CA1069790A - Permanent magnet device for implantation - Google Patents

Permanent magnet device for implantation

Info

Publication number
CA1069790A
CA1069790A CA264,426A CA264426A CA1069790A CA 1069790 A CA1069790 A CA 1069790A CA 264426 A CA264426 A CA 264426A CA 1069790 A CA1069790 A CA 1069790A
Authority
CA
Canada
Prior art keywords
permanent magnet
magnet device
enveloping body
tissue
bodies
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
CA264,426A
Other languages
English (en)
French (fr)
Inventor
Alexander Beck
Jean-Marcel Piffaretti
Dietmar Weinmann
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Application granted granted Critical
Publication of CA1069790A publication Critical patent/CA1069790A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/00718—Restoration of lid function
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/009—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof magnetic

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Prostheses (AREA)
  • Magnetic Treatment Devices (AREA)
CA264,426A 1975-11-06 1976-10-29 Permanent magnet device for implantation Expired CA1069790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1434275A CH591237A5 (enExample) 1975-11-06 1975-11-06

Publications (1)

Publication Number Publication Date
CA1069790A true CA1069790A (en) 1980-01-15

Family

ID=4400005

Family Applications (1)

Application Number Title Priority Date Filing Date
CA264,426A Expired CA1069790A (en) 1975-11-06 1976-10-29 Permanent magnet device for implantation

Country Status (8)

Country Link
US (1) US4197840A (enExample)
JP (1) JPS5259989A (enExample)
CA (1) CA1069790A (enExample)
CH (1) CH591237A5 (enExample)
DE (2) DE7537747U (enExample)
FR (1) FR2330376A1 (enExample)
GB (1) GB1550219A (enExample)
NL (1) NL7612210A (enExample)

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Also Published As

Publication number Publication date
JPS5259989A (en) 1977-05-17
CH591237A5 (enExample) 1977-09-15
DE2553244A1 (de) 1977-05-12
DE7537747U (de) 1977-08-11
NL7612210A (nl) 1977-05-10
GB1550219A (en) 1979-08-08
US4197840A (en) 1980-04-15
FR2330376A1 (fr) 1977-06-03

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