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US 8,911,665 B2Granted
Antiseptic compositions, methods and systems
OwnerPeter Kite, David Hattoninventors
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Abstract
Antiseptic compositions comprising at least one salt of EDTA are disclosed. These compositions have broad spectrum antimicrobial and antifungal activity and they also have anticoagulant properties. The antiseptic compositions have also demonstrated activity in penetrating and breaking down microbial slime, or biofilms. They are safe for human and medical uses and may be used as prophylactic preparations to prevent infection, or to reduce the proliferation of and/or eliminate existing or established infections.
Claims9
A method, comprising:
- contacting a catheter with a solution,
- wherein the solution comprises at least one ethylene diamine tetra acidic acid (EDTA) salt and a solvent,
- wherein the at least one EDTA salt comprises tetra-sodium EDTA and excludes disodium EDTA,
- wherein the solution is at a pH greater than 9.5 and a concentration of greater than 0.5% (w/v) EDTA and less than 10% (w/v) EDTA,
- wherein the solution has a broad-spectrum bactericidal effect over a wide spectrum of microbes,
- wherein the solution is biocompatible with human tissue and blood.
3 more elements
Dependencies are inferred from the claim text.