Patent ID: 11951272
Assignee: CITY UNIVERSITY OF HONG KONG
Field: Medical technology (Instruments)
Classification: CPC A  Y | IPC A

Claim 37:
38. The cryo formulation-based microneedle device for ocular delivery of bioactive therapeutic agents as claimed in claim 35, wherein the cryoprotectant includes at least one of poly(ethylene glycol) (PEG), polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), poly-l-lysine, hyaluronic acid (HA), starch, gelatin, agarose, alginate, chitosan, cellulose, carboxymethyl cellulose (CMC), collagen, chitin, dextran, guar gum, pullulan, xanthan, xyloglucan, heparin, chondroitin, keratan, mucin, and their derivatives thereof.