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FR2606270A1 - Pin for bone surgery - Google Patents

Pin for bone surgery Download PDF

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Publication number
FR2606270A1
FR2606270A1 FR8616029A FR8616029A FR2606270A1 FR 2606270 A1 FR2606270 A1 FR 2606270A1 FR 8616029 A FR8616029 A FR 8616029A FR 8616029 A FR8616029 A FR 8616029A FR 2606270 A1 FR2606270 A1 FR 2606270A1
Authority
FR
France
Prior art keywords
bone
pin
bulge
spindle
tapered end
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.)
Pending
Application number
FR8616029A
Other languages
French (fr)
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
Priority to FR8616029A priority Critical patent/FR2606270A1/en
Publication of FR2606270A1 publication Critical patent/FR2606270A1/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Pins or screws or threaded wires; nuts therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Pins or screws or threaded wires; nuts therefor
    • A61B17/8605Heads, i.e. proximal ends projecting from bone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/842Flexible wires, bands or straps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/846Nails or pins, i.e. anchors without movable parts, holding by friction only, with or without structured surface
    • A61B17/848Kirschner wires, i.e. thin, long nails

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)
  • Surgical Instruments (AREA)

Abstract

Pin for bone surgery, of the "Krischner" pin type, which can be used in orthopaedics and traumatology. It is fitted with a widened part 6, of frustoconical appearance, whose face 9 facing the tip of the pin 4 has a concave shape, which leads to this pin being anchored in the bone.

Description

BROCHE POUR CHIRURGIE OSSEUSE
La présente invention se rapporte à une broche pour chirurgie osseuse, utilisable par exemple en orthopédie et traumatologie.
BONE SURGERY BROOCH
The present invention relates to a spindle for bone surgery, usable for example in orthopedics and traumatology.

Pour rapprocher un fragment osseux, partiellement ou totalement séparé, de son os d'origine, il est courant d'utiliser au moins une "broche de KRISCHNER" munie d'un renflement en forme d'olive situé à distance de son extrémité effilée. La figure 1 annexée représente une telle broche 1 avec son olive rapportée 2. To bring a bone fragment, partially or totally separated, closer to its original bone, it is common to use at least one "KRISCHNER brooch" provided with an olive-shaped bulge located at a distance from its tapered end. Figure 1 attached shows such a pin 1 with its attached olive 2.

S'il s'agit par exemple de rapprocher un fragment osseux de son os d'origine, on transperce le fragment et l'os en y introduisant la broche 1 par son extrémité effilée 3 puis, lorsque l'olive 2 est parvenue en butée sur le fragment, on tire lentement sur l'extrémité 3 de façon à rapprocher le fragment de l'os. Pour effectuer cette traction, et maintenir le fragment en appui contre l'os, on utilise une tige filetée à gorge, qui est elle-même associée à un fixateur externe de type courant, comportant des anneaux extérieurs au membre malade et réunis entre eux par des tiges filetées. If, for example, a bone fragment is brought closer to its original bone, the fragment and the bone are pierced by introducing the pin 1 through its tapered end 3 then, when the olive 2 has come to a stop on the fragment, pull slowly on the end 3 so as to bring the fragment closer to the bone. To carry out this traction, and maintain the fragment in abutment against the bone, a threaded throat rod is used, which is itself associated with an external fixator of the common type, comprising rings external to the diseased member and joined together by threaded rods.

Ces broches à olive, qui conviennent généralement pour un os cortical, ne conviennent pas pour un os spongieux, et de toute façon ont quelquefois tendance à traverser l'os à la traction, même s'il s'agit d'un os cortical. These olive pins, which are generally suitable for a cortical bone, are not suitable for a cancellous bone, and in any case sometimes tend to cross the bone with traction, even if it is a cortical bone.

L'invention vise à pallier cet inconvénient. Elle se rapporte donc à une broche pour chirurgie osseuse comportant un renflement situé à distance de son extrémité effilée par laquelle cette broche pénètre dans l'os. Ce renflement est réalisé de façon que sa face transversale, qui regarde vers cette extrémité effilée, soit plane ou concave, au lieu d'être convexe comme c'est le cas avec les broches à olive connues. The invention aims to overcome this drawback. It therefore relates to a pin for bone surgery comprising a bulge located at a distance from its tapered end through which this pin enters the bone. This bulge is made so that its transverse face, which looks towards this tapered end, is flat or concave, instead of being convex as is the case with known olive pins.

De préférence, cette face est concave et son bord est acéré, ce qui entraîne un ancrage de la broche dans l'os. Preferably, this face is concave and its edge is sharp, which causes the pin to anchor in the bone.

L'invention sera bien comprise, et ses avantages et autres caractéristiques ressortiront, au cours de la description suivante d'un exemple non limitatif de réalisation, en référence aux dessins schématiques annexés dans lesquels
Figure 2 est une vue en perspective de cette broche
Figure 3 est une vue agrandie de son renflement
Figure 4 est une coupe longitudinale de ce renflement
Figure 5 montre un exemple d'utilisation de cette broche.
The invention will be clearly understood, and its advantages and other characteristics will emerge during the following description of a nonlimiting exemplary embodiment, with reference to the appended schematic drawings in which
Figure 2 is a perspective view of this pin
Figure 3 is an enlarged view of its bulge
Figure 4 is a longitudinal section of this bulge
Figure 5 shows an example of the use of this pin.

En se reportant à l'ensemble des figures 2 à 4, cette broche 4 a une extrémité effilée 5 par laquelle on la fait pénétrer dans l'os à traverser. Elle est munie, à distance de cette extrémité 5, d'un renflement 6 qui est brasé sur le corps de la broche. Referring to all of FIGS. 2 to 4, this pin 4 has a tapered end 5 by which it is made to penetrate into the bone to be crossed. It is provided, at a distance from this end 5, with a bulge 6 which is brazed to the body of the spindle.

Ce renflement 6 a une surface extérieure 7 tronconique, la pointe du cône étant dirigée vers l'extrémité 8 de la broche qui est opposée à son extrémité effilée 5. Du côté regardant vers cette extrémité effilée 5, le renflement 6 présente une face transversale 9 qui est concave, et forme donc un creux. Le bord extérieur 10 de cette face concave 9 est acéré. This bulge 6 has a frustoconical outer surface 7, the tip of the cone being directed towards the end 8 of the spindle which is opposite its tapered end 5. On the side looking towards this tapered end 5, the bulge 6 has a transverse face 9 which is concave, and therefore forms a hollow. The outer edge 10 of this concave face 9 is sharp.

La figure 5 montre un exemple d'utilisation de cette broche 4. Il s'agit là de rapprocher d'un os principal 11 un fragment 12 qui s'en est partiellement détaché au cours d'un accident. FIG. 5 shows an example of use of this pin 4. It is a question here of bringing a fragment 12 which is partially detached from it during an accident to a main bone 11.

De manière classique, on enfonce, sa pointe effilée en avant, la broche 4 tout d'abord dans la chair, de préférence sans tourner la broche avant d'avoir atteint l'os. En raison de la surface 9 du renflement 6, il est nécessaire de pratiquer une petite incision de la peau pour faire passer ce renflement 6, ce dernier traversant ensuite la chair sans problèmes. Conventionally, one presses, its tapered point forward, the pin 4 first into the flesh, preferably without turning the pin before reaching the bone. Due to the surface 9 of the bulge 6, it is necessary to make a small incision in the skin to pass this bulge 6, the latter then passing through the flesh without problems.

L'extrémité 8 est montée sur une petite perceuse rotative, dont on fait tourner le mandrin lorsque la broche 4 a atteint le fragment osseux 12. Cette rotation du mandrin, et donc de la broche 4, se poursuit pendant que la perceuse avance pour faire traverser à la broche 4 le fragment 12 et l'os principal 11. La rotation s'arrête lorsque l'os 11 est traversé, mais la perceuse continue son avance. The end 8 is mounted on a small rotary drill, the mandrel of which is rotated when the spindle 4 has reached the bone fragment 12. This rotation of the mandrel, and therefore of the spindle 4, continues while the drill advances to make cross the spindle 12 and the main bone at pin 4. The rotation stops when the bone 11 is crossed, but the drill continues its advance.

Lorsque la pointe de la broche apparaît de l'autre côté du membre, on l'enfile sur une tige filetée 13 à rainure longitudinale, bien connue dans cette technique. La broche est maintenue dans cette rainure par deux écrous 14,15, et sa pointe effilée est recourbée derrière l'écrou arrière 15, toujours de manière très classique. En tournant alors cet écrou 15 dans le sens anti-horaire, on tire lentement et fortement sur la broche 4. Le renflement 6 vient alors s'ancrer, par sa face concave 9 et son arête circulaire 10, dans le fragment osseux 12, et celui-ci est tiré lentement vers l'os principal 11. Bien entendu, la tige filetée 13 est fixée sur un support non représenté, tel qu'un fixateur externe de type connu. When the tip of the pin appears on the other side of the member, it is threaded onto a threaded rod 13 with a longitudinal groove, well known in this technique. The spindle is held in this groove by two nuts 14,15, and its tapered tip is bent behind the rear nut 15, still in a very conventional manner. By then turning this nut 15 anticlockwise, we slowly and strongly pull on the spindle 4. The bulge 6 is then anchored, by its concave face 9 and its circular edge 10, in the bone fragment 12, and the latter is slowly pulled towards the main bone 11. Of course, the threaded rod 13 is fixed on a support, not shown, such as an external fixator of known type.

L'invention n'est évidemment pas limitée à l'exemple de réalisation qui vient d'être décrit. La surface 9 peut aussi être tronconique ou même plane. Le renflement 6 peut être rapporté sur la tige 4 par un autre procédé que la brasure. La surface extérieure 7 du renflement 6 peut être autre que tronconique, par exemple hémisphérique, la forme tronconique n'étant préférentielle que pour des raisons de facilité de réalisation.  The invention is obviously not limited to the embodiment which has just been described. The surface 9 can also be frustoconical or even flat. The bulge 6 can be attached to the rod 4 by another method than soldering. The outer surface 7 of the bulge 6 may be other than frustoconical, for example hemispherical, the frustoconical shape being preferred only for reasons of ease of production.

Claims (3)

REVENDICATIONS 1 - Broche pour chirurgie osseuse, comportant un renflement (6) situé à distance de son extrémité effilée (5) par laquelle cette broche pénètre dans l'os (12), caractérisée en ce que ce renflement (6) est réalisé de façon que sa face transversale (9), qui regarde vers cette extrémité effilée (5), soit plane ou concave. 1 - Pin for bone surgery, comprising a bulge (6) located at a distance from its tapered end (5) by which this pin penetrates into the bone (12), characterized in that this bulge (6) is produced so that its transverse face (9), which looks towards this tapered end (5), either flat or concave. 2 - Broche selon la revendication 1, caractérisée en ce que cette face (9) est concave et en ce que son bord extérieur (10) est acéré de façon à entraîner un ancrage de la broche (4) dans l'os (12). 2 - Spindle according to claim 1, characterized in that this face (9) is concave and in that its outer edge (10) is sharp so as to cause the spindle (4) to be anchored in the bone (12) . 3 - Broche selon la revendication 1 ou la revendication 2, caractérisée en ce que ce renflement (6) a une surface extérieure (7) de forme tronconique, avec sa pointe dirigée vers l'extrémité (8) de la broche qui est opposée à son extrémité effilée (5).  3 - Spindle according to claim 1 or claim 2, characterized in that this bulge (6) has an outer surface (7) of frustoconical shape, with its tip directed towards the end (8) of the spindle which is opposite to its tapered end (5).
FR8616029A 1986-11-07 1986-11-07 Pin for bone surgery Pending FR2606270A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8616029A FR2606270A1 (en) 1986-11-07 1986-11-07 Pin for bone surgery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8616029A FR2606270A1 (en) 1986-11-07 1986-11-07 Pin for bone surgery

Publications (1)

Publication Number Publication Date
FR2606270A1 true FR2606270A1 (en) 1988-05-13

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ID=9340925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8616029A Pending FR2606270A1 (en) 1986-11-07 1986-11-07 Pin for bone surgery

Country Status (1)

Country Link
FR (1) FR2606270A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649310A1 (en) * 1989-07-04 1991-01-11 Kapandji Adalbert Intrafocal pin with reducing effect for osteosynthesis of fractures
US5224946A (en) * 1990-07-02 1993-07-06 American Cyanamid Company Bone anchor and method of anchoring a suture to a bone
US5236445A (en) * 1990-07-02 1993-08-17 American Cyanamid Company Expandable bone anchor and method of anchoring a suture to a bone
US5258016A (en) * 1990-07-13 1993-11-02 American Cyanamid Company Suture anchor and driver assembly
US5423856A (en) * 1990-09-13 1995-06-13 United States Surgical Corporation Apparatus and method for subcuticular stapling of body tissue
EP1562466A2 (en) * 2002-11-20 2005-08-17 Millennium Medical Technologies, Inc. Compression bone fragment wire
US7713285B1 (en) 2003-07-02 2010-05-11 Biomet Sports Medicine, Llc Method and apparatus for suture anchors with a vertical eyelet
US7780701B1 (en) 2003-08-13 2010-08-24 Biomet Sports Medicine, Llc Suture anchor
USRE43143E1 (en) 1982-05-20 2012-01-24 Hayhurst John O Tissue manipulation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2024325A (en) * 1932-02-24 1935-12-17 Charles I Allen Leg splint
DE1916924A1 (en) * 1969-04-02 1970-10-15 Georg Wagner Forwarding and kneading plastic food masses - and mayonnaise
US4409974A (en) * 1981-06-29 1983-10-18 Freedland Jeffrey A Bone-fixating surgical implant device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2024325A (en) * 1932-02-24 1935-12-17 Charles I Allen Leg splint
DE1916924A1 (en) * 1969-04-02 1970-10-15 Georg Wagner Forwarding and kneading plastic food masses - and mayonnaise
US4409974A (en) * 1981-06-29 1983-10-18 Freedland Jeffrey A Bone-fixating surgical implant device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE43143E1 (en) 1982-05-20 2012-01-24 Hayhurst John O Tissue manipulation
FR2649310A1 (en) * 1989-07-04 1991-01-11 Kapandji Adalbert Intrafocal pin with reducing effect for osteosynthesis of fractures
US5224946A (en) * 1990-07-02 1993-07-06 American Cyanamid Company Bone anchor and method of anchoring a suture to a bone
US5236445A (en) * 1990-07-02 1993-08-17 American Cyanamid Company Expandable bone anchor and method of anchoring a suture to a bone
US5258016A (en) * 1990-07-13 1993-11-02 American Cyanamid Company Suture anchor and driver assembly
US5690676A (en) * 1990-07-13 1997-11-25 Smith & Nephew, Inc. Suture anchor and drive assembly
US5423856A (en) * 1990-09-13 1995-06-13 United States Surgical Corporation Apparatus and method for subcuticular stapling of body tissue
EP1562466A2 (en) * 2002-11-20 2005-08-17 Millennium Medical Technologies, Inc. Compression bone fragment wire
EP1562466A4 (en) * 2002-11-20 2009-11-11 Millennium Medical Technologie Compression bone fragment wire
US7713285B1 (en) 2003-07-02 2010-05-11 Biomet Sports Medicine, Llc Method and apparatus for suture anchors with a vertical eyelet
US8361114B2 (en) 2003-07-02 2013-01-29 Biomet Sports Medicine, Llc Method and apparatus for suture anchors with a vertical eyelet
US9532775B2 (en) 2003-07-02 2017-01-03 Biomet Sports Medicine, Llc Method and apparatus for suture anchors with a vertical eyelet
US7780701B1 (en) 2003-08-13 2010-08-24 Biomet Sports Medicine, Llc Suture anchor

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