CN111420076A

CN111420076A - Gynaecology and obstetrics's surgical instruments degassing unit

Info

Publication number: CN111420076A
Application number: CN202010376033.1A
Authority: CN
Inventors: 夏明静; 龙英丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-07-17
Anticipated expiration: 2040-05-07
Also published as: CN111420076B

Abstract

The invention relates to the technical field of medical instruments and discloses a disinfecting device for gynecological surgical instruments, which comprises a rack and an installation box, wherein a disinfecting chamber and a liquid storage chamber are arranged inside the installation box, an instrument rack and a driving rod are arranged in an inner cavity of the disinfecting chamber, the bottom ends of the instrument rack and the driving rod penetrate through the inner wall of the disinfecting chamber, the part, located outside the disinfecting chamber, is connected with a transmission assembly, and wind is fixedly installed on the inner wall of the top of the disinfecting chamber. This gynaecology and obstetrics's surgical instruments degassing unit fills into the antiseptic solution through the inside at the disinfection room until surgical instruments submergence in the antiseptic solution, and the revolving force of actuating lever is converted into to the impact force when cooperation drive assembly will disinfect liquid and flow, because the rotation of apparatus frame for can rotate when the complete submergence of apparatus is in disinfection liquid, reach the surface homoenergetic of apparatus and the positive impact of disinfection liquid, realized soaking and the dual effect that sprays, improved the disinfection effect of apparatus.

Description

Gynaecology and obstetrics's surgical instruments degassing unit

Technical Field

The invention relates to the technical field of medical instruments, in particular to a disinfecting device for gynecological surgical instruments.

Background

The surgical instruments refer to medical instruments used in clinical operations, and besides conventional surgical instruments, there are some specialized instruments: orthopedics, urology, gynecology, burn, orthopedics, brain surgery, cardiothoracic surgery, general surgery, and the like. These surgical instruments require a sterilization process after use. Surgical instruments, generally brush clean bloodstain with flowing water earlier, then, carefully inspect the apparatus, send into ultrasonic cleaner with the apparatus, vibrate the washing, then, air-dry, sharp thing, like the blade, the sewing needle can be adorned in the needle box to the apparatus room, then, with other apparatus, the auxiliary material, the surgical towel, the package is in a big blue cloth surgical instruments package, then beat the rope, paste the high pressure steam disinfection and instruct the subsides, send into the disinfection of high pressure steam sterilizer.

Most of the existing gynecological surgical instrument disinfection devices firstly soak surgical instruments in disinfectant for disinfection in the disinfection process, but the disinfection effect of the soaking disinfection mode is low due to poor liquidity of liquid during soaking, so that the soaking mode is replaced by a spraying mode, but during spraying, sprayed water flows are bunched, gaps exist among all the water flows, the possibility that the surfaces of the surgical instruments are not contacted with the water flows possibly exists, and the disinfection effect is low; in addition, in the prior art, high-temperature gas is mostly directly sprayed on the surface of the surgical instrument when the surgical instrument is dried, and disinfectant adhered to the surface of the surgical instrument is only removed in an evaporation mode, so that the drying speed is low.

Disclosure of Invention

Aiming at the defect of low disinfection effect in the prior art provided by the background technology, the invention provides the gynecological surgical instrument disinfection device, which has the advantages of positive impact of the surface of a surgical instrument and a disinfection water flow, high disinfection effect and high drying effect, and solves the problems of low disinfection effect and low drying speed.

The invention provides the following technical scheme: a gynecological surgical instrument disinfection device, which comprises a frame and a mounting box, wherein a disinfection chamber and a liquid storage chamber are arranged inside the mounting box, the inner cavity of the disinfection chamber is provided with an instrument frame and a driving rod, the bottom ends of the instrument frame and the driving rod penetrate through the inner wall of the disinfection chamber, and the part of the instrument frame and the driving rod, which is positioned outside the disinfection chamber, is connected with a transmission assembly, an air chamber is fixedly arranged on the inner wall of the top of the disinfection chamber, through holes are uniformly arranged on the side surface of the air chamber, a one-way air valve is fixedly arranged at the through hole, a stop mechanism and an energy storage mechanism are arranged in the air chamber, the top end of the driving rod extends into the inner cavity of the air chamber and is connected with the stopping mechanism and the energy storage mechanism, the stopping mechanism is used for controlling the rotation direction of the driving rod, the energy storage mechanism provides driving force for the driving rod to rotate reversely, the middle part of actuating lever is provided with drive assembly, drive assembly is used for converting the impact force of liquid into the revolving force of actuating lever.

Preferably, drive assembly includes outer box, blade and steering mechanism, the box passes through bracing piece fixed connection in the below of plenum, the actuating lever runs through the inside of box, steering mechanism includes two vertical meshed bevel gears, the axis of blade and the inside at two bevel gears of actuating lever fixed hub connection respectively, steering mechanism is used for converting the vertical revolving force of blade into the horizontal revolving force of actuating lever.

Preferably, the stopping mechanism comprises a ratchet wheel, a pawl, an elastic sheet, a connecting rod and a push plug, the ratchet wheel, the pawl and the elastic sheet form a ratchet wheel mechanism for preventing the driving rod from reversing, the connecting rod is fixedly connected to the top of the pawl, the push plug is fixedly connected to one end, far away from the pawl, of the connecting rod, an air passage is formed in the top of the disinfection chamber, the air passage is located in the air chamber, and the push plug is sleeved in the air passage in a sliding mode.

Preferably, the energy storage mechanism comprises a fixed box and a reed, the fixed box is fixedly arranged in the air chamber, two ends of the reed are respectively and fixedly connected to the surfaces of the fixed box and a driving rod, the reed is wound into a spiral shape, and the driving rod is positioned in the middle of the reed.

Preferably, the transmission assembly includes driving gear and driven gear, driving gear and driven gear's middle part is cup jointed with actuating lever and apparatus frame is fixed respectively, the driving gear meshes with driven gear, the driving gear is the same with driven gear's teeth of a cogwheel interval and the external diameter of driving gear is greater than driven gear's external diameter.

Preferably, the inside fixed mounting of install bin has the high temperature disinfection gas tank, the exit linkage of high temperature disinfection gas tank has the air pump, the air pump passes through the pipeline and links to each other with the air flue.

Preferably, a partition plate is arranged inside the liquid storage chamber, the side face of the partition plate is arc-shaped, a liquid dropping opening is formed in the lowest point of the partition plate, and an exhaust gas hole located above the partition plate is formed in the outer wall of the liquid storage chamber.

Preferably, the bottom of the disinfection chamber is fixedly connected with a communicating pipe at a position close to the driving rod, the bottom of the communicating pipe is connected with the top of the liquid storage chamber, and a one-way valve is fixedly mounted on the communicating pipe.

Preferably, a liquid inlet and a liquid outlet are respectively formed in two sides of the disinfection chamber, liquid separation cavity plates located at the liquid inlet and the liquid outlet are fixedly arranged on the inner wall of the disinfection chamber, the liquid separation cavity plates are hollow, and liquid separation ports are uniformly formed in the side faces of the liquid separation cavity plates.

The invention provides a gynecological surgical instrument disinfection device, which has the following beneficial effects:

1. this gynaecology and obstetrics's surgical instruments degassing unit fills into the antiseptic solution through the inside at the disinfection room until surgical instruments submergence in the antiseptic solution, and the revolving force of actuating lever is converted into to the impact force when cooperation drive assembly will disinfect liquid and flow, because the rotation of apparatus frame for can rotate when the complete submergence of apparatus is in disinfection liquid, reach the surface homoenergetic of apparatus and the positive impact of disinfection liquid, realized soaking and the dual effect that sprays, improved the disinfection effect of apparatus.

2. This gynaecology and obstetrics's surgical instruments degassing unit, it gets up with the rotatory energy storage of actuating lever through energy storage mechanism, when using high temperature disinfection gas to disinfect the drying to the apparatus that washes, it is rotatory to utilize energy storage mechanism to drive actuating lever and apparatus frame the counter force of actuating lever, it will be stained with the antiseptic solution of attaching on surgical instruments surface and throw away to utilize rotatory centrifugal force to realize stirring gaseous and make gaseous formation cyclone to the rotation of actuating lever and apparatus frame, the formation of cyclone has promoted the instrument stoving speed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a partial top view of the present invention;

FIG. 4 is a cross-sectional view of the energy storage mechanism of the present invention;

fig. 5 is a schematic top view of the energy storage mechanism of the present invention.

In the figure: 1. a frame; 2. installing a box; 3. a sterilization chamber; 4. a liquid storage chamber; 5. an instrument rack; 6. a drive rod; 7. an air chamber; 8. a stop mechanism; 801. a ratchet wheel; 802. a pawl; 803. a spring plate; 804. a connecting rod; 805. a push plug; 9. an energy storage mechanism; 901. a fixed box; 902. a reed; 10. a transmission assembly; 101. a driving gear; 102. a driven gear; 11. a drive assembly; 110. a box body; 111. a blade; 112. a steering mechanism; 12. a partition plate; 13. an airway; 14. a liquid separation cavity plate.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a gynecological surgical instrument disinfection device comprises a rack 1 and an installation box 2, a disinfection chamber 3 and a liquid storage chamber 4 are arranged inside the installation box 2, an instrument frame 5 and a driving rod 6 are arranged in an inner cavity of the disinfection chamber 3, the instrument frame 5 is welded into a barrel shape by stainless steel materials, surgical instruments are placed inside the instrument frame 5, a sealing cover is arranged on the surface of the installation box 2 corresponding to the upper part of the instrument frame 5, the bottom ends of the instrument frame 5 and the driving rod 6 penetrate through the inner wall of the disinfection chamber 3, the part of the outer side of the disinfection chamber 3 is connected with a transmission assembly 10, the transmission assembly 10 comprises a driving gear 101 and a driven gear 102, the middle parts of the driving gear 101 and the driven gear 102 are fixedly sleeved with the driving rod 6 and the instrument frame 5 respectively, the driving gear 101 is engaged with the driven gear 102, the gear teeth space between the driving gear 101 and the driven gear 102 is, the transmission assembly 10 is used for driving the instrument rack 5 to automatically rotate through the driving rod 6, so that when instruments in the instrument rack 5 rotate, all side surfaces of the instruments can be in contact with the front surface of liquid, the cleaning effect of the instruments is improved under the impact of the liquid, the rotating speed of the instrument rack 5 can be improved through the design of the outer diameter, an air chamber 7 is fixedly arranged on the inner wall of the top of the disinfection chamber 3, through holes are uniformly formed in the side surfaces of the air chamber 7, a one-way air valve is fixedly arranged at the through holes, and a stop mechanism 8 and an energy storage mechanism 9 are arranged in the air chamber 7; the energy storage mechanism 9 comprises a fixed box 901 and a reed 902, the fixed box 901 is fixedly arranged in the air chamber 7, two ends of the reed 902 are respectively and fixedly connected with the fixed box 901 and the surface of the driving rod 6, the reed 902 is wound into a spiral shape, and the driving rod 6 is positioned in the middle of the reed 902; the top end of the driving rod 6 extends into the inner cavity of the air chamber 7 and is connected with a stopping mechanism 8 and an energy storage mechanism 9, the stopping mechanism 8 is used for controlling the rotation direction of the driving rod 6, referring to fig. 2, the stopping mechanism 8 comprises a ratchet 801, a pawl 802, an elastic sheet 803, a connecting rod 804 and a push plug 805, the ratchet 801, the pawl 802 and the elastic sheet 803 form a ratchet mechanism for preventing the driving rod 6 from reversing, which belongs to the prior art, the top of the pawl 802 is fixedly connected with the connecting rod 804, one end of the connecting rod 804 far away from the pawl 802 is fixedly connected with a push plug 805, the top of the disinfection chamber 3 is provided with an air channel 13, the air channel 13 is located at the air chamber 7, namely, the air pump inputs high-temperature disinfection air into the inner cavity of the air inlet chamber 7 from the air channel 13 through a pipeline, the push plug 805 is slidably sleeved inside the air channel, when the air pressure acting on the surface of the push plug 805 in the air passage 13 is greater than the bearing force of the elastic sheet 803 on the pawl 802, the air pressure pushes the push plug 805 downwards, the pawl 802 presses the elastic sheet 803 downwards through the transmission of the connecting rod 804, so that one end clamped by the pawl 802 and the ratchet 801 moves to the position below the gear teeth of the ratchet 801, the air enters the inner cavity of the air chamber 7 and is diffused into the inner cavity of the disinfection chamber 3 through the through hole, and the driving rod 6 reversely rotates under the deformation force of the elastic sheet 902 due to the fact that no stopping mechanism 8 is arranged, on one hand, the transmission assembly 10 drives the instrument rack 5 to reversely rotate, on the other hand, the air in the disinfection chamber 3 is stirred to form a cyclone, and enters the interior of the liquid storage chamber 4 through the communicating pipe below the disinfection chamber 3; the energy storage mechanism 9 provides a driving force for the driving rod 6 to rotate reversely, referring to fig. 5, when the driving rod 6 rotates, the reed 902 is driven to wind, the reed 902 has an elastic force for restoring to the original state, when the air pump does not introduce high-temperature sterilizing gas into the air passage 13, due to the support of the elastic sheet 803 on the pawl 802, the pawl 802 blocks the ratchet 801, so that the driving rod 6 sleeved with the ratchet 801 is fixed and can only move towards one direction, if the driving rod becomes a positive direction, when the pressure of the high-temperature sterilizing gas in the air passage 13 is greater than the elastic force of the elastic sheet 803, the push plug 805, the connecting rod 804 and the pawl 802 move downwards, the elastic sheet 803 deforms, the high-temperature sterilizing gas enters the inner cavity of the air chamber 7, and the driving rod 6 rotates; the middle part of the driving rod 6 is provided with a driving component 11, and the driving component 11 is used for converting the impact force of the liquid into the rotating force of the driving rod 6; the driving assembly 11 comprises an outer box 110, a blade 111 and a steering mechanism 112, the box 110 is fixedly connected below the air chamber 7 through a support rod, the driving rod 6 penetrates through the box 110, the steering mechanism 112 comprises two conical gears which are vertically meshed, a central shaft of the blade 111 and the driving rod 6 are fixedly sleeved inside the two conical gears respectively, the central shaft of the blade 111 is movably sleeved on the inner wall of the box 110, the blade 111 is positioned at the outer end of the box 110, the blade 111 faces the liquid inlet direction of the disinfection chamber 3, when liquid enters the inner cavity of the disinfection chamber 3 from the liquid inlet and fills the inner cavity of the disinfection chamber 3, the flow of the liquid impacts the surface of the blade 111, due to the asymmetrical arrangement of the surfaces of the blade 111, the surfaces at two sides of the blade 111 are unbalanced in force, so that the blade 111 rotates, the steering mechanism 112 is used for converting the longitudinal rotating force of the blade, that is, the longitudinal rotation of the blades 111 is converted into the lateral rotation of the driving lever 6; a partition plate 12 is arranged in the liquid storage chamber 4, the side surface of the partition plate 12 is arc-shaped, the lowest point of the partition plate 12 is provided with a liquid falling port, the outer wall of the liquid storage chamber 4 is provided with a waste gas hole positioned above the partition plate 12, the bottom of the disinfection chamber 3 is fixedly connected with a communicating pipe at a position close to the driving rod 6, the bottom of the communicating pipe is connected with the top of the liquid storage chamber 4, a one-way valve is fixedly arranged on the communicating pipe, when cleaning liquid is filled into the inner cavity of the disinfection chamber 3, the one-way valve is closed to prevent the liquid from flowing out from the bottom of the disinfection chamber 3, after the cleaning is finished, the one-way valve is opened, the liquid retained in the disinfection chamber 3 flows into the liquid storage chamber 4 through the communicating pipe and enters the bottom of the liquid storage chamber 4 through the liquid falling port on the partition plate 12, when a gas pump is opened to, and enters the liquid storage chamber 4 through the communicating pipe, the liquid staying on the surface of the surgical instrument enters the interior of the liquid storage chamber 4 through the liquid dropping port, and the gas is diffused out from the waste gas hole; a high-temperature disinfection gas box is fixedly arranged in the installation box 2, an outlet of the high-temperature disinfection gas box is connected with a gas pump, the gas pump is connected with the air passage 13 through a pipeline, the effect of the lowest air pressure value of the gas pump can push the push plug 805 to move downwards and move out of the air passage 13, gas enters the inner cavity of the air chamber 7 from a gap between the push plug 805 and the inner wall of the air chamber 7 and enters the inner cavity of the disinfection chamber 3 through a through hole in the side surface of the air chamber 7, and the liquid can be prevented from entering the air through a one-way air valve; the liquid inlet and the liquid outlet are respectively formed in two sides of the disinfection chamber 3, the liquid outlet is connected with a water pump through a pipeline, the water pump continuously introduces cleaning liquid into the disinfection chamber 3, due to the flowability of the cleaning liquid, the cleaning liquid impacts the surface of the blade 111 to promote the rotation of the blade 111, the liquid outlet is located at a position higher than the instrument rack 5 and close to the top end of the disinfection chamber 3, it is guaranteed that the disinfection chamber 3 can be filled with liquid or the height of the liquid is located above the instrument, liquid separation cavity plates 14 located at the liquid inlet and the liquid outlet are fixedly arranged on the inner wall of the disinfection chamber 3, the liquid separation cavity plates 14 are hollow inside, liquid separation ports are uniformly formed in the side faces of the liquid separation cavity plates 14, the liquid separation cavity plates 14 are used for balancing the water flow of all the surfaces of the disinfection chamber 3.

The using method of the invention is as follows:

firstly, a water pump inputs the disinfection liquid in a liquid storage chamber 4 into the disinfection chamber 3 from a liquid inlet until the inner cavity of the disinfection chamber 3 is filled with the liquid, the liquid is continuously introduced, the liquid in the disinfection chamber 3 flows towards a liquid outlet under the hydraulic action of the water pump, the liquid impacts the surface of a blade 111 in the flowing process, the blade 111 rotates, a driving rod 6 is driven to rotate by a steering mechanism 112, then the driving rod 6 drives an instrument frame 5 to rotate by a transmission assembly 10, the driving rod 6 gradually drives a reed 902 to wind in the rotating process, the driving rod 6 can only rotate in the forward direction under the combined action of a ratchet 801, a pawl 802 and a spring plate 803, finally, high-temperature disinfection gas is filled into the inner cavity of the air chamber 7 by the air pump, the air pressure pushes a push plug 805 to move downwards, the gas enters the inner cavity of the air chamber 7 from the gap between the air chamber 7 and the push plug 805 and enters the inner cavity of, meanwhile, as the push plug 805 moves downwards, the pawl 802 is staggered with the ratchet 801, the driving rod 6 rotates reversely under the action of the elastic restoring force of the reed 902 and drives the instrument rack 5 to rotate through the transmission assembly 10, the centrifugal force of the instrument rack 5 throws off the liquid on the surface of the instrument, and as the driving rod 6 and the instrument rack 5 rotate, the gas forms cyclone to accelerate the drying and sterilizing action on the surface of the instrument rack 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gynaecology and obstetrics's surgical instruments degassing unit, includes frame (1) and install bin (2), the inside of install bin (2) is provided with disinfection room (3) and stock solution room (4), its characterized in that: the inner cavity of the disinfection chamber (3) is provided with an instrument frame (5) and a driving rod (6), the bottom ends of the instrument frame (5) and the driving rod (6) penetrate through the inner wall of the disinfection chamber (3) and the part positioned outside the disinfection chamber (3) is connected with a transmission assembly (10), an air chamber (7) is fixedly mounted on the inner wall of the top of the disinfection chamber (3), through holes are uniformly formed in the side surface of the air chamber (7), one-way air valves are fixedly mounted at the through holes, a stop mechanism (8) and an energy storage mechanism (9) are arranged inside the air chamber (7), the top end of the driving rod (6) extends into the inner cavity of the air chamber (7) and is connected with the stop mechanism (8) and the energy storage mechanism (9), the stop mechanism (8) is used for controlling the rotation direction of the driving rod (6), and the energy storage mechanism (9) provides the driving force for the reverse, the middle part of actuating lever (6) is provided with drive assembly (11), drive assembly (11) are used for converting the impact force of liquid into the revolving force of actuating lever (6).

2. The gynecological surgical instrument disinfection device of claim 1, wherein: drive assembly (11) are including outer box (110), blade (111) and steering mechanism (112), box (110) are through bracing piece fixed connection in the below of plenum (7), the inside of box (110) is run through in actuating lever (6), steering mechanism (112) are including two vertical meshing's conical gear, the axis of blade (111) and actuating lever (6) are fixed the cover respectively and are connected in the inside of two conical gear, steering mechanism (112) are used for converting the vertical revolving force of blade (111) into the horizontal revolving force of actuating lever (6).

3. The gynecological surgical instrument disinfection device of claim 1, wherein: the stopping mechanism (8) comprises a ratchet wheel (801), a pawl (802), an elastic sheet (803), a connecting rod (804) and a push plug (805), the ratchet wheel (801), the pawl (802) and the elastic sheet (803) form a ratchet wheel mechanism for preventing the driving rod (6) from reversing, the connecting rod (804) is fixedly connected to the top of the pawl (802), one end, far away from the pawl (802), of the connecting rod (804) is fixedly connected with the push plug (805), an air channel (13) is formed in the top of the disinfection chamber (3), the air channel (13) is located at the air chamber (7), and the push plug (805) is sleeved in the air channel (13) in a sliding mode.

4. The gynecological surgical instrument disinfection device of claim 1, wherein: the energy storage mechanism (9) comprises a fixed box (901) and a reed (902), the fixed box (901) is fixedly installed in the air chamber (7), two ends of the reed (902) are fixedly connected to the surfaces of the fixed box (901) and a driving rod (6) respectively, the reed (902) is wound into a spiral shape, and the driving rod (6) is located in the middle of the reed (902).

5. The gynecological surgical instrument disinfection device of claim 1, wherein: the transmission assembly (10) comprises a driving gear (101) and a driven gear (102), the middle parts of the driving gear (101) and the driven gear (102) are fixedly sleeved with the driving rod (6) and the instrument frame (5) respectively, the driving gear (101) is meshed with the driven gear (102), the gear tooth intervals of the driving gear (101) and the driven gear (102) are the same, and the outer diameter of the driving gear (101) is larger than that of the driven gear (102).

6. An gynecological surgical instrument disinfection apparatus as claimed in claim 3, wherein: the inside fixed mounting of install bin (2) has the high temperature disinfection gas tank, the exit linkage of high temperature disinfection gas tank has the air pump, the air pump passes through the pipeline and links to each other with air flue (13).

7. The gynecological surgical instrument disinfection device of claim 1, wherein: the waste gas treatment device is characterized in that a partition plate (12) is arranged inside the liquid storage chamber (4), the side face of the partition plate (12) is arc-shaped, a liquid falling port is formed in the lowest point of the partition plate (12), and a waste gas hole located above the partition plate (12) is formed in the outer wall of the liquid storage chamber (4).

8. The gynecological surgical instrument disinfection device of claim 1, wherein: the bottom of disinfection room (3) is close to the position fixedly connected with communicating pipe of actuating lever (6), the bottom of communicating pipe is connected with the top of stock solution room (4), fixed mounting has the check valve on the communicating pipe.

9. The gynecological surgical instrument disinfection device of claim 1, wherein: the liquid inlet and the liquid outlet are respectively formed in two sides of the disinfection chamber (3), liquid separation cavity plates (14) located at the liquid inlet and the liquid outlet are fixedly arranged on the inner wall of the disinfection chamber (3), the liquid separation cavity plates (14) are hollow inside, and liquid separation ports are uniformly formed in the side faces of the liquid separation cavity plates (14).