CN85106740A

CN85106740A - Inhaler

Info

Publication number: CN85106740A
Application number: CN 85106740
Authority: CN
Inventors: 英格·布鲁格·伯恩·里茨奥; 斯蒂芬·布鲁格
Original assignee: Individual
Current assignee: Individual
Priority date: 1985-09-06
Filing date: 1985-09-06
Publication date: 1987-03-25

Abstract

A kind of inhaler utilizes that pressure gas stream makes that liquid or powder atomize in gas, disperse and mix with it and generate the mist agent.Connection tube and a mist agent outlet that the atomising head of this inhaler is calmed the anger by a center shower nozzle, supply are formed, and this atomising head has the profile of approximate spheroid.This inhaler also has a handle of being made up of two hollow components, and handle one end is hinged, and the hollow parts of the other end and the shape of atomising head adapt, and is used for this atomising head of clamping.

Description

Inhaler

This invention is about a kind of inhaler.This inhaler is by the atomising head of center band nozzle, links the joint that the pipeline of calming the anger goes and leads to patient and form with the mist agent outlet connection that valve goes, and it can utilize to calm the anger and make liquid and granular goods atomize therein, disperse and blending and the agent of formation mist mutually.

Such atomising device is at DE-PS927, narrates in 920.An air damper is equipped with in the exit of calming the anger in this device, its base connects to the outlet sleeve of calming the anger and makes most of air-flow expand to fan-shaped just here, need the article of atomizing just be placed under and be sent in the fan-shaped air-flow, therefore, can guarantee that these article that need atomize mix fully with calming the anger.In fact calm the anger in the mist agent therapy and all make of air, people just can obtain the suspended substance of the small and dispersed of those liquid or the quick-acting things of powdery in air thus.

If want existing aerosol apparatus is used a new patient or use a kind of different mist agent and treat in the therapy and go on one's body, then must take it come apart earlier and thoroughly cleaned after, could put into new quick-acting things in the container of the quick-acting things of Shengs.Such cleaning will expend many times.Also need in many cases same patient's repetitive therapy, all must same quick-acting things be installed in the aerosol apparatus again for this reason at every turn.

A kind of atomising device was in addition also narrated in DE-PS1147355.

Purpose of the present invention is exactly to make a kind of inhaler as the above-mentioned type, this inhaler since operation with parts with spray and to separate with parts, and make these parts, promptly more changing jobs of atomising head and handle becomes simple.Atomising head comes usefulness because of simple in structure, firm and be convenient to disassembly, cleaning and can make " special messenger's " atomising head, can make it and handle break away from and be equipped with easily to go up for the various active drugs of given patient special use and deposits.When reusing, only need simply it to be linked on the handle just can connect with pressurized air source.

After adopting this handle and atomising head separated structures, handle also can be made than known nebulizer from the more favourable style of ergonomics, uses because of the latter is used as handle to shell wall only simply.This atomising head is owing to replace easily, thereby same handle can many atomising heads of adapted, as long as quantity is prepared enough, cleaning just can not delay spray time.

The sort of inhaler of mentioning in the foreword just can reach these purposes.Its feature is to have a handle, and this handle is made up of two hollow parts in addition that couple together with diaphragm in the lower end, also has an atomising head, and this atomising head has the shape of an approximate spheroid that is subjected to the encirclement of hollow part in addition and adapts with its hollow space.

This invents in the said inhaler other various useful concrete devices and lists in every dependent claims.

For this new inhaler is described, accompanying drawing can be for reference, wherein:

Fig. 1 represents the center longitudinal sectional drawing of new inhaler;

Fig. 2 represents the perspective view of each parts of inhaler shown in Figure 1, and handle has been drawn as the shape of opening, and the situation that the main part in addition of atomising head then comes with dismounting is drawn in the handle left side.

From Fig. 1 as seen, inhaler mainly is made up of the atomising head 1 that is positioned at handle 2 tops.

As can be seen, handle 2 is made up of a hollow left semi-handle 3 and hollow right semi-handle 4 from the figure on Fig. 2 the right, and two semi-handles then link with diaphragm hinge 43 in their lower end.Hollow two semi-handles 3 and 4 have slightly rectangular transverse section, then make hollow hemisphere 5 and 6 on their top.Accompany one up and down between two parts and be seen as favourable minute angle, so, when user uses to hold inhaler, just can keep a gesture that is difficult for feeling fatigue from ergonomics.For this purpose, holding partly is at half hole 10a, a near angle of the deflection slightly 10b, and hole 10 is in order to allow the calm the anger joint 21 of body 30 reveal the outside and come usefulness, as shown in Figure 1.

Two and the half hole 7a at two hollow hemisphere tops, 7b, be for overhanging cylinder 41 usefulness of laying coaxial steam line 28 tops, two and

half hole

8a, 8b then is used to support mist agent outlet 29 on the atomizing skull 19, facing to half hole 8a, the two and half hole 9a of 8b, 9b then can allow and pass through facing to the spheroid cross section, rear portion of mist agent outlet 29 on the atomising head 1 at Fig. 2 rear.Two and half hole 10a, 10b is holding around connection tube 21, and this pipe connects with pressurized air source by a stop valve, and this valve can be manipulation simply, do not show on figure.

Two locking plates all are housed on each hollow semi-handle, and what adorn on the left semi-handle is the lock ear 11 that has corresponding aperture 13, these holes be used to admit latch hook 12 on the right semi-handle with projection 14.The mutual location of these two semi-handles is also owing to the cooperation of vallum 16 homophases around semi-handle 3 edges to the complementary surface 17 of semi-handle 4 edges gets help.

Atomising head 1 is made up of six parts altogether.Only expressed three parts in the exploded view in Fig. 2 left side, promptly with the container 18 of four spacer fins 40, the top cover 19 of lining 20 and band mist agent outlet 29.Spacer fin 40 also can be made its bearing and use after container 18 takes out from semi-handle 3,4.Coaxitron 28 and mist agent outlet 29 have made one with top cover 19.Coaxitron 28 makes cylindrical shape.From the perspective view of Fig. 2 as seen, the transverse section approximate ellipsoidal of outlet.As shown in Figure 2, deflecting plates 31 is being close to cylindrical duct 28.Air supply pipe 28 also can be integral with deflecting plates 31, but the structure that separates can be simplified the cleaning after the use.

Container is partly formed by three: container 18 is own, nozzle 23 and gas flow controller 27.Nozzle is contained in internal tank, and is placed in the lower end of container 18 with its columnar base.Gas flow controller 27 is contained on the nozzle 23.These three parts all are illustrated on the exploded view in Fig. 2 left side.To together, just can express the situation after the assembling to their slippages vertically.Like this, just available its cylinder flange 34 of lining 20 links together with container 18.Its flange 36 is put on the ring-type convex shoulder 37 of container 18 upper end-face edges.At last, top cover 19 just is being with lining 20 to be installed in together on the container 18, and the result has just become a spheroid that slightly is egg type as shown in Figure 1.Such atomising head is independently parts, can take out from inhaler and is that base is laid (not being with handle 2) with floor 40.

The structure of atomising head 1 why can short and small compactness, is owing between form local of mist agent and its outlet, loaded onto some baffle plates, and make coaxial air supply pipe 28 contraction in lengths cause.In these baffle plates, at first be the deflecting plates 31 that is positioned at pipe 28 bottoms.It is to utilize partly 31a of overhanging cylinder, puts and is contained in air supply pipe 28 ends from bottom.It also can optionally be integral with air supply pipe.The mist agent district 38 and 39 that forms at gas flow controller 27 deflector surface places, can interact with the inwall of bell deflecting plates 31, and making bigger mist agent granule on this wall, further reduce and become needed size, its size range is roughly between the 0.5-5 micron.Bigger droplet is from the edge 32 of deflecting plates 31 by carrying-off and in the atomizing material 26 in the container 18 that falls back.Mist agent stream is after this, must between air supply pipe 28 and lining 20, flow through around edge 32, therefore also will be along the second edge, promptly 33 places, edge of lining 20 are flow through, and more too big droplets just here are eliminated and flow back in the atomizing material 26 of 18 li in container along the inwall of wall 35.In the case, though aerosol apparatus 1 structure is less, can produce a kind of mist agent that is applicable to lung.From this mist agent of outlet 29 ejections with the supply patient, its particles contained big or small major part all meets the requirements.

The model of action that produces the mist agent is very clearly.Enter calming the anger of connection tube 21 by arrow 30 directions in Fig. 1, an external valve of not expressing on the available figure is controlled with patient respiration synchronised ground, and the body of then calming the anger just can arrive at center suction passage 22.Passage top is tapered and forms a narrow and small nozzle.The gas is here sobbed and atomizing material 26 is inhaled by lateral suction passage 24,25 owing to flow at high speed, and by the deflector surface acceleration facing to gas flow controller 27, gas flow controller is positioned at the opposite of nozzle 23 upper air-vents.Two strands of side direction mist agent streams form on the deflector surface that gas flow controller 27 tilts like this, and the inwall of contiguous deflecting plates 31 is carried out intense impact, thereby have improved its particulate size range, become a kind of mist agent that lung absorbs that more helps.

Also working in coordination in above-mentioned mode in the edge 32 of deflecting plates 31 and the edge 33 of lining 20, has become the additional filtering device and the scope of granular size is improved.Those too big granules are cleared out of in mist agent stream, and get back in the atomizing material 26 of 18 li in container.In the same way, drip edge 44 has also improved the filter effect of

edge

32 and 33, and when the mist agent outlet 26 of flowing through leaves before the inhaler, bigger granule is just therefrom removed.For guaranteeing that the liquid that is guided out from drip edge 44 also can flow back to atomizing source 26, so have aperture 45 in the ball wall bottom of top cover 20.

Press the inhaler of DE-PS1 147 355 usefulness driven compressor, the similar test of structure of producing with other factory is compared with inhaler in the past, though also better (referring to the commodity test Za Chi of association, June nineteen eighty-three the 32-37 page or leaf, particularly the 36th page), and use inhaler of the present invention, let it be to the greatest extent, and structure height is littler than common medical treatment device, intrathoracic mist agent ratio to mist agent therapy particular importance is had surpass 50% considerable growth, relevant therewith drug inspection is by carrying out with the said same procedure of above-mentioned Za Chi.

Injection molding method by suitable synthetic material manufacturing inhaler equally also can be used to produce very cheap atomising head.Such atomising head also can be used as single channel head or dedicated head, when using spraying continuously to all kinds of patients or with different pharmaceutical, just can avoid expending time on cleaning.

Certainly, atomising head also can clean and deposit, so that reuse.

To inpatient or outpatient, when needing every day multiple mist agent therapy being treated, preferably adopt this inhaler.Like this, as long as simply atomising head is being taken out in handle after the treatment, hang the lastblock name board and also be put into a suitable place, get final product so that use during the next time treatment.

Claims

1, inhaler, utilize that pressure gas stream makes that liquid or powder atomize in gas, disperse and mixed with it and generate the mist agent, the connection tube that the atomising head of this inhaler is calmed the anger by a center shower nozzle, supply and one link that mist agent outlet that patient goes with valve forms, and it is characterized in that:

This inhaler has one and forms, holding around the handle (2) of atomising head by two hollow components, and these two parts are with a diaphragm hinge.Couple together in the lower end of its shank; Atomising head wherein has the shape of the intimate ball that a hollow part (5,6) with handle adapts.

2, according to this inhaler of claim 1, it is characterized in that:

For admitting the handle (2) of atomising head (1), be by two hollow semi-handles (3,4) constitute, they make hollow hemisphere (5 on top, 6) shape, so that admit atomising head (1), and have several localized locating flanges of floor (40) (15) that make at shank, these plates are positioned at the bottom of atomising head (1) lining container (18).

3, according to this inhaler of claim 2, it is characterized in that:

These two hollow semi-handles (3,4), be to utilize the lock ear (11) that is contained in their inside, match with the latch hook (12) that is contained in the hollow component of opposite, and because each hole (13) on the lock ear (11), same latch hook (12) goes up corresponding each projection (14) and cooperates with each other, and releasable linking together.

4, according to this inhaler of claim 1 or 2, it is characterized in that:

For atomising head (1) is located in handle (2), the other end relative on handle with hinged end, promptly with the overhanging pipe of air intlet pipe (28) (41) joint partly, do fluted (7a, 7b); Be the connection tube of fixedly calming the anger (21), also do fluted (10a, 10b).

5, according to this inhaler of claim 1 to 4, it is characterized in that:

Two hollow semi-handles (3,4) of handle (2) in the zone of trip edge, have periphery flange (16) between them, perhaps have the groove (17) that matches with edge flange on the hollow component of opposite.

6, according to this inhaler of claim 1, it is characterized in that:

Atomising head (1) is the shower nozzle (23) by a band gas flow controller (27) and a container (18) that holds to need aerosol (26), the top cover (19) of a band air supply pipe (28), and an interstage bushing (20) that extends is inwards formed.

7, according to this inhaler of claim 6, it is characterized in that:

Air supply pipe (28) is to be arranged to co-axially with top cover (19), and is integral with it.

8, according to this inhaler of claim 7, it is characterized in that:

Air supply pipe (28) is carrying one and is having the partly deflecting plates (31) of (31a) of cylindrical shape elongation, and the endoporus that this elongation partly is a same air supply pipe (28) matches.

9, according to this inhaler of claim 8, it is characterized in that:

Be bell downward and outside deflecting plates (36), stretch out into annular or paraboloidal, and the ring-type free space of atomising head (1) is dwindled, and the mist agent is risen.

10, according to this inhaler of claim 9, it is characterized in that:

The edge (32) of deflecting plates (31) is stretched over downwards on the plane of front surface of shower nozzle (23).

11, according to this inhaler of claim 6, it is characterized in that:

Lining (20) has one inwardly and stretch upwards cone-shaped wall (35) into top cover (19), and the outer surface of the same air supply pipe of its top edge (33) (28) marks off another annular space, and the mist agent just is directed to exit passageway through here.

12, according to this inhaler of claim 11, it is characterized in that:

Drip edge (44) is positioned on the inwall of top cover (19).This drip edge, work in coordination in edge (32) on the same deflecting plates (31) and the edge (33) on the lining (20), and make those bigger granules in such yaw motion, can separate and get back to from mist agent stream needs atomizing stockpile (26) lining in the container (18).

13, according to this inhaler of claim 6, it is characterized in that:

Container (18) portion edge has thereon been done annular convex shoulder (37), and lining (20) abuts against on this convex shoulder by its flange (36).