Drug delivery device

The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament comprising a clicker arrangement. The device comprises a housing (10), a dose selector (80) operable to set a dose by rotation relative to the housing (...

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Main Authors Marsh, William, Avery, Richard James Vincent, Butler, Joseph, Morris, Anthony Paul, Steel, Samuel Keir, Jones, Matthew
Format Patent
LanguageEnglish
Published 12.03.2019
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Abstract The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament comprising a clicker arrangement. The device comprises a housing (10), a dose selector (80) operable to set a dose by rotation relative to the housing (10), a number sleeve (60) coupled to the dose selector (80) and arranged within the housing (10) such that at least a portion of the number sleeve (60) is visible through a first aperture (11b) in the housing (10), a piston rod (30) coupled to the housing (10) and to a drive sleeve (40) such that rotation of the drive sleeve (40) relative to the housing (10) causes the piston rod (30) to translate relative to the housing (10), a clutch (120) arranged between the number sleeve (60) and the drive sleeve (40), and a dispense clicker comprising a flexible arm (123) and a toothed profile (75). The device further comprises a button (70) operable to effect dose dispensing. The clutch comprises a separate clutch element (120) which is permanently rotationally constrained to the number sleeve (60). The flexible arm (123) is provided on the clutch element (120) and the toothed profile (75) is provided on the button (70).
AbstractList The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament comprising a clicker arrangement. The device comprises a housing (10), a dose selector (80) operable to set a dose by rotation relative to the housing (10), a number sleeve (60) coupled to the dose selector (80) and arranged within the housing (10) such that at least a portion of the number sleeve (60) is visible through a first aperture (11b) in the housing (10), a piston rod (30) coupled to the housing (10) and to a drive sleeve (40) such that rotation of the drive sleeve (40) relative to the housing (10) causes the piston rod (30) to translate relative to the housing (10), a clutch (120) arranged between the number sleeve (60) and the drive sleeve (40), and a dispense clicker comprising a flexible arm (123) and a toothed profile (75). The device further comprises a button (70) operable to effect dose dispensing. The clutch comprises a separate clutch element (120) which is permanently rotationally constrained to the number sleeve (60). The flexible arm (123) is provided on the clutch element (120) and the toothed profile (75) is provided on the button (70).
Author Avery, Richard James Vincent
Butler, Joseph
Jones, Matthew
Morris, Anthony Paul
Steel, Samuel Keir
Marsh, William
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– fullname: Steel, Samuel Keir
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Snippet The present disclosure is generally directed to a drug delivery device for selecting and dispensing a number of user variable doses of a medicament comprising...
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SubjectTerms 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
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
Title Drug delivery device
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