DE8205874U1 - Nail that can be inserted transversely into a bone - Google Patents

Nail that can be inserted transversely into a bone

Info

Publication number
DE8205874U1
DE8205874U1 DE8205874U DE8205874DU DE8205874U1 DE 8205874 U1 DE8205874 U1 DE 8205874U1 DE 8205874 U DE8205874 U DE 8205874U DE 8205874D U DE8205874D U DE 8205874DU DE 8205874 U1 DE8205874 U1 DE 8205874U1
Authority
DE
Germany
Prior art keywords
bone
ribs
nail
longitudinal axis
side surfaces
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
DE8205874U
Other languages
German (de)
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.)
Faensen Michael Drmed 1000 Berlin De
Original Assignee
Faensen Michael Drmed 1000 Berlin De
Publication date
Publication of DE8205874U1 publication Critical patent/DE8205874U1/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
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Surgical Instruments (AREA)

Description

DIPL-INQ. DIETER JANDER DR.-INQ. MANFRED B(ININQDIPL-INQ. DIETER JANDER DR.-INQ. MANFRED B (ININQ

PA Γ E N T AN WAL T EPA Γ E N T AN WAL T E

Dr. Michael Faensen 1321/19.034 DEDr. Michael Faensen 1321 / 19.034 DE

"Quer in einen Knochen einbringbarer Nagel""Nail that can be inserted transversely into a bone"

Die Neuerung bezieht sich auf einen quer in einen Knochen einbringbaren Nagel, dessen Mittelteil vier ringsum abragende Längsrippen aufweist.The innovation relates to a nail that can be inserted transversely into a bone, the middle part of which has four protruding all around Has longitudinal ribs.

Solche Nägel sind Teil eines Rahmens, mit dem K^.ochenbrüche geheilt werden kö'.men (fixateur externe).Such nails are part of a frame with which the bone fractures kö'.men are healed (external fixator).

Bei den bekannten Nägeln diese"1 Art (Unfallheilkunde 1981, 84-t Seiten 382-386) sind die Rippen in Nagellängsrichtung gleich lang.In the known nails of this " 1 type (Unfallheilkunde 1981, 84-t pages 382-386) the ribs are of the same length in the longitudinal direction of the nail.

Der Neuerung liegt die Aufgabe zugrunde, die Länge der Rippen möglichst optimal zu gestalten.The innovation is based on the task of making the length of the ribs as optimal as possible.

Diese Aufgabe wird neuerungsgemäß dadurch gelöst, daß diejenigen Rippen, deren Seitenflächen senkrecht zur Längsachse des Knochens orientiert sind, in Nagellängsrichtung kürzer als die übrigen Rippen sind.This object is achieved according to the invention in that those ribs, the side surfaces of which are perpendicular to the longitudinal axis of the bone are oriented, are shorter in the longitudinal direction of the nail than the remaining ribs.

Dieser Lösung liegt folgende Überlegung zugrunde: Die Rippen, deren Seitenflächen senkrecht zur Längsachse des Knochens orientiert sind, haben die Aufgabe, ein V/andern des Nagels im Knochen zu verhindern. Sie brauchen daher nicht so lang zu sein wie die senkrecht dazu orientierten Rippen, die der Durchbiegung des Nagels entgegenwirken.This solution is based on the following consideration: The ribs, the side surfaces of which are perpendicular to the longitudinal axis of the bone are oriented, have the task of preventing the nail from changing in the bone. So you don't need to take that long be like the vertically oriented ribs that counteract the sagging of the nail.

Eine Weiterentwicklung der Neuerung besteht darin, daß die Rippen, deren Seitenflächen senkrecht zur Längsachse des Knochens orientiert sind, sich nur innerhalb des Knochens befinden.A further development of the innovation is that the ribs, the side surfaces of which are perpendicular to the longitudinal axis of the Oriented to the bone, are only located within the bone.

— "7I — - " 7 I -

PIPL-INl/ DIETtR /ANDtR DR INQ. MANIREO BONINQ PAfFNI ANWAL Tt PIPL-INl / DIETtR / ANDtR DR INQ. MANIREO BONINQ PAfFNI ANWAL Tt

Ferner wird vorgeschlagen, daß die Rippen, deren Seitenflächen parallel zur Längsachse des Knochens orientiert sind, sich bis zu Klemmelementen eines Fixationsrahmens erstrecken, damit die Steifigkeit des Nagels möglichst groß ist.It is also proposed that the ribs, whose side faces are oriented parallel to the longitudinal axis of the bone are, extend up to the clamping elements of a fixation frame, so that the rigidity of the nail as possible is great.

Weitere Einzelheiten der Neuerung ergeben sich aus der Zeichnung. Darin zeigen:Further details of the innovation can be found in the drawing. Show in it:

Fig. 1 eine Seitenansicht eines Nagels gemäß der Neuerung undFig. 1 is a side view of a nail according to the innovation and

Fig. 2 einen Schnitt nach der Linie II-II in Fig. 1.FIG. 2 shows a section along the line II-II in FIG. 1.

Der in den Figuren mit 1 bezeichnete Nagel besitzt Rippen und Rippen 3 - Die Rippen 2 liegen derart im Knoc-hen; daß ihre Seitenflächen senkrecht zur Längsachse des Knochens orientiert sind. Die Rippen 2 sind in Nagellängsrichtung kürzer als die Rippen 3. Erstere haben eine solche Länge, daß sie sich lediglich im Knochen befinden. Die Rippen 3 hingegen sind so lang, daß sie bis zu Klemmelementen eines Fixationsrahmens reichen.The nail denoted by 1 in the figures has ribs and ribs 3 - the ribs 2 are in this way in the bone ; that their side surfaces are oriented perpendicular to the longitudinal axis of the bone. The ribs 2 are shorter in the longitudinal direction of the nail than the ribs 3. The former are so long that they are only located in the bone. The ribs 3, however, are so long that they extend to the clamping elements of a fixation frame.

DJ: BLDJ: BL

Claims (3)

AnsprücheExpectations 1. Quer in einen Knochen einbringbarer Nagel, dessen Mittelteil vier ringsum abragende Längsrippen aufweist, dadurch gekennzeichnet , daß diejenigen Rippen (2), deren Seitenflächen senkrecht zur Längsachse des Knochens orientiert sind, in Nagellängsrichtung kürzer als die übrigen Rippen (3) sind.1. A nail that can be inserted transversely into a bone, the central part of which has four longitudinal ribs protruding all around, thereby characterized in that those ribs (2) whose side surfaces are oriented perpendicular to the longitudinal axis of the bone are shorter than the other ribs (3) in the longitudinal direction of the nail. 2. Nagel nach Anspruch 1, dadurch gekennzeichnet , daß die Rippen (2), deren Seitenflächen senkrecht zur Längsechse des Knochens orientiert sind, sich nur innerhalb des Knochens befinden.2. Nail according to claim 1, characterized in that that the ribs (2), the side surfaces of which are oriented perpendicular to the longitudinal axis of the bone, are only within the The bone. 3. Nagel nach Anspruch 1 oder 2, dadurch gekennzeich net, daß die Rippen (3), deren Seitenflächen parallel zur Längsachse des Knochens orientiert sind, sich bis zu Klemmelementen eines Fixationsrahmens erstrecken.3. Nail according to claim 1 or 2, characterized in that the ribs (3), the side surfaces of which are parallel to Longitudinal axis of the bone are oriented, extend to clamping elements of a fixation frame. PostscheckkontoPostal checking account — 2 —- 2 -
DE8205874U Nail that can be inserted transversely into a bone Expired DE8205874U1 (en)

Publications (1)

Publication Number Publication Date
DE8205874U1 true DE8205874U1 (en) 1982-09-02

Family

ID=1329855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8205874U Expired DE8205874U1 (en) Nail that can be inserted transversely into a bone

Country Status (1)

Country Link
DE (1) DE8205874U1 (en)

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