Patents

US 12440350 B2: Spinal cage devices, systems, and methods of assembly and use

Granted
2025-10-14
Filed
2024-07-09 application 18767391
Type
Utility · 26 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

Spinal cage devices, systems, and methods of assembly and implanting the devices and systems are disclosed. The cage system includes a cage and at least one locking screw assembly configured to couple to the cage. The spinal cage system includes a cage with a body portion, an external plate, and a rod. The body portion includes at least one opening positioned between the first and second ends, a center opening in the first end, and at least one hole adjacent the center opening. The external plate includes an opening and at least two holes on opposite sides of the opening. The rod extends through the center opening in the cage, the first end configured to couple to the external plate, and the second end positioned in the at least one opening. Methods for assembling a spinal cage system and for implanting a cage system are also disclosed.

Source: PVGPATDIS, file of 2026-04-10 (ipg251014.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
MiRus LLC 75 patentsUS company or organizationMarietta, GAMIRUS, LLC State business registration EXACT high confidence: identical full name and statePVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Daniel RefaiAtlanta, GA50PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
A61FFilters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kitsA61F2/447PVGPATDIS, file of 2026-04-10
A61BDiagnosis; surgery; identificationA61B17/7059PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2024-07-09Assignment
Assignment of assignor's interest
REFAI TECHNOLOGIES, LLC signed 2023-08-29MIRUS LLC MARIETTA, GA67939/958PASDL, file of 2026-10-15
2024-07-09Assignment
Assignment of assignor's interest
REFAI, DANIEL signed 2022-07-22REFAI TECHNOLOGIES, LLC ATLANTA, GA67939/794PASDL, file of 2026-10-15

Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.