FR2767565B1 - FERROFLUID ACTUATOR AND ITS APPLICATION TO A HEART RATE DEVICE - Google Patents
FERROFLUID ACTUATOR AND ITS APPLICATION TO A HEART RATE DEVICEInfo
- 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
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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Transplantation (AREA)
- External Artificial Organs (AREA)
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)
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)
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 |
-
1997
- 1997-08-20 FR FR9710504A patent/FR2767565B1/en not_active Expired - Fee Related
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 |