US Patent

US12226610 — Treatment of pain associated with total knee arthroplasty with sustained-release liposomal anesthetic compositions

Method of Use · Assigned to Pacira Pharmaceuticals Inc · Expires 2043-02-02 · 17y remaining

Vulnerability score 75/100 Vulnerable — likely target for IPR or design-around

What this patent protects

This patent protects methods of administering an adductor canal block in a patient using a sustained-release liposomal anesthetic composition.

USPTO Abstract

In some embodiments provided herein are methods of administering an adductor canal block in a patient, wherein the methods include: (a) selecting an entry point of an injection needle in a leg of the patient; (b) inserting the injection needle into the leg of the patient at the entry point; (c) identifying a first nerve in the leg of the patient; (d) administering to the first nerve saline and a pharmaceutical composition; (e) identifying a second nerve in the leg of the patient; (f) administering to the second nerve saline and the pharmaceutical composition; wherein the first nerve and second nerve are selected from the group consisting of the nerve to vastus medialis (NVM) and the saphenous nerve, and wherein the first nerve is not the second nerve, and wherein the pharmaceutical composition comprises multivesicular liposomes.

Drugs covered by this patent

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

CodeDescriptionDrug
U-4148 — Bupivacaine Hydrochloride And Epinephrine
U-4148 — Bupivacaine Hydrochloride And Epinephrine

Patent Metadata

Patent number
US12226610
Jurisdiction
US
Classification
Method of Use
Expires
2043-02-02
Drug substance claim
No
Drug product claim
No
Assignee
Pacira Pharmaceuticals Inc
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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