System to monitor the ingestion of medicines
View Patent ↗A system for monitoring ingestion of medicine ( 21 ) comprises forming a digestible radio frequency identification (RFID) tag ( 10 ). The RFID tag is attached to the medicine. The RFID tag and medicine are ingested. A signal from the RFID tag is monitored.
1. A medication for administration by mouth, comprising:
a medicinal material in an ingestible form;
a first RFID tag, associated with the material, said first tag being surrounded by a first substance that responds to a condition of its environment; and
a second RFID tag associated with the material, said second tag being surrounded by a second substance that responds differently to said condition of its environment.
2. A medication according to claim 1 , wherein said first and second substances are the same but have been treated to respond differently to said condition of the environment of said medication.
3. A medication according to claim 1 , wherein said first and second substances are the same but of different thicknesses around their respective tags.
4. A medication according to claim 1 , wherein said first and second substances dissolve differently in the environment of said medication.
5. A medication according to claim 1 , wherein said first and second substances are the same but have different textures around their respective tags.
6. A medication according to claim 1 , wherein micro-spheres of said medicinal material surround each tag to interfere with signals from said tags.
7. A medication according to claim 1 , wherein said medication and said tags are enclosed within a capsule.
8. A medication according to claim 1 , wherein said first and second substances respond to different conditions of said environment.