Drug delivery device and methods having a retaining member
First Claim
1. A drug delivery device comprising:
- a housing comprising a cavity; and
a drug cartridge removably positioned in the cavity, the drug cartridge comprising a first plate having a channel with a drug pellet positioned therein, the drug cartridge comprising a second plate that is coupled to the first plate, the second plate comprising a first end including a first cantilever arm and an opposite second end including a cantilever arm, the cantilever arms being configured to effect an elastic occlusion of the channel,wherein the second plate comprises an interior portion, a first gap between the interior portion and the first cantilever arm and a second gap between the interior portion and the second cantilever arm,wherein the interior portion comprises spaced apart bosses that are positioned within apertures of the first plate.
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Accused Products
Abstract
Various embodiments of a device, a kit and method for delivering a drug depot are disclosed. The device comprises a housing including a lower body, an upper body, a ring member; and a drug cartridge. The lower body defines a lower body channel. The upper body defines an upper body channel. The drug cartridge defines a depot channel. The ring member is disposed extending upward from an annular step surface of the lower body toward a housing upper end. The ring member includes indicia indicating a characteristic of one or more drug depots in the drug cartridge. A plunger has a push rod for expelling the drug depot through the cannula to a site in the patient. A kit comprises the above components. A method includes assembling the components including selecting a ring member having indicia corresponding to one or more drug depots in the drug cartridge.
377 Citations
32 Claims
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1. A drug delivery device comprising:
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a housing comprising a cavity; and a drug cartridge removably positioned in the cavity, the drug cartridge comprising a first plate having a channel with a drug pellet positioned therein, the drug cartridge comprising a second plate that is coupled to the first plate, the second plate comprising a first end including a first cantilever arm and an opposite second end including a cantilever arm, the cantilever arms being configured to effect an elastic occlusion of the channel, wherein the second plate comprises an interior portion, a first gap between the interior portion and the first cantilever arm and a second gap between the interior portion and the second cantilever arm, wherein the interior portion comprises spaced apart bosses that are positioned within apertures of the first plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A drug delivery device comprising:
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a housing comprising a cavity; and a drug cartridge removably positioned in the cavity, the drug cartridge comprising a first plate having a channel with a drug pellet positioned therein, the drug cartridge comprising a second plate that is coupled to the first plate, the second plate comprising a first end including a first cantilever arm and an opposite second end including a cantilever arm, the cantilever arms being configured to effect an elastic occlusion of the channel, wherein the first plate comprises a pair of notches and the second plate comprises hook engaging protrusions that are positioned within the notches to couple the second plate to the first plate. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A drug delivery device comprising:
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a housing comprising a cavity; and a drug cartridge removably positioned in the cavity, the drug cartridge comprising a first plate having a channel with a drug pellet positioned therein, the drug cartridge comprising a second plate that is coupled to the first plate, the second plate comprising a first end including a first cantilever arm and an opposite second end including a cantilever arm, the cantilever arms being configured to effect an elastic occlusion of the channel, wherein the first plate comprises ridges that mate with grooves of the housing to align the drug cartridge with the housing. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification