Patents
US 10271859 B2: Undercutting system for use in conjunction with sacroiliac fusion
- Granted
- 2019-04-30
- Filed
- 2018-01-09 application 15865592
- Type
- Utility · 6 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A method of preparing a region between adjacent bones for fusion. A first aperture is formed that extends through one of the bones. An undercutting system is inserted into the first aperture. The undercutting system includes an insertion apparatus and a cutting assembly. A first path is cut between the adjacent bones by extending or retracting the cutting assembly with respect to the insertion apparatus.
Source: PVGPATDIS, file of 2026-04-10 (ipg190430.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| RTI Surgical, Inc. 21 patents | US company or organization | Alachua, FL | RTI SURGICAL, INC. SEC filer EXACT medium confidence: identical full name, one of each nationally | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Robert L. Assell | Windom, MN | 55 | PVGPATDIS, file of 2026-04-10 | |
| Jeremy Carr | Lauderdale, MN | 16 | PVGPATDIS, file of 2026-04-10 | |
| Eugene A. Dickhudt | Lino Lakes, MN | 32 | PVGPATDIS, file of 2026-04-10 | |
| Thomas Godfrey Berg | Centerville, MN | 20 | PVGPATDIS, file of 2026-04-10 | |
| Brian P. Beaubien | Windom, MN | 28 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61B | Diagnosis; surgery; identification | A61B17/1671 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-08-05 | Assignment Assignment of assignor's interest | SIVANTAGE, INC. signed 2025-08-01 | TENON MEDICAL, INC. LOS GATOS, CA | 71936/432 | PASDL, file of 2026-10-15 |
| 2025-03-25 | Assignment Assignment of assignor's interest | SURGALIGN SPINE TECHNOLOGIES, INC. signed 2023-05-03 | SIVANTAGE, INC. TAMPA, FL | 70625/388 | PASDL, file of 2026-10-15 |
| 2021-01-21 | Name change Change of name | RTI SURGICAL, INC. signed 2020-07-17 | SURGALIGN SPINE TECHNOLOGIES, INC. DEERFIELD, IL | 55066/774 | PASDL, file of 2026-10-15 |
| 2020-07-21 | Release of security interest Release of security interest | JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT signed 2020-07-20 | RTI SURGICAL, INC. ALACHUA, FL PIONEER SURGICAL TECHNOLOGY, INC. ALACHUA, FL TUTOGEN MEDICAL, INC. ALACHUA, FL | 53260/398 | PASDL, file of 2026-10-15 |
| 2020-07-20 | Release of security interest Release of security interest | ARES CAPITAL CORPORATION, AS AGENT signed 2020-07-20 | RTI SURGICAL, INC. ALACHUA, FL PIONEER SURGICAL TECHNOLOGY, INC. ALACHUA, FL TUTOGEN MEDICAL, INC. ALACHUA, FL PARADIGM SPINE, LLC NEW YORK, NY FOURTH DIMENSION SPINE, LLC NEW YORK, NY | 53257/652 | PASDL, file of 2026-10-15 |
| 2019-03-08 | Security interest Security interest Security interest | RTI SURGICAL, INC. signed 2019-03-08 PIONEER SURGICAL TECHNOLOGY, INC. signed 2019-03-08 TUTOGEN MEDICAL, INC. signed 2019-03-08 PARADIGM SPINE, LLC signed 2019-03-08 FOURTH DIMENSION SPINE, LLC signed 2019-03-08 | ARES CAPITAL CORPORATION, AS ADMINISTRATIVE AGENT NEW YORK, NY | 48543/505 | PASDL, file of 2026-10-15 |
| 2018-06-06 | Security interest Security interest Security interest | RTI SURGICAL, INC. signed 2018-06-05 PIONEER SURGICAL TECHNOLOGY, INC. signed 2018-06-05 TUTOGEN MEDICAL, INC. signed 2018-06-05 | JPMORGAN CHASE BANK, N.A., AS THE ADMINISTRATIVE AGENT CHICAGO, IL | 46303/926 | PASDL, file of 2026-10-15 |
| 2018-05-02 | Assignment Assignment of assignor's interest | CARR, JEREMY signed 2015-05-12 BEAUBIEN, BRIAN signed 2015-05-13 BERG, THOMAS signed 2015-05-22 ASSELL, ROBERT signed 2015-05-27 DICKHUDT, EUGENE signed 2015-05-28 | ZYGA TECHNOLOGY, INC. MINNETONKA, MN | 45697/42 | ECORSEXC, file of 2026-09-25 |
| 2018-02-06 | Assignment Assignment of assignor's interest | ZYGA TECHNOLOGY, INC. signed 2018-02-02 | RTI SURGICAL, INC. ALACHUA, FL | 44840/299 | PASDL, 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.