CN110812656A - Special oxygen humidifier for anesthesia machine - Google Patents

Special oxygen humidifier for anesthesia machine Download PDF

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Publication number
CN110812656A
CN110812656A CN201911092691.1A CN201911092691A CN110812656A CN 110812656 A CN110812656 A CN 110812656A CN 201911092691 A CN201911092691 A CN 201911092691A CN 110812656 A CN110812656 A CN 110812656A
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China
Prior art keywords
water tank
pipe
anesthesia machine
oxygen
water
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Pending
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CN201911092691.1A
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Chinese (zh)
Inventor
曲著勇
钟明强
孙淑梅
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Individual
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Priority to CN201911092691.1A priority Critical patent/CN110812656A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/104—Preparation of respiratory gases or vapours specially adapted for anaesthetics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0208—Oxygen

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  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Epidemiology (AREA)
  • Air Humidification (AREA)

Abstract

The invention discloses a special oxygen humidifier for an anesthesia machine, which comprises a bottom plate and a humidifying device, wherein the bottom plate is provided with a water inlet and a water outlet; a bottom plate: the middle part of the upper surface of the bottom plate is provided with a water tank, and the interior of the water tank is hollow; a humidifying device: humidifying device includes outlet duct, draught fan, ventilative case, bleeder vent and intake pipe, the bottom in the water tank is established to ventilative case, the inside of ventilative case is cavity, and the upper surface of ventilative case is equipped with the bleeder vent, the lower extreme of outlet duct is connected with the right side of water tank upper surface, and the inside of outlet duct intercommunication water tank, be equipped with the draught fan on the outlet duct, the intake pipe is established in the left side of water tank upper surface, and the lower extreme of intake pipe passes the upper surface of water tank and the left side fixed connection of ventilative case upper surface, and this anesthesia machine special oxygen humidifier can be with the oxygen humidification that anesthesia machine carried to can increase the temperature with the oxygen of humidification, make the patient can not feel uncomfortable when the treatment.

Description

Special oxygen humidifier for anesthesia machine
Technical Field
The invention relates to the technical field of medical equipment, in particular to an oxygen humidifier special for an anesthesia machine.
Background
The anesthesia machine sends the anesthetic into the alveolus of the patient through a mechanical loop to form the gas partial pressure of the anesthetic, after the anesthetic is dispersed into the blood, the anesthesia machine is a semi-open anesthesia device, and mainly comprises an anesthesia evaporation tank, a flowmeter, a folding bellows respirator, a breathing loop (comprising an inhalation one-way valve, an exhalation one-way valve and a manual air bag), a corrugated pipeline and other components, the oxygen introduced into the anesthesia machine at present is pure oxygen and does not contain any moisture, the anesthesia machine can only convey dry oxygen and anesthetic to alveoli of a patient, and carbon dioxide can be discharged from the loop of the anesthesia machine, during this process, moisture is carried away from the lungs, causing discomfort to the patient, and the cold oxygen, which does not heat the oxygen during delivery, can cause discomfort to the patient's lungs and can be detrimental to the patient's treatment.
When the existing oxygen humidifier special for the anesthesia machine with application number 201820299820.9 is used for the first time, 15ml of sterilized distilled water or injection water is injected into a water injection pipe, and then 10ml of sterilized distilled water or injection water is injected into each side of the water injection pipe every 30 minutes, so that a water absorption layer wrapped outside a connecting pipe in the humidifier can be kept to be always sufficient in moisture, and moisture evaporation is facilitated; the connecting pipe is connected in series on the oxygen pipeline, oxygen enters the connecting pipe of the oxygen humidifier from the air inlet end, the special humidifier for the anesthesia machine has poor humidifying effect on the oxygen, and can not heat the oxygen, so that the lung of a patient feels uncomfortable.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide the special oxygen humidifier for the anesthesia machine, which can humidify the oxygen delivered by the anesthesia machine, increase the temperature of the humidified oxygen, prevent a patient from feeling uncomfortable during treatment, and effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an oxygen humidifier special for an anesthesia machine comprises a bottom plate and a humidifying device;
a bottom plate: the middle part of the upper surface of the bottom plate is provided with a water tank, and the interior of the water tank is hollow;
a humidifying device: the humidifying device comprises an air outlet pipe, an induced draft fan, a ventilation box, air holes and an air inlet pipe, wherein the ventilation box is arranged at the bottom in the water tank, the inside of the ventilation box is hollow, the air holes are formed in the upper surface of the ventilation box, the lower end of the air outlet pipe is connected with the right side of the upper surface of the water tank, the air outlet pipe is communicated with the inside of the water tank, the induced draft fan is arranged on the air outlet pipe, the lower surface of the induced draft fan is fixedly connected with the upper surface of the water tank, the air inlet pipe is arranged on the left side of the upper surface of the water tank, the lower end of the air inlet pipe penetrates through the upper surface of the water tank and;
wherein: still include the switch group, the switch group sets up the middle part of water tank right flank, and the input of switch group is connected with external power source's output electricity, the output of switch group is connected with the input electricity of draught fan, but carries out the humidification through the oxygen that humidifying device anesthesia machine carried to in letting in oxygen ventilation box through the intake pipe, make the abundant contact of water in oxygen and the water tank, can effectively improve the humidity of oxygen, make the patient can not feel uncomfortable when the treatment.
Further, still include observation window and self-adhesion offset plate, the middle part at the water tank leading flank is established to the observation window, the upper surface of self-adhesion offset plate and the lower surface middle part fixed connection of bottom plate can the person of facilitating the use through the observation window observe the water level condition in the water tank to can conveniently observe the velocity of flow of oxygen, can be convenient fix the bottom plate on the anesthesia machine through self-adhesion glue, improve the stability when using, person of facilitating the use's use.
Further, still include inlet tube and the solenoid valve of intaking, the right-hand member of inlet tube is connected with the water inlet of water tank left surface upper end, be equipped with the solenoid valve of intaking on the inlet tube, the input of the solenoid valve of intaking is connected with the output electricity of switch block, can be convenient through the inlet tube add water in the water tank to can guarantee the leakproofness of inlet tube through the solenoid valve of intaking.
Furthermore, the overflow pipe is arranged in the middle of the right side face of the water tank and is communicated with the inside of the water tank, the overflow check valve is arranged on the overflow pipe, water in the water tank can be timely discharged through the overflow pipe when the water is too much, and the gas outlet of the water tank is prevented from being submerged due to too high water level.
The water tank is characterized by further comprising an ultraviolet lamp tube, wherein the ultraviolet lamp tube is arranged at the top in the water tank, the input end of the ultraviolet lamp tube is electrically connected with the output end of the switch group, and the water tank can be disinfected before use through the ultraviolet lamp tube.
Further, the oxygen humidification device further comprises a heater, wherein the heater is arranged on the air outlet pipe, the input end of the heater is electrically connected with the output end of the switch group, humidified oxygen can be heated through the heater, and the patient is prevented from feeling discomfort due to the supercooled oxygen.
Further, still include drain pipe and drain valve, the one end of drain pipe and the outlet connection of water tank, be equipped with the drain valve on the drain pipe, can prevent to foster the bacterium in the water tank through the water discharge pipe with the water discharge in the water tank after the humidifier uses.
Compared with the prior art, the invention has the beneficial effects that: the special oxygen humidifier for the anesthesia machine has the following advantages:
1. but the oxygen that anesthesia machine carried through humidification device carries out the humidification to let in oxygen in the ventilation tank through the intake pipe, make the abundant contact of water in oxygen and the water tank, can effectively improve the humidity of oxygen, make the patient not feel uncomfortable when the treatment.
2. Can the person of facilitating the use observe the water level condition in the water tank through the observation window to can conveniently observe the velocity of flow of oxygen, can be convenient fix the bottom plate on the anesthesia machine through the self-adhesion offset plate, stability when improving the use, person's of facilitating the use's use.
3. Through the inlet tube can be convenient add water to the water tank to can guarantee the leakproofness of inlet tube through the solenoid valve of intaking, can in time discharge when the water in the water tank is too much through the overflow pipe, prevent that the water level is too high and submerge the gas outlet of water tank.
4. Can be for the water tank disinfection before using through ultraviolet tube, can heat the oxygen after the humidification through the heater, prevent that super cold oxygen from making the patient feel uncomfortable, can discharge the water of water tank in the humidifier use back through the drain pipe, prevent to nourish living bacterium in the water tank.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the backside structure of the present invention.
In the figure: 1 bottom plate, 2 water tanks, 3 humidifying devices, 31 air outlet pipes, 32 induced draft fans, 33 air permeable boxes, 34 air permeable holes, 35 air inlet pipes, 4 switch groups, 5 observation windows, 6 self-adhesive rubber plates, 7 water inlet pipes, 8 water inlet electromagnetic valves, 9 overflow pipes, 10 one-way overflow valves, 11 ultraviolet lamp tubes, 12 heaters, 13 water outlet pipes and 14 water discharge valves.
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. 1-3, the present invention provides a technical solution: an oxygen humidifier special for an anesthesia machine comprises a bottom plate 1 and a humidifying device 3;
bottom plate 1: the middle part of the upper surface of the bottom plate 1 is provided with a water tank 2, and the interior of the water tank 2 is hollow;
a humidifying device 3: the humidifying device 3 comprises an air outlet pipe 31, an induced draft fan 32, a ventilation box 33, air vents 34 and an air inlet pipe 35, the ventilation box 33 is arranged at the bottom in the water tank 2, the inside of the ventilation box 33 is hollow, the air vents 34 are arranged on the upper surface of the ventilation box 33, the lower end of the air outlet pipe 31 is connected with the right side of the upper surface of the water tank 2, the air outlet pipe 31 is communicated with the inside of the water tank 2, the induced draft fan 32 is arranged on the air outlet pipe 31, the lower surface of the induced draft fan 32 is fixedly connected with the upper surface of the water tank 2, the air inlet pipe 35 is arranged on the left side of the upper surface of the water tank 2, the lower end of the air inlet pipe 35 penetrates through the upper surface of the;
wherein: still include switch group 4, switch group 4 establishes the water tank at the middle part of 2 right flanks, and switch group 4's input is connected with external power source's output electricity, switch group 4's output is connected with draught fan 32's input electricity, but the oxygen that the anesthesia machine carried through humidification device 3 carries out the humidification, and let in oxygen among the ventilative case 33 through intake pipe 35, make the abundant contact of water in oxygen and the water tank 2, can effectively improve the humidity of oxygen, make the patient can not feel uncomfortable when the treatment.
Wherein: still include observation window 5 and self-adhesion offset plate 6, observation window 5 is established at the middle part of 2 leading flanks of water tank, and the upper surface of self-adhesion offset plate 6 and the lower surface middle part fixed connection of bottom plate 1 can the person of facilitating the use observe the water level condition in the water tank 2 through observation window 5 to can conveniently observe the velocity of flow of oxygen, can be convenient fix bottom plate 1 on the anesthesia machine through self-adhesion offset plate 6, improve the stability when using, the person's of facilitating the use.
Wherein: still include inlet tube 7 and the solenoid valve 8 of intaking, the right-hand member of inlet tube 7 is connected with the water inlet of 2 left surfaces upper ends of water tank, is equipped with the solenoid valve 8 of intaking on the inlet tube 7, and the input of solenoid valve 8 of intaking is connected with the output electricity of switch block 4, through inlet tube 7 can be convenient add water in water tank 2 to can guarantee the leakproofness of inlet tube 7 through solenoid valve 8 of intaking.
Wherein: still include overflow pipe 9 and one-way overflow valve 10, overflow pipe 9 is established at the middle part of 2 right flanks of water tank, and overflow pipe 9 intercommunication water tank 2's inside, is equipped with overflow check valve 10 on overflow pipe 9, can in time discharge when the water in water tank 2 is too much through overflow pipe 9, prevents that the water level is too high and submerges the gas outlet of water tank 2.
Wherein: the water tank disinfection device further comprises an ultraviolet lamp tube 11, the ultraviolet lamp tube 11 is arranged at the top in the water tank 2, the input end of the ultraviolet lamp tube 11 is electrically connected with the output end of the switch group 4, and the water tank 2 can be disinfected before use through the ultraviolet lamp tube 11.
Wherein: the oxygen humidification oxygen supply device further comprises a heater 12, the heater 12 is arranged on the air outlet pipe 31, the input end of the heater 12 is electrically connected with the output end of the switch group 4, humidified oxygen can be heated through the heater 12, and the patient is prevented from feeling discomfort due to over-cooled oxygen.
Wherein: the water tank is characterized by further comprising a drain pipe 13 and a drain valve 14, one end of the drain pipe 13 is connected with a water outlet of the water tank 2, the drain pipe 13 is provided with the drain valve 14, water in the water tank 2 can be drained after the humidifier is used through the drain pipe 13, and bacteria are prevented from growing in the water tank 2.
When in use: the soleplate 1 is fixed on an anesthesia machine through a self-adhesive rubber plate 6, an air inlet pipe 35 and an air outlet pipe 31 are connected on an oxygen pipe of the anesthesia machine in series, an external power supply is switched on, a water inlet pipe 7 is connected with an external distilled water pipe, a switch group 4 controls a water inlet electromagnetic valve 8 to be opened, distilled water is added into a water tank 2, the anesthesia machine works, oxygen is conveyed into a ventilation tank 33 through the air inlet pipe 35 and is conveyed into the water tank 2 through a ventilation hole 34, the oxygen is fully contacted with the distilled water in the water tank 2, the oxygen increases the humidity, a draught fan 32 is controlled to work through the switch group 4, the water humidified in the water tank 2 is quickly conveyed to the lung of a patient through the air outlet pipe, when the temperature is low in winter, a heater 12 is controlled to work through the switch group 4, the humidified oxygen is heated, and the warm and humid oxygen is conveyed to the lung of the patient, when the water level in the water tank 2 exceeds the overflow pipe 9, the distilled water exceeding the water level can be discharged to the outside through the overflow pipe 9, after the use is finished, the drain valve 14 can be opened to discharge the distilled water remained in the water tank 2 to the outside through the drain pipe 13, and the ultraviolet lamp tube 11 is controlled to work through the switch group 4 to sterilize the water tank 2.
It should be noted that the induced draft fan 32 used in this embodiment is a centrifugal induced draft fan of the siema air blower, inc, new county, with the specific model of G/Y4-73, the heater 12 is a pipe electric heater of the wott machinery, inc, in the salt city, with the specific model of WTG-18, and the switch group 4 controls the induced draft fan 32, the water inlet solenoid valve 8, the ultraviolet lamp 11, and the heater 12 to operate by a method commonly used in the prior art.
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 (7)

1. The utility model provides a special oxygen humidifier of anesthesia machine which characterized in that: comprises a bottom plate (1) and a humidifying device (3);
base plate (1): a water tank (2) is arranged in the middle of the upper surface of the bottom plate (1), and the inside of the water tank (2) is hollow;
a humidifying device (3): the humidifying device (3) comprises an air outlet pipe (31), an induced draft fan (32), a ventilation box (33), air holes (34) and an air inlet pipe (35), the air permeable box (33) is arranged at the bottom in the water tank (2), the air permeable box (33) is hollow, the upper surface of the ventilation box (33) is provided with ventilation holes (34), the lower end of the air outlet pipe (31) is connected with the right side of the upper surface of the water tank (2), and the air outlet pipe (31) is communicated with the inside of the water tank (2), the air outlet pipe (31) is provided with a draught fan (32), the lower surface of the draught fan (32) is fixedly connected with the upper surface of the water tank (2), the air inlet pipe (35) is arranged on the left side of the upper surface of the water tank (2), the lower end of the air inlet pipe (35) penetrates through the upper surface of the water tank (2) and is fixedly connected with the left side of the upper surface of the ventilation box (33), and the air inlet pipe (35) is connected with the inside of the ventilation box (33);
wherein: still include switch group (4), switch group (4) are established the water tank and are in the middle part of (2) right flank, and the input of switch group (4) is connected with external power source's output electricity, the output of switch group (4) is connected with the input electricity of draught fan (32).
2. The oxygen humidifier special for anesthesia machine of claim 1, wherein: still include observation window (5) and self-adhesion offset plate (6), establish the middle part at water tank (2) leading flank in observation window (5), the lower surface middle part fixed connection of the upper surface of self-adhesion offset plate (6) and bottom plate (1).
3. The oxygen humidifier special for anesthesia machine of claim 1, wherein: still include inlet tube (7) and inlet solenoid valve (8), the right-hand member of inlet tube (7) is connected with the water inlet of water tank (2) left surface upper end, be equipped with inlet solenoid valve (8) on inlet tube (7), the input of inlet solenoid valve (8) is connected with the output electricity of switch block (4).
4. The oxygen humidifier special for anesthesia machine of claim 1, wherein: still include overflow pipe (9) and one-way overflow valve (10), overflow pipe (9) are established at the middle part of water tank (2) right flank, and overflow pipe (9) intercommunication water tank's (2) inside, be equipped with overflow check valve (10) on overflow pipe (9).
5. The oxygen humidifier special for anesthesia machine of claim 1, wherein: the water tank is characterized by further comprising an ultraviolet lamp tube (11), wherein the ultraviolet lamp tube (11) is arranged at the top in the water tank (2), and the input end of the ultraviolet lamp tube (11) is electrically connected with the output end of the switch group (4).
6. The oxygen humidifier special for anesthesia machine of claim 1, wherein: the air conditioner also comprises a heater (12), wherein the heater (12) is arranged on the air outlet pipe (31), and the input end of the heater (12) is electrically connected with the output end of the switch group (4).
7. The oxygen humidifier special for anesthesia machine of claim 1, wherein: still include drain pipe (13) and drain valve (14), the one end of drain pipe (13) and the outlet connection of water tank (2), be equipped with drain valve (14) on drain pipe (13).
CN201911092691.1A 2019-11-11 2019-11-11 Special oxygen humidifier for anesthesia machine Pending CN110812656A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911092691.1A CN110812656A (en) 2019-11-11 2019-11-11 Special oxygen humidifier for anesthesia machine

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Application Number Priority Date Filing Date Title
CN201911092691.1A CN110812656A (en) 2019-11-11 2019-11-11 Special oxygen humidifier for anesthesia machine

Publications (1)

Publication Number Publication Date
CN110812656A true CN110812656A (en) 2020-02-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111494775A (en) * 2020-04-26 2020-08-07 北京怡和嘉业医疗科技股份有限公司 Humidifier and ventilation treatment equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111494775A (en) * 2020-04-26 2020-08-07 北京怡和嘉业医疗科技股份有限公司 Humidifier and ventilation treatment equipment

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