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WO2018141374A1 - Dispositif de support lors du forage de trous dans des os - Google Patents

Dispositif de support lors du forage de trous dans des os Download PDF

Info

Publication number
WO2018141374A1
WO2018141374A1 PCT/EP2017/052087 EP2017052087W WO2018141374A1 WO 2018141374 A1 WO2018141374 A1 WO 2018141374A1 EP 2017052087 W EP2017052087 W EP 2017052087W WO 2018141374 A1 WO2018141374 A1 WO 2018141374A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
holes
elements
pattern
hole pattern
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.)
Ceased
Application number
PCT/EP2017/052087
Other languages
German (de)
English (en)
Inventor
Rolf SCHWAB
Benedikt WACHNO
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.)
EICKEMEYER MEDIZINTECHNIK fur TIERARZTE KG
Original Assignee
EICKEMEYER MEDIZINTECHNIK fur TIERARZTE KG
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 EICKEMEYER MEDIZINTECHNIK fur TIERARZTE KG filed Critical EICKEMEYER MEDIZINTECHNIK fur TIERARZTE KG
Priority to PCT/EP2017/052087 priority Critical patent/WO2018141374A1/fr
Publication of WO2018141374A1 publication Critical patent/WO2018141374A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A61B17/1728—Guides or aligning means for drills, mills, pins or wires for holes for bone plates or plate screws

Definitions

  • the invention relates to a device for assisting the drilling of holes in bones.
  • the object of the invention is to provide a Vorrich ⁇ tung to assist in drilling holes in bone ⁇ be riding determine with which the drilling parallel holes is simplified.
  • the device is preferably a ⁇ times to clean and easy to handle.
  • the object is achieved by a device for assistance in drilling holes in bone with the features of claim 1.
  • the inventive device for assisting in drilling holes in bone comprises at least a pair of associated elements comprising a first member and a second member spaced apart from one another, the first member having a first hole pattern with at least three holes and the second Element having a second hole pattern with at least three holes, wherein each one hole of the first hole pattern and a hole of the second Loch ⁇ pattern are associated with each other, wherein the first hole pattern and the second hole pattern are aligned with each other such that a first rod-shaped element which by two egg ⁇ nander assigned holes is guided, to a second rod-shaped element, which is guided by two other holes zugeord ⁇ ned, parallel aligned.
  • Such a device makes it possible to drill a first hole and arranged in this a first rod-shaped element as a reference, delay the Invention ⁇ device according to the first rod-shaped element by means of two mutually associated holes and a second rod-shaped element by two in the operation to ⁇ next to guide other holes associated with each other and to introduce them into the bone to thereby create a second hole in the bone, the holes and the rod-shaped elements disposed therein being aligned in parallel.
  • the distance between the two holes to be created can be optimally adapted to the anatomical conditions, in particular by twisting the device around the first rod-shaped element until one of the holes Holes of the Loch ⁇ pattern in the desired distance to the first hole to lie ⁇ conditions comes.
  • the fact that two elements, each with a hole ⁇ pattern spaced from each other, it is made possible light, a comparatively small thickness of the elements to select ⁇ len, which allows a good cleaning of the holes of the hole pattern ⁇ allows.
  • the parallel alignment of the rod-shaped elements in the mutually associated holes of Lochter- ter is ensured by the two spaced-apart elements.
  • the first hole pattern and the second Lochmus ⁇ ter are formed identically, which in particular simplifies the recognition of the associated holes.
  • the device comprises two, three or four pairs of mutually ⁇ arranged elements each having a first element and a second element, which are arranged spaced apart on, the elements, in particular the side surfaces of a sleeve having a rectangular, square, hexagonal or octagonal cross section. If two or more pairs of mutually associated elements used, a GroE ßere number of holes may be provided in the hole patterns ⁇ the to increase the variability of the device further. Form the elements in particular the side surfaces of a sleeve, a particularly stable device is provided, which is also structurally simple.
  • the elements to a thickness which lies in the sizes ⁇ order of the diameter of the holes of the elements, whereby it may be possible to clean the holes easier.
  • the distance between the elements ei ⁇ nes pair is at least seven times as large as the diameter the smallest hole of the hole pattern of this pair, preferably at least seven times as large as the diameter of the largest hole of the hole pattern of this pair, whereby the reliability ⁇ speed of the parallel alignment of two rod-shaped Elemen- th, by mutually associated holes of the two ele ⁇ ments of Couple is improved.
  • the hole patterns advantageously have holes with at least two, preferably at least three or four, different diameters. This makes it different in under ⁇ retired intelligence operations, but also partly in one and the same ⁇ operation, rod-shaped elements
  • an advantageous embodiment of the invention provides that the hole pattern have a plurality, for example 4 to 25, holes with the same diameter, whereby a plurality of different distances between the holes of the same diameter is provided and thus with the help of one and the same front ⁇ direction, the distance of two holes to be drilled during the surgery can be optimally adapted to the anatomical conditions.
  • the hole pattern on a central hole which has a diameter which is smaller, equal to or larger than the smallest or largest diameter of wei ⁇ nic existing in the hole pattern holes, preferably the central hole is part of all lines.
  • the device is advantageously made of metal, plastic, carbon or PEEK and in particular made of a sterili ⁇ sable material to meet in particular the requirements of the application in human and veterinary medicine technology.
  • Fig. 1 is a perspective view of a first Ausch
  • FIG. 2 shows a further perspective view of the device according to FIG. 1
  • FIG. 3 shows a further perspective view of the device according to FIG. 1 with a first and a second rod-shaped element
  • Fig. 4 is an illustration of the hole pattern of the device
  • Fig. 5 is an illustration of an alternative hole pattern
  • Figures 1 to 4 show various views of a first embodiment of a device 10 for assisting in drilling holes in bone.
  • the device 10 has a first pair 21 of mutually associated elements aufwei ⁇ send a first element 30 and a second element 40.
  • the two elements 30, 40 are arranged at a distance from each other, in particular at a distance a.
  • the two elements 30, 40 are in particular planar and advantageously arranged pa rallel ⁇ each other.
  • the first element 30 has a first hole pattern 31, currency ⁇ rend 40 has the second element has a second hole pattern 41st
  • Each of the hole patterns 31, 41 has at least three, vorzugswei ⁇ se plurality of holes 33, 43.
  • the holes 33, 43 have front ⁇ some manner to a round cross section.
  • a hole 33 of the first hole pattern 31 and a hole 43 of the second hole pattern 41 are associated with each other.
  • a hole 33a is associated with a hole 43a, a hole 33b with a hole 43b, a hole 33c with a hole 43c (see Fig. 3), or a hole 33d with a hole 43d (see Fig. 2).
  • a first rod-shaped element 51 can be formed by two associated holes 33a, 43a, a second rod-shaped element 52, by two walls ⁇ re mutually associated holes 33b, 43b (see FIG. 3) are maro ⁇ ben.
  • the axes of the associated holes 33, 43 of the hole pattern 31, 41 If the cross-section of the rod-shaped elements 51, 52 with the cross ⁇ section of the corresponding holes 33, 43 substantially over ⁇ matches , is the rod-shaped element 51, 52 thereby fixed in ⁇ ner position relative to the device 10.
  • the hole patterns 31, 41 are aligned with each other such that rod-shaped elements 51, 52, which are guided by respectively associated holes 33, 43, are aligned parallel to each other (see in particular Figure 3).
  • the hole ⁇ pattern 31, 41 are identical.
  • the device 10 is used during an operation as follows. First, into a bone or a bone fragment ⁇ a first hole is drilled, for example, in that a hole is drilled by means of a corresponding drill. Subsequently, a first rod-shaped element 51 is inserted into this hole. Alternatively, cut a thread in the hole with the help of egg ⁇ nes tapper and subsequently ⁇ HYd a screw screwed in the rod-shaped element 51 ⁇ the. It is also possible to introduce a corresponding rod-shaped ele ⁇ ment 51 directly into the bone and to drill the hole.
  • the device 10 is such maro- that the rod-shaped element 51 passes through two holes 33, 43 which are associated with one another, for example the holes 33a, 43a, of the hole patterns 31, 41.
  • the cross-section substantially with the cross section of the first rod-shaped element 51 over ⁇ matches .
  • a second rod-shaped element 52 is guided through the selected pair of holes 33, 43 while being automatically aligned in its direction by the device 10 parallel to the first rod-shaped element 51. If it is further inserted into the bone, in particular drilled in this direction, a hole is formed in the bone which is parallel to the first hole and the rod-shaped element 52 arranged in the second hole is aligned parallel to the first rod-shaped element 51. Subsequently, the device 10 of the two rod-shaped elements 51,
  • the hole patterns 31, 41 preferably a plurality of holes 33, 43.
  • the hole patterns 31, 41 have a plurality of holes of the same diameter.
  • additional holes with at least two, preferably at least three or four different diameters in the patterns of holes 31, 41 EXISTING ⁇ .
  • the holes 33 may Darge ⁇ represents be irregularly arranged in a hole pattern 31, as shown for example in FIG. 6
  • the application for the surgeon is simplified, however, if Holes 33 of the same diameter are arranged grouped, in particular along a line 37, 37 x .
  • the line is 37 x formed as a straight line as in Figure 5, in another al ⁇ ternatives hole pattern 31 x or as a curved line 37 as in the embodiments shown in Figures 1 to 4 embodiments, the hole pattern 31 in which the curved line 37, for example, as a Fibonacci Spiral or as shown in Figures 1 to 4 may be formed as a logarithmic spiral.
  • the arrangement of the holes 33 along a curved line 37 has the consequence that the holes 33 are not arranged equidistant to ⁇ and thus a greater number of under defenceli ⁇ chen distances between two holes 33 of the same diameter is provided, which optimizes the adjustment improved on the anatomical conditions.
  • the first hole pattern 31 shown in FIG. 4 has holes 33 in five different diameters.
  • the holes 33 may have diameters of 0.8 mm, 0.9 mm, 1.0 mm, 1.1 mm and 1.2 mm.
  • the same holes 33 Indianmes- sers are arranged along one of the lines 37, which in particular ⁇ sondere is graphically illustrated on the first element 30, in particular by a color marking and / or engraving.
  • a total of ten curved lines 37 are present, along which holes 33 with the same diameter are arranged.
  • the number of holes 33 moving ⁇ chen diameter can in particular vary in function of the diameter.
  • Twenty-two holes 33 having a diameter of 0.8 mm, twenty-two holes 33 having a diameter of 1.0 mm, twenty-two holes 33 having a diameter of 0.9 mm, twenty-two holes 33 having a diameter of 1.1 are in the present embodiment mm and twenty holes 33 with a diameter of 1.2 mm.
  • another hole, for example a central hole 34 is arranged ⁇ whose diameter is smaller, equal to or larger than the smallest or largest diameter of the other holes 33rd
  • the holes 33 of the hole pattern 31 are in particular arranged so re ⁇ relative to each other that when using two be ⁇ neighboring holes 33 usually the corresponding bone when drilling two holes in such a distance zueinan- should not erupt.
  • the distance a of the elements 30, 40 to each other is Minim ⁇ least seven times the diameter of the smallest hole 33 of the hole pattern 31, preferably about seven times the largest diameter of the holes 33rd
  • the elements 30, 40 can be fixed by Ab ⁇ spacers spaced from each other in one embodiment.
  • the device 10 has at least one further pair 22 comprises a first element 30 x and a second element 40 x to which also a first Lochmus ⁇ ter having 31 x and a second hole pattern 41 x and at a distance a x are arranged spaced from one another and virtually form the spacer for the first pair 21, in which vice versa the elements 30, 40 of the first pair 21 form the Abstandshal ⁇ ter for the elements 30 of the second pair 40 x 22nd
  • the device 10 may be formed as a sleeve, wherein the elements 30, 40, 30 40 x form the side surfaces of the sleeve.
  • the hole patterns 31 41 x of the second pair 22 may have further holes 33, 43, which at least partially ⁇ , in particular larger or smaller diameter than the holes 33, 43 of the hole pattern 31, 41 of the first pair 21 have ⁇ .
  • the embodiment shown in Figures 1 to 4 shows a device 10 with a sleeve 20 having a square cross-section, in particular the corners are rounded and the elements 30, 40, 30 40 x the four side surfaces of the sleeve se 20 form.
  • the sleeve 20 may have a rectangular cross-section on ⁇ if the distances a, a x are of different sizes.
  • the sleeve 20 may also include a third pair of Einan ⁇ the associated elements, the three pairs, the side faces of a sleeve with hexagonal cross section, or a third and a fourth pair of elements, said then a total of eight elements of the eight side surfaces form a sleeve with octagonal cross-section.
  • the elements 30, 40 need not be flat, son ⁇ countries can also be curved. It is also possible insbesonde ⁇ re that the sleeve 20 is formed as a tube with a round or oval cross-section and the mutually ⁇ located elements 30, 40, or 30 x 40 are formed as portions of the convertible extension of the pipe.
  • the thickness d of the elements 30, 40 is in particular in the large ⁇ .
  • the device 10 may be of metal, plastic, carbon or PEEK be made.
  • the device 10 is made in particular from a sterilizable material and have preferably ⁇ as biocompatible properties. LIST OF REFERENCE NUMBERS

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne un dispositif (10) de support lors du forage de trous dans des os, le dispositif (10) présentant au moins une paire (21, 22) d'éléments (30, 40, 30', 40') associés l'un à l'autre, présentant un premier élément (30, 30') et un deuxième élément (40, 40') agencés à distance l'un de l'autre. Le premier élément (30, 30') présente un premier motif de trous (31, 31', 31") pourvu d'au moins trois trous (33) et le deuxième élément (40, 40') présente un deuxième motif de trous (41) présentant au moins trois trous (43), un trou (33) du premier motif de trous (31, 31', 31") et un trou (43) du deuxième motif de trous (41) étant respectivement associés l'un à l'autre. Le premier motif de trous (31, 31', 31") et le deuxième motif de trous (41) sont orientés l'un par rapport à l'autre de manière telle qu'un premier élément en forme de barre (51), qui est guidé à travers deux trous (33) associés l'un à l'autre, est orienté parallèlement à un deuxième élément (52) en forme de barre, qui est guidé à travers deux autres trous (43) associés l'un à l'autre.
PCT/EP2017/052087 2017-02-01 2017-02-01 Dispositif de support lors du forage de trous dans des os Ceased WO2018141374A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/052087 WO2018141374A1 (fr) 2017-02-01 2017-02-01 Dispositif de support lors du forage de trous dans des os

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/052087 WO2018141374A1 (fr) 2017-02-01 2017-02-01 Dispositif de support lors du forage de trous dans des os

Publications (1)

Publication Number Publication Date
WO2018141374A1 true WO2018141374A1 (fr) 2018-08-09

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PCT/EP2017/052087 Ceased WO2018141374A1 (fr) 2017-02-01 2017-02-01 Dispositif de support lors du forage de trous dans des os

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE646558C (de) * 1935-08-25 1937-06-17 Heinrich Krapp Dr Hilfsgeraet zum Einfuehren von Bohrdraehten fuer die Verschraubung von Oberschenkelhalsbruechen
FR1349335A (fr) * 1962-12-03 1964-01-17 Dispositif de repérage pour enclouage d'un col de fémur fracturé
GR1003028B (el) * 1998-02-25 1998-12-10 �. ���/��� Οργανο σκοπευσης και τοποθετησης οδηγων βελονων εις το οστουν
US20050049594A1 (en) * 2001-04-20 2005-03-03 Wack Michael A. Dual locking plate and associated method
WO2006056751A1 (fr) * 2004-11-26 2006-06-01 Depuy International Limited Ensemble de guidage de perçage
US20060173458A1 (en) * 2004-10-07 2006-08-03 Micah Forstein Bone fracture fixation system
US7862596B2 (en) * 2000-06-09 2011-01-04 Synthes Usa, Llc Plastic implant for osteosynthesis

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE646558C (de) * 1935-08-25 1937-06-17 Heinrich Krapp Dr Hilfsgeraet zum Einfuehren von Bohrdraehten fuer die Verschraubung von Oberschenkelhalsbruechen
FR1349335A (fr) * 1962-12-03 1964-01-17 Dispositif de repérage pour enclouage d'un col de fémur fracturé
GR1003028B (el) * 1998-02-25 1998-12-10 �. ���/��� Οργανο σκοπευσης και τοποθετησης οδηγων βελονων εις το οστουν
US7862596B2 (en) * 2000-06-09 2011-01-04 Synthes Usa, Llc Plastic implant for osteosynthesis
US20050049594A1 (en) * 2001-04-20 2005-03-03 Wack Michael A. Dual locking plate and associated method
US20060173458A1 (en) * 2004-10-07 2006-08-03 Micah Forstein Bone fracture fixation system
WO2006056751A1 (fr) * 2004-11-26 2006-06-01 Depuy International Limited Ensemble de guidage de perçage

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