FR2179728A1 - Electrical osteogenesis stimulator - esp for healing broken bones in vivo - Google Patents

Electrical osteogenesis stimulator - esp for healing broken bones in vivo

Info

Publication number
FR2179728A1
FR2179728A1 FR7306648A FR7306648A FR2179728A1 FR 2179728 A1 FR2179728 A1 FR 2179728A1 FR 7306648 A FR7306648 A FR 7306648A FR 7306648 A FR7306648 A FR 7306648A FR 2179728 A1 FR2179728 A1 FR 2179728A1
Authority
FR
France
Prior art keywords
esp
vivo
electrical
broken bones
oscillator
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.)
Granted
Application number
FR7306648A
Other languages
French (fr)
Other versions
FR2179728B3 (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.)
National Patent Development Corp
Original Assignee
National Patent Development Corp
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 National Patent Development Corp filed Critical National Patent Development Corp
Publication of FR2179728A1 publication Critical patent/FR2179728A1/en
Application granted granted Critical
Publication of FR2179728B3 publication Critical patent/FR2179728B3/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/375—Constructional arrangements, e.g. casings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A61F2002/2821—Bone stimulation by electromagnetic fields or electric current for enhancing ossification

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Radiology & Medical Imaging (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Electrotherapy Devices (AREA)
  • Prostheses (AREA)

Abstract

An astable multivibrator pulsed oscillator fed via a flexible cable from an external d.c. supply is encased firstly in a corrosion resistant material with an outer layer of material which is non-toxic and inert relative to body tissue. Two elongated electrodes from the output terminals of the oscillator pass through the casing via rigid insulating tubes extending over most of their length the bare ends being applied directly to the boned to be healed or the deformed bone to be corrected. This gives very significant increase in rate of bone growth compared to pure d.c. stimulation methods and is free from undesirable side effects.
FR7306648A 1972-04-12 1973-02-26 Electrical osteogenesis stimulator - esp for healing broken bones in vivo Granted FR2179728A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24320772A 1972-04-12 1972-04-12

Publications (2)

Publication Number Publication Date
FR2179728A1 true FR2179728A1 (en) 1973-11-23
FR2179728B3 FR2179728B3 (en) 1976-02-20

Family

ID=22917764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7306648A Granted FR2179728A1 (en) 1972-04-12 1973-02-26 Electrical osteogenesis stimulator - esp for healing broken bones in vivo

Country Status (3)

Country Link
JP (1) JPS4920983A (en)
DE (1) DE2318576A1 (en)
FR (1) FR2179728A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371205A1 (en) * 1976-11-17 1978-06-16 Electro Biology Inc METHOD AND APPARATUS FOR TREATING LIVING TISSUES AND / OR CELLS BY ELECTROMAGNETIC INDUCTION, WITHOUT IMPLANTATION

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139124A (en) * 1974-09-30 1976-04-01 Asahi Chemical Ind HIGINENKEIKANKOZAIRYONO GENRYOKUHOHO
DE3042751C2 (en) * 1980-11-13 1984-06-07 Torben Ejsing Dr. Randers Joergensen Device for the electrical stimulation of bones in the fracture area
US4665920A (en) * 1984-11-28 1987-05-19 Minnesota Mining And Manufacturing Company Skeletal tissue stimulator and a low voltage oscillator circuit for use therein
EP0874276B1 (en) * 1997-04-24 2000-10-04 Konica Corporation Photographic developer and method for developing silver halide photographic light sensitive material by use thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371205A1 (en) * 1976-11-17 1978-06-16 Electro Biology Inc METHOD AND APPARATUS FOR TREATING LIVING TISSUES AND / OR CELLS BY ELECTROMAGNETIC INDUCTION, WITHOUT IMPLANTATION

Also Published As

Publication number Publication date
FR2179728B3 (en) 1976-02-20
DE2318576A1 (en) 1973-10-18
JPS4920983A (en) 1974-02-23

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Legal Events

Date Code Title Description
ST Notification of lapse