Patents

US 12490995 B2: Lumbar facetectomy guide

Granted
2025-12-09
Filed
2021-11-18 application 17529635
Type
Utility · 5 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

A lumbar facetectomy guide includes a trajectory drill guide, a transforaminal rectangular cannula, and a stereotactic block, the stereotactic block including a first channel for receipt of the trajectory drill guide and a second channel for receipt of the transforaminal rectangular cannula.

Source: PVGPATDIS, file of 2026-04-10 (ipg251209.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
Rhode Island Hospital 73 patentsUS company or organizationProvidence, RIRHODE ISLAND HOSPITAL Nonprofit EXACT high confidence: identical full name and statePVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Albert TelfeianProvidence, RI1Person page FUZZY high confidencePVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
A61BDiagnosis; surgery; identificationA61B17/1757PVGPATDIS, file of 2026-04-10
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 kitsA61F2/4455PVGPATDIS, file of 2026-04-10

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

Assignments and security interests

RecordedWhatFromToReel/frameSource
2021-12-02Assignment
Assignment of assignor's interest
TELFEIAN, ALBERT signed 2020-05-29RHODE ISLAND HOSPITAL PROVIDENCE, RI58270/112ECORSEXC, file of 2026-09-25

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.