Method and device for monitoring loss of body fluid and...

Surgery – Blood drawn and replaced or treated and returned to body

Reexamination Certificate

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Details

C604S006160, C604S005010, C210S646000, C210S739000, C600S362000, C600S371000

Reexamination Certificate

active

11280457

ABSTRACT:
A method of alerting medical personnel of a problem during hemodialysis includes providing an active, fail-to-safe site sensor for a fistula needle at an access site during hemodialysis; and automatically alerting medical personnel of a problem during hemodialysis using the active, fail-to-safe site sensor during at least the following: failing of the active, fail-to-safe site sensor; insufficient powering to the active, fail-to-safe site sensor; partial fistula needle dislodging from the access site; and complete needle dislodging from the access site.

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