CN107929910A - Warming humidification system - Google Patents

Warming humidification system Download PDF

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Publication number
CN107929910A
CN107929910A CN201711294230.3A CN201711294230A CN107929910A CN 107929910 A CN107929910 A CN 107929910A CN 201711294230 A CN201711294230 A CN 201711294230A CN 107929910 A CN107929910 A CN 107929910A
Authority
CN
China
Prior art keywords
air passage
passage block
warming humidification
cup
baffle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201711294230.3A
Other languages
Chinese (zh)
Inventor
李岱华
张国伟
徐伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG YIFENG MEDICAL TECHNOLOGY Co Ltd
Original Assignee
SHANDONG YIFENG MEDICAL TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANDONG YIFENG MEDICAL TECHNOLOGY Co Ltd filed Critical SHANDONG YIFENG MEDICAL TECHNOLOGY Co Ltd
Priority to CN201711294230.3A priority Critical patent/CN107929910A/en
Publication of CN107929910A publication Critical patent/CN107929910A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/14Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16Devices to humidify the respiration air
    • A61M16/162Water-reservoir filling system, e.g. automatic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3334Measuring or controlling the flow rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/36General characteristics of the apparatus related to heating or cooling
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2210/00Anatomical parts of the body
    • A61M2210/10Trunk
    • A61M2210/1025Respiratory system

Abstract

The invention belongs to respiratory tract humidifying apparatus field, and in particular to a kind of warming humidification system, including air passage block and warming humidification cup;Air passage block is equipped with inlet, outlet, its bottom is equipped with drying gas outlet and humidified gas entrance;There is liquid feeding passage, guiding axis and inner cavity in air passage block, there are venthole in inner cavity both sides, and two sliding sleeves are set with guiding axis, and two sliding sleeves are moved backward by linkage mechanism, and the opposite one end of two sliding sleeves is equipped with sealing plate, and sealing plate is used to open and close respective side venthole;Fixed baffle is distinguished on two sliding sleeves;When warming humidification cup and sealed air passage block, two sealing plates close the venthole of respective side, and inlet, outlet is communicated with drying gas outlet, humidified gas entrance respectively;When warming humidification cup is removed, venthole of two sealing plates away from respective side, two baffles block drying gas outlet, humidified gas entrance respectively.The system is suitable for using the patient of lung ventilator with machine for a long time, and warming humidification cup can be removed to cleaning disinfection under the premise of system normal ventilation is not influenced.

Description

Warming humidification system
Technical field
It is wet for lung ventilator (household or medical) or single respiratory tract the present invention relates to a kind of warming humidification system Change, belong to respiratory tract humidifying apparatus field.
Background technology
Because environmental drying, fever, breathing problem can influence the humidifying of respiratory tract, it is gentle particularly to carry out trachea cannula The patient that pipe is cut, outside air are directly entered tracheae, and the function of upper respiratory tract humidifying suction gas completely loses, easy damaged tracheae The normal defense function of the mucociliary system of mucous membrane, causes respiratory inflammation, causes atelectasis, arterial blood oxygen decline etc., because This needs to carry out humidifying to respiratory tract by humidifying equipment, to meet needs of the respiratory tract to moisture.Humidifying equipment is wide at present It is general to be applied on household or medical lung ventilator or single respiratory tract humidifying.
Humidifying equipment on sale has dedicated respiratory tract humidification system currently on the market, also has and household or medical lung ventilator The humidification machine of adapted.But either which kind of humidifying equipment, it is necessary under shutdown status to contain humidifying water humidification bottle into Row cleaning sterilizes, therefore the patient of lung ventilator there are significant limitation, will be especially used long-time in application --- If not cleaning humidification bottle, usage time, which has been grown, can grow a large amount of bacteriums, and then trigger the breathing problem with machine patient, influence The health of patient;If cleaning humidification bottle is it is necessary to interrupt the breathing supply to patient, unfavorable to patient, for dyspneic disease People even has the possibility of threat to life.
Except above-mentioned points, current humidifying equipment usually all possesses heating function, so that the gas and human temperature of input human body Degree is adapted, but conventional wet equipment is all to realize heating using Alternating Current Power Supply, when heated with kelvin effect, i.e. surface Current density is more than internal current density, therefore heats inequality, and there are some potential safety problems.
The content of the invention
The technical problem to be solved in the present invention is:Overcome deficiency of the prior art, there is provided one kind can not influence just Often humidifying cup is removed on the premise of breathing supply and carries out cleaning disinfection and warming humidification system simple and efficient to handle.
Warming humidification system of the present invention, including air passage block and warming humidification cup;The open topped of warming humidification cup, It is located at below air passage block and is slidably matched with air passage block, is fastened after the two assembling by latching;Air passage block is equipped with air inlet And gas outlet, its bottom are equipped with drying gas outlet and humidified gas entrance;There is liquid feeding passage, liquid feeding passage longitudinal direction in air passage block Through air passage block, the liquid feeding end installation sealing-plug of liquid feeding passage;Guiding axis and an inner cavity, the both sides tool of inner cavity are equipped with air passage block Have venthole, be successively set with sliding sleeve one and sliding sleeve two on guiding axis, two sliding sleeves can be moved back and forth along guiding axis and the two (i.e. two Sliding sleeve) opposite direction occurred by linkage mechanism move, the opposite one end of two sliding sleeves is equipped with sealing plate, two sealing plates be located at interior intracavitary and For opening and closing the venthole of respective side;It is fixed for blocking the baffle one of drying gas outlet on sliding sleeve one, fixes and use on sliding sleeve two In the baffle two of closure humidified gas entrance, baffle one, baffle two are located in air passage block, and corresponding baffle one or baffle two, which are equipped with, to be pushed away Moving part;When warming humidification cup and sealed air passage block, sliding sleeve one, sliding sleeve two are located at both ends, and two sealing plates close the venthole of respective side, Air inlet is communicated with drying gas outlet, and gas outlet is communicated with humidified gas entrance;When warming humidification cup is removed, sliding sleeve one, sliding sleeve Two are located at middle part, venthole of two sealing plates away from respective side, and baffle one blocks drying gas outlet, and baffle two blocks humidified gas and enters Mouthful.
For the ease of describing the operation principle process of the present invention, before end where the air inlet of air passage block is defined as air passage block End, air passage block rear end is defined as by end where the gas outlet of air passage block, and by taking impeller promotes baffle one to act as an example, to this hair The bright course of work is done described below:
In use, by the air inlet of the conveying gas piping access air passage block of lung ventilator, pacify at the gas outlet of air passage block Dress air-breathing connects mouth, and air-breathing connects the breathing circuit that mouth is used to connect patient.Afterwards, by clean warming humidification cup from back to front with gas Road block slidable fit, and fastened by latching, warming humidification cup and air passage block is fixed as one, then driven by impeller Baffle one and sliding sleeve one are moved to air passage block front end, and under linkage mechanism effect, sliding sleeve two and baffle two are moved to air passage block rear end Dynamic, last two sliding sleeve moves to both ends, and baffle one, baffle two no longer block drying gas outlet, humidified gas entrance, so that air inlet Mouthful communicated with drying gas outlet, gas outlet is communicated with humidified gas entrance, at the same time, sealing plate on two sliding sleeves is by respective side Venthole is closed, and gas circuit inner cavity in the block is closed, it is ensured that cold dry gas enters warming humidification through air inlet, drying gas outlet Cup in, finally by liquid feeding passage into warming humidification cup fill humidifying water (generally use distilled water or pure water), it is right Cold dry gas is heated, humidifying, the gas after warming humidification is discharged from the gas outlet of air passage block, and by being filled on air passage block Air-breathing connects the breathing circuit that mouth is passed through patient;
When band machine, warming humidification cup need the periodic cleaning to sterilize to patient for a long time, lock is opened, by warming humidification cup (i.e. air passage block rear end) is slided, removes humidifying cup backward, and while warming humidification cup is slided, gear is reversely promoted by impeller Plate one, makes baffle one and sliding sleeve one to mobile in the middle part of air passage block, while under linkage mechanism effect, sliding sleeve two and baffle two also to Mobile in the middle part of air passage block, last two sliding sleeve is moved in the middle part of air passage block, and at this time, baffle one, baffle two block dry gas and go out respectively Mouth, humidified gas entrance, while venthole of the sealing plate on two sliding sleeves away from respective side, the blow vent of inner cavity both sides are opened, Air inlet is connected with gas outlet by inner cavity, it is ensured that whole warming humidification system normal ventilation, so as to ensure to heating When humidifying cup carries out cleaning disinfection, eupnea supply is not influenced, it is ensured that the safety of patient.
Preferably, the linkage mechanism includes three connecting rods, and connecting rod one, connecting rod two, connecting rod three are sequentially hinged, connecting rod one Being rotated on positioning column and around positioning column, its outer end is hinged with baffle one, and the outer end of connecting rod three is fixedly connected with baffle two, The opposite direction for realizing sliding sleeve one and sliding sleeve two by the structure type moves.
Preferably, the impeller is a push rod, and corresponding push rod sets pilot hole on air passage block, the upper end of push rod with Baffle one is connected as one, and lower end is pierced by from pilot hole and on the outside of air passage block, and push rod can be moved back and forth along pilot hole.It is logical Cross and promote push rod manually, baffle one can be driven to move, and then drive sliding sleeve one, sliding sleeve two and baffle two to move.
It is further preferred that installing resetting spring on the guiding axis, resetting spring is located at the front of sliding sleeve one;Heat wet When changing cup and sealed air passage block, the front end of warming humidification cup pushes against push rod, and one pressed home spring of sliding sleeve.When warming humidification cup When being slidably mounted on air passage block, warming humidification cup directly acts on push rod, promotes push rod to be moved to air passage block front end, leads at the same time Cross one pressed home spring of sliding sleeve;When sliding backward warming humidification cup, the external force for acting on resetting spring fades away, and resets Spring resets under its own resilient effect and promotes sliding sleeve one to be moved to air passage block rear end.From above-mentioned action process, adding When filling warming humidification cup, warming humidification cup serves as external force and acts on push rod, and when removing warming humidification cup, resetting spring serves as outer Power acts on sliding sleeve, and indirectly-acting is in push rod in the lump, therefore whole process, without additionally promoting push rod manually, operation is more easy Fast.
Preferably, the bottom of the air passage block is equipped with the guide groove of indent, and warming humidification cup upper end is located in guide groove And can be moved back and forth along guide groove, the slidable fit of warming humidification cup and air passage block is realized by the structure.
Preferably, Temperature Humidity Sensor is installed in the gas outlet, can be detected in real time by Temperature Humidity Sensor The temperature value of output gas (and being passed through gas in patient respiration road) (reaches the temperature value of warming humidification default at gas port After maintain the temperature) and humidity value, and the humidity value of detection and the humidity value of warming humidification default are compared, it is real The filling on demand of humidifying water in existing warming humidification cup.
It is further preferred that the dropping bottle or drip bag for containing humidifying water, dropping bottle or drop are equipped with above air passage block Bag connects infusion pipeline, and flow regulator is provided with infusion pipeline, and infusion pipeline passes through the sealing-plug of liquid feeding passage liquid feeding end And stretch into liquid feeding passage.In application, puncture outfit can be installed additional in the lower end of infusion pipeline, and sealing is passed through by puncture outfit Plug, humidifying water is filled into warming humidification cup., can be by warming humidification cup by using the mode of drop filling humidifying water The humidifying water of injection is fully atomized, and be effectively prevent accumulation of the humidifying water in warming humidification cup, is avoided original humidifying The problem of bacterium being grown in bottle because being changed without for a long time.In addition, flow regulator is manually adjusted, is added easy to control The humidifying water adding amount of warm and humidization cup, when the humidity value that Temperature Humidity Sensor detects is less than setting value, adjusts flow-rate adjustment Device, increases the adding amount of humidifying water, raises humidity value, when humidity value reaches required setting value, stops flow-rate adjustment, maintains The filling speed, to ensure that the humidity of gas outlet output gas meets the requirements.
It is further preferred that setting pressing plate above sealing-plug, pressing plate fixed by fastener and air passage block, by pressing plate with And fastener positions sealing-plug, prevent sealing-plug from deviating from above air passage block.
Preferably, warming humidification cup is heated using polyimide heater film, and polyimide heater film is arranged on warming humidification In the bottom of a cup of cup or in side wall.The heating mode of direct current supply can be realized by using polyimide heater film, compares original The Alternating Current Power Supply come is safer, and gradient of temperature is softer, that is, realizes flexible heating, the gas temperature of final gas outlet output Relative constancy, is not in temperature overshot phenomenon.
Preferably, there are two power contacts on the upper surface of warming humidification cup, being equipped with circuit in air passage block connects sheet metal, The lower face of air passage block has two make contacts being connected with circuit connection sheet metal, and the position of two make contacts is touched with two power supplys Point position is corresponding (i.e.:In two make contacts, each make contact individually corresponds to a power contact);Warming humidification cup with When air passage block is sealed, each power contact is contacted with corresponding make contact, and the heater circuit of warming humidification cup is connected.Pass through The design can realize the automatic open close of warming humidification cup heating function, and without human intervention, application is more convenient.It is specific real Existing mode is as follows:After the completion of warming humidification cup and air passage block assembling, two power contacts on warming humidification cup with it is respective corresponding Make contact contact, the heater circuit in warming humidification cup connects, and heating function automatically turns on, and gas is heated;When Warming humidification cup from air passage block remove when, the power contact and make contact on warming humidification cup are contactless, and heater circuit disconnects, Heating function is automatically closed.
The possessed compared with prior art beneficial effect of the present invention is:
1st, the present invention is suitable for using the patient of lung ventilator with machine for a long time, is not influencing warming humidification system normal ventilation On the premise of, directly warming humidification cup can be removed, carry out cleaning disinfection, so as to ensure that the breathing of patient supplies, ensured The safety of patient;
2nd, the humidifying water injected in warming humidification cup can be carried out abundant mist by humidifying water by the way of drop filling Change, effectively prevent accumulation of the humidifying water in warming humidification cup, avoid in old-fashioned humidification bottle humidifying water because for a long time not more The problem of changing and growing bacterium;
3rd, warming humidification cup carries out the flexible heating of direct current supply using polyimide heater film, which compares originally Alternating Current Power Supply it is safer, gradient of temperature is softer, it is ensured that gas outlet output gas temperature relative constancy, avoid the occurrence of Temperature overshot phenomenon.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is that Fig. 1 omits the structure diagram after dropping bottle and infusion pipeline;
Fig. 3 is warming humidification cup and the view after the completion of air passage block assembling in the present invention;
Fig. 4 is the structure diagram of linkage mechanism under state shown in Fig. 3;
Fig. 5 is view of the present invention during warming humidification cup is removed;
Fig. 6 is the structure diagram of linkage mechanism under state shown in Fig. 5.
In figure:1st, dropping bottle;2nd, infusion pipeline;3rd, flow regulator;4th, air passage block;5th, warming humidification cup;6th, sealing-plug; 7th, pressing plate;8th, fastener;9th, Temperature Humidity Sensor;10th, air-breathing connects mouth;11st, latch;12nd, handle;13rd, air inlet;14th, sealing plate; 15th, sliding sleeve one;16th, resetting spring;17th, sealing ring;18th, guiding axis;19th, baffle one;20th, push rod;21st, drying gas outlet;22、 Inner cavity;23rd, humidified gas entrance;24th, polyimide heater film;25th, baffle two;26th, sliding sleeve two;27th, gas outlet;28th, position Column;29th, connecting rod one;30th, connecting rod two;31st, connecting rod three.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings:
As shown in Fig. 1~Fig. 6, warming humidification system includes containing humidifying water (generally use distilled water or pure water) use Dropping bottle 1, air passage block 4 and warming humidification cup 5.
Dropping bottle 1 is located at the top of air passage block 4, its bottom connects infusion pipeline 2, flow-rate adjustment is provided with infusion pipeline 2 Device 3.
The open topped of warming humidification cup 5, it is located at the lower section of air passage block 4 and is slidably matched with air passage block 4, can specifically use In the following manner is realized:The guide groove of indent is set in the bottom of air passage block 4,5 upper end of warming humidification cup is located in guide groove, and Warming humidification cup 5 can be moved back and forth along guide groove, so as to fulfill the slidable fit of warming humidification cup 5 and air passage block 4.Warming humidification After the completion of cup 5 is assembled with air passage block 4, fastened by lock 11.
There is liquid feeding passage, liquid feeding passage longitudinally runs through air passage block 4, and the liquid feeding end installation of liquid feeding passage is close in air passage block 4 Blocking 6 (uses sillicon rubber blocking) in the present embodiment, the lower end of the infusion pipeline 2 connected with dropping bottle 1 through the sealing-plug 6 and is stretched Enter in liquid feeding passage (in practical application, puncture outfit can be installed additional in the lower end of infusion pipeline 2, and by puncture outfit through close Blocking 6, humidifying water is filled into warming humidification cup 5 through liquid feeding passage).Sealing-plug 6 takes off above air passage block 4 in order to prevent Go out, in the present embodiment, pressing plate 7 is set above sealing-plug 6, pressing plate 7 is fixed by fastener 8 and air passage block 4, passes through pressing plate 7 And fastener 8 positions sealing-plug 6.
Air passage block 4 is equipped with air inlet 13 and gas outlet 27, and under normal operating condition, the conveying gas piping of lung ventilator connects In the air inlet 13 for entering air passage block 4, in the gas outlet 27 of air passage block 4 install air-breathing connect mouth 10 (air-breathing connect mouth 10 be used for connect disease The breathing circuit of people).The bottom of air passage block 4 is equipped with drying gas outlet 21 and humidified gas entrance 23, for the ease of description to this The structure and working principle process of invention is described, and the 13 place end of air inlet of air passage block 4 is defined as air passage block front end, will The 27 place end of gas outlet of air passage block 4 is defined as air passage block rear end.Guiding axis 18 and inner cavity 22, inner cavity 22 are equipped with air passage block 4 Both sides there is venthole, be successively set with sliding sleeve 1 and sliding sleeve 2 26 on guiding axis 18, two sliding sleeves can be along before guiding axis 18 After move and the two (i.e. two sliding sleeves) by linkage mechanism occur opposite direction move, the opposite one end of two sliding sleeves be (i.e. two sliding sleeves Abutting end) sealing plate 14 is equipped with, two sealing plates 14 are located in inner cavity 22 and are used for the venthole for opening and closing respective side;It is solid on sliding sleeve 1 Determine to be used for the baffle 1 for blocking drying gas outlet 21, be fixed for blocking the baffle two of humidified gas entrance 23 on sliding sleeve 2 26 25, baffle 1, baffle 2 25 are located in air passage block 4, and corresponding baffle 1 sets a push rod 20, and corresponding push rod 20 is in air passage block Pilot hole is set on 4, and upper end and the baffle 1 of push rod 20 are connected as one, and lower end is pierced by from pilot hole and is located at air passage block 4 outsides, push rod 20 can be moved back and forth along pilot hole.When warming humidification cup 5 and sealed air passage block 4, sliding sleeve 1, sliding sleeve 2 26 In both ends, two sealing plates 14 close the venthole of respective side, and air inlet 13 is communicated with drying gas outlet 21, gas outlet 27 and humidifying gas Body entrance 23 communicates;When warming humidification cup 5 is removed, sliding sleeve 1, sliding sleeve 2 26 are located at middle part, and two sealing plates 14 are away from respective side Venthole, baffle 1 block drying gas outlet 21, and baffle 2 25 blocks humidified gas entrance 23.
In use, push rod 20 can be promoted manually, drive baffle 1 to move, and then drive sliding sleeve 1, sliding sleeve two 26 and baffle 2 25 move.But a kind of more simple and convenient structure of application is provided in the present embodiment, i.e.,:In guiding axis 18 Upper installation resetting spring 16, when resetting spring 16 is located at the front of sliding sleeve 1, warming humidification cup 5 and sealed air passage block 4, heating is wet The front end for changing cup 5 pushes against push rod 20, and one 15 pressed home spring 16 of sliding sleeve.In this way, when warming humidification cup 5 is slidably mounted on gas When on road block 4, warming humidification cup 5 directly acts on push rod 20, promotes push rod 20 to be moved to air passage block front end, and then drives baffle One 19, sliding sleeve 1, sliding sleeve 2 26 and baffle 2 25 move, at the same time, one 15 pressed home spring 16 of sliding sleeve;When backward When sliding warming humidification cup 5, the external force for acting on resetting spring 16 fades away, and resetting spring 16 is multiple under its own resilient effect Position simultaneously promotes sliding sleeve 1 to be moved to air passage block rear end.Therefore whole process without additionally promoting push rod 20 manually, and operation is more It is simple and efficient.
Guiding axis 18 in the present embodiment extends transversely through air passage block 4, in order to ensure the dress between guiding axis 18 and air passage block 4 With leakproofness, sealing ring 17 is installed in the assembly connection position of guiding axis 18 and air passage block 4.
Linkage mechanism includes three connecting rods, and connecting rod 1, connecting rod 2 30, connecting rod 3 31 are sequentially hinged, and connecting rod 1 is installed Rotated on positioning column 28 and around positioning column 28, its outer end is hinged with baffle 1, and the outer end of connecting rod 3 31 and baffle 2 25 are solid Fixed connection, the opposite direction for realizing sliding sleeve 1 and sliding sleeve 2 26 by the structure type move.In the present embodiment, with guiding axis 18 Centered on axial symmetry set two groups of above-mentioned linkage mechanisms.
Temperature Humidity Sensor 9 is installed in the gas outlet 27 of air passage block 4, can be detected in real time by Temperature Humidity Sensor 9 The temperature value of output gas (and being passed through gas in patient respiration road) (reaches the temperature of warming humidification default at gas outlet 27 The temperature is maintained after angle value) and humidity value, and the humidity value of the humidity value of detection and warming humidification default is made into ratio It is right, realize the filling on demand of humidifying water in warming humidification cup 5.When the humidity value that Temperature Humidity Sensor 9 detects is less than setting value When, flow regulator 3 is adjusted, increases the adding amount of humidifying water, raises humidity value;When humidity value reaches required setting value, Stop flow-rate adjustment, the filling speed is maintained, to ensure that the humidity of 27 output gas of gas outlet meets the requirements.
Warming humidification cup 5 is heated using polyimide heater film 24, and polyimide heater film 24 is arranged on warming humidification cup 5 Bottom of a cup in.In order to facilitate hand-held, 5 side of warming humidification cup is provided with handle 12.
Warming humidification cup 5 in the present embodiment can realize the automatic open close of heating function, and concrete structure is:Warming humidification There are two power contacts on the upper surface of cup 5, circuit is equipped with air passage block 4 and connects sheet metal, the lower face of air passage block 4 with Circuit connects two make contacts of sheet metal connection, and the position of two make contacts is corresponding with two power contact positions;Heat wet When changing cup 5 and sealed air passage block 4, each power contact is contacted with corresponding make contact, the heater circuit of warming humidification cup 5 Connect.After the completion of warming humidification cup 5 and air passage block 4 assemble, two power contacts on warming humidification cup 5 connect with corresponding Logical contact, the heater circuit in warming humidification cup 5 are connected, and heating function automatically turns on, and gas is heated;Work as heating Humidifying cup 5 from air passage block 4 remove when, the power contact and make contact on warming humidification cup 5 are contactless, and heater circuit disconnects, Heating function is automatically closed.Therefore it is more convenient without manual operation heating function, application.
The operation principle of this warming humidification system is described below in conjunction with Fig. 3~Fig. 6:
When warming humidification cup 5 is installed on air passage block 4 from back to front along the groove of 4 bottom of air passage block, warming humidification cup 5 Front end promotes push rod 20 to move forward, and drives baffle 1 and sliding sleeve 1 to be moved to air passage block front end, linkage mechanism action, band Dynamic sliding sleeve 2 26 is moved with baffle 2 25 to air passage block rear end, after the completion of assembling, opens flow regulator 3, at this time sliding sleeve one 15th, sliding sleeve 2 26 is located at both ends, the former drying gas outlet 21 blocked by baffle 1, baffle 2 25,23 quilt of humidified gas entrance Open, while the power contact on warming humidification cup 5 is respectively turned on the make contact on air passage block 4, so that from air inlet The 13 cold dry gas entered in the entrance warming humidification of drying gas outlet 21 cup 5 through being heated, humidifying, the gas after warming humidification Discharged from the gas outlet 27 of air passage block 4, and the air-breathing by being filled on air passage block 4 meets the breathing circuit that mouth 10 is passed through patient, such as Fig. 3 Shown in~Fig. 4, the direction of arrow in Fig. 3 is gas flow direction.
Patient is opened lock 11, hand-held handle 12 when band machine, warming humidification cup 5 need the periodic cleaning to sterilize for a long time By warming humidification cup 5, (i.e. air passage block rear end) quickly pulls, removes warming humidification cup 5 backward.Removing warming humidification cup 5 During, resetting spring 16 resets under the effect of its own elastic force and promotes sliding sleeve 1 and baffle 1 is into air passage block 4 Portion moves, while linkage mechanism acts, and drives sliding sleeve 2 26, baffle 2 25 to be moved to the movement of the middle part of air passage block 4, last two sliding sleeve To the middle part of air passage block 4, at this time, baffle 1, baffle 2 25 block drying gas outlet 21, humidified gas entrance 23 respectively, at the same time Venthole of the sealing plate 14 away from respective side on two sliding sleeves, the blow vent of 22 both sides of inner cavity are opened, air inlet 13 and gas outlet 27 are connected by inner cavity 22, and as shown in figures 5 and 6, the direction of arrow in Fig. 5 is gas flow direction.So wet to heating When change cup 5 carries out cleaning disinfection, the normal ventilation of warming humidification system is not influenced, it is ensured that eupnea supplies, and ensures patient's Safety.
In practical operation, more also pay particular attention to:, be first with sterile after the cleaning disinfection of warming humidification cup 5 The outer surface wiped clean of warming humidification cup 5, the power contact of particularly 5 upper end of warming humidification cup are had to wipe by hospital gauze It is dry, in order to avoid being contacted on power contact with water with the make contact on air passage block 4 and even electrical phenomena occur, burn warming humidification cup 5 The polyimide heater film 24 of bottom, or even burn whole warming humidification system.

Claims (10)

  1. A kind of 1. warming humidification system, it is characterised in that:Including air passage block (4) and warming humidification cup (5);
    The open topped of warming humidification cup (5), it is located at below air passage block (4) and is slidably matched with air passage block (4), the two assembling Fastened afterwards by latching (11);
    Air passage block (4) is equipped with air inlet (13) and gas outlet (27), its bottom is equipped with drying gas outlet (21) and humidified gas Entrance (23);There is liquid feeding passage, liquid feeding passage longitudinally runs through air passage block (4), the liquid feeding end peace of liquid feeding passage in air passage block (4) Fill sealing-plug (6);Guiding axis (18) and an inner cavity (22) are equipped with air passage block (4), the both sides of inner cavity (22) have venthole, lead Sliding sleeve one (15) and sliding sleeve two (26) are successively set with to axis (18), two sliding sleeves can be moved back and forth along guiding axis (18) and the two Opposite direction occurs by linkage mechanism to move, the opposite one end of two sliding sleeves is equipped with sealing plate (14), and two sealing plates (14) are located at inner cavity (22) in and for opening and closing the venthole of respective side;It is fixed for blocking the baffle one of drying gas outlet (21) on sliding sleeve one (15) (19), it is fixed for blocking the baffle two (25) of humidified gas entrance (23), baffle one (19), baffle two on sliding sleeve two (26) (25) in air passage block (4), corresponding baffle one (19) or baffle two (25) are equipped with impeller;
    When warming humidification cup (5) and sealed air passage block (4), sliding sleeve one (15), sliding sleeve two (26) are located at both ends, two sealing plates (14) envelope The venthole of respective side is closed, air inlet (13) is communicated with drying gas outlet (21), gas outlet (27) and humidified gas entrance (23) Communicate;When warming humidification cup (5) is removed, sliding sleeve one (15), sliding sleeve two (26) are located at middle part, the remote respective side of two sealing plates (14) Venthole, baffle one (19) closure drying gas outlet (21), baffle two (25) closure humidified gas entrance (23).
  2. 2. warming humidification system according to claim 1, it is characterised in that:The linkage mechanism includes three connecting rods, Connecting rod one (29), connecting rod two (30), connecting rod three (31) are sequentially hinged, and connecting rod one (29) is installed on positioning column (28) and around positioning Column (28) rotates, its outer end is hinged with baffle one (19), and the outer end of connecting rod three (31) is fixedly connected with baffle two (25).
  3. 3. warming humidification system according to claim 1, it is characterised in that:The impeller is a push rod (20), right Answer push rod (20) that pilot hole is set on air passage block (4), upper end and the baffle one (19) of push rod (20) are connected as one, lower end from It is pierced by pilot hole and on the outside of air passage block (4), push rod (20) can be moved back and forth along pilot hole.
  4. 4. warming humidification system according to claim 3, it is characterised in that:Installation resets bullet on the guiding axis (18) Spring (16), resetting spring (16) are located in front of sliding sleeve one (15);When warming humidification cup (5) and sealed air passage block (4), warming humidification The front end of cup (5) pushes against push rod (20), and sliding sleeve one (15) pressed home spring (16).
  5. 5. warming humidification system according to claim 1, it is characterised in that:The bottom of the air passage block (4) is equipped with interior Recessed guide groove, warming humidification cup (5) upper end are located in guide groove and can be moved back and forth along guide groove.
  6. 6. according to any warming humidification system in Claims 1 to 5, it is characterised in that:In the gas outlet (27) Temperature Humidity Sensor (9) is installed.
  7. 7. warming humidification system according to claim 6, it is characterised in that:It is equipped with above air passage block (4) and contains humidifying water Dropping bottle (1) or drip bag, dropping bottle (1) or drip bag connection infusion pipeline (2), infusion pipeline are provided with stream on (2) Adjuster (3) is measured, infusion pipeline (2) passes through the sealing-plug (6) of liquid feeding passage liquid feeding end and stretches into liquid feeding passage.
  8. 8. warming humidification system according to claim 7, it is characterised in that:Pressing plate (7), pressure are set above sealing-plug (6) Plate (7) is fixed by fastener (8) and air passage block (4).
  9. 9. according to the warming humidification system described in claim 1,2,3,4,5,7 or 8, it is characterised in that:Warming humidification cup (5) is adopted Heated with polyimide heater film (24), polyimide heater film (24) is arranged in the bottom of a cup of warming humidification cup (5) or side In wall.
  10. 10. according to the warming humidification system described in claim 1,2,3,4,5,7 or 8, it is characterised in that:Warming humidification cup (5) Upper surface on there are two power contacts, circuit is equipped with air passage block (4) and connects sheet metal, the lower face of air passage block (4) has Two make contacts being connected with circuit connection sheet metal, the position of two make contacts are corresponding with two power contact positions;Heating When humidifying cup (5) and sealed air passage block (4), each power contact is contacted with corresponding make contact, warming humidification cup (5) Heater circuit is connected.
CN201711294230.3A 2017-12-08 2017-12-08 Warming humidification system Withdrawn CN107929910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711294230.3A CN107929910A (en) 2017-12-08 2017-12-08 Warming humidification system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711294230.3A CN107929910A (en) 2017-12-08 2017-12-08 Warming humidification system

Publications (1)

Publication Number Publication Date
CN107929910A true CN107929910A (en) 2018-04-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711294230.3A Withdrawn CN107929910A (en) 2017-12-08 2017-12-08 Warming humidification system

Country Status (1)

Country Link
CN (1) CN107929910A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114344662A (en) * 2021-12-27 2022-04-15 厦门康勃医疗科技有限公司 Humidifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114344662A (en) * 2021-12-27 2022-04-15 厦门康勃医疗科技有限公司 Humidifier

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