WO1996034585A1 - Systeme de repositionnement et de fixation de fracture - Google Patents

Systeme de repositionnement et de fixation de fracture Download PDF

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Publication number
WO1996034585A1
WO1996034585A1 PCT/CN1996/000006 CN9600006W WO9634585A1 WO 1996034585 A1 WO1996034585 A1 WO 1996034585A1 CN 9600006 W CN9600006 W CN 9600006W WO 9634585 A1 WO9634585 A1 WO 9634585A1
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WO
WIPO (PCT)
Prior art keywords
bone
axis
ring
needle
broken
Prior art date
Application number
PCT/CN1996/000006
Other languages
English (en)
Chinese (zh)
Inventor
Fugang Tang
Zhanguo Liu
Original Assignee
Fugang Tang
Zhanguo Liu
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 Fugang Tang, Zhanguo Liu filed Critical Fugang Tang
Priority to AU45336/96A priority Critical patent/AU4533696A/en
Publication of WO1996034585A1 publication Critical patent/WO1996034585A1/fr

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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
    • A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
    • 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

Definitions

  • the present invention relates to a surgical instrument, and it relates to a system for prolonging, repairing and fixing broken bones for treating fractures. Background technique
  • Recent post-operative internal fixation (AO) treatments have a large bonding area at the fracture site and good fixation. However, it requires a high level of surgery, destroys blood circulation, and is prone to infection. In addition, it requires secondary surgery, increasing the patient's pain and financial burden.
  • the bone needle is fixed to the osteotomy ring through the ears fixed on the osteotomy ring. Therefore, the angle formed by the osteotome and the axis of the broken bone cannot be adjusted, which is inconvenient to restore the joint of broken bone.
  • the internal gear set provided on the tension ring of the osteosynthesis device significantly reduces the size of the limb that can pass through the inner diameter of the tension ring, making the contour size and weight of this osteosynthesis relatively large.
  • the purpose of the present invention is to eliminate the shortcomings of the osteosynthesis fixator of the utility model patent No. ZL 93248095. 0, and to substantially improve it based on the structure and technical content of the utility model patent ZL93248095. 0, Provide a more advanced and more complete broken bone extension and restoration system.
  • An object of the present invention is to provide a broken bone extension and restoration system, which can be used not only for restoration or extension when there is a fracture in one bone, but also for two fractures in one bone. And / or extension; and, when the fractured bones are aligned, in addition to being able to make the fractured bones along the longitudinal axis of the restoration fixer and perpendicular or at an angle to the longitudinal axis
  • the broken bone can also be rotated around the longitudinal axis and a certain axis perpendicular to the longitudinal axis, so that the broken bone can be aligned more quickly and accurately.
  • Another object of the present invention is to increase the number of bone needles that pass through the broken bone after the broken bone is reset, so that each bone needle can form a certain angle with each other, so that the broken bone can be fixed more stably and more reliable.
  • Another object of the present invention is to provide a broken bone extension and restoration fixation system capable of measuring and displaying the contact stress between broken bones, in order to determine scientific research work and perform operations for determining the optimal contact stress during bone connection. Provide scientific data.
  • Still another object of the present invention is to improve the transmission structure and drive method of the existing osteosynthesis device, so as to reduce the weight added to the patient's limb, and to expand the application range of the restoration device with the same contour size.
  • Yet another object of the present invention is to provide a positioning ruler for displacement or rotation for the operation of bone fracture restoration, so that the operation is more convenient and accurate.
  • the present invention provides such a fractured bone extension and restoration system, which is composed of a fractured bone extension and restoration fixer, an electric driving component, and a control device thereof;
  • the above-mentioned broken bone extension and restoration fixer includes: a frame for installing various components and machines, the frame is composed of three hollow rings (first ring, second ring, third ring) spaced apart from each other and It consists of four threaded struts connecting these three rings; it passes through the broken bone and is installed on the first ring, which can make the broken bone passed through rotate around the longitudinal axis (X axis) of the fixture, and A first adjusting bone needle rotating around an axis perpendicular to the longitudinal axis; a mechanism for holding and driving the first bone needle rotating around an axis perpendicular to the X axis, and driving the first bone A mechanism for the needle to rotate around the X axis; it passes through another truncated bone and is mounted on the second ring, so that the broken bone can be moved along the longitudinal axis (X axis) of the fixture and is perpendicular to the X axis A second adjusting bone needle rotating on one axis; clamping
  • the electric drive assembly includes a plurality of motors and a transmission mechanism for driving each of the clamping and driving mechanisms for moving or rotating the first and second bone needles.
  • the control device includes circuits for controlling the movement of the electric drive components, and a remote control controller.
  • a third adjusting bone needle that can be moved along the X axis of the fixture can be mounted on the third ring.
  • the three adjustment bone pins work together to reset all the broken bones on the two fractures at the same time.
  • one fracture is reset and bone extension surgery is performed on the other fracture.
  • the above-mentioned mechanism for holding and driving the first adjusting bone needle to rotate around an axis perpendicular to the X axis, and the machine for driving the first bone needle to rotate around the X axis includes: a worm gear installed inside the first split hollow ring and capable of rotating relative to the first ring, and a worm driving the pot wheel; A bone needle adjusting frame; the bone needle adjusting frame has a universal ball holding a bone needle, the universal ball is mounted on a bone needle moving frame, and the bone needle moving frame can be parallel to an X axis of the fixer The screw is reciprocated, and the screw is driven by a pair of worm gears.
  • the bone needle adjusting frame that is, the first adjusting bone needle is rotated about the X axis of the holder, and when the bone needle moving frame is facing two phases along the X axis
  • the universal ball can rotate on the bone needle moving frame, so that the bone needle can be rotated around an axis perpendicular to the X axis.
  • the mechanism for holding and driving the second adjusting bone needle along the X axis, and the machine for driving the second bone needle to rotate about an axis perpendicular to the X axis of the holder includes: a worm wheel installed inside the second-type split ring and capable of rotating relative to the second ring and a worm driving the scorpion wheel; an external tooth group fixed on the worm wheel and rotating together, and installed in the hollow ring , Having four screw gears that are engaged with the threads on the four pillars and meshing with the external tooth group; two bone needle adjusting brackets installed on opposite sides of the outer end surface of the second ring; the bone needle Knotting
  • the structure and function are exactly the same as those of the bone needle adjusting frame of the first adjusting bone needle.
  • An axis perpendicular to the X axis is rotated in the same manner as the first adjusting bone needle.
  • the third adjusting bone needle installed on the third ring and capable of moving along the X axis of the fixer is fixed on the outer end surface of the third ring by a pipe clamp fixer,
  • the mechanism that drives the third bone needle to move along the X axis is the same as the mechanism that drives the second bone needle to move along the X axis.
  • a plurality of additional bone needle holders can be added to the post and ring of the fixer of the present invention, and each additional bone needle holder can be clamped. Hold an additional bone needle.
  • a strain gauge force sensing head for detecting the contact stress between broken bones is installed on each of the above-mentioned bone needle adjustment brackets, and there is also a signal for transmitting detection signals. Circuits that perform amplification, voltage stabilization, frequency conversion, and so on, and displays that display test results.
  • a flexible shaft can be used to connect the electric drive assembly that drives each machine to move or rotate with each machine.
  • the electric drive assembly can be transferred from the holder to another bracket, thereby greatly reducing the heavy burden on the patient's limb.
  • the present invention changes the internal gear that drives the movement and rotation of the bone needle to an external gear, thereby increasing the size of the hole that allows limbs to pass, and reducing the overall weight of the three rings.
  • the components of the mechanical part of the holder are made of light alloy (such as aluminum alloy) or engineering plastic.
  • an adjustable magnetic therapy device using a permanent magnet can be installed on the post of the fixator after the reduction.
  • a bone needle shifter that moves the bone needle along the axis perpendicular or angled to the X-axis can be added to the pillar of the fixer to work in cooperation Cantilever shifter.
  • FIG. 1 is a schematic structural diagram of an embodiment of a broken bone extension and restoration fixation system according to the present invention
  • FIG. 2 is a partially cutaway schematic view of a first ring member of the restoration fixture in an embodiment of the present invention
  • FIG. 3 is a cross-sectional view taken along the line A--A in FIG. 2;
  • FIG. 4 is a partial enlarged view of a view in the direction of arrow A in FIG. 2;
  • FIG. 5 is an enlarged partial cross-sectional view taken along the line F-F in FIG. 2;
  • FIG. 6 is a schematic diagram of the installation and structure of a bone needle adjusting bracket with a bone needle on the worm wheel of the first ring member in FIG. 2;
  • FIG. 7 is a sectional view taken along line B-B in FIG. 6;
  • FIG. 8 is a partially cutaway structural schematic view of a third ring member of the restoring fixture in an embodiment of the present invention.
  • FIG. 9 is a sectional view taken along line C-C in FIG. 8;
  • FIG. 10 is a partially enlarged cross-sectional view taken along line D-D in FIG. 8;
  • FIG. 11 is a schematic structural diagram of a second ring member of the restoration fixer with a bone needle adjusting bracket installed in the embodiment of the present invention.
  • FIG. 12 is a sectional view taken along line E-E in FIG. 11;
  • FIG. 13 is a schematic structural diagram of an additional bone needle fixator of the complex fixator according to an embodiment of the present invention.
  • FIG. 14 is a view in the direction of arrow B in FIG. 13;
  • FIG. 15 is a cross-sectional view showing a structure of a bone needle adjusting bracket of the restoration fixer according to an embodiment of the present invention.
  • FIG. 16 is a partially cutaway C view in FIG. 15;
  • FIG. 17 is a schematic diagram showing a structure of a shifter of a restoration fixer according to an embodiment of the present invention.
  • FIG. 18 shows a pendant attachment of a restoration fixture in an embodiment of the present invention. ⁇ Structure diagram
  • ⁇ 19 is a schematic structural diagram of an electric driving component of the integral fixation fixture in an embodiment of the present invention.
  • FIG. 20 is a schematic diagram of a flexible shaft used to connect each of the driven mechanisms in the electric drive assembly and the fixation fixture;
  • FIG. 21 is a schematic structural diagram of an adjustable magnetic therapy device attached to a whole fixation device according to an embodiment of the present invention.
  • FIG. 22 is a schematic circuit diagram of a strain gauge load cell attached to a bone needle adjusting frame according to an embodiment of the present invention
  • Fig. 23 is a control circuit diagram of a control device in an embodiment of the present invention. Best Mode of the Invention
  • the broken bone extension and restoration system of the present invention is composed of the broken bone extension and restoration fixation 1, an electric drive assembly 17, and a control device.
  • the control device in FIG. 1 only shows a push-button remote control 20.
  • the holder 1 includes a squirrel-cage frame composed of a first ring 2, a second ring 9, a third ring 6, and four pillars 8.
  • the four pillars 8 are threaded except for the left section.
  • the other parts of the holder 1 are mounted on this frame.
  • FIGS. 2, 3, 4 and 5 These four diagrams schematically describe the structure of the first ring 2 and the structure and installation of the components mounted on the first ring 2. It is seen from FIG. 2 and FIG. 4, a first combination of a first ring 2 on a first half and a lower half 201 ring 202 from ring. After assembling the various parts in the first ring, the projections 203 in the circumferential direction on both sides of the first upper half ring 201 are inserted into the grooves of the first lower half ring 202, and then, using the tight-fitting fixing pins The shaft 25 holds the upper and lower half rings. It can be seen from FIGS.
  • the cavity of the first ring 2 contains a worm wheel 4 composed of an upper half worm wheel 401 and a lower half worm wheel 40 2 , and the worm wheel 4 can use a worm installed in the first upper half ring 201.
  • Worm gear 4 by means of Stepped surfaces 403 on both sides are positioned inside the first ring 2.
  • screw holes 404 symmetrical to the axis.
  • the screw holes 404 are used to install the bone needle adjusting frame 18 (see Figs. 6 and 7) so that when the pot wheel 4 rotates, A bone needle adjusting frame 18 equipped with a first adjusting bone needle 271 (see FIG. 1) is rotated around the axis (ie, the X axis) of the worm wheel.
  • the structure of the bone needle adjusting frame 18 is shown in FIGS. 15 and 16.
  • the bone needle 271 passes through the center hole of the universal ball 1805.
  • the universal ball 1805 is installed between the bone needle moving frame 1804 and the lower cover 1808, and can rotate a certain angle in any direction.
  • the lower cover 1808 is connected to one end of the bone needle moving frame 1804 with two pins 180 9 so that the universal ball 1805 can be attached and detached.
  • the other end of the bone needle moving frame 1804 has a screw hole engaged with the screw 1803.
  • the worm 1801 installed in the cover 1810 When the worm 1801 installed in the cover 1810 is driven, the worm 1801 rotates the pot wheel 1802 and the screw 1803 fixed on the worm wheel 1802, thereby driving The bone needle moving frame 1804 moves the bone needle 271 along the axis of the screw 1803. As can be seen from FIGS. 1, 6, 7 and 15, the axis of the screw 1803 is parallel to the X-axis of the holder 1.
  • the universal ball through which the bone needle passes can be rotated, so
  • the whole bone needle can be rotated about an axis perpendicular to the X axis, and the axis can be any axis that intersects the X axis in a plane perpendicular to the X axis, because, as described above,
  • the worm wheel 4 rotates, it carries a bone needle adjusting frame 18—rotating around the X axis.
  • a strain gauge force transmitting head 1806 is installed on one side of the bone needle moving frame 1804.
  • the above-mentioned transmission head 1806 can input the signal of the resistance to the display through amplification, frequency conversion and digital display circuits, etc. The contact stress of the broken bone is shown.
  • the above-mentioned circuit from the strain-type load cell 1806 to the display is shown in FIG. 22.
  • the circuit is composed of a sensor head, a constant current source, a temperature compensation circuit, an amplifier circuit, a voltage conversion circuit, and a digital display circuit in sequence.
  • the stress signal is also sequentially transmitted to the digital display circuit from front to back.
  • IC], C, and C 2 provide regulated power; Forms a constant current source, supplies a constant current source to the sensor head, and forms a temperature-compensated voltage with D2, R14, D3, etc. Circuit to improve the stability of the power supply; IC3JC4 and R4, R8, R6, R9, W1, W2, etc.
  • the amplified signal is composed of IC5, IC6, R11, R7, R12, R13, C3 and other components constitute a frequency conversion circuit for frequency conversion.
  • the frequency converted signal is input to the display and the current stress value is displayed digitally.
  • FIG. 8, FIG. 9, and FIG. 10 show the structure and assembly of the third ring 6 and the components mounted on the third ring 6.
  • 601 is the third upper half ring
  • 602 is the third lower half ring.
  • These two half rings are also the same as the first ring.
  • the upper and lower half rings are fixed, and the four pillars 8 pass through the third ring 6.
  • a compound wheel 12 composed of a compound upper half wheel 1201 and a compound lower half wheel 1 2 0 2 is contained in the third ring 6, which can rotate in the third ring.
  • a worm wheel group and a gear ring are formed on the outer circumference of the composite wheel 12 respectively, and a stepped surface enables the composite wheel to be positioned in the third ring 6.
  • the worm 3 above FIG. 8 meshes with the worm wheel, and the four pinion gears 15 mesh with the gear.
  • the center of the four pinion gears 15 has screw holes that engage with the threads on the four pillars 8, and one end is provided with a snap ring 24 so that it cannot move relative to the third ring 6 in the axial direction. .
  • the gear drives the pinion to rotate
  • the four pinions can move back and forth on the pillar 8 with the third ring 6 by virtue of the function of the threaded transmission pair.
  • Many holes are formed on both sides of the third ring 28 by means of a bone needle holder Pipe Clamp ⁇ 10 (see FIG. 1) in accordance with a third adjustment need to install any angle 273 spicules. Therefore, the third bone needle can be moved along the X axis of the fixed bone with the broken bone.
  • FIGS. 11 and 12 These two figures schematically show the structure and the assembly relationship of the second ring 9 and the components mounted on the second ring 9. 6- and third ring-like, in the second ring 9 is also mounted a worm 3, I 2 composite wheel and pinion 15 and other parts, for simplicity, are not shown in FIG. 11 and 12 these parts. Therefore, the second ring 9 can also move along the X axis.
  • two bone needle adjusting frames 18 are mounted on the right side of the second ring 9, and the two adjusting frames hold a second adjusting bone needle 2 7 2.
  • the structure of the two bone needle adjustment brackets is also shown in Figs. Therefore, in addition to the second adjusting bone needle 272,
  • the screw holes 28 on both sides of the second ring 9 are used for the pipe clamp holder 10 Attach additional bone needles at any angle.
  • FIGs. 13 and 14 show the structure of the additional bone needle holder 5 in a schematic manner.
  • two ends of the main body 502 are fitted with a pin 505 with a pin 505, and then they are fixed together with a screw 50, and two holes 801 mating with the support 8 are formed at both ends.
  • the clamp 5 can be fixed on the two posts 8 of the fixture 1 with these two holes 801 (see Fig. 1).
  • in the middle of the main body 502 there is a long groove 506 whose axis is perpendicular to the axis of the hole 801.
  • the additional bone needle 27 can pass through the long groove, and then two additional screws 501 are used to attach the The bone needle 27 is fixed.
  • an additional bone needle 27 can be added with the clip 5 at different bone fracture sites as needed to improve the stability after the bone fracture is reduced.
  • Fig. 17 shows a structure of a displacement 11 for displacing a broken bone in the fixture 1 of this embodiment.
  • the structure of the main body 1102, the clasp 1104, and the stern shaft 1106 in the shifter 11 is basically the same as that of the additional bone needle holder 5, except that the central part of the main body 1102 does not have a long groove and a screw hole for screwing. Enter the shift lever 1101, and the main body 1102 is slightly arched, so that the shift lever 1101 has a large range of motion.
  • the displacer 11 is also mounted on the post 8 in the same manner as the additional bone pin holder 5 (see Figure 1).
  • a shifting block is conventionally mounted on the ball head at the lower end of the shifting rod 1101 to increase the contact area with the limb. In this way, by turning the displacement lever mounted on the main body 1102, the displacement block 1105 can be used to force the broken bone in the limb to move and reset.
  • Fig. 18 shows the results of another cantilever-type displacer 16 for displacing broken bones used in the fixture of the present embodiment.
  • the structure of the main body 1601 of the cantilever type shifter, the clasp 1603, and the like, and the way of mounting it on the pillar 8 are basically the same as those of the additional bone needle clamp 5.
  • the only difference is that a boss 1607 is formed in the center of the main body 1601, and a small arm 1604 is used to install a displacement arm 1605 on the boss.
  • FIG. 21 shows the structure of an adjustable magnetic therapy device 19 used in the holder 1 of this embodiment.
  • the structure of the main body of the magnetic therapy device 1901, the clasp 1907, and the mounting method on the pillar 8 are basically the same as those of the shifter 11.
  • the distance between the magnet 1904 and the limb can be adjusted.
  • the influence of the magnetic force of the magnet can promote blood circulation at the broken bone site and accelerate the healing of the broken bone.
  • FIG. 19 shows the structure of the electric drive unit 17 used in the holder 1 of the present embodiment.
  • the electric drive assembly I 7 is composed of a motor 1 7 01 and a reducer 1702.
  • a square hole 1704 is formed in the output shaft 1703 outside the extension cover 1705 of the speed reducer 1702 to be connected with various driven components (for example, worm 3, worm 1801, etc.) to drive each component.
  • all the electric drive components 17 can be removed from the holder, installed on other fixed facilities, and then a plurality of flexible shafts 29 are used to connect the electric drive component 17 and the components driven by it .
  • One end of the flexible shaft 29 has a square joint 291, which is connected to the square hole 1704 of the output shaft 1703, and the other end has a square hole 292, which is connected to the driven component.
  • all parts except electrical parts in this embodiment are made of high-strength Lu magnesium alloy.
  • a scale indicating the rotation angle of the bone needle can be processed on the left side of the first ring, and an indication can also be formed on the pillar 8. Scale of bone needle movement distance (not shown in Figure 1).
  • Fig. 23 is a circuit diagram showing a push-button remote control device for controlling the above-mentioned electric drive components.
  • the control circuit is composed of a power transformer, an AC / DC rectifier circuit, operation switches of each drive motor, and status indicators.
  • the power transformer and the AC-DC 220V mains rectifier circuit into a low voltage DC, the compact spike 7815, d, C 2 ?? like spike output voltage set at 15V DC power supply.
  • the switches, K 2 ??, Ai, A 2 ... are used to send voltages in different directions to the driving motors D !, D 2 ..., so that these motors can rotate forward or reverse or stop as required.
  • the fractured bone has only one fracture, generally only two rings are needed to restore the fractured bone. If there are two fractures, the bone needle held by the tube clamp bone needle holder on the third ring must be used. In addition, it is necessary to add a displacer at a position where it is necessary to displace the broken bone in a direction perpendicular to the X-axis direction of the pillar 8.
  • the electric drive components can be controlled by the control device, and the bone needles on the first ring can be rotated about the X axis by the rotation of the worm wheel, or by the first
  • the movement of the bone needle adjustment bracket on a ring causes the bone needle to rotate about an axis perpendicular to the X axis; by means of the rotation of the compound wheel in the second ring and the screw transmission pair between the pinion and the pillar, the second ring is turned on.
  • the bone needle is moved along the X axis; or the bone needle is rotated around an axis perpendicular to the X axis by the action of the bone needle adjustment bracket on the second ring.
  • the broken bone can be displaced in any direction on the three-dimensional coordinate, and at the same time, the broken bone can be rotated about the X axis and any axis perpendicular to the X axis.
  • a cantilever displacer can be set on the pillar first, and then the displacer can be used to displace the fractured bone.
  • the broken bone extension and reconstruction of the present invention is used.
  • the function of moving the broken bone along the X axis in the fixed system is particularly convenient and advantageous for bone extension surgery.
  • medical staff can use the key control board 20 in FIG. 1 to operate at a position far from the X-rays irradiating the broken bone site.
  • the movement of the bone needle can be controlled according to the contact stress measured by the force sensing head displayed on the display, so that the contact stress between the broken bones can be maintained at the optimal stress state.
  • a magnetic therapy device can be installed in some appropriate parts.
  • the above embodiment is only a preferential solution for implementing the present invention, and those skilled in the art can realize various features based on the various features and persuasion of the structure of the present invention and according to the specific situation of broken bones.
  • a combination scheme different from this embodiment For example, the third ring in the middle can be fixedly connected to the four pillars, and the first and second rings on both sides can be moved along the X axis; the second ring on the right can be fixedly connected to the four pillars, and Make the first and third rings move along the X axis; you can also install bone needle adjustment brackets on different rings as needed.
  • Industrial applicability do not depart from the inventive concept of the present invention and are included in the claims of the present application.
  • the broken bone extension and restoration fixation system of the present invention is based on China's ZL 93248095. 0 "osteosynthesis fixator" utility model patent.
  • the entire technical content of the utility model patent can be used as a reference for the present invention.
  • the present invention substantially improves the technical solution of the utility model, expands its application range, significantly improves its performance, and enables the operation of osteosynthesis to be performed more quickly and accurately, and Can make the healing time of broken bones shorter.
  • the system for prolonged, fractured, and fixed bone fractures of the present invention has the following advantages:
  • a ring is added to the fixer and has three rings, it can be used for both the restoration of fractures with only one fracture and the restoration of fractures with two fractures. In addition, one fracture can be repaired at the same time, and the other surgery can be extended.
  • the strain gauge force-conveying head is set on the bone needle adjusting frame, the contact stress between broken bones can be adjusted and controlled during the restoration process. In this way, the best stress that meets bone growth requirements can be determined through practical research, and the results of this research can be used to make the broken bone heal quickly.
  • a cantilever type shifter is provided, it can be used in combination with the shifter to easily reset the fractured bone near the bone joint, which solves the problem that the existing fixators cannot help.
  • the outer dimensions of the ring of the present invention are the same as those in the prior art.
  • the inner hole can be used for larger diameter limbs.
  • the two types of fixtures having the same inner hole of the ring are lighter.
  • the magnetic therapy device can be added after the broken bone is reset, which can promote the blood circulation of the limbs at the broken bone, thereby shortening the healing time.
  • fixer such as the displacer, additional bone clamp, cantilever displacer, and magnetic therapy device, which are connected and fixed to the pillar are simple to operate and convenient and reliable.

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  • Orthopedic Medicine & Surgery (AREA)
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Abstract

La présente invention concerne un système de repositionnement et de fixation de fractures, comprenant trois paires d'anneaux divisés en deux parties, quatre tiges filetées, un moyen de repositionnement-fixation constitué par les mécanismes de montage et d'entraînement de broches d'ancrage réglables de l'os, un montage à commande électrique pour permettre la rotation et le mouvement desdits mécanismes, et une commande pour réguler le mouvement dudit ensemble. Le système comprend en outre une attache par serrage supplémentaire pour les broches d'ancrage, des moyens de déport des points de fracture ou des moyens de type encastrés, des moyens de thérapie magnétique et un capteur ergonométrique du type à contrainte, etc., tous montés sur le moyen de repositionnement-fixation de manière à étendre les fonctions et les applications du système. Les avantages de l'invention sont les suivants: fonctionnement facile, dispositif sûr, repositionnement précis et guérison rapide.
PCT/CN1996/000006 1995-05-03 1996-01-23 Systeme de repositionnement et de fixation de fracture WO1996034585A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU45336/96A AU4533696A (en) 1995-05-03 1996-01-23 Fracture repositioning and fixing system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 95104293 CN1081020C (zh) 1995-05-03 1995-05-03 管状骨自动延长整复固定系统
CN95104293.9 1995-05-03

Publications (1)

Publication Number Publication Date
WO1996034585A1 true WO1996034585A1 (fr) 1996-11-07

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Application Number Title Priority Date Filing Date
PCT/CN1996/000006 WO1996034585A1 (fr) 1995-05-03 1996-01-23 Systeme de repositionnement et de fixation de fracture

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CN (1) CN1081020C (fr)
AU (1) AU4533696A (fr)
WO (1) WO1996034585A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017341A (en) * 1997-06-20 2000-01-25 Novo Nordisk A/S Apparatus for fixation of the bones in a healing bone fracture
KR100399004B1 (ko) * 2000-01-31 2003-09-22 메딕스얼라인 주식회사 체외 고정기 및 그 구동시스템
FR2907660A1 (fr) * 2006-10-25 2008-05-02 Small Bone Innovations Interna Ensemble d'elements destines a constituer un fixateur externe d'osteosynthese
EP1967149A1 (fr) * 2005-12-29 2008-09-10 Federalnoe Gosudarstvennoe Uchrezhdenie Rossiisky Nauchny Tsentr "Vosstanovitelnaya Travmotologiya I Ortopediya" Compresseur-distracteur
RU2476181C1 (ru) * 2011-10-21 2013-02-27 Государственное автономное учреждение здравоохранения "Республиканская клиническая больница Министерства здравоохранения Республики Татарстан" Аппарат для лечения больных с сочетанными повреждениями голени и стопы
IT201900003283A1 (it) * 2019-03-06 2020-09-06 Orthofix Srl Dispositivo per la correzione angolare di un arto inferiore in età pediatrica
CN111714193A (zh) * 2020-05-28 2020-09-29 广州新诚生物科技有限公司 骨科外固定支架
US11076801B2 (en) 2016-06-19 2021-08-03 Orthospin Ltd. User interface for strut device

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CN110013295A (zh) * 2019-05-15 2019-07-16 柴益民 一种促骨生长的外固定支架
CN113208794B (zh) * 2021-04-20 2022-10-25 哈尔滨工业大学 一种面向下肢骨折复位并联机器人
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2183162Y (zh) * 1993-12-28 1994-11-23 汤福刚 整骨固定器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2183162Y (zh) * 1993-12-28 1994-11-23 汤福刚 整骨固定器

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017341A (en) * 1997-06-20 2000-01-25 Novo Nordisk A/S Apparatus for fixation of the bones in a healing bone fracture
KR100399004B1 (ko) * 2000-01-31 2003-09-22 메딕스얼라인 주식회사 체외 고정기 및 그 구동시스템
EP1967149A1 (fr) * 2005-12-29 2008-09-10 Federalnoe Gosudarstvennoe Uchrezhdenie Rossiisky Nauchny Tsentr "Vosstanovitelnaya Travmotologiya I Ortopediya" Compresseur-distracteur
EP1967149A4 (fr) * 2005-12-29 2010-05-05 Federalnoe G Uchrezhdenie Ross Compresseur-distracteur
FR2907660A1 (fr) * 2006-10-25 2008-05-02 Small Bone Innovations Interna Ensemble d'elements destines a constituer un fixateur externe d'osteosynthese
RU2476181C1 (ru) * 2011-10-21 2013-02-27 Государственное автономное учреждение здравоохранения "Республиканская клиническая больница Министерства здравоохранения Республики Татарстан" Аппарат для лечения больных с сочетанными повреждениями голени и стопы
US11076801B2 (en) 2016-06-19 2021-08-03 Orthospin Ltd. User interface for strut device
IT201900003283A1 (it) * 2019-03-06 2020-09-06 Orthofix Srl Dispositivo per la correzione angolare di un arto inferiore in età pediatrica
WO2020178343A1 (fr) * 2019-03-06 2020-09-10 Orthofix S.R.L. Dispositif de correction angulaire d'un membre inférieur chez des patients pédiatriques
CN111714193A (zh) * 2020-05-28 2020-09-29 广州新诚生物科技有限公司 骨科外固定支架

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CN1115630A (zh) 1996-01-31
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