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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8348850 B1

PDFFull Text
Expired
Date of Patent:
Jan. 08, 2013

Filed:

Sep. 29, 2009

Method of monitoring dislodgement of venous needles in dialysis patients

Applicants:

Stanley Frinak, Farmington Hills, MI (US);

Gerard Zasuwa, W. Bloomfield, MI (US);

Jerry Yee, Beverly Hills, MI (US);

Anatole Besarab, Bloomfield Hills, MI (US);

Inventors:

Stanley Frinak, Farmington Hills, MI (US);

Gerard Zasuwa, W. Bloomfield, MI (US);

Jerry Yee, Beverly Hills, MI (US);

Anatole Besarab, Bloomfield Hills, MI (US);

Assignee:

Henry Ford Health System, Detroit, MI (US);

Attorney:

Brooks Kushman P.C.

Primary Examiner:

Patricia Mallari

Assistant Examiner:

Christian Jang

Int. Cl.
CPC ...
A61B 5/02 (2006.01); A61M 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of detecting a dislodged needle in a hemodialysis procedure includes measuring venous drip pressure of the dialysis machine of a patient undergoing hemodialysis, analyzing the venous drip pressure and deriving intravascular blood pressure at a location of venous needle insertion into the patient, comparing the derived intravascular blood pressure to a standard, repeating the measuring, analyzing and deriving, and comparing steps and, if the intravascular blood pressure is within a specified range of the standard, determining that a needle has been dislodged in the hemodialysis procedure. A method of alerting the patient and medical personnel of a dislodged needle in a hemodialysis procedure includes detecting a drop in intravascular pressure derived from measured venous drip pressure, determining that a needle is dislodged, and alerting medical personnel of the dislodged needle.

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Frinak, Stanley. (2013). Method of monitoring dislodgement of venous needles in dialysis patients (U.S. Patent No. 8348850). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8348850

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