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Medicament inhaler

Technology of an inhaler, cup, used in the field of dry powder inhalers

Inactive Publication Date: 2016-07-06
NORTON (WATERFORD) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if the cover dislodges from its hinge, the DPI is no longer able to deliver the drug

Method used

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  • Medicament inhaler
  • Medicament inhaler
  • Medicament inhaler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0062] Description of DPI

[0063] Lubricant-added inhalers are described in detail in WO02 / 00281, WO01 / 097889 and WO2005 / 034833, and the contents of these documents are incorporated herein by reference. For a detailed description of the internal mechanism of the inhaler, you can refer to these earlier patent applications.

[0064] DPI has a specific dose metering system. Figure 1-3 A DPI according to the present invention is shown, which has a cover 1 which opens and closes around a hinge to reveal the mouthpiece 2.

[0065] The DPI has a delivery path for guiding the air flow caused by inhalation through the mouthpiece. The medicine is stored in the reservoir 3, and the medicine is dispensed from the reservoir into the cup 4 via the dispensing port. The cup can move in a channel that leads from the dispensing port to the delivery passage. Therefore, when the cup is aligned with the dispensing port, it can be filled with medicine, and when the cup is moved to the delivery path, ...

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PUM

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Abstract

The invention provides a dry powder inhaler comprising a mouthpiece for patient inhalation, a cover movable about a hinge to open and close the mouthpiece, a delivery passageway for directing an inhalation induced air flow through the mouthpiece, a channel extending from the delivery passageway, a reservoir for containing medicament, the reservoir having a dispensing port connected to the channel, a cup received in the channel and movable between the dispensing port and the delivery passageway, wherein the cup comprises a cup cam follower, a cup spring biasing the cup towards the delivery passageway, a yoke movable between at least a first position and a second position and including a yoke cam, whereby closing the cover moves the yoke between the first position and the second position such that the yoke cam engages the cup cam follower and urges the cup against the cup spring to the dispensing port, and wherein the yoke cam, the cup cam follower, or both, is lubricated.

Description

Technical field [0001] The present invention relates to a device for administering a drug that is inhaled by a patient as a dry powder, and more specifically, the present invention relates to a dry powder inhaler (DPI). Background technique [0002] DPI is well known for dispensing drugs to the lungs of patients, for example for the treatment of asthma and COPD. [0003] WO02 / 00281, WO01 / 097889 and WO2005 / 034833 disclose improved DPI. The DPI includes a mouthpiece for patient inhalation, a delivery path for guiding the air flow caused by inhalation through the mouthpiece, a channel extending from the delivery path, and a reservoir for containing the drug, wherein the reservoir has a connection to the channel The distributor port. The DPI also includes a cover, which is pivotally mounted to the housing of the inhaler for covering the mouthpiece. The inhaler has a breath-actuated mechanism: the patient's inhalation causes the delivery of the drug. [0004] Surprisingly, after exten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M15/00
CPCA61M15/0026A61M15/0065A61M2205/0238A61M2202/064A61L2400/10A61M2202/0007
Inventor J·A·布莱尔D·K·巴克S·卡尔
Owner NORTON (WATERFORD) LTD
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