Heat-assisted pumping systems for use in negative pressure wound therapy
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United States of America Patent
Stats
-
Jul 27, 2021
Grant Date -
May 24, 2018
app pub date -
May 18, 2016
filing date -
May 18, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device and method for treating a wound of a patient with negative pressure is provided. The device comprises a heat-assisted pump system. The pump system can be powered in part by heat derived from the patient. The pump system may be configured to be highly planar, light weight, and portable. The pump system may comprise a Stirling engine or a thermal acoustic engine.
First Claim
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International Classification(s)
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- F04B:POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F01B:MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DIS....
- F03G:SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICA....
- A61M:DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE B....
- F02G:HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEME....
- 2016 Application Filing Year
- A61F Class
- 6495 Applications Filed
- 4723 Patents Issued To-Date
- 72.72 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- A61F Class
- 53.49 % this patent is cited more than
- 4 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 27, 2025 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 27, 2029 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 27, 2033 |
