[go: up one dir, main page]

WO1996019943A1 - Instrument medical destine a reduire ou reconstruire des os faciaux fractures ou deformes - Google Patents

Instrument medical destine a reduire ou reconstruire des os faciaux fractures ou deformes Download PDF

Info

Publication number
WO1996019943A1
WO1996019943A1 PCT/KR1995/000174 KR9500174W WO9619943A1 WO 1996019943 A1 WO1996019943 A1 WO 1996019943A1 KR 9500174 W KR9500174 W KR 9500174W WO 9619943 A1 WO9619943 A1 WO 9619943A1
Authority
WO
WIPO (PCT)
Prior art keywords
bone
medical instrument
plate
arm
facial
Prior art date
Application number
PCT/KR1995/000174
Other languages
English (en)
Inventor
Yong Oock Kim
Original Assignee
Yong Oock Kim
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 Yong Oock Kim filed Critical Yong Oock Kim
Priority to AU43168/96A priority Critical patent/AU4316896A/en
Publication of WO1996019943A1 publication Critical patent/WO1996019943A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
    • A61B17/64—Devices extending alongside the bones to be positioned
    • A61B17/6433—Devices extending alongside the bones to be positioned specially adapted for use on body parts other than limbs, e.g. trunk or head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
    • A61B17/66—Alignment, compression or distraction mechanisms

Definitions

  • the present invention relates in general to a medical instrument for reducing or reconstructing fractured or deformed facial bones three dimensionally.
  • the medical instrument of this invention tightly attaches to a human head outside the skin, thus easily reducing or reconstructing the fractured or deformed facial bones without making an incision on the skin nor leaving any remarkable scars.
  • the scars are not shown as they are hidden by clothes so the scars do not cause embarrassment by others.
  • fractured craniofacial membranous bones, particularly facial bones cannot be reduced and united using a typical cast or fixation means, which has been used for reduction and fixation of the humerus or femur, due to the eyes, nose and ears of the head.
  • the fractured cranial bones or facial bones have been typically reduced and fixed through an open bone reduction operation.
  • such an open bone reduction operation has a problem in that it leaves remarkable scars on the incised parts of the face thus causing embarrassment to the patient when facing with other people.
  • an incision is made on the facial or head skin about the fractured facial bone.
  • the collapsing, projecting or displaced bone segments (hereinbelow, referred to simply as “bone segments") are combined with portions (hereinbelow, referred to as "unaffected portions ”) of the facial bone, not affected by the shock, using interosseous wiring, mini and micro-plate and screw system.
  • the bone segments of the fractured facial bone can be thus reduced and fixed.
  • the above method for reducing and fixating the bone segments of the fractured facial bone has a problem in that it is very difficult to precisely array the bone segments relative to the fixating bone since this method uses one point reduction.
  • the fractured points are reduced and fixed step by step, not simultaneous reduction of all the fractured points.
  • the interosseous wiring, mini and micro-plate system and screws must be removed from the united facial bone in some cases.
  • the facial skin or head skin has to be incised again. This lengthens the time of treatment and requires additional plastic surgical operation for removing the scars.
  • the interosseous wiring, mini and micro-plate system and screws are left on the bone segments of the facial bone, they can be a possible cause of infection.
  • the deformed facial bone has been typically reconstructed by either of the following two manners. That is, the facial bone deformity may be reconstructed by osteotomy with bone graft or lengthening the deformed bone.
  • the reconstructed bone segments In order to reconstruct the facial bone deformity with osteotomy and bone graft, the reconstructed bone segments must be retained using interosseous wiring and mini and micro-plate system until the bone segments are tightly united together after the reconstructing operation. And, the facial bone deformity can be reconstructed by lengthening the deformed bone theoretically, but there is no reports except mandible.
  • an object of the present invention to provide a medical instrument for reduction and fixation or reconstruction of fractured or deformed facial bones in which the above problems can be overcome and which tightly attaches to a human head outside the skin in order to reduce, fix, correct and lengthen a fractured and deformed facial bone three dimensionally.
  • the above medical instrument either does not require any surgical operations for incising the skin or minimizes the extent of incision, thus either requiring no plastic operation that removes incision of the skin or can reduce the scale of such a plastic operation.
  • the above medical instrument reconstructs a deformed facial bone through a bone lengthening procedure with neither inserting a synthetic material nor transplanting an autogenous bone graft, thus neither requiring any plastic surgery for removing scars from the skin nor causing infection or ill effects.
  • the present invention provides a medical instrument for reduction or reconstruction of facial bones comprising an attaching unit which is tightly screwed to a mastoid area of the temporal bone of cranium, thus tightly attaching the medical instrument to a cranial bone.
  • the above medical instrument also has a bone segment holding unit adapted for holding displaced bone segments of a fractured or deformed facial bone, thus reducing or reconstructing the facial bone.
  • the above holding unit is screwed to the displaced bone segments in order to hold the bone segments in their original places thus reducing or reconstructing the facial bone.
  • the above attaching and holding units are coupled together by a longitudinal arm unit.
  • the above arm unit also adjusts the position of the holding unit relative to the attaching unit in order to arrange the holding unit on the skin above the displaced bone segments of the facial bone.
  • Fig. 1 is an exploded perspective view showing the construction of a medical instrument in accordance with an embodiment of the present invention
  • Fig. 2 is a front view of the medical instrument of Fig. 1;
  • Fig. 3 is a plan view of the medical instrument of Fig. 1, showing a lateral turning motion of an arm unit of the instrument;
  • Fig. 4 is a front view of the medical instrument of Fig. 1, showing a vertical turning motion of the arm unit and different positions of a fixing plate of an attaching unit of the above instrument;
  • Figs. 5A to 5D are views showing the operational motions of the units of the above medical instrument, in which:
  • Fig. 5A is a view showing a turning motion of a bone segment holding unit pivoted to the arm unit
  • Fig. 5B is a view showing the lateral turning motion of the arm unit for adjusting the position of the holding unit;
  • Fig. 5C is a sectional view showing a motion of the attaching unit for adjusting the gap between front and back plates of the attaching unit.
  • Fig. 5D is a view showing a turning motion of a length adjusting screw for adjusting the length of the arm unit
  • Fig. 6 is a sectional view of an attaching unit of the medical instrument having a ball joint between the fixing and back plates in accordance with another embodiment of the present invention.
  • Fig. 7 is a view showing the medical instrument of the present invention attached to the left-handed side of a cranial bone in order to reduce and fix or reconstruct a fractured or deformed facial bone.
  • Figs. 1 to 3 show a medical instrument in accordance with an embodiment of the present invention.
  • the medical instrument of the invention generally comprises three parts, that is, an attaching unit 1, a bone segment holding unit 3, and an arm unit 2.
  • the attaching unit 1 is screwed to the mastoid area of the temporal bone of a human head.
  • the unit 1 is thus fixed to the mastoid area of the temporal bone and tightly attaches the medical instrument to the cranium (skull).
  • the bone segment holding unit 3 holds and fixes the displaced bone segments of a fractured or deformed facial bone in their original places until the bone segments of the facial bone are completely united together.
  • the arm unit 2 connects the attaching and holding units 1 and 3 together, thus assembling the units 1 and 3 into the medical instrument.
  • the above arm unit 2 also adjusts the position of the holding unit 3 in order to move the holding unit 3 on the skin above the displaced bone segments.
  • the above attaching unit 1 includes a fixing plate
  • the above fixing plate 11 is fixed to the mastoid area of the temporal bone outside the skin by a plurality of fixing screwed pins 15, thus tightly attaching the instrument to the human skull.
  • the above unit 1 also includes a back plate 12 which is coupled to the fixing plate 11.
  • the back plate 12 has an internally threaded boss which is fitted in the opening of the fixing plate 11.
  • a front plate 14 is coupled to the protrusion 19 of the bolt 13.
  • a plurality of fixing bolts 18 are fixed to the front plate 14 after passing the back plate 12, thus preventing the front plate 14 from rotating relative to the back plate 12.
  • the above front plate 14 includes a worm 26.
  • the worm 26 gears into a worm gear 25 of a first arm 21 of the arm unit 2 which will be described hereinbelow.
  • the arm unit 2 has a link motion.
  • the above link motion includes the first arm 21 which is pivotally fitted over the protrusion 19 of the gap adjusting bolt 13.
  • One end of the above first arm 21 has the worm gear 25 which gears into the worm 26 of the front plate 14 of the attaching unit 1.
  • the first arm 21 is thus turned up or down about the protrusion 19 in accordance with the rotating motion of the worm 26. That is, the first arm 21 can be turned to vertically move the holding unit 3 in order to arrange the unit 3 on the skin above the bone segments of the fractured or deformed facial bone.
  • An intermediate arm 22 is pivotally coupled to the other end of the first arm 21 at one end thereof by a first pivot bolt 41. The arm 22 is thus laterally rotatable about the pivot bolt 41.
  • the other end of the above intermediate arm 22 is pivotally coupled to one end of a second arm 23 by a second pivot bolt 42.
  • the above second arm 23 is laterally rotatable about the pivot bolt 42 and has an internally threaded guide plate 28.
  • the arm unit 2 also includes a longitudinal slide arm 24 which has a longitudinal guide slot 29.
  • the guide slot 29 of the above arm 24 slidably receives the guide plate 28 of the second arm 23.
  • the above slide arm 24 has a worm 35 on one end thereof.
  • a length adjusting screw 27 is axially set in the slide arm 24 and axially penetrates the guide plate 28 received in the guide slot 29.
  • the head of the above screw 27 is exposed outside the slide arm 24.
  • the above screw 27 can be thus handled outside the slide arm 24 in order to adjust the length of the arm unit 2.
  • the above bone segment holding unit 3 has an upper plate 31 whose one end is pivotally coupled to the slide arm 24 by a third pivot bolt 43.
  • the upper plate 31 has a worm gar 36 which gears into the worm 35 of the slide arm 24.
  • the above upper plate 31, which can be laterally turned about the slide arm 24, also has at least one groove 34 for holding a bone segment holding pin 33.
  • the holding unit 3 also includes a lower plate 32.
  • the lower plate 32 is assembled with the upper plate 31 by a fixing bolt 44, thus forming the holding unit 3.
  • the above lower plate 32 has at least one groove 34' at a position corresponding to the groove 34 of the upper plate 31.
  • the grooves 34 and 34' form a hole for holding the pin 33.
  • the above pin 33 which is held by the pin holding hole formed by the grooves 34 and 34' of the plates 31 and 32, holds a bone segment of the fractured or deformed facial bone in its original place.
  • each of the fixing and holding pins 15 and 33 has a sharpened screw tip 33' as shown in the circled portion of Fig. 1.
  • the screw tip 33' of each pin 15, 33 has a length shorter than the thickness of the cranial bone, the screw tip 33' cannot penetrate entire depth of the craniofacial bone.
  • a notch mark is formed on each rotating or reciprocating part of the above medical instrument in order to precisely check the rotating angle or reciprocating distance of each rotating or reciprocating part.
  • the attaching unit 1 of the medical instrument according to the primary embodiment of the invention comprises several parts, that is, the fixing plate 11, back plate 12, gap adjusting bolt 13 and front plate 14.
  • the above unit 1 may essentially consist of a thickened fixing plate 11 with the worm 26 in which the worm 26 gears into the worm gear 25 of the arm unit 2. That is, the gap adjusting bolt 13 may be removed from the attaching unit 1.
  • the number of parts of the above unit 1 may be increased in order to more precisely adjust the positions of the back and front plates 12 and 14 relative to the fixing plate 11 of the unit 1. That is, the fixing and back plate 11 and 12 of the attaching unit 1 may be coupled together by a ball joint 50 as shown in Fig. 6. In this case, the back and front plates 12 and 14 can freely rotate relative to the fixing plate 11 in every direction.
  • the first, intermediate and second arms 21, 22 and 23 and length adjusting screw 27 are assembled into the link motion of the arm unit 2.
  • the above arms 21, 22 and 23 may be integrated into a single body which is bent at a predetermined inclination angle.
  • the above integrated single body of the unit 2 in turn is coupled to the slide arm 24, thus forming the arm unit 2.
  • the link motion of the above arm unit 2 may comprise the first and second arms 21 and 23 which are pivotally coupled together without using the intermediate arm 22.
  • the pin 33 may be directly held by a bolt.
  • the above pin holding grooves 34 and 34' of the plates 31 and 32 may have circular or rectangular cross-sections in order to provide extra space for placing the pin 33 when holding the pin 33.
  • the holding part of the above pin 33 has a rectangular cross-section corresponding to the configuration of the grooves 34 and 34'. In this case, it is preferable to give uneven contact surfaces to the shank of the pin 33, thereby allowing the pin 33 to be more tightly held by the assembled plates 31 and 32.
  • the fixing pins 15 of the fixing plate 11 screw into the mastoid area 52' of the temporal bone 52 of a cranial bone 51.
  • the fixing pins 15 are, thereafter, fixed by the stop bolts 16, thus tightly attaching the fixing plate 11 to the temporal bone 52.
  • the worm 26 of the front plate 14 in the above state may rotate in order to adjust the holding unit 3 in accordance with the position of the fractured part of the facial bone.
  • the worm gear 25 of the first arm 21 rotates to turn the first arm 21 about the protrusion 19 of the gap adjusting bolt 13 up or down.
  • the position of the arm unit 2 relative to the attaching unit 1 can be thus adjusted. Thereafter, the length adjusting screw 27 engaging with the slide arm 24 of the arm unit 2 is handled outside the slide arm 24 thereby adjusting the length of the arm unit 2. In this case, the angles of the first, intermediate and second arms 21, 22 and 23 of the above arm unit 2 are appropriately adjusted at the same time.
  • an L-wrench is inserted into the center hole of the gap adjusting bolt's protrusion 19 prior to turning the bolt 13. The gap between the plates 12 and 14 is thus adjusted.
  • the order of adjusting the moving parts of the medical instrument may be changed.
  • the moving parts of the medical instrument may be repeatedly adjusted. It is preferable to adjust both the inclination angle of the arm unit 2 and the gap between the plates 11 and 14 of the attaching unit 1 prior to attaching the fixing plate 11 to the temporal bone 52.
  • the pin 33 screws into the bone segments of the fractured facial bone 9 prior to adjusting the position of the upper plate 31 of the holding unit 3 by rotating the worm gear 36.
  • the pin 33 screwing into the bone segments is in turn received in the holding grooves 34 and 34' of the plates 31 and 32.
  • the plates 31 and 32 are assembled together by the bolt 44, thus tightly holding the pin 33.
  • the length adjusting screw 27, gap adjusting bolt 13 and worm 26 are appropriately controlled in order to move the pin 33 along with the bone segment, thereby returning the bone segment to its original position.
  • the bone segment thus recovers its original position in the fractured facial bone three dimensionally.
  • the bolt 44 is loosened in order to separate the pin 33 from the holding unit 3.
  • the stop bolts 16 of the fixing plate 11 are loosened to allow the fixing pins 15 to be released.
  • the fixing pins 15 in the above state are separated from the temporal bone.
  • the medical instrument in the above state can be separated from the cranial bone 51.
  • the pins 15 and 33 are removed from the cranial bone 51.
  • the fixing plate 11 When the above medical instrument attaches to the other side or the right-handed side of the cranium, the fixing plate 11 is turned inside out and screwed to the mastoid area of the temporal bone of the cranium.
  • the moving parts of the reconstructing medical instrument such as the gap adjusting bolt 13, worm 26 and length adjusting screw 27 are appropriately handled after reconstructing the facial bone in the same manner as described for the reduction and fixation of the fractured facial bone.
  • the moving parts of the reconstructing medical instrument are handled at appropriate time intervals in order to lengthen the deformed facial bone by a predetermined length in a desired bone lengthening direction.
  • the medical instrument is fixed until the bone lengthening is completely accomplished and consolidated.
  • the above instrument is removed from the cranial bone after the reconstructed facial bone is completely united in the same manner as described for the reduction of a fractured facial bone.
  • the present invention provides a medical instrument for reducing or reconstructing fractured or deformed facial bones three dimensionally.
  • the above medical instrument simply attaches to a cranial bone outside the skin in order to reduce and fix the displaced bone segments of a fractured facial bone without performing any surgical operations for fixating the displaced bone segments using interosseous wiring, mini and micro-plate system and screws.
  • the medical instrument of this invention does not require a surgical operation for removing the interosseous wiring, mini and micro-plate system and screws after the bone segments are completely united together.
  • the above medical instrument thus leaves no scar or small scars on the skin in the event of reduction and bone union of the fractured facial bones.
  • the above medical instrument is effectively used for reconstructing a posttraumatic or congenital facial bone deformity through a bone lengthening procedure.
  • the above medical instrument simply attaches to a mastoid area of cranial bone outside the skin with neither performing a surgical operation nor using synthetic material or autogenous bone graft. That is, the above medical instrument simply reconstructs the facial bone deformity without performing any complex operations for cutting the deformed facial bone and fixating the bone segments of the facial bone using interosseous wiring, mini and micro-plate system and screws.
  • it is not required to insert a synthetic material or transplant an autogenous bone graft while reconstructing the facial bone deformity.
  • the medical instrument of this invention leaves no scar or small scars on the skin, thus requiring no additional plastic operation for removing the incision scars on the skin.
  • the above medical instrument used for reconstruction of a facial bone deformity neither causes infection due to the inserted synthetic material nor produces ill effects such as absorption of the transplanted autogenous bone graft.

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (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

Instrument médical destiné à réduire ou à reconstruire en trois dimensions des os faciaux fracturés ou présentant une déformation congénitale ou post-traumatique. Ledit instrument se fixe solidement à la tête du patient à l'extérieur de la peau afin de réduire ou de reconstruire un os facial fracturé ou déformé. Ledit instrument ne nécessite ni d'opérations chirurgicales complexes, ni l'utilisation de substances étrangères pendant la réduction ou la reconstruction des os faciaux fracturés ou déformés. Il ne laisse donc aucune cicatrice sur la peau, ne provoque pas d'infection et n'a pas d'effets néfastes dus à la présence de substances étrangères. Il comporte un dispositif (1) permettant d'attacher solidement ledit instrument à un os crânien (51), ledit dispositif (1) de fixation étant vissé à une zone mastoïde de l'os temporal du crâne, un dispositif (3) destiné à maintenir les fragments osseux déplacés d'un os facial fracturé ou déformé, ce qui permet de réduire ou de reconstruire ledit os facial, ledit dispositif (3) de fixation étant vissé aux fragments osseux déplacés afin de maintenir lesdits fragments osseux dans leur position initiale, ce qui permet une réduction ou reconstruction tridimensionnelle de l'os facial, et un dispositif (2) destiné à relier entre eux les dispositifs de fixation et de maintien (1, 3) et à régler la position du dispositif de maintien (3) afin de placer correctement ledit dispositif de maintien (3) sur la peau au-dessus des fragments osseux de l'os facial.
PCT/KR1995/000174 1994-12-28 1995-12-27 Instrument medical destine a reduire ou reconstruire des os faciaux fractures ou deformes WO1996019943A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU43168/96A AU4316896A (en) 1994-12-28 1995-12-27 Medical instrument for reducing or reconstructing fractured or deformed facial bones

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019940038155A KR0139944B1 (ko) 1994-12-28 1994-12-28 안면골교정기
KR1994/38155 1994-12-28

Publications (1)

Publication Number Publication Date
WO1996019943A1 true WO1996019943A1 (fr) 1996-07-04

Family

ID=19404433

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR1995/000174 WO1996019943A1 (fr) 1994-12-28 1995-12-27 Instrument medical destine a reduire ou reconstruire des os faciaux fractures ou deformes

Country Status (3)

Country Link
KR (1) KR0139944B1 (fr)
AU (1) AU4316896A (fr)
WO (1) WO1996019943A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118309A1 (fr) * 1999-06-16 2001-07-25 Stryker Leibinger GmbH & Co. KG Dispositif interne de distraction
US7261713B2 (en) 2001-10-09 2007-08-28 Synthes (Usa) Adjustable fixator
RU2311147C2 (ru) * 2005-12-13 2007-11-27 Государственное образовательное учреждение высшего профессионального образования Дальневосточный государственный медицинский университет Федерального агентства по здравоохранению и социальному развитию Устройство для лечения переломов костей средней зоны лица
RU2430698C2 (ru) * 2009-12-22 2011-10-10 Константин Петрович Головко Способ внеочагового-стержневого остеосинтеза при переломах верхней челюсти по типу ле-фор - ii средний и комплект для его осуществления
CN105962984A (zh) * 2016-04-23 2016-09-28 王喆 一种关节式动脉瘤夹

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681058A (en) * 1951-01-05 1954-06-15 Ralph B Mathues Headset for fixation of facial fractures
US3072118A (en) * 1957-12-26 1963-01-08 Reginald G Standerwick Fracture appliance

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681058A (en) * 1951-01-05 1954-06-15 Ralph B Mathues Headset for fixation of facial fractures
US3072118A (en) * 1957-12-26 1963-01-08 Reginald G Standerwick Fracture appliance

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118309A1 (fr) * 1999-06-16 2001-07-25 Stryker Leibinger GmbH & Co. KG Dispositif interne de distraction
US7261713B2 (en) 2001-10-09 2007-08-28 Synthes (Usa) Adjustable fixator
RU2311147C2 (ru) * 2005-12-13 2007-11-27 Государственное образовательное учреждение высшего профессионального образования Дальневосточный государственный медицинский университет Федерального агентства по здравоохранению и социальному развитию Устройство для лечения переломов костей средней зоны лица
RU2430698C2 (ru) * 2009-12-22 2011-10-10 Константин Петрович Головко Способ внеочагового-стержневого остеосинтеза при переломах верхней челюсти по типу ле-фор - ii средний и комплект для его осуществления
CN105962984A (zh) * 2016-04-23 2016-09-28 王喆 一种关节式动脉瘤夹

Also Published As

Publication number Publication date
KR960020961A (ko) 1996-07-18
KR0139944B1 (ko) 1998-06-15
AU4316896A (en) 1996-07-19

Similar Documents

Publication Publication Date Title
EP1132052B1 (fr) Système de plaque d'ostéosynthèse
US6187004B1 (en) Subcutaneous bone expansion device
US5006120A (en) Distal radial fracture set and method for repairing distal radial fractures
AU679587B2 (en) Anterior cervical plate holder/drill guide and method of use
CA2191405C (fr) Plaque telescopique pour l'allongement d'os par osteogenese en distraction
US4628919A (en) Dynamic external fixator and method of use
US5364399A (en) Anterior cervical plating system
US5827286A (en) Incrementally adjustable tibial osteotomy fixation device and method
US5540687A (en) Device for the distraction of bones
JP2538470B2 (ja) 骨ねじ
JP4368560B2 (ja) 多軸式固定プレート
US7758581B2 (en) Polyaxial reaming apparatus and method
CN107530110B (zh) 用于脊柱减压的薄层植入物和方法
CA2268988A1 (fr) Appareil d'osteogenese en distraction immergeable, imperdable et procede d'utilisation
BR112015003734B1 (pt) Sistema de fixação óssea e elemento de fixação óssea
US9498346B2 (en) Surgical implant for widening a vertebral canal
EP4252682B1 (fr) Clou fémoral et système d'instrumentation
MXPA03002736A (es) Distractor maxilar.
DE10335388B4 (de) Satz chirurgischer Referenzierungsvorrichtungen
WO1996019943A1 (fr) Instrument medical destine a reduire ou reconstruire des os faciaux fractures ou deformes
KR102225080B1 (ko) 골절 치료용 금속정
CN111419366A (zh) 可刚可柔可由柔性渐变为刚性固定的椎弓根钉棒系统
TR2022012382A2 (tr) Kemi̇k tespi̇ti̇nde ki̇li̇tli̇-ki̇li̇tsi̇z plak-vi̇da veya i̇ntramedüller çi̇vi̇ kulllaniminda kontrollü kompresyon, li̇mi̇tli̇ di̇straksi̇on i̇le greftleme ve sonra kompresyon, gerekti̇ği̇nde sinirli bi̇r uzatma sağlamak i̇çi̇n yeni̇ ci̇haz
CN117100353A (zh) 一种可增加摆锯切割范围的截骨器
HK1005682B (en) Anterior cervical plating system

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU BR CA CN JP RU US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase