CN208405633U - A kind of medical mouth nasal aerosol delivery device - Google Patents
A kind of medical mouth nasal aerosol delivery device Download PDFInfo
- Publication number
- CN208405633U CN208405633U CN201820062767.0U CN201820062767U CN208405633U CN 208405633 U CN208405633 U CN 208405633U CN 201820062767 U CN201820062767 U CN 201820062767U CN 208405633 U CN208405633 U CN 208405633U
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- China
- Prior art keywords
- air inlet
- medicinal cupping
- delivery device
- positioning
- edge
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Abstract
The utility model discloses a kind of medical mouth nasal aerosol delivery devices, including collection medicinal cupping, the suction nozzle of the collection medicinal cupping upper end are arranged in and the air inlet seat of the collection medicinal cupping bottom end is arranged in；The lower end of suction nozzle is equipped with edge, forms one to medicine cavity with the collection medicinal cupping top；A check valve is equipped between medicine cavity and the collection medicinal cupping in described give；The check valve includes an interior air inlet enclosed in a ring and a feather valve film；A downward arc-shaped flow-guiding surface to central reduction is equipped in the centre that the interior air inlet encloses；The air inlet seat be equipped with aerosol interface and it is multiple be in circumferentially uniformly distributed airflow channel；The airflow channel helically extends.The technical solution is by more reasonable pneumatic structure, and while forming the quantitative sucking of drug, effective focus drug air-flow improves the utilization rate and accuracy rate of drug, ensured therapeutic effect.
Description
Technical field
The utility model relates to a kind of therapeutic administration devices, more particularly to a kind of mouth and nose gas of auxiliary medical aerosol
Mist agent drug delivery device.
Background technique
Aerosol means that drug containing, lotion or suspension and suitable propellant are filled jointly and be encapsulated in special valve system
In pressure vessel, content object fog-like is sprayed by the pressure of propellant when use, suck for lung or be directly sprayed onto
The preparation of cavity mucous membrane, skin and space disinfection.But quantitative aerosol is used alone to come with some shortcomings, such as using skill requirement
Height, adult correct usage is only 7 ~ 8% according to relevant statistics, even if proper use of, sucking dose also only has 10% or so, medicine
Amount deficiency affects the treatment, and also wastes drug.90% medicament residue often results in aphtha or sound in oral cavity and larynx when exclusive use
This is mute.Notification number is that the Chinese utility model patent of CN202036643 U discloses a kind of metered dose inhaler, including holding vessel,
Holding vessel top is provided with suction nozzle, is equipped with flap valve in suction nozzle, which is put together by the inclination of two panels soft plastic piece, this is soft
The breach that gas supply stream passes through is formed between matter sheet end, suction nozzle corresponding with the inclined surface of soft plastic piece side is provided with out
Port, this metered dose inhaler are equipped with flap valve in suction nozzle, can separate the air-flow of patient's air-breathing and expiration, when exhaling
Breach between soft plastic piece closes up, and air-flow does not enter in medicament storage tank, is discharged from gas outlet, improves the use of drug in this way
Rate reduces the waste of drug, ensures therapeutic effect.
Summary of the invention
One purpose of the utility model is to provide a kind of medical mouth nasal aerosol delivery device, passes through a collection medicinal cupping bottom
The air inlet holder structure of end setting improves, and the air-flow entered in collection medicinal cupping is made to generate rotation, to the aerosol medicament entered in collection medicinal cupping
It is effectively wrapped up, and at least the above ask is solved so that medicine gas-flow more boundling flows by more reasonable pneumatic structure
Topic and/or defect, and the advantages of at least will be described later, is provided.
The technical solution adopted in the utility model is: a kind of medical mouth nasal aerosol delivery device, including collection medicinal cupping, setting
In the suction nozzle for collecting medicinal cupping upper end and the air inlet seat for collecting medicinal cupping bottom end is set；The lower end of suction nozzle is equipped with edge, with institute
It states collection medicinal cupping top and forms one to medicine cavity；A check valve is equipped between medicine cavity and the collection medicinal cupping in described give；The air inlet seat
Equipped with aerosol interface and it is multiple be in circumferentially uniformly distributed airflow channel；The airflow channel helically extends.The technical solution
By more reasonable pneumatic structure, while forming the quantitative sucking of drug, effective focus drug air-flow improves drug
Utilization rate and accuracy rate, have ensured therapeutic effect.
In order to enable the air-flow for generating aggregation through helical duct effectively passes through the interior air inlet of check valve, the check valve packet
Include the interior air inlet and a feather valve film that one encloses in a ring；It is arc-shaped downwards that one is equipped in the centre that the interior air inlet encloses
To the flow-guiding surface of central reduction.
Specifically, the helical angle of the airflow channel is 10 ~ 45 degree.
For the reliability for keeping the air-flow of patient's air-breathing and expiration separated, it is effectively formed the quantitative sucking of drug, as excellent
Choosing, it is described that the interior gas outlet being in communication with the outside is equipped with to medicine cavity；The feather valve film is optional by being fixed with for the edge
It selects the first valve portion for covering the interior air inlet and the second valve portion for being covered on the interior gas outlet, first valve portion may be selected
The inner side and outer side to medicine cavity is respectively positioned in the second valve portion.
Specifically, the interior air inlet be in axially through；The interior air inlet is including by paracentral first bead and far
Excentric second bead；First valve portion extends from the edge and snaps into second bead.First valve portion from
The structure that extends to inner periphery of outer periphery of the interior air inlet of annular, so that when medicine gas-flow enters from the interior air inlet from the
Push the first valve portion at one bead open, and formed from interior air inlet to medicine cavity in the diminishing cone mouth that is open, medicine gas-flow at
Boundling enters patient's body, improves accuracy rate and utilization rate that drug reaches affected part.
Further, the interior gas outlet radially penetrates through；The interior gas outlet includes close to the of the interior air inlet
4th bead of three beads and the separate interior air inlet；Second valve portion extends from the edge and snaps into the described 4th
Bead.The closing reliability of second valve portion when structure effectively improves patient breaths, while also avoiding patient expiration's air-flow
It is straight-through outward, effectively reduce scattering and disappearing for drug.
In order to be covered on the second valve portion effectively on interior gas outlet to feather valve film progress effective position, preferably,
The edge is equipped with positioning column；The feather valve film is equipped with the positioning through hole of adaptation corresponding with the positioning column, described
The top for collecting medicinal cupping is equipped with the positioning counterbore of adaptation corresponding with the positioning column；The feather valve film is positioned by the positioning column
It is fixed between the edge and the top of the collection medicinal cupping.
Further, do not make the expiratory airflow of patient not will drive aerosol medication directly to spray, avoid influencing patient from
Body or other people, the suction nozzle is additionally provided with lateral wall, and the periphery of the lateral wall is equipped with outer gas corresponding with the interior gas outlet
Mouthful.
Technical solutions of the utility model beneficial effect is to be separately positioned on administration by lateral approach within a feather valve film
The interior gas outlet that chamber is in communication with the outside on the outside of medicine cavity and the inside to medicine cavity of interior air inlet that is connected to collection medicinal cupping,
A more reasonable one-way valve structures are formed, the air-flow of the air-breathing and expiration that make patient separates, and forms the quantitative sucking of drug
Effective focus drug air-flow simultaneously, improves the utilization rate and accuracy rate of drug, has ensured therapeutic effect.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of suction nozzle in the utility model；
Fig. 3 is the attachment structure schematic diagram of suction nozzle in the utility model, feather valve film sum aggregate medicinal cupping top.
Wherein: collection medicinal cupping 1, tank body 11, interior air inlet 12, the first bead 121, the second bead 122, guide face 13, positioning
Counterbore 14, card slot 15, annular convex platform 18, suction nozzle 2, suction inlet portion 21, inner sidewall 22, edge 221, positioning column 222, interior gas outlet
23, third bead 231, the 4th bead 232, to medicine cavity 24, lateral wall 25, outer port 251, buckle 252, air inlet seat 3, external admission
Mouth 31, airflow channel 33, helicoid 34, inner seat wall 35, feather valve film 4, the first valve portion 41, the second valve portion 42, is determined interface 32
Position through-hole 43, valve wall 44, mask 5.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model work is further specifically retouched
It states.It can be with it should be noted that under the premise of not colliding, between various embodiments described below or between each technical characteristic
Any combination forms new embodiment.
Referring to figure 1, figure 2 and figure 3, a kind of medical mouth nasal aerosol delivery device, including collection medicinal cupping 1, setting are in collection medicinal cupping 1
The suction nozzle 2 of upper end and the air inlet seat 3 that collection 1 bottom end of medicinal cupping is set.Interior air inlet 12 is equipped on 1 top of collection medicinal cupping.This it is interior into
The lattice-shaped of port 12 in a ring, in the present embodiment, by three sector opens, split forms the interior air inlet 12 in a ring, if
Have by paracentral first bead 121 and deep second bead 122.Middle section of 12 annular of interior air inlet from
Arc-shaped reduce to center extends downwards for lower end, and forming one has the bullet-shaped structure of guide face 13 in outer surface.The bullet
The guide face 13 of head effectively improves the flow velocity of air-flow, and the guidance quick boundling of air-flow enters from the interior air inlet 12.This it is interior into
122 outer periphery of the second bead of port 12 is equipped with an annular convex platform 18, is equipped on the top surface of annular convex platform 18 in circumferential uniformly distributed
Positioning counterbore 14.The suction nozzle 2 is equipped with a suction inlet portion 21 upwardly extended, and a mask 5 is plugged in suction inlet portion.In suction nozzle
It is equipped with the inner sidewall 22 extended downwardly below 2 and is positioned at the lateral wall 25 of the arc-shaped extension in 22 outside of inner sidewall.This is interior
The lower end of side wall 22 is equipped with edge 221, and being equipped in inner sidewall 22 close to edge 221 is in circumferentially uniformly distributed interior gas outlet 23.This is interior
Gas outlet 23 is equipped with the third bead 231 close to edge 221 and the 4th bead 232 far from edge.The suction nozzle 2 passes through inner sidewall
The edge 221 of 22 bottom end and the annular convex platform 16 on collection 1 top of medicinal cupping form one to medicine cavity 24.
A feather valve film 4 is equipped between the edge 221 and annular convex platform 18 of suction nozzle 2.The rounded gasket of feather valve film 4
Shape is equipped with through-hole corresponding with the first bead 121 in centre, formed between through-hole and edge one cover in air inlet 12 the
One valve portion 41.4 edge of feather valve film is in flip up to extend to form a valve wall 44, corresponds to interior gas outlet 23 again on the valve wall
Upwardly extend the second valve portion 42 to form gas outlet 23 in a covering.It is set in the annular location of valve wall in first valve portion 41
There is positioning through hole 43 corresponding with positioning counterbore 14.Positioning column 222 corresponding with positioning through hole 43 is equipped on edge 221.Cause
This, successively from the positioning column 222, to the positioning through hole 43 of feather valve film 4 and heavy to the positioning on collection medicinal cupping 1 again on edge 221
Hole 14, the suction nozzle 2 make feather valve film 4 be fixed on the top for collecting medicinal cupping 1.The positioning column 222, positioning through hole 43 and positioning counterbore 14
It is arranged with interior 23 circumferential misalignment of gas outlet.First valve portion 41 only extends from the second bead 122 of interior air inlet 12 is overlapped on first
On bead 121.The valve wall 44 of feather valve film 4 is adjacent in the outside of the inner sidewall 22 of suction nozzle 2, and the second valve portion 42 is covered from interior outlet
The third bead 231 of mouth 23, which only extends, to be overlapped on the 4th bead 232.That is, 4 a part of feather valve film is covered on interior air inlet
Mouth 12 is located to the one side of 24 inside of medicine cavity, and another part is covered on to the one side in 24 outside of medicine cavity.The check valve of the structure is set
Set so that the first valve portion 41 is opened at the first bead 121 from interior air inlet 14 under medicine gas-flow effect, formation it is upward to
Center concentrate air-flow introducing port, effectively by medicine gas-flow boundling be sent into patient airway, improve drug reach affected part accuracy and
Utilization rate.And the second valve portion 42 is opened at the 4th bead 232 in interior gas outlet 23, second valve when effectively improving patient breaths
The closing reliability in portion 42, while the outside straight-through of patient expiration's air-flow is also avoided, effectively reduce scattering and disappearing for drug.In this implementation
In example, which is three, and each gas outlet is made of two osculums in lattice-shaped, and is penetrated through to 221 direction of edge.
Its third bead 231 is actually the top of matched collection medicinal cupping 1.It is equipped on outer side wall 25 corresponding with interior gas outlet 23
Outer port 251.In the present embodiment, which is in the semicircle degree of lip-rounding.Therefore, in the present embodiment, the interior air inlet 12
In axially through the interior gas outlet 23 radially penetrates through.Also therefore, the second valve portion 42 of the feather valve film 4 in the present embodiment with
First valve portion 41, which sets up separately, sets in orthogonal both direction.But in other embodiments, the interior gas outlet 23 can also with it is interior
The perforation of air inlet 12 direction is consistent, in parallel arrangement up and down；Or it is in diameter that interior air inlet 12 is consistent with interior gas outlet 23 perforation direction
To inside and outside arrangement.Those skilled in the art on the basis of understanding the technical program interior air inlet 12 and interior gas outlet 23 it is mutual
Positional relationship can be there are many mode.
It is equipped in card slot 15 circumferentially, outside the bottom end of 2 lateral wall 25 of suction nozzle on the outer periphery on collection 1 top of medicinal cupping
Periphery is equipped with buckle 252 corresponding with the card slot 15.
Air inlet seat 3 is equipped in the bottom end of collection medicinal cupping 1.The air inlet seat 3 is equipped with the bottleneck pair with aerosol bottle in middle section
The interface 32 connect.It is equipped on the periphery of 3 bottom end of air inlet seat in circumferentially uniformly distributed external admission mouth 31 and is in by the external admission mouth 31
The airflow channel 33 that spiral extends into collection medicinal cupping 1.The airflow channel 33 extends and encloses including helicoid 34, into collection medicinal cupping 1
Close 35 sum aggregate medicinal cupping of inner seat wall, 1 side wall and 35 corresponding part of inner seat wall in interface 32 in collection medicinal cupping 1 outside extension.
The helical angle of the airflow channel 33 is 10 ~ 45 degree.As in preferred embodiment, which uses 25 degree or 35 degree.
In use, the bottleneck of aerosol bottle is inserted by patient from the interface of device bottom, mouth and nose are buckled in face by patient
In cover, aerosol bottle and air-breathing of opening one's mouth are squeezed, the aerosol medicament in aerosol bottle is when entering in collection medicinal cupping, from external admission mouth
The spiral air flow of sucking wraps up and pushes open under the guidance of guide face the second valve portion, and the cone mouth formed in the second valve portion is into one
Step is inhaled by a patient affected part after concentrating.Patient then passes through interior gas outlet and outer port is completed to exhale.
Specific embodiment is to be not intended as one kind to the utility model right to be more clearly understood that the utility model
Limitation, without departing from the purpose of the present invention, can there is various variations, all these to the field skill
Art personnel obviously modify and are included within the scope of present claims.
Claims (10)
1. including collection medicinal cupping, the suction nozzle for collecting medicinal cupping upper end and setting is arranged in a kind of medical mouth nasal aerosol delivery device
Air inlet seat in the collection medicinal cupping bottom end；It is characterized by: the lower end of suction nozzle is equipped with edge, one is formed with the collection medicinal cupping top
To medicine cavity；A check valve is equipped between medicine cavity and the collection medicinal cupping in described give；The air inlet seat be equipped with aerosol interface and
Multiple is in circumferentially uniformly distributed airflow channel；The airflow channel helically extends.
2. delivery device according to claim 1, it is characterised in that: the check valve includes an interior air inlet enclosed in a ring
Mouth and a feather valve film；A downward arc-shaped flow-guiding surface to central reduction is equipped in the centre that the interior air inlet encloses.
3. delivery device according to claim 2, it is characterised in that: described to be equipped with the interior outlet being in communication with the outside to medicine cavity
Mouthful；The feather valve film is fixed with the first valve portion that may be selected to cover the interior air inlet and may be selected by the edge
It is covered on the second valve portion of the interior gas outlet, first valve portion and the second valve portion are respectively positioned in the inside to medicine cavity
The outside and.
4. delivery device according to claim 3, it is characterised in that: the interior air inlet be in axially through；The interior air inlet
Mouth includes leaning on paracentral first bead and deep second bead；First valve portion extends and overlaps from the edge
To second bead.
5. delivery device according to claim 3 or 4, it is characterised in that: the interior gas outlet radially penetrates through；Go out in described
Port includes the third bead close to the interior air inlet and the 4th bead far from the interior air inlet；Second valve portion from
The edge extends and snaps into the 4th bead.
6. according to delivery device described in Claims 2 or 3 or 4, it is characterised in that: be equipped with positioning column on the edge；It is described
Feather valve film is equipped with the positioning through hole of adaptation corresponding with the positioning column, is equipped with and the positioning on the top of the collection medicinal cupping
The positioning counterbore of the corresponding adaptation of column；The feather valve film is fixed on the edge and the collection medicinal cupping by positioning column positioning
Top between.
7. delivery device according to claim 5, it is characterised in that: be equipped with positioning column on the edge；The feather valve
Film is equipped with the positioning through hole of adaptation corresponding with the positioning column, is equipped on the top of the collection medicinal cupping corresponding with the positioning column
The positioning counterbore of adaptation；The feather valve film is fixed on the top of the edge and the collection medicinal cupping by positioning column positioning
Between.
8. any delivery device according to claim 1 ~ 4, it is characterised in that: the helical angle of the airflow channel is 10 ~ 45
Degree.
9. delivery device according to claim 5, it is characterised in that: the helical angle of the airflow channel is 10 ~ 45 degree.
10. delivery device according to claim 6, it is characterised in that: the helical angle of the airflow channel is 10 ~ 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820062767.0U CN208405633U (en) | 2018-01-16 | 2018-01-16 | A kind of medical mouth nasal aerosol delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820062767.0U CN208405633U (en) | 2018-01-16 | 2018-01-16 | A kind of medical mouth nasal aerosol delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208405633U true CN208405633U (en) | 2019-01-22 |
Family
ID=65120882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820062767.0U Expired - Fee Related CN208405633U (en) | 2018-01-16 | 2018-01-16 | A kind of medical mouth nasal aerosol delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208405633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114351A (en) * | 2018-01-16 | 2018-06-05 | 浙江百安医疗科技有限公司 | A kind of medical mouth nasal aerosol delivery device |
| CN110585535A (en) * | 2019-08-22 | 2019-12-20 | 北京吉纳高新医疗器械有限公司 | Atomizer for nasal therapy |
-
2018
- 2018-01-16 CN CN201820062767.0U patent/CN208405633U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114351A (en) * | 2018-01-16 | 2018-06-05 | 浙江百安医疗科技有限公司 | A kind of medical mouth nasal aerosol delivery device |
| CN110585535A (en) * | 2019-08-22 | 2019-12-20 | 北京吉纳高新医疗器械有限公司 | Atomizer for nasal therapy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20220116 |