CN206285323U - A kind of drug administration mechanism for dry powder inhalation system - Google Patents
A kind of drug administration mechanism for dry powder inhalation system Download PDFInfo
- Publication number
- CN206285323U CN206285323U CN201620851852.6U CN201620851852U CN206285323U CN 206285323 U CN206285323 U CN 206285323U CN 201620851852 U CN201620851852 U CN 201620851852U CN 206285323 U CN206285323 U CN 206285323U
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- China
- Prior art keywords
- seat
- whirlwind
- discharge nozzle
- dry powder
- drug administration
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Abstract
The utility model discloses a kind of drug administration mechanism for dry powder inhalation system, it is characterized in that including quantitative feeding mechanism, discharge nozzle is provided with the quantitative feeding mechanism, the discharge nozzle front end is connected with suction nozzle, whirlwind seat is provided between the suction nozzle and discharge nozzle, air inlet is provided with the discharge nozzle.The purpose of this utility model is to overcome weak point of the prior art, there is provided a kind of simple structure, medicinal powder is inhaled by the user under good dispersity, for the drug administration mechanism of dry powder inhalation system.
Description
Technical field
The utility model is related to a kind of drug administration mechanism for dry powder inhalation system.
Background technology
Foradil Aerolizer formoterol fumarate, it is a kind of micronizing aerosol without propellant, refers to micronized medicine or carrier with glue
Capsule, vesicle or multiple dose depot form, using special powder inhaler.The preparation actively sucked by patient.Dry powder is inhaled
Enter agent as a kind of pulmonary administration, clinically for treating lung's parts such as asthma, chronic obstructive pulmonary disease, capsule fiber
Disease.
Pulmonary administration approach is due to its larger absorption area and does not have first pass effect of hepar, in the research and development of drug delivery system
Field is received significant attention, and its clinical practice is also developed into the treatment of general disease by traditional asthma local treatment.With one
As unlike method of administration, pulmonary administration needs to complete dispersion to medicine, atomization and lung by specific suction apparatus
Transmission, suction apparatus serves key effect in pulmonary delivery system.Current main flow uses powder inhaler as administration
Device.Powder inhaler is will to be transferred to lung after pharmaceutical powder aerosolization using the respiratory air flow or power set of patient
A kind of pulmonary delivery device in portion.Due to its using it is simple, be easy to carry about with one, the compliance of patient is good, extensive in clinical practice.
Due to the defect in design, its drug administration mechanism cannot make medicinal powder in good dispersed to existing powder inhaler
It is inhaled under state.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, there is provided a kind of simple structure, can be had
Effect makes medicinal powder be inhaled by the user under good dispersity, for the drug administration mechanism of dry powder inhalation system.
In order to achieve the above object, the utility model uses following scheme：
A kind of drug administration mechanism for dry powder inhalation system, it is characterised in that including quantitative feeding mechanism, described
Quantitative feeding mechanism is provided with discharge nozzle, and the discharge nozzle front end is connected with suction nozzle, is set between the suction nozzle and discharge nozzle
There is whirlwind seat, air inlet is provided with the discharge nozzle.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that described suction nozzle includes
There is suction nozzle seat, nozzle section is provided with suction nozzle seat front end, scatter channel is provided with suction nozzle seat, before the scatter channel
End is connected with nozzle section, and the scatter channel rear end is connected with discharge nozzle.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that the scatter channel is
Tapering trumpet-like passage, the internal diameter of the internal diameter less than scatter channel front end of the scatter channel rear end.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that in the scatter channel
Rear end inwall is provided with limited step, and clamping ring is provided with the scatter channel rear end, and card is provided with the discharge nozzle front end
Annular groove is connect, the whirlwind seat is arranged in scatter channel and top pressure is on limited step, and the discharge nozzle is plugged on scatter channel
Interior, the clamping ring is fastened in clamping annular groove.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that the quantitative feeding machine
Structure includes material feeding seat, and storage compartment is provided with the material feeding seat upper surface, is provided with longitudinally through feed in the storage compartment lower end
The feed opening of seat, the discharge nozzle is arranged on material feeding seat, the discharge nozzle open rearward end longitudinally through material feeding seat, in the confession
Material seat lower surface is connected with can be to the demand chamber of discharge nozzle quantitative feed, and the demand chamber is arranged on can order about demand chamber phase
On the slip support mechanism moved forward and backward to material feeding seat.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that the whirlwind seat includes
There is pedestal, whirlwind through hole is provided with the pedestal, whirlwind axle is provided with the whirlwind through hole, on the whirlwind axle outer wall
Multiple cyclone blades are evenly equipped with, the cyclone blade outside is connected with whirlwind through-hole wall.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that the whirlwind seat includes
There is pedestal, whirlwind through hole is provided with the pedestal, whirlwind axle, the whirlwind axle two ends difference are provided with the whirlwind through hole
It is movably connected in whirlwind through hole by bearing, multiple rotations that can be rotated relative to whirlwind axle is evenly equipped with the whirlwind axle outer wall
Air blade.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that on material feeding seat lower surface
Mounting groove is provided with, the feed opening and discharge nozzle rear end are connected with mounting groove respectively, and the demand chamber is movably arranged on installation
In groove, the air inlet groove being connected with discharge nozzle is provided with the mounting groove.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that the demand chamber includes
There is demand chamber seat, quantitative slot is provided with demand chamber seat, locating slot is provided with demand chamber seat lower surface, in the positioning
The shell fragment that can make demand chamber seat top pressure in material feeding seat lower surface is provided with groove, is provided with slow on the demand chamber of the quantitative front of the slot
Jet-bedding.
A kind of drug administration mechanism for dry powder inhalation system as described above, it is characterised in that the slip support mechanism
Slide brackets are included, the storage tank of the demand chamber for installing quantitative feeding mechanism is provided with the slide brackets, in institute
State and connection trailing arm is respectively equipped with slide brackets both sides, a connection trailing arm is provided with and can drive what counting mechanism was acted wherein
Driving head, is provided with the connection trailing arm for actuating the waist type connecting hole that lid is connected with dust-proof.
In sum, the utility model is relative to prior art its advantage：
Whirlwind seat is set in the utility model drug administration mechanism between discharge nozzle and suction nozzle, air intake is set in discharge nozzle
Mouthful, can effectively cause that air is sufficiently mixed with medicinal powder, and dispersion is rotated in the presence of whirlwind seat；Inhaled in the utility model
Scatter channel is provided with mouth, is further disperseed medicinal powder and is slowed down into speed during oral cavity, the accident for choking patient will not be caused,
It is safe and reliable.
Brief description of the drawings
Fig. 1 is schematic perspective view of the present utility model；
Fig. 2 is generalized section of the present utility model；
Fig. 3 is decomposing schematic representation of the present utility model；
Fig. 4 is the utility model air inlet groove schematic diagram；
Fig. 5 is the schematic diagram of the utility model suction nozzle；
Fig. 6 is the schematic diagram of the utility model whirlwind seat.
Specific embodiment
Explanation and specific embodiment are further described to the utility model below in conjunction with the accompanying drawings：
A kind of drug administration mechanism for dry powder inhalation system as shown in Figures 1 to 6, including quantitative feeding mechanism 2,
The quantitative feeding mechanism 2 is provided with discharge nozzle 24, and the front end of the discharge nozzle 24 is connected with suction nozzle 3, the suction nozzle 3 with go out
Whirlwind seat 26 is provided between expects pipe 24, air inlet 27 is provided with the discharge nozzle 24.Using process, when user exerts oneself to draw
During medicinal powder, air enters discharge nozzle 24 from air inlet 27, and air effectively mixes with medicinal powder, so as to disperse medicinal powder, also causes suction
Medicinal powder process becomes to be more prone to.
Suction nozzle 3 described in the utility model includes suction nozzle seat 31, and nozzle section 32 is provided with 31 front ends of suction nozzle seat,
Scatter channel 33 is provided with suction nozzle seat 31, the front end of the scatter channel 33 is connected with nozzle section 32, the scattering is logical
The rear end of road 33 is connected with discharge nozzle 24.
Scatter channel 33 described in the utility model is tapering trumpet-like passage, and the internal diameter of the rear end of the scatter channel 33 is less than scattered
Penetrate the internal diameter of the front end of passage 33.The utility model scatter channel 33 is reasonable in design, can reduce the pressure of the discharge outlet of suction nozzle,
So that medicinal powder can disperse, gentle is inhaled into oral cavity.
Limited step 331 is provided with the rear end inwall of the scatter channel 33 in the utility model, in the scatter channel
33 rear ends are provided with clamping ring 332, and clamping annular groove is provided with the front end of the discharge nozzle 24, and it is logical that the whirlwind seat 26 is arranged on scattering
Road 33 is interior and top pressure is on limited step 331, and the discharge nozzle 24 is plugged in scatter channel 33, and the card of clamping ring 332 sets
In clamping annular groove.It is easy for installation.
Quantitative feeding mechanism described in the utility model 2 includes material feeding seat 21, is provided with the upper surface of the material feeding seat 21
Storage compartment 22, the feed opening 23 longitudinally through material feeding seat 21 is provided with the lower end of the storage compartment 22, and the discharge nozzle 24 is arranged on
On material feeding seat 21, the open rearward end of the discharge nozzle 24 is flexibly connected longitudinally through material feeding seat 21 in the lower surface of the material feeding seat 21
Having can be to the demand chamber 25 of the quantitative feed of discharge nozzle 24, and the demand chamber 25 is arranged on can order about demand chamber 25 with respect to material feeding seat 21
On movable slip support mechanism 4.
The first implementation method of the seat of whirlwind described in the utility model 26, the whirlwind seat 26 includes pedestal 261,
Whirlwind through hole 262 is provided with the pedestal 261, whirlwind axle 263 is provided with the whirlwind through hole 262, in the whirlwind axle 263
Multiple cyclone blades 264 are evenly equipped with outer wall, the outside of the cyclone blade 264 is connected with the inwall of whirlwind through hole 262.
Second implementation method of the seat of whirlwind described in the utility model 26, the whirlwind seat 26 includes pedestal 261,
Whirlwind through hole 262 is provided with the pedestal 261, whirlwind axle 263,263 liang of the whirlwind axle are provided with the whirlwind through hole 262
End is movably connected in whirlwind through hole 262 by bearing respectively, and multiple is evenly equipped with the outer wall of whirlwind axle 263 can relative rotation
The cyclone blade 264 that wind axis 263 is rotated.
The lower surface of material feeding seat 21 is provided with mounting groove 28, the feed opening 23 and the rear end of discharge nozzle 24 point in the utility model
It is not connected with mounting groove 28, the demand chamber 25 is movably arranged in mounting groove 28, is provided with and goes out in the mounting groove 28
The air inlet groove 29 that expects pipe 24 is connected.
Demand chamber 25 described in the utility model includes demand chamber seat 251, and quantitative slot is provided with demand chamber seat 251
252, locating slot 253 is provided with 251 lower surfaces of demand chamber seat, being provided with the locating slot 253 can make demand chamber seat
251 top pressures are provided with dashpot in the shell fragment 254 of the lower surface of material feeding seat 21 on the demand chamber 25 of the front end of the quantitative slot 252
257。
Support mechanism 4 is slided described in the utility model and includes slide brackets 41, use is provided with the slide brackets 41
In the storage tank 42 of the demand chamber 25 for installing quantitative feeding mechanism 2, connection support is respectively equipped with the both sides of the slide brackets 41
Arm 43, wherein one connection trailing arm 43 be provided with can drive counting mechanism 7 act driving head 44, it is described connection trailing arm 43
Inside it is provided with for actuating the waist type connecting hole 45 that lid 6 is connected with dust-proof.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.This
The technical staff of industry is retouched in above-described embodiment and specification it should be appreciated that the utility model is not restricted to the described embodiments
That states simply illustrates principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model
Various changes and modifications are also had, these changes and improvements are both fallen within the range of claimed the utility model.This practicality is new
The claimed scope of type is by appending claims and its equivalent thereof.
Claims (10)
1. a kind of drug administration mechanism for dry powder inhalation system, it is characterised in that including quantitative feeding mechanism (2), described
Quantitative feeding mechanism (2) is provided with discharge nozzle (24), and discharge nozzle (24) front end is connected with suction nozzle (3), in the suction nozzle
(3) whirlwind seat (26) is provided with and discharge nozzle (24) between, air inlet (27) is provided with the discharge nozzle (24).
2. a kind of drug administration mechanism for dry powder inhalation system according to claim 1, it is characterised in that described
Suction nozzle (3) includes suction nozzle seat (31), nozzle section (32) is provided with suction nozzle seat (31) front end, in suction nozzle seat (31)
Scatter channel (33) is provided with, scatter channel (33) front end is connected with nozzle section (32), scatter channel (33) rear end
It is connected with discharge nozzle (24).
3. a kind of drug administration mechanism for dry powder inhalation system according to claim 2, it is characterised in that described to dissipate
It is tapering trumpet-like passage to penetrate passage (33), the internal diameter of the internal diameter less than scatter channel (33) front end of scatter channel (33) rear end.
4. a kind of drug administration mechanism for dry powder inhalation system according to claim 2, it is characterised in that described
Scatter channel (33) rear end inwall is provided with limited step (331), and clamping ring is provided with the scatter channel (33) rear end
(332) clamping annular groove, is provided with the discharge nozzle (24) front end, whirlwind seat (26) is arranged in scatter channel (33) and pushes up
It is pressed on limited step (331), the discharge nozzle (24) is plugged in scatter channel (33), and the clamping ring (332) is fastened on
In clamping annular groove.
5. a kind of drug administration mechanism for dry powder inhalation system according to claim 2, it is characterised in that described fixed
Amount feeding machanism (2) includes material feeding seat (21), storage compartment (22) is provided with the material feeding seat (21) upper surface, in the storing
Room (22) lower end is provided with the feed opening (23) longitudinally through material feeding seat (21), and the discharge nozzle (24) is arranged on material feeding seat (21)
On, discharge nozzle (24) open rearward end is connected with longitudinally through material feeding seat (21) in the material feeding seat (21) lower surface
Can be to the demand chamber (25) of discharge nozzle (24) quantitative feed, the demand chamber (25) is arranged on can order about the relative confession of demand chamber (25)
On the movable slip support mechanism (4) of material seat (21).
6. a kind of drug administration mechanism for dry powder inhalation system according to claim 1, it is characterised in that the rotation
Wind seat (26) includes pedestal (261), whirlwind through hole (262) is provided with the pedestal (261), in the whirlwind through hole
(262) whirlwind axle (263) is provided with, multiple cyclone blades (264), the rotation is evenly equipped with whirlwind axle (263) outer wall
Air blade (264) outside is connected with whirlwind through hole (262) inwall.
7. a kind of drug administration mechanism for dry powder inhalation system according to claim 1, it is characterised in that the rotation
Wind seat (26) includes pedestal (261), whirlwind through hole (262) is provided with the pedestal (261), in the whirlwind through hole
(262) whirlwind axle (263) is provided with, whirlwind axle (263) two ends are movably connected in whirlwind through hole (262) by bearing respectively
It is interior, multiple cyclone blades (264) that can be rotated relative to whirlwind axle (263) are evenly equipped with whirlwind axle (263) outer wall.
8. a kind of drug administration mechanism for dry powder inhalation system according to claim 5, it is characterised in that material feeding seat
(21) lower surface is provided with mounting groove (28), and the feed opening (23) and discharge nozzle (24) rear end are connected with mounting groove (28) respectively
Logical, the demand chamber (25) is movably arranged in mounting groove (28), is provided with and discharge nozzle (24) phase in the mounting groove (28)
The air inlet groove (29) of connection.
9. a kind of drug administration mechanism for dry powder inhalation system according to claim 8, it is characterised in that described fixed
Amount room (25) includes demand chamber seat (251), and quantitative slot (252) is provided with demand chamber seat (251), in demand chamber seat
(251) locating slot (253) is provided with lower surface, being provided with the locating slot (253) can supply demand chamber seat (251) top pressure
Expect the shell fragment (254) of seat (21) lower surface, dashpot (257) is provided with the demand chamber (25) of the quantitative slot (252) front end.
10. a kind of drug administration mechanism for dry powder inhalation system according to claim 5, it is characterised in that the cunning
Dynamic support mechanism (4) includes slide brackets (41), is provided with the slide brackets (41) for installing quantitative feeding mechanism (2)
Demand chamber (25) storage tank (42), be respectively equipped with the slide brackets (41) both sides connection trailing arm (43), wherein
One connection trailing arm (43) is provided with the driving head (44) that counting mechanism (7) can be driven to act, in connection trailing arm (43)
It is provided with for actuating waist type connecting hole (45) that lid (6) is connected with dust-proof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851852.6U CN206285323U (en) | 2016-08-08 | 2016-08-08 | A kind of drug administration mechanism for dry powder inhalation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620851852.6U CN206285323U (en) | 2016-08-08 | 2016-08-08 | A kind of drug administration mechanism for dry powder inhalation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206285323U true CN206285323U (en) | 2017-06-30 |
Family
ID=59095682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620851852.6U Withdrawn - After Issue CN206285323U (en) | 2016-08-08 | 2016-08-08 | A kind of drug administration mechanism for dry powder inhalation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206285323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075676A (en) * | 2016-08-08 | 2016-11-09 | 中山市美捷时包装制品有限公司 | A kind of drug administration mechanism of powder inhaler |
-
2016
- 2016-08-08 CN CN201620851852.6U patent/CN206285323U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075676A (en) * | 2016-08-08 | 2016-11-09 | 中山市美捷时包装制品有限公司 | A kind of drug administration mechanism of powder inhaler |
| CN106075676B (en) * | 2016-08-08 | 2022-06-21 | 中山市美捷时包装制品有限公司 | Administration mechanism of dry powder inhalation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170630 Effective date of abandoning: 20220621 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170630 Effective date of abandoning: 20220621 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |