WO1999051160A1 - Distraction device - Google Patents

Distraction device Download PDF

Info

Publication number
WO1999051160A1
WO1999051160A1 PCT/GB1999/001039 GB9901039W WO9951160A1 WO 1999051160 A1 WO1999051160 A1 WO 1999051160A1 GB 9901039 W GB9901039 W GB 9901039W WO 9951160 A1 WO9951160 A1 WO 9951160A1
Authority
WO
WIPO (PCT)
Prior art keywords
distraction
elements
relative movement
ratchet wheel
screw
Prior art date
Application number
PCT/GB1999/001039
Other languages
French (fr)
Inventor
Ivor Rex Harris
Andrew Stewart
David Young
Joseph Noar
Robert Evans
Original Assignee
The University Of Birmingham
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 The University Of Birmingham filed Critical The University Of Birmingham
Priority to AU34294/99A priority Critical patent/AU3429499A/en
Publication of WO1999051160A1 publication Critical patent/WO1999051160A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
    • A61B17/66—Alignment, compression or distraction mechanisms
    • A61B17/663—Alignment, compression or distraction mechanisms for jaw bones, e.g. subcutaneous distractors with external access

Definitions

  • This invention relates to a distraction device and, more particularly though not exclusively, to an osteosynthetic distraction device, ie a device for lengthening of bones.
  • bones which require to be lengthened eg jawbones
  • pins that are anchored in the bone parts and extend through the skin to connect with a threaded distraction bar system that allows the gap in the broken bone to be opened up, usually at a rate of 1 mm/day for 10 to 20 days.
  • the new bone forms across the gap leading to an extension of the bone.
  • this known system leads to scarring of the face and the possibility of infection.
  • a distraction device for distracting first and second parts, said device comprising (a) first and second distraction elements which are adapted to be secured respectively to said first and second parts, said first and second distraction elements being relatively moveable in a distraction direction so as to effect distraction of said parts in use; (b) controllable means for effecting relative movement between said first and second distraction elements in said distraction direction; and (c) stop means for preventing relative movement of said first and second distraction elements in a direction opposite to said distraction direction; wherein said controllable means includes (i) at least one magnetic element which is mounted so as to be moveable under the influence of an externally applied magnetic field, and (ii) connection means having an input operably connected with said at least one magnetic 2 element and an output arranged to effect relative movement between said first and second distraction elements in said distraction direction.
  • a magnetic element which can be moved simply by application of an external magnetic field thereto enables distraction to be effected by a device having no parts which penetrate through the skin during the distraction period and without the need to bring an adjusting tool into physical contact therewith.
  • this potentially enables the device, when used for osteosynthetic distraction, to be inserted completely under the skin of a patient, thereby potentially reducing the risk of infection.
  • the device In the case of osteosynthetic distraction of the jawbone, the device can be implanted through an incision within the mouth, thereby avoiding external scarring.
  • connection means comprises a force multiplier.
  • the force multiplier comprises a screw-threaded slidable output rod and a screw-threaded rotary input element which is screw-engaged with the output rod so that rotation of the input element relative to the rod in one direction causes axial output movement of the latter to effect relative movement of said first and second distracting elements in said distraction direction; and the input element is operably connected with said at least one magnetic element so that movement of the latter under the influence of an external magnetic field causes rotation of said input element.
  • the rotary input element takes the form of a ratchet wheel having an internally screw-threaded bore therethrough for engagement with the rod, and said at least one magnetic element is reciprocatable under the influence of appropriate external magnetic fields so as to enable 3 rotation of said ratchet wheel in a stepwise manner by acting via teeth on the ratchet wheel.
  • the stop means comprises a pawl cooperating with said teeth.
  • Fig 1 is a schematic representation of an osteosynthetic distraction device according to one embodiment of the present invention (not to scale),
  • Fig 2 is a side elevation showing a detail of the device of Fig 1 ,
  • Fig 3 is a view on a larger scale showing how a tooth of the device can be moved
  • Fig. 4 is a view similar to Fig. 1 of another embodiment.
  • the osteosynthetic distraction device comprises first and second parts 10 and 12 having respective apertured flanges 10a and 12a adapted to receive fixing pins 14 and 16 which, in use, are anchored (eg by screw-engagement) in respective first and second bone parts B1 and B2 of a bone (eg a jawbone) to be distracted.
  • the first and second parts 10 and 12 are telescopically slidable relative to one another and are both hollow.
  • An internal support wall 10b provided within the first part 10 has a bore 10c therethrough which slidably and rotatably receives an elongate, externally screw-threaded rod 18.
  • the rod 18 is also slidable relative to a guide bar 20 mounted within the first part 10.
  • a ratchet wheel 22 is mounted on the support wall 10b for rotation relative thereto, but is fixed against axial movement relative to the wall 10b.
  • the ratchet wheel 22 has an internally screw-threaded axial bore therethrough for screw-engagement with the external screw-threading on 4 the rod 18.
  • rotation of the ratchet wheel 22 will result in axial movement of the rod 18.
  • One end of the rod 18 projects from the first part 10 and abuts against an end wall 12b of the second part 12.
  • the screw threading is arranged such that, if the ratchet wheel 22 is rotated in an anti-clockwise direction as viewed in Fig 2, the rod 18 is urged forcibly against the end wall 12b so that the first and second parts 10 and 12 are moved relative to one another in a distraction direction, i.e. in a direction to separate the pins 14 and 16.
  • a pawl 24 is mounted on the support wall 10b and is defined by an arm of a spring.
  • the pawl 24 cooperates with the teeth on the ratchet wheel 24 to prevent rotation of the wheel in a clockwise direction, i.e. in a direction which is opposite to that required to move the first and second parts 10 and 12 relatively in the distraction direction, but permits anti-clockwise rotation of the ratchet wheel.
  • the device further includes a slide 28 which is mounted on the support wall 10b for sliding movement vertically as viewed in the drawings.
  • the lower end of the slide 28 carries a horizontally disposed permanent magnet 30 which is disposed within the first part 10 as near as possible to that side of the device which is remote from the flanges 10a and 12a.
  • the slide 28 is disposed to one side of the ratchet wheel 22 and rod 18.
  • the permanent magnet 30 is disposed mostly below (but to one side of) the rod 18.
  • the opposite poles of the magnet 30 are on the opposite longitudinal side faces thereof.
  • the slide 28 carries a horizontal boss 32 upon which a torsion spring 34 is mounted.
  • a fixed end 34a of the spring 34 is lodged between a pair of stops 36 mounted on the slide 28, whilst a moveable end 34b of the spring 34 carries a finger 38 which projects beyond a side edge of the 5 slide 28 for cooperation with the teeth on the ratchet wheel 22 as illustrated in Fig 2.
  • the whole of the device described above is mounted in position as illustrated schematically in Fig 1 so as to lie totally under the skin S of a patient required to have bone parts B1 and B2 distracted.
  • the magnet 30 is disposed under the skin S and can be acted upon by an external magnetic field produced by an external magnet M.
  • an external magnet M When the poles of the external magnet M are orientated such as to attract the magnet 30, attraction of the magnet 30 is accompanied by downward sliding movement of the slide 28 and corresponding downward sliding movement of the finger 38.
  • Engagement of the finger 38 with one of the teeth of the ratchet wheel 22 causes the latter to be rotated through a small angle in an anti-clockwise direction to effect distraction of the bone parts B 1 and B2 by a small amount, in the manner described above.
  • Rotation of the ratchet wheel 22 in this direction is permitted by the pawl 24. If further distraction movement is required, then the external magnet M is reorientated and brought close to the skin S so as to cause a repulsive force between it and the magnet 30. This causes the slide 28 to move upwardly as viewed in the drawings. However, since the pawl 24 prevents rotation of the ratchet wheel 22 in an anti-clockwise direction, the finger 38 moves over an overlying tooth of the ratchet wheel 22 by flexing of the spring arm 34b so as to bring the finger 38 above the aforementioned tooth on the ratchet wheel 22. After this, the spring arm 34b moves the finger 38 into the tooth gap of the ratchet wheel 22.
  • the first and second parts 10 and 12 may be formed of titanium so as to be biocompatible.
  • the permanent magnet 30 may be formed of Nd-Fe-B.
  • the other parts of the device are also formed of titanium for biocompatibility.
  • the magnet M may be a permanent magnet or an electromagnet.
  • the magnet 30 in this embodiment is mounted on the first part 10 which carries spring-mounted finger 38.
  • the finger 38 engages with the teeth of a linear ratchet 40 fixed relative to the second part 12.
  • the linear ratchet 40 extends in the distraction direction and the teeth are orientated so as to allow relative movement between the first and second parts 10 and 12 in the distraction direction but to prevent relative movement thereof in the opposite direction. It wil l therefore be understood that relative of the parts 10 and 12 to effect distraction can be effected by appropriate manipulation of the magnet M adjacent to and externally of the skin S.

Abstract

An osteosynthetic distraction device is adapted for insertion under the skin of a patient and has first and second relatively moveable distraction elements (10 and 12) which are secured respectively to bone parts B1 and B2 to be distracted. A controllable arrangement is provided for effecting relative movement between the distraction elements (10 and 12) in a distraction direction. The controllable arrangement includes at least one permanent magnet (30) movable under the influence of an externally applied magnetic field. Movement of the magnet (30) causes relative movement between said first and second distraction elements (10 and 12) in said distraction direction. A stop, such as a pawl and ratchet (24, 22), prevents relative movement of said first and second distraction elements (10 and 12) in a direction opposite to said distraction direction.

Description

1 DISTRACTION DEVICE
This invention relates to a distraction device and, more particularly though not exclusively, to an osteosynthetic distraction device, ie a device for lengthening of bones.
At present, bones which require to be lengthened, eg jawbones, are broken and held together with pins that are anchored in the bone parts and extend through the skin to connect with a threaded distraction bar system that allows the gap in the broken bone to be opened up, usually at a rate of 1 mm/day for 10 to 20 days. The new bone forms across the gap leading to an extension of the bone. However, this known system leads to scarring of the face and the possibility of infection.
It is an object of the present invention to provide an improved distraction device.
According to the present invention, there is provided a distraction device for distracting first and second parts, said device comprising (a) first and second distraction elements which are adapted to be secured respectively to said first and second parts, said first and second distraction elements being relatively moveable in a distraction direction so as to effect distraction of said parts in use; (b) controllable means for effecting relative movement between said first and second distraction elements in said distraction direction; and (c) stop means for preventing relative movement of said first and second distraction elements in a direction opposite to said distraction direction; wherein said controllable means includes (i) at least one magnetic element which is mounted so as to be moveable under the influence of an externally applied magnetic field, and (ii) connection means having an input operably connected with said at least one magnetic 2 element and an output arranged to effect relative movement between said first and second distraction elements in said distraction direction.
The use of a magnetic element which can be moved simply by application of an external magnetic field thereto enables distraction to be effected by a device having no parts which penetrate through the skin during the distraction period and without the need to bring an adjusting tool into physical contact therewith. Thus, this potentially enables the device, when used for osteosynthetic distraction, to be inserted completely under the skin of a patient, thereby potentially reducing the risk of infection. In the case of osteosynthetic distraction of the jawbone, the device can be implanted through an incision within the mouth, thereby avoiding external scarring.
Preferably, the connection means comprises a force multiplier.
Preferably, the force multiplier comprises a screw-threaded slidable output rod and a screw-threaded rotary input element which is screw-engaged with the output rod so that rotation of the input element relative to the rod in one direction causes axial output movement of the latter to effect relative movement of said first and second distracting elements in said distraction direction; and the input element is operably connected with said at least one magnetic element so that movement of the latter under the influence of an external magnetic field causes rotation of said input element.
Most preferably, the rotary input element takes the form of a ratchet wheel having an internally screw-threaded bore therethrough for engagement with the rod, and said at least one magnetic element is reciprocatable under the influence of appropriate external magnetic fields so as to enable 3 rotation of said ratchet wheel in a stepwise manner by acting via teeth on the ratchet wheel. Preferably, the stop means comprises a pawl cooperating with said teeth.
Embodiment of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:-
Fig 1 is a schematic representation of an osteosynthetic distraction device according to one embodiment of the present invention (not to scale),
Fig 2 is a side elevation showing a detail of the device of Fig 1 ,
Fig 3 is a view on a larger scale showing how a tooth of the device can be moved, and
Fig. 4 is a view similar to Fig. 1 of another embodiment.
Referring now to the drawings, the osteosynthetic distraction device comprises first and second parts 10 and 12 having respective apertured flanges 10a and 12a adapted to receive fixing pins 14 and 16 which, in use, are anchored (eg by screw-engagement) in respective first and second bone parts B1 and B2 of a bone (eg a jawbone) to be distracted. The first and second parts 10 and 12 are telescopically slidable relative to one another and are both hollow. An internal support wall 10b provided within the first part 10 has a bore 10c therethrough which slidably and rotatably receives an elongate, externally screw-threaded rod 18. The rod 18 is also slidable relative to a guide bar 20 mounted within the first part 10. A ratchet wheel 22 is mounted on the support wall 10b for rotation relative thereto, but is fixed against axial movement relative to the wall 10b.
The ratchet wheel 22 has an internally screw-threaded axial bore therethrough for screw-engagement with the external screw-threading on 4 the rod 18. Thus, it will be understood that rotation of the ratchet wheel 22 will result in axial movement of the rod 18. One end of the rod 18 projects from the first part 10 and abuts against an end wall 12b of the second part 12. The screw threading is arranged such that, if the ratchet wheel 22 is rotated in an anti-clockwise direction as viewed in Fig 2, the rod 18 is urged forcibly against the end wall 12b so that the first and second parts 10 and 12 are moved relative to one another in a distraction direction, i.e. in a direction to separate the pins 14 and 16.
Referring now to Fig 2, a pawl 24 is mounted on the support wall 10b and is defined by an arm of a spring. The pawl 24 cooperates with the teeth on the ratchet wheel 24 to prevent rotation of the wheel in a clockwise direction, i.e. in a direction which is opposite to that required to move the first and second parts 10 and 12 relatively in the distraction direction, but permits anti-clockwise rotation of the ratchet wheel.
The device further includes a slide 28 which is mounted on the support wall 10b for sliding movement vertically as viewed in the drawings. The lower end of the slide 28 carries a horizontally disposed permanent magnet 30 which is disposed within the first part 10 as near as possible to that side of the device which is remote from the flanges 10a and 12a. The slide 28 is disposed to one side of the ratchet wheel 22 and rod 18. As can be seen from Fig 1 , the permanent magnet 30 is disposed mostly below (but to one side of) the rod 18. The opposite poles of the magnet 30 are on the opposite longitudinal side faces thereof.
The slide 28 carries a horizontal boss 32 upon which a torsion spring 34 is mounted. A fixed end 34a of the spring 34 is lodged between a pair of stops 36 mounted on the slide 28, whilst a moveable end 34b of the spring 34 carries a finger 38 which projects beyond a side edge of the 5 slide 28 for cooperation with the teeth on the ratchet wheel 22 as illustrated in Fig 2.
In use, the whole of the device described above is mounted in position as illustrated schematically in Fig 1 so as to lie totally under the skin S of a patient required to have bone parts B1 and B2 distracted. The magnet 30 is disposed under the skin S and can be acted upon by an external magnetic field produced by an external magnet M. When the poles of the external magnet M are orientated such as to attract the magnet 30, attraction of the magnet 30 is accompanied by downward sliding movement of the slide 28 and corresponding downward sliding movement of the finger 38. Engagement of the finger 38 with one of the teeth of the ratchet wheel 22 causes the latter to be rotated through a small angle in an anti-clockwise direction to effect distraction of the bone parts B 1 and B2 by a small amount, in the manner described above. Rotation of the ratchet wheel 22 in this direction is permitted by the pawl 24. If further distraction movement is required, then the external magnet M is reorientated and brought close to the skin S so as to cause a repulsive force between it and the magnet 30. This causes the slide 28 to move upwardly as viewed in the drawings. However, since the pawl 24 prevents rotation of the ratchet wheel 22 in an anti-clockwise direction, the finger 38 moves over an overlying tooth of the ratchet wheel 22 by flexing of the spring arm 34b so as to bring the finger 38 above the aforementioned tooth on the ratchet wheel 22. After this, the spring arm 34b moves the finger 38 into the tooth gap of the ratchet wheel 22. Whereupon, further reorientation and movement of the magnet M can be used to move the slide 28 downwardly again to effect further distraction of the bone parts B1 and B2. This operation can be repeated as many times and with a frequency such as to effect the required distraction regime for the particular bone being distracted. The first and second parts 10 and 12 may be formed of titanium so as to be biocompatible. The permanent magnet 30 may be formed of Nd-Fe-B. The other parts of the device are also formed of titanium for biocompatibility.
If desired, more than one such device may be used for distraction of a bone. The magnet M may be a permanent magnet or an electromagnet.
In the embodiment of Fig. 4, parts similar to those of the device of Figs. 1 to 3 are accorded the same reference numerals. The magnet 30 in this embodiment is mounted on the first part 10 which carries spring-mounted finger 38. The finger 38 engages with the teeth of a linear ratchet 40 fixed relative to the second part 12. The linear ratchet 40 extends in the distraction direction and the teeth are orientated so as to allow relative movement between the first and second parts 10 and 12 in the distraction direction but to prevent relative movement thereof in the opposite direction. It wil l therefore be understood that relative of the parts 10 and 12 to effect distraction can be effected by appropriate manipulation of the magnet M adjacent to and externally of the skin S.

Claims

7 CLAIMS
1 . A distraction device for distracting first and second parts, said device comprising (a) first and second distraction elements which are adapted to be secured respectively to said first and second parts, said first and second distraction elements being relatively moveable in a distraction direction so as to effect distraction of said parts in use; (b) controllable means for effecting relative movement between said first and second distraction elements in said distraction direction; and (c) stop means for preventing relative movement of said first and second distraction elements in a direction opposite to said distraction direction; wherein said controllable means includes (i) at least one magnetic element which is mounted so as to be moveable under the influence of an externally applied magnetic field, and (ii) connection means having an input operably connected with said at least one magnetic element and an output arranged to effect relative movement between said first and second distraction elements in said distraction direction.
2. A device as claimed in claim 1, which is an osteosynthetic distraction adapted to be inserted completely under the skin of a patient..
3. A device as claimed in claim 1 or 2, wherein the connection means comprises a force multiplier.
4. A device as claimed in claim 3, wherein the force multiplier comprises a screw-threaded slidable output rod and a screw-threaded rotary input element which is screw-engaged with the output rod so that rotation of the input element relative to the rod in one direction causes axial output movement of the latter to effect relative movement of said first and second distracting elements in said distraction direction; and the input 8 element is operably connected with said at least one magnetic element so that movement of the latter under the influence of an external magnetic field causes rotation of said input element.
5. A device as claimed in claim 3, wherein the rotary input element takes the form of a ratchet wheel having an internally screw-threaded bore therethrough for engagement with the rod, and said at least one magnetic element is reciprocatable under the influence of an applied external magnetic field so as to enable rotation of said ratchet wheel in a stepwise manner by acting via teeth on the ratchet wheel.
6. A device as claimed in claim 5, wherein the stop means comprises a pawl co-operating with said teeth
PCT/GB1999/001039 1998-04-02 1999-04-06 Distraction device WO1999051160A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU34294/99A AU3429499A (en) 1998-04-02 1999-04-06 Distraction device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9806999.0 1998-04-02
GBGB9806999.0A GB9806999D0 (en) 1998-04-02 1998-04-02 Distraction device

Publications (1)

Publication Number Publication Date
WO1999051160A1 true WO1999051160A1 (en) 1999-10-14

Family

ID=10829682

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1999/001039 WO1999051160A1 (en) 1998-04-02 1999-04-06 Distraction device

Country Status (3)

Country Link
AU (1) AU3429499A (en)
GB (1) GB9806999D0 (en)
WO (1) WO1999051160A1 (en)

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000033751A1 (en) * 1998-12-04 2000-06-15 Wittenstein Gmbh & Co Kg Distraction assembly
WO2001078614A1 (en) * 2000-04-13 2001-10-25 University College London Surgical distraction device
WO2002071962A1 (en) * 2001-03-13 2002-09-19 Soubeiran Arnaud Andre Device for moving one bone portion in relation to another in one direction along a given axis
WO2002094113A1 (en) * 2001-05-23 2002-11-28 Orthogon Technologies 2003 Ltd. Magnetically-actuable intramedullary device
EP1788961A2 (en) * 2004-08-24 2007-05-30 Walter Lorenz Surgical, Inc. Bone distractor with ratchet mechanism
WO2007118179A2 (en) * 2006-04-06 2007-10-18 Synthes (U.S.A.) Remotely adjustable tissue displacement device
FR2901991A1 (en) * 2006-06-13 2007-12-14 Arnaud Andre Soubeiran INTRACORPOREAL LENGTH DEVICE WITH TENSIONED SCREW
FR2906453A1 (en) * 2006-10-03 2008-04-04 Arnaud Andre Soubeiran Intra body e.g. bone, extending device e.g. oesto implant, for use by surgeon, has connection unit for connecting between permanent magnet and part, and screw and thread rotating output shaft to drive movement of another part
CN101466321A (en) * 2006-04-06 2009-06-24 新特斯有限责任公司 Remotely adjustable tissue displacement device
US7955357B2 (en) 2004-07-02 2011-06-07 Ellipse Technologies, Inc. Expandable rod system to treat scoliosis and method of using the same
US8057472B2 (en) 2007-10-30 2011-11-15 Ellipse Technologies, Inc. Skeletal manipulation method
US8197490B2 (en) 2009-02-23 2012-06-12 Ellipse Technologies, Inc. Non-invasive adjustable distraction system
US8298240B2 (en) 2006-04-06 2012-10-30 Synthes (Usa) Remotely adjustable tissue displacement device
US8382756B2 (en) 2008-11-10 2013-02-26 Ellipse Technologies, Inc. External adjustment device for distraction device
US8449543B2 (en) 2009-09-04 2013-05-28 Ellipse Technologies, Inc. Bone growth device and method
US8568457B2 (en) 2009-12-01 2013-10-29 DePuy Synthes Products, LLC Non-fusion scoliosis expandable spinal rod
US8715282B2 (en) 2011-02-14 2014-05-06 Ellipse Technologies, Inc. System and method for altering rotational alignment of bone sections
US8715159B2 (en) 2006-10-20 2014-05-06 Ellipse Technologies, Inc. Adjustable implant and method of use
US8961567B2 (en) 2010-11-22 2015-02-24 DePuy Synthes Products, LLC Non-fusion scoliosis expandable spinal rod
US9113967B2 (en) 2009-09-09 2015-08-25 Arnaud Soubeiran Intracorporeal device for moving tissue
US9198755B2 (en) 2008-03-25 2015-12-01 Ellipse Technologies, Inc. Adjustable implant system
US9248043B2 (en) 2010-06-30 2016-02-02 Ellipse Technologies, Inc. External adjustment device for distraction device
WO2017097998A1 (en) * 2015-12-09 2017-06-15 Ecole Nationale Supérieure De Techniques Avancées Plate distractor and assembly of such a plate distractor and an activation tool
ES2670449A1 (en) * 2016-11-29 2018-05-30 Fundacion Para La Investigacion Biomedica Del Hospital Universitario De La Princesa MANDIBULAR DISTRACTOR (Machine-translation by Google Translate, not legally binding)
CN108670386A (en) * 2018-06-11 2018-10-19 中国人民解放军第四军医大学 A kind of built-in electromagnetic remote control jawbone distraction osteogenesis stretch device
US10130405B2 (en) 2012-10-29 2018-11-20 Nuvasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
US10238427B2 (en) 2015-02-19 2019-03-26 Nuvasive Specialized Orthopedics, Inc. Systems and methods for vertebral adjustment
US10271885B2 (en) 2014-12-26 2019-04-30 Nuvasive Specialized Orthopedics, Inc. Systems and methods for distraction
US10349982B2 (en) 2011-11-01 2019-07-16 Nuvasive Specialized Orthopedics, Inc. Adjustable magnetic devices and methods of using same
US10405891B2 (en) 2010-08-09 2019-09-10 Nuvasive Specialized Orthopedics, Inc. Maintenance feature in magnetic implant
US10743794B2 (en) 2011-10-04 2020-08-18 Nuvasive Specialized Orthopedics, Inc. Devices and methods for non-invasive implant length sensing
US10751094B2 (en) 2013-10-10 2020-08-25 Nuvasive Specialized Orthopedics, Inc. Adjustable spinal implant
US10835290B2 (en) 2015-12-10 2020-11-17 Nuvasive Specialized Orthopedics, Inc. External adjustment device for distraction device
US10918425B2 (en) 2016-01-28 2021-02-16 Nuvasive Specialized Orthopedics, Inc. System and methods for bone transport
US11241257B2 (en) 2008-10-13 2022-02-08 Nuvasive Specialized Orthopedics, Inc. Spinal distraction system
US11246694B2 (en) 2014-04-28 2022-02-15 Nuvasive Specialized Orthopedics, Inc. System for informational magnetic feedback in adjustable implants
USRE49061E1 (en) 2012-10-18 2022-05-10 Nuvasive Specialized Orthopedics, Inc. Intramedullary implants for replacing lost bone
US11357547B2 (en) 2014-10-23 2022-06-14 Nuvasive Specialized Orthopedics Inc. Remotely adjustable interactive bone reshaping implant
US11577097B2 (en) 2019-02-07 2023-02-14 Nuvasive Specialized Orthopedics, Inc. Ultrasonic communication in medical devices
US11589901B2 (en) 2019-02-08 2023-02-28 Nuvasive Specialized Orthopedics, Inc. External adjustment device
US11596456B2 (en) 2015-10-16 2023-03-07 Nuvasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
US11602380B2 (en) 2009-04-29 2023-03-14 Nuvasive Specialized Orthopedics, Inc. Interspinous process device and method
US11696836B2 (en) 2013-08-09 2023-07-11 Nuvasive, Inc. Lordotic expandable interbody implant
US11737787B1 (en) 2021-05-27 2023-08-29 Nuvasive, Inc. Bone elongating devices and methods of use
US11766252B2 (en) 2013-07-31 2023-09-26 Nuvasive Specialized Orthopedics, Inc. Noninvasively adjustable suture anchors
US11801187B2 (en) 2016-02-10 2023-10-31 Nuvasive Specialized Orthopedics, Inc. Systems and methods for controlling multiple surgical variables
US11806054B2 (en) 2021-02-23 2023-11-07 Nuvasive Specialized Orthopedics, Inc. Adjustable implant, system and methods
US11857226B2 (en) 2013-03-08 2024-01-02 Nuvasive Specialized Orthopedics Systems and methods for ultrasonic detection of device distraction

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976060A (en) * 1974-04-09 1976-08-24 Messerschmitt-Bolkow-Blohm Gmbh Extension apparatus, especially for osteotomic surgery
US4615338A (en) * 1985-09-18 1986-10-07 Kurgansky Nauchno-Issledovatelsky Institut Experimentalnoi I Klinicheskoi Ortopedii I Travmatologii Automatic compression-distraction apparatus
US5364396A (en) * 1993-03-29 1994-11-15 Robinson Randolph C Distraction method and apparatus
FR2726460A1 (en) * 1994-11-04 1996-05-10 Medinov Sa Medical prosthesis for insertion into leg bone to extend length
US5626579A (en) * 1993-02-12 1997-05-06 The Cleveland Clinic Foundation Bone transport and lengthening system
US5700263A (en) * 1996-06-17 1997-12-23 Schendel; Stephen A. Bone distraction apparatus
US5704939A (en) * 1996-04-09 1998-01-06 Justin; Daniel F. Intramedullary skeletal distractor and method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976060A (en) * 1974-04-09 1976-08-24 Messerschmitt-Bolkow-Blohm Gmbh Extension apparatus, especially for osteotomic surgery
US4615338A (en) * 1985-09-18 1986-10-07 Kurgansky Nauchno-Issledovatelsky Institut Experimentalnoi I Klinicheskoi Ortopedii I Travmatologii Automatic compression-distraction apparatus
US5626579A (en) * 1993-02-12 1997-05-06 The Cleveland Clinic Foundation Bone transport and lengthening system
US5364396A (en) * 1993-03-29 1994-11-15 Robinson Randolph C Distraction method and apparatus
FR2726460A1 (en) * 1994-11-04 1996-05-10 Medinov Sa Medical prosthesis for insertion into leg bone to extend length
US5704939A (en) * 1996-04-09 1998-01-06 Justin; Daniel F. Intramedullary skeletal distractor and method
US5700263A (en) * 1996-06-17 1997-12-23 Schendel; Stephen A. Bone distraction apparatus

Cited By (132)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000033751A1 (en) * 1998-12-04 2000-06-15 Wittenstein Gmbh & Co Kg Distraction assembly
US6565576B1 (en) * 1998-12-04 2003-05-20 Wittenstein Gmbh & Co. Kg Distraction assembly
EP3061416A1 (en) * 2000-04-13 2016-08-31 University College London Surgical distraction device
US6849076B2 (en) 2000-04-13 2005-02-01 University College London Surgical distraction device
KR100854865B1 (en) * 2000-04-13 2008-08-28 유니버시티 칼리지 런던 Surgical distraction device
WO2001078614A1 (en) * 2000-04-13 2001-10-25 University College London Surgical distraction device
AU2001246730B2 (en) * 2000-04-13 2005-11-10 University College London Surgical distraction device
WO2002071962A1 (en) * 2001-03-13 2002-09-19 Soubeiran Arnaud Andre Device for moving one bone portion in relation to another in one direction along a given axis
FR2822050A1 (en) * 2001-03-13 2002-09-20 Arnaud Andre Soubeiran DEVICE FOR MOVING IN A SENSE ON A DIRECTION DELTA A PORTION OF BONE IN RELATION TO ANOTHER
WO2002094113A1 (en) * 2001-05-23 2002-11-28 Orthogon Technologies 2003 Ltd. Magnetically-actuable intramedullary device
US7135022B2 (en) 2001-05-23 2006-11-14 Orthogon 2003 Ltd. Magnetically-actuable intramedullary device
US11712268B2 (en) 2004-07-02 2023-08-01 Nuvasive Specialized Orthopedics, Inc. Expandable rod system to treat scoliosis and method of using the same
US9398925B2 (en) 2004-07-02 2016-07-26 Nuvasive Specialized Orthopedics, Inc. Expandable rod system to treat scoliosis and method of using the same
US8852236B2 (en) 2004-07-02 2014-10-07 Ellipse Technologies, Inc. Expandable rod system to treat scoliosis and method of using the same
US10016221B2 (en) 2004-07-02 2018-07-10 Nuvasive Specialized Orthopedics, Inc. Expandable rod system to treat scoliosis and method of using the same
US7955357B2 (en) 2004-07-02 2011-06-07 Ellipse Technologies, Inc. Expandable rod system to treat scoliosis and method of using the same
US8343192B2 (en) 2004-07-02 2013-01-01 Ellipse Technologies, Inc. Expandable rod system to treat scoliosis and method of using the same
US9011499B1 (en) 2004-07-02 2015-04-21 Ellipse Technologies, Inc Expandable rod system to treat scoliosis and method of using the same
EP1788961A2 (en) * 2004-08-24 2007-05-30 Walter Lorenz Surgical, Inc. Bone distractor with ratchet mechanism
EP1788961A4 (en) * 2004-08-24 2009-06-10 Walter Lorenz Surgical Inc Bone distractor with ratchet mechanism
US10105130B2 (en) 2006-04-06 2018-10-23 DePuy Synthes Products, Inc. Remotely adjustable tissue displacement device
WO2007118179A3 (en) * 2006-04-06 2008-03-20 Synthes Usa Remotely adjustable tissue displacement device
CN101466321A (en) * 2006-04-06 2009-06-24 新特斯有限责任公司 Remotely adjustable tissue displacement device
US8016837B2 (en) 2006-04-06 2011-09-13 Synthes Usa, Llc Remotely adjustable tissue displacement device
EP2997916A1 (en) * 2006-04-06 2016-03-23 Synthes GmbH Remotely adjustable tissue displacement device
WO2007118179A2 (en) * 2006-04-06 2007-10-18 Synthes (U.S.A.) Remotely adjustable tissue displacement device
US8894663B2 (en) 2006-04-06 2014-11-25 DePuy Synthes Products, LLC Remotely adjustable tissue displacement device
CN101466321B (en) * 2006-04-06 2013-08-14 新特斯有限责任公司 Remotely adjustable tissue displacement device
US9259243B2 (en) 2006-04-06 2016-02-16 DePuy Synthes Products, Inc. Remotely adjustable tissue displacement device
US8298240B2 (en) 2006-04-06 2012-10-30 Synthes (Usa) Remotely adjustable tissue displacement device
KR101142091B1 (en) 2006-06-13 2012-05-03 아르노 쑤베랑 Device for intrabody extension with screws working in traction
WO2007144489A3 (en) * 2006-06-13 2008-05-29 Arnaud Soubeiran Device for intrabody extension with screws working in traction
AU2007259118B2 (en) * 2006-06-13 2012-07-05 Arnaud Soubeiran Device for intrabody extension with screws working in traction
US8137349B2 (en) 2006-06-13 2012-03-20 Arnaud Soubeiran Intrabody distraction device with a screw working in traction
FR2901991A1 (en) * 2006-06-13 2007-12-14 Arnaud Andre Soubeiran INTRACORPOREAL LENGTH DEVICE WITH TENSIONED SCREW
CN101500501B (en) * 2006-06-13 2010-12-29 阿诺·苏贝朗 Device for intrabody extension with screws working in traction
WO2007144489A2 (en) * 2006-06-13 2007-12-21 Arnaud Soubeiran Device for intrabody extension with screws working in traction
WO2008040880A2 (en) * 2006-10-03 2008-04-10 Arnaud Soubeiran Intracorporeal elongation device with a permanent magnet
WO2008040880A3 (en) * 2006-10-03 2008-05-22 Arnaud Soubeiran Intracorporeal elongation device with a permanent magnet
US8632548B2 (en) 2006-10-03 2014-01-21 Arnaud Soubeiran Intracorporeal elongation device with a permanent magnet
FR2906453A1 (en) * 2006-10-03 2008-04-04 Arnaud Andre Soubeiran Intra body e.g. bone, extending device e.g. oesto implant, for use by surgeon, has connection unit for connecting between permanent magnet and part, and screw and thread rotating output shaft to drive movement of another part
US11672684B2 (en) 2006-10-20 2023-06-13 Nuvasive Specialized Orthopedics, Inc. Adjustable implant and method of use
US9526650B2 (en) 2006-10-20 2016-12-27 Nuvasive Specialized Orthopedics, Inc. Adjustable implant and method of use
US8715159B2 (en) 2006-10-20 2014-05-06 Ellipse Technologies, Inc. Adjustable implant and method of use
US10039661B2 (en) 2006-10-20 2018-08-07 Nuvasive Specialized Orthopedics, Inc. Adjustable implant and method of use
US11234849B2 (en) 2006-10-20 2022-02-01 Nuvasive Specialized Orthopedics, Inc. Adjustable implant and method of use
US9271857B2 (en) 2006-10-20 2016-03-01 Ellipse Technologies, Inc. Adjustable implant and method of use
US8419734B2 (en) 2007-10-30 2013-04-16 Ellipse Technologies, Inc. Skeletal manipulation method
US10349995B2 (en) 2007-10-30 2019-07-16 Nuvasive Specialized Orthopedics, Inc. Skeletal manipulation method
US11172972B2 (en) 2007-10-30 2021-11-16 Nuvasive Specialized Orthopedics, Inc. Skeletal manipulation method
US9271781B2 (en) 2007-10-30 2016-03-01 Ellipse Technologies, Inc. Skeletal manipulation method
US9179960B2 (en) 2007-10-30 2015-11-10 Ellipse Technologies, Inc. Skeletal manipulation method
US11871974B2 (en) 2007-10-30 2024-01-16 Nuvasive Specialized Orthopedics, Inc. Skeletal manipulation method
US8057472B2 (en) 2007-10-30 2011-11-15 Ellipse Technologies, Inc. Skeletal manipulation method
US9693813B2 (en) 2007-10-30 2017-07-04 Nuvasive Specialized Orthopedics, Inc. Skeletal manipulation method
US10076413B2 (en) 2008-03-25 2018-09-18 Nuvasive Specialized Orthopedics, Inc. Adjustable implant system
US9198755B2 (en) 2008-03-25 2015-12-01 Ellipse Technologies, Inc. Adjustable implant system
US11241257B2 (en) 2008-10-13 2022-02-08 Nuvasive Specialized Orthopedics, Inc. Spinal distraction system
US11925389B2 (en) 2008-10-13 2024-03-12 Nuvasive Specialized Orthopedics, Inc. Spinal distraction system
US10729470B2 (en) 2008-11-10 2020-08-04 Nuvasive Specialized Orthopedics, Inc. External adjustment device for distraction device
US8382756B2 (en) 2008-11-10 2013-02-26 Ellipse Technologies, Inc. External adjustment device for distraction device
US8197490B2 (en) 2009-02-23 2012-06-12 Ellipse Technologies, Inc. Non-invasive adjustable distraction system
US9848914B2 (en) 2009-02-23 2017-12-26 Nuvasive Specialized Orthopedics, Inc. Non-invasive adjustable distraction system
US11304729B2 (en) 2009-02-23 2022-04-19 Nuvasive Specialized Orthhopedics, Inc. Non-invasive adjustable distraction system
US8974463B2 (en) 2009-02-23 2015-03-10 Ellipse Technologies, Inc. Non-invasive adjustable distraction system
US11918254B2 (en) 2009-02-23 2024-03-05 Nuvasive Specialized Orthopedics Inc. Adjustable implant system
US10517643B2 (en) 2009-02-23 2019-12-31 Nuvasive Specialized Orthopedics, Inc. Non-invasive adjustable distraction system
US11602380B2 (en) 2009-04-29 2023-03-14 Nuvasive Specialized Orthopedics, Inc. Interspinous process device and method
US11207110B2 (en) 2009-09-04 2021-12-28 Nuvasive Specialized Orthopedics, Inc. Bone growth device and method
US11944358B2 (en) 2009-09-04 2024-04-02 Nuvasive Specialized Orthopedics, Inc. Bone growth device and method
US8449543B2 (en) 2009-09-04 2013-05-28 Ellipse Technologies, Inc. Bone growth device and method
US9113967B2 (en) 2009-09-09 2015-08-25 Arnaud Soubeiran Intracorporeal device for moving tissue
US10548638B2 (en) 2009-12-01 2020-02-04 DePuy Synthes Products, Inc. Non-fusion scoliosis expandable spinal rod
US9282997B2 (en) 2009-12-01 2016-03-15 DePuy Synthes Products, Inc. Non-fusion scoliosis expandable spinal rod
US8568457B2 (en) 2009-12-01 2013-10-29 DePuy Synthes Products, LLC Non-fusion scoliosis expandable spinal rod
US10660675B2 (en) 2010-06-30 2020-05-26 Nuvasive Specialized Orthopedics, Inc. External adjustment device for distraction device
US11497530B2 (en) 2010-06-30 2022-11-15 Nuvasive Specialized Orthopedics, Inc. External adjustment device for distraction device
US9248043B2 (en) 2010-06-30 2016-02-02 Ellipse Technologies, Inc. External adjustment device for distraction device
US10405891B2 (en) 2010-08-09 2019-09-10 Nuvasive Specialized Orthopedics, Inc. Maintenance feature in magnetic implant
US11660124B2 (en) 2010-11-22 2023-05-30 DePuy Synthes Products, Inc. Non-fusion scoliosis expandable spinal rod
US8961567B2 (en) 2010-11-22 2015-02-24 DePuy Synthes Products, LLC Non-fusion scoliosis expandable spinal rod
US9861390B2 (en) 2010-11-22 2018-01-09 DePuy Synthes Products, Inc. Non-fusion scoliosis expandable spinal rod
US10507042B2 (en) 2010-11-22 2019-12-17 DePuy Synthes Products, Inc. Non-fusion scoliosis expandable spinal rod
US9393117B2 (en) 2011-02-14 2016-07-19 Nuvasive Specialized Orthopedics, Inc. System and method for altering rotational alignment of bone sections
US10646262B2 (en) 2011-02-14 2020-05-12 Nuvasive Specialized Orthopedics, Inc. System and method for altering rotational alignment of bone sections
US8715282B2 (en) 2011-02-14 2014-05-06 Ellipse Technologies, Inc. System and method for altering rotational alignment of bone sections
US10105167B2 (en) 2011-02-14 2018-10-23 Nuvasive Specialized Orthopedics, Inc. System and method for altering rotational alignment of bone sections
US11406432B2 (en) 2011-02-14 2022-08-09 Nuvasive Specialized Orthopedics, Inc. System and method for altering rotational alignment of bone sections
US9393119B2 (en) 2011-02-14 2016-07-19 Nuvasive Specialized Orthopedics, Inc. Variable length device and method
US8852187B2 (en) 2011-02-14 2014-10-07 Ellipse Technologies, Inc. Variable length device and method
US10743794B2 (en) 2011-10-04 2020-08-18 Nuvasive Specialized Orthopedics, Inc. Devices and methods for non-invasive implant length sensing
US11445939B2 (en) 2011-10-04 2022-09-20 Nuvasive Specialized Orthopedics, Inc. Devices and methods for non-invasive implant length sensing
US11123107B2 (en) 2011-11-01 2021-09-21 Nuvasive Specialized Orthopedics, Inc. Adjustable magnetic devices and methods of using same
US11918255B2 (en) 2011-11-01 2024-03-05 Nuvasive Specialized Orthopedics Inc. Adjustable magnetic devices and methods of using same
US10349982B2 (en) 2011-11-01 2019-07-16 Nuvasive Specialized Orthopedics, Inc. Adjustable magnetic devices and methods of using same
USRE49061E1 (en) 2012-10-18 2022-05-10 Nuvasive Specialized Orthopedics, Inc. Intramedullary implants for replacing lost bone
USRE49720E1 (en) 2012-10-18 2023-11-07 Nuvasive Specialized Orthopedics, Inc. Intramedullary implants for replacing lost bone
US11871971B2 (en) 2012-10-29 2024-01-16 Nuvasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
US10130405B2 (en) 2012-10-29 2018-11-20 Nuvasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
US11191579B2 (en) 2012-10-29 2021-12-07 Nuvasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
US11213330B2 (en) 2012-10-29 2022-01-04 Nuvasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
US11857226B2 (en) 2013-03-08 2024-01-02 Nuvasive Specialized Orthopedics Systems and methods for ultrasonic detection of device distraction
US11766252B2 (en) 2013-07-31 2023-09-26 Nuvasive Specialized Orthopedics, Inc. Noninvasively adjustable suture anchors
US11696836B2 (en) 2013-08-09 2023-07-11 Nuvasive, Inc. Lordotic expandable interbody implant
US11576702B2 (en) 2013-10-10 2023-02-14 Nuvasive Specialized Orthopedics, Inc. Adjustable spinal implant
US10751094B2 (en) 2013-10-10 2020-08-25 Nuvasive Specialized Orthopedics, Inc. Adjustable spinal implant
US11246694B2 (en) 2014-04-28 2022-02-15 Nuvasive Specialized Orthopedics, Inc. System for informational magnetic feedback in adjustable implants
US11357547B2 (en) 2014-10-23 2022-06-14 Nuvasive Specialized Orthopedics Inc. Remotely adjustable interactive bone reshaping implant
US11439449B2 (en) 2014-12-26 2022-09-13 Nuvasive Specialized Orthopedics, Inc. Systems and methods for distraction
US11890043B2 (en) 2014-12-26 2024-02-06 Nuvasive Specialized Orthopedics, Inc. Systems and methods for distraction
US10271885B2 (en) 2014-12-26 2019-04-30 Nuvasive Specialized Orthopedics, Inc. Systems and methods for distraction
US11963705B2 (en) 2014-12-26 2024-04-23 Nuvasive Specialized Orthopedics, Inc. Systems and methods for distraction
US11612416B2 (en) 2015-02-19 2023-03-28 Nuvasive Specialized Orthopedics, Inc. Systems and methods for vertebral adjustment
US10238427B2 (en) 2015-02-19 2019-03-26 Nuvasive Specialized Orthopedics, Inc. Systems and methods for vertebral adjustment
US11596456B2 (en) 2015-10-16 2023-03-07 Nuvasive Specialized Orthopedics, Inc. Adjustable devices for treating arthritis of the knee
JP2019500187A (en) * 2015-12-09 2019-01-10 エコール・ナシオナル・スーペリウール・ドゥ・テクニック・アヴァンセ Plate distraction device and assembly of such plate distraction device and actuation tool
WO2017097998A1 (en) * 2015-12-09 2017-06-15 Ecole Nationale Supérieure De Techniques Avancées Plate distractor and assembly of such a plate distractor and an activation tool
FR3044888A1 (en) * 2015-12-09 2017-06-16 Ecole Nat Superieure De Techniques Avancees PLATE DISTRACTOR AND ASSEMBLY OF SUCH A PLATE DISTRACTOR AND AN ACTIVATION TOOL
AU2016367311B2 (en) * 2015-12-09 2020-12-10 Assistance Publique - Hôpitaux De Paris Plate distractor and assembly of such a plate distractor and an activation tool
US10736664B2 (en) 2015-12-09 2020-08-11 Ecole Nationale Superieure De Techniques Avancees Plate distractor and assembly of such a plate distractor and an activation tool
US10835290B2 (en) 2015-12-10 2020-11-17 Nuvasive Specialized Orthopedics, Inc. External adjustment device for distraction device
US11504162B2 (en) 2015-12-10 2022-11-22 Nuvasive Specialized Orthopedics, Inc. External adjustment device for distraction device
US10918425B2 (en) 2016-01-28 2021-02-16 Nuvasive Specialized Orthopedics, Inc. System and methods for bone transport
US11801187B2 (en) 2016-02-10 2023-10-31 Nuvasive Specialized Orthopedics, Inc. Systems and methods for controlling multiple surgical variables
WO2018100221A1 (en) * 2016-11-29 2018-06-07 Fundación Para La Investigación Biomedica Del Hospital Universitario De La Princesa Mandibular distractor
ES2670449A1 (en) * 2016-11-29 2018-05-30 Fundacion Para La Investigacion Biomedica Del Hospital Universitario De La Princesa MANDIBULAR DISTRACTOR (Machine-translation by Google Translate, not legally binding)
CN108670386A (en) * 2018-06-11 2018-10-19 中国人民解放军第四军医大学 A kind of built-in electromagnetic remote control jawbone distraction osteogenesis stretch device
US11577097B2 (en) 2019-02-07 2023-02-14 Nuvasive Specialized Orthopedics, Inc. Ultrasonic communication in medical devices
US11589901B2 (en) 2019-02-08 2023-02-28 Nuvasive Specialized Orthopedics, Inc. External adjustment device
US11944359B2 (en) 2021-02-23 2024-04-02 Nuvasive Specialized Orthopedics, Inc. Adjustable implant, system and methods
US11806054B2 (en) 2021-02-23 2023-11-07 Nuvasive Specialized Orthopedics, Inc. Adjustable implant, system and methods
US11737787B1 (en) 2021-05-27 2023-08-29 Nuvasive, Inc. Bone elongating devices and methods of use

Also Published As

Publication number Publication date
GB9806999D0 (en) 1998-06-03
AU3429499A (en) 1999-10-25

Similar Documents

Publication Publication Date Title
WO1999051160A1 (en) Distraction device
USRE49720E1 (en) Intramedullary implants for replacing lost bone
CN109069190B (en) Plate retractor and assembly of such a plate retractor and an activation tool
US5879157A (en) Herbst mechanism
US9615897B2 (en) Self-ligating orthodontic bracket
DE69021428T2 (en) Spinal implant for osteosis synthesis device.
EP0746283A1 (en) Distraction method and apparatus
EP2305153A3 (en) Spinal stabilization implant
EP2034914A1 (en) Distraction device
WO2004075778A3 (en) Adjustable rod and connector device and method of use
EP2735280B1 (en) Dental prosthesis system
ATE199056T1 (en) TOOTH REGULATING BRACE
NZ513646A (en) External fixation device for bone
EP0619725A1 (en) Spinal hook
WO2006030476A1 (en) Orthodontic bracket having friction control means
AU2014200217B2 (en) Retaining mechanism, implant, and tool
US20120316561A1 (en) Customized intraoral jaw distractor and use of such a distractor in order to obtain almost continuous distraction
US20230248403A1 (en) Extramedullary device and system
DE19538323A1 (en) Traction device for correction of an upper jaw
DE102015103184A1 (en) Device for distraction or stretching of bone segments and set for distraction
US20100087825A1 (en) Advanced Intra-spinal Decompression Implant
US9289273B2 (en) Method and system for bodily translating a tooth with a wide and adjustable width brackets
US4203216A (en) Magnetic prosthetic element
CN108652793A (en) Band hook-type Invasive lumbar fusion device
DE102018004714A1 (en) Dental instrument for removing fractured root canal instruments

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU CA JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI 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