Device and method for monitoring access to a patient, in particular access to vessels during extracorporeal blood treatment
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United States of America Patent
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May 15, 2012
Grant Date -
Dec 10, 2009
app pub date -
Dec 8, 2006
filing date -
Mar 11, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a device and to a method for monitoring access to vessels during extracorporeal blood treatment. The invention forms a loop in the arterial and/or venous line and provides device for fixing a section of the line in a loop. When the line is stressed under tension, the loop contracts and the line finally kinks. The modification of the diameter of the line and the formation of a kink in the line leads to a rise of pressure in the line, which is monitored by a pressure monitoring device. If the pressure exceeds a predetermined threshold value, the aspirating cannula is in danger of slipping out of the vessel access or has partially or completely slipped out, thus allowing the threshold value to be determined for alarms.
First Claim
Family
International Classification(s)
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- A41F:GARMENT FASTENINGS; SUSPENDERS
- B42F:SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLI....
- F16D:COUPLINGS FOR TRANSMITTING ROTATION
- A61M:DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE B....
- A44B:BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LI....
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