CN110279919A - Vertical reverse-filling sieve mesh type novel atomized device - Google Patents
Vertical reverse-filling sieve mesh type novel atomized device Download PDFInfo
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- CN110279919A CN110279919A CN201910680171.6A CN201910680171A CN110279919A CN 110279919 A CN110279919 A CN 110279919A CN 201910680171 A CN201910680171 A CN 201910680171A CN 110279919 A CN110279919 A CN 110279919A
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- interface
- connection
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- spray chamber
- lower cover
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- 239000007921 spray Substances 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 abstract description 24
- 239000012530 fluid Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 13
- 208000015181 infectious disease Diseases 0.000 abstract description 6
- 239000003814 drug Substances 0.000 description 26
- 229940079593 drug Drugs 0.000 description 19
- 239000007789 gas Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 10
- 239000008187 granular material Substances 0.000 description 7
- 239000003595 mist Substances 0.000 description 5
- 206010011224 Cough Diseases 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000028327 secretion Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 3
- 206010035664 Pneumonia Diseases 0.000 description 2
- 208000009470 Ventilator-Associated Pneumonia Diseases 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 206010042566 Superinfection Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001989 nasopharynx Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
- A61M11/001—Particle size control
-
- 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
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
- A61M11/02—Sprayers or atomisers specially adapted for therapeutic purposes operated by air or other gas pressure applied to the liquid or other product to be sprayed or atomised
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/24—Check- or non-return valves
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Special Spraying Apparatus (AREA)
- Nozzles (AREA)
Abstract
The present invention relates to a kind of vertical reverse-filling sieve mesh type novel atomized devices, including top connection, upper connector, check valve, center tap, lower contact, arc adapter tube, spray chamber, feeding device, lower cover, inlet suction port, air inlet pipe and clump weight, top connection is T-type three-way connection, interface and a vertical interface including two horizontal connections, two interfaces of the horizontal connection of top connection are separately connected ventilator and artificial airway, the vertical orifice upper connector of top connection, the vertical interface of the upper end connection top connection of upper connector, the lower end of upper connector connects center tap, check valve is provided in upper connector, check valve can prevent from flowing backward in pipeline, infection occurrence probability can effectively be reduced, rotary connection structure is arranged in atomizer upper end, counterweight is arranged in atomizer lower end, guarantee atomizer when patient body position changes Always it is in plumbness, guarantees that atomization medical fluid is in the lowest order of atomizer always, reduces liquor residue, guarantee atomizing effect.
Description
Technical field:
The invention belongs to medical auxiliary apparatus technical fields, and in particular to hanging down when a kind of ventilator auxiliary patient's nebulae inhalation
Straight reverse-filling sieve mesh type novel atomized device.
Background technique:
At present in clinic, especially intensive care unit, help the occasion of patient respiratory more and more using ventilator, in addition to auxiliary
Help breathing outer, ventilator can be also used for the nebulae inhalation of medicament.Many special pulmonary infections are other than intravenous administration, Hai Xuyong
The mode of local Neulized inhalation is treated, because local Neulized inhalation eliminating the phlegm Arterial blood gas is preferable.
Currently, usually setting T-type three-way connection, T-type three connect when clinically carrying out nebulae inhalation to ventilator patient
Two of the horizontal connection of head connect first by piping connection ventilator, another passes through piping connection artificial airway or face
Cover, forms air-breathing loop, another connector of T-type three-way connection connects atomizer and utilizes in atomizer after injection atomization medicine
Pressed gas atomization medicine, the drug after atomization enter air-breathing loop, and using jet current principle, the oxygen in air-breathing loop carries mist
Chemical drug object enters patient lungs, carries out nebulae inhalation to patient.
Such nebulae inhalation method has the following problems in clinical use:
(1) condensed water, the patient airway cough secretion that generate in pipeline during being atomized etc. are easy to be flowed backward into atomizer, and medicine is caused
Object pollution wastes drug, meanwhile, if flowing backward the substance entered in atomizer can not clear up in time, form Bacteria Culture
Base, bacterium easy to breed increase infection risk, and the bacterium of growth can enter patients with respiratory tract with atomization next time, draw when serious
It rises Ventilator Associated Pneumonia (VAP), increases the hospital stays, increase patient's financial difficulties, increase the death rate.
(2) semireclining position is generally used when patient is atomized, but patients with mechanical ventilation does not reach requirement more because the state of an illness is critical, Chang Cai
With clinostatism, 30 degree of seats, lateral positions etc., when patient body position does not reach requirement or patient body position changes, mist is easily caused
Change the inclination of device, and the pressed gas used when its atomization of existing atomizer usually enters from the lower end of atomizer, atomizer
Once tilting, the medical fluid liquid level run-off the straight in atomizer causes position medical fluid that cannot sufficiently be atomized, part liquor residue is in mist
Change in device, cannot make full use of, cause liquid waste, while influencing therapeutic effect.
(3) existing atomizer, pressurized gas line are connect with atomizer lower end, pressed gas from the lower end of atomizer into
Enter, be easy to cause the extruding of pressurized gas line, influences the pressure and flow of the gas entered in atomizer, lead to atomizing effect
It is deteriorated.
(4) when carrying out nebulae inhalation to patient, to improve atomizing effect, several drugs combined atomizing is mostly used, still,
Various drugs will be separated from each other, and cannot simultaneously be caused the several drugs atomization that is mixed not in order to avoid reacting between drug
Good reaction.Existing atomizer, when each dosing, require to dismantle the medicine glass of atomizer, cumbersome, time-consuming and laborious, also increase
Drug and the contaminated probability of atomizer.
(5) common atomizer clinical at present, drug granule is big after atomization, and most atomization medicine particles sink to the position of nasopharynx larynx
It sets, and does not enter patient lungs, therefore, atomizing effect is poor, and the effect for the treatment of is not achieved.
Summary of the invention:
In conclusion the present invention provides a kind of vertical reverse-filling sieve mesh type is novel in order to overcome the shortcomings of prior art problem
Atomising device, it be add check valve between T-type three-way connection and atomizer, thus prevent the condensed water generated in pipeline,
Patient airway cough secretion etc. flows backward, and can effectively reduce infection occurrence probability, and the setting rotation connection of atomizer upper end is tied
Counterweight is arranged in structure, atomizer lower end, to guarantee that atomizer is in plumbness always, guarantees when patient body position changes
Atomization medical fluid is in the lowest order of atomizer always, to reduce liquor residue, guarantees atomizing effect.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of vertical reverse-filling sieve mesh type novel atomized device, in which: including top connection, upper connector, check valve, center tap,
Lower contact, arc adapter tube, spray chamber, feeding device, lower cover, inlet suction port, air inlet pipe and clump weight, the top connection are
T-type three-way connection, interface and a vertical interface including two horizontal connections, two of the horizontal connection of the top connection
Interface is separately connected ventilator and artificial airway, the vertical orifice upper connector of the top connection, the upper connection
The vertical interface of the upper end connection top connection of pipe, the lower end of upper connector connects center tap, is provided in the upper connector
Check valve, the center tap are T-type three-way connection, and interface and a vertical interface including two horizontal connections are described
The vertical interface of center tap is rotatable interface, and the vertical interface of center tap is mutually rotatablely connected with upper connector, the two of center tap
The connector of a horizontal connection takes over connection lower contact by arc respectively, and the lower contact is T-type three-way connection, including two
The interface of the interface and a vertical interface of level connection, the horizontal connection of two of lower contact is rotatable interface, is connect under described
The interface of the horizontal connection of two of head takes over mutually rotation connection with arc respectively, and the vertical interface and upper end cover of lower contact fasten
Connection, and be connected to spray chamber inner cavity, the upper end cover is threaded in the upper end of spray chamber, the lower end of the spray chamber
It removably is connected with lower cover, the hollow end socket that cross sectional shape is V-type is provided in the lower cover, the end socket
Lower end is provided with inlet suction port, and inlet suction port is located in lower cover, and inlet suction port connects pressure gas source by air inlet pipe, described
The lower part of lower cover is provided with clump weight, and the side of the spray chamber is provided with feeding device.
Technical solution of the present invention may also is that realization: be provided with branch in the upper inside wall of the spray chamber
Bracer, the lower end of the upper supporting block support filter plate, the filter plate are fitted in upper supporting block by upper end cover.
Technical solution of the present invention may also is that realization: the diameter of the filter hole on the filter plate is 2 ~ 5 micro-
Rice.
Technical solution of the present invention may also is that realization: lower support is provided on the inner wall of the lower cover
Block, the lower supporting block support end socket, and the end socket is fitted in lower supporting block by spray chamber, and the end socket is under
Lower seal is provided between the inner wall of end cap.
Technical solution of the present invention may also is that realization: on the outer wall of the spray chamber and the outer wall of lower cover
On be provided with pipe support, be provided with open-work on the side wall of the lower cover, one end of the air inlet pipe passes through open-work and position
In the inlet suction port connection in lower cover, the other end of the air inlet pipe is connected to pressure gas source, and the pipe support is clamped air inlet
Pipe.
Technical solution of the present invention may also is that realization: the feeding device includes inlet tube, piston device, close
Seal, spring and spring base, the inlet tube include that large diameter pipe figure and minor diameter nozzle section, one end of nozzle section are used for
Syringe is connected, the other end of nozzle section and the threaded one end of pipe shaft section are fastenedly connected, the other end and mist of the pipe shaft section
Change room connection, and be connected to the inner cavity of spray chamber, spring base is provided in the pipe shaft section, the spring base includes one knot
The pipe shaft section of the seat board and traveller of structure, the seat board and inlet tube connects, and the traveller is installed on the interior intracavitary of piston device,
The piston device be it is open at one end, the other end silent tubular structure is provided with bullet between the inner bottom surface and seat board of piston device
Spring, for spring pocket outside traveller, the outer diameter of the piston device is greater than the outer diameter of the nozzle section of inlet tube, the closed end of piston device
It is provided with sealing ring between nozzle section, is provided with open-work on the seat board of the spring base.
Technical solution of the present invention may also is that realization: be provided with throttling in the pipe shaft section of the inlet tube
Valve, the throttle valve is arranged close to spray chamber, forms liquid storage chamber between the throttle valve and the nozzle section of inlet tube.
Technical solution of the present invention may also is that realization: air inlet is provided in the inlet suction port, it is described
Air inlet be upper end diameter it is small, the big bellmouth of lower end diameter.
The invention has the benefit that
1, the present invention be add check valve between T-type three-way connection and atomizer, thus prevent the condensed water generated in pipeline,
Patient airway cough secretion etc. flows backward, and can effectively reduce infection occurrence probability, and the setting rotation connection of atomizer upper end is tied
Counterweight is arranged in structure, atomizer lower end, to guarantee that atomizer is in plumbness always, guarantees when patient body position changes
Atomization medical fluid is in the lowest order of atomizer always, to reduce liquor residue, guarantees atomizing effect.
2, the vertical interface of center tap of the invention is rotatable interface, and the vertical interface of center tap mutually turns with upper connector
Dynamic connection, then, upper connector of the invention component below can be using upper connector as axis, and level circumferentially rotates, similarly, this hair
The interface of two of bright lower contact horizontal connections is rotatable interface, the interface of the horizontal connection of two of lower contact respectively with arc
Connecting tube is mutually rotatablely connected, then, lower contact of the invention and its component below can be with two of lower contact horizontal connections
Interface be axis, circumferentially rotate vertically, the level at center tap position is circumferentially rotated vertically to be circumferentially rotated with lower contact position, real
Multidirectional rotation of existing atomizer, to remain that spray chamber of the invention is in perpendicular when patient body position changes
Straight state is always positioned in the v-shaped cavity of end socket to make to be atomized indoor medical fluid, guarantees that atomization medical fluid is in spray chamber always
Lowest order guarantees atomizing effect to reduce liquor residue.
3, the lower end of spray chamber of the invention is removably connected with lower cover, and end socket and inlet suction port of the invention is equal
In lower cover, then when spray chamber of the invention is located at plumbness and spray chamber lower end is contacted with hospital bed or other things
When, lower cover can form the air inlet pipe of spray chamber lower end and protect, and avoid squeezing air inlet pipe, to guarantee pressure gas when atomization
The pressure and flow of body avoid influencing atomization quality because air inlet pipe squeezes.
4, the setting of filter plate of the invention can be filtered the drug granule after atomization, and particle is less than 2 ~ 5 microns
Drug granule can enter patient's body and treat to patient, and after the drug of bulky grain is stopped by filter plate, sedimentation is fallen into again
End socket it is interior intracavitary, be atomized again by pressed gas, filter plate setting guarantee enter patient's body atomization drug granule it is enough
Small, small drug granule is finer and smoother, is easy to enter patient lungs with air-breathing loop, is conducive to the absorption of drug, to guarantee
Nebulae inhalation effect.
5, the upper end cover and lower cover of spray chamber upper end of the invention are all made of dismountable connection type, upper end cover disassembly
Afterwards, filter plate can be cleared up or is backwashed, filter plate is avoided to block, guarantee that atomization quality can be to end socket after lower cover disassembly
And spray chamber inner cavity is cleared up or is rinsed, to guarantee atomization cleaning, reduces pollution, reduces the probability that infection occurs.
6, feeding device of the invention pushes piston using the thrust of medical fluid by syringe liquid medicine injection into inlet tube
Device compressed spring, then inlet tube is opened, and medical fluid can smoothly enter into inlet tube, under the action of the spring, living after the completion of medical fluid is injected
Plug, which is thought highly of, newly closes the nozzle section of inlet tube, reduces pollution and enters in inlet tube, the setting of throttle valve on inlet tube can limit
System enters the flow of the medical fluid of spray chamber, and medical fluid gradually enters spray chamber with small flow, the drug granule after capable of making atomization
More tiny, atomization is thorough, to guarantee the effect of nebulae inhalation.
7, the configuration of the present invention is simple, easy to use, cost is low, has a wide range of application, can be effectively solved ventilator
When helping patient respiratory, the reverse irrigation of the pollutants such as superinfection existing for nebulae inhalation, condensed water or patient's cough secretion is protected
Demonstrate,prove the effect of nebulae inhalation.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of feeding device of the invention.
Specific embodiment:
The present invention is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of vertical reverse-filling sieve mesh type novel atomized device, including it is top connection 1, upper connector 2, unidirectional
Valve 3, center tap 4, lower contact 5, arc adapter tube 6, spray chamber 7, feeding device 8, lower cover 11, inlet suction port 12, air inlet pipe 13
And clump weight 14, the top connection 1 are T-type three-way connection, interface and a vertical interface including two horizontal connections, institute
Two interfaces of the horizontal connection for the top connection 1 stated are separately connected ventilator and artificial airway, and the top connection 1 connects vertically
Mouth connection upper connector 2, the vertical interface of the upper end connection top connection 1 of the upper connector 2, the lower end of upper connector 2 connects
Center tap 4 is connect, is provided with check valve 3 in the upper connector 2, the center tap 4 is T-type three-way connection, including two
The interface and a vertical interface of level connection, the vertical interface of the center tap 4 are rotatable interface, center tap 4 it is vertical
Interface and upper connector 2 are mutually rotatablely connected, and the connector of the horizontal connection of two of center tap 4 is connected by arc adapter tube 6 respectively
Lower contact 5, the lower contact 5 are T-type three-way connection, interfaces and a vertical interface including two horizontal connections, under connect
The interface of two of first 5 horizontal connections is rotatable interface, the interface of the horizontal connection of two of the lower contact 5 respectively with arc
Adapter tube 6 is mutually rotatablely connected, and vertical interface and the upper end cover 10 of lower contact 5 are fastenedly connected, and are connected to 7 inner cavity of spray chamber, institute
The upper end cover 10 stated is threaded in the upper end of spray chamber 7, is provided with supporting block in the upper inside wall of the spray chamber 7
16, the upper supporting block 16 supports the lower end of filter plate 17, and the filter plate 17 is fitted in supporting block 16 by upper end cover 10
On, the diameter of the filter hole on the filter plate 17 is 2 ~ 5 microns.The lower end of the spray chamber 7 is removably connected with down
End cap 11, is provided with the hollow end socket 15 that cross sectional shape is V-type in the lower cover 11, on the inner wall of the lower cover 11
It is provided with lower supporting block 18, the lower supporting block 18 supports end socket 15, and the end socket 15 is fitted in lower branch by spray chamber 7
On bracer 18, lower seal 83, the lower end of the end socket 15 are provided between the end socket 15 and the inner wall of lower cover 11
It is provided with inlet suction port 12, inlet suction port 12 is located in lower cover 11, and inlet suction port 12 connects pressure gas source by air inlet pipe 13,
Air inlet 9 is provided in the inlet suction port 12, the air inlet 9 is that upper end diameter is small, the big bellmouth of lower end diameter.
Pipe support 19 is provided on the outer wall of the spray chamber 7 and on the outer wall of lower cover 11, on the side wall of the lower cover 11
It is provided with open-work, one end of the air inlet pipe 13 passes through open-work and is connected to the inlet suction port 12 being located in lower cover 11, described
The other end of air inlet pipe 13 be connected to pressure gas source, the pipe support 19 is clamped air inlet pipe 13.The lower part of the lower cover 11
It is provided with clump weight 14, the side of the spray chamber 7 is provided with feeding device 8.
As shown in Fig. 2, the feeding device 8 includes inlet tube 81, piston device 82, sealing ring 83, spring 84 and spring
Seat 85, the inlet tube 81 include large diameter pipe figure 812 and minor diameter nozzle section 811, and one end of nozzle section 811 is for connecting
Connect syringe, the other end of nozzle section 811 and the threaded one end of pipe shaft section 812 are fastenedly connected, the pipe shaft section 812 it is another
End is connect with spray chamber 7, and is connected to the inner cavity of spray chamber 7, and spring base 85, the bullet are provided in the pipe shaft section 812
Spring abutment 85 includes the seat board and traveller of integral structure, and the seat board is connect with the pipe shaft section 812 of inlet tube 81, the traveller
It is installed on the interior intracavitary of piston device 82, the piston device 82 is open at one end, the silent tubular structure of the other end, piston device 82
Inner bottom surface and seat board between be provided with spring 84, spring 84 is sleeved on outside traveller, the outer diameter of the piston device 82 be greater than into
The outer diameter of the nozzle section 811 of liquid pipe 81 is provided with sealing ring 83 between the closed end and nozzle section 811 of piston device 82, described
Open-work is provided on the seat board of spring base 85.Throttle valve 86, the section are provided in the pipe shaft section 812 of the inlet tube 81
It flows valve 86 to arrange close to spray chamber 7, forms liquid storage chamber between the throttle valve 86 and the nozzle section 811 of inlet tube 81.
In use, the interface of two of top connection 1 horizontal connections is connect with ventilator and mask respectively, by air inlet pipe 13
It connect, the syringe equipped with atomization medical fluid is connect with the nozzle section 811 of inlet tube 81, later operation injection with pressure gas source
Device injects atomization medical fluid into inlet tube 81, and under the action of thrust, atomization medical fluid pushes 82 compressed spring 84 of piston device, from
And inlet tube 81 is opened, medical fluid enters in inlet tube 81, after injecting, removes syringe, work of the piston device 82 in spring 84
With lower reset, the nozzle section 811 of inlet tube 81 is sealed, atomization medical fluid enters in spray chamber 7 along inlet tube 81, into spray chamber
Interior intracavitary, the starting pressure gas source of the end socket 15 of 7 lower ends, under the action of pressed gas, intracavitary medical liquid atomizing in end socket 15,
Medical liquid atomizing is nebulized small drug granule, and microscopic drug particles are under the action of pressed gas along spray chamber 7 to upstream
Dynamic, after the filtering of filter plate 17, microscopic drug particles enter lower contact 5, later along the interface point of two horizontal connections of lower contact 5
Do not flow to two arc adapter tubes 6, arcuately adapter tube 6 flows up, into center tap 4, later along the vertical interface of center tap 4 to
It is upper to enter upper connector 2, top connection 1 is finally entered, under jet current principle effect, enters patient's body with patient breaths circuit,
Nebulae inhalation is carried out to patient.
When patient body position changes, angle occurs with the variation of patient body position for top connection 1 or/and position becomes
Change, upper connector 2 are variation with the variation of top connection 1, and since the vertical interface of center tap 4 is rotatable interface, center tap 4 is erected
Direct mouth and upper connector 2 are mutually rotatablely connected, then when the angle of upper connector 2 changes, upper connector 2 is with center tap 4
Vertical interface horizontally rotate for axis, to keep center tap 4 and its following component angles constant, two levels of lower contact 5
The interface of connection is rotatable interface, and the interface of the horizontal connection of two of lower contact 5 is mutually rotatablely connected with arc adapter tube 6 respectively,
Lower contact 5 and its component below can circumferentially rotate vertically, upper company using the interface of two of lower contact 5 horizontal connections as axis
The level of adapter tube 2 and center tap 4 circumferentially rotates and lower contact 5 and arc adapter tube 6 vertically circumferentially rotate, at the same with clump weight 14
It cooperates, to be able to maintain spray chamber 7 always in plumbness, to make mist when patient body position changes
The medical fluid changed in room 7 is always positioned in the v-shaped cavity of end socket 15, guarantees that atomization medical fluid is in the lowest order of spray chamber 7 always, thus
Liquor residue is reduced, guarantees atomizing effect.
Upper end cover 10 of the invention is detachably connected with spray chamber 7, and lower cover 11 is detachably connected with 7 lower end of spray chamber,
It then, can be by the cleaning and sterilizing of the components such as end cap 11 and spray chamber 7, filter plate 17 and end socket 15 above and below dismantling, to reduce sense
Contaminate occurrence frequency.
It is noted that above-described embodiment is to the illustrative and not limiting of technical solution of the present invention, technical field is general
The equivalent replacement of logical technical staff or the other modifications made according to the prior art, as long as not beyond technical solution of the present invention
Thinking and range should be included within interest field of the presently claimed invention.
Claims (8)
1. a kind of vertical reverse-filling sieve mesh type novel atomized device, it is characterised in that: including top connection (1), upper connector (2),
Check valve (3), center tap (4), lower contact (5), arc adapter tube (6), spray chamber (7), feeding device (8), lower cover (11), into
Gas connector (12), air inlet pipe (13) and clump weight (14), the top connection (1) is T-type three-way connection, including two levels are even
Two interfaces of logical interface and a vertical interface, the horizontal connection of the top connection (1) are separately connected ventilator and people
Work air flue, the vertical orifice upper connector (2) of the top connection (1), the upper end of the upper connector (2) connect
The lower end of the vertical interface of connector (1), upper connector (2) connects center tap (4), is provided with list in the upper connector (2)
To valve (3), the center tap (4) is T-type three-way connection, interface and a vertical interface including two horizontal connections, institute
The vertical interface for the center tap (4) stated is rotatable interface, and the vertical interface of center tap (4) and upper connector (2) mutually rotation connect
It connects, the connector of the horizontal connection of two of center tap (4) passes through arc adapter tube (6) connection lower contact (5), the lower contact respectively
It (5) is T-type three-way connection, interface and a vertical interface including two horizontal connections, the horizontal connection of two of lower contact (5)
Interface be rotatable interface, the interface of two of the lower contact (5) horizontal connections is mutually rotated with arc adapter tube (6) respectively
Connection, vertical interface and the upper end cover (10) of lower contact (5) are fastenedly connected, and are connected to spray chamber (7) inner cavity, the upper end
Lid (10) is threaded in the upper end of spray chamber (7), and the lower end of the spray chamber (7) is removably connected with lower cover
(11), the hollow end socket (15) that cross sectional shape is V-type, the lower end of the end socket (15) are provided in the lower cover (11)
It is provided with inlet suction port (12), inlet suction port (12) is located in lower cover (11), and inlet suction port (12) is connected by air inlet pipe (13)
Pressure gas source is connect, the lower part of the lower cover (11) is provided with clump weight (14), and the side of the spray chamber (7) is provided with
Feeding device (8).
2. vertical reverse-filling sieve mesh type novel atomized device according to claim 1, it is characterised in that: the spray chamber
(7) it is provided in upper inside wall supporting block (16), the lower end of upper supporting block (16) support filter plate (17) is described
Filter plate (17) is fitted on supporting block (16) by upper end cover (10).
3. vertical reverse-filling sieve mesh type novel atomized device according to claim 2, it is characterised in that: the filter plate
(17) diameter of the filter hole on is 2 ~ 5 microns.
4. vertical reverse-filling sieve mesh type novel atomized device according to claim 1, it is characterised in that: the lower cover
(11) it is provided on inner wall lower supporting block (18), the lower supporting block (18) supports end socket (15), the end socket (15)
It is fitted on lower supporting block (18) by spray chamber (7), is provided between the end socket (15) and the inner wall of lower cover (11)
Lower seal (83).
5. vertical reverse-filling sieve mesh type novel atomized device according to claim 1, it is characterised in that: the spray chamber
(7) it is provided with pipe support (19) on outer wall and on the outer wall of lower cover (11), is arranged on the side wall of the lower cover (11)
There is open-work, one end of the air inlet pipe (13) passes through open-work and is connected to the inlet suction port (12) being located in lower cover (11), institute
The other end for the air inlet pipe (13) stated is connected to pressure gas source, and the pipe support (19) is clamped air inlet pipe (13).
6. vertical reverse-filling sieve mesh type novel atomized device according to claim 1, it is characterised in that: the feed liquor dress
Setting (8) includes inlet tube (81), piston device (82), sealing ring (83), spring (84) and spring base (85), the inlet tube
It (81) include large diameter pipe figure (812) and minor diameter nozzle section (811), one end of nozzle section (811) is used to connect syringe,
The other end of nozzle section (811) and the threaded one end of pipe shaft section (812) are fastenedly connected, the other end of the pipe shaft section (812)
It is connect with spray chamber (7), and is connected to the inner cavity of spray chamber (7), be provided with spring base (85), institute in the pipe shaft section (812)
The spring base (85) stated includes the seat board and traveller of integral structure, and the seat board and the pipe shaft section (812) of inlet tube (81) connect
Connect, the traveller is installed on the interior intracavitary of piston device (82), the piston device (82) be it is open at one end, the other end is silent
Tubular structure is provided with spring (84) between the inner bottom surface and seat board of piston device (82), and spring (84) is sleeved on outside traveller, described
Piston device (82) outer diameter be greater than inlet tube (81) nozzle section (811) outer diameter, the closed end and nozzle of piston device (82)
It is provided with sealing ring (83) between section (811), is provided with open-work on the seat board of the spring base (85).
7. vertical reverse-filling sieve mesh type novel atomized device according to claim 6, it is characterised in that: the inlet tube
(81) it is provided with throttle valve (86) in pipe shaft section (812), the throttle valve (86) is arranged close to spray chamber (7), described
Liquid storage chamber is formed between throttle valve (86) and the nozzle section (811) of inlet tube (81).
8. vertical reverse-filling sieve mesh type novel atomized device according to claim 1, it is characterised in that: the air inlet connecting
It is provided with air inlet (9) in head (12), the air inlet (9) is that upper end diameter is small, the big bellmouth of lower end diameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910680171.6A CN110279919B (en) | 2019-07-26 | 2019-07-26 | Vertical backflow-preventing sieve-hole type atomizing device |
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| CN201910680171.6A CN110279919B (en) | 2019-07-26 | 2019-07-26 | Vertical backflow-preventing sieve-hole type atomizing device |
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| CN110279919B CN110279919B (en) | 2021-09-14 |
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| CN110279919B (en) | 2021-09-14 |
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