[go: up one dir, main page]

EP0493570A1 - Clous de verrouillage intramedullaire - Google Patents

Clous de verrouillage intramedullaire

Info

Publication number
EP0493570A1
EP0493570A1 EP19910913369 EP91913369A EP0493570A1 EP 0493570 A1 EP0493570 A1 EP 0493570A1 EP 19910913369 EP19910913369 EP 19910913369 EP 91913369 A EP91913369 A EP 91913369A EP 0493570 A1 EP0493570 A1 EP 0493570A1
Authority
EP
European Patent Office
Prior art keywords
hole
nail
holes
jig
location
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.)
Withdrawn
Application number
EP19910913369
Other languages
German (de)
English (en)
Inventor
Christopher John Chadwick
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.)
BTG International Ltd
Original Assignee
BTG International Ltd
British Technology Group Ltd
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 BTG International Ltd, British Technology Group Ltd filed Critical BTG International Ltd
Publication of EP0493570A1 publication Critical patent/EP0493570A1/fr
Withdrawn legal-status Critical Current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
    • A61B17/1725—Guides or aligning means for drills, mills, pins or wires for applying transverse screws or pins through intramedullary nails or pins

Definitions

  • This invention relates to interlocking intramedullary nails which usually have pairs of transverse holes in both a proximal region and at least one distal region to receive bone screws which effect the interlocking with bone portions, and to procedures for their securement.
  • a jig attached to the proximal end of the nail in "pre-located” fashion is used to locate guide holes for drilling holes in the bone aligned with the proximal screw holes.
  • One model of nail can be used with similar guide holes in a long jig for drilling holes in alignment with the distal screw holes, but this requires both the nail and the jig to be very rigid to ensure exact alignment of the distal guide holes with the distal screw holes.
  • the object of the invention is to provide means for the securement of interlocking intramedullary nails avoiding the aforementioned difficulties and dangers.
  • an intramedullary nail having proximal and distal bone screw holes, characterised in that there is also an additional transverse hole in its distal end region for use in location of a jig for drilling holes in a bone in alignment with the distal bone screw holes.
  • a combination set for the securement of flexible interlocking intramedullary nails consisting of a long jig, a short jig, at least one nail, and bone screws; the nail having in its distal end region an additional transverse hole for use in location of the short jig; the long jig having means for use in attachment to the proximal end of the nail including guide holes for drilling holes in a bone in alignment with the proximal bone screw holes in the nail, and at least one "oversize" guide hole at its distal end for drilling an "oversize” hole in a bone “in register” with the short jig location hole in the nail; and the short jig having guide holes for drilling holes in a bone for the distal bone screws, and also location means for engagement at the location hole in the nail for effecting alignment of the guide holes with the distal screw holes in the nail.
  • an “oversize” hole and “in register” with the short jig location hole is meant that the diameter of the "oversize” hole drilled in the bone is so much greater than the diameter of the location hole as to ensure that, regardless of flexing of the nail to any normal extent, the perimeter of the location hole will lie within the perimeter of the inner end of the "oversize” hole in the bone. It will be appreciated, therefore, that the diameter of a circular location hole is preferably appreciably less than the diameter of the distal bone screw holes, in order that the "oversize” hole in a bone will not be damagingly large.
  • the means for attachment of the long jig to the proximal end of the nail may be a socket on that end of the long jig to fit on to a standard "pre-located" proximal drill hole jig.
  • the location means on the short jig for engagement at the location hole in the nail preferably consists of a tubular stem the bore of which can serve as a guide for a screw (which may be self-tapping) or bolt or other means for securing the short jig to the nail while the distal bone screw holes are being drilled.
  • the location hole preferably has a portion in opposite sides of the tube, at least one hole portion being circular, and possibly screwthreaded, for receiving the screw or bolt of the location means.
  • the actual location of the tubular stem at the location hole may be by means of a "saddle" on the stem mating with the surface of the nail around a circular hole, or the tubular stem could be provided with diametrally opposed lugs for engaging in corresponding notches extending diametrally from the other portion of the location hole (preferably aligned with the longitudinal axis of the nail), or the end of the tubular stem could have a rectangular, square or other polygonal cross-section spigot for engaging a corresponding rectangular slot or a square or other polygonal shape forming that other portion of the location hole. It will be evident that the location hole may be conveniently disposed midway between a pair of distal bone screw holes.
  • the location hole would be located by direct vision through the "oversize” hole drilled in the bone with the aid of the "oversize” guide hole in the distal end of the long jig, and allows of accurate positioning of the short jig for drilling of holes for the distal bone screws without tedious and/or damaging use of radiation.
  • the long jig may be provided with a series of "oversize" guide holes for selectively matching the positions of location holes in a series of nails of different lengths.
  • the long jig and the short jig may be combined by providing a first rigid bar member having at one end a socket to fit a standard "pre-located" proximal drill hole jig and having towards its other end a series of equi- spaced length-adjusting holes, and by providing the "oversize" guide hole and distal guide holes at one end of a second rigid bar member having towards its other end a series of length- adjusting holes with the same spacing as the equi-spaced holes in the first rigid bar member, together with at least two bolting means for engaging any pair of length-adjusting holes in one rigid bar member with any corresponding pair of length- adjusting holes in the other rigid bar member.
  • the length of the long jig i.e. the spacing of the "oversize” guide hole from the proximal guide holes
  • the position of the "oversize" guide in relation to the location hole in in the nail is also set.
  • the bolting means preferably have a locking mode for securing the rigid bar members rigidly together while drilling through the "oversize” guide hole and an articulating mode for allowing slight articulation of the rigid bar members for effecting alignment of the location means through the "oversize” guide hole with the location hole in the nail.
  • These modes may be provided by tightening up the bolting means (for the locking mode) or slackening them off (for the articulating mode).
  • the locking mode is preferably adopted again when the location means has been engaged with the location hole in the nail.
  • Each bolting means conveniently consists of a setscrew passing through one of a series of plain holes in one of the rigid bar members (preferably the second) and screwing into one of a series of screwthr-eaded holes in the other (e.g. first) rigid bar member.
  • the socket on the long jig or on the first rigid bar member is preferably provided with holes to register with the guide holes in a "pre-located" proximal drill hole jig, and pins are provided for locking the socket to the proximal drill hole jig by fitting closely in the pairs of registering holes.
  • each "oversize" guide hole may have a length equal to the thickness of the long jig or the second rigid bar member.
  • each distal guide hole may have a length equal to the thickness of the short jig or the second rigid bar member.
  • the or each "oversize” guide hole may comprise a length of tube welded in a hole through the long jig or the second rigid bar member; and likewise, each distal guide hole may comprise a length of tube welded in a hole through the short jig or the second rigid bar member.
  • Figure 1 is a small scale side elevation of an interlocking intramedullary nail in accordance with the first aspect of the invention
  • Figure 2 is an enlargement of the right-hand end or distal end of the nail of Figure 1;
  • Figure 3 is an even larger section on the line III-III of Figure 2;
  • Figure 4 corresponds to Figure 3 but shows a minor modification
  • Figure 5 corresponds to Figure 2, but illustrates another embodiment of nail in accordance with the invention
  • Figure 6 is an enlarged section on the line VI-VI of Figure 5;
  • Figure 7 corresponds to part of Figure 2 or Figure 5, but illustrates a further embodiment of nail in accordance with the invention
  • Figure 8 is a longitudinal section of a fractured bone with a nail in accordance with the invention shown interlocked with the bone by bone screws and viewed as from above in Figure 1;
  • Figure 9 is a similar view of the nail of Figure 8, with a standard "pre-located" proximal drill hole jig;
  • Figure 10 is a side elevation of a long jig forming part of a first combination set in accordance with the invention.
  • Figure 11 corresponds to Figure 9 but shows the long jig of Figure 10 fitted on the proximal drill hole jig of Figure 9 for use in drilling an "oversize" hole in a bone (See Figure 8) "in register” with a location hole in the nail;
  • Figure 12 is an enlarged fragmentary elevation of a bone around the distal region of a nail inserted therein and illustrating the "oversize' ole "in register" with the location hole;
  • Figure 13 is an elevation of a short jig forming another part of the first combination set, complete with location means;
  • Figure 14 is an elevation of the short jig from above in Figure 13 ;
  • Figure 15 is an elevation of the short jig from the left-hand end of Figure 14;
  • Figure 16 corresponds to Figure 14, but shows the short jig secured by its location means to a nail in accordance with the invention, together with a bone drill shown in position for drilling a bone (not shown) in line with one of two distal bone screw holes in the nail;
  • Figure 17 corresponds to part of Figure 14 but shows a modification of the location means for use with the nail of Figures 5 and 6;
  • Figure 18 also corresponds to part of Figure 14 but shows a modification of the location means for use with the nail of Figure 7;
  • Figure 19 is a side elevation of a first rigid bar member forming part of a second combination set in accordance with the invention.
  • Figure 20 is a side elevation of a second rigid bar member forming another part of the second combination set
  • Figure 21 corresponds to Figure 9 but shows the rigid bar members of Figures 19 and 20 locked together and fitted to the proximal drill hole jig of Figure 9 for use in drilling an "oversize" hole in a bone (see Figure 8) "in register” with a location hole in a nail (see Figure 12).
  • Figure 22 corresponds to Figure 21 but shows the bolting means between the bar members slackened off to allow slight articulation of the bar members for effecting alignment of location means with the location hole in the nail; and
  • Figure 23 corresponds to Figure 22 but shows the second rigid bar member secured by its location means to the nail, and the bolting means between the bar members tightened again while a bone drill is used for drilling a bone (not shown) in line with first one distal bone screw hole and then the other.
  • the interlocking intramedullary nails 30 shown in the drawings are of the flexible type formed by transverse rolling of a strip of stainless steel or other biocompatible metal, into a tube, with a pair of proximal transverse bone screw holes 31A, 31B having a portion in opposite sides of the tube and one (31A) being elongated, and with a pair of distal transverse bone screw holes 32A, 32B likewise having a portion in opposite sides of the tube.
  • the proximal end 33 of the tubular nail is flared and is internally screwthreaded for securing to a proximal drill hole jig (see Figure 9).
  • an additional transverse hole 34 in the distal end region for use in location of a jig (as will be described presently) for drilling holes in a bone in alignment with the distal bone screw holes 32A, 32B.
  • the location hole 34 has a portion in opposite sides of the tube (see . articularly Figures 3, 4 and 6), at least one hole portion being circular for receiving a screw or bolt of location means (also to be described presently) for the jig.
  • both hole portions are circular and plane for use with a self- tapping screw of the location means, while in Figure 4 one whole portion 34X is screwthreaded for use with a bolt of the location means.
  • the other hole portion 34Y is basically circular but has diametrally opposed notches 35, aligned with the longitudinal axis of the nail, for engagement by corresponding lugs on the location means, while in Figure 7 the other hole portion 34Z has a hexagonal shape for engagement by a hexagonal spigot on the location means.
  • the location hole 34 is conveniently disposed midway between the pair of distal bone screw holes 32A, 32B.
  • FIG 8 a nail 30 is shown in place in a fractured bone 36 and interlocked therewith by bone screws 37 through the holes 31A, 31B, 32A, 32B.
  • the surgical procedure involved will now be described, firstly with reference to Figures 9 to 16, and then with reference to Figures 19 to 23.
  • the proximal end 33 of the nail is flared and internally screwthreaded for securing to a proximal drill hole jig 38 of standard form and which is "pre- located” by means of a stem 39 having a tapering screwthread 40 at one end to match the screwthread in the flared end 33 of the nail, the stem also having a screwthread 41 carrying a nut 42 for locking against the flared end of the nail a tubular portion 43 of the jig 38, and from which tubular portion extends a rigid curved arm 44 to a head 45 having a pair of guide holes 46A, 46B aligned (by virtue of the "pre- location" of the jig) with the proximal bone screw holes 31A, 31B, respectively, in the nail 30.
  • a drill guide 47 is shown in the guide hole 46B, with a drill 48 passing through the drill guide and the hole 31B in the nail 30.
  • the head 45 of the jig 38 is used to mount another jig forming part of a combination set in accordance with the invention which includes a nail 30 with a location hole 34 (as previously described with reference to Figures 1 to 3, 4, 5 and 6 or 7), and bone screws 37.
  • a first combination set in accordance with the invention includes a long jig 49 ( Figures 10 and 11) and a short jig 50 ( Figures 13 to 16).
  • the long jig 49 has a socket 51 to fit on the head 45 of the standard "pre-located" proximal drill hole jig 38 and is secured thereon by a pair of pins 52 through holes 53 in the socket and the holes 46A, 46B in the head 45 (see Figure 11).
  • a rigid bar 54 having a curvature matching the curvature of the nail 30 (c.f. Figures 1 and 10) and provided with a series of "oversize" guide holes 55 for selectively matching the positions of location holes 34 in a series of nails of different lengths, not shown but similar in all other respects to the nail 30 already described.
  • a drill 56 is shown fitted in the guide hole 55 in the long jig 49 matching the position of the location hole 34 in the nail 30 and is used to drill in the bone 36 an "oversize” hole 57 (see Figures 8 and 12) "in register” with the location hole 34 in the nail; that is, the diameter of the "oversize” hole 57 is so much greater than the diameter of the location hole 34 as to ensure that, regardless of flexing of the nail to any normal exten , the perimeter of the location hole will lie within the perimeter of the inner end of the "oversize” hole in the bone, as is illustrated by Figure 12.
  • the short jig 50 which forms another part of the first combination set in accordance with the invention, is seen as having guide holes 58A, 58B for use in drilling holes in the bone in alignment with the holes 32A, 32B in the nail 30 for the distal bone screws, and also location means 59 for engagement at the location hole 34 in the nail 30 through the "oversize" hole 57 in the bone.
  • the location means 59 consists of a tubular stem 60, the bore of which serves as a guide for a self-tapping screw 61 for engaging the hole 34, the actual location of the tubular stem at the location hole being by means of a "saddle" 62 on the stem (see particularly Figure 15) mating with the surface of the nail around the hole 34, as can be seen in Figure 16, in which a drill guide 63 and drill 64 are shown fitted in the guide hole 58B.
  • the short jig 50 is also provided with a handle 65 to facilitate holding it in place while the screw 61 is being screwed into the location hole 34 in the nail.
  • the modified short jigs shown in Figures 17 and 18 are generally similar to that of Figures 13 to 16 except that in Figure 17 the actual location of the tubular stem 60X at the location hole is by means of a pair of diametrally opposed lugs 66 for engaging in the corresponding notches 35 extending diametrally from the hole portion 34 in Figures 5 and 6, while in Figure 18 the actual location is by means of a hexagonal spigot 67 on the tubular stem 60Y for engaging in the hexagonal hole portion 34Z in Figure 7.
  • a second combination set in accordance with the invention has the long jig and the short jig combined by providing a first rigid bar member 68 (Figure 19) having at one end a socket 51 with holes 53 to fit a standard "pre- located" proximal drill hole jig 38 (in the same manner as the long jig 49 in Figure 11), and having towards its other end a series of equi-spaced length-adjusting holes 69, and by providing the "oversize" guide hole 55 and distal guide holes 58A, 58B at one end of a second rigid bar member 70 ( Figure 20), having towards its other end a series of length-adjusting holes 71 with the same spacing as the equi-spaced holes 69 in the first rigid bar member 68, together with two bolting means 72 for engaging any pair of length-adjusting holes in one rigid bar member with any corresponding pair of length- adjusting holes in the other rigid bar member, as shown by Figure 21, in which a drill 56 is shown fitted in the guide hole 55 brought into general alignment with the location hole
  • the drill 56 is removed from the hole 55 and replaced by location means 59 (see Figure 22), consisting of a tubular stem 60 (having an integral stop collar 75), the bore of which serves as a guide for a screw 61 for engaging the location hole 34 in the nail 30 when the bolting means 72 have been slackened off (to assume an articulating mode) for allowing slight articulation of the rigid bar members 68, 70 for effecting alignment of the location means 59 with the location hole 34, the locking mode being adopted again (by tightening the bolting means 72 again) when the screw 61 has been engaged with the hole 34, see Figure 23, which drawing also shows a drill guide 63 and drill 64 in the guide hole 58A.
  • the "oversize" guide hole 55 and the distal guide holes 58A, 58B each comprise a length of tube 76 welded in a hole through the second rigid bar member 70, and each bolting means consists of a setscrew passing through one of the series of holes 71 (which are plain holes) in the second rigid bar member 70 and screwing into one of the series of holes 69 (which are screwthreaded) in the first rigid bar member 68.

Landscapes

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

Abstract

Pour éviter d'utiliser les rayons X pour cibler les perçages distaux des vis osseuses (32A, 32B) d'un clou de verrouillage intramédullaire (30), celui-ci est pourvu d'un trou transversal supplémentaire (34) servant à placer un montage de perçage court après qu'un trou "surdimensionné" (57) ait été percé dans l'os (36), "coïncidant" avec le trou de positionnement (34), par le foret (56) d'un trou de guidage (55) situé dans un montage de perçage long (49) positionné exactement à partir d'un montage de guidage du perçage proximal standard (38), placé préalablement par rapport au clou (30). "CoIncidant" signifie que le périmètre du trou de positionnement (34) sera situé à l'intérieur du périmètre du trou "surdimensionné" (57) de l'os (36), et le trou de positionnement (34) possède un diamètre inférieur à celui des perçages distaux des vis osseuses (32A, 32B), de façon que le trou "surdimensionné" (57) de l'os (36) n'ait pas une dimension suffisamment grande pour occasionner des problèmes. L'invention décrit également des ensembles combinés comportant un clou, des vis osseuses, des montages de perçage et des moyens de positionnement.
EP19910913369 1990-07-24 1991-07-23 Clous de verrouillage intramedullaire Withdrawn EP0493570A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909016205A GB9016205D0 (en) 1990-07-24 1990-07-24 Interlocking intramedullary nails
GB9016205 1990-07-24

Publications (1)

Publication Number Publication Date
EP0493570A1 true EP0493570A1 (fr) 1992-07-08

Family

ID=10679558

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910913369 Withdrawn EP0493570A1 (fr) 1990-07-24 1991-07-23 Clous de verrouillage intramedullaire

Country Status (4)

Country Link
EP (1) EP0493570A1 (fr)
JP (1) JPH05501666A (fr)
GB (1) GB9016205D0 (fr)
WO (1) WO1992001422A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1719465A1 (fr) 2005-05-02 2006-11-08 CITIEFFE S.r.l. Dispositif de positionnement de vis de verrouillage distal pour un clou intramédullaire
WO2016024149A1 (fr) * 2014-08-12 2016-02-18 TANDIYA Dr Nitesh Kumar Clou verrouillé

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH685851A5 (de) * 1991-05-24 1995-10-31 Synthes Ag Chirurgisches Instrument zum Positionieren von osteosynthetischen Befestigungselementen
FR2689751B1 (fr) * 1992-04-08 1998-02-06 Medinov Sa Appareil pour la pose d'un clou centro medullaire.
US5374271A (en) * 1993-02-24 1994-12-20 Hwang; Chi-Yuan Double nail guiding system for targeting of distal screw holes of interlocking nails
IT1265088B1 (it) * 1993-05-20 1996-10-30 Maurizio Luigi Valsecchi Dispositivo magnetico per la individuazione della posizione e direzione dell'asse di forature ossee nelle tecniche di inchiodamento
US5417688A (en) * 1993-12-22 1995-05-23 Elstrom; John A. Optical distal targeting system for an intramedullary nail
IT1268313B1 (it) * 1994-07-28 1997-02-27 Orthofix Srl Attrezzatura meccanica per il centraggio di fori ciechi per viti ossee di chiodi intramidollari
FR2729558B1 (fr) * 1995-01-25 1997-06-06 Vichard Philippe Le clou centro-medullaire ascendant du femur au verrouillage mecanique de ses deux extremites
DE29608071U1 (de) * 1996-05-04 1997-09-04 Synthes AG Chur, Chur, Graubünden Zielgerät zur Verriegelung der Fusspartie von Marknägeln
DE69631539T2 (de) * 1996-07-16 2004-07-01 Centerpulse Orthopedics Ltd. Fixationssystem für aufsteigenden femur-marknagel mit einer mechanischen verriegelung an beiden seiten
US5766179A (en) * 1997-03-05 1998-06-16 Orthofix S.R.L. Mechanical system for blind nail-hole alignment of bone screws
IT1295181B1 (it) * 1997-09-15 1999-05-04 Hit Medica Srl Dispositivo per individuare il posizionamento delle viti di bloccaggio di un chiodo endomidollare.
GB9823974D0 (en) 1998-11-02 1998-12-30 Grampian Healthcare National H Fracture treatment
US20040153073A1 (en) 2000-02-01 2004-08-05 Hand Innovations, Inc. Orthopedic fixation system including plate element with threaded holes having divergent axes
AU8926301A (en) 2000-11-13 2002-05-16 Benoist Girard Sas Targeting apparatus for use in resectioning a femur when performing transfemoral osteotomy
AU779574B2 (en) * 2000-11-13 2005-01-27 Stryker Ireland Limited Targeting apparatus for use in performing endofemoral osteotomy surgery
US7175633B2 (en) * 2001-10-17 2007-02-13 Synthes (Usa) Orthopedic implant insertion instruments
AU2002340219B2 (en) * 2001-10-17 2006-11-02 Synthes Gmbh Orthopedic implant insertion instruments
WO2003043508A1 (fr) * 2001-11-19 2003-05-30 Sanatmetal Kft. Equipement pour fixation d'ongles intramedullaires
US6702823B2 (en) * 2002-01-14 2004-03-09 Hit Medica S.R.L. Device for identifying the position of intramedullary nail securement screw holes
US7481815B2 (en) 2004-09-23 2009-01-27 Synthes (U.S.A.) Coplanar X-ray guided aiming arm for locking of intramedullary nails
AU2006336444A1 (en) * 2006-01-27 2007-08-02 Depuy Products, Inc. A fracture fixation device and implantation jig therefor
EP2015685A2 (fr) * 2006-05-09 2009-01-21 Synthes GmbH Système d'enclouage et méthode pour ostéotomie de l'olécrâne
US8617219B2 (en) * 2006-07-31 2013-12-31 T.A.G. Medical Devices—Agriculture Cooperative Ltd. Arthroscopic bone transplanting procedure, and medical instruments useful therein
JP4605793B2 (ja) * 2006-08-24 2011-01-05 ナカシマプロペラ株式会社 髄内釘の姿勢矯正装置
DE102007022648B3 (de) * 2007-05-15 2008-09-11 Aesculap Ag & Co. Kg Markraumnagel mit Zielkörper
US8187281B2 (en) 2007-10-10 2012-05-29 Ebi, Llc Variable angle targeting device
KR101804230B1 (ko) * 2010-04-20 2018-01-10 신세스 게엠바하 골수강내 금속정 조준 장치
US8968324B2 (en) * 2011-10-27 2015-03-03 Kettering University Adjustable jig and method for targeting interlocking holes of an intramedullary nail
CN104665915A (zh) * 2015-02-02 2015-06-03 江苏荷普医疗器械有限公司 交锁髓内钉安装器械
CN112022316A (zh) * 2020-10-10 2020-12-04 陈聚伍 单杆双钉外固定架
CN112603511A (zh) * 2020-12-08 2021-04-06 刘炳祥 加固单元及髓内固定装置
CN113995466B (zh) * 2021-10-28 2023-05-12 北京长木谷医疗科技有限公司 胫骨截骨器及胫骨截骨导板组件

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668692A5 (en) * 1984-11-30 1989-01-31 Synthes Ag Bone pin alignment instrument - has lockable head pivoting in all directions
US4846162A (en) * 1987-09-14 1989-07-11 Moehring H David Orthopedic nail and method of bone fracture fixation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9201422A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1719465A1 (fr) 2005-05-02 2006-11-08 CITIEFFE S.r.l. Dispositif de positionnement de vis de verrouillage distal pour un clou intramédullaire
WO2016024149A1 (fr) * 2014-08-12 2016-02-18 TANDIYA Dr Nitesh Kumar Clou verrouillé

Also Published As

Publication number Publication date
GB9016205D0 (en) 1990-09-05
JPH05501666A (ja) 1993-04-02
WO1992001422A1 (fr) 1992-02-06

Similar Documents

Publication Publication Date Title
EP0493570A1 (fr) Clous de verrouillage intramedullaire
EP0704192B1 (fr) Tenon fileté osseux
AU747932B2 (en) Clamping connector for spinal fixation systems
US6423064B1 (en) Orthopaedic screw variable angle connection to a longitudinal support
EP0029298B1 (fr) Dispositif de fixation externe, en particulier pour fractures d'os
US4733654A (en) Intramedullar nailing assembly
US6171308B1 (en) Method and apparatus for external fixation of large bones
US9993348B2 (en) Prosthesis
CA2060009C (fr) Appareil de ciblage d'un implant devant etre utilise en particulier dans les fractures trochanteriennes ou subtrochanteriennes
US6340361B1 (en) External fixator clamp and system
US4360012A (en) External fixation devices for orthopaedic fractures
US5735852A (en) Clamp jaw for a spinal affixation device
US5443464A (en) External fixator apparatus
US6520961B1 (en) Method and apparatus for external fixation of a hinged joint
WO1997030650A1 (fr) Appareil externe d'immobilisation pour chirurgie osseuse
CZ288799B6 (cs) Způsob vedení vrtacího nástroje v průběhu vrtání podélného otvoru skrze krček lidské stehenní kosti a nástroj k provádění tohoto způsobu
KR20060002767A (ko) 두개안면 골절 교정 조립체
GB2280608A (en) External bone fixator
WO1991019468A1 (fr) Guide de vissage pour clou medullaire
AU2009203022A1 (en) Systems, methods and apparatuses for clamping and reclamping an orthopedic surgical cable
JP2000516820A (ja) 外部骨固定システム
US20100160913A1 (en) Surgical Device
US20070083213A1 (en) Orthopedic implant insertion handle and aiming guide
GB2375051A (en) Swivel Coupling
EP0966928B1 (fr) Prothese d'articulation avec vis de montée

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19920306

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE FR GB LI

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BRITISH TECHNOLOGY GROUP LTD

17Q First examination report despatched

Effective date: 19931004

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19940415