CN110201280A - Suction nozzle and inbalation administration device for inbalation administration device - Google Patents
Suction nozzle and inbalation administration device for inbalation administration device Download PDFInfo
- Publication number
- CN110201280A CN110201280A CN201810167611.3A CN201810167611A CN110201280A CN 110201280 A CN110201280 A CN 110201280A CN 201810167611 A CN201810167611 A CN 201810167611A CN 110201280 A CN110201280 A CN 110201280A
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- China
- Prior art keywords
- wind
- medicinal powder
- powder
- pump orifice
- administration device
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/0001—Details of inhalators; Constructional features thereof
-
- 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
- A61M15/00—Inhalators
- A61M15/0001—Details of inhalators; Constructional features thereof
- A61M15/0021—Mouthpieces therefor
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
- A61M2210/1039—Lungs
Abstract
The invention discloses a kind of suction nozzles and inbalation administration device for inbalation administration device.Suction nozzle includes that oral cavity contains into portion and wind powder suction channel, it includes wind powder pump orifice and periphery wind pump orifice that oral cavity, which contains into portion, wind powder pump orifice is connected to provide suction force for medicinal powder with wind powder suction channel, and periphery wind pump orifice is set on the outside of wind powder pump orifice and is connected to outside air to form periphery wind in the outside of wind powder pump orifice.The setting of the periphery wind pump orifice of suction nozzle of the invention is so that form periphery wind in the outside of wind powder pump orifice, therefore medicinal powder is when passing through oral cavity, the circulation main channel of medicinal powder outside periphery wind to forming certain buffer action between medicinal powder and oral cavity wall, make medicinal powder is more difficult to be adhered on the wall of oral cavity, therefore improves the ratio for entering the medicinal powder of pulmonary administration.
Description
Technical field
The present invention relates to technical field of medical instrument, in particular to a kind of to give for the suction nozzle of inbalation administration device and sucking
Medicine device.
Background technique
Chronic obstructive pulmonary disease (chronic obstructive pulmonary disease) is the chronic lung disease characterized by not fully reversible flow limitation.Generation
Health organization estimation chronic obstructive pulmonary disease in boundary's occupies third in the disease cause of the death in China, is only second to tumour and cerebrovascular disease.
Pulmonary inhalation is the preferred therapy of chronic obstructive pulmonary disease, has the characteristics that targeting, efficient, quick-acting, toxic side effect is small.Often
The inhalation preparation seen includes solution atomization, metering atomising and dry powder dust cloud.With solution atomization and it is metering atomising compared with, dry powder
Powder spray inhalation compliance is good, especially suitable for chronic obstructive pulmonary disease patient.
When aspirating to medicinal powder, some medicinal powder can be adhered to the suction nozzle of inbalation administration device in the prior art
In oral cavity, to reduce the ratio that can really play the medicinal powder of drug effect into lung.
Summary of the invention
The purpose of the present invention is to provide a kind of suction nozzles and inbalation administration device for inbalation administration device, viscous to reduce
Invest the medicinal powder in oral cavity.
First aspect present invention provides a kind of suction nozzle for inbalation administration device, the suction nozzle include oral cavity contain into portion and
Wind powder suction channel, it includes wind powder pump orifice and periphery wind pump orifice that the oral cavity, which contains into portion, the wind powder pump orifice with it is described
Wind powder suction channel is connected to provide suction force for medicinal powder, and the periphery wind pump orifice is set to the wind powder pump orifice side simultaneously
It is connected to outside air to form periphery wind in the outside of the wind powder pump orifice the medicinal powder and oral cavity wall is isolated.
Further, the oral cavity portion of containing includes at least two institutes of the different location in wind powder pump orifice circumferential direction
State periphery wind pump orifice.
Further, it includes when aspirating positioned at the suction end face of oral cavity side, the wind powder suction that the oral cavity, which contains into portion,
Mouth and the periphery wind pump orifice are all set on the suction end face.
Further, the aspiration end face includes to the curved surface protruded far from oral cavity side.
Further, the curved surface is arc cylinder.
Further, the suction nozzle further includes the cyclone structure being set on the wind powder suction channel；And/or it is described
Suction nozzle further includes the rectifier structure being set on the wind powder suction channel.
Further, the cyclone structure includes the swirl vane being set in the wind powder suction channel, the eddy flow
Blade is fixedly installed relative to the wind powder suction channel.
Further, the end of the swirl vane is connect with the inner wall of the wind powder suction channel.
Further, the cyclone structure is set to the downstream of the rectifier structure.
Second aspect of the present invention provides a kind of inbalation administration device, and the inbalation administration device includes such as first party of the present invention
The suction nozzle for inbalation administration device that any one of face provides.
Further, the inbalation administration device further includes shell, and the shell includes for introducing the logical of outside air
Port, the medicine box placed cavity for placing medicine box and gas accommodation space, the medicine box placed cavity and the gas held space
It is connected to the blow vent, the wind powder pump orifice is connected to aspirate medicinal powder with the medicine box placed cavity, and the periphery wind is taken out
Suction inlet is connected to the gas held space to be connected to outside air.
Based on the suction nozzle and inbalation administration device provided by the present invention for inbalation administration device, suction nozzle include oral cavity contain into
Portion and wind powder suction channel, it includes wind powder pump orifice and periphery wind pump orifice that oral cavity, which contains into portion, and wind powder pump orifice and wind powder aspirate
Channel connection to provide suction force for medicinal powder, periphery wind pump orifice be set to wind powder pump orifice side and be connected to outside air with
Periphery wind is formed in the outside of wind powder suction channel.The setting of the periphery wind pump orifice of suction nozzle of the invention in wind powder so that aspirate
Mouthful outside form periphery wind to be isolated the medicinal powder and oral cavity wall, therefore medicinal powder is when passing through oral cavity, in the circulation master of medicinal powder
The periphery wind in the outside in channel forms certain buffer action to medicinal powder, makes medicinal powder is more difficult to be adhered on the wall of oral cavity, therefore improves
Into the ratio of the medicinal powder of pulmonary administration.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic perspective view of an angle of the inhalation composite structure of the embodiment of the present invention；
Fig. 2 is the schematic perspective view of another angle of the inhalation composite structure of the embodiment of the present invention；
Fig. 3 is the decomposition texture schematic diagram of inhalation composite structure shown in FIG. 1；
Fig. 4 is the structural schematic diagram of box body in Fig. 3；
Fig. 5 is the first structural schematic diagram for accommodating an angle seperated and that the second receiving is seperated in Fig. 3；
Fig. 6 is the first structural schematic diagram for accommodating another angle seperated and that the second receiving is seperated in Fig. 3；
Fig. 7 is the structural schematic diagram of each first cyclone structure in Fig. 3；
Fig. 8 is the structural schematic diagram of first cyclone structure in Fig. 3；
Fig. 9 is the structural schematic diagram of Fig. 3 turntable；
Figure 10 is the structural schematic diagram of another angle of turntable shown in Fig. 9；
Figure 11 is the structural schematic diagram of Fig. 3 elastic element；
Figure 12 is the structural schematic diagram of pawl disk in Fig. 3；
Figure 13 is the structural schematic diagram of mounting disc in Fig. 3；
Figure 14 is the structural schematic diagram of position-arresting disk in Fig. 3；
Figure 15 is the structural schematic diagram of Fig. 3 turntable outer ring；
Figure 16 is the structural schematic diagram of marking panel in Fig. 3；
Figure 17 is the structural schematic diagram of first shell in Fig. 3；
Figure 18 is the structural schematic diagram of second shell in Fig. 3；
Figure 19 is the structural schematic diagram of tracheae in Fig. 3；
Figure 20 is the structural schematic diagram in a direction of suction nozzle in Fig. 3；
Figure 21 is the structural schematic diagram in another direction of suction nozzle in Fig. 3.
Each appended drawing reference respectively represents:
1- first shell；1A- blow vent；2- second shell；2A- the first medicine box placed cavity opening；3- box body；3A- air inlet
Mouthful；The outlet of 3B- wind powder；31- box body internal ring wall；32- box body external annulus；The first end wall of 33-；33A- through-hole；The second end wall of 34-；
4- first accommodates fission；The first cyclone structure of 5-；6- second accommodates fission；61- containing body ratchet；6A- rotation axis；7- installation
Disk；71- connection strap；8- marking panel；9- pawl disk；91- pawl disk pawl；92- connection bump；10- turntable outer ring；10A- window
Mouthful；11- position-arresting disk；11A- limiting slot；The second link slot of 11B-；12- elastic element；13- turntable；The first link slot of 13A-；
131- turntable pawl；132- retention bead；15- tracheae；151- rectifier structure；16- suction nozzle；16A- wind powder pump orifice；16B- weeks
Side wind pump orifice；17- tracheae interconnecting piece；18- suction nozzle cover；The second cyclone structure of 19-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The suction nozzle for inbalation administration device of the embodiment of the present invention includes that oral cavity contains into portion and wind powder suction channel.Oral cavity
Containing into portion includes wind powder pump orifice and periphery wind pump orifice, and wind powder pump orifice is connected to wind powder suction channel to provide pumping for medicinal powder
Suction, periphery wind pump orifice are set to wind powder pump orifice side and are connected to outside air and formed with the outside in wind powder pump orifice
Periphery wind is to be isolated medicinal powder and oral cavity wall.The setting of the periphery wind pump orifice of the suction nozzle of the embodiment of the present invention in wind powder so that aspirate
Mouthful outside form periphery wind, therefore medicinal powder is when passing through oral cavity, the circulation main channel of medicinal powder outside periphery wind to medicine
Certain buffer action is formed between powder and oral cavity wall, makes medicinal powder is more difficult to be adhered on the wall of oral cavity, therefore is improved and given into lung
The ratio of the medicinal powder of medicine.
Preferably, the oral cavity portion of containing includes that at least two periphery wind of the different location in wind powder pump orifice circumferential direction are taken out
Suction inlet.The outlet air point that can increase periphery wind is arranged such, is better protected from medicinal powder and is adhered on the wall of oral cavity.
It is given below according to structure of the Fig. 1 to Figure 21 to the suction nozzle of the specific embodiment of the invention and the sucking with the suction nozzle
The structure of medicine device is described in detail.
As shown in Figure 20 and Figure 21, the suction nozzle 16 of the present embodiment includes that oral cavity contains into portion 162.Oral cavity contains to be set in portion 162
Wind powder pump orifice 16A is equipped with to provide suction force for medicinal powder suction.Patient is in the inhalation composite structure using the present embodiment
When, as long as will contain oral cavity, portion 162 will contain in entrance and medicinal powder is drawn into vivo by forced suction.
Since suction nozzle 16 needs directly to contact with the oral cavity of patient, suction nozzle 16 pollutes in order to prevent, the present embodiment
Inbalation administration device further includes the suction nozzle cover 18 for being set to 16 outside of suction nozzle.
Preferably, the oral cavity of the present embodiment contain into portion 162 also have be set to the wind powder side pump orifice 16A and with outside sky
Gas connection is in the periphery wind pump orifice 16B of the outside of wind powder pump orifice 16A formation periphery wind.Periphery wind pump orifice 16B's sets
It sets so that periphery wind is formed in the outside of wind powder pump orifice 16A, therefore medicinal powder is when passing through oral cavity, in the circulation main channel of medicinal powder
The periphery wind in outside certain buffer action is formed to medicinal powder, make medicinal powder is more difficult to be adhered on the wall of oral cavity, therefore improve and enter
The ratio of the medicinal powder of pulmonary administration.
The inbalation administration device of the present embodiment includes suction nozzle and the shell for installing suction nozzle and medicine box.As shown in figure 21,
Suction nozzle 16 is installed on shell by suction nozzle body 161.
Shell includes the medicine box placed cavity and gas held sky for introducing the blow vent of outside air, for placing medicine box
Between.Medicine box placed cavity and gas accommodation space are connected to blow vent, and wind powder pump orifice 16A is connected to medicine box placed cavity to aspirate
Medicinal powder, periphery wind pump orifice 16B are connected to gas held space to be connected to outside air.
Specifically in the present embodiment, shown in as shown in Figure 1, Figure 2, Figure 17 and Figure 18, shell includes first shell 1 and second shell
2.The blow vent 1A for introducing outside air is provided in first shell 1.Second shell 2 has medicine box placed cavity.Medicine box is put
Setting chamber has the first medicine box placed cavity opening 2A being connected to blow vent 1A.The medicine box placed cavity of the present embodiment also has and wind powder
The second medicine box placed cavity opening of pump orifice 16A connection.
Gas held space is formed between first shell 1 and second shell 2.Entered by the blow vent 1A of first shell 1
Gas part in first shell 1 is entered in medicine box by the first medicine box placed cavity opening in second shell, partially enters the
In the gas held space formed between one shell 1 and second shell 2.Suction nozzle 16 is set on shell.And the wind powder of suction nozzle 16
Pump orifice 16A is by the second medicine box placed cavity open communication on wind powder suction channel and second shell to aspirate medicinal powder.Suction nozzle
The periphery wind pump orifice 16B of 16 side positioned at wind powder pump orifice be connected to gas held space be connected to outside air from
And form periphery wind.
Preferably, in order to be filtered into the intracorporal air of shell, as shown in figure 17, the first shell 1 of the present embodiment
Blow vent 1A at be equipped with filter structure.And it is equipped at the first medicine box placed cavity opening 2A of the second shell of the present embodiment equal
Flow structure.
Specifically, as shown in Figure 17 and Figure 18, the inside to first shell 1 is provided on the filter structure of first shell 1
The support portion 1B of extension.When second shell 2 and first shell 1 fasten, support portion 1B makes between second shell 2 and first shell 1
With gap, therefore gas held space is formed between the lateral surface and first shell 1 of the medicine box placed cavity of second shell 2.It inhales
When mouth 16 is installed on shell, the gas that the periphery wind pump orifice of suction nozzle 16 can be drawn into gas held space is to form
Periphery wind.
Preferably, oral cavity, which contains, is provided at least two of the different location in wind powder pump orifice 16A circumferential direction in portion 162
Periphery wind pump orifice 16B.The outlet air point that can increase periphery wind is arranged such, is better protected from medicinal powder and is adhered on the wall of oral cavity.
In order to keep the periphery wind on the outside of wind powder pump orifice 16A balanced, so that medicinal powder is entering intraoral circulating direction not
Biggish offset can occur, the two sides of the wind powder pump orifice 16A of the present embodiment are symmetrically arranged with two periphery wind pump orifice 16B.
In a unshowned embodiment of attached drawing, at least two periphery wind pump orifices can also be set around wind powder pump orifice
It sets.It is arranged so that the circumferential direction of wind powder suction channel is respectively formed on periphery wind, prevents medicinal powder to be adhered to oral cavity more in all directions
On wall.
Positioned at the suction end face of oral cavity side when oral cavity contains into portion 162 including suction.Wind powder pump orifice 16A and periphery wind are taken out
Suction inlet 16B is all set on suction end face.
Preferably, the aspiration end face of the present embodiment includes to the curved surface protruded far from oral cavity side.The curved surface forms recessed
Space with facilitate oral cavity contain effectively be bonded into portion lip prevent buccal side dew and as far as possible evacuation tongue, to prevent medicinal powder to be adhered to mouth
On chamber and tongue.
Specifically in the present embodiment, curved surface is arc cylinder.
In order to make the circulating direction for entering intraoral medicinal powder from wind powder suction channel not shift, the mouth of the present embodiment
Chamber contain into portion include positioned at wind powder pump orifice both ends two periphery wind pump orifices, and the center of two periphery wind pump orifices with
The center of wind powder pump orifice is respectively positioned on the same straight line for the bus for being parallel to arc cylinder.
The suction nozzle of the present embodiment includes that oral cavity contains into portion, and oral cavity contains the periphery wind pump orifice being arranged in portion and makes in wind powder
The outside of pump orifice forms periphery wind, therefore periphery wind of the medicinal powder when passing through oral cavity, in the outside of the circulation main channel of medicinal powder
To certain buffer action is formed between medicinal powder and oral cavity wall, make medicinal powder is more difficult to be adhered on the wall of oral cavity, therefore improves and enter lung
The ratio of the medicinal powder of portion's administration.
Inhalation composite structure includes inbalation administration device and medicine box.In order to which the knot of inbalation administration device is better described
Structure and the course of work are below illustrated the structure of the medicine box of the present embodiment.
As shown in Figures 1 to 8, the medicine box of the present embodiment includes box body 3 and medicinal powder containing body.Medicinal powder containing body is set to box
In body 3 and it is equipped with the medicinal powder accommodating chamber for placing medicinal powder.Medicinal powder accommodating chamber includes that the opening of medicinal powder accommodating chamber first and medicinal powder hold
Chamber second of receiving opening.Box body 3 is equipped with the air inlet 3A for introducing outside air into box body 3 and mixes for exporting wind powder
The wind powder of object exports 3B.Medicinal powder containing body is movably configured so that medicinal powder accommodating chamber in closed state relative to box body 3 and opens
It puts and switches between state.In closed state, box body 3 closes the opening of medicinal powder accommodating chamber first and medicinal powder accommodating chamber second is open.?
Open state, the opening of medicinal powder accommodating chamber first is connected to air inlet 3A, the opening of medicinal powder accommodating chamber second is connected to wind powder outlet 3B
It is inhaled so that medicinal powder can export together with the outside air for introducing air inlet from wind powder under the action of the suction force that wind powder exports
Out.
In the present embodiment, medicinal powder containing body is can be rotatably set relative to box body 3 so that medicinal powder accommodating chamber is being closed
Switch between state and open state.The present embodiment traditional Chinese medicine powder containing body can be rotatably set the body so that medicine box relative to box body
Product is smaller, is conducive to storage and carries.Medicinal powder accommodating chamber can be for example disposed radially, or can be axially disposed, can also be with
It is arranged with radial direction at angle or with axial direction at angle setting etc..
In the present embodiment specifically, medicinal powder containing body is coaxial relative to box body 3 and can be rotatably set as shown in figure 4, box
Body 3 includes annular box body.Annular box body includes the first box body ring wall, the second box body ring wall and is formed in the first box body ring wall and the
Installation space between two box body ring walls.Air inlet 3A is set on the first box body ring wall, and wind powder outlet 3B is set to the second box
On body ring wall.Medicinal powder containing body is set in installation space.Medicinal powder containing body has the first containing body ring wall and the second containing body
Ring wall.Medicinal powder accommodating chamber is between the first containing body ring wall and the second containing body ring wall, the opening setting of medicinal powder accommodating chamber first
In on the first containing body ring wall, the opening of medicinal powder accommodating chamber second is set on the second containing body ring wall.The medicine box of the present embodiment will
Box body 3 is set as annular box body and the installation that medicinal powder containing body is set between the first box body ring wall and the second box body ring wall is empty
In make the present embodiment medicine box it is compact-sized.
In the present embodiment, the first box body ring wall is the box body internal ring wall 31 of the radially inner side positioned at annular box body.Second box
Body ring wall is the box body external annulus 32 of the radial outside positioned at annular box body.In other embodiments, the first box body ring wall can be with
Positioned at the radial outside of annular box body, the second box body ring wall can be located at the radially inner side of annular box body.
Preferably, air inlet 3A and wind powder outlet 3B is set to box body 3 in the radial direction equidirectionally.Medicinal powder accommodating chamber
Radial direction along medicinal powder containing body extends.When patient needs to aspirate medicinal powder, control medicinal powder containing body is rotated relative to box body 3
So that medicinal powder accommodating chamber and air inlet and wind powder outlet.When patient does not need suction medicinal powder, medicinal powder containing body is controlled
It rotates relative to box body 3 so that medicinal powder accommodating chamber is turned to by the closed position of box body 3.
As shown in figure 4, in the present embodiment, annular box body further includes the first end wall being set on box body internal ring wall 31
33, medicinal powder containing body is rotatably connected on the first end wall 33 and the first end wall 33 is formed with box body internal ring wall 31 and air inlet
The inlet chamber of 3A connection.So that there is sky between the exterior space and air inlet 3A of inhalation composite structure in the setting of inlet chamber
Between, it is conducive to the attachmentes such as setting filter structure, current equalizing structure.
Specifically, annular box body includes the second end wall 34 being set between box body internal ring wall 31 and box body external annulus 32.
Box body internal ring wall 31, box body external annulus 32 and the second end wall 34 surround annular groove, and annular groove forms installation space.Second end
Wall 34 and the first end wall 33 are set to the axial ends of box body 3.
In a unshowned embodiment of attached drawing, medicinal powder containing body can also be arranged translatablely relative to box body.Example
Such as, medicinal powder containing body and box body are cube structure, and medicinal powder containing body is set in box body and can put down along the length direction of box body
Move ground setting.
In the present embodiment, as shown in Figure 5 and Figure 6, medicinal powder containing body includes that the first receiving fission 4 and second accommodates fission
6.First, which accommodates fission 4, divides chamber equipped with the first receiving, and the second receiving fission 6 is equipped with the second receiving and divides chamber.First receiving point
Body 4 and second accommodate fission 6 fasten make corresponding position first accommodate divide chamber with second accommodate divide chamber be collectively formed medicinal powder accommodate
Chamber.The medicinal powder containing body split settings of the present embodiment are that two receivings mutually fastened are seperated, facilitate the medicinal powder of medicinal powder accommodating chamber
Packing.
The medicinal powder accommodating chamber of the present embodiment is cylindrical chamber structure, and in the unshowned embodiment of other accompanying drawings, medicinal powder holds
Chamber of receiving may be set to be other shapes, such as cube structure etc..
Preferably, in order to keep the fastening between the first receiving fission 4 and the second receiving fission 6 stronger, first is accommodated
Fission 4 and second accommodates and is provided with connecting column on one in fission 6, is provided with connecting hole on another, connecting column is arranged in
So that the first receiving fission 4 and the second receiving fission 6 fasten tightly to each other in connecting hole.
Specifically in the present embodiment, as shown in Figure 5 and Figure 6, it is both provided with connecting column on the first receiving fission 4, be also provided with
There is connecting hole, correspondingly, second accommodates and be both arranged on fission 6 and connection that the connecting hole that is arranged in the first receiving seperated 4 cooperates
Column is also equipped with and the connecting hole for the connecting column cooperation being arranged in the first receiving seperated 4.Such setting makes the first receiving fission 4
And second accommodate fission 6 between assembly it is even closer.
Further, the connecting column of the present embodiment is circular configuration, and connecting hole is square structure.Such setting facilitates medicinal powder
The combination of containing body.
Specifically, it is ring structure and the box body internal ring wall 31 for being sheathed on box body 3 that the first of the present embodiment, which accommodates fission 4,
Outside.Second, which accommodates fission 6 seperated with the first receiving 4, fastens and is set on the first end wall 33.As shown in figure 4, the first end wall
Through-hole 33A is provided on 33.Second accommodates and is provided with rotation axis 6A on fission 6, and rotation axis 6A is arranged in through-hole 33A so that the
Two accommodate fission 6 can be rotated relative to box body 3, since the first receiving fission 4 seperated with the second receiving 6 is connected with each other, the
Two accommodate fission 6 can drive the first receiving fission 4 to rotate synchronously relative to the rotation of box body 3.
Preferably, the medicinal powder containing body of the present embodiment includes more than two medicinal powder accommodating chambers.The two of the medicine box of the present embodiment
A above medicinal powder accommodating chamber can accommodate multi-agent medicinal powder, and patient, can be with when carrying out inhalation using the medicine box of the present embodiment
It is rotated such that more than two medicinal powder accommodating chambers are successively in open state relative to box body 3 by control medicinal powder containing body
Successively aspirate the medicinal powder in different medicinal powder accommodating chambers.Different types of medicine can be placed in more than two medicinal powder accommodating chambers at this time
Powder can also place the medicinal powder of identical type.For example, when placing the medicinal powder of identical type in more than two medicinal powder accommodating chambers,
Patient can successively aspirate the medicinal powder in different medicinal powder accommodating chambers according to the dosage of medicinal powder to realize quantitative medication.When two with
When placing different types of medicinal powder in upper medicinal powder accommodating chamber, patient can aspirate according to the dosage of different medicinal powder.Therefore this reality
The medicine box for applying example facilitates patient medication.
The medicinal powder containing body that Fig. 5 and Fig. 6 schematically shows medicine box has seven medicinal powder accommodating chambers, and medicinal powder containing body is opposite
It is can be rotatably set in box body 3 so that seven medicinal powder accommodating chambers are successively connected to air inlet 3A and wind powder outlet 3B.
Preferably, as shown in Fig. 3, Fig. 7 and Fig. 8, the medicine box of the present embodiment further includes being set to medicinal powder accommodating chamber first to open
The upstream of mouth and the first cyclone structure 5 for being used to that air-flow to be made to generate eddy flow before blowing medicinal powder.It is opened in medicinal powder accommodating chamber first
The aspiration that the first cyclone structure 5 makes air-flow generate eddy flow before blowing medicinal powder and increases medicinal powder is arranged in the upstream of mouth, from
And increase the ratio for being inhaled into the medicinal powder of lung.
As shown in fig. 7, the medicine box of the present embodiment includes more than two the be correspondingly arranged with more than two medicinal powder accommodating chambers
One cyclone structure 5.For the ease of assembly, more than two first cyclone structures 5 be can connect together.
As shown in figure 8, first cyclone structure 5 of the present embodiment has air flow inlet end, airflow outlet end and is set to gas
Swirl channel between inflow entrance end and airflow outlet end.Swirl channel includes outside from the diameter of radially inner side to the runner of runner
Side successively around more than two eddy flow portions of arrangement, each eddy flow portion for will input fraction therein generate it is defeated after eddy flow
Out.First cyclone structure 5 of the present embodiment in swirl channel by being arranged around more than two eddy flow portions of arrangement, so that place
Eddy flow can be generated in the air-flow of the radially inner side in runner to the different location between the radial outside of runner of swirl channel,
Therefore the air-flow for being located at different location in entire runner can generate eddy flow, increase the aspiration of medicinal powder.
Specifically, as shown in figure 8, first cyclone structure 5 of the present embodiment includes the first eddy flow portion 51 and the second eddy flow portion
52.And first the eddy flow that generates of eddy flow portion 51 and the second eddy flow portion 52 it is contrary.The medicine box of the present embodiment will be adjacent
The direction for the eddy flow that eddy flow portion generates is set as reversely, so that the air-flow before blowing medicinal powder forms the eddy flow of different directions,
To which the direction of the impact force to medicinal powder is also different, therefore preferably medicinal powder can be atomized as lesser powder, it is easier to quilt
Patient absorbs.
In the present embodiment, the first cyclone structure 5 is set at air inlet 3A.In order to be conducive to guarantee the close of medicinal powder accommodating chamber
Envelope property concentrates the air-flow entered in medicinal powder accommodating chamber more, the end face at the air flow inlet end of the first cyclone structure 5 and medicine box
End face contact and shape cooperation at air inlet.First cyclone structure 5 of the present embodiment is set at the air inlet 3A of box body 3,
The end face at the air flow inlet end of the first cyclone structure 5 is engaged with box body 3, the end of the airflow outlet end of the first cyclone structure 5
Face is engaged with medicinal powder containing body.
In the present embodiment, the first box body ring wall of box body 3 is cylindrical structure, therefore as shown in figure 8, the first cyclone structure
The end face at 5 air flow inlet end is set as the cylinder arc structure protruded to airflow outlet end side.
Preferably, the first cyclone structure 5 further includes that the outside being set on the outside of runner on the outside of first eddy flow portion of number is led
Stream interface.Outboard diversion face is at least the expansion face become larger from the upstream of swirl channel to downstream in airflow outlet end side.
Outboard diversion face is set as expansion face and is conducive to impact air-flow to the medicinal powder at the cavity wall for being located at medicinal powder accommodating chamber, to subtract
Few medicinal powder residual, increases and enters the intraoral medicinal powder amount of patient.
Specifically in the present embodiment, expansion face includes cone structure.
Preferably, in order to avoid the air-flow between two neighboring eddy flow portion interacts, as shown in figure 8, the present embodiment
The isolation structure 52 of air-flow of the setting for two eddy flow portions to be isolated between adjacent eddy flow portion.
Preferably, isolation structure 52 includes the air flow guiding for the eddy flow portion of inside in two eddy flow portions for its isolation
The first intermediate guide face and for for its isolation two eddy flow portions in outside eddy flow portion air flow guiding second among
Guide face.
Specifically, the first intermediate guide face at least airflow outlet end side be sectional area from the upstream of eddy flow runner under
Swim the expansion face that becomes larger, and the second intermediate guide face is at least sectional area from the upper of eddy flow runner in airflow outlet end side
Swim the expansion face become larger to downstream.The setting in expansion face can equally make air-flow at the cavity wall of medicinal powder accommodating chamber
Medicinal powder is impacted, to increase into the intraoral medicinal powder amount of patient.
The medicine box of the present embodiment includes box body 3 and medicinal powder containing body.Medicinal powder containing body has more than two medicinal powder accommodating chambers
And medicinal powder containing body can be rotatably set relative to box body 3.And the first cyclone structure 5 is provided at the air inlet 3A of box body 3.Suffer from
Person can be rotated when using the medicine box of the present embodiment by control medicinal powder containing body relative to box body to accommodate to different medicinal powder
Medicinal powder in chamber is aspirated, therefore the medicine box of the present embodiment facilitates patient medication.And the medicine box of the present embodiment by into
The first cyclone structure is arranged at port makes air-flow generate eddy flow before blowing medicinal powder and be atomized medicinal powder sufficiently, to increase quilt
Suck the ratio of the medicinal powder of lung.
Preferably, in order to preferably be atomized to medicinal powder, as shown in Figure 20 and Figure 21, the inhalation of the present embodiment is filled
Setting further includes the second cyclone structure 19 being set on wind powder suction channel.The wind powder that second cyclone structure 19 exports wind powder is mixed
Conjunction object generates eddy flow when through wind powder suction channel and is further atomized, to improve the atomizing effect of medicinal powder, further
Patient is improved to the absorptivity of medicinal powder.
The inhalation composite structure of the present embodiment generates the first of eddy flow to the air-flow before impact medicinal powder by setting
Cyclone structure 5 and the second cyclone structure 19 for generating eddy flow to wind powder mixture carry out sufficiently atomization to medicinal powder to improve medicinal powder
Absorptivity.
Second cyclone structure 19 includes swirl channel and the swirl vane being set in swirl channel.
Specifically, swirl vane is fixedly installed relative to swirl channel.This is provided with the medicinal powder for being conducive to maintain to suck every time
The stabilization of amount.
The suction nozzle 16 of the present embodiment further includes the tracheae 15 being set between suction nozzle body 161 and shell.Tracheae 15 passes through
Tracheae interconnecting piece 17 is connected on shell.The inner cavity of tracheae 15 forms part wind powder suction channel.
Preferably, the rectifier structure 151 for being rectified to wind powder mixture is provided in tracheae 15.
In the present embodiment, the second cyclone structure 19 is set to the downstream of rectifier structure 151, that is to say, that rectifier structure
151 are set between the first cyclone structure 5 and the second cyclone structure 19.Therefore air-flow is generated before blowing medicinal powder after eddy flow and
Medicinal powder carries out being mixed to form wind powder mixture.First passing through rectifier structure 151 after forming wind powder mixture and rectify makes wind powder
Mixture smooth flow in entire wind powder suction channel, then again by the second cyclone structure 19 to entire wind powder suction channel
Interior wind powder mixture carries out eddy flow, and more wind powder mixtures can be made to carry out eddy flow, be atomized medicinal powder sufficiently.
Preferably, in order to accelerate the medicinal powder blown out from medicine box, the inbalation administration device of the present embodiment further includes setting
The wind powder accelerated passage being placed between the first cyclone structure 5 and the second cyclone structure 19.The wind powder accelerated passage makes medicinal powder exist
It can sufficiently accelerate to enter medicinal powder in the second cyclone structure effectively to break up with faster speed under the drive of air-flow
Medicinal powder is sufficiently atomized.
Specifically, wind powder accelerated passage is to be set to the first cyclone structure 5 and the second cyclone structure 19 in the present embodiment
Between accelerating cavity.The accelerating cavity provides space for the acceleration of medicinal powder, to make medicinal powder when entering the second cyclone structure
It can have faster speed.
Preferably, the length of the accelerating cavity is more than or equal to 10mm.
More preferably, the length of accelerating cavity is greater than 20mm.
The convenience of the inhalation composite structure of the present embodiment, the inhalation of the present embodiment are used in order to improve patient
Device includes the driving mechanism for driving medicinal powder containing body to move relative to box body 3.
In the present embodiment, driving mechanism includes relative to the rotatable pawl disk 9 of box body 3.Spine is provided on pawl disk 9
Pawl disk pawl 91.Containing body ratchet is provided on medicinal powder containing body.Pawl disk pawl 91 drives the rotation of containing body ratchet to drive
The rotation of medicinal powder containing body.
Specifically, as shown in figure 5, being provided with containing body ratchet 61 on the top surface of the second receiving fission 6 of medicinal powder containing body.
The pawl disk 9 for being equipped with pawl disk pawl 91 be installed in mounting disc 7 and with the containing body ratchet that is set on medicinal powder containing body
Cooperated to drive second to accommodate fission 6 and rotate.Second accommodates 4 connection seperated with the first receiving of fission 6, therefore first accommodates
Fission 4 accommodates the rotation that fission 6 rotates synchronously and then realizes medicinal powder containing body also with second.
As shown in figure 13, multiple connection straps 71 of circumferentially spaced setting are provided in mounting disc 7.It is arranged on pawl disk 9
There are multiple connection bumps 92.Connection strap 71 is arranged between two connection bumps 92 so that pawl disk to be installed in mounting disc 7.
For operating easily, as shown in figure 9, the inhalation composite structure in the present embodiment further includes being provided with knob
Turntable 13.Pawl disk 9 is connect to rotate synchronously under the drive of turntable 13 with turntable 13.
Turntable pawl 131 is provided on turntable 13.Certainly in a unshowned embodiment of attached drawing, can also directly make
Turntable pawl and containing body ratchet cooperate and then drive the rotation of medicinal powder containing body.
For the ease of obtain the present embodiment medicine box use information, the inbalation administration device of the present embodiment further includes being used for
Show that the information of the use information of medicine box shows structure.
Medicinal powder containing body includes more than two medicinal powder accommodating chambers.Information shows that structure includes and more than two medicinal powder accommodating chambers
The marking panel 8 for the more than two marks being correspondingly arranged.Marking panel 8 and medicinal powder containing body rotate synchronously.As shown in Figure 15 and Figure 16,
The inhalation composite structure of the present embodiment includes marking panel 8 and turntable outer ring 10.Turntable outer ring 10 is set relative to the fixation of box body 3
It sets.Window 10A is provided on turntable outer ring 10.Marking panel 8 is set to the downside of turntable outer ring 10.Mistake of the marking panel 8 in rotation
Window 10A can show the mark on marking panel 8 in journey.And as shown in Figure 1, turntable 13 is set in turntable outer ring 10
Portion is provided with arrow on turntable outer ring 10 to show the direction of the rotation of turntable 13.
Specifically in the present embodiment, as shown in figure 16, it is provided with that medicinal powder accommodating chamber is corresponding sets with two or more on marking panel 8
The count flag set.Marking panel 8 is rotated synchronously relative to medicinal powder containing body to show multiple medicinal powder accommodating chambers in medicinal powder containing body
Medicinal powder service condition.For example, there are seven medicinal powder accommodating chambers for the medicine box of the present embodiment.In the medicine box of the present embodiment
When being not used, 8 count flag of marking panel is shown as zero.With the gradually use of medicinal powder accommodating chamber traditional Chinese medicine powder in medicine box, marking panel 8
Count flag become larger.When the count flag on marking panel 8 reaches seven, patient may know that the medicinal powder in medicine box is complete
Portion is finished, and the medicine box that can more renew uses.The setting of marking panel 8 is so that the inhalation composite structure of the present embodiment is more convenient for
It uses.
In other embodiments, the mark on marking panel can also include the use information of the medicine boxs such as medicinal powder information.
For example, the mark on marking panel can be to be held with medicinal powder when accommodating different types of medicinal powder in more than two medicinal powder accommodating chambers
The corresponding medicinal powder information of medicinal powder type received in chamber.
In order to rotate synchronously marking panel 8 and medicinal powder containing body, as shown in figure 16, it is arranged on the inside edge of marking panel 8
There is marking panel ratchet.Turntable pawl 131 and marking panel ratchet cooperate to drive marking panel ratchet to rotate, while driven by rotary disc pawl
Disk 9 rotates synchronously, so that marking panel 8 and medicinal powder containing body rotate synchronously, so that the count flag on marking panel 8 can be shown
The use state of the medicinal powder accommodating chamber of medicinal powder containing body.
Preferably, as shown in figure 11, inhalation composite structure further includes the elasticity for making turntable pawl self-return
Element 12, the first end of elastic element 12 and turntable 13 are arranged relatively fixedly, and the second end and box body 3 of elastic element are relatively solid
Surely it is arranged.
Specifically, as shown in Figure 10, the bottom of turntable 13 is provided with the first link slot 13A, the first end of elastic element 12
It is connected in the first link slot 13A.The inhalation composite structure of the present embodiment further includes the limit being fixedly installed relative to box body 3
Position disk 11.The second link slot 11B is provided on position-arresting disk 11.The second end of elastic element 12 is connected in the second link slot 11B.
Since the first end of elastic element 12 is fixedly connected with turntable 13, the second end of elastic element 12 is fixedly connected with position-arresting disk 11,
Therefore after turntable 13 rotates under the rotation of patient can under the pulling of elastic element 12 self-return.
Specifically in the present embodiment, elastic element 12 is torsional spring.
Preferably, in order to control the slewing area of turntable pawl 131 so that multiple medicinal powder accommodating chambers successively and on box body 3
The successively medication of wind powder outlet and then realization patient to the medicinal powder in multiple medicinal powder accommodating chambers, as shown in figure 14, this implementation
Limiting slot 11A is provided on the position-arresting disk 11 of example.As shown in Figure 10, turntable 13 is equipped with retention bead 132.Retention bead 132
It swings in limiting slot 11A to limit each slewing area of turntable pawl 131.
More preferably, in order to guarantee turntable pawl 131 limit reliability, the position-arresting disk of the present embodiment is provided with symmetrical cloth
Two limiting slots set.Two limiting slots cooperate with the retention bead on turntable 13 respectively.
The driving mechanism of the present embodiment is by setting turntable 13 and the pawl disk 9 rotated synchronously with turntable 13 so that turntable
Turntable 13 drives the rotation of medicinal powder containing body while turntable pawl driving marking panel 8 on 13 rotates, to realize that marking panel 8 is right
The display of the medicinal powder use state of medicinal powder containing body.And it is provided with knob on turntable 13, facilitate patient to operate.
Testing crew respectively takes out the medicinal powder for the medicine box for being provided with the first cyclone structure using the first preparation and the second preparation
The medicinal powder suction effect inhaled effect and be not provided with the medicine box of the first cyclone structure is tested, test result such as 1 institute of table
Show.The medicinal powder particle diameter of first preparation is 10 μm.The medicinal powder particle diameter of second preparation is 2.8 μm.Such as the test number in table 1
According to shown, the reagent of medicinal powder particle diameters different for two kinds is provided with the first cyclone structure in the identical situation of explosive payload
Medicine box medicinal powder aspiration be greater than not set first cyclone structure medicine box medicinal powder aspiration.In summary, it is arranged first
Cyclone structure can increase the medicinal powder amount for being pumped out medicine box.
Table 1: it is provided with the test result of the medicine box of the first cyclone structure
Testing crew is using third preparation and the 4th preparation respectively to being provided with the first cyclone structure and the second cyclone structure
Medicine box medicinal powder suction effect and be provided with the first cyclone structure and be not provided with the medicinal powder of the medicine box of the second cyclone structure
Suction effect is tested, and test result is as shown in table 2.In table 2, GMD (Geometric Mean Diameter) is represented
The geometric mean diameter of medicinal powder particle, MMAD (Mass Median Aerodynamic Diameter) represent the matter of medicinal powder particle
Measure Median Aerodynamic Diameter.Wherein, the geometric mean diameter of the medicinal powder particle of third preparation is 2.1 μm.4th preparation
The geometric mean diameter of medicinal powder particle is 2 μm.
As shown in the test data in table 2, the quality for the medicinal powder that the medicine box of the second cyclone structure of setting is pumped out is average
Aerodynamic diameter be less than be not provided with the medicinal powder that the medicine box of the second cyclone structure is pumped out mass average aerodynamic it is dynamic
Aerodynamic diameter.And the mean mass aerodynamic diameter being arranged in the medicinal powder that is pumped out of medicine box of the second cyclone structure is small
It is all larger than and is not provided in the medicinal powder that the medicine box of the second cyclone structure is pumped out in the ratio of 3.4 μm and the medicinal powder less than 5 μm
Ratio shared by corrresponding quality Median Aerodynamic Diameter.In summary, the setting of the second cyclone structure can be such that medicinal powder fills
Divide atomization, the more conducively absorption of patient.
In summary, the suction nozzle and inbalation administration device of the embodiment of the present invention at least have the advantage that
The setting of the periphery wind pump orifice of the suction nozzle of the embodiment of the present invention is so that form periphery in the outside of wind powder pump orifice
Wind, therefore medicinal powder is when passing through oral cavity, the circulation main channel of medicinal powder outside periphery wind to shape between medicinal powder and oral cavity wall
At certain buffer action, make medicinal powder is more difficult to be adhered on the wall of oral cavity, therefore improves the ratio for entering the medicinal powder of pulmonary administration.
And the aspiration of medicinal powder can be improved in inbalation administration device the first cyclone structure of setting of the embodiment of the present invention.Setting
Second cyclone structure improves the atomizing effect of medicinal powder, to improve the medicinal powder amount that patient sucks lung.
Table 2: it is provided with the test result of the medicine box of the first cyclone structure and the second cyclone structure
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (11)
1. a kind of suction nozzle for inbalation administration device, which is characterized in that the suction nozzle (16) include oral cavity contain into portion (162) and
Wind powder suction channel, it includes wind powder pump orifice (16A) and periphery wind pump orifice (16B), the wind that the oral cavity, which contains into portion (162),
Powder pump orifice (16A) is connected to provide suction force for medicinal powder with the wind powder suction channel, and the periphery wind pump orifice (16B) sets
It is placed on the outside of the wind powder pump orifice (16A) and is connected to outside air and formed with the outside in the wind powder pump orifice (16A)
Periphery wind.
2. the suction nozzle according to claim 1 for inbalation administration device, which is characterized in that the oral cavity contains into portion
(162) include different location in wind powder pump orifice (16A) circumferential direction at least two periphery wind pump orifices (16B).
3. the suction nozzle according to claim 1 for inbalation administration device, which is characterized in that the oral cavity contains into portion
It (162) include when aspirating positioned at the suction end face of oral cavity side, the wind powder pump orifice (16A) and the periphery wind pump orifice
(16B) is all set on the suction end face.
4. the suction nozzle according to claim 3 for inbalation administration device, which is characterized in that the aspiration end face include to
Curved surface far from oral cavity side protrusion.
5. the suction nozzle according to claim 4 for inbalation administration device, which is characterized in that the curved surface is arc column
Face.
6. the suction nozzle according to any one of claim 1 to 5 for inbalation administration device, which is characterized in that the suction
Mouth (16) further includes the cyclone structure being set on the wind powder suction channel；And/or the suction nozzle further include be set to it is described
Rectifier structure on wind powder suction channel.
7. the suction nozzle according to claim 6 for inbalation administration device, which is characterized in that the cyclone structure includes setting
The swirl vane being placed in the wind powder suction channel, the swirl vane are fixedly installed relative to the wind powder suction channel.
8. the suction nozzle according to claim 7 for inbalation administration device, which is characterized in that the end of the swirl vane
Portion is connect with the inner wall of the wind powder suction channel.
9. the suction nozzle according to claim 6 for inbalation administration device, which is characterized in that the cyclone structure is set to
The downstream of the rectifier structure.
10. a kind of inbalation administration device, which is characterized in that the inbalation administration device includes such as any one of claims 1 to 9
The suction nozzle for inbalation administration device.
11. inbalation administration device according to claim 10, which is characterized in that the inbalation administration device further includes shell
Body, the shell include the medicine box placed cavity and gas held sky for introducing the blow vent of outside air, for placing medicine box
Between, the medicine box placed cavity and the gas held space are connected to the blow vent, the wind powder pump orifice and the medicine
Box placed cavity is connected to aspirate medicinal powder, and the periphery wind pump orifice is connected to the gas held space to connect with outside air
It is logical.
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|---|---|---|---|
| CN201810167611.3A CN110201280B (en) | 2018-02-28 | 2018-02-28 | Suction nozzle for an inhalation device and inhalation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810167611.3A CN110201280B (en) | 2018-02-28 | 2018-02-28 | Suction nozzle for an inhalation device and inhalation device |
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| CN110201280A true CN110201280A (en) | 2019-09-06 |
| CN110201280B CN110201280B (en) | 2021-07-30 |
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| CN201810167611.3A Active CN110201280B (en) | 2018-02-28 | 2018-02-28 | Suction nozzle for an inhalation device and inhalation device |
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| CN110201280B (en) | 2021-07-30 |
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