Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1993-04-14
1994-12-13
Burr, Edgar S.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820315, A61M 1500
Patent
active
053721284
ABSTRACT:
An inhaler (2) is used with dry pharmaceutical-containing capsules (8) carried by a cassette (6) within the body of the inhaler. The inhaler defines an air path from an air inlet (40) to an air/pharmaceutical outlet (36). The air path passes a dispensing position (48) at which capsules are positioned successively. To dispense the pharmaceutical both ends of an elongated capsule are pierced with spikes (44, 46). The patient then places in his or her mouth over the outlet, inhales and draws air through the inlet, axially through and along the breached capsule at the dispensing position and pulls a mixture of air and powdered pharmaceutical through the outlet and into the lungs. To aid entrainment of the dry pharmaceutical (104) into the air stream, a vibration mechanism, such as an imbalanced rotor (24) adjacent the air inlet which rotates and vibrates due to the passing air, is used.
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Spinhaler.RTM. Turbo-Inhaler instruction leaflet, Fisons Corporati.
Foster Clark B.
Haber Terry M.
Smedley William H.
Burr Edgar S.
Habley Medical Technology Corporation
Raciti Eric P.
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