Patents
US 8734452 B2: Guidance system,tools and devices for spinal fixation
- Granted
- 2014-05-27
- Filed
- 2007-12-13 application 11955621
- Type
- Utility · 24 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A system for attaching first and second spine fixation elements at a predetermined angle relative to each other to first and second locations of a vertebra, respectively includes first and second guide arms pivotally connected to each other at a first pivot point and configured to pivot around a pivot axis passing through the first pivot point, and first and second guide tubes passing through first and second elongated through-bore openings formed in the first and second guide arms, respectively, and forming an X-structure as they exit the first and second through-bore openings.
Source: PVGPATDIS, file of 2026-04-10 (ipg140527.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SPINEFRONTIER, INC 25 patents | US company or organization | Beverly, MA | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Kingsley R. Chin | West Palm Beach, FL | 46 | Person page FUZZY medium confidence | PVGPATDIS, file of 2026-04-10 |
| Christopher A. Chang | Beverly, MA | 10 | PVGPATDIS, file of 2026-04-10 | |
| Ernie Corrao | Bethel, CT | 21 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61B | Diagnosis; surgery; identification | A61B17/1757 | 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 |
|---|---|---|---|---|---|
| 2020-10-13 | Release of security interest Release of security interest | MIDCAP BUSINESS CREDIT LLC signed 2020-10-08 | SPINEFRONTIER, L.L.S. MALDEN, MA | 54064/205 | PASDL, file of 2026-10-15 |
| 2020-10-12 | Assignment Assignment of assignor's interest | SPINEFRONTIER, LLS signed 2019-07-01 | KIC VENTURES, LLC MALDEN, MA | 54027/319 | PASDL, file of 2026-10-15 |
| 2020-10-05 | Correction Corrective assignment to correct the nature of conveyance on the cover sheet previously recorded at reel: 037598 frame: 0905. assignor(s) hereby confirms the patent security agreement. | SPINEFRONTIER, LLS signed 2015-12-29 | MIDCAP BUSINESS CREDIT LLC WEST HARTFORD, MI | 53979/191 | PASDL, file of 2026-10-15 |
| 2020-10-05 | Assignment Assignment of assignor's interest | SPINEFRONTIER, INC signed 2019-07-01 | KIC VENTURES, LLC MALDEN, MA | 53972/737 | PASDL, file of 2026-10-15 |
| 2020-10-05 | Release of security interest Release of security interest | MIDCAP BUSINESS CREDIT LLC signed 2017-05-05 | SPINEFRONTIER, L.L.S. MALDEN, MA | 53971/370 | PASDL, file of 2026-10-15 |
| 2016-01-27 | Assignment Assignment of assignor's interest | SPINEFRONTIER, L.L.S. signed 2015-12-29 | MIDCAP BUSINESS CREDIT LLC WEST HARTFORD, CT | 37598/905 | 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.