CA2276290A1 - Helical osteosynthetic implant - Google Patents

Helical osteosynthetic implant Download PDF

Info

Publication number
CA2276290A1
CA2276290A1 CA002276290A CA2276290A CA2276290A1 CA 2276290 A1 CA2276290 A1 CA 2276290A1 CA 002276290 A CA002276290 A CA 002276290A CA 2276290 A CA2276290 A CA 2276290A CA 2276290 A1 CA2276290 A1 CA 2276290A1
Authority
CA
Canada
Prior art keywords
blades
nail
bone
implant
helical
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
CA002276290A
Other languages
French (fr)
Other versions
CA2276290C (en
Inventor
Stephen J. Bresina
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.)
Synthes USA LLC
Original Assignee
Synthes (U.S.A.)
Stephen J. Bresina
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 Synthes (U.S.A.), Stephen J. Bresina filed Critical Synthes (U.S.A.)
Publication of CA2276290A1 publication Critical patent/CA2276290A1/en
Application granted granted Critical
Publication of CA2276290C publication Critical patent/CA2276290C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/74—Devices for the head or neck or trochanter of the femur
    • A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
    • A61B17/744—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to an intramedullary nail
    • 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
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/74—Devices for the head or neck or trochanter of the femur
    • A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
    • A61B17/746—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to a plate opposite the femoral head

Abstract

An osteosynthetic implant for setting a broken bone is provided. The implant comprises a nail having a plurality of helically twisted blades that share a common helical axis. At least two of the blades define an angle of less than 180° in a plane perpendicular to the helical axis. The blades are twisted by at least about 30°. A cannulation runs through the center of the nail to receive a guide wire. The nail is slidably engageable to a securing member that is securable to an elongated portion of the bone, such as a side plate or an intramedullary nail. In a preferred implantation orientation, the proximate portion of the tapered blades is parallel to the elongated portion of the bone, and a proximate portion of the uniform blades is perpendicular thereto.
CA002276290A 1997-01-13 1997-12-09 Helical osteosynthetic implant Expired - Fee Related CA2276290C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/782,231 US5741256A (en) 1997-01-13 1997-01-13 Helical osteosynthetic implant
US08/782,231 1997-01-13
PCT/EP1997/006863 WO1998030164A1 (en) 1997-01-13 1997-12-09 Helical osteosynthetic implant

Publications (2)

Publication Number Publication Date
CA2276290A1 true CA2276290A1 (en) 1998-07-16
CA2276290C CA2276290C (en) 2007-01-09

Family

ID=25125427

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002276290A Expired - Fee Related CA2276290C (en) 1997-01-13 1997-12-09 Helical osteosynthetic implant

Country Status (12)

Country Link
US (2) US5741256A (en)
EP (1) EP0961587B1 (en)
JP (1) JP4131989B2 (en)
CN (1) CN1158974C (en)
AT (1) ATE250892T1 (en)
AU (1) AU712089B2 (en)
CA (1) CA2276290C (en)
DE (1) DE69725342T2 (en)
ES (1) ES2207761T3 (en)
HK (1) HK1021930A1 (en)
TW (1) TW391874B (en)
WO (1) WO1998030164A1 (en)

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Publication number Publication date
ATE250892T1 (en) 2003-10-15
CN1158974C (en) 2004-07-28
EP0961587B1 (en) 2003-10-01
US5908422A (en) 1999-06-01
AU5755198A (en) 1998-08-03
ES2207761T3 (en) 2004-06-01
AU712089B2 (en) 1999-10-28
JP4131989B2 (en) 2008-08-13
HK1021930A1 (en) 2000-07-21
JP2001507965A (en) 2001-06-19
DE69725342D1 (en) 2003-11-06
EP0961587A1 (en) 1999-12-08
US5741256A (en) 1998-04-21
CA2276290C (en) 2007-01-09
WO1998030164A1 (en) 1998-07-16
TW391874B (en) 2000-06-01
CN1244105A (en) 2000-02-09
DE69725342T2 (en) 2004-08-19

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