Patient line blockage detection

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12246119
APP PUB NO 20230270922A1
SERIAL NO

18144729

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A dialysis machine (e.g., a peritoneal dialysis (PD) machine) can include a pressure sensor mounted at a proximal end of a patient line made of a distensible material that provides PD solution to a patient through a catheter. During treatment, an occlusion can occur at different locations in the patient line and/or the catheter. When an incremental volume of additional solution is provided to the patient line while the occlusion is present, a change in pressure results. The change in pressure depends on dimensions and a distensibility of a non-occluded portion of the patient line. If the change in pressure, the incremental volume, properties related to the distensibility of the patient line, and some of the dimensions of the patient line are known, a location of the occlusion can be inferred. An occlusion type can be inferred based on the inferred location.

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Patent Owner(s)

  • FRESENIUS MEDICAL CARE HOLDINGS INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crawford, William Scott Palo Alto, US 18 92
Ohline, Robert Matthew Redwood City, US 30 1607

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