CN105902327A - Centrum fusion device - Google Patents

Centrum fusion device Download PDF

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Publication number
CN105902327A
CN105902327A CN201610210983.0A CN201610210983A CN105902327A CN 105902327 A CN105902327 A CN 105902327A CN 201610210983 A CN201610210983 A CN 201610210983A CN 105902327 A CN105902327 A CN 105902327A
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CN
China
Prior art keywords
slide block
sandwich
elevating lever
screw rod
spiral shell
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201610210983.0A
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Chinese (zh)
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CN105902327B (en
Inventor
赵汝琛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Ainuode Medical Devices Co Ltd
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Guangzhou Ainuode Medical Devices Co Ltd
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Priority to CN201610210983.0A priority Critical patent/CN105902327B/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
    • A61F2/4455Joints 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
    • 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
    • A61F2/4425Intervertebral or spinal discs, e.g. resilient made of articulated components

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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 relates to a centrum fusion device. The centrum fusion device includes a first lifting rod, a second lifting rod, a screw, and an upper plate and a lower plate which are arranged vertically; a first end of the screw is sleeved with a first slide block which is threadingly matched with the screw, a second end of the screw is sleeved with a second slide block which is threadingly matched with the screw, the direction of threads of the first end of the screw is contrary to the direction of threads of the second end of the screw; the first slide block and the second slide block are slidingly connected to the lower plate; the first slide block is hinged to the lower end of the first lifting rod, and the second slide block is hinged to the lower end of the second lifting rod; the center of the first lifting rod and the center of the second lifting rod are crossed and hinged; the upper ends of the first lifting rod and the second lifting rod are slidingly connected to the upper plate. The screw is rotated and drives the first slide block and the second slide block to move left and right, and then the upper plate and the second plate are closed up or separated, and the height can be adjusted.

Description

Threaded fusion cage
Technical field
The present invention relates to medical instruments field, particularly to a kind of threaded fusion cage.
Background technology
In daily life, due to tumor, fracture, case that the reason such as infection causes vertebral body to damage time have and send out Raw, when treating these patients, the mode used at present is to implant a fusion device between the vertebral body damaged, Make osseous tissue produce creeping substitution, thus repair the vertebral body of damage, but traditional threaded fusion cage height is solid Fixed, and the intervertebral height of human body can vary with each individual, cannot be by regulating the height of threaded fusion cage in operation It is suitable for the different intervertebral heights of different patient, thus threaded fusion cage cannot be made to be suitable for the intervertebral of human body completely Highly, have impact on therapeutic effect.
Summary of the invention
Based on this, it is necessary to for the defect of prior art, it is provided that a kind of threaded fusion cage, height can be realized Regulation, is suitable for the different intervertebral heights of different patient.
Its technical scheme is as follows:
A kind of threaded fusion cage, including the first elevating lever, the second elevating lever, screw rod and upper plate setting up and down With lower plate, the first end of described screw rod is arranged with the first slide block with its threaded engagement, the second end set of screw rod It is provided with the second slide block with its threaded engagement, the screw thread of described screw rod the first end and the screw thread side of screw rod the second end To on the contrary, described first slide block, the second slide block are slidably connected with lower plate respectively, described first slide block and first The lower end of elevating lever is hinged, and the lower end of described second slide block and the second elevating lever is hinged, described first elevating lever The middle part cross-articulation of middle part and the second elevating lever, described first elevating lever, the upper end of the second elevating lever are divided It is not slidably connected with upper plate.
Its further technical characteristic is as follows:
The both sides of described upper plate are equipped with two the first sliding eyes, and the upper end of described first elevating lever is provided with first Pivot pin, the upper end of the second elevating lever is provided with the second pivot pin, the two ends of described first pivot pin, the two of the second pivot pin End lays respectively in the first corresponding sliding eye, and the both sides of described lower plate are equipped with two the second sliding eyes, Described first slide block is provided with the 3rd pivot pin, and described second slide block is provided with the 4th pivot pin, described 3rd pivot pin Two ends, the two ends of the 4th pivot pin lay respectively in the second corresponding sliding eye.
The upper surface of described lower plate offers the sliding tray along described screw rod axial direction, described first slide block, Second slide block is positioned at described sliding tray, and described second sliding eye is arranged on the two side of described sliding tray.
The upper surface of described lower plate offers the holding tank in direction axially along a screw, the two side of described holding tank Being provided with the first slide rail or the first chute, described first slide block, the second slide block are positioned at described holding tank, And be equipped with on described first slide block, the second slide block the second chute mated with described first slide rail or with institute State the second slide rail of the first chute coupling.
Offering the slot to make way in direction axially along a screw on the lower surface of described upper plate, described first sliding eye sets Put on the two side of described slot to make way.
The upper surface of described upper plate, lower plate lower surface on be equipped with anti-slop serrations, and the upper surface of upper plate and under It is further opened with installing hole on the lower surface of plate.
Described threaded fusion cage also includes that rotating mechanism, described rotating mechanism include spiral shell core, sandwich and chuck, Described spiral shell core is connected with one end of screw rod, and described lower plate is provided with folder torr or near spiral shell near the end face of spiral shell core The outer face of the first slide block of core is provided with folder torr, and described sandwich is set in outside spiral shell core and threadeds with spiral shell core, One end of described sandwich is clipped in outside torr, and the surface that described folder torr contacts with sandwich is for towards the first slider tilt Inclined-plane, it is outer and threaded with sandwich that described chuck is set in sandwich, and described chuck rotates towards the first slide block Make sandwich locking folder torr.
Described rotating mechanism also include overcoat and fixture block, described overcoat be set in described sandwich outer and with described folder Core is slidably matched, and described overcoat offers the draw-in groove in radially direction, and described spiral shell core is corresponding with described draw-in groove Position be provided with cannelure, described fixture block is fastened on described cannelure through draw-in groove.
Described rotating mechanism also includes handle and the torque force limiting device being arranged on handle, described spiral shell core away from Described overcoat is stretched out in one end of screw rod, and spiral shell core is connected with described handle away from one end of screw rod.
The core section outer surface that described sandwich is corresponding with overcoat is polyhedral, the inner surface of described overcoat and multiaspect Body shape core section shiding matching.
Advantage or principle to preceding solution illustrate below:
Above-mentioned threaded fusion cage, by rotating screw rod, drives the first slide block with its threaded engagement and second to slide Block synchronizes to draw close to centre, thus drives first elevating lever hinged with the first slide block and the second slide block hinged Second elevating lever rotate, upper plate is strutted with lower plate so that between upper plate and lower plate distance increase, Rotate backward screw rod, drive the first slide block and the second slide block to synchronize to move laterally, thus drive the first lifting Bar and the second elevating lever rotate, and are drawn close with lower plate by upper plate, so that the distance between upper plate and lower plate reduces, Realize altitude mixture control, be suitable for the different intervertebral heights of different patient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram one of threaded fusion cage described in the embodiment of the present invention;
Fig. 2 is the schematic diagram two of threaded fusion cage described in the embodiment of the present invention;
Fig. 3 is the schematic diagram three of threaded fusion cage described in the embodiment of the present invention;
Fig. 4 is the schematic diagram of rotating mechanism described in the embodiment of the present invention;
Fig. 5 is the profile of rotating mechanism described in the embodiment of the present invention;
Fig. 6 is the schematic diagram of sandwich described in the embodiment of the present invention;
Fig. 7 is the schematic diagram of spiral shell core described in the embodiment of the present invention.
Description of reference numerals:
10, the first elevating lever, the 110, first pivot pin, the 20, second elevating lever, the 210, second pivot pin, 30, Screw rod, 40, upper plate, the 410, first sliding eye, 420, slot to make way, 430, anti-slop serrations, 440, install Hole, 50, lower plate, the 510, second sliding eye, 520, sliding tray, 530, anti-slop serrations, 540, folder torr, 60, the first slide block, the 610, the 3rd pivot pin, the 70, second slide block, the 710, the 4th pivot pin, 80, whirler Structure, 810, spiral shell core, 812, cannelure, 820, sandwich, 822, clip slot, 830, chuck, 840, outer Set, 842, draw-in groove, 850, fixture block, 860, handle, 870, torque force limiting device.
Detailed description of the invention
As shown in Figures 1 to 3, a kind of threaded fusion cage, including first elevating lever the 10, second elevating lever 20, Screw rod 30 and upper plate setting up and down 40 and lower plate 50, the first end of described screw rod 30 is arranged with and its screw thread The first slide block 60 coordinated, the second end of screw rod 30 is arranged with the second slide block 70 with its threaded engagement, institute State first slide block the 60, second slide block 70 to be slidably connected with lower plate 50 respectively, the spiral shell of described screw rod 30 first end Stricture of vagina is contrary with the hand of spiral of screw rod 30 second end, described first slide block 60 and the lower end of the first elevating lever 10 Hinged, described second slide block 70 is hinged with the lower end of the second elevating lever 20, in described first elevating lever 10 The middle part cross-articulation of portion and the second elevating lever 20, described first elevating lever the 10, second elevating lever 20 upper End is slidably connected with upper plate 40 respectively, and the both sides of upper plate 40 described in the present embodiment are equipped with two first cunnings Dynamic hole 410, the upper end of described first elevating lever 10 is provided with the first pivot pin 110, the upper end of the second elevating lever 20 Be provided with the second pivot pin 210, the two ends of described first pivot pin 110, the two ends of the second pivot pin 210 lay respectively at In first sliding eye 410 of its correspondence, it would however also be possible to employ the mode that slide rail coordinates with chute realizes being slidably connected.
By rotate screw rod 30, drive synchronize with the first slide block 60 of its threaded engagement and the second slide block 70 to Centre is drawn close, thus drives first elevating lever 10 hinged with the first slide block 60 hinged with the second slide block 70 The second elevating lever 20 rotate, make the angle between the first elevating lever 10 and the second elevating lever 20 reduce, will Upper plate 40 struts with lower plate 50, so that the distance between upper plate 40 and lower plate 50 increases, rotates backward Screw rod 30, drives that the first slide block 60 is synchronize with the second slide block 70 to be moved laterally, thus drives the first lifting Bar 10 rotates with the second elevating lever 20, makes the angle between the first elevating lever 10 and the second elevating lever 20 increase Greatly, upper plate 40 is drawn close with lower plate 50, so that the distance between upper plate 40 and lower plate 50 reduces, real Existing altitude mixture control, is suitable for the different intervertebral heights of different patient.First elevating lever 10 and the second elevating lever 20 In rotation process, described first pivot pin the 110, second pivot pin 210 is left in the first sliding eye 410 of its correspondence Right slip, plays guide effect.
The both sides of lower plate 50 described in the present embodiment are equipped with two the second sliding eyes 510, described first slide block 60 Being provided with the 3rd pivot pin 610, described second slide block 70 is provided with the 4th pivot pin 710, described 3rd pivot pin 610 Two ends, the two ends of the 4th pivot pin 710 lay respectively in the second corresponding sliding eye 510.First is sliding Block the 60, second slide block 70 is during horizontally slipping, and described 3rd bearing pin, the 4th bearing pin are in its correspondence On the one hand horizontally slip in second sliding eye 510, play the guiding role, on the other hand avoid the first slide block 60, Second slide block 70 separately or is drawn close excessively.The upper surface of described lower plate 50 offers along described screw rod 30 axle To the sliding tray 520 in direction, described first slide block the 60, second slide block 70 is positioned at described sliding tray 520, Described second sliding eye 510 is arranged on the two side of described sliding tray 520, and the first slide block 60, second is sliding Block 70 slides along sliding tray 520, and it is internal to be positioned at lower plate 50, slides more steady.
According to the actual requirements, it is also possible to be not provided with the second sliding eye 510, open in the upper surface of described lower plate 50 Being provided with the holding tank along screw rod 30 axial direction, the two side of described holding tank is provided with the first slide rail or One chute, described first slide block the 60, second slide block 70 is positioned at described holding tank, and described first slide block 60, be equipped with on the second slide block 70 the second chute mated with described first slide rail or with described first chute Second slide rail of coupling, by the first slide rail and the cooperation of the second chute or described first chute and the second slide rail Coordinate, make described first slide block the 60, second slide block 70 be slidably matched with lower plate 50 respectively.
The slot to make way 420 along screw rod 30 axial direction is offered on the lower surface of upper plate 40 described in the present embodiment, Described first sliding eye 410 is arranged on the two side of described slot to make way 420.First sliding eye 410 is set Put on the sidewall of slot to make way 420, not only convenient setting, and make first pivot pin the 110, second pivot pin 210 During lifting, drive upper plate 40 synchronization lifting, move more steady.Slot to make way 420 can also be not provided with, Directly arrange in the both sides, lower end of upper plate 40 and be respectively provided with two hangers, the first sliding eye 410 is opened in and hangs On ear.
The upper surface of described upper plate 40 is provided with anti-slop serrations 430, and the lower surface of lower plate 50 is provided with anti-slop serrations It is further opened with installing hole 440 on 530, and the upper surface of upper plate 40, the lower surface of lower plate 50 is further opened with Installing hole (not shown), conveniently puts into bone-grafting material.
As Fig. 4 is to shown in 7, and described threaded fusion cage also includes rotating mechanism 80, described rotating mechanism 80 Including spiral shell core 810, sandwich 820 and chuck 830, described spiral shell core 810 is connected with one end of screw rod 30, institute State lower plate 50 and be provided with folder torr 540 or the first slide block 60 near spiral shell core 810 near the end face of spiral shell core 810 Outer face be provided with folder torr (not shown), described sandwich 820 be set in spiral shell core 810 outer and with spiral shell core 810 is threaded, and one end of described sandwich 820 is clipped in outside torr 540, and described folder torr 540 and sandwich The surface of 820 contacts is the inclined-plane tilted towards the first slide block 60, and described chuck 830 is set in outside sandwich 820 And threaded with sandwich 820, described chuck 830 rotates towards the first slide block 60 and makes sandwich 820 locking folder torr 540.Rotating spiral shell core 810, driving connected screw rod 30 to rotate, so that threadeding with screw rod 30 First slide block the 60, second slide block 70 mutually draw close along screw rod 30 or separate, before described sandwich 820 End is enclosed within folder torr 540, owing to folder asks 540 surfaces contacted with sandwich 820 for tilt towards the first slide block 60 Inclined-plane, the front end of sandwich 820 offers the clip slot 822 along its axial direction, so chuck 830 is towards first Slide block 60 constantly oppresses the sandwich 820 of clip slot 822 both sides while rotating, make sandwich 820 locking folder torr 540, Spiral shell core 810 rotates relative to sandwich 820, if folder torr is arranged on the first slide block 60, sandwich 820 is then with first Slide block 60 synchronizing moving, if folder torr 540 is arranged in lower plate 50, owing to lower plate 50 maintains static, sandwich 820 relative screw rod 30 not shift positions, are connected with folder torr 540 by arranging sandwich 820, make screw rod 30 exist In rotary course lighter, and make upper plate 40 and lower plate 50 keep fixed position.
Described rotating mechanism 80 also includes overcoat 840 and fixture block 850, and described overcoat 840 is set in described folder Core 820 is outer and is slidably matched with described sandwich 820, and described overcoat 840 offers the card in radially direction Groove 842, the position that described spiral shell core 810 is corresponding with described draw-in groove 842 is provided with cannelure 812, described fixture block 850 It is fastened on described cannelure 812 through draw-in groove 842.Due to be provided with fixture block 850 be stuck in draw-in groove 842 with On cannelure 812, described spiral shell core 810 rotates phase to overcoat 840 rotation, and sandwich 820 can be mutually external Set 840 horizontally slips, and slides steadily, and to adapt to the change of folder torr 540 positions, described sandwich 820 is with outer The core section outer surface overlapping 840 correspondences is polyhedral, in hexahedron shape in the present embodiment, naturally it is also possible to be Other shapes, such as pentahedron, heptahedron etc., the inner surface of described overcoat 840 slides with polyhedral core section Coupling, so arranges, makes the relative overcoat 840 of sandwich 820 can only horizontally slip, without rotating.
Described rotating mechanism 80 also includes handle 860 and the torque force limiting device 870 being arranged on handle 860, Described spiral shell core 810 stretches out described overcoat 840 away from one end of screw rod 30, and spiral shell core 810 is away from screw rod 30 One end is connected with described handle 860.Driving spiral shell core 810 to rotate by rotary handle 860, described torsion limits Device 870 processed is to limit torsion, and console rises dynamics, i.e. when reaching certain dynamics, it is impossible to twisting, Avoid handle 860 to rotate excessively, can be selected for ratchet etc. as torque force limiting device.In the present embodiment, described hands Handle 860 front end is provided with bar-shaped trough, one end that described spiral shell core 810 is connected with handle 860 in described bar-shaped trough The kidney-shaped of coupling, makes spiral shell core 810 link with handle 860, does not relatively rotates.Corresponding, The front end of described spiral shell core 810 also is provided with bar-shaped trough, one end that described screw rod 30 is connected with spiral shell core 810 in spiral shell The kidney-shaped of core 810 front end bar-shaped trough coupling, makes screw rod 30 link with spiral shell core 810, phase does not the most occur To rotation.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended Claim is as the criterion.

Claims (10)

1. a threaded fusion cage, it is characterised in that include the first elevating lever, the second elevating lever, screw rod and Upper plate setting up and down and lower plate, the first end of described screw rod is arranged with the first slide block with its threaded engagement, Second end of screw rod is arranged with the second slide block with its threaded engagement, the screw thread of described screw rod the first end and screw rod The hand of spiral of the second end is contrary, and described first slide block, the second slide block are slidably connected with lower plate respectively, described The lower end of the first slide block and the first elevating lever is hinged, and the lower end of described second slide block and the second elevating lever is hinged, The middle part of described first elevating lever and the middle part cross-articulation of the second elevating lever, described first elevating lever, second The upper end of elevating lever is slidably connected with upper plate respectively.
2. threaded fusion cage as claimed in claim 1, it is characterised in that the both sides of described upper plate are equipped with Two the first sliding eyes, the upper end of described first elevating lever is provided with the first pivot pin, and the upper end of the second elevating lever sets The second pivot pin, the two ends of described first pivot pin, the two ends of the second pivot pin is had to lay respectively at corresponding first In sliding eye, the both sides of described lower plate are equipped with two the second sliding eyes, and described first slide block is provided with the 3rd Pivot pin, described second slide block is provided with the 4th pivot pin, the two ends of described 3rd pivot pin, the two ends of the 4th pivot pin Lay respectively in the second corresponding sliding eye.
3. threaded fusion cage as claimed in claim 2, it is characterised in that the upper surface of described lower plate is offered The sliding tray along described screw rod axial direction, described first slide block, the second slide block is had to be positioned at described sliding tray, Described second sliding eye is arranged on the two side of described sliding tray.
4. threaded fusion cage as claimed in claim 1, it is characterised in that the upper surface of described lower plate is offered Have the holding tank in direction axially along a screw, the two side of described holding tank to be provided with the first slide rail or first to slide Groove, described first slide block, the second slide block are positioned at described holding tank, and described first slide block, the second slide block On be equipped with the second chute mated with described first slide rail or mate with described first chute second sliding Rail.
5. threaded fusion cage as claimed in claim 1, it is characterised in that open on the lower surface of described upper plate Being provided with the slot to make way in direction axially along a screw, described first sliding eye is arranged on the two side of described slot to make way.
6. threaded fusion cage as claimed in claim 1, it is characterised in that the upper surface of described upper plate, under It is equipped with on the lower surface of plate on anti-slop serrations, and the lower surface of the upper surface of upper plate and lower plate and is further opened with installing Hole.
7. the threaded fusion cage as described in any one of claim 1 to 6, it is characterised in that it also includes rotation Rotation mechanism, described rotating mechanism includes that spiral shell core, sandwich and chuck, described spiral shell core are connected with one end of screw rod, Described lower plate is provided with folder torr near the end face of spiral shell core or the outer face near the first slide block of spiral shell core is provided with Folder torr, described sandwich is set in outside spiral shell core and threadeds with spiral shell core, and one end of described sandwich is clipped in outside torr, And the described surface that contacts with sandwich of folder torr is the inclined-plane towards the first slider tilt, described chuck is set in sandwich Outward and threadeding with sandwich, described chuck rotates towards the first slide block and makes sandwich locking folder torr.
8. threaded fusion cage as claimed in claim 7, it is characterised in that outside described rotating mechanism also includes Set and fixture block, it is outer and be slidably matched with described sandwich that described overcoat is set in described sandwich, described outer puts out Being provided with the draw-in groove in radially direction, the position that described spiral shell core is corresponding with described draw-in groove is provided with cannelure, described Fixture block is fastened on described cannelure through draw-in groove.
9. threaded fusion cage as claimed in claim 8, it is characterised in that described rotating mechanism also includes hands Handle and the torque force limiting device being arranged on handle, described spiral shell core stretches out described overcoat away from one end of screw rod, And spiral shell core is connected with described handle away from one end of screw rod.
10. threaded fusion cage as claimed in claim 8, it is characterised in that described sandwich is corresponding with overcoat Core section outer surface be polyhedral, the inner surface of described overcoat and polyhedral core section shiding matching.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107157629A (en) * 2017-06-15 2017-09-15 北京安德思考普商贸有限公司 New vertebrae mixer
CN107854197A (en) * 2017-11-01 2018-03-30 四川大学华西医院 Cervical vertebra interbody fusion cage
CN108871853A (en) * 2018-08-28 2018-11-23 杜鑫 A kind of construction deep soil sampler
CN110141405A (en) * 2019-06-21 2019-08-20 上海长征医院 Upper cervical spine artificial vertebral body and upper cervical spine implanting device
CN110934670A (en) * 2019-12-11 2020-03-31 常州市图尔迈医疗器械有限公司 Intervertebral fusion cage capable of being unfolded at four sides

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102149335A (en) * 2009-07-17 2011-08-10 乌尔里克两合公司 Distraction element for the spinal column
US20120277796A1 (en) * 2008-12-22 2012-11-01 Synthes Usa, Llc Expandable interspinous process spacer
US20120290094A1 (en) * 2002-06-25 2012-11-15 Warsaw Orthopedic, Inc. Minimally invasive expanding spacer and method
WO2013023098A1 (en) * 2011-08-09 2013-02-14 Neuropro Spinal Jaxx Inc. Bone fusion device, apparatus and method
CN203447346U (en) * 2013-08-30 2014-02-26 常州鼎健医疗器械有限公司 Threaded fusion cage
CN204512853U (en) * 2015-02-09 2015-07-29 王姝文 Height of display regulates support
CN105025844A (en) * 2012-12-14 2015-11-04 费瑟特-链接公司 Infinitely vertically adjustable intervertebral fusion implant
EP2992859A1 (en) * 2014-09-02 2016-03-09 FACET-LINK Inc. Continuously adjustable intervertebral implant
CN205107983U (en) * 2015-10-23 2016-03-30 上海锐植医疗器械有限公司 Height -adjustable's interbody fusion cage
CN205758770U (en) * 2016-04-05 2016-12-07 广州爱锘德医疗器械有限公司 Threaded fusion cage

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120290094A1 (en) * 2002-06-25 2012-11-15 Warsaw Orthopedic, Inc. Minimally invasive expanding spacer and method
US20120277796A1 (en) * 2008-12-22 2012-11-01 Synthes Usa, Llc Expandable interspinous process spacer
CN102149335A (en) * 2009-07-17 2011-08-10 乌尔里克两合公司 Distraction element for the spinal column
WO2013023098A1 (en) * 2011-08-09 2013-02-14 Neuropro Spinal Jaxx Inc. Bone fusion device, apparatus and method
CN105025844A (en) * 2012-12-14 2015-11-04 费瑟特-链接公司 Infinitely vertically adjustable intervertebral fusion implant
CN203447346U (en) * 2013-08-30 2014-02-26 常州鼎健医疗器械有限公司 Threaded fusion cage
EP2992859A1 (en) * 2014-09-02 2016-03-09 FACET-LINK Inc. Continuously adjustable intervertebral implant
CN204512853U (en) * 2015-02-09 2015-07-29 王姝文 Height of display regulates support
CN205107983U (en) * 2015-10-23 2016-03-30 上海锐植医疗器械有限公司 Height -adjustable's interbody fusion cage
CN205758770U (en) * 2016-04-05 2016-12-07 广州爱锘德医疗器械有限公司 Threaded fusion cage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107157629A (en) * 2017-06-15 2017-09-15 北京安德思考普商贸有限公司 New vertebrae mixer
CN107854197A (en) * 2017-11-01 2018-03-30 四川大学华西医院 Cervical vertebra interbody fusion cage
CN107854197B (en) * 2017-11-01 2023-08-04 四川大学华西医院 Cervical vertebra interbody fusion cage
CN108871853A (en) * 2018-08-28 2018-11-23 杜鑫 A kind of construction deep soil sampler
CN110141405A (en) * 2019-06-21 2019-08-20 上海长征医院 Upper cervical spine artificial vertebral body and upper cervical spine implanting device
CN110934670A (en) * 2019-12-11 2020-03-31 常州市图尔迈医疗器械有限公司 Intervertebral fusion cage capable of being unfolded at four sides

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