CN2829763Y

CN2829763Y - Dry powder inhalator

Info

Publication number: CN2829763Y
Application number: CN 200520023244
Authority: CN
Inventors: 王高峰
Original assignee: Tianjin Bokelin Medicine Packaging Technology Co Ltd
Current assignee: Tianjin Bokelin Medicine Packaging Technology Co Ltd
Priority date: 2005-09-07
Filing date: 2005-09-07
Publication date: 2006-10-25
Anticipated expiration: 2015-09-07

Abstract

The utility model provides a powdered medicine distributing device, which comprises a main pipe, a leather ball and a spout, wherein the outer wall of the main pipe is fastened with a push pipe. An installation bracket is arranged in the push pipe, and the push pipe is provided with a pricking pin. The pricking pin and the installation bracket are positioned on hollow positions in the main pipe. The utility model has the advantages of scientific and novel design, convenient operation and low cost.

Description

Powder inhaler

Technical field

This utility model relates to a kind of powder inhaler, and particularly a kind of powder inhaler that is used for powder spray cooperates the capsule that powder spray is housed to use simple structure and easy operating.

Technical background

Powder spray (powder inhalation, PI) be meant one or more medicine, enter respiratory tract with dry powder form after special doser administration, a kind of drug-supplying system of performance whole body or local action has targeting, efficient, quick-acting, characteristics such as toxic and side effects is little.Powder spray is on the basis of aerosol, for overcoming the deficiency of aerosol, and the knowledge of comprehensive powder technology and a kind of novel form of growing up, it is easy to use, does not contain propellant, and medicine is powdery, good stability, interference factor is few, thereby is subject to people's attention day by day.

The existing most complex structure of suction apparatus that is used for powder spray, manufacturing cost is higher.In addition, existing powder spray majority needs user initiatively to suck medicine, and the effect of its use is subjected to the influence of the using skill of user easily.Patent of invention 01806260.1 discloses a kind of multi-dose dry powder blister package, comprising: the platform body, and it comprises the piezoelectric material layer with opposite first and second first type surfaces; As individual a plurality of first metal trace, be arranged on described first first type surface of described piezoelectric material layer each other, described a plurality of first metal trace are configured to comprise power transmission line and active bed course district; Apart a plurality of second metal trace, be arranged on described second first type surface of described piezoelectric material layer, in described a plurality of second metal trace each settled respectively like this, promptly aim at red corresponding one of described a plurality of first metal trace be separated by with it, thereby form corresponding a pair of opposite metal trace, extending between the two can independent operated electric excitation path; And be formed on a plurality of pits in the described platform body, they are configured to the dry-powder medicament of scheduled volume is contained in wherein, each described pit is placed in respectively on the described platform body, with cover corresponding a pair of first and a plurality of second metal trace active bed course separately on.It is characterized in that, in operation, poor in response to the driving voltage that is applied on described in can independent operated electric excitation path selected one, described piezoelectric material layer is in the distortion of described active bed course district, thereby initiatively described dry-powder medicament provided from described pit.

It can be seen from the above, the multi-dose dry powder blister package of this patent has higher requirement to manufactured materials, and complex structure, also need the cover can independent operated electric excitation path, its manufacturing cost of such suction apparatus is inevitable very high, for user, increased non-essential financial burden.And the fact also exactly shows, the ease of use of suction apparatus and price have become in the market influences the key factor that powder spray is promoted.

Summary of the invention

At the problems referred to above, the purpose of this utility model is to provide a kind of simple structure and wieldy powder inhaler, comprising: spout, have an opening and a blind end, and described blind end has a spray orifice hole, is the powder spray outlet; The main body pipe, its first opening is fixedlyed connected with the opening of spout, and has one and can hold the capsular chamber of powder spray; Ball, its opening are set in second opening of main body pipe, and the opening diameter of described ball utilizes the elastic force of ball that ball is entangled firm on the main body pipe less than the main body pipe second opening diameter; The chassis is fixedly installed on bottom relative with its opening on the ball, and its shape is arranged to allow the inside and outside circulation of air of ball; Ejector sleeve, be set in movably on the described main body pipe, and the centre in ejector sleeve is provided with a pricker, one end of pricker is fixed on the ejector sleeve, free end is positioned at the position of main body pipe near chamber, when ejector sleeve relative to the main body pipe when the spout direction moves, pricker also moves thereupon and punctures the capsule that is placed in the chamber, so the length of pricker is advisable can penetrate capsule at ejector sleeve in the scope that the main body pipe moves at least.

Further, in order to realize the purpose of this utility model better, described spout can also be arranged to have a plurality of spouts, and is more convenient to use.Described ejector sleeve also can be arranged to have rough outer surface, increases frictional force, and user promotes ejector sleeve can be more laborsaving.In addition, an all right sheathed spray medicated cap can be protected spout better on the described spout.Can also add a defecator on the described chassis, to reach the purpose that purifies the air that enters ball.

Beneficial effect of the present invention is: simple in structure, price is economical, relatively be fit to consumers in general.

Description of drawings

To realize this utility model in order further disclosing, to be described in more detail below with reference to accompanying drawing:

Fig. 1 is the assembling sketch map of one of this utility model embodiment;

Fig. 2 is the main body tubular construction sketch map that amplifies;

Fig. 3 is the ejector sleeve structural representation that amplifies;

Fig. 4 is the chassis structure sketch map that amplifies;

Identical label is represented identical parts among the figure:

1-base 2-chassis 3-main body pipe 4-ejector sleeve 5-spout 6-sprays medicated cap

7-ball 8-pricker 9-cavity 10-check (non-return) valve

The specific embodiment

Below by preferred embodiment this utility model is described, but do not constitute restriction of the present utility model.

As shown in Figure 1, the powder inhaler for one of this utility model preferred embodiment comprises: base 1, chassis 2, main body pipe 3, ejector sleeve 4, spout 5, spray medicated cap 6, ball 7, pricker 8 and check (non-return) valve 10.

Wherein, first opening of main body pipe 3 is arranged to have the chamber 9 that adapts with the capsular shape size of powder spray, is used to place capsule, and chamber 9 links to each other with funnelform passage, and pricker 8 can touch capsule in the chamber 9 by funnelform passage.Second opening of main body pipe 3 then is arranged to trumpet-shaped opening, and the diameter of opening is greater than the opening diameter of ball 7, thereby makes ball 7 difficult drop-offs that are set on the opening.First opening of the opening of spout 5 and main body pipe 3 is to be threaded, and its blind end then has a center of orifices and the equally distributed auxiliary spray hole (not shown) of several Flos Mume shapes.The blind end of spout 5 also is provided with a spray medicated cap 6, is used to cover the spray orifice on the spout 5.Ejector sleeve 4 is set on the main body pipe 3 movably, and pricker 8 is fixed on center (as shown in Figure 3, being provided with fixed support in the ejector sleeve 4) in the ejector sleeve 4, is placed in the main body pipe 3, can move relative to main body pipe 3 with ejector sleeve 4.

In conjunction with Fig. 2 and Fig. 3, the outer surface of main body pipe 3 has prominent ring A, B and C, is respectively arranged with groove on wherein prominent ring A and the C; And the inner surface two ends of ejector sleeve 4 have the cyclic projection in two places respectively, match with described groove, then can provide a kind of locate mode for main body pipe 3 and ejector sleeve 4.When on ejector sleeve 4, applying suitable external force, can make the groove on the circular protrusion disengaging main body pipe 3 on the ejector sleeve 4, then ejector sleeve 4 can move relative to main body pipe 3; Otherwise, the circular protrusion on the ejector sleeve 4 is pushed back in the groove on the main body pipe 3, then can make ejector sleeve 4 stop to move.Use for convenience, the surface of ejector sleeve 4 is provided with to be has rough small rut, the frictional force when promoting ejector sleeve 4 to increase.Usually, be interference fit between ejector sleeve 4 and the main body pipe 3, thereby ejector sleeve 4 can not come off from main body pipe 3.

The bottom of ball 7 is provided with chassis 2 and base 1, air can enter from the passage on base 1 and the chassis 2 in the ball 7, also be placed with check (non-return) valve 10 in the passage on chassis 2, check (non-return) valve 10 is for having the thin net sheet of micropore, micronic dust and harmful substance in can filtered air.

As shown in Figure 4, be the structural representation on chassis 2, the middle-end position on chassis 2 is provided with a groove, the diameter of groove is greater than the hole of ball bottom, utilize the elastic force of ball 7 self, chassis 2 is inserted in the ball from taper position, top, then ball 7 can be fixed on the chassis 2.

When using the powder inhaler that the foregoing description provides, unclamping screw thread earlier removes spout 5 from main body pipe 3, refill spout 5 after the powder spray capsule put into cavity 9, promote ejector sleeve 4 then to the precalculated position, make pricker 8 penetrate capsule 9 forward, again ejector sleeve 4 pushed home are put, squeeze ball 7 then repeatedly, just the powder spray in the capsule can be discharged by the spray orifice on the spout 5.

More than describe powder inhaler of the present utility model in detail by preferred embodiment, those of ordinary skill in the art should be appreciated that in the scope that does not break away from this utility model essence and spirit, can carry out certain modification and distortion to it.

Claims

1, a kind of powder inhaler comprises:

The main body pipe, its first opening has one can hold capsular chamber;

Spout, its opening links to each other with first opening of described main body pipe, and its sealed end has a centre bore;

Ejector sleeve is set on the described main body pipe movably;

Pricker, one end are fixed in the described ejector sleeve, and free end is located in the described main body pipe near the chamber place;

Ball, its opening are set in second opening of described main body pipe regularly;

The chassis is fixedly installed on bottom relative with opening on the ball, and its shape is arranged to allow the inside and outside circulation of air of ball.

2, powder inhaler as claimed in claim 1 is characterized in that, also comprises a spray medicated cap, removably is set in the blind end of described spout.

3, powder inhaler as claimed in claim 1, it is characterized in that, also comprise a check (non-return) valve and a base, but described check (non-return) valve is the tablet of micropowder in the filtered air, be arranged on the opening part on described chassis, described base is fixedlyed connected with the opening on chassis, and is arranged to the shape that can prevent that check (non-return) valve from coming off and allowing air to pass through.

4, powder inhaler as claimed in claim 1 is characterized in that, the blind end of described spout also is provided with some apertures.

5, powder inhaler as claimed in claim 1 is characterized in that, second opening of described main body pipe is tubaeform, and its bell-mouthed diameter is greater than the diameter of ball opening part.

6, powder inhaler as claimed in claim 1 is characterized in that, the outer surface of described ejector sleeve is rough rough surface.

7, powder inhaler as claimed in claim 1 is characterized in that, between described spout and the main body pipe by being threaded.

8, powder inhaler as claimed in claim 1 is characterized in that, the length of pin is at least at ejector sleeve can penetrate capsule in the scope that the main body pipe moves.