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An embodiment of a medication dispenser comprises a drug pump having a control module. A medication dose request device can be in communication with the drug pump. A dispensing device, for dispensing substantially solid medication in response to activation of the medication dose request device, can

An embodiment of a medication dispenser comprises a drug pump having a control module. A medication dose request device can be in communication with the drug pump. A dispensing device, for dispensing substantially solid medication in response to activation of the medication dose request device, can be in communication with the drug pump.

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1. A medication dispenser, comprising: a drug pump including a control module, the control module configured to cause the drug pump to deliver (i) a substantially liquid medication when a substantially liquid medication dispensing device is selectively coupled to the drug pump, or(ii) a substantiall

1. A medication dispenser, comprising: a drug pump including a control module, the control module configured to cause the drug pump to deliver (i) a substantially liquid medication when a substantially liquid medication dispensing device is selectively coupled to the drug pump, or(ii) a substantially solid medication when a substantially solid medication dispensing device is selectively coupled to the drug pump. 2. The medication dispenser of claim 1, further comprising: a medication dose request device in communication with the control module. 3. The medication dispenser of claim 2, wherein: the medication dose request device is selected from a group consisting of remote dose cord devices and voice-activated devices;the substantially solid medication is selected from a group consisting of pills, tablets, capsules containing liquid, granular materials, and powdered materials; andthe drug pump is a patient-controlled analgesia (PCA) pump selected from a group consisting of ambulatory pumps, peristaltic pumps, syringe pumps, gravity-feed pumps, elastomeric pumps, and multichannel pumps. 4. The medication dispenser of claim 3, wherein: the substantially solid medication dispensing device is a removable cassette that is selectively coupled to the drug pump;the cassette contains an actuator therewithin; andthe actuator is driven by the drug pump upon command from the control module, in response to activation of the medication dose request device, to advance the medication outwardly from the cassette. 5. The medication dispenser of claim 4, wherein: the cassette contains individual medication packages, the packages containing the substantially solid medication; andthe packages include sequentially-spaced apertures that rotatably engage sequentially-spaced pegs on the actuator, such that the medication packages can be rotatably advanced by the actuator outwardly from the cassette upon command from the control module. 6. The medication dispenser of claim 4, wherein the actuator includes radially segmented compartments for containing selected doses of the substantially solid medication, such that the substantially solid medication can be rotatably advanced by the actuator outwardly from the cassette upon command from the control module. 7. The medication dispenser of claim 6, wherein communication between the medication dose request device and the control module, and between the control module and the drug pump, is selected from a group consisting of wired communications and wireless communications. 8. The medication dispenser of claim 6, wherein: the cassette includes a housing having a door, for sequential access to a selected one of the compartments; andthe actuator is driven by command from the control module to advance the selected one of the compartments into corresponding alignment with the door, to permit the substantially solid medication to be removed therefrom. 9. The medication dispenser of claim 8, wherein communication between the medication dose request device and the control module, and between the control module and the drug pump, is selected from a group consisting of wired communications and wireless communications. 10. The medication dispenser of claim 6, wherein: the cassette includes a housing having a plurality of doors arranged radially around the actuator in the cassette, each for access to a corresponding one of the compartments, the doors each having an engaging protrusion;a latching ring slidably engages the engaging protrusions on the doors to prevent the doors from opening, the latching ring further including a notched area; andthe actuator, with the latching ring and the notched area, is driven by the drug pump upon command from the control module to rotate to a degree corresponding to a selected one of the doors, such that the notched area permits a corresponding engaging protrusion of the selected one of the doors to be disengaged from the latching ring, thereby permitting the selected one of the doors to be opened and the substantially solid medication to be removed therefrom. 11. The medication dispenser of claim 10, wherein communication between the medication dose request device and the control module, and between the control module and the drug pump, is selected from a group consisting of wired communications and wireless communications. 12. The medication dispenser of claim 3, wherein communication between the medication dose request device and the control module, and between the control module and the drug pump, is provided by devices selected from a group consisting of wired communication devices and wireless communication devices. 13. A medication dispenser, comprising: a drug pump including a control module, the control module configured to cause the drug pump to deliver (i) a substantially liquid medication when a substantially liquid medication dispensing device is selectively coupled to the drug pump, or (ii) a substantially solid medication when a substantially solid medication dispensing device is selectively coupled to the drug pump; anda medication dose request device in communication with the control module,wherein, in response to activation of the medication dose request device by a patient when the substantially solid medication dispensing device is selectively coupled to the drug pump, the drug pump is driven by command from the control module to dispense individual doses of the substantially solid medication outwardly from the substantially solid medication dispensing device for delivery to the patient of what otherwise would be deemed a bolus of a fluid medication if the substantially liquid medication dispensing device was selectively coupled to the drug pump. 14. A method of dispensing medication to a patient, comprising: providing a medication dispenser to a patient, the medication dispenser including (i) a drug pump having a control module, the control module configured to cause the drug pump to deliver (a) a substantially liquid medication when a substantially liquid medication dispensing device is selectively coupled to the drug pump, and (b) a substantially solid medication when a substantially solid medication dispensing device is selectively coupled to the drug pump, and(ii) a medication dose request device in communication with the control module;entering a dispense command in the control module via the medication dose request device; andwhen the substantially solid medication dispensing device is selectively coupled to the drug pump, driving the drug pump, in response to the dispense command, to dispense a dose of the substantially solid medication outwardly from the substantially solid dispensing device to the patient. 15. A medication dispensing system, comprising: a drug pump including a control module, the drug pump being capable of being selectively mounted to one of a plurality of removable cassettes containing a material, the control module configured to cause the drug pump to deliver (i) a fluid material when the one of the plurality of removable cassettes selectively mounted to the drug pump comprises a fluid material, (ii) a semi-solid material when the one of the plurality of removable cassettes selectively mounted to the drug pump comprises a semi-solid material, or (iii) a solid material when the one of the plurality of removable cassettes selectively mounted to the drug pump comprises a solid material; andan actuator contained within each of the cassettes;wherein the actuator is driven by the drug pump in response to command from the control module to deliver to a patient the material from the one of the plurality of removable cassettes that is at that time mounted to the drug pump. 16. A medication dispenser, comprising: a drug pump including a control module, the control module configured to cause the drug pump to deliver (i) a substantially liquid medication when a substantially liquid medication dispensing device is selectively coupled to the drug pump, or(ii) a substantially solid medication when a substantially solid medication dispensing device is selectively coupled to the drug pump, the substantially solid medication being selected from a group consisting of pills, tablets, capsules containing liquid, granular materials, and powdered materials; anda medication dose request device in communication with the control module, the medication dose request device being selected from a group consisting of remote dose cord devices and voice-activated devices,wherein the drug pump is a patient-controlled analgesia (PCA) pump selected from a group consisting of ambulatory pumps, peristaltic pumps, syringe pumps, gravity-feed pumps, elastomeric pumps, and multichannel pumps, andwherein the substantially solid medication dispensing device is a removable cassette that is selectively coupled to the drug pump, the cassette contains an actuator therewithin, and the actuator is driven by command from the control module, in response to activation of the medication dose request device, to advance the medication outwardly from the cassette.