Medical tubes for placement into the body of a patient
AssigneeKaro Maeda
InventorsKaro Maeda, Satoshi Ando
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Abstract
Medical tubes such as a catheter or cannula having antibacterial action against pseudomonas aeruginosa, staphylococcus aureus, escherichia coli and fungus is disclosed. Anhydrous or crystallization water containing powdered zeolite, wherein one or the whole of metals contained in said zeolite is substituted by at least one kind of ion exchangeable metals selected from the group consisting of Ag,Cu and Zn, is coated onto or kneaded into at least the portion of said tubes indwelled and placed into the body of a patient.
Claims7
A medical tube for placement into a patient comprising metal containing powdered zeolite, wherein at least one of the metals contained in said zeolite is substituted by at least one ion exchangeable metal selected from the group consisting of Ag, Cu and Zn, having anti-bacterial properties, the zeolite being coated onto or kneaded into said medical tube wherein said medical tube, when in contact with said patient, continuously exhibits said antibacterial properties of said ion exchangeable metal for a period of time of at least two days.
Dependencies are inferred from the claim text.