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Negative pressure device for intra-abdominal pressure reduction

M David, D Geido, F Pracca, G Sánchez, F Simini and C Zoppolo

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A device that generates negative extra-abdominal pressure (ABDOPRE) for treatment of patients with high intra-abdominal pressure was developed. It includes pressure sensors for transducing intra-abdominal pressure through an intra-vesical catheter and negative pressure in the vacuum bell which is placed over the abdomen. By means of a control system, a pattern for reducing IAP is set, according to a clinical protocol. The external negative pressure is generated using a vacuum pump connected to the bell. The system registers the values of interest for the medical history. The system is being tested over ICU patients, registering a satisfactory IAP reduction.


PACS

87.80.-y Biophysical techniques (research methods)

07.07.Df Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing

07.05.Dz Control systems

Subjects

Instrumentation and measurement

Medical physics

Biological physics

Dates

Issue 1 (2007)



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