ES2144068T3 - Dispositivo para medir la presion de un medio. - Google Patents

Dispositivo para medir la presion de un medio.

Info

Publication number
ES2144068T3
ES2144068T3 ES95108407T ES95108407T ES2144068T3 ES 2144068 T3 ES2144068 T3 ES 2144068T3 ES 95108407 T ES95108407 T ES 95108407T ES 95108407 T ES95108407 T ES 95108407T ES 2144068 T3 ES2144068 T3 ES 2144068T3
Authority
ES
Spain
Prior art keywords
pressure
membranes
media
measurement
space
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES95108407T
Other languages
English (en)
Inventor
Ralf Wamsiedler
Ralf Dr Wojke
Walter Pieper
Horst Christmann-Braun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fresenius Medical Care Deutschland GmbH
Original Assignee
Fresenius Medical Care Deutschland GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6519817&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2144068(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fresenius Medical Care Deutschland GmbH filed Critical Fresenius Medical Care Deutschland GmbH
Application granted granted Critical
Publication of ES2144068T3 publication Critical patent/ES2144068T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0007—Fluidic connecting means
    • G01L19/0023—Fluidic connecting means for flowthrough systems having a flexible pressure transmitting element
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
    • A61M1/3641—Pressure isolators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0627—Protection against aggressive medium in general
    • G01L19/0645—Protection against aggressive medium in general using isolation membranes, specially adapted for protection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14—Housings
    • G01L19/142—Multiple part housings
    • G01L19/144—Multiple part housings with dismountable parts, e.g. for maintenance purposes or for ensuring sterile conditions

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

EN DISPOSITIVOS CONOCIDOS PARA LA MEDICION NO INVASIVA DE LA PRESION DE UN MEDIO SE TRANSMITEN LAS MODIFICACIONES DE PRESION ENTRE LA MEMBRANA DEL TUBO FLEXIBLE Y LA MEMBRANA DE SENSOR O BIEN A TRAVES DE UN LIQUIDO O A TRAVES DEL ESPACIO ENTRE AMBAS MEMBRANAS, CON DISPOSICION DE EVACUACION DISPONIENDO DE LA AYUDA DE UNA BOMBA DE VACIO, DE MODO QUE ESTA DISPOSICION ES COSTOSA. EN EL MARCO DE LA PRESENTE INVENCION SE DESARROLLA UN DISPOSITIVO PARA LA MEDICION NO INVASIVA DE LA PRESION DE UN MEDIO, DE FORMA QUE LAS MEMBRANAS SON PRESIONADAS UNA SOBRE OTRA DE TAL MODO, QUE EL ESPACIO ENTRE LAS MEMBRANAS A TRAVES DE LA DURACION DE LA MEDICION SE REALIZA CONTRA EL VALOR CERO. AMBAS MEMBRANAS SE MUEVEN CON ELLO DE FORMA SINCRONA EN DEPENDENCIA DE LA PRESION EN EL TUBO FLEXIBLE DE TAL FORMA QUE TANTO EN DISPOSICION POSITIVA COMO TAMBIEN NEGATIVA PUEDE SER MEDIDA LA PRESION. SE REPRESENTAN ADEMAS POSIBILIDADES DE LA CONFIGURACION DE UNA CAMARA DE MEDICION DE PRESION, EN DONDE SE MINIMIZA EL ESPACIOMUERTO. EL DISPOSITIVO DE ACUERDO CON LA INVENCION ES APROPIADO PARA NUMEROSOS MEDIOS, EN PARTICULAR ES APROPIADO PARA LA MEDICION DE PRESION EN DESARROLLO DE CIRCUITO SANGUINEO EXTRACORPORAL, POR EJEMPLO EN UN SISTEMA DE DIALISIS.
ES95108407T 1994-06-03 1995-06-01 Dispositivo para medir la presion de un medio. Expired - Lifetime ES2144068T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4419593A DE4419593A1 (de) 1994-06-03 1994-06-03 Vorrichtung zum Messen des Drucks eines Mediums

Publications (1)

Publication Number Publication Date
ES2144068T3 true ES2144068T3 (es) 2000-06-01

Family

ID=6519817

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95108407T Expired - Lifetime ES2144068T3 (es) 1994-06-03 1995-06-01 Dispositivo para medir la presion de un medio.

Country Status (5)

Country Link
US (1) US5614677A (es)
EP (1) EP0685721B1 (es)
JP (1) JP3526965B2 (es)
DE (2) DE4419593A1 (es)
ES (1) ES2144068T3 (es)

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Also Published As

Publication number Publication date
DE4419593A1 (de) 1995-12-07
EP0685721A3 (de) 1997-07-30
DE59508114D1 (de) 2000-05-11
JP3526965B2 (ja) 2004-05-17
EP0685721A2 (de) 1995-12-06
JPH07333093A (ja) 1995-12-22
EP0685721B1 (de) 2000-04-05
US5614677A (en) 1997-03-25

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