Patents
US 11684519 B2: Medical dressing to treat sucking chest wound
- Granted
- 2023-06-27
- Filed
- 2021-01-11 application 17146151
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A medical dressing including: a flexible base layer including a front surface configured to face a skin of a patient and a back surface opposite the front surface, wherein the flexible base layer includes a first opening; an adhesive layer on the front surface of the base layer; a flexible cover layer entirely covering the opening of the base layer; a flexible intermediate layer sandwiched between the base layer and the cover layer, wherein the base layer, cover layer and intermediate layer joined together along an annular pattern extending entirely around the first and second openings, wherein the annular pattern joints the base layer to the intermediate layer entirely around the first and second openings, and the annular pattern joins the layers around the first and second openings except at slots extending beyond an outer edge of the cover layer and ending before an outer edge of the intermediate layer.
Source: PVGPATDIS, file of 2026-04-10 (ipg230627.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SAFEGUARD MEDICAL HOLDCO, LLC 5 patents | US company or organization | Harrisburg, NC | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Paul X. Harder | Williamsburg, VA | 7 | PVGPATDIS, file of 2026-04-10 | |
| Jeffrey Brian Gray | Indianapolis, IN | 5 | PVGPATDIS, file of 2026-04-10 | |
| John Biddle | Rua Capitão Jordão, IN | 4 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61F | Filters 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 kits | A61F13/143 | PVGPATDIS, file of 2026-04-10 |
| B29C | Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-treatment of the shaped products, e.g. repairing | B29C65/04 | PVGPATDIS, file of 2026-04-10 |
| B32B | Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form | B32B3/266 | PVGPATDIS, file of 2026-04-10 |
| B29L | Indexing scheme associated with subclass b29c, relating to particular articles | B29L2031/753 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T428/24322 | 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 |
|---|---|---|---|---|---|
| 2022-09-09 | Security interest Security interest Patent and trademark security agreement | AUTOMEDX, LLC signed 2022-09-09 COMBAT MEDICAL SYSTEMS, LLC signed 2022-09-09 EINSTEIN WORKS, LLC signed 2022-09-09 H&H MEDICAL CORPORATION signed 2022-09-09 O.M. PERFORMANCE, INC. signed 2022-09-09 SAFEGUARD MEDICAL HOLDCO LLC signed 2022-09-09 SAFEGUARD US HOLDCO INC signed 2022-09-09 SAFEGUARD US OPERATING, LLC signed 2022-09-09 WATER-JEL TECHNOLOGIES, LLC signed 2022-09-09 | WHITE OAK HEALTHCARE FINANCE, LLC, AS ADMINISTRATIVE AGENT NEW YORK, NY | 61404/34 | ECORSEXC, file of 2026-09-25 |
| 2022-06-02 | Release of security interest Release of security interest | HSBC BANK USA, NATIONAL ASSOCIATION signed 2022-05-31 | H&H MEDICAL CORPORATION WILLIAMSBURG, VA | 60079/196 | ECORSEXC, file of 2026-09-25 |
| 2021-07-29 | Assignment Assignment of assignor's interest | H&H MEDICAL CORPORATION signed 2021-07-29 | SAFEGUARD MEDICAL HOLDCO, LLC HARRISBURG, NC | 57024/22 | ECORSEXC, file of 2026-09-25 |
| 2021-05-18 | Security interest Security interest Security interest | H&H MEDICAL CORPORATION signed 2021-05-14 | HSBC BANK USA, NATIONAL ASSOCIATION BUFFALO, NY | 56269/514 | ECORSEXC, file of 2026-09-25 |
| 2021-01-11 | Assignment Assignment of assignor's interest | MARIAN, INC. signed 2021-01-08 | H&H MEDICAL CORPORATION WILLIAMSBURG, VA | 54881/888 | ECORSEXC, file of 2026-09-25 |
| 2021-01-11 | Assignment Assignment of assignor's interest | POLYMER SCIENCE, INC. signed 2021-01-08 | H&H MEDICAL CORPORATION WILLIAMSBURG, VA | 54881/839 | ECORSEXC, file of 2026-09-25 |
| 2021-01-11 | Assignment Assignment of assignor's interest | HARDER, PAUL X. signed 2021-01-07 | H&H MEDICAL CORPORATION WILLIAMSBURG, VA | 54880/372 | ECORSEXC, file of 2026-09-25 |
| 2021-01-11 | Assignment Assignment of assignor's interest | GRAY, JEFFREY B. signed 2021-01-08 | MARIAN, INC. INDIANAPOLIS, IN | 54880/322 | ECORSEXC, file of 2026-09-25 |
| 2021-01-11 | Assignment Assignment of assignor's interest | BIDDLE, JOHN signed 2021-01-08 | POLYMER SCIENCE, INC. MONTICELLO, IN | 54880/210 | 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.