CN106510834A - Installation tool for pedicle fixation system - Google Patents
Installation tool for pedicle fixation system Download PDFInfo
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- CN106510834A CN106510834A CN201611035518.4A CN201611035518A CN106510834A CN 106510834 A CN106510834 A CN 106510834A CN 201611035518 A CN201611035518 A CN 201611035518A CN 106510834 A CN106510834 A CN 106510834A
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- return
- piece
- pedicle
- central canal
- vertebral arch
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
- A61B17/7082—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed screws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B2017/922—Devices for impaction, impact element
- A61B2017/924—Impact element driving means
- A61B2017/925—Impact element driving means a spring
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to an installation tool for a pedicle fixation system. The installation tool for the pedicle fixation system comprises a central tube, a lifting component and a handle. The lifting component sleeves the central tube through a lifting sleeve, can move up and down relatively to the central tube along the axial direction of the central tube, and is stopped by a return stopping device of the lifting component when the lifting component moves downwards, the return stopping device further has a function of manually releasing return stopping, and when the central tube is used, the central tube can be arranged on a connection rod through the lower end of the central tube in down pressing mode, and the central tube and the connection rod limit each other in the circumferential direction. The lifting sleeve is provided with a limiting portion which can limit tails of all propping pieces so as to fold the tails of all the propping pieces together when the lifting sleeve is used. The handle is fixedly arranged at the upper end of the central tube when the handle is used. When an operating person holds the handle in hands and rotates the handle, the operating person can effectively and directly rotate and position a pedicle fixation unit to a needed portion by rotating the connection rod, and then rotates a pedicle screw in place, and therefore operating steps are greatly simplified, and a series of problems in installation of the pedicle fixation system can be effectively solved.
Description
Technical field
The present invention relates to technical field of medical instruments, especially a kind of pedicle of vertebral arch fixed system installation tool.
Background technology
Pedicle of vertebral arch fixed system（Fixed system is can be also simply referred to as below）Generally it is made up of multiple pedicle of vertebral arch fixed cells, often
Individual pedicle of vertebral arch fixed cell includes pedicle screw, trim ring, bearing, pitman and housing screw.The bottom of bearing is provided with through hole,
Bearing also has side leg position, and side leg position is provided with female thread and with 2 side lower limbs being oppositely arranged, forms U between 2 side lower limbs
Shape passage.The top of trim ring is provided with U-lag, and trim ring is buckled in the head of pedicle screw by its underpart from top set, and both is tight
Contiguity is touched.Pedicle screw is passed through the through hole of bearing bottom from the top down by its afterbody, and its head is limited in the through hole, this
When the U-lag of trim ring and the U of bearing arranges along same direction, and the U-lag of trim ring is positioned at the U of bearing
In.Pitman is engaged with the U of bearing and with the U-lag of trim ring.
When carrying out pedicle screw to screw in the operation of pedicle of vertebral arch, pedicle screw is compressed by trim ring above,
And the compacted screw in compression of trim ring, such that it is able to complete the operation in the screw-in pedicle of vertebral arch by pedicle screw.Then then to
It is fixed the adjustment of system.Before adjustment, need pitman is arranged between the pedicle of vertebral arch fixed cell of adjacent 2, or
It is between the pedicle of vertebral arch fixed cell of adjacent 3.Specifically installation method is：After screwing off housing screw, by one of pitman
In the U-lag of the U of the embedded bearing in termination and trim ring, then screw on and screw housing screw, so as to by trim ring incite somebody to action
The head of underlying pedicle screw is pressed on bearing.The other end of pitman is embedded in into other adjacent pedicle of vertebral arch solid
Order unit bearing U in and be fixed on another bearing in the same way so that adjacent 2
Pedicle of vertebral arch fixed cell is mutually permanently connected.As needed can also by it is a pitman adjacent successively with 3 and be located at one
Three pedicle of vertebral arch fixed cells on straight line are connected.Then the adjustment of whole fixed system can be carried out, until adjustment is completed.
Above-mentioned pedicle screw Internal fixation technology is a kind of highly developed spine surgical technique, is widely used in ridge
The treatment of the spinal traumas such as spinous process of the seventh cervical vertebra folding, scoliosis and spondylolishesises and degenerative disorders.It is fixed in traditional pedicle screw
Technology needs to carry out open posterior approach, although corrected deformity of spine well, maintains the stability of spinal column, but by
Extensive tissue dissection long-time drawing surrounding tissue being needed in operation process, causing operation wound big, intraoperative blood loss is more.
Meanwhile, excessive drawing and the destruction in operation process to paraspinal muscle, and lower back muscle ischemic necrosis and fibrosiss are made, so as to lead
Pathogenic people is postoperative to be unable to early ambulation because of chronic low back pain, postoperative to need long-term bed so that complication rate
Substantially increase.
Minimally Invasive Surgery can implement handss using modern medical equipments such as endoscopies in human body in less wound environment
Art, the superiority little with wound, pain is light, recovery is fast.By with reference to pedicle screw Internal fixation technology and minimally invasive handss
Art, those skilled in the art have developed spinal column Percutaneous fixation technology, successfully solve solid in conventional spinal pedicle screw
Determine that operative incision in technology is big, muscle peels off that many, bleeding is more, the destruction of way of escape rock-steady structure greatly, the rehabilitation deficiency such as slowly.But, by
Need to carry out by Minimally Invasive Surgery in spinal column Percutaneous fixation technology, during operation, the operator visual field is not good, causes
Operation technique is complicated, and operating time is longer, the problems such as difficulty is big.
In order to solve the above problems, generate the setting on the bearing of pedicle of vertebral arch fixed system and strut piece to ensure Surgery
Position is all exposed to the technology in the visual field, struts the use of piece so that operator, can be by the outside of vertebra in operation
Tissue outwards pushed open by piece is strutted, such that it is able to easily be attached the replacing and adjustment etc. of whole fixed system of rod.
But it is existing when strutting piece and being fixedly connected with bearing, it is arranged on or needing will to strut piece using special apparatus when fixed
On seat, or being directly plugged on the top of the side leg position of bearing, the former because using special apparatus will strut piece be arranged on
Greatly inconvenient and troublesome poeration can be brought to operation when on seat, although operative site can be fully exposed to regard by the latter
In wild, but directly the situation for strutting piece and being plugged on bearing afterbody is easily come off in operation process, be unfavorable for performing the operation is suitable
Profit is carried out.
Chinese patent literature CN204931830U discloses a kind of pedicle of vertebral arch fixed system, and the system is " including bearing and support
Hacking, bearing afterbody have two symmetrically arranged side lower limbs, strut piece include it is integrally formed strut piece main body and union joint, even
Joint is detachably fixed with side lower limb and is connected, and the side lower limb offers a fixing groove, and the union joint struts leaf length with an edge
The chute in direction, shape and the side lower limb mating shapes of the chute, coordinates, will strut with fixing groove with one in the chute
The projection that piece is fixed with bearing "." when side lower limb is during slide, chute can produce Light deformation in the presence of projection, when
When side lower limb slides into extreme position, projection is just fastened in fixing groove, easy for installation, and effectively prevent strut piece from
Come off on seat ".
But, the above-mentioned piece that will be strutted with the pedicle of vertebral arch fixed system for strutting piece when mounted, typically is first arranged on vertebra
On nut bearing, pedicles are arranged in the lump with piece is strutted.If will strut piece simply closes up installation, it is unfavorable for rot
Tool is so that pedicle screw to be fixed.Installed if will first strut piece and strut again, because sight line is affected by piece is strutted, operation can be caused
Otch it is inaccurate.If otch is excessive, unnecessary damage is caused to patient；If otch is too small, pedicle screw is being installed
When, strut sector-meeting and shearing is produced to the tissue of incision periphery.Therefore, the installation with the pedicle of vertebral arch fixed system for strutting piece, according to
It is so huge difficult problem that this area doctor faces.
The content of the invention
In order to solve existing the problems referred to above, the invention provides a kind of pedicle of vertebral arch fixed system installation tool, during use both
Pedicle of vertebral arch fixed system can be successfully installed, effectively can avoid again strutting interference of the piece to installation process, efficiently solve band support
The installation question of the pedicle of vertebral arch fixed system of hacking.
The technical solution adopted for the present invention to solve the technical problems is：The pedicle of vertebral arch fixed system of the present invention uses erector
Tool, struts piece including 2.Which is structurally characterized in that：Also include central canal, lifting component and handle.Lifting component includes lifting set
Cylinder and check device；Lift during use component by its lift sleeve be set on central canal, and can be relative to central canal at center
The middle and upper part of pipe is moved up and down along central canal axis direction, and downward along central canal axis direction in lifting sleeve by check device
Stopped when mobile；Check device also has the function of releasing non-return manually；The central canal can be by its bottom when using
Position press-down type is arranged on the pitman of pedicle of vertebral arch fixed system and mutually spacing in the circumferential, and enables central canal and vertebral arch
Root fixed system is together rotated；The lifting sleeve can carry out when being provided with use spacing corresponding to each afterbody for strutting piece
Limiting section, and each strut the corresponding side that piece can press close to the left and right sides of centrally disposed pipe when in use, each struts piece
Lower end be the position that can be fixedly connected on a corresponding side lower limb of bearing when using.The handle using when be fixedly installed on
On the upper end of central canal.When pedicle screw is fixed using the above-mentioned installation tool of the present invention, the afterbody quilt of its support chip
Draw in lifting component, so as to being conducive to operator's holding handle or while holding handle and lifting sleeve and will pacify
Holding tool is pushed down pitman and pedicle of vertebral arch fixed cell is adjusted to suitable location, and more easily can lead to pedicle screw
Cross installation tool to screw in pedicle of vertebral arch, significantly reduce the working strength of operator, reduce workload.
Before and after the lower end part of the central canal, side plate is provided with a pair of arc-shaped slots, namely central canal leads to when in use
Cross this pair of arc-shaped slot to block pitman and realize and pitman in the circumferential mutual spacing.The handle is quality of rubber materials
Knob；During use, knob tight fit is set on the upper end of central canal.Due to arranging arc in the lower end of central canal
Shape draw-in groove and as the operating position to fixed cell, and can effectively directly to will be pedicle of vertebral arch solid by rotating pitman
The rotational positioning of order unit is to desired area.Handle is arranged into globulate simultaneously and quality of rubber materials is adopted, would be even more beneficial to what is operated
Carry out.
The lifting component includes lifting sleeve and 2 check devices；Every side of side sets central canal before and after top wherein
There is a stop part；It is described lifting component using when by its lift sleeve be set on central canal, and lift component use when by
Its lifting sleeve is moved along central canal axis direction in the middle and upper part of central canal relative to central canal；The left and right of the lifting sleeve
Every side of both sides is provided with can carry out spacing limiting section to the corresponding a piece of afterbody for strutting piece；When described each check device is used
Be arranged on lifting sleeve before and after side corresponding side on, and can under the collective effect of the corresponding stop part of central canal,
When lifting sleeve is moved along central canal axis direction, which is prevented to move down.Arrange 2 check devices to be conducive to increasing lifting
Stability when sleeve is moved relative to central canal.Such setting can be more beneficial for operator in operation process according to need
The upper-lower position for adjusting lifting sleeve is sought, facilitates operation technique.
The stop part of the middle and upper part of the central canal is on the plate body of side plate in front and back of centrally disposed pipe, positioned at plate body
Middle and upper part and some non-return teeth towards outside；Each check device includes non-return piece, rotating shaft and elastic mechanism；Lifting set
Before and after cylinder, side is respectively provided with a non-return groove portion；Each non-return groove portion of lifting sleeve is provided with corresponding stop-return slot；Rotating shaft is arranged
In a corresponding non-return groove portion of lifting sleeve, non-return piece is enclosed within rotating shaft and in the stop-return slot of the non-return groove portion,
The non-return piece lower end has the latch that can be meshed with non-return teeth when using；Elastic mechanism is arranged on non-return piece, or
Simultaneously be arranged in non-return piece and rotating shaft, and elastic mechanism caused by its spring energy when in use the latch of non-return piece with it is corresponding
Non-return teeth Elastic Meshing.This set causes the work of check device more reliable and easy to operate.
The elastic mechanism is to be arranged on non-return piece and positioned at the compression spring on non-return piece top, or elastic mechanism is
Torsion spring on being arranged on non-return piece and rotating shaft.This set causes the work of check device more reliable and easy to operate.
In each non-return groove portion of described lifting sleeve, a barrier plate for being located at stop-return slot top is equipped with, and should
Barrier plate is corresponding with the top of corresponding non-return piece.This set causes the work of check device more reliable and operation letter
Just.
Described elastic mechanism is the compression spring being arranged on non-return piece, and it is spacing that the upper end end of non-return piece is provided with one
Block.This set is when check device is installed, relatively simple and quick.
The limiting section of every side of the left and right sides of the lifting sleeve is the 1-2 for being arranged on the lifting sleeve left and right sides per side
Individual positioning convex and the locating groove arranged around positioning convex.This set is conducive to strutting the quick positioning of piece.
The lifting component also includes outer sleeve；The outer sleeve is provided with 2 action panes；Outer sleeve using when be enclosed within and carry
Help pull a cart on cylinder, and each of which action pane is directed at the non-return piece of a corresponding check device, and non-return piece is in its latch and phase
In the state of the non-return teeth Elastic Meshing answered, the top of non-return piece in action pane, so as to now action pane can be
The top of non-return piece is carried out in circumference spacing.It is spacing that setting outer sleeve is conducive to the radial outside to strutting piece to carry out, and arranges
Operation window is conducive to operating check device by the window.
Every side of the left and right sides of the lifting sleeve is equipped with a drawing ear for being located at bottom, and two are drawn ear symmetrically to set
Put, and each draws ear to be easy to the hollow passageway for running through up and down that the afterbody for strutting piece is passed through when being provided with use.Arranging drawing ear can
Operated with facilitating operator to grip lifting component by handss accordingly.
Described 2 strut piece be shape just as integrated through injection molding part or titanium alloy integral piece.The piece that struts includes
Strut piece main body, union joint, strut piece afterbody（Can be also simply referred to as afterbody）And projection.Union joint, strut piece main body and strut piece
Afterbody is sequentially connected.Strut piece main body together with strut piece afterbody be in-line tabular.Union joint is divided into front limit portion, connection
Plate and rear limiting section.End on the outside of the direction of the left and right end face for being symmetricly set on connecting plate before and after front limit portion and rear limit part
Both sides before and after face, and two chutes being oppositely arranged are formed, chute before being formed wherein between front limit portion and connecting plate, connection
Chute after then being formed between plate and rear limiting section.Projection is arranged and is connected on connecting plate, and is stretched towards the direction for arranging chute
Go out.During use, each strut piece be connected through the side lower limb epimere of head and a corresponding side lower limb in the left and right sides lower limb of bearing according to
Removable plug fixed form is fixedly connected.Piece main body will be strutted together with the tabular for strutting piece afterbody and being set to in-line, can
Piece is strutted by be oppositely arranged 2 using dilator strutted to facilitate, and meet required a certain degree of when strutting
Elastic deformation.
The above-mentioned piece main body that struts is provided with some location holes, and location hole is waist round hole, the long axis direction of waist round hole with strut
The length direction of piece is consistent.The particular number of location hole is 3-6, preferably 4.The design of location hole, effectively can solve
Certainly in the problem of operation process support hacking location difficulty；And location hole selects waist round hole, position can be strutted strut piece
After fixation, the amplitude that struts for strutting piece is finely adjusted by waist round hole, with the operation for adapting to perform the operation, further enhancing and strut
The suitability of piece.Two panels struts piece and preferably struts piece using shape and material identical, so as to the carrying out for being more beneficial for operating.
The invention has the beneficial effects as follows：The present invention provide a kind of pedicle of vertebral arch fixed system installation tool, can first by
The piece that struts of pedicle of vertebral arch fixed system is closed up using sleeve and lifting component, while central canal and lifting component are coordinated with pitman
The installation tool of pedicle of vertebral arch fixed system is formed, pedicle of vertebral arch fixed system can be successfully installed, can effectively be avoided strutting piece again
Interference to installation process.Simultaneously during installation operation, operator are set on the upper end of central canal by tight fit
Knob and by the use of the lower end of central canal arrange arc-shaped slot and as the operating position to fixed cell, can be effective
And directly to by rotate pitman and by pedicle of vertebral arch fixed cell rotational positioning to desired area；Reduce the work of operator
Measure.Handle is arranged into globulate simultaneously and quality of rubber materials is adopted, the carrying out for operating is would be even more beneficial to；To sum up arranging can be effective
Solve the installation question that band struts the pedicle of vertebral arch fixed system of piece.
Description of the drawings
Fig. 1 is that the installation tool of the present invention is used for installing the schematic diagram of pedicle of vertebral arch fixed system, and the schematic diagram is according to residing
Drawing position difference, be divided into left figure, middle figure and right figure.Wherein middle figure is that the installation tool of the present invention is used for installing pedicle of vertebral arch
The schematic perspective view of fixed system, left figure are that the top of middle figure is drawn a circle the close-up schematic view at position, and right figure is then middle figure
The close-up schematic view at the position of drawing a circle of bottom.
Fig. 2 is the perspective exploded view of Fig. 1.
Fig. 3 is the perspective exploded view for lifting sleeve and check device in Fig. 2, and view direction is relative to Fig. 2 rotations
90 degree are turned.
Fig. 4 is the schematic perspective view of central canal in Fig. 2.
Fig. 5 is a piece of schematic perspective view for strutting piece positioned at right side in Fig. 2.
Fig. 6 is that the bearing of the pedicle of vertebral arch fixed system in Fig. 1 struts piece with 2 of the installation tool of the present invention and cooperates
The assembling schematic diagram for using.
Reference in above-mentioned accompanying drawing is as follows：
Piece 1 is strutted, piece main body 11 is strutted, union joint 12, front limit portion 12-1, connecting plate 12-2, rear limiting section 12-3 strut piece
Afterbody 13, projection 14, location hole 15, fixing hole 16, chute 17, front chute 17-1, rear chute 17-2, bearing 2, side lower limb 21, side
Lower limb epimere 21-1, side lower limb hypomere 21-2, fixing groove 22, fracture 23, central canal 3, arc-shaped slot 31, non-return teeth 32, front side
Plate 33, pitman 41, housing screw 42, pedicle screw 43, trim ring 44, lifting sleeve 5, drawing ear 51, hollow passageway 52, only
Return-enclosure 53, locating groove 54, positioning convex 55, barrier plate 56, shaft hole 57, compression spring hole 58, outer sleeve 6, action pane 61, only
Return piece 71, latch 71-1, limited block 71-2, rotating shaft 72, mounting post 73, knob 8.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.These accompanying drawings are simplified signal
Figure, only illustrates the basic structure of the present invention in a schematic way, therefore which only shows the composition relevant with the present invention.
（Embodiment 1）
See Fig. 1 and Fig. 2, the pedicle of vertebral arch fixed system of the present embodiment is included with installation tool：Central canal 3, lifting component, spherical
Handss 8 and 2 strut piece 1.
Still see Fig. 1 and Fig. 2, lifting component using when can be set on central canal 3, and can be relative to central canal 3 at center
Move along 3 axis direction of central canal the middle and upper part of pipe 3.The central canal 3 can be arranged on vertebral arch by its lower end press-down type when using
It is on the pitman 41 of root fixed system and mutually spacing in the circumferential, and enable central canal 3 with pedicle of vertebral arch fixed system together
Rotate.The afterbody 13 that the lifting component can strut piece 1 when being provided with use to each carries out spacing corresponding limiting section, and respectively
Piece struts the corresponding side that piece 1 can press close to the left and right sides of centrally disposed pipe 3 when in use, and each lower end for strutting piece 1 is
The position that can be fixedly connected on during use on a corresponding side lower limb 21 of bearing 2.Integral piece of the knob 8 for quality of rubber materials.
When knob 8 is used, tight fit is set on the upper end of central canal 3.
See Fig. 4, central canal 3 is steel integral piece, is provided with lower end part and 2 stop parts.Before and after the lower end part
Side plate is provided with a pair of arc-shaped slots 31, namely central canal 3 pitman 41 is blocked by this pair of arc-shaped slot 31 when in use and
Realize and in the circumferential mutual spacing of pitman 41（Fig. 1）.Before each stop part of the central canal 3 is arranged on its body
On corresponding one piece of plate body of rear side, namely corresponding a piece of the side plate in front and back that each described stop part is centrally disposed pipe 3
On plate body, positioned at the middle and upper part of the plate body and towards some non-return teeth 32 in outside.
See Fig. 3, the lifting component includes lifting sleeve 5, outer sleeve 6 and 2 check devices.See Fig. 1, lifting component makes
Used time lifts sleeve 5 by which and is set on central canal 3, and is existed relative to central canal 3 by its lifting sleeve 5 when lifting component use
Move along 3 axis direction of central canal the middle and upper part of central canal 3.Described each check device using when be arranged on lifting sleeve 5
In front and back on the corresponding side of side, and can be under the collective effect of the corresponding stop part of central canal 3, in lifting sleeve 5 in
When 3 axis direction of heart pipe is moved, which is prevented to move down.
See Fig. 1 and Fig. 3, the lifting sleeve 5 of the lifting component is integrated through injection molding part, be provided with central part, 2 limiting sections, 2
Individual non-return groove portion, 2 drawing ears 51 and 2 pieces of barrier plates 56.The central part of lifting sleeve 5 is provided with center through hole, lifting set during use
Cylinder 5 is set on central canal 3 by its center through hole.The left and right sides in the described centrally located portion of 2 limiting sections, and the limit per side
Position portion using when the corresponding a piece of afterbody 13 for strutting piece 1 can be carried out it is spacing.The limiting section of every side of the described left and right sides is
It is arranged on 2 positioning convex 55 of the corresponding side in 5 left and right sides of lifting sleeve and the positioning arranged around the positioning convex 55
Draw-in groove 54.2 described non-return groove locations both sides before and after central part, and the non-return groove portion per side is equipped with corresponding non-return
Groove 53.Described 2 draw the left and right sides in 51 centrally located portion of ear, and positioned at the lower section of corresponding positioning convex 55, two drawings
Ear 51 is symmetrical arranged, and each running through up and down of drawing that ear 51 is easy to that the afterbody 13 for strutting piece 1 passes through when being provided with use is hollow
Passage 52.Every piece of barrier plate 56 of 2 pieces of described barrier plates 56 is located at the top of the stop-return slot 53 of corresponding non-return groove portion.Per block
Barrier plate 56 is provided with a compression spring hole 58.Each non-return groove portion of lifting sleeve 5 is also respectively provided with 2 along left and right to turning for arranging
Axis hole 57, and the axis of 2 shaft holes is on same straight line.
Still see Fig. 1 and Fig. 3,2 check devices of the lifting component each include non-return piece 71, rotating shaft 72,
Spring mounting post 73 and elastic mechanism.Non-return piece 71 is integrated through injection molding part, and rotating shaft 72 and spring mounting post 73 are steel one
Part, elastic mechanism are steel compression spring.Rotating shaft 72 is arranged in a corresponding non-return groove portion of lifting sleeve 5, and passes through phase
The shaft hole 57 answered.Non-return piece 71 is enclosed within rotating shaft 72 by its underpart, and non-return piece 71 is located at the stop-return slot of the non-return groove portion
In 52.71 lower end of non-return piece has the latch 71-1 that can be meshed with non-return teeth 32 when using.Spring mounting post 73 is made
It is arranged on non-return piece 71 in non-return 71 injection mo(u)lding of piece for inserts.Elastic mechanism is arranged on non-return piece 71, the present embodiment
In, it is fixed in spring mounting post 73 by its one end as the compression spring of elastic mechanism, the other end of compression spring is then passed through
The spring eye of corresponding barrier plate 56 and the mutual elastic connecting of corresponding one block of side plate to side plate before and after central canal 3 when in use
Touch, in the presence of elastic force cause non-return piece 71 top forward rear side outside side stretch out so that non-return piece 71
32 Elastic Meshings of non-return teeth corresponding with central canal 3 of the latch 71-1 positioned at lower end.
See Fig. 1 and Fig. 2, the outer sleeve 6 of the lifting component is integrated through injection molding part.The outer sleeve 6 is provided with 2 operation windows
Mouth 61.Outer sleeve 6 is enclosed within when using on lifting sleeve 5, and each of which action pane 61 is directed at stopping for a corresponding check device
Return piece 71, and non-return piece 71 in its latch 71-1 with the state of corresponding 32 Elastic Meshing of non-return teeth, its top is in
In action pane 61, so as to now action pane 61 in the circumferential the top of non-return piece 71 can be carried out it is spacing.
See Fig. 5 and Fig. 6, described 2 strut piece 1 be shape just as integrated through injection molding part or by titanium alloy material Jing
Cross the titanium alloy integral piece of 3D printer printing shaping.The piece 1 that struts includes strutting piece main body 11, union joint 12, struts piece
Afterbody 13（Can be also simply referred to as afterbody 13）With projection 14.Union joint 12, strut piece main body 11 and strut piece afterbody 13 and be sequentially connected.
Union joint 12 includes front limit portion 12-1, connecting plate 12-2 and rear limiting section 12-3.Front limit portion 12-1 and rear limiting section 12-3
Both sides before and after an end face on the outside of the direction of the front/rear end for being symmetricly set on connecting plate 12-2 before and after point, and form two
Chute 17-1 before being formed between the chute 17 being oppositely arranged, wherein front limit portion 12-1 and connecting plate 12-2, connecting plate 12-2 with
Chute 17-2 after then being formed between limiting section 12-3 afterwards.Projection 14 is arranged and is connected on connecting plate 12-2, and is slided towards arranging
Stretch out in the direction of groove 17.During use, each struts piece 1 and is connected through 12 side corresponding to the left and right sides lower limb of bearing 2
The side lower limb epimere 21-1 of lower limb 21 is fixedly connected according to removable plug fixed form.
See Fig. 5, strut piece main body 11 and be provided with some location holes 15, location hole 15 is waist round hole, the major axis side of waist round hole
To consistent with the length direction for strutting piece 1.The particular number of location hole 15 is 3-6.It is preferably 4 in the present embodiment.It is fixed
The design in position hole 15, effectively can solve the problems, such as in operation process support hacking location difficulty；And location hole 15 selects waist
Circular hole, can strut the strutting after position fixes of piece 1, the amplitude that struts for strutting piece 1 is being finely adjusted by waist round hole, with suitable
The operation that should be performed the operation, further enhancing the suitability for strutting piece 1.
（Application examples 1）
See Fig. 1 to Fig. 6, should use-case using the installation tool described in embodiment 1, and by installation tool and pedicle of vertebral arch fixed system
Link together.
Should the pedicle of vertebral arch fixed system of use-case include multiple pedicle of vertebral arch fixed cells.As depicted in figs. 1 and 2, each vertebra
Nut fixed cell includes pedicle screw 43, trim ring 44, bearing 2, pitman 41 and housing screw 42.The bottom of bearing 2 sets
There is through hole, bearing 2 also has side leg position, and side leg position is provided with female thread and with 2 side lower limbs being oppositely arranged, 21,2 sides
U is formed between lower limb 21.The top of trim ring 44 is provided with U-lag, and trim ring 44 is buckled in pedicle of vertebral arch screw by its underpart from top set
The head of nail 43, both are in close contact.Pedicle screw 43 is passed through the through hole of 2 bottom of bearing from the top down by its afterbody, and
Its head is limited in the through hole, and now the U-lag of trim ring 44 is arranged along same direction with the U of bearing 2, and is pressed
The U-lag of circle 44 is located in the U of bearing 2.U-lag phase of the pitman 41 with the U of bearing 2 and with trim ring 44
Coordinate.For the pitman 41 for staying in the body, U and pressure of the pitman 41 by the embedded bearing 2 in one termination
The head of underlying pedicle screw 43 can be compressed in the U-lag of circle 44.Housing screw 42 is screwed in the side of bearing 2
On the female thread of leg position, pitman pressed from above 41, so that compress pedicle screw 43.The other end of pitman 41 is embedded in
In the U groove of the bearing of other adjacent pedicle of vertebral arch fixed cells and it is fixed on another bearing, so that
2 adjacent pedicle of vertebral arch fixed cells are mutually permanently connected.Remaining adjacent pedicle of vertebral arch of whole pedicle of vertebral arch fixed system fixes single
Connection between unit can also be that a pitman is adjacent successively with 3 and three vertebral arch on straight line as needed
Root fixed cell is connected.During for screwing in pedicle screw 43 after drilling in pedicle of vertebral arch, the pitman 41 for now being adopted
Length is shorter, and is only fixedly connected on a bearing 2, so as to facilitate pedicle screw 43 to screw in installation tool is rotated
In pedicle of vertebral arch.
When installation tool and above-mentioned pedicle of vertebral arch fixed cell obtained by embodiment 1 is operated jointly, first complete
The assembling of installation tool, then the connection of installation tool and pedicle of vertebral arch fixed cell is carried out, then carry out consolidating for pedicle of vertebral arch fixed cell
Fixed to operate, until the operation technique of whole pedicle of vertebral arch fixed system is completed, which specifically has main steps that：
First, by each check device be arranged on lifting sleeve 5 a corresponding non-return groove portion, also will compression spring one end
It is enclosed within and is fixed in the mounting post 73 on 71 top of non-return piece, and so that the other end of compression spring stretches into the compression spring hole of barrier plate 56
In 58, and so that the one side in the outside of side is led to positioned at the central authorities of lifting sleeve 5 before and after the direction of the limited block 71-2 of non-return piece 71
The inwall towards central axis in hole is relative, so as to non-return piece 71 is positioned at corresponding stop-return slot 53 by compression spring.
Rotating shaft 72 is sequentially passed through a shaft hole 57, the corresponding installing hole of 71 bottom of non-return piece and the non-return groove portion of non-return groove portion again
Another shaft hole 57, so as to by check device be arranged on lifting sleeve 5 on.Rotating shaft 72 is being passed through into 71 bottom of non-return piece
During installing hole, non-return piece 71 is moved downwardly a small distance relative to stop-return slot 53, and causes the limited block 71- of non-return piece 71
2 enter in stop-return slot 53.Above-mentioned this mounting means causes the installation of check device more convenient quick.
Second, the every a piece of of piece 1 is strutted by 2, by its afterbody 13 from bottom to top through the sky of the drawing ear 51 of lifting sleeve 5
After heart passage 52, stretch in the locating groove 54 of lifting sleeve 5, and be enclosed within the convex of lifting sleeve 5 by its 2 fixing holes 16
Rise on 55.
3rd, outer sleeve 6 is enclosed within lifting sleeve 5, and causes each action pane 61 of outer sleeve 6 to be directed at corresponding one
Individual non-return piece 71, and 2 now strut the afterbody 13 of piece 1 and are also respectively positioned in outer sleeve 6.
4th, knob 8 is enclosed within the upper end of central canal 3, then central canal 3 is worn from top to bottom by its lower end
Cross the center through hole of lifting sleeve 5, and its be provided with non-return teeth 32 before and after both sides and lifting sleeve 5 be provided with stop-return slot 53
Both sides are corresponding in front and back.In the insertion lifting sleeve 5 of central canal 3, its latch of front side board 33 and back side panel with non-return piece 71
71-1 Elastic Contacts simultaneously outwards push latch 71-1 open, until central canal 3 reaches the desired position relative to lifting sleeve 5.This
When, in the presence of compression spring, when central canal 3 will be moved up relative to lifting sleeve 5, then due to the latch of non-return piece 71
The lower surface of 71-1 is contacted with the end face upward of the non-return teeth 32 of central canal 3 and spacing, is stopped so as to be stuck
Return.At this time, it may be necessary to people presses the top of non-return piece 71 with finger ecto-entad so that the lower surface of latch 71-1 and central canal
The upper surface of 3 non-return teeth 32 disengages, and could move up central canal 3.Such that it is able to central canal 3 relative to carrying
The help pull a cart position of cylinder 5 is adjusted.
5th, when adjust central canal 3 relative to lifting sleeve 5 position in place when, you can carry out pedicle of vertebral arch fixed cell
With the connection of installation tool.See Fig. 6,21 points of each side lower limb of the bearing 2 is side lower limb epimere 21-1 and side lower limb hypomere 21-2, often
Fixing groove 22 is equipped with individual side lower limb epimere 21-1, and is provided with for fractureing between side lower limb epimere 21-1 and side lower limb hypomere 21-2
Fracture 23.
When piece 1 is strutted on bearing 2, central canal 3 is directed at into fixed system from the top down by its arc-shaped slot 31
Pitman, and blocked.Then the front limit portion 12-1 and rear limiting section 12-3 cards on the union joint 12 of piece 1 is strutted by each
The live in side lower limb epimere 21-1 of a corresponding side lower limb 21, so that each struts piece 1 and is enclosed within a corresponding side by its union joint 12
On lower limb 21, and inserted by the projection 14 for strutting piece 1 in the fixing groove 22 of corresponding side lower limb epimere 21-1 of bearing 2, so as to incite somebody to action
Strut on the side lower limb epimere 21-1 of the corresponding side lower limb 21 that piece 1 is fixed on bearing 2.
It is enclosed within by the chute 17 of its both sides on corresponding side lower limb epimere 21-1 and along side lower limb epimere when each struts piece 1
The both sides of 21-1 slide down to projection 14 insertion fixing groove 22 in when, projection 14 can form certain deformation, in projection 14
In the presence of the elastic force produced because of deformation so that strut piece 1 and move to extreme position relative to side lower limb 21.The company of union joint 12
The thickness of slab of fishplate bar 12-2 is relatively thin, between 1-3 mm, and the resilient material of tool of material selection, such as plastics etc., completely can be with
The problems of existing pedicle of vertebral arch fixed system is solved, and it is easy to use.6th, carrying out consolidating for pedicle screw 43
When operating surely, operator hold knob 8 with the right hand, and left hand holds the drawing ear 51 and outer sleeve 6 of lifting sleeve 5, and
Adjust position of the lifting sleeve 5 relative to central canal 3 by operating check device, rotate down knob 8 and by pacifying
Holding tool will be screwed in after pedicle of vertebral arch positioned at the pedicle screw 43 strutted below piece 1, is removed in spherical handle 8 successively
Heart pipe 3 and outer sleeve 6, then the afterbody 13 for strutting piece 1 is disengaged and is lifted being located by connecting for sleeve 5, such that it is able to lifting is covered
The check device carried together with which by cylinder 5 is removed, and now can use dilator to support 2 be oppositely arranged on bearing 2
Hacking 1 struts distance each other.Selection on position can be carried out by oval location hole 15 during strutting.Then,
Longer pitman 41 needed for can be replaced by shorter pitman 41, and carry out in the preferable visual field and opereating specification
The adjustment of pedicle of vertebral arch fixed system, until adjustment is completed.
7th, fractureed at the fracture 23 of bearing 2 the side lower limb epimere 21 of bearing 2 with fracturer, so as to together with strutting piece 1
Together remove from operative site, then carry out suturing etc. subsequent operation and complete operation.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various change and modification can be carried out in the range of without departing from this invention technological thought entirely.The technology of this invention
Property scope is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (10)
1. a kind of pedicle of vertebral arch fixed system installation tool, struts piece including 2（1）；It is characterized in that：Also include central canal
（3）, lifting component and handle；Lifting component includes lifting sleeve（5）And check device；Component is lifted during use by its lifting set
Cylinder（5）It is set in central canal（3）It is upper, and can be relative to central canal（3）Along central canal（3）Axis direction is moved up and down, and by only
Return device is in lifting sleeve（5）Along central canal（3）Stopped when axis direction is moved down；Check device also has solution manually
Except the function of non-return；The central canal（3）The company of pedicle of vertebral arch fixed system can be arranged on during use by its lower end part press-down type
Take over the baton（41）It is upper and mutually spacing in the circumferential, and cause central canal（3）Can together rotate with pedicle of vertebral arch fixed system；It is described to carry
Help pull a cart cylinder（5）Piece can be strutted to each when being provided with use（1）Afterbody（13）Carry out spacing corresponding limiting section, and each support
Hacking（1）Centrally disposed pipe can be pressed close to when in use（3）Left and right sides corresponding side, each struts piece（1）Lower end
Bearing can be fixedly connected on when being and using（2）A corresponding side lower limb（21）On position；The handle using when be fixedly installed
In central canal（3）Upper end on.
2. pedicle of vertebral arch fixed system installation tool as claimed in claim 1, it is characterised in that：The central canal（3）Under
Before and after the position of end, side plate is provided with a pair of arc-shaped slots（31）, namely central canal（3）Pass through this pair of arc-shaped slot when in use
（31）Block pitman（41）And realize and pitman（41）In the circumferential mutual spacing；Ball of the handle for quality of rubber materials
Shape handle（8）；Knob during use（8）Tight fit is set in central canal（3）Upper end on.
3. pedicle of vertebral arch fixed system installation tool as claimed in claim 1, it is characterised in that：The lifting component includes carrying
Help pull a cart cylinder（5）With 2 check devices；Central canal（3）Before and after top, every side of side is provided with a stop part wherein；The lifting
Sleeve is lifted by which when component is used（5）It is set in central canal（3）On, and lift when component is used by its lifting sleeve（5）Phase
For central canal（3）In central canal（3）Middle and upper part along central canal（3）Axis direction is moved；The lifting sleeve（5）Left and right
Every side of both sides is provided with and can strut piece to accordingly a piece of（1）Afterbody（13）Carry out spacing limiting section；Described each non-return is filled
Lifting sleeve is arranged on when putting use（5）Before and after side corresponding side on, and can be in central canal（3）Corresponding stop part
Collective effect under, lifting sleeve（5）Along central canal（3）When axis direction is moved, which is prevented to move down.
4. pedicle of vertebral arch fixed system installation tool as claimed in claim 3, it is characterised in that：The central canal（3）In
The stop part on top is centrally disposed pipe（3）Before and after side plate plate body on, positioned at the middle and upper part of plate body and towards outside
Some non-return teeth（32）；Each check device includes non-return piece（71）, rotating shaft（72）And elastic mechanism；Lifting sleeve（5）
Before and after side be respectively provided with a non-return groove portion；Lifting sleeve（5）Each non-return groove portion be provided with corresponding stop-return slot（52）；Rotating shaft
（72）It is arranged on lifting sleeve（5）A corresponding non-return groove portion on, non-return piece（71）It is enclosed within rotating shaft（72）Above and positioned at described
The stop-return slot of non-return groove portion（52）In, the non-return piece（71）Lower end has can be with non-return teeth when using（32）The card being meshed
Tooth（71-1）；Elastic mechanism is arranged on non-return piece（71）On, or while it is arranged on non-return piece（71）And rotating shaft（72）On, and bullet
Property mechanism causes non-return piece by its spring energy when in use（71）Latch（71-1）With corresponding non-return teeth（32）Elasticity is nibbled
Close.
5. pedicle of vertebral arch fixed system installation tool as claimed in claim 4, it is characterised in that：The elastic mechanism is setting
In non-return piece（71）Above and positioned at non-return piece（71）The compression spring on top, or elastic mechanism is provided in non-return piece（71）With
Rotating shaft（53）On torsion spring.
6. pedicle of vertebral arch fixed system installation tool as claimed in claim 5, it is characterised in that：Described lifting sleeve（5）
Each non-return groove portion on, be equipped with one be located at stop-return slot（53）The barrier plate on top（56）, and the barrier plate（56）With phase
The non-return piece answered（54）Top it is corresponding.
7. pedicle of vertebral arch fixed system installation tool as claimed in claim 5, it is characterised in that：Described elastic mechanism is to set
Put in non-return piece（71）On compression spring, non-return piece（71）Upper end end be provided with a limited block（71-2）.
8. pedicle of vertebral arch fixed system installation tool as claimed in claim 3, it is characterised in that：The lifting sleeve（5）'s
The limiting section of every side of the left and right sides is to be arranged on lifting sleeve（5）1-2 positioning convex of the left and right sides per side（55）With enclose
Around positioning convex（55）The locating groove of setting（54）.
9. pedicle of vertebral arch fixed system installation tool as claimed in claim 4, it is characterised in that：The lifting component also includes
Outer sleeve（6）；The outer sleeve（6）It is provided with 2 action panes（61）；Outer sleeve（6）Lifting sleeve is enclosed within during use（5）On,
And each of which action pane（61）It is directed at the non-return piece of a corresponding check device（71）, and non-return piece（71）In its latch
（71-1）With corresponding non-return teeth（32）In the state of Elastic Meshing, non-return piece（71）Top be in action pane（61）
In, so as to now action pane（61）Can in the circumferential to non-return piece（71）Top carry out it is spacing.
10. pedicle of vertebral arch fixed system installation tool as claimed in claim 8, it is characterised in that：The lifting sleeve（5）'s
Every side of left and right sides is equipped with a drawing ear for being located at bottom（51）, and two drawing ears（51）It is symmetrical arranged, and each draws ear
（51）It is easy to strut piece when being provided with use（1）Afterbody（13）The hollow passageway for running through up and down for passing through（52）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035518.4A CN106510834B (en) | 2016-11-22 | 2016-11-22 | Installation tool for pedicle of vertebral arch fixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035518.4A CN106510834B (en) | 2016-11-22 | 2016-11-22 | Installation tool for pedicle of vertebral arch fixing system |
Publications (2)
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| CN106510834A true CN106510834A (en) | 2017-03-22 |
| CN106510834B CN106510834B (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611035518.4A Active CN106510834B (en) | 2016-11-22 | 2016-11-22 | Installation tool for pedicle of vertebral arch fixing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545837A (en) * | 2020-04-26 | 2021-10-26 | 上海三友医疗器械股份有限公司 | Installation tool of pedicle screw assembly |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090221878A1 (en) * | 2008-02-28 | 2009-09-03 | K2M, Inc. | Minimally Invasive Retractor with Separable Blades and Methods of Use |
| EP2335629A1 (en) * | 2009-04-07 | 2011-06-22 | BIEDERMANN MOTECH GmbH | Tool for use with a bone anchor, in particular for spinal surgery |
| CN102920502A (en) * | 2012-11-09 | 2013-02-13 | 上海三友医疗器械有限公司 | Extension sheets of pedicle screw tail, expander, and tamper reset rod |
| US20130304130A1 (en) * | 2004-02-27 | 2013-11-14 | Roger P. Jackson | Tool system for dynamic spinal implants |
| CN204158479U (en) * | 2014-09-29 | 2015-02-18 | 上海三友医疗器械有限公司 | A kind of bone screw and stretcher thereof |
| US20150088210A1 (en) * | 2013-09-23 | 2015-03-26 | Stryker Spine | Lumbar-sacral screw insertion and manipulation |
| CN104783879A (en) * | 2015-05-12 | 2015-07-22 | 山东威高骨科材料股份有限公司 | Pedicle screw and bar pressing device |
| CN204931830U (en) * | 2015-09-08 | 2016-01-06 | 常州华森医疗器械有限公司 | A kind of pedicle of vertebral arch fixed system |
| CN205411309U (en) * | 2015-12-23 | 2016-08-03 | 上海三友医疗器械有限公司 | Mounting tool of excellent system of backbone nail |
| US9452000B2 (en) * | 2013-10-07 | 2016-09-27 | K2M, Inc. | Rod reducer |
| CN207012235U (en) * | 2016-11-22 | 2018-02-16 | 常州华森医疗器械有限公司 | A kind of pedicle of vertebral arch fixed system installation tool |
-
2016
- 2016-11-22 CN CN201611035518.4A patent/CN106510834B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130304130A1 (en) * | 2004-02-27 | 2013-11-14 | Roger P. Jackson | Tool system for dynamic spinal implants |
| US20090221878A1 (en) * | 2008-02-28 | 2009-09-03 | K2M, Inc. | Minimally Invasive Retractor with Separable Blades and Methods of Use |
| EP2335629A1 (en) * | 2009-04-07 | 2011-06-22 | BIEDERMANN MOTECH GmbH | Tool for use with a bone anchor, in particular for spinal surgery |
| CN102920502A (en) * | 2012-11-09 | 2013-02-13 | 上海三友医疗器械有限公司 | Extension sheets of pedicle screw tail, expander, and tamper reset rod |
| US20150088210A1 (en) * | 2013-09-23 | 2015-03-26 | Stryker Spine | Lumbar-sacral screw insertion and manipulation |
| US9452000B2 (en) * | 2013-10-07 | 2016-09-27 | K2M, Inc. | Rod reducer |
| CN204158479U (en) * | 2014-09-29 | 2015-02-18 | 上海三友医疗器械有限公司 | A kind of bone screw and stretcher thereof |
| CN104783879A (en) * | 2015-05-12 | 2015-07-22 | 山东威高骨科材料股份有限公司 | Pedicle screw and bar pressing device |
| CN204931830U (en) * | 2015-09-08 | 2016-01-06 | 常州华森医疗器械有限公司 | A kind of pedicle of vertebral arch fixed system |
| CN205411309U (en) * | 2015-12-23 | 2016-08-03 | 上海三友医疗器械有限公司 | Mounting tool of excellent system of backbone nail |
| CN207012235U (en) * | 2016-11-22 | 2018-02-16 | 常州华森医疗器械有限公司 | A kind of pedicle of vertebral arch fixed system installation tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545837A (en) * | 2020-04-26 | 2021-10-26 | 上海三友医疗器械股份有限公司 | Installation tool of pedicle screw assembly |
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| CN106510834B (en) | 2020-05-12 |
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Address after: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Patentee after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Patentee before: CHANGZHOU WASTON MEDICAL APPLIANCE Co.,Ltd. |
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