Training device for medicament inhalers

• Main Authors: LUTSKY BARRY N, STIMSON JOHN M, NOLOP KEITH B, KENYON DAVID J, BJORNDAL PAUL M, CHEN JUN
• Format: Patent
• Language: English
• Published: 30.09.2004
• Edition: 7
• Subjects: ADVERTISING; AMUSEMENTS; APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; BALL GAMES; CRYPTOGRAPHY; DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; DIAGNOSIS; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; GAMES; GLOBES; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; PHYSICS; PLANETARIA; SEALS; SPORTS; SURGERY; TRAINING EQUIPMENT

A training device for a dry powder inhaler, includes a dry powder inhaler simulator including a housing having a bore extending therethrough, a mouthpiece connected with the housing and being in open communication with the bore; a control circuit for measuring pressure drop at the opening and displaying a single value corresponding to both inhalation rapidity and inhalation flow rate peak, the control circuit including a pressure transducer below the opening for producing an output signal corresponding to the pressure drop, an A/D converter for converting the output signal to a digitized signal; a display formed by a plurality of lighting segments, for providing an indication corresponding to both inhalation rapidity and inhalation flow rate peak, and a microprocessor connected with the display for controlling the display in response to the output signal from the pressure transducer and elapsed time.