CN2865724Y - Powder vapor inhalator - Google Patents
Powder vapor inhalator Download PDFInfo
- Publication number
- CN2865724Y CN2865724Y CN 200620039263 CN200620039263U CN2865724Y CN 2865724 Y CN2865724 Y CN 2865724Y CN 200620039263 CN200620039263 CN 200620039263 CN 200620039263 U CN200620039263 U CN 200620039263U CN 2865724 Y CN2865724 Y CN 2865724Y
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- CN
- China
- Prior art keywords
- suction pipe
- powder
- powder spray
- suction apparatus
- air intake
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- Expired - Lifetime
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Abstract
A suction unit for atomizing powder agent. It is comprised of the power tray with bubble cap structure and suction pipe. The section inserting into the tray forms the suction pipe section; the other end comprises the suction pipe of the inserting pipe section; in the suction pipe section of the suction pipe, two air intake ducts are set at the position 0.1-0.5mm to the joint place of the suction pipe and inserting pipe; the side wall of the air intake ducts contacts with the internal cavity wall and distributes symmetrically along the neutral axis of the suction pipe; the bubble cap structure for the powder tray can be taken for the package of medicine. This utility model has the advantages of simple structure and excellent reliability.
Description
Technical field
This utility model relates to a kind of medicinal inhalation devices, is specifically related to a kind of powder spray suction apparatus.
Background technology
Sucking powder spray is that the active medicine micropowder is drawn into the bronchial pharmaceutical preparation of pulmonary, be generally used for preparation and directly act on bronchial medicine, also can be used for medicine that insulin delivery etc. can not absorb from digestive tract to pulmonary, absorb from pulmonary and enter blood circulation, the effect whole body.Need special suction apparatus when using this preparation.
In the prior art, the suction apparatus of powder spray exists complex structure, defective that reliability is lower.China's utility model patent 03229453.0 discloses the dust cloud inhaler that a kind of powder spray that will be filled in the capsule for medicine carries out administration.This dust cloud inhaler overall structure is complicated, is made of lid, mouthful haustorium and chassis, and a mouthful haustorium comprises suction nozzle, screen cloth and swivelling cover again, and the chassis then comprises medicine bag groove, air-flow rotatable cabin, gas channel, acupuncture through hole, pricker, thorn needle spring etc.Because the effective object of this inhaler is the capsule medicament, the medicated powder in the capsule need can throw away the formation dust cloud when in capsule is inhaled into the air-flow rotating room quick rotation taking place by the acanthopore on the softgel shell.When reality is used need through opening swivelling cover, in the medicine bag groove, keep flat capsule, close swivelling cover, by pressing button acanthopore, the air-breathing a plurality of consecutive steps such as fast rotational that capsule sucked in rotating room, the swirling eddy of capsule in air-breathing formation.When dry weather or other factors caused capsule shells more crisp, pricker punctured softgel shell and is easy to produce fragment in addition, and fragment sucks in the patient respiratory road and damages.Therefore the factor that influences successful administration is more, so reliability is lower.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, powder spray suction apparatus of having good stability, to overcome above-mentioned existing in prior technology defective.The powder spray suction apparatus that this utility model provides does not have movable part, directly acts on drug powder, can eradicate the danger that produces the capsule shells fragment in the use.
The technical scheme that its technical problem that solves this utility model adopts is: by the powder container of blister structure and an end that inserts in the powder container is duct segments, and the other end is that the suction pipe of intubate section is formed.On the duct segments of suction pipe, on the position of duct segments and intubate section intersection 0.1-0.5mm, two air intake ducts are arranged.
Powder spray suction apparatus provided by the utility model, suction pipe and powder container are two independent parts before use, according to this utility model, powder container can doublely be done pharmaceutical packing, need not through capsulation for the single dose powder spray medicated powder that sucks, and directly be filled in advance in the powder container of sealing, can single chamber one plate, also can be arranged on the plate by a plurality of chambers.Throw off the closure on the powder container during medication, vibration makes medicated powder concentrate on the blister bottom gently, the dark insertion powder container of suction pipe intubate section chamber, and formation is tightly connected.Patient's lips contain the duct segments upper end of suction pipe, extraneous air enters the suction pipe inner chamber by two air intake ducts that distribute that are centrosymmetric of the axis along suction pipe when air-breathing, and at inner chamber formation high speed eddy airstream, drive drug powder and form dust cloud, drug powder promptly sucks patient pulmonary with air-flow.After the medicine emptying, extract suction pipe from powder container, empty powder container can discard, and the recyclable repeated use of suction pipe.
Beneficial effect
1, the powder spray suction apparatus that the utility model proposes is made of powder container and suction pipe, does not have movable part, and is simple in structure, and Emptying Rate is up to 98%, and service efficiency is good, and is with low cost.
2, powder container has the function of powder spray packing concurrently in this utility model device, does not use capsule, thereby has eradicated capsule shells embrittlement and the danger that produces harmful fragment, and safety is good.
3, the using method of this utility model device is simple, good reliability, and patient's compliance is strong.
Description of drawings
Fig. 1 is the profile decomposing schematic representation of this utility model powder spray suction apparatus;
Fig. 2 is the vertical section structure sketch map of this utility model powder spray suction apparatus;
Fig. 3 is the vertical view of suction pipe;
Fig. 4 is the cross sectional representation of air intake duct.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this utility model is described further.
As Fig. 1, Fig. 2 and shown in Figure 3, in the present embodiment, the powder spray suction apparatus is a duct segments 101 by the powder container 2 of blister structure and an end that inserts in the powder container, the other end is that the suction pipe 1 of intubate section 102 is formed, on the duct segments 101 of suction pipe 1, the air intake duct 1013 that has two axis to be centrosymmetric and to distribute on the position of duct segments 101 and intubate section 102 intersection 0.1-0.5mm along suction pipe 1.The bore of powder container 2 is circular bore, and the bottom surface is a concave panel.The tube wall periphery 1011 of the duct segments 101 of described suction pipe 1 is oval, and week 1012 is circular in the tube wall; Week 1022 is circle in the tube wall periphery 1021 of intubate section 102 and the tube wall.The external diameter of intubate section 102 equals the internal diameter of the bore of powder container 2, and the length of intubate section 102 equals the degree of depth of powder container 2.Like this, suction pipe 1 inserts can form in the powder container 2 by intubate section 102 and is tightly connected.The external diameter of intubate section 102 equals the minor axis of the tube wall periphery 1011 of duct segments 101, is equivalent in the intersection of duct segments 101 with intubate section 102, the oval cross section inscribe of the circular cross section of intubate section 102 and duct segments 101; The internal diameter of intubate section 102 equals the internal diameter of duct segments 101, just forms an inner chamber that connects duct segments 101 and intubate section 102 like this in suction pipe 1, as the passage of dust cloud air-flow.
Fig. 4 is the cross sectional representation of air intake duct.As shown in Figure 4, in the present embodiment, week 1012 is tangent in the tube wall of the sidewall of air intake duct 1013 and duct segments 101.From major diameter end points a week 1012 in the tube wall of duct segments 101 of the tube wall periphery 1011 of duct segments 101 making tangent line in the counterclockwise direction, obtain a sidewall of air intake duct 1013 to point of contact b; Intersection point c with week 1012 in the tube wall of duct segments 101 and the major diameter of the tube wall periphery 1011 of duct segments 101 is the point of contact, do along clockwise direction tangent line to the intersection point d of the tube wall periphery 1011 of duct segments 101, obtain another sidewall of air intake duct 1013.The air intake duct 1013 that this mode obtains is that cross section is the passage that air inlet and gas outlet are the sharp-tooth shaped formation of two crown directed in opposite, and the crown of the air inlet of two air intake ducts 1013 and gas outlet points to reverse each other.Can form the high speed eddy airstream behind air intake duct 1013 suction suction pipes 1 inner chamber of outside air by shape like this, form dust cloud thereby fully drive drug powder, and emptying be effective, Emptying Rate can reach 98%.
In the present embodiment, suction pipe 1 is obtained through Shooting Technique or blow molding process manufacturing by the plastics that polyethylene, polypropylene, polrvinyl chloride or Merlon etc. meet the pharmaceutical pack material requirements.Powder container 2 is obtained through hot-die compression moulding prepared by the hard sheet of materials such as the polyethylene that meets medicinal standard, polypropylene or polrvinyl chloride, usually can make on conventional medical bubble-cap packaging production line.Before the use, with being fit to the chamber 201 that powder spray (as the various medicine of affected part dispensers such as trachea, bronchus, throat and the medicines that are used for the treatment of systemic disease after oral cavity, pulmonary absorb of being used for) with the administration of this utility model device is pre-filled in powder container 2, cover the aluminum-plastic composite membrane sealing on the powder container 2.Can single chamber one plate, also can be arranged on the plate standby by a plurality of chambers.Throw off the aluminum-plastic composite membrane that covers on the powder container 2 during medication, vibration makes medicated powder concentrate on chamber 201 bottoms gently, the chamber 201 of the intubate section 102 dark insertion powder containers 2 of suction pipe 1 on earth, form sealing, patient's lips contain duct segments 101 upper ends of suction pipe 1, and extraneous air enters suction pipe 1 inner chamber by two air intake ducts 1013 when air-breathing, and form the high speed eddy airstream at inner chamber, drive drug powder and form dust cloud, drug powder promptly sucks patient pulmonary with air-flow.
Claims (9)
1. powder spray suction apparatus, it is characterized in that by the powder container of blister structure and an end that inserts in the powder container be duct segments, the other end is that the suction pipe of intubate section is formed, and on the duct segments of suction pipe, on the position of duct segments and intubate section intersection 0.1-0.5mm two air intake ducts is arranged.
2. powder spray suction apparatus according to claim 1, the bore that it is characterized in that described powder container is circular bore, the bottom surface is a concave panel.
3. powder spray suction apparatus according to claim 1 is characterized in that the tube wall periphery of the duct segments of described suction pipe is ellipse, and week is circular in the tube wall.
4. powder spray suction apparatus according to claim 1 is characterized in that the interior week of tube wall and the tube wall periphery of the intubate section of described suction pipe is circle.
5. powder spray suction apparatus according to claim 1 is characterized in that the external diameter of intubate section equals the internal diameter of the bore of powder container, and the length of intubate section equals the degree of depth of powder container.
6. powder spray suction apparatus according to claim 1 is characterized in that the external diameter of intubate section equals the minor axis of the tube wall periphery of duct segments.
7. powder spray suction apparatus according to claim 1 is characterized in that the internal diameter of intubate section equals the internal diameter of duct segments.
8. powder spray suction apparatus according to claim 1, it is characterized in that at described air intake duct it being that cross section is the passage that air inlet and gas outlet are the sharp-tooth shaped formation of two crown directed in opposite, the air inlet of two air intake ducts and the crown of gas outlet point to reverse each other.
9. powder spray suction apparatus according to claim 1 is characterized in that the sidewall of described two air intake ducts and internal chamber wall are tangent, and distribution is centrosymmetric along the axis of suction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039263 CN2865724Y (en) | 2006-01-26 | 2006-01-26 | Powder vapor inhalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620039263 CN2865724Y (en) | 2006-01-26 | 2006-01-26 | Powder vapor inhalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2865724Y true CN2865724Y (en) | 2007-02-07 |
Family
ID=37701425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620039263 Expired - Lifetime CN2865724Y (en) | 2006-01-26 | 2006-01-26 | Powder vapor inhalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2865724Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631736A (en) * | 2011-02-14 | 2012-08-15 | 中国人民解放军军事医学科学院毒物药物研究所 | Dry powder suction device |
-
2006
- 2006-01-26 CN CN 200620039263 patent/CN2865724Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631736A (en) * | 2011-02-14 | 2012-08-15 | 中国人民解放军军事医学科学院毒物药物研究所 | Dry powder suction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070207 |
|
| EXPY | Termination of patent right or utility model |