Patent · US Expired

Noninvasive-blood-pressure (NIBP) monitoring apparatus with noninflatable, pressure-information-providing (PIP) structure

US5351694A · kind A · utility

21Cited by
14References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1992
Grant dateOct 4, 1994
Priority date
Expiry dateNov 16, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B5/02225
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Noninvasive-blood-pressure (NIBP) monitoring apparatus is disclosed which is usable to perform either oscillometric or auscultatory NIBP. The apparatus includes relatively adjustable, noninflatable, pressure-information-providing (PIP) structure usable to apply NIBP-useful pressure to such limb adjacent such vessel. Also included is pressure-changer structure associated with the PIP structure, and operable to adjust the same to a beginning NIBP-useful pressure, and to subsequent NIBP-useful pressures, with such adjustment effecting the availability of pressure information that can be sensed by such sensor structure. The apparatus is preferably constructed for oscillometric NIBP monitoring and includes a reaction band removably fittable on and circumscribingly about the limb of such living subject. The preferred construction is for portable, self-contained, ambulatory usage. Other embodiments include providing an output communicator for sending NIBP-data signals in various outputs including electrical, wireless and optical, and visually perceptible ones.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.