Devices and methods for treatment of damaged tissue

US9895471B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9895471-B2
Application numberUS-201514614618-A
CountryUS
Kind codeB2
Filing dateFeb 5, 2015
Priority dateFeb 14, 2008
Publication dateFeb 20, 2018
Grant dateFeb 20, 2018

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  1. Title

    What the patent document calls the invention.

  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Methods and devices for treatment of damaged tissue are disclosed, including treatment of wounds by employing non-electrically powered, reduced pressure therapy devices. Maintenance and control of the sub atmospheric pressure exerted may be provided by such devices while minimizing discomfort to the user. The devices may be configured to be worn inconspicuously underneath clothing.

First claim

Opening claim text (preview).

What is claimed: 1. A mechanically chargeable reduced pressure therapy device, comprising: a chamber with a spring retainer therein; a sliding seal residing in the chamber and configured to form a sliding seal with the chamber, the sliding seal comprising a central opening and at least one curved surface; two springs with opposing positions and configured to act on different regions of the at least one curved surface; a rod member configured to push the sliding seal in the chamber; and a valve configured to selectively permit fluid communication with the chamber. 2. The mechanically chargeable reduced pressure therapy device of claim 1 , wherein the mechanically chargeable reduced pressure therapy device is a multi-chamber device. 3. The mechanically chargeable reduced pressure therapy device of claim 1 , wherein the sliding seal further comprises a seal and a seal mount. 4. The mechanically chargeable reduced pressure therapy device of claim 3 , wherein the sliding seal further comprises a space between the seal and the seal mount. 5. The mechanically chargeable reduced pressure therapy device of claim 4 , wherein the space is configured to receive a portion of each of the two springs. 6. A mechanically chargeable reduced pressure therapy device, comprising: a chamber with a spring retainer therein; a sliding seal residing in the chamber and configured to form a sliding seal with the chamber, the sliding seal comprising a central opening, a seal, and a seal mount; two springs with opposing positions and configured to act on different regions of the sliding seal, wherein a space between the seal and the seal mount receives a portion of each of the two springs; a rod member configured to push the sliding seal in the chamber; and a valve configured to selectively permit fluid communication with the chamber. 7. The mechanically chargeable reduced pressure therapy device of claim 6 , wherein the mechanically chargeable reduced pressure therapy device is a multi-chamber device.

Assignees

Inventors

Classifications

  • with two lift valves being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal · CPC title

  • Connectors between drainage tube and handpiece, e.g. drainage tubes detachable from handpiece · CPC title

  • Containers specifically adapted for negative pressure wound therapy · CPC title

  • Suction control thereof · CPC title

  • Connectors between dressing and drainage tube · CPC title

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Frequently asked questions

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What does patent US9895471B2 cover?
Methods and devices for treatment of damaged tissue are disclosed, including treatment of wounds by employing non-electrically powered, reduced pressure therapy devices. Maintenance and control of the sub atmospheric pressure exerted may be provided by such devices while minimizing discomfort to the user. The devices may be configured to be worn inconspicuously underneath clothing.
Who is the assignee on this patent?
Kci Licensing Inc
What technology area does this patent fall under?
Primary CPC classification A61M1/0009. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Feb 20 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).