阅读说明：本技术 单次剂量粉末吸入器 (Single dose powder inhaler ) 是由 克劳斯-迪特尔·贝勒 伯恩德·凯泽 于 2018-06-22 设计创作，主要内容包括：本发明提出一种用于鼻腔给药的单次剂量粉末吸入器(10),该单次剂量粉末吸入器具有扁平的吸入器壳体,该吸入器壳体由平面式的、沿连接平面(E)相互连接的两个壳体部分(1,2)构成。在这些壳体部分中成形有具有至少一个粉末容纳凹腔(11’)的药剂室(11)、进气开口(14)和由壁部(7)限制的气道,该气道从该进气开口(14)经由该药剂室(11)延伸至出口开口(12)。根据本发明,该进气开口(14)并不存在于与该出口开口(12)背离的侧面上,其中该气道提供气流经过该进气开口(14)相对于该出口开口(12)的方向改变。该气道的位于该药剂室(11)与该出口通道(12)之间的出口区段(13)具有多于一个弯曲部(6)。此外,在该出口开口(12)处成形有鼻形件(4),该鼻形件被设计为用于容纳到仅一个鼻孔中或用于容纳到两个鼻孔中。(The invention relates to a single dose powder inhaler (10) for nasal administration, comprising a flat inhaler housing which is formed from two housing parts (1, 2) which are connected to one another along a connecting plane (E) and are of planar design. A medicament chamber (11) with at least one powder-receiving recess (11'), an air inlet opening (14) and an air duct bounded by a wall (7) extending from the air inlet opening (14) to an outlet opening (12) via the medicament chamber (11) are formed in the housing parts. According to the invention, the air inlet opening (14) is not present on the side facing away from the outlet opening (12), wherein the air duct provides a change of direction of the air flow through the air inlet opening (14) relative to the outlet opening (12). The outlet section (13) of the airway between the medicament chamber (11) and the outlet channel (12) has more than one bend (6). Furthermore, a nose piece (4) is formed at the outlet opening (12), which nose piece is designed for receiving into only one nostril or for receiving into both nostrils.)

1. A single dose powder inhaler (10) for nasal administration having a flat inhaler housing consisting of two housing parts (1, 2) which are connected to one another along a connecting plane (E) in a planar manner, wherein a medicament chamber (11) having at least one powder-receiving recess (11'), an air inlet opening (14) and an air duct bounded by a wall (7) are formed which extends from the air inlet opening (14) via the medicament chamber (11) to an outlet opening (12),

it is characterized in that the preparation method is characterized in that,

-the air inlet opening (14) is not present on the side facing away from the outlet opening (12), wherein the air passage provides a change of direction of the air flow through the air inlet opening (14) relative to the outlet opening (12), and the outlet section (13) of the air passage has more than one bend (6) between the medicament compartment (11) and the outlet opening (12); and is

-a nose piece (4) is shaped at the outlet opening (12), which nose piece is designed for being received into one nostril or into both nostrils.

2. The single dose powder inhaler (10) according to claim 1,

it is characterized in that the preparation method is characterized in that,

the air inlet opening (14) and the outlet opening (12) are arranged alongside one another or offset from one another by 90 ° or some angle in between.

3. The single dose powder inhaler (10) according to claim 1 or 2,

it is characterized in that the preparation method is characterized in that,

the air inlet opening (14) and the outlet opening (12) are arranged alongside one another perpendicular or parallel to the connecting plane (E) of the housing parts (1, 2), or

One of the inlet opening (14) and the outlet opening (12) is arranged parallel to the connection plane (E) of the housing parts (1, 2) and the corresponding other is arranged perpendicular to the connection plane (E) of the housing parts (1, 2).

4. The single-dose powder inhaler (10) according to at least one of claims 1 to 3,

it is characterized in that the preparation method is characterized in that,

the outlet section (13) of the air channel between the medicament chamber (11) and the outlet channel (12) is designed as

-a meandering channel with at least three bends as bends (6), or designed as

-a helical channel with at least two bends (6).

5. Single-dose powder inhaler (10) according to at least one of claims 1 to 4,

it is characterized in that the preparation method is characterized in that,

the single dose powder inhaler (10) has at least one extractable foil element (3) having a closure tab (30) which closes at least one powder containing cavity (11') in the medicament compartment (11) and an extraction tab (31) which is extracted from the closure tab (30) from the medicament compartment (11)

-an inlet section (18) between the air inlet opening (14) and the medicament chamber (11) through the air passage extends from the air inlet opening (14), or

-extends from the tab opening (16) through an additional tab channel (17) extending between the additional tab opening (16) and the medicament compartment (11).

6. The single dose powder inhaler (10) according to claim 5,

it is characterized in that the preparation method is characterized in that,

the gas duct and/or the inlet section (18) of the tab channel (17) has a powder retention structure (15) which narrows the channel cross section and is preferably formed by at least one barrier (15') which extends transversely to the flow direction into the gas duct;

and/or

The inlet section (18) of the air duct has more than one bend (6), so that a plurality of direction changes of the air flow which can be guided through the inlet channel section (18) are achieved.

7. The single dose powder inhaler (10) according to claim 5 or 6,

it is characterized in that the preparation method is characterized in that,

two or more powder receiving cavities (11 ') are designed in the housing parts (1, 2), which are respectively designed for the powdered partial medicament dose in the medicament chamber (11), wherein the two or more powder receiving cavities (11') are closed by two or more foil elements (3) or by a common foil element (3).

8. Single-dose powder inhaler (10) according to at least one of claims 1 to 7,

it is characterized in that the preparation method is characterized in that,

these housing parts (1, 2)

-is constituted by plate elements which are interconnected in a plane in the connection plane (E) outside the formed area;

or preferably

-is formed by shell elements with surrounding edges (9), which are interconnected at least at the edges (9) in the connection plane (E).

9. The single dose powder inhaler according to at least one of claims 1 to 8,

it is characterized in that the preparation method is characterized in that,

the housing parts (1, 2) are respectively formed, preferably deep-drawn, from plastic injection-molded parts or respectively from pharmaceutical-compatible, preferably homogeneous plastic foils, wherein the plastic of at least one of the housing parts (1, 2)

Is a transparent plastic, and/or

Is biodegradable, and/or

-comprises a label, and/or

-is a preserved and/or antimicrobial plastic or has a preserved and/or antimicrobial coating at least along the airway.