1. A system for operating one or more light emitting devices, comprising:
a discrete voltage regulating circuit including a switching device and a voltage reference source;
a switching device deactivation circuit including a switch positioned in a first current path between the voltage reference source and ground;
a timing circuit;
a comparator;
a current driving device, the timing circuit in electrical communication with the comparator, the comparator in electrical communication with the current driving device, and the current driving device in electrical communication with the switching device; and
a controller including executable non-transitory instructions for selectively activating and deactivating the switching device deactivation circuit via the switch.
2. The system of claim 1, where the switch in the switching device deactivation circuit is a FET, JFET, MOSFET, or bipolar transistor.
3. The system of claim 2, where the switching device deactivation circuit further comprises a capacitor electrically coupled to a gate or base of the switching device and ground.
4. The system of claim 3, where the switching device deactivation circuit further comprises a resistor and a diode in electrical communication with the capacitor and the gate or base of the switching device.
5. The system of claim 1, further comprising a biasing resistor, the biasing resistor electrically coupled to ground and the timing circuit.
6. A system for operating one or more light emitting devices, comprising:
a discrete voltage regulating circuit including a switching device, a voltage reference source, and an error voltage source; and
a switching device deactivation circuit including a first switch positioned in a first current path between the voltage reference source and ground, the switching device deactivation circuit also including a second switch positioned in a second current path between the error voltage source and ground, where first and second switches are FETs, JFETs, MOSFETs, or bipolar transistors, the switching device deactivation circuit further comprising a first capacitor electrically coupled to a gate or base of the first switch and ground, and the switching device deactivation circuit further comprising a second capacitor electrically coupled to a gate or base of the second switch and ground.
7. The system of claim 6, where the switching device deactivation circuit further comprises a first diode and a first resistor electrically coupled to the first capacitor, and where the switching device deactivation circuit further comprises a second diode and a second resistor electrically coupled to the second capacitor.
8. The system of claim 7, where the first diode, the second diode, the first resistor, and the second resistor are in electrical communication with an enabling signal source.
9. The system of claim 6, further comprising a timing circuit, a comparator, and a current driving device.
10. The system of claim 9, where the timing circuit is in electrical communication with the comparator, where the comparator is in electrical communication with the current driving device, and where the current driving device is in electrical communication with the switching device.
11. The system of claim 10, further comprising a bias resistor, the bias resistor positioned between the timing circuit and ground.
12. A method for operating one or more light emitting devices, comprising:
supplying electrical power to one or more light emitting devices via a switching regulator;
pulling a reference voltage indicative of a desired lighting source voltage toward ground in response to a request to cease supplying the electrical power to the one or more light emitting devices;
pulling an error voltage indicative of an error between a desired level of electrical power supplied to the one or more light emitting devices and an actual level of electrical power supplied to the one or more light emitting devices toward ground; and
biasing an input of a comparator that provides a pulse width modulated signal within the switching regulator.
13. The method of claim 12, further comprising releasing the reference voltage indicative of the desired lighting source voltage from ground.
14. The method of claim 13, further comprising releasing the error voltage from ground.
15. The method of claim 14, where the error voltage and the reference voltage are released from ground via a single input, and where the error voltage and the reference voltage are released from ground at different times.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method comprising:
identifying a surface to be decontaminated;
applying a medical applicator to the surface, wherein the medical applicator comprises:
a cap device comprising a cylindrical cavity, the cylindrical cavity having a foam insert or a nasal decolonizer device comprising a reservoir; and
an antimicrobial composition within the foam insert of the cap device or reservoir of the nasal decolonizer device, wherein the antimicrobial composition comprises water, an alcohol, a peroxide or peroxide-generating agent and a chelating agent; and
receiving an indication that the antimicrobial composition has come in contact with one or more contaminants on the surface.
2. The method as recited in claim 1, wherein the one or more contaminants comprises at least one of one or more of a bacterium, a spore, a parasite, a virus, bodily fluid or a combination thereof.
3. The method as recited in claim 2, wherein the one or more contaminants includes staphylococcus aureus (MRSA), Pseudomonas aeruginosa or other resistant bacteria.
4. The method as recited in claim 1, wherein the antimicrobial composition further comprises:
about 5 to about 50 mgml of ethlyenediaminetetraacetic acid (EDTA);
at most about 70% ethanol, by volume;
at most about 7.5% hydrogen peroxide, by volume; and
water.
5. The method as recited in claim 1, wherein the antimicrobial composition is in the form of a liquid or gel.
6. The method as recited in claim 1, wherein the chelating agent is present in a quantity to remain on a surface after the water, the alcohol and the peroxide have dispersed.
7. The method as recited in claim 1, wherein receiving an indication that the antimicrobial composition has come in contact with one or more contaminant on the surface comprises foaming or bubbling.
8. The method as recited in claim 1, wherein the surface to be decontaminated comprises human tissue or an area on a medical device.
9. A method of providing a barrier against contamination comprising:
identifying a surface to be protected;
applying an antimicrobial agent to the surface, wherein the antimicrobial agent comprises water, a low molecular weight alcohol, a peroxide or peroxide-generating agent and a chelating agent;
wherein the chelating agent is present in an amount to remain on the surface after the water, a low molecular weight alcohol, a peroxide or peroxide-generating agent have evaporated.
10. The method as recited in claim 9, wherein the surface to be protected comprises human tissue or an area on a medical device.
11. The method as recited in claim 9, wherein the antimicrobial agent further comprises:
about 5 to about 50 mgml of ethlyenediaminetetraacetic acid (EDTA);
at most about 70% ethanol, by volume;
at most about 7.5% hydrogen peroxide, by volume; and
water.
12. The method as recited in claim 9, wherein the antimicrobial agent is in the form of a liquid or gel.
13. The method as recited in claim 9, wherein the chelating agent remaining on the surface inhibits the reproductive capabilities of bacteria, spores, fungi, parasites and viruses.
14. A method of giving a visual indication of one or more contaminants on a surface comprising:
determining one or more surfaces to be decontaminated;
applying an antimicrobial agent to the surface, wherein the antimicrobial agent comprises water, a low molecular weight alcohol, a peroxide or peroxide-generating agent and a chelating agent; and
receiving an indication that the antimicrobial agent has come in contact with one or more contaminant on the surface.
15. The method as recited in claim 14, wherein the surface to be decontaminated comprises human tissue or an area on a medical device.
16. The method as recited in claim 14, wherein the antimicrobial agent further comprises:
about 5 to about 50 mgml of ethlyenediaminetetraacetic acid (EDTA);
at most about 70% ethanol, by volume;
at most about 7.5% hydrogen peroxide, by volume; and
water.
17. The method as recited in claim 14, wherein receiving an indication that the antimicrobial agent has come in contact with one or more contaminant on the surface comprises a visual indication such as foaming or bubbling on the surface.
18. The method as recited in claim 14, wherein the one or more contaminants comprises at least one of one or more bacteria, one or more spores, one or more parasites, one or more viruses, one or more bodily fluids.
19. The method as recited in claim 18, wherein the one or more contaminants includes staphylococcus aureus (MRSA), Pseudomonas aeruginosa and other resistant bacteria.
20. The method as recited in claim 14, wherein the amount chelating agent present in the antimicrobial agent does not inhibit the indication that the antimicrobial agent has come in contact with one or more contaminant on the surface.