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US 12,644,870 B2Granted
Sterilization indicator sensor with a sterilant-responsive switch
AssigneeSolventum Intellectual Properties Company
InventorsWensheng Xia, Naiyong Jing, G. Marco Bommarito
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Abstract
A sensor device. The sensor device includes a sterilant-responsive switch comprising: a circuit; a conductive polymer having a first state and a second state, and a polymeric binder; and wherein the sterilant-responsive switch connects the circuit in the first state and disconnects the circuit in the second state, and wherein the conductive polymer is capable of being converted from being in the first state to being in the second state when in contact with a sterilant.
Claims15
A sensor device comprising:
- a sterilant-responsive switch comprising:
- a circuit;
- a conductive polymer having a first state and a second state, wherein the conductive polymer comprises a repeat unit of:
- aniline, acetylene, pyrrole, phenylene, phenylene vinylene, phenylene ethynylene, phenylene sulfide, fluorene, pyrene, azulene, naphthalene, carbazole, indole, thiophene, ethylene dioxythiophene, or combinations thereof, and
- a polymeric binder configured to maintain the conductive polymer in a second state;
- and
- wherein the sterilant-responsive switch connects the circuit in the first state and disconnects the circuit in the second state, and
- wherein the conductive polymer is capable of being converted from being in the first state to being in the second state when in contact with a sterilant.
5 more elements
Dependencies are inferred from the claim text.