ring is arranged below the box cover, and the box body and the box cover are respectively provided with a matched fastener.

The negative pressure device and the electromagnetic valve are arranged outside the box body or in the negative pressure box, the air inlet of the negative pressure device is arranged in the negative pressure box, the air outlet of the negative pressure device is arranged on the connecting port in the partition board, and the hole is sealed. Two ports of the electromagnetic valve are respectively arranged at the inner side and the outer side of the negative pressure box, and the outer side of the electromagnetic valve can be connected with a hose.

Drawings

The invention is described in further detail below with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of the structure of the present invention.

In the figure 1, a box body, 2, a box cover, 3, a sealing ring, 4, a control unit, 5, a negative pressure device, 6, an electromagnetic valve, 7, a plate-type filter element, 8, a button, 9, a power switch, 10, a manual switch, 11, a foot switch, 12, an overcurrent protector, 13, a negative pressure setting controller, 14, an exhaust port, 15, a slot, 16, a partition plate, 17, a connecting port, 18, a negative pressure box and 19, a filter box.

Detailed Description

The surgical flue gas collecting and filtering device consists of a box body (1), a box cover (2), a sealing ring (3), a control unit (4), a negative pressure device (5), an electromagnetic valve (6), a plurality of plate-type filter cores (7) and a plurality of groups of buckles (8).

The box body (1) is made of airtight hard plates into a cuboid, which can be made of metal, engineering plastic and other materials, and a partition plate (16) is arranged in the cuboid to divide the box body (1) into two spaces, namely a negative pressure box (18) and a filter box (19). The negative pressure box (18) is used as a buffer zone, a basically stable negative pressure value is kept in the box, and a hole-connecting port (17) is arranged in the partition plate (16). The filter box (19) is internally provided with a plurality of groups of slots (15), three to four groups are always arranged, the tail end of the filter box (10) is provided with an exhaust hole-an exhaust port (14), the exhaust port (14) is used for exhausting gas which is subjected to multistage filtration, the upper part of the box body (1) is provided with a movable box cover (2), the lower part of the box cover (2) is provided with a sealing ring (3), the box body (1) and the box cover (2) are provided with a plurality of pairs of buckles (8), and after the box cover (2) and the box body (1) are closed, a sealed space (except the exhaust port) can be formed by fixing the buckles (8). The sealing ring (3) is adopted to enhance the tightness between the box cover (2) and the box body (1).

The case cover (2) can be made into a whole or can be made into two independent parts to cover the negative pressure case (18) and the filter case (19) respectively. The box cover (2) of the filter box (19) can be a whole plate, or a slot can be arranged in the box cover, the plate-type filter element (7) can be directly inserted into the slot (15) in the box body (1) from the box cover (2), and then the box cover is fixed and sealed. Thus, the filter element is convenient to replace.

There are two common ways for collecting gas, 1, range hood, vacuum cleaner type, 2, negative pressure type. The smoke and waste gas generated in the operation are few (only one in general), the generated quantity is small, the guide pipe is long and thin, and the negative pressure type collecting gas can be conveniently set, so that the power consumption is small, and a negative pressure type collecting mode can be selected and a negative pressure device is adopted.

The negative pressure device (5) can be a negative pressure aspirator, and the negative pressure aspirator can adopt a motor or an electromagnetic pump as power. The negative pressure device (5) is arranged in the negative pressure box (18) or outside the box according to the space of the negative pressure box (18) and the volume of the negative pressure device (5). An air inlet of the negative pressure device (5) is arranged in the negative pressure box (18), and a terminal end of an air outlet of the negative pressure device (5) is arranged on a connecting port (17) in the partition plate (16) and seals the connecting port (17). The negative pressure device (5) has two functions, namely, 1, the negative pressure box (18) is changed into a negative pressure area, smoke and waste gas are absorbed by utilizing negative pressure and enter the negative pressure box (18), 2, the gas in the negative pressure box (18) is sent into the filter box (19) through the gas (collected smoke and waste gas) discharged from the outlet of the negative pressure device (5), and the gas filtered by the multistage filter element is discharged into a room through the exhaust port (14) in the filter box (19).

The type of operation is different, and the generated smoke and waste gas have different properties, so that the filtering treatment modes are also different, the multi-stage filtration is adopted to adapt to the requirements of different operations, the plate type (cuboid) filter element is adopted to facilitate the replacement of the filtration filter element, and the core body of the plate type filter element (7) is made of different materials into filter elements with different functions. The filter element has the functions of filtering fine particles in smoke, removing peculiar smell, adsorbing and killing bacteria and the like. The filter elements with different functions and the number are selected according to the operation requirement to form a filter element group adapting to the operation, and the plate filter element (7) is inserted into a slot (15) in a filter box (19). A plurality of holes, namely exhaust ports (14), are arranged in a box plate behind the last-stage filter plate of the filter box (19), and the air filtered in multiple stages is discharged from the exhaust ports (14) to the operating room.

The electromagnetic valve (6) can be arranged in the negative pressure box (18) or outside the box body (1), one port of the electromagnetic valve (6) is arranged outside the negative pressure box (18) and can be connected with a hose, and the other end of the electromagnetic valve is arranged in the negative pressure box (18).

The control unit (4) is composed of a power switch (9), a manual switch (10), a foot switch (11), an overcurrent protector (12) and a negative pressure setting controller (13). The power switch (9), the overcurrent protector (12), the negative pressure setting controller (13) and the negative pressure device (5) are connected in series, and the power switch (9) is a switch with an indicator lamp, so that the power indicator lamp is not required to be arranged independently. The negative pressure device (5) can work electrically when the power switch (9) is communicated. The negative pressure setting controller (13) consists of three parts, namely negative pressure setting, negative pressure control and negative pressure value display, is responsible for setting the negative pressure value in the negative pressure box, displaying the negative pressure value in the negative pressure box and controlling the work and stop of the negative pressure device (5) according to the actual negative pressure value in the negative pressure box. The connecting guide tube used by the operation flue gas collecting and filtering device is generally longer in length and smaller in inner diameter, namely larger in inner resistance, and the function of collecting the flue gas and the waste gas is determined by depending on a negative pressure value, and the negative pressure value of the negative pressure box is set, so that the collecting capacity is determined. The manual switch (10) is connected with the foot switch (11) in parallel and then is connected with the power switch (9), the overcurrent protector (12) and the electromagnetic valve (6) in series, the operation flue gas collecting and filtering device is provided with two control modes of manual operation and foot operation, when the manual switch (10) or the foot switch (11) is closed, the electromagnetic valve (6) can be electrically operated to be opened, the negative pressure box (18) can be communicated with the outside, and relevant smog and gas can be collected through the guide hose. The control unit (4) is made into a panel and is arranged on the side plate of the box body (1).

Claims (1)

1. A surgical smoke collecting and filtering device, characterized in that it is composed of a box body (1), a box cover (2), a sealing ring (3), a control unit (4), a negative pressure device (5), a solenoid valve (6), a plate filter element (7) and a buckle (8); the control unit (4) of the surgical smoke collecting and filtering device is composed of a power switch (9), a manual switch (10), a foot switch (11), an overcurrent protector (12) and a negative pressure setting controller (13); the power switch (9), the overcurrent protector (12), the negative pressure setting controller (13) , a negative pressure device (5) are connected in series; a manual switch (10) and a foot switch (11) are connected in parallel and then connected in series with a power switch (9), an overcurrent protector (12), and a solenoid valve (6); a negative pressure setting controller (13) is composed of three parts: a negative pressure setting part, a negative pressure control part, and a negative pressure value display part; the negative pressure device (5) uses a negative pressure suction device, which uses a motor or an electromagnetic pump as a power source, and makes the negative pressure box (18) a sealed space, and utilizes negative pressure to absorb smoke and exhaust gas into the negative pressure box (18); the gas in the negative pressure box (18) The negative pressure device (5) is provided with a plurality of filter elements, wherein the gas discharged from the outlet of the negative pressure device (5) is sent to the filter box (19), and the gas filtered by the multi-stage filter element is discharged into the room through the exhaust port (14) in the filter box (19); the partition (16) divides the box body (1) into two parts, namely, the negative pressure box (18) and the filter box (19); a connecting port (17) is provided in the partition (16); an array slot (15) is provided in the filter box (19), and the filter element is a plate type, and the plate type filter element (7) is inserted into the slot (15); a box cover (2) is installed on the box body (1), and a lower part of the box cover (2) is provided with a plurality of filter elements (15); a filter element (15) is provided in the filter box (19), and a filter element (15) is provided in the filter box (19); a box cover (2) is installed on the box body (1), and a filter element (15) is provided under the box cover (2); a filter element (15) is provided in the filter box (19); a filter element (15) is provided in the filter box (19), and a plate type filter element (7) is inserted into the slot (15); a box cover (2) is installed on the box body (1), and a filter element (15) is provided under the box cover (2); a filter element (15) is provided in the filter box (19); ... A sealing ring (3) is installed; matching buckles (8) are provided on the box body (1) and the box cover (2); the negative pressure device (5) and the solenoid valve (6) are installed outside the box body or inside the negative pressure box; the air inlet of the negative pressure device (5) is arranged in the negative pressure box (18), and the air outlet terminal of the negative pressure device (5) is arranged on the connecting port (17) in the partition (16); the two ports of the solenoid valve (6) are respectively installed on the inner and outer sides of the negative pressure box (18), and the outer side is connected to a hose; the control unit (4) is made into a panel and arranged on the side plate of the box body (1).