WO2003086211A1

WO2003086211A1 - External restitution and fixation device for osteoplasty

Info

Publication number: WO2003086211A1
Application number: PCT/CN2003/000204
Authority: WO
Inventors: Fu Han
Original assignee: Fu Han
Priority date: 2002-04-12
Filing date: 2003-03-19
Publication date: 2003-10-23
Also published as: AU2003221223A1

Abstract

The present invention relates to an external restitution and fixation device for osteoplasty. The device comprises four threaded rods and a stretch ring assembly, an immovable support assembly for osseous pins, a movable support assembly for osseous pins, a torsion ring assembly and an adjustment handle. All the assemblies and the handle are mounted on the threaded rods. An adjustment support assembly for osseous pins is mounted on the stretch ring assembly. The device further comprises an omnidirectional adjustment assembly mounted on the torsion ring assembly. All parts of the device are made of nonmetal materials. A drive mechanism and a computer may be combined with the device.

Description

Fracture restoration external fixator

TECHNICAL FIELD The present invention relates to a medical device, and more particularly, to a bone bonding device for adjusting, positioning and fixing a fracture bone. BACKGROUND OF THE INVENTION Conventional fracture treatment is still mostly performed by X-ray radiographs, adjusted or reduced by an orthopaedic surgeon by hand and experience, and positioning the bone, and then fixed with a plaster splint or fixture. Because the plaster fixing method is very backward, it is now rarely used. The fixture is more commonly used, but because the bone-folding fixture is made of a metal material and is heavy, it is currently inconvenient to use, and the instrument can only be used for fixing after manual bone grafting, and cannot be used for bone adjustment. In recent years, with the improvement of the level of medical technology, an osteosynthesis device with both functions of osteosynthesis and fixation has emerged. However, due to the imperfect structure, it has only two degrees of freedom to adjust and cannot achieve all-round flexibility. The adjustment, because it is made entirely of metal materials, has the problem of ray shielding, which cannot achieve the effect of clinical application. Therefore, the osteosynthesis instrument not only needs to have both functions of osteosynthesis and fixation, but also needs to realize all-round flexible adjustment, and can complete the computer control of the reset adjustment operation, in order to achieve the purpose of convenience and high efficiency operation. SUMMARY OF THE INVENTION One of the problems that the osteosynthesis provided by the present invention can solve is that it can not only complete the adjustment of the osteosynthesis, but also undertake the fixation work after the osteosynthesis, so that the adjustment and the fixation can be performed simultaneously; the second problem to be solved is the realization of stereo multi-degree of freedom adjustment , And there is no ray shielding, while reducing needleway infection and weight reduction; the third problem is to provide a convenient and efficient bone connector that can be controlled by computer based on the above two problems.

The basic component of the bone connector of the present invention includes: a spiral connecting rod; a tensile ring assembly fixed at one end of the spiral connecting rod and movable along its axial direction; fastened to the spiral connecting rod by a fastener The other end of the rotating ring assembly; the upper bone needle adjusting frame assembly and the lower bone needle adjusting frame assembly respectively installed on the outer end surface of the stretching ring assembly and the rotating ring assembly; Spin The mobile bone holder assembly is installed on the spiral connecting rod near the side of the tension ring assembly, and is also located between the tension ring assembly and the rotation ring assembly, near the side of the rotation ring assembly The fixed bone needle frame assembly fixed on the screw connection rod; the all-round adjustment assembly that is located on the inside of the rotary ring assembly and inserted on it; and the upper bone needle adjustment frame assembly, the tension ring assembly, and the rotation The ring assembly, the lower bone needle adjustment frame assembly, and the adjustment holes of the all-round adjustment assembly are fitted with the adjustment handles.

In the bone connector described above, the spiral connecting rod may be composed of two or more spiral connecting rods arranged in parallel, and the optimal solution is four symmetrical settings.

As described above, the tensile ring assembly includes a tensile ring housing provided with an upper bone needle adjusting frame mounting hole and a gear mounting hole; a ring gear provided in the tensile ring housing; and assembled in the A gear in the gear mounting hole with an internally threaded internal hole that cooperates with the external thread of the helical connecting rod and meshes with the ring gear; fits in the upper part of the extension ring housing with an internal hole that cooperates with the adjustment handle A worm gear that meshes with the ring gear; a longitudinal spiral tie rod fixed on the inner side of the tensile ring housing and located on the side of the gear mounting hole.

As described above, the rotating ring assembly includes a rotating ring housing provided with a through-hole of a spiral connecting rod on an outer circumferential surface; a ring gear installed in the rotating ring housing; and provided in an upper portion of the rotating ring housing, having A worm gear that adjusts the handle to cooperate with the inner hole and meshes with the ring gear; a lower bone needle adjustment frame assembly installation hole and an all-round adjustment assembly installation hole provided on the inner hole wall of the ring gear.

The osteosynthesis device as described above includes an omnidirectional adjustment assembly including a worm and worm housing fixed on a connecting frame by fasteners; the worm and the worm are installed in the worm and the worm housing and engage with each other; Adjust the threaded rod; slide the arc-shaped omnidirectional adjustment bone needle holder mounted on the lower end of the upper and lower adjustment threaded rod; install on the arc groove of the arc-shaped omnidirectional adjustment needle holder, which can be tilted or adjusted horizontally, and The bone needle fixed by adjusting the fastener; the connecting frame is inserted into the omnidirectional adjustment assembly installation of the rotating ring assembly.

For the bone connector described above, the upper bone needle adjustment frame assembly includes a fixed connection seat; a rotatable adjustment screw installed in the fixed connection seat and having an inner hole that cooperates with the adjustment handle; and is set on the adjustment screw and can be along the base axis Mobile bone needle bracket; bone needle fixed on bone needle bracket through fasteners and adjusting nut provided on bone needle bracket; using the fixed connection seat to fix the assembly to the outer end surface of the tensile ring assembly on.

As described above, the lower bone needle adjusting frame assembly includes a fixed connection base; an inner end of the shaft end mounted on the fixed connection base is provided with an inner hole that cooperates with an adjustment handle, and an adjustable screw can be rotated; a lower end set A fastening bracket on the adjusting screw and movable along its axial direction; a bone needle fixed at both ends to the fastening bracket; the assembly is fixed to the ring gear of the rotary ring assembly by a fixed connection seat Lower bone needle adjustment frame assembly mounting hole.

In the bone connector described above, the mobile bone needle holder assembly includes a mobile bone needle holder; an adjustable fixing clip installed on the lower end and the upper end of the mobile bone needle holder; the fixing clip is provided with a threaded hole and a through-hole of a spiral connecting rod The threaded hole and the through-hole of the spiral connecting rod are respectively matched with the longitudinal spiral tie rod and the spiral connecting rod of the tension ring assembly; the fastener can adjustably install the bone needle on the arc-shaped groove of the mobile bone needle frame.

As mentioned above, all components except bone needles are made of non-metallic materials. The osteosynthesis device of the present invention is composed of an adjustment fixing component or an assembly, and the adjustment and fixing component or the assembly includes a driving interface provided separately; the osteosynthesis further includes a variable speed drive, a computer host controlling the operation of the variable speed drive, and A set of driving flexible shafts; one end of the set of driving flexible shafts is respectively connected to the corresponding drive interface of the bone fixation adjustment fixing component or assembly, and the other end is respectively connected to the corresponding control output drive interface on the variable speed drive; The control socket of the variable speed drive is connected to the computer host through wires, and the computer host includes an image acquisition and display device for the fracture site.

As mentioned above, the adjusting and fixing component or assembly of the bone connector includes a screw connection rod, a movable tensile ring assembly fixed to one end of the screw connection rod, and a rotating ring assembly fixed to the other end of the screw connection rod, respectively installed on Movement of the upper and lower needle adjustment bracket assemblies and the lower bone needle adjustment bracket assemblies on the outer end faces of the tension ring assembly and the rotation ring assembly, and the spiral connecting rods located between the tension ring assembly and the rotation ring assembly Bone needle holder assembly and fixed bone needle holder assembly, all-round adjustment assembly inserted inside the rotating ring assembly; the variable speed drive is provided with an upper bone needle control output drive interface, a tensile compression control output drive interface, Omnidirectional movement up and down control output drive interface, rotation ring left and right rotation control output drive interface, parallel left and right movement control output drive interface and lower bone needle control output drive interface; upper bone needle drive soft shaft, stretch compression The driving soft shaft, the omnidirectional moving up and down driving soft shaft, the rotating ring left-handed right-hand driving soft shaft, the parallel left-hand moving right-hand driving soft shaft, and the end of the lower bone needle driving soft shaft are respectively connected with the upper bone needle on the bone connector in order The whole drive interface, the rotation ring is turned left and right to adjust the drive interface, and the left and right adjustment interfaces are connected to the lower bone needle adjustment drive interface, and the other ends are connected to the upper bone needle control output drive interface and stretch compression control output on the variable speed drive. Drive interface, omnidirectional upward and downward control output interface, rotation ring left-handed and right-handed control output driver interface, parallel leftward and right-handed control output driver interface, lower bone needle control output and drive interface are connected; it is set on the panel of the variable speed driver There is a computer line input window. The upper bone needle control socket, the tension compression control socket, the all-round upward and downward control socket, the rotation ring left-handed right-handed control socket, the parallel left-handed right-handed control socket, and Lower bone needle control socket; the socket communicates with the host computer through a wire 相连接。 Phase connection.

The bone device described above is provided with an image display window of the fracture site on one side of the display screen of the computer host, and the other side is provided with a pull, extension and compression logo, a left-handed right-handed logo, an up-down-right logo, and a left-right-right logo. A mark, an upper bone needle mark, and a lower bone needle mark, and a displacement distance mark, a time mark, an execution mark, a still image mark, and a suspension mark are set at the lower part.

Compared with the traditional osteosynthesis method and device, the present invention has the following positive effects and advantages:

1. Realize the operation function of stereo multi-degree of freedom adjustment and fixed synchronization;

2. Except the bone needle, this bone connector is made of non-metallic materials, which can overcome the problem of blocking the rays by metal parts;

3. The overall osteosynthesis structure is reasonable in design, complete functions, good treatment effect, light weight, and low needle infection rate;

4. It can be equipped with computer control, which has the advantages of high degree of automation, precise movement, high treatment efficiency, medical staff's protection from X-ray radiation and remote operation. Brief Description of the Drawings Figure 1 is a schematic diagram of the overall assembly structure of the bone connector according to the present invention;

FIG. 2 is a schematic structural diagram of a tensile ring assembly in a bone connector according to the present invention; FIG.

Figure 3 is a side view of Figure 2;

FIG. 4 is a schematic structural diagram of a rotating ring assembly in an osteosynthesis according to the present invention; FIG.

5 is a schematic structural diagram of an omnidirectional adjustment assembly in an osteosynthesis according to the present invention;

Fig. 6 is a schematic structural diagram of an upper bone needle adjusting bracket assembly in an osteosynthesis device according to the present invention; Fig. 7 is a schematic structural diagram of a lower bone needle adjusting bracket assembly in an osteosynthesis device according to the present invention; Fig. ₈ is an osteosynthesis according to the present invention Structural diagram of the mobile bone needle holder assembly in the device;

FIG. 9 is a schematic structural diagram of a connection between a bone connector and a variable speed drive according to the present invention; FIG.

FIG. 10 is a schematic diagram of a display mode of a computer host according to the present invention.

11 is a schematic block diagram of a connection relationship between a bone connector, a computer host and a variable speed drive according to the present invention. The first embodiment of the present invention will be described in detail with reference to the following structural drawings. The overall structure of the osteosynthesis is shown in Fig. 1. The two ends of the spiral connecting rod 1 are respectively equipped with a tension ring assembly 3 and a rotation. Ring assembly 6, the tensile ring assembly 3 can be moved axially along the screw connection rod 1, the rotary ring assembly 6 can be fastened to the screw connection rod 1 by a fastener; the upper bone needle adjustment frame assembly 2 and the lower The bone needle adjusting frame assembly 7 is installed on the outer end faces of the stretching ring assembly 3 and the rotating ring assembly 6 respectively; near the stretching ring assembly 3-side between the stretching ring assembly 3 and the rotating ring assembly 6 A mobile bone needle holder assembly 4 is provided on the screw connecting rod 1 and a fixed bone needle holder assembly 5 is fixed on the screw connecting rod 1 near the 6-side of the rotating ring assembly. The all-round adjustment assembly 8 is inserted in The rotating ring assembly 6 is located on the inside of the rotating ring assembly 6; the adjusting handle 9 can be respectively connected with the upper bone needle adjusting frame assembly 2, the stretching ring assembly 3, the rotating ring assembly 6, and the lower bone needle adjusting frame assembly It fits into the adjustment holes of 7 and 8 in all directions. The structure of the tension ring assembly 3 is shown in Figs. 2 and 3: The tension ring housing 13 is provided with an upper bone needle adjustment frame mounting hole 15 and a gear mounting hole 16; The internally threaded internal gear 14 is fitted in the gear mounting hole 16 and meshes with the ring gear 12 provided in the tensile ring housing 13; the worm gear 11 with the internal hole matched with the adjustment handle 9 is fitted in the tensile The upper part of the ring housing 13 meshes with the ring gear 12; the longitudinal spiral tie rod 10 is fixed on the inner side of the tensile ring housing 13 on the side of the gear mounting hole 16. The structure of the rotating ring assembly 6 is shown in FIG. 4: a ring gear 20 is installed in a rotating ring housing 19 with a through hole 21 for a spiral connecting rod on the outer circumferential surface, and the ring gear 20 and a worm gear 18 with an inner hole matching the adjustment handle 9 For meshing, the worm wheel 18 is arranged in the upper part of the rotating ring housing 19, and the inner hole wall of the ring gear 20 is provided with a lower bone needle adjustment frame assembly installation hole 17 and an all-directional adjustment assembly installation hole 22. The structure of the all-round adjustment assembly 8 is shown in FIG. 5: In the worm and worm housing 24, an intermeshing worm 23 and a worm gear 25 are installed. The worm and the worm gear 25 are sleeved with the upper and lower adjusting screw rods 26. Mounted on the connecting bracket 27; On the lower end of the upper and lower adjustment screw rods 26, slide the omnidirectional adjustment bone needle holder 28 slidingly, and fix the arc groove of the arc omnidirectional adjustment bone needle holder 28 with adjustable fasteners. The bone needle 32 can be tilted or adjusted horizontally on the omnidirectional adjustment bone needle holder 28; the connecting bracket 27 is inserted into the omnidirectional adjustment assembly mounting hole 22 of the rotary ring assembly 6. The structure of the upper bone needle adjustment assembly 2 is shown in FIG. 6: An adjustment screw 33 with an inner hole matching with the adjustment handle 9 is installed in the fixed connection seat 29, and the rotatable adjustment screw 33 is sleeved along the axial direction of the adjustment screw 33 The moving bone needle bracket 30, the fastener 31 fixes the bone needle 32 to the bone needle bracket 30, and an adjusting nut 42 is provided on the bone needle bracket 30. The assembly 2 is fixed to the extension by using a fixed connection seat 29 3 on the outer end face of the ring assembly. The structure of the lower bone needle adjusting frame assembly 7 is shown in FIG. 7; a rotatable adjusting screw 36 is installed in the fixed connection base 34, and an inner hole matching the adjusting handle 9 is provided on the shaft end surface of the adjusting screw 36; The lower end of the fixed bracket 35 is sleeved on the adjusting screw 36 and can be moved along its axial direction; the two ends of the bone needle 32 are fixedly connected to the fastening bracket 35; the assembly 7 is fixed to the rotating ring assembly 6 by using the fixed connection base 34 Ring gear 20 is mounted on the lower bone needle adjustment frame assembly mounting hole 17. The structure of the mobile bone holder assembly 4 is shown in FIG. 8; an adjustable fixing clip 39 is installed on the lower and upper ends of the mobile bone holder 40, and a threaded hole 37 and a screw connecting rod through hole 38 are provided on the adjustable fixing clip 39 The threaded hole 37 and the spiral connecting rod through hole 38 are respectively matched with the longitudinal spiral tie rod 10 and the spiral connecting rod 1 of the tension ring assembly 3; the fastener 41 adjustably installs the bone needle 32 on the mobile bone needle holder 40 Curved groove. Except for the bone needle 32, the device is made of non-metallic materials. For industrial applicability, set the bone connector on the fracture site, pierce the bone needle 32 through the bone, and then place it on the upper bone needle adjustment frame assembly 2. Move the bone needle frame assembly 4, the all-round adjustment assembly 8 and down The bone needle adjusting frame assembly 7 is locked, and the adjusting handle 9 is used to rotate the worm wheel 11 and the ring gear 12 and the gear 14 to make the stretching ring assembly 3 and the moving bone needle assembly 4 to drive the bone to move, adjust, and position axially. The adjustment handle 8 rotates the worm wheel 18 and the gear 20, so that the lower bone needle adjustment sleeve assembly Ί on the rotating ring assembly 6 and the all-round adjustment assembly 8 rotate in the circumferential direction, and the alignment is performed; The bone needle 32 position and angle are changed. After the bone is connected, it can be fixed together with other bone needles 32 by fixing the bone needle holder assembly 5. Embodiment 2 of the present invention The technical solution of the bone control device driven by the computer according to the present invention will be described below with reference to the drawings. The computer-controlled fracture fixation external fixator includes a bone connector, a variable-speed drive 48, and a computer host 68. The variable-speed drive 48 is provided with an upper bone needle drive interface 49, a tensile compression drive interface 50, and an all-around up and down drive interface 51 , Rotary ring Left-right rotation drive interface 52, Parallel left-shift right-movement interface 53 and Lower bone needle drive interface 54; Upper bone needle drive soft shaft 56, Stretch compression drive soft shaft 57, All-directional up-down drive soft shaft 58, Rotary ring Left-handed right-hand drive soft shaft 59, Parallel left-handed right-hand drive soft shaft 60, One end of the lower bone needle drive soft shaft 61 is sequentially adjusted with the upper bone needle adjustment interface 42 on the bone connector, and the tension compression ring is adjusted Interface 43, omnidirectional upward and downward adjustment interface 44, rotation ring left-right adjustment interface 45, parallel left-right adjustment interface 46, lower bone needle adjustment interface 47 are connected, and the other ends are respectively connected with the upper on the variable-speed drive 48 Bone Needle Drive Interface 49, Stretch Compression Drive Interface 50, All-around Move Down Move Drive Interface 51, Rotary Ring Left-Right Drive Drive Interface 52, Parallel Left-Right Drive Drive Interface 53, Lower Bone Needle Drive Interface 54 are fixedly connected, will Bone and change The speed driver 48 is turned on. A computer line input window 55 is provided on the panel of the variable speed drive 48. Inside the computer line input window 55, an upper bone control socket 62, a tensile compression control socket 63, an all-round up and down control socket 64, and a rotating ring are provided. The left-handed right-handed control socket 65, the left-handed right-handed control socket 66 in parallel, and the lower bone needle control socket 67 are in communication with the host computer 68 by wires. A fracture site image display window 69 is provided on one side of the display screen of the host computer 68. On the other side, a stretch compression mark 75, a left-handed right-handed mark 76, a move-up, right-handed mark 77, and a left-handed right A shift mark 78, an upper bone needle mark 79, and a lower bone needle mark 80 are provided with a displacement distance mark 74, a time mark 73, an execution mark 72, a still image mark 71, and a stop mark 79 at the lower portion. For industrial practical operation, set the bone connector on the fracture site. According to the fracture image on the fracture site image window 69 of the host computer 68, click the relevant mark with the mouse, design the displacement distance and time, and send the signal. Go to the relevant socket on the variable speed drive 48, and drive the relevant drive flexible shaft through the corresponding drive interface on the variable speed drive 48 to move the corresponding adjustment interface on the bone connector to complete the automatic adjustment and alignment of the interface at the broken bone.

Claims

Request for Rights

1. An osteosynthesis device, characterized in that it comprises: a screw connection rod (1); a tension ring assembly (3) fixed to one end of the screw connection rod (1) and movable along its axial direction; A rotating ring assembly (6) fastened to the other end of the spiral connecting rod (1) by a fastener; and respectively installed on the outer end faces of the tensile ring assembly (3) and the rotating ring assembly (6) The upper bone needle adjustment frame assembly (2) and the lower bone needle adjustment frame assembly (7); located between the tension ring assembly (3) and the rotating ring assembly (6), close to the tension ring assembly ( 3) —The mobile bone needle assembly (4) is installed on the side spiral connecting rod (1); it is also located between the tension ring assembly (3) and the rotating ring assembly (6), close to the rotating ring assembly (6) The fixed bone needle holder assembly (5) fixed on the spiral connecting rod (1) on one side; it is located on the inside of the rotating ring assembly (6) and is inserted into the all-round adjustment assembly (8) ); With upper bone needle adjustment frame assembly

(2), extension ring assembly (3), rotation ring assembly (6), lower bone needle adjustment frame assembly (7) and adjustment holes of the all-round adjustment assembly (8). 9).

2. The osteosynthesis according to claim 1, characterized in that: the spiral connecting rod (1) can be composed of two or more spiral connecting rods arranged in parallel, and the optimal solution is four symmetrical settings .

3. The bone adapter according to claim 1, characterized in that: the stretch ring assembly (3) comprises a stretch ring provided with an upper bone needle adjustment frame mounting hole (15) and a gear mounting hole (16) A housing (13); a ring gear (12) provided in the tensile ring housing (13); assembled in the gear mounting hole (16), with a screw thread that fits the external thread of the screw connecting rod (1) Internal thread and internal hole, and with the ring gear

(12) meshing gear (14); a worm gear (fitted in the upper part of the extension ring housing (13), with an inner hole that cooperates with the adjustment handle (9), and meshes with the ring gear (12)) 11); Longitudinal spiral tie rod fixed to the inner side of the tensile ring housing (13) and located on the side of the gear mounting hole (16)

(10).

4. The bone connector according to claim 1, characterized in that: the rotation ring assembly (6) comprises a rotation ring housing (19) provided with a spiral connecting rod through hole (21) on an outer circumferential surface; rotation A ring gear (20) installed in the ring housing (19); a worm gear (20) provided in the upper part of the rotating ring housing (19), having an adjustment handle (9) that cooperates with the inner hole and meshes with the ring gear (20) 18); The lower bone needle adjustment frame assembly mounting hole (17) and the all-round adjustment assembly mounting hole (22) provided on the inner hole wall of the ring gear (20).

5. The osteosynthesis according to claim 1, characterized in that: the all-round adjustment assembly (8) Including a worm gear housing (24) fixed on the connecting frame (27) by a fastener; a worm gear (23) and a worm gear (25) installed in the worm gear housing (24); and the worm gear (25) Socketed upper and lower adjusting screw rods (26); arc-shaped omnidirectional adjusting bone needle holders (28) slidably mounted on the lower ends of the upper and lower adjusting screw rods (26); (28) The bone groove (32) can be tilted or adjusted horizontally and fixed by adjustable fasteners; the connecting bracket (27) is inserted in the rotating ring assembly (6) Adjust the assembly mounting holes (22) in all directions.

6. The osteosynthesis according to claim 1, characterized in that: the upper bone needle adjusting frame assembly (2) comprises a fixed connection base (29); installed in the fixed connection base (29), and has an adjustment handle (9) ) A rotatable adjusting screw (33) matched with the inner hole; a bone needle holder (30) that is sleeved on the adjustment screw (33) and can be moved along the base axis; and is fixed to the bone needle holder (31) by a fastener (31) 30) The bone needle (32) and the bone needle bracket (30) are provided with an adjusting nut (42); the assembly is fixed on the outside of the tension ring assembly (3) by using the fixed connection seat (29) On the end face.

7. The osteosynthesis according to claim 1, characterized in that: the lower bone needle adjusting frame assembly (7) comprises a fixed connection base (34); a shaft end surface mounted in the fixed connection base (34) is provided with An inner hole matched with the adjustment handle (9), and a rotatable adjustment screw (36); a lower end sleeved on the adjustment screw (36), and a fastening bracket (35) that can be moved along its axial direction; the two ends are fixed A bone needle (32) connected to a fastening bracket (35); the assembly (7) is fixed to the lower bone needle of the ring gear (20) of the rotating ring assembly (6) by using a fixed connection seat (34) Mounting bracket assembly mounting holes (17).

8. The osteosynthesis according to claim 1, characterized in that: the mobile bone needle holder assembly (4) comprises a mobile bone needle holder (40); the lower end and the upper end of the mobile bone needle holder (40) are adjustable. A fixing clip (39); the fixing clip (39) is provided with a screw hole (37) and a screw connecting rod through hole (38); the screw hole (37) and the screw connecting rod through hole (38) are respectively connected with a pull The longitudinal spiral tie rod (10) of the extension ring assembly (3) cooperates with the spiral connecting rod (1); the fastener (41) adjusts the bone needle (32) to the curved shape of the mobile bone needle holder (40) Slot.

9. The bone connector according to claim 1, characterized in that all components except the bone needle (32) are made of non-metallic materials.

10. An osteosynthesis device, characterized in that: it is composed of an adjustment and fixation component or assembly, each of which includes a drive interface provided; the osteosynthesis also includes a variable speed drive and a control variable speed drive Computer host and a set of driving flexible shafts; one end of the set of driving flexible shafts is respectively connected to the corresponding drive interface of the bone fixation adjustment fixing component or assembly, and the other end is respectively connected to the corresponding control output of the variable speed drive On the drive interface; The control sockets of the high-speed driver are connected to the computer host through wires respectively, and the computer host includes a fracture site image acquisition and display device.

11. The osteosynthesis according to claim 9, characterized in that: its adjusting and fixing component or assembly comprises a screw connection rod (1), a movable stretch ring assembly (3) fixed at one end of the screw connection rod (1) ), A rotating ring assembly (6) fixed to the other end of the spiral connecting rod (1), and an upper bone needle adjusting frame assembly installed on the outer end surface of the tensile ring assembly (3) and the rotating ring assembly (6), respectively Assembly (2) and lower bone needle adjusting frame assembly (7), the moving bone needle frame assembly on the spiral connecting rod (1) located between the tension ring assembly (3) and the rotating ring assembly (6) (4) and fixed bone needle holder assembly (5), all-round adjustment assembly (8) inserted inside the rotating ring assembly; an upper bone needle control output drive interface (49) is provided on the variable speed drive (48) ), Tension and compression control output drive interface (50), All-round up and down control output drive interface (51), Rotating ring left-handed right-handed control output drive interface

(52), parallel left shift right shift control output drive interface (53) and lower bone pin control output drive interface (54); upper bone needle drive soft shaft (56), tensile compression drive soft shaft (57), all-round One end of the soft shaft (58) that moves up and down, the left-handed right-handed shaft (59) that rotates the ring, the left-handed right-handed shaft (60) that moves in parallel to the left, and one end of the lower-bone needle-driven soft shaft (61) are connected to the bone in order. The upper bone needle adjustment drive interface (44), the rotating ring rotates left and right to adjust the drive interface (45), the parallel leftward and rightward adjustment adjustment interface (46), the lower bone needle adjustment drive interface (47) is connected, and the other ends are respectively With the upper bone needle control output drive interface (49), the stretch compression control output drive interface (50), the all-around up and down control output interface (51), the rotation ring left-handed right-handed control output on the variable-speed drive (48) The drive interface (52), the parallel left shift right shift control output drive interface (53), and the lower bone needle control output drive interface (54) are connected; a computer line input window (55) is provided on the panel of the variable speed drive (48) , Set the upper bone in the input window (55) Needle control socket (62), Tension compression control socket (63), All-around move up and down control socket (64), Rotary ring left-handed right-handed control socket (65), Parallel left-handed right-handed control socket (66) and Inferior bone needle control socket (67); the socket is connected with the host computer (68) through a wire.

12. The osteosynthesis according to claim 9, characterized in that: a fracture site image display window (69) is provided on one side of the display screen of the computer main body (68), and a stretch compression mark is provided on the other side

(75), the left-handed right-handed logo (76), the left-handed right-handed logo (77), the left-handed right-handed logo (78), the upper bone needle (79), and the lower bone needle (80) are set at the lower part The displacement distance identification (74), the time identification (73), the execution identification (72), the still image identification (71), and the suspension identification (70).