CA2571469A1 - Intramedullary nail - Google Patents

Intramedullary nail Download PDF

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Publication number
CA2571469A1
CA2571469A1 CA002571469A CA2571469A CA2571469A1 CA 2571469 A1 CA2571469 A1 CA 2571469A1 CA 002571469 A CA002571469 A CA 002571469A CA 2571469 A CA2571469 A CA 2571469A CA 2571469 A1 CA2571469 A1 CA 2571469A1
Authority
CA
Canada
Prior art keywords
intramedullary nail
fact
central line
cross
distance
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
CA002571469A
Other languages
French (fr)
Other versions
CA2571469C (en
Inventor
Andre Schlienger
Markus Buettler
Peter Senn
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
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 CA2571469A1 publication Critical patent/CA2571469A1/en
Application granted granted Critical
Publication of CA2571469C publication Critical patent/CA2571469C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61B17/72—Intramedullary pins, nails or other devices

Abstract

The inventive intramedullary nail (1) which is provided with a distal end (2) and is introducible into a medullary space comprises the medullary nail (1) segment which is oriented towards the distal end (2) and has a diameter D, a proximal end (3), at least two cross holes (5, 6) having a borehole axis (15, 16) and a central line (4) formed by a line connecting centres of gravity of the axially successive transversal surfaces (14) orthogonal with respect to the intramedullary nail (1), without taking into account the cross holes (5, 6). The borehole axis (15) of at least one cross-hole (5) is shifted at a gap d1>0 with respect to the central line (4).

Claims (13)

1. Intramedullary nail (1) with A) a distal end (2) suitable for its introduction into a medullary space, where the segment of the intramedullary nail (1) oriented toward the distal end (2) presents a diameter D;
B) a proximal end (3);
C) at least two cross holes (5; 6) with a borehole axis (15, 16); and D) a central line (4) formed by a line connecting the centres of gravity of the axially successive, orthogonal cross-sectional surfaces (14) of the intramedullary nail (1) without taking into account the cross holes (5; 6);
characterized by the fact that E) the borehole axis (15) of at least one of the cross holes (5) presents a distance d, > 0 from the central line (4).
2. Intramedullary nail (1) according to claim 1, characterized by the fact that the borehole axes (15; 16) of at least two cross holes (5; 6) present distances d1 > 0 and d2 > 0, from the central line (4), respectively.
3. Intramedullary nail (1) according to claim 2, characterized by the fact that the borehole axes (15; 16) of the at least two cross holes (5; 6) pass the central line (4) on opposite sides.
4 Intramedullary nail (1) according to one of the claims from 1 to 3, characterized by the fact that the borehole axis (15) of the at least one cross hole (5) lies in an orthogonal plane at a distance d1 to the central line (4).
5. Intramedullary nail (1) according to one of the claims from 1 to 4, characterized by the fact that the distances d1 and d2 to the diameter D are in a range of 0.0001D <d< 0.6000 D, preferably in a range of 0.2 D < d< 0.5 D, respectively.
6. Intramedullary nail (1) according to one of the claims from 1 to 5, characterized by the fact that it presents a channeling (8) coaxial to the central line (4).
7. Intramedullary nail (1) according to one of the claims from 1 to 6, characterized by the fact that the orthogonal cross sectional surfaces (14) of the intramedullary nail (1) are conformed in a circular or circle-shaped form.
8. Intramedullary nail (1) according to one of the claims from 1 to 7, characterized by the fact that the at least two cross holes (5; 6) are positioned in the distal half of the intramedullary nail.
9. Intramedullary nail (1) according to one of the claims from 1 to 8, characterized by the fact that the distance d1 is larger than 0.5 mm, preferably larger than 1.0 mm.
10. Intramedullary nail (1) according to one of the claims from 1 to 9, characterized by the fact that the distance d1 is smaller than 5.0 mm, preferably smaller than 3.5 mm.
11. Intramedullary nail (1) according to one of the claims from 1 to 10, characterized by the fact that the D/d1 ratio between the diameter D of the intramedullary nail (1) and the distance d1 is larger than 5, preferably larger than 8.
12. Intramedullary nail (1) according to one of the claims from 1 to 11, characterized by the fact that the D/d1 ratio between the diameter D of the intramedullary nail (1) and the distance d1 is smaller than 25, preferably smaller than 21.
13. Intramedullary nail (1) according to one of the claims from 1 to 12, characterized by the fact that the mantle surfaces of the at least two cross holes (5; 6) are wholly positioned in the interior of the intramedullary nail.
CA2571469A 2004-06-22 2004-06-22 Intramedullary nail Expired - Fee Related CA2571469C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2004/000379 WO2005122931A1 (en) 2004-06-22 2004-06-22 Intramedullary nail

Publications (2)

Publication Number Publication Date
CA2571469A1 true CA2571469A1 (en) 2005-12-29
CA2571469C CA2571469C (en) 2012-09-25

Family

ID=34957681

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2571469A Expired - Fee Related CA2571469C (en) 2004-06-22 2004-06-22 Intramedullary nail

Country Status (8)

Country Link
US (2) US7892234B2 (en)
EP (1) EP1758512B1 (en)
AT (1) ATE426366T1 (en)
AU (1) AU2004320725A1 (en)
CA (1) CA2571469C (en)
DE (1) DE502004009250D1 (en)
TW (1) TWI348364B (en)
WO (1) WO2005122931A1 (en)

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US8343199B2 (en) * 2008-06-24 2013-01-01 Extremity Medical, Llc Intramedullary fixation screw, a fixation system, and method of fixation of the subtalar joint
US9044282B2 (en) * 2008-06-24 2015-06-02 Extremity Medical Llc Intraosseous intramedullary fixation assembly and method of use
US20110230884A1 (en) * 2008-06-24 2011-09-22 Adam Mantzaris Hybrid intramedullary fixation assembly and method of use
US9017329B2 (en) * 2008-06-24 2015-04-28 Extremity Medical, Llc Intramedullary fixation assembly and method of use
US9289220B2 (en) 2008-06-24 2016-03-22 Extremity Medical Llc Intramedullary fixation assembly and method of use
US8313487B2 (en) 2008-06-24 2012-11-20 Extremity Medical Llc Fixation system, an intramedullary fixation assembly and method of use
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US11083503B2 (en) 2016-09-22 2021-08-10 Globus Medical, Inc. Systems and methods for intramedullary nail implantation
US10492803B2 (en) 2016-09-22 2019-12-03 Globus Medical, Inc. Systems and methods for intramedullary nail implantation
US10751096B2 (en) 2016-09-22 2020-08-25 Bala Sundararajan Systems and methods for intramedullary nail implantation
US10299847B2 (en) 2016-09-22 2019-05-28 Globus Medical, Inc. Systems and methods for intramedullary nail implantation
US11045242B2 (en) 2016-09-22 2021-06-29 Globus Medical, Inc. Systems and methods for intramedullary nail implantation
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US11633219B2 (en) 2019-06-26 2023-04-25 Globus Medical, Inc. Fenestrated pedicle nail

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Also Published As

Publication number Publication date
DE502004009250D1 (en) 2009-05-07
US20070288019A1 (en) 2007-12-13
EP1758512B1 (en) 2009-03-25
TW200600054A (en) 2006-01-01
ATE426366T1 (en) 2009-04-15
TWI348364B (en) 2011-09-11
EP1758512A1 (en) 2007-03-07
US8518040B2 (en) 2013-08-27
US20110106080A1 (en) 2011-05-05
WO2005122931A1 (en) 2005-12-29
CA2571469C (en) 2012-09-25
AU2004320725A1 (en) 2005-12-29
US7892234B2 (en) 2011-02-22

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