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Inhaler device for inhalable liquids

A technology for inhaling liquids and inhalers, applied in the field of inhalable liquids

Active Publication Date: 2018-07-31
MEDICAL DEV INT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the embodiment of WO2008 / 040062 cannot be expected, for example, in Fig. 48A, Fig. 48B, Fig. 48C, Fig. 49A, Fig. 49B, Fig. 50A, Fig. , Figure 58A, Figure 58B, Figure 58C and Figure 58D those embodiments work in practice, because the vaporization device (or wick) is prevented by the wall of liquid storage vessel itself from being effectively exposed to the released liquid

Method used

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  • Inhaler device for inhalable liquids
  • Inhaler device for inhalable liquids
  • Inhaler device for inhalable liquids

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0055] Embodiments will now be described with reference to non-limiting examples.

[0056] An inhaler device for storing and delivering an inhalable liquid to a patient is provided, the device comprising a disc-shaped body, wherein the disc-shaped body comprises:

[0057] (1) a receiving portion comprising a passive evaporative support material preloaded with a breathable liquid;

[0058] (2) Receiving part cover;

[0059] (3) at least one air inlet opening; and

[0060] (4) At least one vapor intake opening;

[0061] wherein when the receptacle cover is closed both the air inlet opening and the vapor intake opening are in a closed position to store the inhalable liquid, and further wherein the disc-shaped body forms vapor as the inhalable liquid forms vapor upon storage chamber such that the stored vapor is available for administration directly to the patient when the lid is opened to provide air / vapour passage through the vapor chamber via the air inlet opening and the vapo...

example 1

[0097] figure 1 Green Whistle showing prior art TM Inhaler device 1 (Medical Developments International Limited), which is currently used in Australia to deliver / TM (Methoxyfluthane) (1.5 mL or 3 mL amber glass vial container with screw cap for storage). When required for use, the delivered dose of methoxyflurane is poured into the base end 3 of the device. After the dose is poured into the proximal end for delivery onto a vaporization device (not shown), the methoxyflurane vaporizes so that the patient can self-administer the analgesic by inhaling the air / vapour mixture through the mouthpiece 2 . If the patient continues to breathe through the mouthpiece, any exhaled air / vapour mixture will exit the device via an externally fitted chamber comprising activated carbon "AC chamber" 4 .

example 2

[0099] Figure 2A An inhaler device 5 according to an embodiment of the invention is shown. The inhaler device has a disc-shaped body and comprises a receptacle 6 and a receptacle cover 7 with an air inlet hole 7a and an integrally formed and partly tapered nozzle 8 . Figure 5A A top view of the device is shown in to better illustrate the shape of the cap and nozzle. Figure 2B The vapor suction hole 8a in the nozzle is shown in dotted line drawing in . Also shown is an internally stored passive evaporative support material preloaded with an inhalable liquid 9 such as methoxyflurane. In the storage mode, the inhaler device acts as a sealed storage container for the inhalable liquid and its vapor, such that the inhaler device is ready to deliver the medicament in vapor form to the patient immediately upon opening. The exploded view presented in Figure 3 shows the passive evaporation support material in a folded configuration. In order to prevent the passive evaporation sup...

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PUM

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Abstract

An inhaler device for the storage and delivery of an inhalable liquid to a patient, said device comprising a puck-shaped body wherein the puck-shaped body comprises: a receptacle comprising a passiveevaporation support material pre-loaded with the inhalable liquid (9); a receptacle lid; at least one air inlet opening; and at least one vapour inhalation opening; wherein the air inlet and vapour inhalation openings are in a closed position when the receptacle lid is closed for storing the inhalable liquid and further wherein as the inhalable liquid forms a vapour upon storage, the puck-shaped body forms a vapour chamber such that the stored vapour is available for direct administration to a patient when the lid is opened to provide an air / vapour pathway through the vapour chamber via the air inlet and vapour inhalation openings.

Description

technical field [0001] The present invention relates to an inhaler device for storing and / or administering to a patient an inhalable liquid, in particular an inhalable volatile liquid such as a halogenated volatile liquid. Background technique [0002] Storage and administration to patients of inhalable liquids that contain or are active agents often present challenges. Due to patient preference and the convenience of self-administration as needed or in a hospital setting or other setting, active agents such as therapeutic agents or agents are often formulated for oral delivery in the form of tablets and capsules, in spray form Nasal delivery as well as liquid formulations for intravenous delivery. [0003] Where it is advantageous to administer the active agent to the lungs of a patient, for example to treat or alleviate a respiratory disease, the active agent may be administered by the oral inhalation route alone or in combination with the nasal route. Suitable inhaler d...

Claims

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Application Information

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IPC IPC(8): A61M15/00
CPCA61M11/04A61M16/01A61M15/002A61M15/0035A61M15/0028A61M15/0021A61M15/0051A61M2202/0241A61M15/00A61M16/104A61M16/10A61M15/0063A61M16/183A61M16/18
Inventor 格雷格·罗兰爱德华·利纳克尔格伦·吉尔伯特维克托·莱金
Owner MEDICAL DEV INT
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