A gas purification device for anesthesia department

Abstract

The present invention relates to the technical field of anesthesiology, and discloses a gas purification device for anesthesiology, comprising: a sealing mechanism, an airway distribution mechanism is arranged on the top of the sealing mechanism, a flow guide mechanism is arranged on one side of the airway distribution mechanism, a suction support mechanism is arranged on one side of the flow guide mechanism, a filter mechanism and a residual absorption mechanism are respectively installed inside the suction support mechanism, and the residual absorption mechanism is located on one side of the filter mechanism. The gas purification device for anesthesiology can close the air supply pipeline through the airway distribution mechanism before removing the mask body, and connect the inside of the airway distribution mechanism with the suction support mechanism, so as to ensure that the residual gas inside the sealing mechanism is extracted by the suction support mechanism and enters the filtering mechanism and the residual absorption mechanism for absorption and purification, thereby preventing the anesthetic gas from leaking into the air and being absorbed by medical staff, thereby improving safety.

Description

Technical Field

[0001] The present invention relates to the technical field of anesthesiology, and in particular to a gas purification device for anesthesiology. Background Art

[0002] Inhalation anesthetics are a type of volatile liquid or gas that enters the human body through the respiratory tract and exerts anesthetic effects from shallow to deep. They have the characteristics of strong anesthetic function and high controllability, and they occupy a dominant position in general anesthesia and the maintenance of anesthesia.

[0003] When using inhaled anesthetics, an anesthesia mask is usually used to place the anesthetic and oxygen mixture in the patient's nasal cavity for the patient to inhale. However, when the anesthesia mask is removed, some anesthetic gases still remain in the pipes and inside the mask. Most general masks cannot absorb and purify these residual anesthetic gases in time before removal. These gases leak into the air and are easily absorbed by medical staff, affecting safety. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a gas purification device for anesthesia, which solves the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: a gas purification device for anesthesiology, comprising: a sealing mechanism, an airway distribution mechanism is arranged on the top of the sealing mechanism, a flow guide mechanism is arranged on one side of the airway distribution mechanism, a vacuum support mechanism is arranged on one side of the flow guide mechanism, a filtering mechanism and a residual absorption mechanism are respectively installed inside the vacuum support mechanism, and the residual absorption mechanism is located on one side of the filtering mechanism.

[0006] Preferably, the sealing mechanism includes a mask body, a light-transmitting plate, a side-opening tube, an air intake check valve and a sealing cover, the light-transmitting plate is fixedly mounted on the inner wall of the mask body, the side-opening tube is fixedly inserted into the surface of the mask body, the air intake check valve is fixedly mounted inside the side-opening tube, and the sealing cover is integrally arranged on the surface of the side-opening tube, and the sealing cover is movably clamped on one end of the side-opening tube.

[0007] Preferably, the sealing mechanism also includes a sealing strip, an inner sealing flap, an outer sealing flap and an air-guiding hard groove tube, the sealing strip is fixedly connected to the edge of the bottom of the mask body, the inner sealing flap is integrally arranged on the inner side of the sealing strip, the outer sealing flap is integrally arranged on the outer side of the sealing strip, the air-guiding hard groove tube is fixedly connected to the inside of the sealing strip, and a ventilation groove is opened on the inner side of the air-guiding hard groove tube.

[0008] Preferably, the airway distribution mechanism includes a converging ring warehouse, an air inlet pipe, an external female connector, an exhaust one-way valve, a compression ring, a sealing ring and an air guide pipe, the converging ring warehouse is fixedly connected to the top of the mask body, the air inlet pipe is fixedly connected to the inside of the converging ring warehouse, the external female connector is fixedly plugged into the surface of the converging ring warehouse, the exhaust one-way valve is fixedly connected to the inside of the external female connector, the compression ring is fixedly connected to the inner wall of the air inlet pipe, the sealing ring is fixedly connected to the inner wall of the compression ring, the air guide pipe is fixedly connected between the air guide hard groove tube and the converging ring warehouse, and the air guide pipe passes through the top of the mask body and extends to the bottom of the mask body.

[0009] Preferably, the airway distribution mechanism also includes a valve ball, a ventilation cavity, an air suction inlet hole, an air suction outlet hole, an air guide shaft, a hexagonal column, a ventilation hole, a limit block and a twist wheel. The valve ball is slidably connected to the inner wall of the air inlet pipe, and the surface of the valve ball is slidably connected to the surface of the sealing ring. The ventilation cavity is penetrated through the interior of the valve ball, the air suction inlet hole and the air suction outlet hole are both penetrated through the surface of the valve ball, and a hexagonal groove is provided inside the air suction outlet hole. The air guide shaft is rotatably connected to the inner wall of the confluence ring warehouse through a bearing, the hexagonal column is integrally arranged at one end of the air guide shaft, and the hexagonal column is movably inserted into the inside of the hexagonal groove, the ventilation hole is penetrated through the surface of the air guide shaft, the limit block is fixedly sleeved on the surface of the air guide shaft, and the twist wheel is fixedly sleeved on one end of the air guide shaft.

[0010] Preferably, the air guiding mechanism includes an air guiding hose, a disassembly and assembly slide plate and a connecting male head. The air guiding hose is arranged on one side of the merging ring bin, and the connecting male head is fixedly installed on both ends of the air guiding hose respectively. The disassembly and assembly slide plate is arranged at one end of the air guiding hose away from the merging ring bin, and the air guiding hose is threadedly connected to one end of the external female head and one side of the disassembly and assembly slide plate through two connecting male heads.

[0011] Preferably, the vacuum support mechanism includes a support shell, a cover plate, a sealing gasket, a mounting groove, an extension frame and a rubber strip, the mounting groove is arranged on the inner wall of one side of the support shell, and the support shell is slidably connected to the surface of the disassembly and assembly slide plate through the mounting groove, the cover plate is fixedly mounted on the upper surface of the support shell by bolts, the sealing gasket is fixedly fitted on the lower surface of the cover plate, the extension frame is fixedly connected to the inner wall of the support shell, and the rubber strip is fixedly fitted on the surface of the extension frame.

[0012] Preferably, the exhaust support mechanism also includes an air inlet frame, an air outlet frame, an air inlet net, an exhaust net, an exhaust motor and centrifugal fan blades, the air inlet frame and the air outlet frame are both fixedly connected to the inside of the support shell, the air inlet net is fixedly mounted on the inner wall of the air inlet frame, the exhaust net is fixedly mounted on the inner wall of the air outlet frame, the exhaust motor is fixedly mounted on the surface of the exhaust net, and the centrifugal fan blades are fixedly mounted on the output end of the exhaust motor.

[0013] Preferably, the filtering mechanism includes a dust filter frame, an absorption frame, a first exhaust port, a first air inlet, a second air inlet, a second exhaust port, a dust filter sponge, a pull-out frame, a breathable cloth and activated carbon, the dust filter frame and the absorption frame are both fixedly connected to the inner wall of the support shell, the first exhaust port passes through a side opened at the top of the dust filter frame, the first air inlet passes through a side opened at the bottom of the dust filter frame, the second air inlet passes through a side opened at the top of the absorption frame, the second exhaust port passes through a side opened at the bottom of the absorption frame, and the first exhaust port is communicated with the second air inlet, the dust filter sponge is slidably connected to the interior of the dust filter frame, the pull-out frame is slidably connected to the interior of the absorption frame, the breathable cloth is fixedly connected to both sides of the pull-out frame, the activated carbon is filled in the interior of the pull-out frame, and the upper surface of the dust filter frame and the upper surface of the absorption frame are both movably connected to the lower surface of the sealing gasket.

[0014] Preferably, the residual absorption mechanism includes a placement block, a limiting port, a three-way pipe, a puncture cone, a non-return one-way valve, a gas washing bottle and a sponge block, the placement block is fixedly connected to the inner wall of the support shell, the limiting port is opened on one side of the placement block, the three-way pipe is fixedly connected to the inside of the placement block, the puncture cone is respectively fixedly connected to the two output ends of the three-way pipe, the non-return one-way valve is fixedly installed inside the input end of the puncture cone, the gas washing bottle is slidably connected to the inside of the limiting port, and the input end of the gas washing bottle is provided with a rubber plug, and the puncture cone is movably inserted into the inside of the rubber plug, the sponge block is fixedly connected to the inner wall of the output end of the gas washing bottle, and the inside of the gas washing bottle is provided with purification liquid.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The gas purification device for the anesthesia department, through the provided sealing mechanism, airway distribution mechanism, flow guiding mechanism, air extraction support mechanism, filtering mechanism and residual absorption mechanism, can close the air supply pipeline through the airway distribution mechanism before removing the mask body, and connect the inside of the airway distribution mechanism with the air extraction support mechanism, so as to ensure that the residual gas inside the sealing mechanism is extracted by the air extraction support mechanism and enters the filtering mechanism and the residual absorption mechanism for absorption and purification, thereby preventing the anesthetic gas from leaking into the air and being absorbed by medical staff, thereby improving safety.

[0016] The gas purification device for anesthesiology, through the mask body, light-transmitting plate, side-opening tube, air intake one-way valve, sealing cover, sealing strip, inner sealing flap, outer sealing flap and air guide hard groove tube, can form negative pressure under the sealing strip by exhausting air through the exhaust support mechanism when in use, so as to ensure that the inner sealing flap and the outer sealing flap are closely attached to the skin, improve the sealing effect of the mask body after being worn, reduce the probability of anesthetic gas leakage from the bottom of the mask body after being worn, and at the same time, ensure airflow replenishment through the air intake one-way valve when the anesthetic gas inside the mask body is extracted, and prevent the anesthetic gas from flowing out.

[0017] The gas purification device for the anesthesia department, through the arranged converging ring chamber, air inlet pipe, external female head, exhaust one-way valve, compression ring, sealing ring, air guide pipe, valve ball, ventilation cavity, air suction inlet hole, air suction outlet hole, air guide shaft, hexagonal column, ventilation hole, limit block and twist wheel, can close the air supply pipeline by changing the direction of the internal ventilation cavity of the valve ball before removing the mask body, so as to avoid the continuous outflow of residual gas, and at the same time connect the interior of the mask body with the air suction support mechanism to ensure the extraction of residual anesthetic gas.

[0018] The gas purification device for the anesthesia department is provided with an air guide hose, a disassembly and assembly slide plate and a connecting male head so that when the inside of the mask body is being evacuated, it can be connected to the exhaust support mechanism to ensure exhaust. When the inside of the mask body is not being evacuated, the disassembly and assembly slide plate is disassembled to ensure that the exhaust support mechanism, the filtering mechanism and the residual absorption mechanism can purify the residual anesthetic gas in the indoor air.

[0019] The gas purification device for anesthesiology is provided with a supporting shell, a cover plate, a sealing gasket, a mounting slide groove, an extension frame, a rubber strip, an air inlet frame plate, an air outlet frame plate, an air inlet net, an exhaust net, an exhaust motor and centrifugal blades, so that negative pressure exhaust can be formed through the rotation of the centrifugal blades, and the dust filter sponge and activated carbon are easily replaced through the cover plate and the sealing gasket.

[0020] The gas purification device for anesthesiology, through the dust filter frame, absorption frame, first exhaust port, first air inlet, second air inlet, second exhaust port, dust filter sponge, pull-out frame, breathable cloth and activated carbon, is convenient for filtering solid particles through the dust filter sponge during use, absorbing anesthetic gas through the activated carbon, and convenient for taking and placing activated carbon particles through the pull-out frame and breathable cloth.

[0021] The gas purification device for the anesthesia department is provided with a placement block, a limit port, a three-way pipe, a puncture cone, a non-return one-way valve, a gas washing bottle and a sponge block, so that different purification liquids can be replaced according to different types of anesthetic gases to absorb the anesthetic gases in the gas washing bottle, thereby improving the purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a rear view of the present invention; Figure 3 It is a main cross-sectional view of the sealing mechanism of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle; Figure 5 It is a side sectional view of the sealing mechanism of the present invention; Figure 6 It is a schematic diagram of the internal explosion structure of the airway distribution mechanism of the present invention; Figure 7 This is a cross-sectional view of the interior of the air extraction support mechanism of the present invention; Figure 8 It is a structural schematic diagram of the location of the filter mechanism of the present invention; Fig. 9 It is a structural schematic diagram of the centrifugal fan blade position of the present invention; Fig.10 It is an exploded view of the location of the filter mechanism of the present invention; Fig.11 This is a cross-sectional view of the gas washing bottle of the present invention.

[0023] In the figure: 101, mask body; 102, light-transmitting plate; 103, side opening tube; 104, air intake check valve; 105, sealing cover; 106, sealing strip; 107, inner sealing flap; 108, outer sealing flap; 109, air guide hard groove tube; 201, confluence ring chamber; 202, air intake pipe; 203, external female connector; 204, exhaust check valve; 205, pressing ring; 206, sealing ring; 207, air guide pipe; 208, valve ball; 209, ventilation cavity; 210, air inlet hole; 211, air exhaust hole; 212, air guide shaft; 213, hexagonal column; 214, air vent; 215, limit block; 216, twist wheel; 301, air guide hose; 302, disassembly and assembly slide plate; 303, connecting male connector; 401, Support shell; 402, cover plate; 403, sealing gasket; 404, mounting slide; 405, extension frame; 406, rubber strip; 407, air inlet frame plate; 408, air outlet frame plate; 409, air inlet net; 410, exhaust net; 411, exhaust motor; 412, centrifugal fan blade; 501, dust filter frame; 502, absorption frame; 503, first exhaust port; 504, first air inlet; 505, second air inlet; 506, second exhaust port; 507, dust filter sponge; 508, pull-out frame; 509, breathable cloth; 510, activated carbon; 601, placement block; 602, limit port; 603, three-way pipe; 604, puncture cone; 605, non-return one-way valve; 606, gas washing bottle; 607, sponge block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-11, a gas purification device for anesthesiology, comprising: a sealing mechanism, an airway distribution mechanism is arranged on the top of the sealing mechanism, a flow guiding mechanism is arranged on one side of the airway distribution mechanism, an exhaust support mechanism is arranged on one side of the flow guiding mechanism, a filtering mechanism and a residual absorption mechanism are respectively installed inside the exhaust support mechanism, and the residual absorption mechanism is located on one side of the filtering mechanism. The gas purification device for anesthesia, through the sealing mechanism, airway distribution mechanism, flow guiding mechanism, exhaust support mechanism, filtering mechanism and residual absorption mechanism, can close the air supply pipeline through the airway distribution mechanism before removing the mask body 101, and connect the inside of the airway distribution mechanism with the exhaust support mechanism, to ensure that the exhaust support mechanism extracts the residual gas inside the sealing mechanism into the filtering mechanism and the residual absorption mechanism for absorption and purification, to avoid the anesthetic gas from leaking into the air and being absorbed by medical staff, thereby improving safety.

[0026] Among them; the sealing mechanism includes a mask body 101, a light-transmitting plate 102, a side-opening tube 103, an air intake check valve 104 and a sealing cover 105, the light-transmitting plate 102 is fixedly installed on the inner wall of the mask body 101, the side-opening tube 103 is fixedly inserted on the surface of the mask body 101, the air intake check valve 104 is fixedly installed inside the side-opening tube 103, the sealing cover 105 is integrally arranged on the surface of the side-opening tube 103, and the sealing cover 105 is movably clamped on one end of the side-opening tube 103.

[0027] The sealing mechanism further includes a sealing strip 106, an inner sealing flap 107, an outer sealing flap 108 and an air guide hard groove tube 109. The sealing strip 106 is fixedly connected to the edge of the bottom of the mask body 101. The inner sealing flap 107 is integrally arranged on the inner side of the sealing strip 106. The outer sealing flap 108 is integrally arranged on the outer side of the sealing strip 106. The air guide hard groove tube 109 is fixedly connected to the inside of the sealing strip 106. A ventilation groove is provided on the inner side of the air guide hard groove tube 109. Through the mask body 101, the light-transmitting plate 102, the side opening tube 103, the air intake one-way valve 1 04. The sealing cover 105, the sealing strip 106, the inner sealing flap 107, the outer sealing flap 108 and the air guide hard groove tube 109 can form a negative pressure under the sealing strip 106 by exhausting air through the exhaust support mechanism during use, so as to ensure that the inner sealing flap 107 and the outer sealing flap 108 are closely attached to the skin, thereby improving the sealing effect of the mask body 101 after being worn, reducing the probability of anesthetic gas leakage from the bottom of the mask body 101 after being worn, and at the same time, when the anesthetic gas inside the mask body 101 is extracted, the air intake check valve 104 is used to ensure airflow replenishment and prevent the outflow of anesthetic gas.

[0028] Among them; the airway distribution mechanism includes a converging ring warehouse 201, an air inlet pipe 202, an external female connector 203, an exhaust one-way valve 204, a compression ring 205, a sealing ring 206 and an air guide pipe 207, the converging ring warehouse 201 is fixedly connected to the top of the mask body 101, the air inlet pipe 202 is fixedly connected to the inside of the converging ring warehouse 201, the external female connector 203 is fixedly plugged into the surface of the converging ring warehouse 201, the exhaust one-way valve 204 is fixedly connected to the inside of the external female connector 203, the compression ring 205 is fixedly connected to the inner wall of the air inlet pipe 202, the sealing ring 206 is fixedly connected to the inner wall of the compression ring 205, the air guide pipe 207 is fixedly connected between the air guide hard groove tube 109 and the converging ring warehouse 201, and the air guide pipe 207 passes through the top of the mask body 101 and extends to the bottom of the mask body 101.

[0029] Among them, the airway distribution mechanism also includes a valve ball 208, a ventilation cavity 209, an air inlet hole 210, an air outlet hole 211, an air guide shaft 212, a hexagonal column 213, an air vent 214, a limit block 215 and a twist wheel 216. The valve ball 208 is slidably connected to the inner wall of the air inlet pipe 202, and the surface of the valve ball 208 is slidably connected to the surface of the sealing ring 206. The ventilation cavity 209 is penetrated and opened inside the valve ball 208. The air inlet hole 210 and the air outlet hole 211 are penetrated and opened on the surface of the valve ball 208, and the air outlet hole 211 is provided with a hexagonal groove. The air guide shaft 212 is rotatably connected to the inner wall of the confluence ring warehouse 201 through a bearing. The hexagonal column 213 is integrally arranged at one end of the air guide shaft 212, and the hexagonal column 213 is movably inserted in the hexagonal groove. The air vent 214 is penetrated and opened inside the hexagonal groove. The surface of the air guide shaft 212 is penetrated, the limit block 215 is fixedly sleeved on the surface of the air guide shaft 212, and the twist wheel 216 is fixedly sleeved on one end of the air guide shaft 212. Through the arranged confluence ring warehouse 201, air inlet pipe 202, external female connector 203, exhaust check valve 204, pressing ring 205, sealing ring 206, air guide pipe 207, valve ball 208, ventilation cavity 209, air inlet hole 210, air exhaust hole 211, air guide shaft 212, hexagonal column 213, ventilation hole 214, limit block 215 and twist wheel 216, the air supply pipeline can be closed by changing the direction of the ventilation cavity 209 inside the valve ball 208 before removing the mask body 101, so as to avoid the continuous outflow of residual gas, and at the same time, the inside of the mask body 101 is connected with the air extraction support mechanism to ensure the extraction of residual anesthetic gas.

[0030] Among them; the flow guiding mechanism includes an air guiding hose 301, a disassembly and assembly slide plate 302 and a connecting male head 303. The air guiding hose 301 is arranged on one side of the merging ring warehouse 201, and the connecting male heads 303 are respectively fixedly installed at both ends of the air guiding hose 301. The disassembly and assembly slide plate 302 is arranged at one end of the air guiding hose 301 away from the merging ring warehouse 201, and the air guiding hose 301 is respectively threadedly connected to one end of the external female head 203 and one side of the disassembly and assembly slide plate 302 through two connecting male heads 303. Through the arranged air guiding hose 301, the disassembly and assembly slide plate 302 and the connecting male head 303, it is convenient to connect it with the exhaust support mechanism when the inside of the mask body 101 is exhausted to ensure exhaust. When the inside of the mask body 101 is not exhausted, the disassembly and assembly slide plate 302 is disassembled to ensure that the exhaust support mechanism, the filtering mechanism and the residual absorption mechanism can purify the residual anesthetic gas in the indoor air.

[0031] Among them; the exhaust support mechanism includes a support shell 401, a cover plate 402, a sealing gasket 403, an installation slide groove 404, an extension frame 405 and a rubber strip 406. The installation slide groove 404 is arranged on the inner wall of one side of the support shell 401, and the support shell 401 is slidably connected to the surface of the disassembly and assembly slide plate 302 through the installation slide groove 404. The cover plate 402 is fixedly installed on the upper surface of the support shell 401 by bolts. The sealing gasket 403 is fixedly attached to the lower surface of the cover plate 402. The extension frame 405 is fixedly connected to the inner wall of the support shell 401, and the rubber strip 406 is fixedly attached to the surface of the extension frame 405.

[0032] Among them; the exhaust support mechanism also includes an air inlet frame 407, an air outlet frame 408, an air inlet net 409, an exhaust net 410, an exhaust motor 411 and a centrifugal fan blade 412, the air inlet frame 407 and the air outlet frame 408 are fixedly connected to the inside of the support shell 401, the air inlet net 409 is fixedly installed on the inner wall of the air inlet frame 407, the exhaust net 410 is fixedly installed on the inner wall of the air outlet frame 408, the exhaust motor 411 is fixedly installed on the surface of the exhaust net 410, and the centrifugal fan blade 412 is fixedly installed Installed on the output end of the exhaust motor 411, through the setting of the support shell 401, cover plate 402, sealing gasket 403, installation slide groove 404, extension frame 405, rubber strip 406, air inlet frame plate 407, air outlet frame plate 408, air inlet net 409, exhaust net 410, exhaust motor 411 and centrifugal fan blades 412, it is convenient to form negative pressure exhaust through the rotation of the centrifugal fan blades 412, and at the same time, the dust filter sponge 507 and activated carbon 510 are conveniently replaced through the cover plate 402 and the sealing gasket 403.

[0033] Wherein; the filtering mechanism includes a dust filter frame 501, an absorption frame 502, a first exhaust port 503, a first air inlet 504, a second air inlet 505, a second exhaust port 506, a dust filter sponge 507, a pull-out frame 508, a breathable cloth 509 and activated carbon 510, the dust filter frame 501 and the absorption frame 502 are fixedly connected to the inner wall of the support shell 401, the first exhaust port 503 runs through one side of the top of the dust filter frame 501, the first air inlet 504 runs through one side of the bottom of the dust filter frame 501, the second air inlet 505 runs through one side of the top of the absorption frame 502, the second exhaust port 506 runs through one side of the bottom of the absorption frame 502, and the first exhaust port 503 is connected to the second air inlet 505, and the dust filter sponge 507 is slidably connected to the dust filter frame 5 01, the pull-out frame 508 is slidably connected to the inside of the absorption frame 502, the breathable cloth 509 is fixedly connected to both sides of the pull-out frame 508, the activated carbon 510 is filled in the inside of the pull-out frame 508, and the upper surface of the dust filter frame 501 and the upper surface of the absorption frame 502 are movably connected to the lower surface of the sealing gasket 403, through the dust filter frame 501, the absorption frame 502, the first exhaust port 503, the first air inlet 504, the second air inlet 505, the second exhaust port 506, the dust filter sponge 507, the pull-out frame 508, the breathable cloth 509 and the activated carbon 510, it is convenient to filter solid particles through the dust filter sponge 507 during use, absorb anesthetic gas through the activated carbon 510, and facilitate the removal and placement of activated carbon 510 particles through the pull-out frame 508 and the breathable cloth 509.

[0034] Wherein; the residual absorption mechanism includes a placement block 601, a limit port 602, a three-way pipe 603, a puncture cone 604, a non-return one-way valve 605, a washing bottle 606 and a sponge block 607, the placement block 601 is fixedly connected to the inner wall of the support shell 401, the limit port 602 is opened on one side of the placement block 601, the three-way pipe 603 is fixedly connected to the inside of the placement block 601, the puncture cone 604 is respectively fixedly connected to the two output ends of the three-way pipe 603, the non-return one-way valve 605 is fixedly installed inside the input end of the puncture cone 604, and the washing bottle 606 is slidably connected to the limit port 6 02, and the input end of the washing bottle 606 is provided with a rubber plug, and the puncture cone 604 is movably inserted in the rubber plug, the sponge block 607 is fixedly connected to the inner wall of the output end of the washing bottle 606, and the washing bottle 606 is provided with a purification liquid, through the placement block 601, the limit port 602, the three-way pipe 603, the puncture cone 604, the non-return one-way valve 605, the washing bottle 606 and the sponge block 607, so that different purification liquids can be replaced according to different types of anesthetic gases to absorb the anesthetic gas in the washing bottle 606, thereby improving the purification effect.

[0035] Working principle: when in use, the exhaust motor 411 is started, and the exhaust motor 411 drives the centrifugal blades 412 to rotate. When the centrifugal blades 412 rotate, the air on the side of the air inlet net 409 is continuously pumped to the side of the exhaust net 410; After the mask body 101 is covered on the patient's face, the centrifugal fan blades 412 pump airflow to form negative pressure inside the extension frame 405, and through the conduction of the air guide hose 301, the connecting male connector 303, the external female connector 203, the exhaust check valve 204, the confluence ring chamber 201 and the air guide tube 207, a negative pressure is also formed inside the air guide hard groove tube 109. At this time, the internal pressure of the air guide hard groove tube 109 is less than the internal pressure of the inner sealing flap 107 and the external pressure of the outer sealing flap 108, so that the inner sealing flap 107 and the outer sealing flap 108 are pressed tightly against the patient's face, thereby improving the sealing effect; Before removing the mask body 101, open the sealing cover 105 to make the air inlet check valve 104 unidirectionally conduct inward, twist the twist wheel 216, and the twist wheel 216 drives the valve ball 208 to rotate ninety degrees through the air extraction and discharge hole 211. At this time, the ventilation cavity 209 is perpendicular to the compression ring 205, and the air extraction inlet hole 210 is facing the patient's face, so that the valve ball 208 closes the anesthesia air inlet end of the air inlet pipe 202. At this time, the interior of the mask body 101 is connected with the air guide shaft 212 through the air extraction inlet hole 210, the ventilation cavity 209 and the air extraction and discharge hole 211, and then connected with the confluence ring chamber 201. The centrifugal fan blades 412 pump the air flow, so that the mixed gas inside the mask body 101 flows along the air extraction inlet hole 210, the ventilation cavity 209, the air extraction and discharge hole 211, the air guide shaft 212, the confluence ring chamber 201, the external female connector 203, the connecting male connector 303 and the air guide hose 3 01 enters the interior of the supporting shell 401, and is then pumped to the first air inlet 504 by the centrifugal fan blades 412. At the same time, external air passes through the air inlet one-way valve 104 to supplement the oxygen inside the mask body 101 to prevent the patient from holding his breath. The mixed gas pumped to the first air inlet 504 enters the dust filter frame 501, and the solid particles are filtered out by the dust filter sponge 507. Then, it passes through the first exhaust port 503 and the second air inlet 505 to enter the absorption frame 502, and then passes through the activated carbon 510. At this time, most of the anesthetic gas in the mixed gas is absorbed. The mixed gas is then discharged from the second exhaust port 506 into the three-way pipe 603, and then passes through the non-return one-way valve 605 and enters the washing bottle 606, where the remaining anesthetic gas residues are absorbed by the purification liquid inside. Then the clean air is discharged through the sponge block 607. After pumping for a period of time, the mask body 101 is finally removed.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas purification device for anesthesia, characterized in that: include: A sealing mechanism, wherein an airway distribution mechanism is arranged on the top of the sealing mechanism, a flow guide mechanism is arranged on one side of the airway distribution mechanism, an exhaust support mechanism is arranged on one side of the flow guide mechanism, a filtering mechanism and a residual absorption mechanism are respectively installed inside the exhaust support mechanism, and the residual absorption mechanism is located on one side of the filtering mechanism.

2. The gas purification device for anesthesia according to claim 1, characterized in that: The sealing mechanism comprises a mask body (101), a light-transmitting plate (102), a side-opening tube (103), an air intake check valve (104) and a sealing cover (105); the light-transmitting plate (102) is fixedly mounted on the inner wall of the mask body (101); the side-opening tube (103) is fixedly plugged into the surface of the mask body (101); the air intake check valve (104) is fixedly mounted inside the side-opening tube (103); the sealing cover (105) is integrally arranged on the surface of the side-opening tube (103), and the sealing cover (105) is movably clamped on one end of the side-opening tube (103).

3. The gas purification device for anesthesia according to claim 2, characterized in that: The sealing mechanism further comprises a sealing strip (106), an inner sealing flap (107), an outer sealing flap (108) and an air guide hard groove tube (109); the sealing strip (106) is fixedly connected to the edge of the bottom of the mask body (101); the inner sealing flap (107) is integrally arranged on the inner side of the sealing strip (106); the outer sealing flap (108) is integrally arranged on the outer side of the sealing strip (106); the air guide hard groove tube (109) is fixedly connected to the inside of the sealing strip (106); and a ventilation groove is provided on the inner side of the air guide hard groove tube (109).

4. The gas purification device for anesthesia according to claim 3, characterized in that: The airway distribution mechanism comprises a merging ring chamber (201), an air intake pipe (202), an external female connector (203), an exhaust check valve (204), a compression ring (205), a sealing ring (206) and an air guide pipe (207); the merging ring chamber (201) is fixedly connected to the top of the mask body (101); the air intake pipe (202) is fixedly connected to the inside of the merging ring chamber (201); and the external female connector (203) is fixedly plugged into the surface of the merging ring chamber (201). The exhaust check valve (204) is fixedly connected to the inside of the external female connector (203), the compression ring (205) is fixedly connected to the inner wall of the air inlet pipe (202), the sealing ring (206) is fixedly connected to the inner wall of the compression ring (205), the air guide pipe (207) is fixedly connected between the air guide hard groove pipe (109) and the confluence ring chamber (201), and the air guide pipe (207) passes through the top of the mask body (101) and extends to the bottom of the mask body (101).

5. The gas purification device for anesthesia according to claim 4, characterized in that: The airway distribution mechanism further comprises a valve ball (208), a ventilation cavity (209), an air inlet hole (210), an air outlet hole (211), an air guide shaft (212), a hexagonal column (213), an air vent (214), a stop block (215) and a twist wheel (216); the valve ball (208) is slidably connected to the inner wall of the air inlet pipe (202), and the surface of the valve ball (208) is slidably connected to the surface of the sealing ring (206); the ventilation cavity (209) is opened through the inside of the valve ball (208), and the air inlet hole (210) and the air outlet hole (211) are both A hexagonal groove is provided inside the air exhaust hole (211), the air guide shaft (212) is rotatably connected to the inner wall of the confluence ring chamber (201) via a bearing, the hexagonal column (213) is integrally arranged at one end of the air guide shaft (212), and the hexagonal column (213) is movably inserted into the inside of the hexagonal groove, the air hole (214) is provided on the surface of the air guide shaft (212), the limit block (215) is fixedly sleeved on the surface of the air guide shaft (212), and the twist wheel (216) is fixedly sleeved on one end of the air guide shaft (212).

6. The gas purification device for anesthesia according to claim 4, characterized in that: The flow guiding mechanism comprises an air guiding hose (301), a disassembly and assembly slide plate (302) and a connecting male head (303); the air guiding hose (301) is arranged on one side of the merging ring chamber (201); the connecting male head (303) is respectively fixedly mounted on two ends of the air guiding hose (301); the disassembly and assembly slide plate (302) is arranged on one end of the air guiding hose (301) away from the merging ring chamber (201); and the air guiding hose (301) is respectively threadedly connected to one end of the external female head (203) and one side of the disassembly and assembly slide plate (302) through two connecting male heads (303).

7. The gas purification device for anesthesia according to claim 6, characterized in that: The air extraction support mechanism comprises a support shell (401), a cover plate (402), a sealing gasket (403), a mounting slide groove (404), an extension frame (405) and a rubber strip (406); the mounting slide groove (404) is arranged on the inner wall of one side of the support shell (401), and the support shell (401) is slidably connected to the surface of the disassembly slide plate (302) through the mounting slide groove (404); the cover plate (402) is fixedly mounted on the upper surface of the support shell (401) by bolts; the sealing gasket (403) is fixedly attached to the lower surface of the cover plate (402); the extension frame (405) is fixedly connected to the inner wall of the support shell (401); and the rubber strip (406) is fixedly attached to the surface of the extension frame (405).

8. The gas purification device for anesthesia according to claim 7, characterized in that: The air extraction support mechanism further comprises an air inlet frame (407), an air outlet frame (408), an air inlet net (409), an exhaust net (410), an exhaust motor (411) and centrifugal blades (412); the air inlet frame (407) and the air outlet frame (408) are both fixedly connected to the inside of the support shell (401); the air inlet net (409) is fixedly mounted on the inner wall of the air inlet frame (407); the exhaust net (410) is fixedly mounted on the inner wall of the air outlet frame (408); the exhaust motor (411) is fixedly mounted on the surface of the exhaust net (410); and the centrifugal blades (412) are fixedly mounted on the output end of the exhaust motor (411).

9. The gas purification device for anesthesia according to claim 8, characterized in that: The filtering mechanism comprises a dust filter frame (501), an absorption frame (502), a first exhaust port (503), a first air inlet (504), a second air inlet (505), a second exhaust port (506), a dust filter sponge (507), a pull-out frame (508), a breathable cloth (509) and activated carbon (510); the dust filter frame (501) and the absorption frame (502) are both fixedly connected to the inner wall of the support shell (401); the first exhaust port (503) is opened through one side of the top end of the dust filter frame (501); the first air inlet (504) is opened through one side of the bottom end of the dust filter frame (501); the second air inlet (505) is opened through On one side of the top end of the absorption frame (502), the second exhaust port (506) is opened through one side of the bottom end of the absorption frame (502), and the first exhaust port (503) is connected to the second air inlet (505), the dust filter sponge (507) is slidably connected to the inside of the dust filter frame (501), the pull-out frame (508) is slidably connected to the inside of the absorption frame (502), the breathable cloth (509) is fixedly connected to both sides of the pull-out frame (508), the activated carbon (510) is filled in the inside of the pull-out frame (508), and the upper surface of the dust filter frame (501) and the upper surface of the absorption frame (502) are both movably connected to the lower surface of the sealing gasket (403).

10. The gas purification device for anesthesia according to claim 9, characterized in that: The residue absorption mechanism comprises a placement block (601), a limiting opening (602), a three-way pipe (603), a puncture cone (604), a non-return one-way valve (605), a gas washing bottle (606) and a sponge block (607); the placement block (601) is fixedly connected to the inner wall of the support shell (401); the limiting opening (602) is provided on one side of the placement block (601); the three-way pipe (603) is fixedly connected to the inside of the placement block (601); the puncture cone (604) is fixedly connected to the inner wall of the support shell (401); The two output ends of the three-way pipe (603) are fixedly connected, the non-return one-way valve (605) is fixedly installed inside the input end of the puncture cone (604), the gas washing bottle (606) is slidably connected inside the limit opening (602), and the input end of the gas washing bottle (606) is provided with a rubber plug, and the puncture cone (604) is movably plugged inside the rubber plug, the sponge block (607) is fixedly connected to the inner wall of the output end of the gas washing bottle (606), and the inside of the gas washing bottle (606) is provided with a purification liquid.

Images