GB1393703A - Device for promoting the healing of bone damage - Google Patents

Device for promoting the healing of bone damage

Info

Publication number
GB1393703A
GB1393703A GB2598773A GB2598773A GB1393703A GB 1393703 A GB1393703 A GB 1393703A GB 2598773 A GB2598773 A GB 2598773A GB 2598773 A GB2598773 A GB 2598773A GB 1393703 A GB1393703 A GB 1393703A
Authority
GB
United Kingdom
Prior art keywords
bone
rods
screw
wire
healing
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
GB2598773A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1393703A publication Critical patent/GB1393703A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/6441—Bilateral fixators, i.e. with both ends of pins or wires clamped
    • 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
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets
    • 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
    • A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
    • A61B17/66—Alignment, compression or distraction mechanisms

Abstract

1393703 Healing bone damage W KRAUS 31 May 1973 [9 March 1973] 25987/73 Heading A5R An apparatus for promoting the healing of bone damage comprises at least two metal electrodes insertable in the bone, an A.C. supply having a flexible wire being connectable to each electrode by means of interlockable connecting elements. In one embodiment, each electrode is a bone screw 12, Fig 4 whose head is formed as a socket 25, preferably hexagonal, widened at the inner end by a recess 26 into which spring elements 24 are lockable, those spring elements being carried on a plastics cap 18, detachably mounted in the head of screw 12. The cap 18 is preferably mushroom-shaped with a shank which fits in the socket of the screw and has grooves for wire-like spring elements 24, a connecting wire 15 being brought out laterally through a protector 22, to connect the screw 12 to a receiving coil (16) Fig 1 (not shown). The cap is made of P.T.F.E. In an alternative embodiment, Fig 5, metal rods 30 are passed through each part 10a and 10b of the broken bone, the rods being pointed at one end to facilitate insertion, and being drawn together after insertion by turnbuckles 32, 33. The rods 30 act as electrodes and are connected via element 34, each by its respective wire 14, to an A.C. source. The parts of the rods 30, where they pass through the soft tissue 36, are insulated by tubes 38 of thin P.T.F.E., and the turnbuckles 32, 33, may be at least partly of insulating material, e.g. glassreinforced plastics. At least one eye 40 of each turnbuckle comprises an O-ring 42, compressed by clamping screw 43 so that it presses firmly against rod 30. The end of rod 30 remote from the point may form a connecting element, having an annular groove 44 into which the balls of connecting element 34 can lock. The receiving coil 16, serving as an A.C. source, may be clamped to non-insulated places or rods 30 by means of U-shaped metal clamps 45, electrically connected to the ends of the winding of the coil 16. The bone screws may be of a Co-Cr-Mo alloy, and the A.C. supply should not exceed 1 volt(s) with a frequency greater than 1Hz, but preferably less than 100Hz, with a wave-form having gradually rising and falling flanks.
GB2598773A 1973-03-09 1973-05-31 Device for promoting the healing of bone damage Expired GB1393703A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2311817A DE2311817C2 (en) 1973-03-09 1973-03-09 Stimulation current device to promote the healing of bone damage

Publications (1)

Publication Number Publication Date
GB1393703A true GB1393703A (en) 1975-05-14

Family

ID=5874326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2598773A Expired GB1393703A (en) 1973-03-09 1973-05-31 Device for promoting the healing of bone damage

Country Status (10)

Country Link
US (1) US3918440A (en)
JP (1) JPS5645623B2 (en)
AT (1) AT343268B (en)
CH (1) CH561548A5 (en)
DD (1) DD104195A5 (en)
DE (1) DE2311817C2 (en)
FR (2) FR2220231B1 (en)
GB (1) GB1393703A (en)
IT (1) IT985195B (en)
SE (1) SE393751B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9480837B2 (en) 2013-02-15 2016-11-01 National University Corporation NARA Institute of Science and Technology High-functionality bioelectrode

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US4506674A (en) * 1981-11-10 1985-03-26 Trustees Of The University Of Pennsylvania Method of stimulating osteogenesis with distributed port cathode
US4442846A (en) * 1981-11-10 1984-04-17 University Of Pennsylvania Distributed port bone-piercing cathode for electrically stimulated osteogenesis
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DE3240592A1 (en) * 1982-11-03 1984-05-03 Werner Dipl.-Ing. 8000 München Kraus IMPLANTABLE DEVICE FOR STIMULATING BONE GROWTH
US4535775A (en) * 1983-02-10 1985-08-20 Biolectron, Inc. Method for treatment of non-union bone fractures by non-invasive electrical stimulation
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CN1128944A (en) * 1988-06-13 1996-08-14 卡林技术公司 Apparatus and method of inserting spinal implants
US6210412B1 (en) 1988-06-13 2001-04-03 Gary Karlin Michelson Method for inserting frusto-conical interbody spinal fusion implants
US6120502A (en) * 1988-06-13 2000-09-19 Michelson; Gary Karlin Apparatus and method for the delivery of electrical current for interbody spinal arthrodesis
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FR2648037B1 (en) * 1989-06-07 1991-09-27 Assistance Publique TRANSCUTANEOUS CONNECTION DEVICE
ATE110252T1 (en) * 1989-06-07 1994-09-15 Assistance Publique TRANSCUTANEOUS CONNECTION DEVICE.
DE3942735A1 (en) * 1989-12-22 1991-06-27 Werner Kraus Bone screw connecting plug for use in current stimulus treatment - has tapered hexagonal bore which receives connecting plug after being screwed into broken bone via special screwdriver
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9480837B2 (en) 2013-02-15 2016-11-01 National University Corporation NARA Institute of Science and Technology High-functionality bioelectrode

Also Published As

Publication number Publication date
FR2220231B1 (en) 1978-11-17
ATA463573A (en) 1977-09-15
DE2311817C2 (en) 1984-06-07
DE2311817A1 (en) 1974-09-12
IT985195B (en) 1974-11-30
FR2353272B1 (en) 1979-04-27
JPS5645623B2 (en) 1981-10-27
JPS49120489A (en) 1974-11-18
CH561548A5 (en) 1975-05-15
FR2220231A1 (en) 1974-10-04
US3918440A (en) 1975-11-11
AT343268B (en) 1978-05-26
SE393751B (en) 1977-05-23
FR2353272A1 (en) 1977-12-30
DD104195A5 (en) 1974-03-05

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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