GB2310804B - Modified cannula - Google Patents

Modified cannula

Info

Publication number
GB2310804B
GB2310804B GB9712036A GB9712036A GB2310804B GB 2310804 B GB2310804 B GB 2310804B GB 9712036 A GB9712036 A GB 9712036A GB 9712036 A GB9712036 A GB 9712036A GB 2310804 B GB2310804 B GB 2310804B
Authority
GB
United Kingdom
Prior art keywords
modified cannula
cannula
modified
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
GB9712036A
Other versions
GB2310804A (en
GB9712036D0 (en
Inventor
Colin Gerald Caro
Denis Doorly
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.)
Imperial College of Science Technology and Medicine
Original Assignee
Imperial College of Science Technology and Medicine
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
Priority claimed from GBGB9425493.5A external-priority patent/GB9425493D0/en
Application filed by Imperial College of Science Technology and Medicine filed Critical Imperial College of Science Technology and Medicine
Priority to GB9712036A priority Critical patent/GB2310804B/en
Publication of GB9712036D0 publication Critical patent/GB9712036D0/en
Publication of GB2310804A publication Critical patent/GB2310804A/en
Application granted granted Critical
Publication of GB2310804B publication Critical patent/GB2310804B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • 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
    • A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
    • A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
    • A61M60/113—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems in other functional devices, e.g. dialysers or heart-lung machines
    • 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
    • A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
    • A61M60/36—Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
    • A61M60/38—Blood oxygenation
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M2025/0073—Tip designed for influencing the flow or the flow velocity of the fluid, e.g. inserts for twisted or vortex flow
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/12—Blood circulatory system
    • A61M2210/127—Aorta
    • 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
    • A61M25/00—Catheters; Hollow probes

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Mechanical Engineering (AREA)
  • Biophysics (AREA)
  • Emergency Medicine (AREA)
GB9712036A 1994-12-16 1995-12-18 Modified cannula Expired - Fee Related GB2310804B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9712036A GB2310804B (en) 1994-12-16 1995-12-18 Modified cannula

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9425493.5A GB9425493D0 (en) 1994-12-16 1994-12-16 Modified cannula
GB9712036A GB2310804B (en) 1994-12-16 1995-12-18 Modified cannula
PCT/GB1995/002959 WO1996018428A1 (en) 1994-12-16 1995-12-18 Modified cannula

Publications (3)

Publication Number Publication Date
GB9712036D0 GB9712036D0 (en) 1997-08-06
GB2310804A GB2310804A (en) 1997-09-10
GB2310804B true GB2310804B (en) 1998-09-09

Family

ID=26306192

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9712036A Expired - Fee Related GB2310804B (en) 1994-12-16 1995-12-18 Modified cannula

Country Status (1)

Country Link
GB (1) GB2310804B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904896A1 (en) * 1999-02-06 2000-08-10 Convergenza Ag Vaduz Cannula

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474206A (en) * 1982-04-05 1984-10-02 Imed Corporation Apparatus for, and method of, controlling the flow of fluid
US4643712A (en) * 1985-10-18 1987-02-17 Blagoveschensky Gosudarstvenny Meditsinsky Institut Aortic cannula
EP0612536A1 (en) * 1993-02-24 1994-08-31 Minnesota Mining And Manufacturing Company Low velocity aortic cannula

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474206A (en) * 1982-04-05 1984-10-02 Imed Corporation Apparatus for, and method of, controlling the flow of fluid
US4643712A (en) * 1985-10-18 1987-02-17 Blagoveschensky Gosudarstvenny Meditsinsky Institut Aortic cannula
EP0612536A1 (en) * 1993-02-24 1994-08-31 Minnesota Mining And Manufacturing Company Low velocity aortic cannula

Also Published As

Publication number Publication date
GB2310804A (en) 1997-09-10
GB9712036D0 (en) 1997-08-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20091218