CN112426605A

CN112426605A - Clinical anesthetic gas purification device that uses of department of anesthesia

Info

Publication number: CN112426605A
Application number: CN202011315587.7A
Authority: CN
Inventors: 范慧慧; 范翠; 王晓芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-03-02

Abstract

The invention discloses an anesthesia gas purification device for clinical use in anesthesia department, which comprises a base, wherein a sealing shell is fixedly connected on the base, an air inlet channel is fixedly connected on the sealing shell, a water tank is fixedly connected in the sealing shell, an installation cavity is arranged in the base, a stepping motor is fixedly installed in the installation cavity, the output end of the stepping motor is fixedly connected with an output shaft, the output shaft extends into the sealing shell, a sealing seat is fixedly connected on the water tank, and a pressurizing chamber is symmetrically and fixedly connected in the sealing seat, when a screw rod sliding block starts to move upwards, a connecting plate drives a pressurizing pipe to synchronously move upwards, so that a piston block starts to slide upwards, under the communication of a one-way liquid inlet valve and a water suction pipe, water flow in the water tank can be pumped into the pressurizing chamber again, the next water mist supply is met, and the equipment works uninterruptedly, the primary filter cotton is always kept in a wet state, and the long-time gas humidification requirement is met.

Description

Clinical anesthetic gas purification device that uses of department of anesthesia

Technical Field

The invention relates to the technical field of medical instruments, in particular to an anesthesia gas purification device for clinical use in anesthesia department.

Background

Anesthesia is a reversible functional inhibition of the central and/or peripheral nervous system, which is produced by drugs or other methods, and is characterized by mainly loss of sensation, especially pain sensation, and ensures that patients can successfully receive surgical treatment under painless and safe conditions, which is the basic task of clinical anesthesia, but the inhibition is part of the work content of modern anesthesia disciplines, and the anesthesia work also comprises preparation and treatment before and after anesthesia, monitoring and treatment of critical patients, emergency resuscitation, pain treatment and the like.

According to the Chinese patent publication numbers: CN210410059U, a clinical anesthetic gas purifier of department of anesthesia, including purifying chamber and sterilization chamber, purifying chamber and sterilization chamber can communicate each other, and the sterilization chamber has the first interface that is used for connecting the first pipe, wherein, the first pipe has the second interface that is used for connecting the second pipe to the first pipe can communicate with the sterilization chamber with the mode that oxygen and anesthetic gas transmitted to the sterilization chamber after mixing in the first pipe. The device is connected with the second pipe by arranging the second interface in the first pipe, so that oxygen and anesthetic gas are mixed in the first pipe and then are sent into the sterilization cavity, and the oxygen and anesthetic gas can be mixed while the transmission pressure can be ensured.

Anesthetic gas carries out the humidification through filtering the cotton layer of humidification among the above-mentioned technique, but along with going on of operation, the gaseous continuous supply of anesthetic for the continuous loss of moisture of humidification surface course makes anesthetic gas's humidity more and more low, and medical personnel need carry out the moisturizing to the cotton layer of humidification again, and is very inconvenient.

Disclosure of Invention

The invention aims to solve the defects that the moisture of a humidifying surface layer is continuously lost and the humidity of anesthetic gas is lower and lower as anesthetic gas is continuously supplied along with the operation, and medical personnel need to replenish water to the humidifying cotton layer again, so that the anesthesia gas purification device is very inconvenient in the prior art, and provides a clinical anesthetic gas purification device for an anesthesia department.

In order to achieve the purpose, the invention adopts the following technical scheme:

a clinical anesthetic gas purification device for anesthesia department comprises a base, wherein a sealing shell is fixedly connected to the base, an air inlet channel is fixedly connected to the sealing shell, a water tank is fixedly connected to the inside of the sealing shell, an installation cavity is formed in the base, a stepping motor is fixedly installed in the installation cavity, an output end of the stepping motor is fixedly connected with an output shaft, the output shaft extends into the sealing shell, a sealing seat is fixedly connected to the water tank, pressurizing chambers are symmetrically and fixedly connected to the inside of the sealing seat, a reciprocating lead screw is fixedly connected to the upper end of the output shaft, a filtering mechanism is arranged on the upper side of the sealing seat, an upper sealing cover is fixedly connected to the filtering mechanism, a plurality of air inlet holes are formed in the upper sealing cover and are distributed in an annular uniform array manner, a lead screw sliding block is arranged on the reciprocating lead screw, and connecting, the device comprises a connecting plate, and is characterized in that a pressurizing pipe is fixedly inserted in the connecting plate in a penetrating manner, the upper end of the pressurizing pipe is fixedly connected with an atomizing nozzle, the pressurizing pipe extends into a pressurizing chamber and is fixedly connected with a piston block, and the piston block is connected in the pressurizing chamber in a sliding manner.

Preferably, the filtering mechanism comprises primary filtering cotton, the outer layer of the primary filtering cotton is connected with intermediate filtering cotton, the outer layer of the intermediate filtering cotton is connected with an activated carbon adsorption layer, and the primary filtering cotton, the intermediate filtering cotton and the activated carbon adsorption layer are all arranged in an annular shape.

Preferably, fixedly connected with annular seal plate on the seal receptacle, the last symmetry fixed mounting of annular seal plate has the draught fan, the output fixedly connected with outlet duct of draught fan, be equipped with the control valve on the outlet duct, the induced draft end fixedly connected with aspiration channel of draught fan, the aspiration channel runs through the annular seal plate setting.

Preferably, a one-way liquid inlet valve is fixedly connected to the bottom side of the pressurizing chamber, a water suction pipe is connected to the one-way liquid inlet valve, and the water suction pipe extends to the bottom of the water tank.

Preferably, the pressurizing pipe penetrates through the piston block, and the bottom end of the pressurizing pipe is connected with a one-way liquid outlet valve.

Preferably, the upper end fixedly connected with axis of rotation of reciprocal lead screw, the upper end of axis of rotation extends to in the inlet channel and fixedly connected with drainage flabellum.

Preferably, one side of the water tank is provided with a water inlet, the water inlet extends to the outer side of the sealed shell, and the water inlet is provided with a sealing plug.

Preferably, the bottom wall of the water tank is fixedly connected with a sealing sleeve, and the output shaft is positioned in the sealing sleeve.

Compared with the prior art, the invention has the beneficial effects that:

1. anesthetic gas passes through inlet channel and gets into, drive the output shaft through step motor and rotate, thereby make reciprocal lead screw drive the axis of rotation and rotate, anesthetic gas passes through the effect of drainage flabellum this moment, arrange to the filtering mechanism in through the inlet port, the lead screw slider begins the downstream simultaneously, further make the connecting plate drive the forcing pipe downstream, the piston piece begins the indoor rivers that extrude the forcing chamber, under hydraulic effect, rivers climb along the forcing pipe inner wall, until beginning blowout water smoke through atomizer, make the elementary filter pulp absorb, a humidification to anesthetic gas.

2. When the lead screw slider begins to move upwards, the connecting plate drives the pressurizing pipe to move upwards synchronously, so that the piston block begins to slide upwards, and under the communication of the one-way liquid inlet valve and the water suction pipe, water flow in the water tank can be pumped into the pressurizing chamber again to meet the next water mist supply, so that primary filter cotton is always kept in a wet state along with the uninterrupted work of equipment, and the long-time gas humidification requirement is met.

3. After in the anesthesia gas got into filtering mechanism, at first carry out the prefiltering when humidifying through elementary filtration cotton, then carry out the secondary filter through the intermediate level filtration cotton, adsorb through the active carbon adsorption layer at last and purify, because the annular of elementary filtration cotton, intermediate level filtration cotton, active carbon adsorption layer distributes, it is bigger to make it and anesthesia gas between filter area of contact, has improved the purification efficiency of anesthesia gas greatly.

4. Through the outlet duct that sets up a plurality of positions in the base outside, can satisfy the gas quantity demand of different angles, through each draught fan of independent control and control valve, use the flexibility ratio higher, it is very convenient.

Drawings

FIG. 1 is a schematic front view of an anesthetic gas purification apparatus for clinical use in an anesthesia department according to the present invention;

FIG. 2 is a schematic top view of a clinical anesthetic gas purification apparatus for anesthesia department according to the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

FIG. 4 is an enlarged schematic view at B of FIG. 1;

fig. 5 is a schematic structural diagram of a filtering mechanism in an anesthesia gas purification device for clinical use in anesthesia department according to the present invention.

In the figure: 1-base, 2-sealing shell, 3-air inlet channel, 4-water tank, 5-sealing seat, 6-pressurizing chamber, 7-induced draft fan, 8-air outlet pipe, 9-control valve, 10-filtering mechanism, 1001-primary filtering cotton, 1002-middle filtering cotton, 1003-active carbon adsorption layer, 11-upper sealing cover, 12-drainage fan blade, 13-stepping motor, 14-reciprocating screw, 15-screw slider, 16-connecting plate, 17-atomizing nozzle, 18-air inlet hole, 19-rotating shaft, 20-pressurizing pipe, 21-piston block, 22-one-way liquid outlet valve, 23-water suction pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, a clinical anesthetic gas purification device for anesthesia department, comprising a base 1, a sealing shell 2 is fixedly connected to the base 1, an air inlet channel 3 is fixedly connected to the sealing shell 2, a water tank 4 is fixedly connected to the interior of the sealing shell 2, a water inlet is arranged at one side of the water tank 4, the water inlet extends to the outside of the sealing shell 2, a sealing plug is arranged on the water inlet, when the clear water in the water tank 4 is insufficient, the sealing plug is opened to complement the water flow in the water tank 4, an installation cavity is arranged in the base 1, a stepping motor 13 is fixedly arranged in the installation cavity, an output shaft is fixedly connected to the output end of the stepping motor 13, the output shaft extends to the interior of the sealing shell 2, a sealing sleeve is fixedly connected to the bottom wall of the water tank 4, the output shaft is positioned in the sealing, the pressurization chamber 6 is fixedly connected to the symmetry in the seal receptacle 5, the reciprocal lead screw 14 of upper end fixedly connected with of output shaft, the upper end fixedly connected with axis of rotation 19 of reciprocal lead screw 14, the upper end of axis of rotation 19 extends to in the inlet channel 3 and fixedly connected with drainage flabellum 12, when step motor 13 drove the output shaft and rotates, drainage flabellum 12 rotated and drives the anesthetic gas in the inlet channel 3 and enter into filter mechanism 10 through inlet port 18.

5 upsides of seal receptacle are equipped with filtering mechanism 10, filtering mechanism 10 includes elementary filter pulp 1001, the skin connection of elementary filter pulp 1001 has middle level filter pulp 1002, the skin connection of middle level filter pulp 1002 has activated carbon adsorption layer 1003, elementary filter pulp 1001, middle level filter pulp 1002, activated carbon adsorption layer 1003 all is the annular setting, back in anesthesia gas gets into filtering mechanism 10, at first carry out the prefiltration when humidifying through elementary filter pulp 1001, then carry out the secondary filter through middle level filter pulp 1002, adsorb through activated carbon adsorption layer 1003 at last and purify, because elementary filter pulp 1001, middle level filter pulp 1002, the annular distribution of activated carbon adsorption layer, it is bigger to make it and filter area of contact between the anesthesia gas, the purification efficiency of anesthesia gas 1003 has been improved greatly.

Fixedly connected with goes up closing cap 11 on filter mechanism 10, a plurality of inlet ports 18 have been seted up on going up closing cap 11, a plurality of inlet ports 18 are the even array distribution of annular, be equipped with lead screw slider 15 on the reciprocal lead screw 14, lead screw slider 15 both sides symmetry fixedly connected with connecting plate 16, fixed interlude has pressure tube 20 on the connecting plate 16, the upper end fixedly connected with atomizer 17 of pressure tube 20, extension to in the pressurized chamber 6 and fixedly connected with piston block 21 of pressure tube 20, pressure tube 20 runs through piston block 21 and sets up, the bottom of pressure tube 20 is connected with one-way drain valve 22, through setting up one-way drain valve 22, when making the rivers in the pressurized chamber 6 extruded, climb along the pressure tube 20 inner wall, until beginning to spout water smoke through atomizer 17, make elementary filter pulp 1001 absorb, be used for the humidification to anesthetic gas.

The piston block 21 is connected in the compression chamber 6 in a sliding manner, a one-way liquid inlet valve is fixedly connected to the bottom side of the compression chamber 6, a water suction pipe 23 is connected to the one-way liquid inlet valve, the water suction pipe 23 extends to the bottom of the water tank 4, when the piston block 21 moves upwards, water in the water tank 4 can be sucked into the compression chamber 6 again through the water suction pipe 23 to meet the requirement of next water mist supply, an annular sealing plate is fixedly connected to the sealing seat 5, induced draft fans 7 are symmetrically and fixedly installed on the annular sealing plate, an outlet pipe 8 is fixedly connected to the output end of the induced draft fan 7, a control valve 9 is arranged on the outlet pipe 8, an air suction pipe is fixedly connected to the air suction end of the induced draft fan 7 and penetrates through the annular sealing plate, the air outlet pipes 8 in multiple directions are arranged on the outer side of the base 1, the use flexibility is higher, and is very convenient.

In the invention, when a user uses the device, anesthetic gas enters through the air inlet channel 3, the output shaft is driven to rotate through the stepping motor 13, so that the reciprocating screw 14 drives the rotating shaft 19 to rotate, the anesthetic gas is discharged into the filtering mechanism 10 through the air inlet hole 18 under the action of the drainage fan blades 12, the screw slide block 15 starts to move downwards, the connecting plate 16 drives the pressurizing pipe 20 to move downwards, the piston block 21 starts to extrude water flow in the pressurizing chamber 6, the water flow ascends along the inner wall of the pressurizing pipe 20 under the action of water pressure until water mist is sprayed out through the atomizing nozzle 17, so that primary filter cotton 1001 is absorbed for humidifying the anesthetic gas, when the screw slide block 15 starts to move upwards, the connecting plate 16 drives the pressurizing pipe 20 to synchronously move upwards, so that the piston block 21 starts to slide upwards, and under the communication of the one-way liquid inlet valve and the water suction pipe 23, the water flow in the water tank 4 can be pumped into the pressurizing chamber 6 again to meet the next water mist supply, so that the primary filter cotton 1001 is always kept in a wet state along with the uninterrupted work of the equipment, the long-time gas humidifying requirement is met, after the anesthetic gas enters the filtering mechanism 10, the primary filter cotton 1001 is used for humidifying and simultaneously performing primary filtering, then the secondary filtering is performed through the middle-stage filter cotton 1002, and finally the absorption and purification are performed through the activated carbon absorption layer 1003, because the primary filter cotton 1001, the middle-stage filter cotton 1002 and the activated carbon absorption layer 1003 are annularly distributed, the filtering contact area between the anesthetic gas and the filter cotton is larger, the purification efficiency of the anesthetic gas is greatly improved, the gas consumption requirements of different angles can be met by arranging the gas outlet pipes 8 in multiple directions outside the base 1, and by independently controlling each induced draft fan 7 and each control valve 9, the use flexibility is higher, and is very convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The clinical anesthetic gas purification device for the anesthesia department comprises a base (1) and is characterized in that a sealing shell (2) is fixedly connected onto the base (1), an air inlet channel (3) is fixedly connected onto the sealing shell (2), a water tank (4) is fixedly connected into the sealing shell (2), an installation cavity is formed in the base (1), a stepping motor (13) is fixedly installed in the installation cavity, an output end of the stepping motor (13) is fixedly connected with an output shaft, the output shaft extends into the sealing shell (2), a sealing seat (5) is fixedly connected onto the water tank (4), pressurizing chambers (6) are symmetrically and fixedly connected into the sealing seat (5), a reciprocating lead screw (14) is fixedly connected onto the upper end of the output shaft, a filtering mechanism (10) is arranged on the upper side of the sealing seat (5), and an upper sealing cover (11) is fixedly connected onto the filtering mechanism (10), the improved reciprocating type air compressor is characterized in that a plurality of air inlets (18) are formed in the upper sealing cover (11), the air inlets (18) are distributed in an annular uniform array, a screw rod sliding block (15) is arranged on the reciprocating screw rod (14), connecting plates (16) are symmetrically and fixedly connected to two sides of the screw rod sliding block (15), a pressurizing pipe (20) is fixedly inserted into the connecting plates (16), an atomizing nozzle (17) is fixedly connected to the upper end of the pressurizing pipe (20), the pressurizing pipe (20) extends into the pressurizing chamber (6) and is fixedly connected with a piston block (21), and the piston block (21) is slidably connected into the pressurizing chamber (6).

2. The clinical anesthetic gas purification device for the department of anesthesia as claimed in claim 1, wherein the filtering mechanism (10) comprises a primary filter cotton (1001), the outer layer of the primary filter cotton (1001) is connected with a secondary filter cotton (1002), the outer layer of the secondary filter cotton (1002) is connected with an activated carbon adsorption layer (1003), and the primary filter cotton (1001), the secondary filter cotton (1002) and the activated carbon adsorption layer (1003) are all arranged in a ring shape.

3. The clinical anesthetic gas purification device for anesthesia department according to claim 1, characterized in that an annular sealing plate is fixedly connected to the sealing seat (5), an induced draft fan (7) is symmetrically and fixedly installed on the annular sealing plate, an outlet duct (8) is fixedly connected to an output end of the induced draft fan (7), a control valve (9) is arranged on the outlet duct (8), an air suction pipe is fixedly connected to an air suction end of the induced draft fan (7), and the air suction pipe penetrates through the annular sealing plate.

4. The anesthesia department clinical anesthetic gas purification apparatus of claim 1, wherein a one-way liquid inlet valve is fixedly connected to the bottom side of the pressurization chamber (6), a water suction pipe (23) is connected to the one-way liquid inlet valve, and the water suction pipe (23) extends to the bottom of the water tank (4).

5. The anesthesia department clinical anesthetic gas purification apparatus of claim 1, wherein the pressurization pipe (20) is disposed through the piston block (21), and a one-way liquid outlet valve (22) is connected to the bottom end of the pressurization pipe (20).

6. The anesthesia department clinical anesthetic gas purification apparatus of claim 1, wherein the upper end of the reciprocating lead screw (14) is fixedly connected with a rotating shaft (19), and the upper end of the rotating shaft (19) extends into the air inlet channel (3) and is fixedly connected with a drainage fan blade (12).

7. The anesthesia department clinical anesthetic gas purification apparatus of claim 1, wherein a water inlet is provided at one side of the water tank (4), the water inlet extends to the outside of the sealed housing (2), and a sealing plug is provided at the water inlet.

8. The clinical anesthetic gas purification apparatus for anesthesia department according to claim 1, wherein a sealing sleeve is fixedly connected to the bottom wall of the water tank (4), and the output shaft is located in the sealing sleeve.