FR2767565B1 - FERROFLUID ACTUATOR AND ITS APPLICATION TO A HEART RATE DEVICE - Google Patents

FERROFLUID ACTUATOR AND ITS APPLICATION TO A HEART RATE DEVICE

Info

Publication number
FR2767565B1
FR2767565B1 FR9710504A FR9710504A FR2767565B1 FR 2767565 B1 FR2767565 B1 FR 2767565B1 FR 9710504 A FR9710504 A FR 9710504A FR 9710504 A FR9710504 A FR 9710504A FR 2767565 B1 FR2767565 B1 FR 2767565B1
Authority
FR
France
Prior art keywords
ferrofluid
actuator
application
heart rate
rate device
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 - Fee Related
Application number
FR9710504A
Other languages
French (fr)
Other versions
FR2767565A1 (en
Inventor
Jean Antoine Gruss
Marcel Locatelli
Alain Bouvier
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR9710504A priority Critical patent/FR2767565B1/en
Publication of FR2767565A1 publication Critical patent/FR2767565A1/en
Application granted granted Critical
Publication of FR2767565B1 publication Critical patent/FR2767565B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
    • A61M60/135—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
    • A61M60/139—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting inside the aorta, e.g. intra-aortic balloon pumps
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/247—Positive displacement blood pumps
    • A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
    • A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
    • A61M60/274—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders the inlet and outlet being the same, e.g. para-aortic counter-pulsation blood pumps
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/424—Details relating to driving for positive displacement blood pumps
    • A61M60/457—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being magnetic
    • A61M60/459—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being magnetic generated by permanent magnets
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
    • A61M60/869—Compliance chambers containing a gas or liquid other than blood to compensate volume variations of a blood chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
FR9710504A 1997-08-20 1997-08-20 FERROFLUID ACTUATOR AND ITS APPLICATION TO A HEART RATE DEVICE Expired - Fee Related FR2767565B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9710504A FR2767565B1 (en) 1997-08-20 1997-08-20 FERROFLUID ACTUATOR AND ITS APPLICATION TO A HEART RATE DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9710504A FR2767565B1 (en) 1997-08-20 1997-08-20 FERROFLUID ACTUATOR AND ITS APPLICATION TO A HEART RATE DEVICE

Publications (2)

Publication Number Publication Date
FR2767565A1 FR2767565A1 (en) 1999-02-26
FR2767565B1 true FR2767565B1 (en) 1999-10-01

Family

ID=9510395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9710504A Expired - Fee Related FR2767565B1 (en) 1997-08-20 1997-08-20 FERROFLUID ACTUATOR AND ITS APPLICATION TO A HEART RATE DEVICE

Country Status (1)

Country Link
FR (1) FR2767565B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6251061B1 (en) * 1998-09-09 2001-06-26 Scimed Life Systems, Inc. Cardiac assist device using field controlled fluid

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3677667A (en) * 1970-08-28 1972-07-18 Clyde A Morrison Peristaltic fluid pump
US3750067A (en) * 1972-03-16 1973-07-31 Nasa Ferrofluidic solenoid
SU1210840A1 (en) * 1983-08-16 1986-02-15 Всесоюзный заочный машиностроительный институт Implanted blood pump
JPS60132081A (en) * 1983-12-21 1985-07-13 Mitsui Eng & Shipbuild Co Ltd Pump appratus equipped with valve
IT1203722B (en) * 1983-12-30 1989-02-23 Sala Berardino Della ROTAL ARTIFICIAL HEART WITH ELECTROMAGNETIC DRIVE
IT1198253B (en) * 1986-12-23 1988-12-21 Sala Berardino Della PERFECTED FERROFLUID ARTIFICIAL HEART PROSTHESIS
JPH0417862A (en) * 1990-05-11 1992-01-22 Toshiba Corp Blood flow pump

Also Published As

Publication number Publication date
FR2767565A1 (en) 1999-02-26

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Legal Events

Date Code Title Description
ST Notification of lapse