CN204766902U - Powder spray device of dosing - Google Patents
Powder spray device of dosing Download PDFInfo
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- CN204766902U CN204766902U CN201520460095.5U CN201520460095U CN204766902U CN 204766902 U CN204766902 U CN 204766902U CN 201520460095 U CN201520460095 U CN 201520460095U CN 204766902 U CN204766902 U CN 204766902U
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Abstract
The utility model provides a powder spray device of dosing, belongs to the suction -type apparatus field of dosing. Its below at the metering unit that doses sets up the vibration gear, and is right the metering unit that doses provide longitudinal vibration, adopt the mode of " substance " or " dual " vibration through the medicine powder to among the powder reservoir, make powder spray device of dosing have the convenience that good medicament powder adaptability and mechanical structure parameter design vibration effect adjusted to the measurement accuracy of ensureing to dose whole powder spray device of dosing better at every turn the in -process storing up the prescription unit powder dosage that supplies, simultaneously, simplify whole powder spray device of dosing's operating procedure, provide better operation convenience for patient's use. This powder spray device of dosing is when the use, and its spiral cover only needs the manually rotate the spiral cover to follow a direction of rotation and follows each rotation of the 2nd direction of rotation once, can realize once complete " confession medicine - dose " process. Can extensively be applicable to the powder spray device of dosing's of various specifications design, manufacturing field.
Description
Technical field
This utility model belongs to the instrument field inputted by medium in human body, particularly relates to a kind of inhalation-type drug administration apparatus for the powder spray of prescribed dose to be sent into patient lungs with respiratory air flow direct oral cavity.
Background technology
In modern medical service technology, adopt direct oral cavity or snuffing to enter to make medicine directly to enter pulmonary and absorbed into serum, avoid " head crosses " effect of liver.
Clinically, pulmonary administration is mainly used in the pulmonary disease such as treatment asthma, chronic obstructive pneumonia, cystic fibrosis.Because alveolar epithelial cells wall is thin, surface area is large, the active feature such as low of enzymes metabolism, in recent years, pulmonary administration mode becomes the new way of more drug (as polypeptide and protein medicaments etc.) noninvasive administration gradually.
In pulmonary administration mode, powder spray has many advantages compared with aerosol, if avoid the problem of aerosol in use patient and device coordinated, without the need to using propellant etc., is therefore have the lung of application prospect to suck dosage form at present most.
Powder spray mean micronized medicine or with carrier with capsule, vesicle or multiple dose reservoir type, special powder spray doser or suction apparatus is adopted (or to be called suction type medicator, past is also referred to as powder inhaler or dry powder drug administration device), initiatively suck the dosage form of atomization medicine to pulmonary by patient.Inhalation powder spray relies on the autonomous respiration of patient to make drug powder enter respiratory system, and have and be easy to carry, cost is low, the feature that stability is strong.In recent years, the range of application of inhalation powder spray has been extended to the Formulations for systemic administration of polypeptide protein class, antibiotic, bio-pharmaceutical and medicine for cardiovascular system from traditional lung local disease curative.Particularly some biomacromolecules can realize comparatively ideal bioavailability after drug powder suction-pulmonary administration.
Powder spray doser is the core of powder spray exploitation, and the quality of its design directly has influence on the height of powder spray lung deposition efficiencies.
For powder spray doser, be generally divided into two large classes at present: single dose and many meterings, wherein multiple dose is generally divided into again vesicle type and depot.
Depot suction type medicator is all provided with a dust container and corresponding metering element usually, successively separates efflorescence medicament quantitatively by metering element from dust container.
It is that poor fluidity, powdery granule has larger surface energy, easily forms " reunions " state, thus causes larger difficulty to the metering of the every dose of depot medicine that the micron powder of powder spray doser exists a larger problem.
The applicant applies for before this, authorized announcement date is on 04 22nd, 2015, Authorization Notice No. is in the Chinese invention patent of CN102228725B, disclose one " dry powder drug administration device ", comprise flow channel component, medicated powder storage capsule and administration gauge assembly, it arranges inverted cone shape medicated powder storage capsule at housing upper; One ring-type manual rotation portion is set in housing upper periphery; Arrange rotating slideway at housing upper outer surface, in ring-type manual rotation portion, medial surface correspondence arranges slide block; First elastomeric element is set between ring-type manual rotation portion and housing upper; In rotating slideway one end, air inlet is set; In enclosure interior, flow path features is set; Suction nozzle is set in hull outside, at suction nozzle outer setting enclosing cover; At flow path features horizontal part, feeding opening is set; Below inverted cone shape medicated powder storage capsule, administration gauge assembly is set; Described flow path features successively gas circuit connects air inlet, administration gauge assembly and suction nozzle.It carries out drying to medicated powder gauge assembly before adding medicated powder, can accurate-metering medicated powder dosage and avoid " overdose " administration.
In technique scheme, adopt the version that rotating slideway is set, come rotational angle and the rotation direction of limit manual rotating part, to ensure the direction of rotation of dosed administration dish in position relationship between inverted cone shape medicated powder storage capsule and the administration gauge assembly below it and administration gauge assembly, guarantee to carry out drying and dosed administration to medicated powder gauge assembly before adding medicated powder, so that the administration groove containing medicated powder aims at the feeding opening of flow path features, complete for medicine process, make patient suck medicated powder and possess prerequisite.
But find in actual use, adopt the version with rotating slideway, one structural complexity and the manufacturing process being the increase in doser, two is the structural limitations due to rotating slideway, user can be caused to need operation spiral cover 4 times, intactly could complete single administration and suck operation, number of operations, step are more, be not easy to use and operate, and due to the frequent anglec of rotation of user not in place, completing smoothly of subsequent dose operating procedure can be had influence on.
Under the prerequisite how put in place in the direction of rotation and the anglec of rotation that ensure dosed administration dish, simplify the operation step as much as possible, provides the convenience of operation, is also the problem that technique scheme needs to solve in implementation process.
Simultaneously, technique scheme Chinese medicine powder gauge assembly structure requires comparatively harsh to powder flowbility, by can ensure better whole powder spray doser the metering accuracy of confession single-dose powder amount, increase powder spray doser to the adaptability of larger physical property scope drug powder, overcome the adverse effect that loaded drug powder powder flowbility difference is brought administration metering accuracy, need the improvement carrying out again to the structure of its drug powder gauge assembly.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of powder spray doser, it arranges vibration gear in the below of administration gauge assembly, extensional vibration is provided to described administration gauge assembly, by the pattern adopting " substance " or " dual " to vibrate to the drug powder in medicated powder storage capsule, make powder spray doser have the convenience of good medicament powder adaptability and the adjustment of mechanical configuration parameter design vibrating effect, with guarantee better medicine storage unit in each administration process of whole powder spray doser the metering accuracy of confession medicated powder dosage; Meanwhile, simplify the operating procedure of whole powder spray doser, the use for patient provides better operation ease.
The technical solution of the utility model is: provide a kind of powder spray doser, comprise and be arranged on medicated powder storage capsule in doser housing and administration gauge assembly, suction nozzle is had in the arranged outside of housing, the inside of housing is provided with flow path features, and described flow path features successively gas circuit connects air inlet, administration gauge assembly and suction nozzle; It is characterized in that:
Described doser housing is made up of the upper cover of coaxial package successively, housing and lower house, is provided with a spiral cover in lower house lower end;
Flow path features described in it is made up of runner upper member and runner lower member, and described runner upper member and runner lower member fasten and be structure as a whole, and forms a complete runner gas circuit;
Administration gauge assembly described in it at least comprises a rotating disk, sets gradually a vibration gear and a spring in the below of rotating disk; Described rotating disk, vibration gear and spring coaxial package;
On the lower surface of described rotating disk, be provided with on a circle and vibrate tooth; On the upper surface of described vibration gear, under being provided with a circle, vibrate tooth; At least one ratchet is circumferentially provided with at described rotating disk;
The upper surface of described rotating disk is provided with several quantitative medicine groove, and described several quantitative medicine groove is along the circumference uniform distribution of described rotating disk;
Medicated powder storage capsule described in it comprises the outer cartridge case be fixed on described runner lower member;
Spiral cover described in it, spring, vibration gear, rotating disk and the outer cartridge case be arranged on described runner lower member, form the vibration medicine storage unit of described powder spray doser;
Spiral cover described in it is for driving described administration gauge assembly and the work of vibration medicine storage unit, realize the function of its administration metering and vibration respectively, and then realize making whole doser have the convenience of good medicament kind adaptability and the adjustment of mechanical configuration parameter design vibrating effect, improve medicine storage unit in each administration process of whole powder spray doser supply the metering accuracy of medicated powder dosage.
Concrete, in described outer cartridge case, be also provided with an interior cartridge case; Described interior cartridge case is nested in described outer cartridge case, and described interior cartridge case can move freely in described outer cartridge case;
Described spiral cover, spring, vibration gear, rotating disk and the inside and outside cartridge case be arranged on described runner lower member, form the dual-vibration medicine storage unit of described powder spray doser;
Spiral cover described in it, for driving described administration gauge assembly and the work of dual-vibration medicine storage unit, realizes the function of its administration metering and dual-vibration respectively;
Wherein, described vibration gear serves as principal oscillation parts, and described interior cartridge case serves as time vibrating mass.
Further, described interior cartridge case is the tubular structure of a hollow, and its lower end diameter, is less than the upper end diameter of interior cartridge case, the longitudinal profile structure of described interior cartridge wall, is a up big and down small inversion isosceles trapezoidal structure.
In the outside of described suction nozzle, be provided with enclosing cover, for closing described suction nozzle and the port of export of described runner gas circuit.
Compared with the prior art, the utility model has the advantages that:
1. by adopting the substance vibrating function of outer cartridge case, or, by adopting the dual-vibration pattern of inside and outside cartridge case, make the drug powder being arranged in medicated powder storage capsule, can flow in described quantitative medicine groove more uniformly, also can guarantee whole powder spray doser supply the metering accuracy of single-dose powder amount, add the adaptability of powder spray doser to wider drug powder kind, overcome the adverse effect that loaded drug powder brings administration metering accuracy due to poor fluidity;
2. under the prerequisite ensureing " for medicine-administration " effect, simplify operating procedure, once complete " for medicine-administration " process, user only needs in the counterclockwise direction in use and manual rotation spiral cover is each once along clockwise direction, can realize once complete " for medicine-administration " process;
3. operating procedure is simplified, and makes operation more convenient, user-friendly, oscillation intensity and form adjustable, be suitable for the wider of powder.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model powder spray doser;
Fig. 2 is the structure sectional view of this utility model powder spray doser;
Fig. 3 is the plan structure schematic diagram of part transmission in this utility model dose distribution process;
Fig. 4 be in this utility model dose distribution process part transmission look up structural representation;
Fig. 5 is the structural representation of this utility model vibration administration unit;
Fig. 6 to Fig. 9 is the operating procedure schematic diagram of this utility model powder spray doser.
In figure, 1 is lower house, and 3 is rotating disk, and 3a is quantitative medicine groove, 3b is upper vibration tooth, and 3c is ratchet, and 4 is runner upper member, 5 is runner lower member, and 6 is housing, and 7 is suction nozzle, 8 is spiral cover, and 12 is vibration tooth, and 12a is lower vibration tooth, 13 is spring, and 14 is interior cartridge case, and 14a is outer cartridge case, 15 is base cover, and 16 is upper cover, and 17 is enclosing cover.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
In Fig. 1 to Fig. 5, the technical solution of the utility model provides a kind of powder spray doser, comprise and be arranged on medicated powder storage capsule in doser housing and administration gauge assembly, suction nozzle is had in the arranged outside of housing, the inside of housing is provided with flow path features, and described flow path features successively gas circuit connects air inlet, administration gauge assembly and suction nozzle; Its inventive point is:
Described doser housing is made up of the upper cover 16 of coaxial package successively, housing 6 and lower house 1, is provided with a spiral cover 8 in lower house lower end;
Flow path features described in it is made up of runner upper member 4 and runner lower member 5, and described runner upper member and runner lower member fasten and be structure as a whole, and forms a complete runner gas circuit;
Administration gauge assembly described in it at least comprises a rotating disk 3, sets gradually a vibration gear 12 and a spring 13 in the below of rotating disk; Described rotating disk, vibration gear and spring coaxial package;
On the lower surface of described rotating disk, be provided with on a circle and vibrate tooth 3b; On the upper surface of described vibration gear, under being provided with a circle, vibrate tooth 12a; Ratchet 3c is circumferentially provided with at described rotating disk;
The upper surface of described rotating disk is provided with several quantitative medicine groove 3a, and described several quantitative medicine groove is along the circumference uniform distribution of described rotating disk.
For the ease of distinguishing and definition, the technical program will just in time be positioned at that the quantitative medicine groove below outer cartridge case 14a, be referred to as the first administration groove (lower same).
Medicated powder storage capsule described in it at least comprises the outer cartridge case 14a be fixed on described runner lower member.
One as this programme is out of shape, an interior cartridge case 14 also can be set in described outer cartridge case 14a, then described medicated powder storage capsule comprises the outer cartridge case 14a be fixed on described runner lower member and the cartridge case 14 being arranged in outer cartridge case, described interior cartridge case is nested in described outer cartridge case, and described interior cartridge case can move freely in described outer cartridge case.
Shown in Fig. 5, the upper end of cartridge case arranges a base cover 15 outside, described rotating disk, outer cartridge case and base cover form an enclosed space, in described enclosed space, interior cartridge case can move freely, and described moves freely, can be interior cartridge case vertically moving along outer cartridge case longitudinal axis, also in the transverse shifting of cartridge case outside in cartridge case, the compound of also described interior cartridge case vertical and horizontal movement in cartridge case outside, or the irregular movement of interior cartridge case outside in cartridge case.
By moving freely in interior cartridge case outside cartridge case, to the powder spray drug powder (or being called drug powder) be seated in outer cartridge case, can vibrate fully.
The object of interior cartridge case is set, is the change by internal cartridge design parameter, obtains better vibrating effect.
In the outside of described suction nozzle, be provided with enclosing cover 17, for closing described suction nozzle and the port of export of described runner gas circuit.
Spiral cover described in it, spring, vibration gear, rotating disk and the outer cartridge case be arranged on described runner lower member, form the vibration medicine storage unit of described powder spray doser.
Or described spiral cover, spring, vibration gear, rotating disk and the inside and outside cartridge case be arranged on described runner lower member, form the dual-vibration medicine storage unit of described powder spray doser.
Described runner lower member, rotating disk, quantitatively medicine groove, outer cartridge case and interior cartridge case, form the administration gauge assembly of described powder spray doser.
Shown in Fig. 3,4, the crown of described upper and lower vibration tooth is arranged in opposite directions, forms a single direction ratchet rotational motion secondary.
Further, described upper vibration tooth, with the center of rotation of described rotating disk for the center of circle, ring-type is distributed on the lower surface of described rotating disk; Described lower vibration tooth, with the center of rotation of described vibration gear for the center of circle, ring-type is distributed on the upper surface of described vibration gear.
Shown in Fig. 3, Fig. 4, the upper and lower vibration tooth described in it is unidirectional inclined-plane tooth.
Vibration gear described in it serves as principal oscillation parts.
Further, described interior cartridge case serves as time vibrating mass.
Spiral cover described in it is for driving described administration gauge assembly and substance or the work of dual-vibration medicine storage unit, realize the function of its administration metering and vibration or dual-vibration respectively, and then realize making whole doser have the convenience of good medicament kind adaptability and the adjustment of mechanical configuration parameter design vibrating effect, improve medicine storage unit in each administration process of whole powder spray doser supply the metering accuracy of medicated powder dosage.
When described spiral cover is along the first direction of rotation, namely counterclockwise (in the technical program, overlook downwards from the top of powder spray doser, state accordingly or judge that the direction of rotation of spiral cover is rotated counterclockwise or turns clockwise, when rotating to first anglec of rotation down together), spiral cover drives vibration tooth, now described rotating disk is not moved by vibration cingulum, vibration tooth and rotating disk produce relative motion, vibrate tooth to move up and down under the action of the spring simultaneously, to rotating disk and described in, outer cartridge case provides vibration source, realize carrying out vibrating with described medicine storage unit or the function of dual-vibration,
When described spiral cover is along the second direction of rotation, when namely rotating to second anglec of rotation clockwise, spiral cover drives vibration tooth, and vibration cingulum moves rotating disk and rotates along the second direction of rotation, now a medicine groove installing medicated powder is from rotating to ready position below cartridge case, realizes once " quantitatively " for medicine.
The first described anglec of rotation or second anglec of rotation are greater than 0 °, are less than or equal to 360 °.
Further, the first described anglec of rotation or second anglec of rotation are 60 °.
The first direction of rotation described in it is contrary with the second direction of rotation.
In the operating process that reality uses, when spiral cover 8 rotates to first anglec of rotation along the first direction of rotation (be counterclockwise from the words viewed from the depression angle at powder spray doser top), drive vibration gear 12 is rotated, now rotating disk does not rotate under the position-limiting action of its circumferentially set ratchet 3c, relative motion (coaxial rotation) is produced between vibration gear and rotating disk, due at vibration gear and rotating disk in conjunction with on end face, be respectively arranged with, lower vibration tooth 3b and 12a, when then producing relative motion between vibration gear and rotating disk, under the elastic force effect of spring 13, the mutual changing of the relative positions is produced between two groups of vibration tooth 3b and 12a, vibration gear is caused constantly to knock rotating disk, produce vibrating effect, this vibrating effect conducts on the outer cartridge case that is positioned on runner lower member by rotating disk, produce the first heavy vibrating effect.
Meanwhile, along with the vibration of outer cartridge case, synchronous can be passed to by the percussion vibration of vibration gear and be arranged on outer cartridge case cartridge case, in driving, free vibration is done in the inside of cartridge case cartridge case outside; The synchronous vibration of described interior cartridge case, produce the second heavy vibrating effect, make the drug powder being arranged in medicated powder storage capsule, can flow in quantitative medicine groove more uniformly, can guarantee that powder spray doser is in each administration process better, medicated powder storage capsule supply the metering accuracy of single-dose powder amount.
In the technical program, by changing the elastic force of the quantity, height and the spring that vibrate tooth, the power of medicine storage unit body vibration effect can be adjusted, improves the metering accuracy of medicated powder powder chemical feeding quantity.
Also can according to the mobility physical index of medicated powder powder, by regulating the size of the base angle of inside and outside cartridge case and interior cartridge case quality, regulate and guarantee the prescribe medicine metering accuracy of single-dose powder amount further, make powder spray doser have good medicament kind adaptability and the convenience of mechanical configuration parameter design modifying.
As shown in Figure 5, described interior cartridge case is the tubular structure of a hollow, and its lower end diameter, is less than the upper end diameter of interior cartridge case, the longitudinal profile structure of described interior cartridge wall, is a up big and down small inversion isosceles trapezoidal structure.
In Fig. 6 to Fig. 9, give the inhalation step of powder spray doser described in the utility model, described in it, the medicated powder storage capsule of powder spray doser comprises the outer cartridge case be fixed on described runner lower member; Powder spray doser described in it completes whole inhalation process in accordance with the following steps:
A1, remove enclosing cover;
B1, along the first direction of rotation, manual rotation spiral cover to the first rotary angle position;
C1, in first time of spiral cover in rotary course, vibration tooth produces relative motion with rotating disk, vibrates, realize the vibrating function to described medicine storage unit to rotating disk and described outer cartridge case generation;
D1, along the second direction of rotation, manual rotation spiral cover to the second rotary angle position;
E1, patient suck medicated powder through suction nozzle;
F1, cover enclosing cover, terminate once to inhale medicine use procedure.
Further, described powder spray doser completes whole " for medicine-administration " process according to following order:
A11, remove enclosing cover, remove the restriction of accidental rotation preventing machinery;
B11, along the first direction of rotation, manual rotation spiral cover to the first rotary angle position, the first administration fillistered joint of described administration gauge assembly turntable by described medicated powder storage capsule for medicine, realize the once metering to drug powder;
C11, in first time of spiral cover in rotary course, vibration tooth produces relative motion with rotating disk, vibrates, realize the vibrating function to described medicine storage unit to rotating disk and described outer cartridge case generation;
D11, along the second direction of rotation, manual rotation spiral cover to the second rotary angle position; The the first administration groove containing medicated powder aims at the feeding opening of described flow path features, completes for medicine process, makes patient suck medicated powder and possess prerequisite;
Due to original with aforementioned the applicant " dry powder drug administration device " technical scheme compared with, the powder spray doser of the technical program, from each rotation 120 ° originally, makes into rotate 60 ° now at every turn; And cartridge case still differs 120 ° with the position of runner feeding opening; So when operating this powder spray doser, the first administration groove needs operation twice below cartridge case, just can aim at runner feeding opening.So for the technical program, when new powder spray doser first time uses, need continued operation just can be drawn onto medicine twice, second inhales (or title second agent medicine) only need operate once just passable backward at every turn.
This feature of this powder spray doser is determined by two factors: (1) anglec of rotation, the difference angle of (2) cartridge case and runner feeding opening position; (1) groove and under the relation decision cartridge case of (2) needs operation could arrive runner feeding opening several times.
E11, patient suck medicated powder through suction nozzle, gas for delivering medicated powder enters dry powder drug administration device from air inlet, along flow path features to feeding opening, the medicated powder in dosed administration dish first administration groove is sent in patient lungs's body through suction nozzle through airflow entrainment, completes administration process;
F11, cover enclosing cover, terminate once to inhale medicine use procedure.
The inhalation step stating powder spray doser described in the technical solution of the utility model also has following distortion, and the medicated powder storage capsule of powder spray doser described in it comprises the outer cartridge case be fixed on described runner lower member and the cartridge case being arranged in outer cartridge case; It is characterized in that described powder spray doser completes whole inhalation process in accordance with the following steps:
A2, remove enclosing cover;
B2, along the first direction of rotation, manual rotation spiral cover to the first rotary angle position;
C2, in first time of spiral cover in rotary course, vibration tooth produces relative motion with rotating disk, vibrates, realize the dual-vibration function to described medicine storage unit to rotating disk and described inside and outside cartridge case generation;
D2, along the second direction of rotation, manual rotation spiral cover to the second rotary angle position;
E2, patient suck medicated powder through suction nozzle;
F2, cover enclosing cover, terminate once to inhale medicine use procedure.
Further, described powder spray doser completes whole " for medicine-administration " process according to following order:
A21, remove enclosing cover, remove the restriction of accidental rotation preventing machinery;
B21, along the first direction of rotation, manual rotation spiral cover to the first rotary angle position, the first administration fillistered joint of described administration gauge assembly turntable by described medicated powder storage capsule for medicine, realize quantitatively for medicine;
C21, in first time of spiral cover in rotary course, vibration tooth produces relative motion with rotating disk, vibrates, realize the dual-vibration function to described medicine storage unit to rotating disk and described inside and outside cartridge case generation;
D21, along the second direction of rotation, manual rotation spiral cover to the second rotary angle position; The the first administration groove containing medicated powder aims at the feeding opening of described flow path features, completes for medicine process, makes patient suck medicated powder and possess prerequisite;
E21, patient suck medicated powder through suction nozzle, gas for delivering medicated powder enters dry powder drug administration device from air inlet, along flow path features to feeding opening, the medicated powder in dosed administration dish first administration groove is sent in patient lungs's body through suction nozzle through airflow entrainment, completes administration process;
F21, cover enclosing cover, terminate once to inhale medicine use procedure.
In the technical program, when spiral cover rotates, vibration gear 12 is driven to rotate, due at vibration gear and rotating disk in conjunction with on end face, be respectively arranged with upper and lower vibration tooth 3b and 12a, when then producing relative motion (coaxially rotating backward) between vibration gear and rotating disk, under the elastic force effect of spring 13, the mutual changing of the relative positions is produced between two groups of vibration tooth 3b and 12a, vibration gear is caused constantly to knock rotating disk, producing vibrating effect to rotating disk and described inside and outside cartridge case, wherein, is the relative motion perpendicular to dial rotation direction between interior cartridge case and outer cartridge case;
The powder spray doser of technical solutions of the utility model only needs in the counterclockwise direction in use and manual rotation spiral cover is each once along clockwise direction, can realize once complete " for medicine-administration " process.
Because this utility model adopts substance or dual-vibration pattern to the drug powder in medicated powder storage capsule, make doser have the convenience of good medicament powder adaptability and the adjustment of mechanical configuration parameter design vibrating effect, with guarantee better medicine storage unit in each administration process of whole powder spray doser the metering accuracy of confession medicated powder dosage; Meanwhile, simplify the operating procedure of whole powder spray doser, the use for patient provides better operation ease.
This utility model can be widely used in design, the manufacture field of the powder spray doser of all size.
Claims (4)
1. a powder spray doser, comprise and be arranged on medicated powder storage capsule in doser housing and administration gauge assembly, have suction nozzle in the arranged outside of housing, the inside of housing is provided with flow path features, described flow path features successively gas circuit connects air inlet, administration gauge assembly and suction nozzle; It is characterized in that:
Described doser housing is made up of the upper cover of coaxial package successively, housing and lower house, is provided with a spiral cover in lower house lower end;
Flow path features described in it is made up of runner upper member and runner lower member, and described runner upper member and runner lower member fasten and be structure as a whole, and forms a complete runner gas circuit;
Administration gauge assembly described in it at least comprises a rotating disk, sets gradually a vibration gear and a spring in the below of rotating disk; Described rotating disk, vibration gear and spring coaxial package;
On the lower surface of described rotating disk, be provided with on a circle and vibrate tooth; On the upper surface of described vibration gear, under being provided with a circle, vibrate tooth; At least one ratchet is circumferentially provided with at described rotating disk;
The upper surface of described rotating disk is provided with several quantitative medicine groove, and described several quantitative medicine groove is along the circumference uniform distribution of described rotating disk;
Medicated powder storage capsule described in it comprises the outer cartridge case be fixed on described runner lower member;
Spiral cover described in it, spring, vibration gear, rotating disk and the outer cartridge case be arranged on described runner lower member, form the vibration medicine storage unit of described powder spray doser;
Spiral cover described in it is for driving described administration gauge assembly and the work of vibration medicine storage unit, realize the function of its administration metering and vibration respectively, and then realize making whole doser have the convenience of good medicament kind adaptability and the adjustment of mechanical configuration parameter design vibrating effect, improve medicine storage unit in each administration process of whole powder spray doser supply the metering accuracy of medicated powder dosage.
2., according to powder spray doser according to claim 1, it is characterized in that, in described outer cartridge case, being also provided with an interior cartridge case; Described interior cartridge case is nested in described outer cartridge case, and described interior cartridge case can move freely in described outer cartridge case;
Described spiral cover, spring, vibration gear, rotating disk and the inside and outside cartridge case be arranged on described runner lower member, form the dual-vibration medicine storage unit of described powder spray doser;
Spiral cover described in it, for driving described administration gauge assembly and the work of dual-vibration medicine storage unit, realizes the function of its administration metering and dual-vibration respectively;
Wherein, described vibration gear serves as principal oscillation parts, and described interior cartridge case serves as time vibrating mass.
3. according to powder spray doser according to claim 2, it is characterized in that described interior cartridge case is the tubular structure of a hollow, its lower end diameter, is less than the upper end diameter of interior cartridge case, the longitudinal profile structure of described interior cartridge wall is a up big and down small inversion isosceles trapezoidal structure.
4. according to powder spray doser according to claim 1, it is characterized in that, in the outside of described suction nozzle, being provided with enclosing cover, for closing described suction nozzle and the port of export of described runner gas circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460095.5U CN204766902U (en) | 2015-06-30 | 2015-06-30 | Powder spray device of dosing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520460095.5U CN204766902U (en) | 2015-06-30 | 2015-06-30 | Powder spray device of dosing |
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| CN204766902U true CN204766902U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267484A (en) * | 2016-08-08 | 2017-01-04 | 中山市美捷时包装制品有限公司 | A kind of quantitative feeding mechanism of powder inhaler |
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2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267484A (en) * | 2016-08-08 | 2017-01-04 | 中山市美捷时包装制品有限公司 | A kind of quantitative feeding mechanism of powder inhaler |
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Address after: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park Zuchongzhi Road No. 1500 Building 8 Room 107 Patentee after: Shanghai Chen state pharmaceutical Polytron Technologies Inc Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park Zuchongzhi Road No. 1500 Building 8 Room 107 Patentee before: Shanghai Chenpon Pharmaceutical Technology Co., Ltd. |