Patent ID: 11857702
Assignee: NATVI
Field: Medical technology (Instruments)
Classification: CPC A  C  B  F | IPC A  C

Claim 0:
1. A method for lubricating an element essentially consisting of hyaluronic acid crosslinked by means of a crosslinking agent which is a titanium chelate or zirconium chelate that is soluble in water, the method comprising:
a). bringing the element into contact with a solution of free hyaluronic acid, in order to obtain an element covered by free hyaluronic acid, which is a lubricated element; and, wherein the crosslinking agent is a chelate of formula 1 below:, , where A is Ti, and, where R1 is a functional group containing an oxygen or nitrogen atom, R2 represents two or three carbon atoms, and R3 and R4 represent a linear or branched or cyclic C1-C4 alkyl.