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Filtering of a time-dependent pressure signal

Olde, Bo ; Solem, Kristian LU ; Holmer, Mattias LU and Sternby, Jan (2015) WO2013000777 (A1)
Abstract
A device removes first pulses in a pressure signal of a pressure sensor which is arranged in a fluid containing system to detect the first pulses, which originate from a first pulse generator, and second pulses, which originate from a second pulse generator. The first pulse generator is known to operate in a sequence of pulse cycles, each pulse cycle resulting in at least one first pulse. The device repetitively obtains a current data sample, calculates corresponding a reference value and subtracts the reference value from the current data sample. The reference value is calculated as a function of other data sample(s) in the same pressure signal.; These data sample(s) may be either cycle-synchronized so as to have a corresponding location... (More)
A device removes first pulses in a pressure signal of a pressure sensor which is arranged in a fluid containing system to detect the first pulses, which originate from a first pulse generator, and second pulses, which originate from a second pulse generator. The first pulse generator is known to operate in a sequence of pulse cycles, each pulse cycle resulting in at least one first pulse. The device repetitively obtains a current data sample, calculates corresponding a reference value and subtracts the reference value from the current data sample. The reference value is calculated as a function of other data sample(s) in the same pressure signal.; These data sample(s) may be either cycle-synchronized so as to have a corresponding location in one or more other pulse cycles (e.g. in a preceding pulse cycle) as the current data sample, or be located in proximity to the current data sample. The fluid containing system may include an extracorporeal blood flow circuit, e.g. as part of a dialysis machine, and a cardiovascular system of a human patient. (Less)
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inventor
Olde, Bo ; LU ; LU and Sternby, Jan
organization
publishing date
type
Patent
publication status
published
subject
patent number
WO2013000777 (A1)
language
English
LU publication?
yes
additional info
Year of approval: 2015
id
e25d81b1-73bf-4e3f-a86c-ae0a0d42d9c0 (old id 5466872)
alternative location
http://worldwide.espacenet.com/publicationDetails/originalDocument?FT=D&date=20130103&DB=EPODOC&locale=en_EP&CC=WO&NR=2013000777A1&KC=A1&ND=4
date added to LUP
2016-04-04 14:02:45
date last changed
2018-11-21 21:17:56
@misc{e25d81b1-73bf-4e3f-a86c-ae0a0d42d9c0,
  abstract     = {{A device removes first pulses in a pressure signal of a pressure sensor which is arranged in a fluid containing system to detect the first pulses, which originate from a first pulse generator, and second pulses, which originate from a second pulse generator. The first pulse generator is known to operate in a sequence of pulse cycles, each pulse cycle resulting in at least one first pulse. The device repetitively obtains a current data sample, calculates corresponding a reference value and subtracts the reference value from the current data sample. The reference value is calculated as a function of other data sample(s) in the same pressure signal.; These data sample(s) may be either cycle-synchronized so as to have a corresponding location in one or more other pulse cycles (e.g. in a preceding pulse cycle) as the current data sample, or be located in proximity to the current data sample. The fluid containing system may include an extracorporeal blood flow circuit, e.g. as part of a dialysis machine, and a cardiovascular system of a human patient.}},
  author       = {{Olde, Bo and Solem, Kristian and Holmer, Mattias and Sternby, Jan}},
  language     = {{eng}},
  note         = {{Patent, Patent Number: WO2013000777 (A1)}},
  title        = {{Filtering of a time-dependent pressure signal}},
  url          = {{http://worldwide.espacenet.com/publicationDetails/originalDocument?FT=D&date=20130103&DB=EPODOC&locale=en_EP&CC=WO&NR=2013000777A1&KC=A1&ND=4}},
  year         = {{2015}},
}