Patents
US 12239503 B2: Magnetic-field-adjustable micromagnetic orthodontic accelerator
- Granted
- 2025-03-04
- Filed
- 2023-01-17 application 18097544
- Type
- Utility · 3 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A magnetic-field-adjustable micromagnetic orthodontic accelerator includes a cheek side plate, a tongue side plate and a supporting plate to form a structure of teeth sleeves, cheek side magnets and tongue side magnets are arranged on the cheek side plate and the tongue side plate respectively, the cheek side magnets and the tongue side magnets form a micro magnetic field environment around roots of to-be-moved teeth receiving orthodontic treatment, physiological magnetic field loss caused by traction of the orthodontic accessory is effectively compensated, metabolism and reconstruction of periodontal tissue of the to-be-moved teeth are promoted, and the orthodontic teeth moving process is accelerated.
Source: PVGPATDIS, file of 2026-04-10 (ipg250304.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Union Hospital 2 patents | Foreign company or organization | 红钢城街道, CN | UNION HOSPITAL INC Nonprofit FUZZY medium confidence: same name (governing-board words and legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
| Tongji Medical College 1 patents | Foreign company or organization | 红钢城街道, CN | PVGPATDIS, file of 2026-04-10 | |
| HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY 511 patents | Foreign company or organization | 红钢城街道, CN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Lili Chen | 红钢城街道, CN | 234 | PVGPATDIS, file of 2026-04-10 | |
| Jiwei Sun | 红钢城街道, CN | 25 | PVGPATDIS, file of 2026-04-10 | |
| Qingming Tang | 红钢城街道, CN | 10 | PVGPATDIS, file of 2026-04-10 | |
| JunYuan Zhang | 红钢城街道, CN | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61C | Dentistry; apparatus or methods for oral or dental hygiene | A61C7/00 | PVGPATDIS, file of 2026-04-10 |
| A61N | Electrotherapy; magnetotherapy; radiation therapy; ultrasound therapy | A61N2/002 | 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 |
|---|---|---|---|---|---|
| 2023-01-17 | Assignment Assignment of assignor's interest | CHEN, LILI signed 2023-01-13 SUN, JIWEI signed 2023-01-13 TANG, QINGMING signed 2023-01-13 ZHANG, JUNYUAN signed 2023-01-13 | UNION HOSPITAL, TONGJI MEDICAL COLLEGE, HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY WUHAN | 62389/488 | ECORSEXC, 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.