초록 ▼

A dispensing system is disclosed comprising a wall surrounding a lumen. The lumen comprises (1) a thermo responsive composition comprising a beneficial agent, (2) means for occupying space in the lumen for pushing the thermo responsive composition from the dispensing system, and (3) means for enhanc

A dispensing system is disclosed comprising a wall surrounding a lumen. The lumen comprises (1) a thermo responsive composition comprising a beneficial agent, (2) means for occupying space in the lumen for pushing the thermo responsive composition from the dispensing system, and (3) means for enhancing the amount of the beneficial agent dispensed from the system positioned between the thermo responsive composition and the means for occupying space.

대표청구항 ▼

A dispensing device for delivering a beneficial agent formulation to an environment of use, the dispensing device comprising: (a) wall means that surrounds and defines an internal compartment, said wall means comprising at least in part a composition permeable to the passage of fluid present in the

A dispensing device for delivering a beneficial agent formulation to an environment of use, the dispensing device comprising: (a) wall means that surrounds and defines an internal compartment, said wall means comprising at least in part a composition permeable to the passage of fluid present in the environment of use; (b) thermoplastic means in the compartment for absorbing thermal energy from the environment of use for dispensing a beneficial agent; (c) a beneficial agent present in the thermoplastic means for absorbing thermal energy for dispensing the beneficial agent; (d) a hydrophilic osmopolymer in the compartment for expanding, occupying an increasing area of the compartment, and for pushing the thermoplastic means from the compartment; (e) lamina means for enhancing the amount of beneficial agent delivered from the dispensing device in the compartment positioned between the thermoplastic means and the hydrophilic osmopolymer; and (f) exit means in the wall for releasing the beneficial agent from the dispensing device to the environment of use over time.