Patents
US 11684702 B2: Gap control in electrosurgical instruments using expanded polytetrafluoroethylene
- Granted
- 2023-06-27
- Filed
- 2020-05-13 application 15930610
- Type
- Utility · 10 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An electrosurgical device having a pair of jaws, at least one electrode supported by one of the pair of jaws, and a sheet of expanded polytetrafluoroethylene positioned in covering relation to at least a portion of the at least one electrode. The sheet may have a porosity of between thirty and ninety percent. The sheet may have a plurality of pores with an average diameter of between 0.2 and 1.0 micrometers.
Source: PVGPATDIS, file of 2026-04-10 (ipg230627.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Conmed Corporation 303 patents | US company or organization | Utica, NY | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Derek Eilers | Denver, CO | 7 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61L | Methods or apparatus for sterilising materials or objects in general; disinfection, sterilisation or deodorisation of air; chemical aspects of bandages, dressings, absorbent pads or surgical articles; materials for bandages, dressings, absorbent pads or surgical articles | A61L31/10 | PVGPATDIS, file of 2026-04-10 |
| A61B | Diagnosis; surgery; identification | A61B18/1445 | 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 |
|---|---|---|---|---|---|
| 2025-07-21 | Security interest Security interest Security interest | CONMED CORPORATION signed 2025-06-10 BIOREZ, INC. signed 2025-06-10 BUFFALO FILTER LLC signed 2025-06-10 IN2BONES USA, LLC signed 2025-06-10 LINVATEC CORPORATION signed 2025-06-10 SURGIQUEST, INC. signed 2025-06-10 VIKING SYSTEMS, INC. signed 2025-06-10 | JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT CHICAGO, IL | 72097/762 | PASDL, file of 2026-10-15 |
| 2020-05-18 | Assignment Assignment of assignor's interest | EILERS, DEREK signed 2020-05-13 | CONMED CORPORATION UTICA, NY | 52687/571 | 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.