Multiple single-dose inhaler for medicaments in powder form

Details Multiple single-dose inhaler for medicaments in powder form Multiple single-dose inhaler for medicaments in powder form

1991-06-28

1993-05-04

Burr, Edgar S.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820315, A61M 1500

Patent

active

052072177

ABSTRACT:
An inhaler (10) of the multiple single-dose type for administering doses of medicament in very fine or micronized powder form contained in blisters (30) in a blister sheet (60) comprises means (18) for bringing the blisters (30) of the blister sheet one after another into a piercing position, means (62) for piercing the individual blister, a delivery channel through which the patient exerts the inhalation action, and an air intake which communicates with the delivery channel (82) when a blister has been pierced. The blister sheet (60) is in the form of a strip with the blisters (30) aligned. A connection channel (22) is provided to connect the delivery channel (82) to the air intake (28). The blister (30) when in its piercing position is interposed between the delivery channel (82) and the connection channel (22). In this latter there is provided a cup (46) coaxial with the connection channel (22) and with its concavity facing the blister in the piercing position.

REFERENCES:
patent: 3795244 (1974-03-01), Lax et al.
patent: 3807400 (1974-04-01), Cocozza
patent: 3870046 (1975-03-01), Elliott
patent: 4627432 (1986-12-01), Newell et al.
patent: 4811731 (1989-03-01), Newell et al.
patent: 4860740 (1989-08-01), Kirk et al.

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