Pressure measurement devices, methods, and systems

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United States of America Patent

PATENT NO 9835509
SERIAL NO

15219334

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Abstract

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A pressure measurement system for use in blood circuits comprised of a pressure sensing pod and a force measurement device. The pressure sensing pod can include a flexible, moveable, fluid-impermeable diaphragm and can be formed via either a one-shot or a two-shot molding process. A mechanical engagement member of the force measurement device engages with a mechanical engagement feature of the diaphragm, and the engagement member is operative to move in concert with movement of the engagement feature of the diaphragm based on pressure variations with the pressure sensing pod. The force measurement device generates and outputs to a processor a signal based on detected force associated with movement of the engagement member.

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Patent Owner(s)

Patent OwnerAddress
NXSTAGE MEDICAL INC350 MERRIMACK STREET 7TH FLOOR LAWRENCE MA 01843

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brugger, James M Newburyport, US 233 13885
Buckler, Kenneth E Methuen, US 16 205
Burbank, Jeffrey H Boxford, US 182 12966
Newell, Scott W Ipswich, US 48 525
Schnell, William J Libertyville, US 131 4102
Treu, Dennis M Castle Rock, US 155 10820

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