Source: http://www.google.co.uk/patents/US8540687
Timestamp: 2017-12-13 22:52:39
Document Index: 192646139

Matched Legal Cases: ['Application No. 60', 'Application No. 07001838', 'Application No. 5255', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 00991498', 'Application No. 00991498', 'Application No. 01', 'Application No. 01998292', 'Application No. 01998292', 'Application No. 01998292', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02', 'Application No. 02784588', 'Application No. 03', 'Application No. 08010957', 'Application No. 99', 'Application No. 2001', 'Application No. 2004', 'Application No. 2004', 'Application No. 2008', 'Application No. 2008', 'Application No. 2', 'Application No. 01', 'Application No. 2009', 'Application No. 02794388', 'Application No. 02794392', 'Application No. 02794393', 'Application No. 02794394', 'Application No. 02794397', 'Application No. 02796039', 'Application No. 07001838', 'Application No. 08010957']

Patent US8540687 - Wound treatment apparatus - Google Patents
A wound treatment apparatus comprises: a fluid drainage tube configured to be coupled to a fluid drainage passageway of a wound bandage; first and second fluid drainage receptacles coupled to the drainage tube; and first and second valves coupled between the fluid drainage tube and the first and second...http://www.google.co.uk/patents/US8540687?utm_source=gb-gplus-sharePatent US8540687 - Wound treatment apparatus
Publication number US8540687 B2
Application number US 12/860,581
Also published as CA2338443A1, CA2338443C, DE69923689D1, DE69923689T2, EP1100574A1, EP1100574B1, US6458109, US7276051, US7794438, US9186443, US20070233022, US20100312202, US20140025025, US20160051736, WO2000007653A1
Publication number 12860581, 860581, US 8540687 B2, US 8540687B2, US-B2-8540687, US8540687 B2, US8540687B2
Patent Citations (615), Non-Patent Citations (304), Referenced by (5), Classifications (29), Legal Events (1)
US 8540687 B2
A wound treatment apparatus comprises: a fluid drainage tube configured to be coupled to a fluid drainage passageway of a wound bandage; first and second fluid drainage receptacles coupled to the drainage tube; and first and second valves coupled between the fluid drainage tube and the first and second fluid drainage receptacles, respectively.
first and second inlet valves coupled between the fluid drainage tube and the first and second fluid drainage receptacles, respectively; and
first and second outlet valves coupled to the first and second fluid drainage receptacles, respectively, on one side of each outlet valve and configured to be coupled to a vacuum source for providing a negative pressure on the other side of each outlet valve;
wherein the first inlet valve and the first outlet valve are configured to be opened to fill the first fluid drainage receptacle and the second inlet valve is closed to prevent the second fluid drainage receptacle from filling.
2. The apparatus of claim 1, further comprising a vacuum source coupled to the first and second outlet valves such that the vacuum source can communicate negative pressure to the first and second fluid drainage receptacles.
3. The apparatus of claim 2, further comprising a bandage including a wound facing surface configured to face toward a wound and a fluid drainage passageway having an opening adjacent the wound facing surface, the fluid drainage passageway configured to be coupled to the fluid drainage tube.
4. The apparatus of claim 2, further comprising a controller coupled to the first and second inlet valves, the controller configured to select which fluid drainage receptacle can receive fluid from fluid drainage tube.
5. The apparatus of claim 4, wherein the valves are pinch valves.
6. The apparatus of claim 4, further comprising a first sensor coupled to the first fluid drainage receptacle to provide a signal indicative of an amount of fluid in the first fluid drainage receptacle.
7. The apparatus of claim 6, further comprising a second sensor coupled to the second drainage receptacle to provide a signal indicative of an amount of fluid in the second fluid drainage receptacle.
8. The apparatus of claim 7, where the first and second sensors are pressure sensors.
9. The apparatus of claim 7, further comprising a first exhaust valve coupled to the first fluid drainage receptacle such that the first exhaust valve can be opened to vent excess pressure from the first fluid drainage receptacle, and a second exhaust valve coupled to the second fluid drainage receptacle such that the second exhaust valve can be opened to vent excess pressure from the second fluid drainage receptacle.
10. The apparatus of claim 9, where the first and second exhaust valves are coupled to the controller such that the controller can open the exhaust valves.
11. The apparatus of claim 1, wherein the second inlet valve and the second outlet valve are configured to be opened to fill the second fluid drainage receptacle and the first inlet valve is closed to prevent the first fluid drainage receptacle from filling.
12. A wound treatment apparatus comprising:
a vacuum source coupled to the first and second fluid drainage receptacles such that the vacuum source can communicate negative pressure:
through the first fluid drainage receptacle to the drainage tube if the first valve is open; and through the second fluid drainage receptacle to the drainage tube if the second valve is open; and
13. The apparatus of claim 12, wherein the valves are pinch valves.
14. The apparatus of claim 12, further comprising a first sensor coupled to the first fluid drainage receptacle to provide a signal indicative of an amount of fluid in the first fluid drainage receptacle.
15. The apparatus of claim 14, further comprising a second sensor coupled to the second drainage receptacle to provide a signal indicative of an amount of fluid in the second fluid drainage receptacle.
16. The apparatus of claim 15, where the first and second sensors are pressure sensors.
17. The apparatus of claim 15, further comprising a first exhaust valve coupled to the first fluid drainage receptacle such that the first exhaust valve can be opened to vent excess pressure from the first fluid drainage receptacle, and a second exhaust valve coupled to the second fluid drainage receptacle such that the second exhaust valve can be opened to vent excess pressure from the second fluid drainage receptacle.
18. The apparatus of claim 17, where the first and second exhaust valves are coupled to the controller such that the controller can open the exhaust valves.
This application is a divisional application of U.S. patent application Ser. No. 11/761,066, filed Jun. 11, 2007, now U.S. Pat. No. 7,794,438; which is a divisional application of U.S. patent application Ser. No. 09/743,737, filed Jan. 16, 2001, now U.S. Pat. No. 7,276,051; which is a U.S. National Counterpart Application of International Patent Application, Serial No. PCT/US99/17877, filed Aug. 6, 1999; which claims priority to U.S. Provisional Patent Application Ser. No. 60/095,625, filed Aug. 7, 1998; and which claims priority to, and is a divisional application of U.S. patent application Ser. No. 09/369,113; filed Aug. 5, 1999, now U.S. Pat. No. 6,458,109. U.S. Provisional Patent Application No. 60/095,625, International Patent Application No. PCT/US99/17877, and U.S. patent application Ser. No. 09/369,113 are hereby expressly incorporated by reference herein.
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US20140094730 * 24 Sep 2013 3 Apr 2014 Bryan Greener Wound dressing
U.S. Classification 604/289, 602/46, 604/304, 604/305, 602/2, 602/43, 602/41, 604/290
International Classification A61F13/00, A61F7/08, A61M11/00, A61M3/02, A61M35/00, A61M27/00, A61M1/00
Cooperative Classification A61M2205/07, A61M2205/15, A61M2205/3344, A61M2205/366, A61M2205/3653, A61M1/0088, A61M1/0025, A61M1/0027, A61M35/00, A61M1/0058, A61M2205/368, A61M3/0229, A61F2013/0017, A61M1/0031