CN105342729A - Arc-shaped distraction fusion apparatus - Google Patents

Arc-shaped distraction fusion apparatus Download PDF

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Publication number
CN105342729A
CN105342729A CN201510902606.9A CN201510902606A CN105342729A CN 105342729 A CN105342729 A CN 105342729A CN 201510902606 A CN201510902606 A CN 201510902606A CN 105342729 A CN105342729 A CN 105342729A
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China
Prior art keywords
hole
distraction plate
fusant
round tube
nut
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Granted
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CN201510902606.9A
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Chinese (zh)
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CN105342729B (en
Inventor
黄锡艺
白艳丽
王雅玲
缪国帅
李英浩
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Beijing Fule Science & Technology Development Co Ltd
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Beijing Fule Science & Technology Development Co Ltd
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Priority to CN201510902606.9A priority Critical patent/CN105342729B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/442Intervertebral or spinal discs, e.g. resilient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

The invention discloses an arc-shaped distraction fusion apparatus. The arc-shaped distraction fusion apparatus comprises a nut, a connection body, a linkage shaft, a linkage body, a fusion body, a lower distraction plate and an upper distraction plate. The nut is connected with the fusion body through the connection body. The lower distraction plate and the upper distraction plate are connected to the lower face and the upper face of the fusion body respectively. The linkage body is arranged in the fusion body. The right end of the linkage body is movably connected with the lower distraction plate and the upper distraction plate. The left end of the linkage body is connected with the right end of the linkage shaft. The left end of the linkage shaft is connected with the nut. The linkage body can be driven by the linkage shaft to move by screwing the nut so that the lower distraction plate and the upper distraction plate located on the lower face and the upper face of the fusion body can be supported to be opened downwards and upwards respectively. By means of the arc-shaped distraction fusion apparatus, the intervertebral space height can be adjusted in spinal disease operations such as thoracolumbar intervertebral operations, operations can be conveniently performed, and the operation efficiency is improved.

Description

A kind of arc struts fusion device
Technical field
The present invention relates to technical field of medical instruments, especially a kind of arc struts fusion device.
Background technology
Between Thoracolumbar disk, fusion is one of method for the treatment of spinal disease, and annual increasing crowd accepts the treatment of interbody fusion.Interbody fusion comprises autologous bone transplanting and merges and allogenic bone transplantation fusion, due to autologous bone limited source, increase for district wound, can not provide the shortcoming such as mechanically stable timely that the clinical practice of interbody fusion is restricted, and allogenic bone transplantation not only costly, limited amount but also the virus disseminating caused by allograph bone and immunologic rejection be also affect its main cause in wide clinical application.In recent years, for improving bone collection fusion rate, reduce extenal fixation dependency, improve and keep the curvature of spinal column, Invasive lumbar fusion device arises at the historic moment.
Summary of the invention
For prior art Problems existing, the invention provides a kind of arc and strut fusion device, this arc struts fusion device scalable intervertebral height.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of arc of the present invention struts fusion device, comprises nut, connector, couple axle, interlock body, fusant, lower distraction plate and upper distraction plate; Described nut connects fusant by connector, described lower distraction plate and upper distraction plate are connected to upper and lower of fusant, described interlock body is arranged in fusant and right-hand member is flexibly connected with lower distraction plate and upper distraction plate, described interlock body left end connects couple axle right-hand member, described couple axle left end attaching nut, described nut is positioned at connector; Screwing described nut can drive interlock body to move the lower distraction plate and upper distraction plate that lay respectively at upper and lower of fusant to be strutted respectively to lower and upper by couple axle;
Further, described nut interior is the first screwed hole, left end outer peripheral face is arranged six notches, and being convenient to apparatus and holding and get, is spherical outside right-hand member.
Further, described connector upper surface is arcuation face, and centre arranges circular hole, circular hole lateral margin arranges arcuate groove, and circular hole end is provided with the first sphere, when nut loads connector, owing to having angle when nut and connector assemble, arcuate groove can ensure that nut loads smoothly; The arranged on left and right sides of connector is provided with dovetail shaped and gives prominence to position, and the upper surface that dovetail shaped gives prominence to position is arcwall face, and dovetail shaped is given prominence to position bottom inside and is provided with groove, and groove is set to adduction structure.
Further, described couple axle is set to step-like axle, left end shaft arranged outside screw thread, and inside arranges the second screwed hole, and right-hand member axle is provided with the second sphere, and the second sphere both sides become round pie face, and the second sphere inside arranges round tube hole.
Further, described interlock body entirety becomes kidney shape, interlock body is arranged the first through hole and the second through hole, left end arranges groove, and the sphere of couple axle right-hand member is placed in groove, and the round pie face of described couple axle contacts with groove above and below, through hole coaxial line on the left of the round tube hole of sphere inside and interlock body, pin is inserted round tube hole with through hole to be connected couple axle and interlock body, pin two ends anti-riveting, makes the sphere of couple axle can rotate in the groove of interlock body.
Further, described fusant becomes kidney shape, there is the first bone grafting hole inside, for upper, lower symmetrical structure, left, right both ends of the surface become arcuation, cambered surface is arranged in left side, can match with the cambered surface of connector upper surface, left side arranges dovetail groove, give prominence to position with the dovetail shaped of connector to match, left side arranges through hole, the front and back of fusant is arcuation, the concyclic heart, large round tube hole and the first little round tube hole is provided with above, second little round tube hole is set below, second little round tube hole and the first little round tube hole coaxial line gone up above, and this axis excessively before, the center of circle that below first little round tube hole and the second little round tube hole have, on second little round tube hole, under respectively have a locating hole, fusant upper surface is provided with 5 groups of spiral cambers, be respectively the first spiral camber, the second spiral camber, the 3rd spiral camber, the 4th spiral camber and the 5th spiral camber, fusant lower surface and upper surface symmetry, the center of rotation of 5 groups of spiral cambers is coaxial with the center of circle of the front and back of fusant.
Further, described lower distraction plate upper surface has fish scale-shaped spinous process, increasing friction force, strengthen and resist to deviate from power, middle part arranges the second bone grafting hole, and lower surface arranges cylinder, the front and rear sides of lower surface is also provided with cambered surface boss, and the cambered surface boss of wherein side is provided with mounting hole; Described lower distraction plate is provided with five groups of spiral cambers, be respectively the 6th spiral camber, the 7th spiral camber, the 8th spiral camber, the 9th spiral camber and the tenth spiral camber, and form three place's breach, be respectively the first breach, the second breach and the 3rd breach, the 6th spiral camber and the first breach can match with fusant; Described upper distraction plate and lower distraction plate symmetry; The cylinder of upper and lower distraction plate is placed in the round tube hole of interlock body right-hand member.
Further, also comprise two spacer pins, two described spacer pins become ladder shaft-like, one end that wherein diameter is large is placed on two locating holes of fusant respectively, one end that diameter is little is placed on the mounting hole of distraction plate and lower distraction plate respectively, then by the two ends anti-riveting of spacer pin, in the process strutted, spacer pin slides in mounting hole.
Compared with prior art, Advantageous Effects of the present invention: drive couple axle by screw on nut, couple axle drives interlock body, and interlock body drives upper and lower distraction plate to strut respectively to upper and lower, realizes regulating intervertebral height.
Illustrate that the invention will be further described below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is top view of the present invention;
Fig. 4 is the sectional view of A-A of the present invention;
Fig. 5 is nut front view of the present invention;
Fig. 6 is the structure chart of connector of the present invention;
Fig. 7 is couple axle front view of the present invention;
Fig. 8 is couple axle top view of the present invention;
Fig. 9 is interlock body front view of the present invention;
Figure 10 is interlock body top view of the present invention;
Figure 11 is fusant structure chart of the present invention;
Figure 12 is for being fusant front view of the present invention;
Figure 13 is fusant top view of the present invention;
Figure 14 is fusant rearview of the present invention;
Figure 15 is fusant spiral camber schematic diagram of the present invention;
Figure 16 is distraction plate structure chart under the present invention;
Figure 17 is distraction plate spiral camber schematic diagram under the present invention;
Figure 18 is distraction plate structure chart in the present invention;
Figure 19 is spacer pin front view of the present invention.
Description of reference numerals: 1-nut; 2-connector; 3-couple axle; 4-pin; 5-interlock body; 6-fusant; Distraction plate under 7-; The upper distraction plate of 8-; 9-spacer pin; 10-first screwed hole; 11-notch; 12-spherical; 13-circular hole; 14-arcuate groove; 15-arcwall face; 16-groove; 17-screw thread; 18-second screwed hole; 19-second sphere; 20-round tube hole; 21-first through hole; 22-second through hole; 23-groove; 24-first bone grafting hole; 25-left side; 26-through hole; The large round tube hole of 27-; The little round tube hole of 28-first; The little round tube hole of 29-second; 30-locating hole; 31-first spiral camber; 32-fish scale-shaped spinous process; 33-second bone grafting hole; 34-cylinder; 35-cambered surface boss; 36-mounting hole; 37-the 6th spiral camber; 38-upper surface; 39-first sphere; 40-dovetail shaped gives prominence to position; 41-round pie face; 42-dovetail groove; 43-second spiral camber; 44-the 3rd spiral camber; 45-the 4th spiral camber; 46-the 5th spiral camber; 47-the 7th spiral camber; 48-the 8th spiral camber; 49-the 9th spiral camber; 50-the tenth spiral camber; 51-first breach; 52-second breach; 53-the 3rd breach.
Detailed description of the invention
As Figure 1-3, a kind of arc struts fusion device, comprises nut 1, connector 2, couple axle 3, interlock body 5, fusant 6, lower distraction plate 7 and upper distraction plate 8; Described nut 1 connects fusant 6 by connector 2, described lower distraction plate 7 and upper distraction plate 8 are connected to upper and lower of fusant 6, described interlock body 5 is arranged in fusant 6 and right-hand member is flexibly connected with lower distraction plate 7 and upper distraction plate 8, described interlock body 5 left end connects couple axle 3 right-hand member, described couple axle 3 left end attaching nut 1; Screwing described nut 1 can drive interlock body 5 to move to lay respectively at the lower distraction plate 7 of upper and lower of fusant 6 and upper distraction plate 8 is upper and lower struts by couple axle 3.
As shown in Figure 5, nut 1 inside is the first screwed hole 10, left end outer peripheral face is arranged six notches 11, and being convenient to apparatus and holding and get, is spherical 12 outside right-hand member;
As described in Figure 6, described connector 2 upper surface 38 is arcuation face, and centre arranges circular hole 13, circular hole 13 lateral margin arranges arcuate groove 14, and circular hole 13 end is provided with the first sphere 39, when after assembling nut 1, owing to having angle when nut 1 and connector 2 assemble, arcuate groove 14 can ensure that nut 1 loads smoothly; The arranged on left and right sides of connector 2 is provided with dovetail shaped and gives prominence to position 40, and the upper surface that dovetail shaped gives prominence to position 40 is arcwall face 15, and dovetail shaped is given prominence to position 40 bottom inside and is provided with groove 16, and groove 16 is set to adduction structure;
As Figure 7-8, described couple axle 3 is set to step-like axle, left end shaft arranged outside screw thread 17, and inside arranges the second screwed hole 18, and right-hand member axle is provided with the second sphere 19, second sphere 19 both sides and becomes sphere 19 inside, round pie face 41, second to arrange round tube hole 20;
As shown in figs. 9-10, described interlock body 5 entirety becomes kidney shape, interlock body 5 is arranged the first through hole 21 and the second through hole 22, left end arranges groove 23, the sphere 19 of couple axle 3 right-hand member is placed in groove 23, the round pie face 41 of described couple axle 3 contacts with groove 23 above and below, through hole 21 coaxial line on the left of the round tube hole 20 of sphere 19 inside and interlock body 5, pin 4 is inserted round tube hole 20 with through hole 21 to be connected couple axle 3 and interlock body 5, pin 4 two ends anti-riveting, makes the sphere 19 of couple axle 3 can rotate in the groove 23 of interlock body 5;
As shown in figs. 11 and 15, described fusant 6 one-tenth kidney shape, there is the first bone grafting hole 24 inside, for upper, lower symmetrical structure, left, right both ends of the surface become arcuation, cambered surface is arranged in left side 25, can match with the cambered surface of connector 2 upper surface 38, left side 25 is arranged dovetail groove 42, give prominence to position 40 with the dovetail shaped of connector 2 to match, left side 25 is arranged through hole 26, the front and back of fusant 6 is arcuation, the concyclic heart, large round tube hole 27 and the first little round tube hole 28 is provided with above, second little round tube hole 29 is set below, second little round tube hole 29 and the first little round tube hole 28 coaxial line gone up above, and this axis excessively before, the center of circle that below first little round tube hole 28 and the second little round tube hole 29 have, on second little round tube hole 29, under respectively have a locating hole 30, fusant 6 upper surface is arranged five groups of spiral cambers, first spiral camber 31 is positioned at fusant 6 upper surface left end, second spiral camber 43 is positioned at the front and rear sides of the left end of fusant 6 upper surface, 3rd spiral camber 44 is positioned at the front and rear sides in the middle of the upper surface of fusant 6,4th spiral camber 45 is positioned at the front and rear sides of the upper surface right-hand member of fusant 6,5th spiral camber 46 is positioned at fusant 6 upper surface right-hand member, and lower surface and the upper surface of fusant 6 are symmetrical arranged, the center of rotation of spiral camber 31,43,44,45,46 is coaxial with the center of circle of front and back.
As shown in figs. 16-17, described lower distraction plate 7 upper surface has fish scale-shaped spinous process 32, increasing friction force, strengthen and resist to deviate from power, middle part arranges the second bone grafting hole 33, lower surface arranges cylinder 34, and the front and rear sides of lower surface is also provided with cambered surface boss 35, and the cambered surface boss 35 of wherein side is provided with mounting hole 36, described lower distraction plate 7 is provided with five groups of spiral cambers, wherein the 6th spiral camber 37 is positioned at the left end of lower distraction plate 7 lower surface, 7th spiral camber 47 is positioned at the front both sides of lower distraction plate 7 lower surface left end, 8th spiral camber 48 is positioned at before in the middle of lower distraction plate 7 lower surface, rear both sides, before 9th spiral camber 49 is positioned at lower distraction plate 7 lower surface right-hand member, rear both sides, tenth spiral camber 50 is positioned at the right-hand member of lower distraction plate 7 lower surface, and form three place's breach, be respectively the first breach 51 between the 7th spiral camber 47 and the 8th spiral camber 48, the second breach 52 between the 8th spiral camber 48 and the 9th spiral camber 49 and the 3rd breach 53, wherein the 6th spiral camber 37 and the first breach 51 can match with fusant 6, as shown in figure 18, described upper distraction plate 8 is symmetrical with lower distraction plate 7, during assembling, the cylinder 34 of upper and lower distraction plate 7,8 is placed in the round tube hole 22 of interlock body 5 right-hand member.
As shown in figure 19, be spacer pin 9 front view, spacer pin 9 one-tenth ladder shaft-like.As shown in Figure 4, two pins 9 are for being connected fusant 6 with lower distraction plate 7 with upper distraction plate 8 respectively, one end that wherein diameter is large is placed on two locating holes 30 of fusant 6 respectively, one end that diameter is little is placed in distraction plate 8 respectively with on the mounting hole 36 of lower distraction plate 7, and by spacer pin 9 two ends anti-riveting, in the process strutted, spacer pin 9 slides in mounting hole 36.
Installation step is as follows:
1, respectively connector 2, interlock body 5 are loaded fusant 6;
2, after couple axle 3 being loaded fusant 6 from connector 2, then with pin 4, couple axle 3 is connected with interlock body 2, pin 4 two ends anti-riveting, ensures couple axle 3 flexible swinging;
3, nut 1 is screwed into couple axle 3, ensures that interlock body 5 can drive by the process be screwed into;
4, lower distraction plate 7, upper distraction plate 8 are loaded interlock body 5 and fusant 6, distraction plate 7, upper distraction plate 8 can strut smoothly up and down at present to ensure to be screwed into nut 1;
5, load spacer pin 9 after confirming the 4th step, end face is riveted tightly, and smoothing, make it not see vestige, and reaffirm the 4th step effect.
Above-described embodiment is only be described optimal way of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.

Claims (8)

1. arc struts a fusion device, comprises nut (1), connector (2), couple axle (3), interlock body (5), fusant (6), lower distraction plate (7) and upper distraction plate (8); Described nut (1) connects fusant (6) by connector (2), described lower distraction plate (7) and upper distraction plate (8) are connected to upper and lower of fusant (6), described interlock body (5) is arranged in fusant (6) and right-hand member is flexibly connected with lower distraction plate (7) and upper distraction plate (8), described interlock body (5) left end connects couple axle (3) right-hand member, described couple axle (3) left end attaching nut (1), described nut is positioned at connector (2); Screw described nut (1) and couple axle (3) drive interlock body (5) motion can be passed through the lower distraction plate (7) and upper distraction plate (8) that lay respectively at upper and lower of fusant (6) to be strutted respectively to lower and upper.
2. arc according to claim 1 struts fusion device, it is characterized in that: described nut (1) inside is the first screwed hole (10), left end outer peripheral face is arranged six notches (11), being convenient to apparatus hold and get, is spherical (12) outside right-hand member.
3. arc according to claim 1 struts fusion device, it is characterized in that: described connector (2) upper surface (38) is arcuation face, centre arranges circular hole (13), circular hole (13) lateral margin is arranged arcuate groove (14), circular hole (13) end is provided with the first sphere (39), when nut (1) loads connector (2), owing to having angle when nut (1) and connector (2) assemble, arcuate groove (14) can ensure that nut (1) loads smoothly; The arranged on left and right sides of connector (2) is provided with dovetail shaped and gives prominence to position (40), the upper surface that dovetail shaped gives prominence to position (40) is arcwall face (15), and dovetail shaped is given prominence to position (40) bottom inside and is provided with groove (16), groove (16) is set to adduction structure.
4. arc according to claim 1 struts fusion device, it is characterized in that: described couple axle (3) is set to step-like axle, left end shaft arranged outside screw thread (17), inside arranges the second screwed hole (18), right-hand member axle is provided with the second sphere (19), second sphere (19) both sides become round pie face (41), and the second sphere (19) inside arranges round tube hole (20).
5. arc according to claim 4 struts fusion device, it is characterized in that: described interlock body (5) entirety becomes kidney shape, interlock body (5) is arranged the first through hole (21) and the second through hole (22), left end arranges groove (23), the sphere (19) of couple axle (3) right-hand member is placed in groove (23), the round pie face (41) of described couple axle (3) is with on groove (23), contact below, through hole (21) coaxial line in the round tube hole (20) that sphere (19) is inner and interlock body (5) left side, pin (4) is inserted round tube hole (20) with through hole (21) to be connected couple axle (3) and interlock body (5), pin (4) two ends anti-riveting, the sphere (19) of couple axle (3) can be rotated in the groove of interlock body (5) (23).
6. arc according to claim 3 struts fusion device, it is characterized in that: described fusant (6) becomes kidney shape, there is the first bone grafting hole (24) inside, for upper, lower symmetrical structure, left, right both ends of the surface become arcuation, cambered surface is arranged in left side (25), can match with the cambered surface of connector (2) upper surface (38), left side (25) is arranged dovetail groove (42), give prominence to position (40) with the dovetail shaped of connector (2) to match, left side (25) is arranged through hole (26), the front and back of fusant (6) is arcuation, the concyclic heart, large round tube hole (27) and the first little round tube hole (28) is provided with above, second little round tube hole (29) is set below, second little round tube hole (29) and the first little round tube hole (28) coaxial line gone up above, and this axis excessively before, the center of circle that below first little round tube hole (28) and the second little round tube hole (29) have, on second little round tube hole (29), under respectively have a locating hole (30), fusant (6) upper and lower surface is arranged spiral camber (31,43,44,45,46), the center of rotation of spiral camber (31,43,44,45,46) is coaxial with the center of circle of the front and back of fusant (6).
7. arc according to claim 5 struts fusion device, it is characterized in that: described lower distraction plate (7) upper surface has fish scale-shaped spinous process (32), increasing friction force, strengthen and resist to deviate from power, middle part arranges the second bone grafting hole (33), lower surface arranges cylinder (34), the front and rear sides of lower surface is also provided with cambered surface boss (35), and the cambered surface boss (35) of wherein side is provided with mounting hole (36); Described lower distraction plate (7) is provided with spiral camber (37,47,48,49,50), and forms three place's breach, spiral camber (37) and one of them breach can match with fusant (6); Described upper distraction plate (8) is symmetrical with lower distraction plate (7); The cylinder (34) of upper and lower distraction plate (7,8) is placed in the round tube hole (22) of interlock body (5) right-hand member.
8. the arc according to claim 6 or 7 struts fusion device, it is characterized in that: also comprise two spacer pins (9), two described spacer pins (9) become ladder shaft-like, one end that wherein diameter is large is placed on two locating holes (30) of fusant (6) respectively, one end that diameter is little is placed in distraction plate (8) respectively with on the mounting hole (36) of lower distraction plate (7), then by the two ends anti-riveting of spacer pin (9), in the process strutted, spacer pin (9) slides in mounting hole (36).
CN201510902606.9A 2015-12-09 2015-12-09 Arc-shaped distraction fusion apparatus Active CN105342729B (en)

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Publication number Priority date Publication date Assignee Title
CN106821556A (en) * 2017-02-14 2017-06-13 上海凯利泰医疗科技股份有限公司 A kind of lumbar fusion cages and its use instrument
CN111938882A (en) * 2020-08-24 2020-11-17 四川大学华西医院 Posterior atlantoaxial lateral mass joint fusion fixator component

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US20110172774A1 (en) * 2010-01-11 2011-07-14 Armando Varela Expandable intervertebral implant and associated surgical method
CN203183090U (en) * 2013-02-20 2013-09-11 魏志轩 Expandable type implantation object of minimally invasive surgery
US20140236296A1 (en) * 2013-02-20 2014-08-21 Erik Wagner Expandable fusion device for positioning between adjacent vertebral bodies
US20140277487A1 (en) * 2013-03-15 2014-09-18 Dan Davenport Expandable Intervertebral Implant
CN205215457U (en) * 2015-12-09 2016-05-11 胡桓宇 Arc struts integration ware

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Publication number Priority date Publication date Assignee Title
CN101185594A (en) * 2006-11-23 2008-05-28 比德曼莫泰赫有限公司 Expandable intervertebral implant
US20110172774A1 (en) * 2010-01-11 2011-07-14 Armando Varela Expandable intervertebral implant and associated surgical method
CN101972179A (en) * 2010-10-26 2011-02-16 申勇 Adjustable cervical interbody fusion cage
CN203183090U (en) * 2013-02-20 2013-09-11 魏志轩 Expandable type implantation object of minimally invasive surgery
US20140236296A1 (en) * 2013-02-20 2014-08-21 Erik Wagner Expandable fusion device for positioning between adjacent vertebral bodies
US20140277487A1 (en) * 2013-03-15 2014-09-18 Dan Davenport Expandable Intervertebral Implant
CN205215457U (en) * 2015-12-09 2016-05-11 胡桓宇 Arc struts integration ware

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106821556A (en) * 2017-02-14 2017-06-13 上海凯利泰医疗科技股份有限公司 A kind of lumbar fusion cages and its use instrument
CN111938882A (en) * 2020-08-24 2020-11-17 四川大学华西医院 Posterior atlantoaxial lateral mass joint fusion fixator component

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