GB1447394A - Heart pump - Google Patents

Heart pump

Info

Publication number
GB1447394A
GB1447394A GB5525173A GB5525173A GB1447394A GB 1447394 A GB1447394 A GB 1447394A GB 5525173 A GB5525173 A GB 5525173A GB 5525173 A GB5525173 A GB 5525173A GB 1447394 A GB1447394 A GB 1447394A
Authority
GB
United Kingdom
Prior art keywords
air
pressure
blood
chamber
pistons
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
Application number
GB5525173A
Other languages
English (en)
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.)
Pacific Roller Die Co Inc
PACIFIC ROLLER DIE CO
Original Assignee
Pacific Roller Die Co Inc
PACIFIC ROLLER DIE CO
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 Pacific Roller Die Co Inc, PACIFIC ROLLER DIE CO filed Critical Pacific Roller Die Co Inc
Publication of GB1447394A publication Critical patent/GB1447394A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61M60/258—Piston 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
    • A61M60/427—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
    • A61M60/432—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic with diastole or systole switching by stopping or reversing the blood pump operating at a much higher cyclical speed than the heart beat
    • 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
    • A61M60/196—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body replacing the entire heart, e.g. total artificial hearts [TAH]
    • 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
    • A61M60/835—Constructional details other than related to driving of positive displacement 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
    • A61M60/80—Constructional details other than related to driving
    • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
    • A61M60/89—Valves
    • A61M60/894—Passive valves, i.e. valves actuated by the blood

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Mechanical Engineering (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (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)
GB5525173A 1972-12-06 1973-11-28 Heart pump Expired GB1447394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31266872A 1972-12-06 1972-12-06

Publications (1)

Publication Number Publication Date
GB1447394A true GB1447394A (en) 1976-08-25

Family

ID=23212471

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5525173A Expired GB1447394A (en) 1972-12-06 1973-11-28 Heart pump

Country Status (5)

Country Link
JP (1) JPS5321236B2 (https=)
DE (1) DE2361023A1 (https=)
FR (1) FR2209537A1 (https=)
GB (1) GB1447394A (https=)
IT (1) IT1000218B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112741934A (zh) * 2020-12-04 2021-05-04 成都洪德生物技术有限公司 一种防picc导管阻塞的冲管装置
US12279826B2 (en) 2018-11-09 2025-04-22 Semmelweis Egyetem Exoskeleton for assisting surgical positioning, method for producing the exoskeleton

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62119428U (https=) * 1986-01-22 1987-07-29
DE102017000843A1 (de) * 2017-01-31 2018-08-02 Hemovent Gmbh Extrakorporale Blutpumpe, Herz-Lungen-Maschine, Verfahren zum Betreiben einer extrakorporalen Blutpumpe sowie Verfahren zum Betreiben einer Herz-Lungen-Maschine
LU100759B1 (de) 2017-09-20 2019-07-17 Hemovent Gmbh Gas-Austausch-Einheit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12279826B2 (en) 2018-11-09 2025-04-22 Semmelweis Egyetem Exoskeleton for assisting surgical positioning, method for producing the exoskeleton
CN112741934A (zh) * 2020-12-04 2021-05-04 成都洪德生物技术有限公司 一种防picc导管阻塞的冲管装置

Also Published As

Publication number Publication date
IT7354140A1 (it) 1975-06-06
IT1000218B (it) 1976-03-30
JPS5012897A (https=) 1975-02-10
JPS5321236B2 (https=) 1978-07-01
FR2209537A1 (https=) 1974-07-05
DE2361023A1 (de) 1974-06-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee