DRUG DELIVERY DEVICE WITH NEEDLE ACTUATION MECHANISM
2 Assignments
0 Petitions
Accused Products
Abstract
A delivery unit (2) of a drug delivery device (1), the delivery unit (2) comprising a subcutaneous delivery mechanism (9) having a subcutaneous delivery member (92), and a subcutaneous delivery member actuation mechanism (10) being operable to move the subcutaneous delivery member (92) between a retracted position and an extended position. The actuation mechanism (10) comprises a rotary member (102) having an engagement member (104) rotatable relative a support member (14), and an actuator (106) comprising a pivot portion (10A) and an engagement portion (10B) pivotally connected to the support member via the pivot portion. The engagement member (104) and engagement portion (10B) are configured to engage upon rotation of the rotary member to pivot the actuator between first and second positions and to thereby move the subcutaneous delivery member (92) between the corresponding retracted and extended positions. In an embodiment, the needle actuation mechanism may comprise a reuse protection.
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Citations
36 Claims
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1-18. -18. (canceled)
- 19. A delivery unit (2) of a drug delivery device (1), the delivery unit (2) comprising a subcutaneous delivery mechanism (9) having a subcutaneous delivery member (92) and a subcutaneous delivery member actuation mechanism (10) being operable to move the subcutaneous delivery member (92) between a retracted position and an extended position, the actuation mechanism (10, 100) comprising a rotary member (102, 302) having an engagement member (104, 304) rotatable relative a support member (14), and an actuator (106, 306) comprising a pivot portion (10A) and an engagement portion (10B) pivotally connected to the support member via the pivot portion, wherein the actuation mechanism (10) is actuated by rotation of the rotary member (102) and wherein the engagement member and engagement portion are configured to engage upon rotation of the rotary member to pivot an actuation portion (11) of the actuator between first and second positions and to thereby move the subcutaneous delivery member (92) between the corresponding retracted and extended positions.
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35. A delivery unit (2) of a drug delivery device (1), the delivery unit (2) comprising a subcutaneous delivery mechanism (9) having a subcutaneous delivery member (92) and a subcutaneous delivery member actuation mechanism (10) being operable to move the subcutaneous delivery member (92) between a retracted position and an extended position, wherein in the extended position the subcutaneous delivery member (92) is arranged to deliver a dosage of a fluid trans-dermally to a patient and in the retracted position the subcutaneous delivery member (92) is arranged such that it is retracted from the patient, the actuation mechanism (10) comprising:
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a rotary member (102) rotatable relative a support member (14), the rotary member (102) having an engagement member (104); an actuator (106) connected to the support member (14), the actuator (106) having an engagement portion (10B); and a pump engine (72) configured to deliver a fluid to the subcutaneous delivery member (92), the pump being rotatably drivable, wherein the engagement member (104) and engagement portion (10B) are configured to engage upon rotation of the rotary member (102) and the actuator (106) is configured such that the engagement causes a subcutaneous delivery member actuation portion (11) of the actuator (106) to move between first and second positions, and to thereby move the subcutaneous delivery member (92) between the corresponding retracted and extended positions, and wherein the rotation of the pump engine (72) is connected to the rotation of the rotary member (102).
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Specification