Patent ID: 8877222

Claim:
An antibacterial medical equipment characterized in that inositol phosphate is bonded to a calcium compound of a medical equipment whose surface is at least coated with a layer of the calcium compound, or a medical equipment comprising the calcium compound, wherein silver ions are bonded to the inositol phosphate, and inositol phosphate is directly bonded to a calcium compound of a medical equipment whose surface is at least coated with a layer of the calcium compound, or directly bonded to a medical equipment comprising the calcium compound, by bringing a medical equipment whose surface is at least coated with a layer of the calcium compound, or a medical equipment comprising the calcium compound, into contact with an aqueous solution of inositol phosphate to obtain the antibacterial medical equipment in which inositol phosphate is bonded to the calcium compound, and silver ions are chelated by the inositol phosphate by bringing the calcium compound into contact with an aqueous solution containing silver ions; wherein the concentration of the aqueous solution containing silver ions is within a range from 0.001 to 0.01 mol/dm 3 to obtain the antibacterial medical equipment in which silver ions are bonded to the inositol phosphate; wherein the calcium compound is hydroxyapatite; wherein the inositol phosphate is phytic acid; and wherein the antibacterial medical equipment is an antibacterial implant.