Patent ID: 9629916
Date: 2017-04-25
CPC Classifications: A61K,A61P,B82Y,C07K

Claim:
1. A method for delivering a therapeutic agent into a target tissue site beneath the skin, the method comprising inserting a cannula at or near a target tissue site and injecting a human lubricating gel obtained from denatured collagen and being capable of adhering to the target tissue site, the human lubricating gel having a modulus of elasticity in a range of about 1×10 4 to about 6×10 5 dynes/cm 2 after delivery to the target tissue site, the human lubricating gel comprising a plurality of microspheres, microcapsules, microfibers, particles, nanospheres, nanoparticles or mixtures thereof and containing an effective amount of the therapeutic agent, wherein the target tissue site comprises at least the tissue lining the sinus cavity, wherein the human lubricating gel further comprises human bone matrix gelatin in an amount of from about 1% to about 5% by weight based on a total weight of the gel.