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Inhaler

An inhaler and blister technology, applied in the field of inhalation devices, can solve problems such as danger, displacement position error, suffocation, etc.

Active Publication Date: 2014-08-06
VECTURA DELIVERY DEVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although, this can transmit a relatively high driving force to the strip, the manufacture of the strip is more complicated as it requires sprocket holes or slots to be punched or cut into the strip
If the flushed material is not completely removed from the strip, it may dislodge during displacement or subsequent inhalation, creating a choking hazard or other complication if inhaled with a dose
Also, by shifting in this way on the part instead of the blister, an additional error in the shifted position is introduced, since the shifting part controls the final position of the next blister to be punctured

Method used

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Examples

Experimental program
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Embodiment Construction

[0052] It has been described in detail above figure 1 and 2 Conventional inhalation device shown in , so the device will not be referred to below.

[0053] First refer to Figure 3a and 3b , showing the composition figure 1 and 2 An enlarged view of the blister strip drive wheel 13 that is part of the displacement mechanism 7 of the device shown.

[0054] Such as Figure 3a and 3b As shown, a conventional blister displacement wheel 13 has 4 spokes 14 with an enlarged head 15 with a flat guide surface 16 contacting the curved wall 5a of the blister pocket 5 to drive the strip 3, and Slightly inclined upper end face 20 converging on apex 21 .

[0055] The strip 3 moves around the drive wheel 13 and each blister pocket 5 is held between adjacent spokes 14 . As the drive wheel 13 turns, the strip 3 moves towards the direction marked "B" as the flat guide surfaces 16 of the heads 15 of the spokes 14 contact and push against the curved surface 5a of the blister pocket 5 loc...

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PUM

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Abstract

An inhaler (1) is disclosed. The inhaler comprises a housing (2) to receive a strip (3) having a surface (3a) and a plurality of blister pockets (5) depending from the surface. Each blister pocket contains a dose of medicament for inhalation by a user. The inhaler has a blister strip drive mechanism (7) including a blister strip drive member (27) shaped to contact the strip along a line defined by the crease (30) between a blister pocket and the surface, to drive the strip.

Description

[0001] This application is a divisional application of a Chinese patent application with an application date of January 22, 2009, an application number of 200980110498.4, and an invention title of "inhaler". technical field [0002] The present invention relates to inhalation devices for the oral or nasal delivery of medicaments in powder form. More particularly, the present invention relates to an inhaler having a housing for receiving a blister strip having a plurality of blister pockets spaced along its length, each blister pocket having a pierceable cover and comprising a Doses are used for medicines that are inhaled by the user. The invention also relates to an inhaler comprising a strip of blisters, each blister having a pierceable lid and containing a dose of medicament for inhalation by a user of the device of the invention. Background technique [0003] Oral or nasal delivery of drugs using inhalation devices is a very attractive method of drug delivery because of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M15/00
CPCA61M2202/064A61M15/0021A61M15/0025A61M15/0033A61M15/0036A61M15/0041A61M15/0051A61M15/008A61M15/0045
Inventor 格雷厄姆.吉宾斯本.泰尔斯安德烈亚斯.M.梅里尼奥蒂斯
Owner VECTURA DELIVERY DEVICES
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