Stabilizer between spine plateTechnical field
The present invention relates to stabilizer between a kind of spine plate, belong to the human body Insertion technical field of medicine equipment.
Background technology
At present, spinal fusion techniques achieve preferable curative effect, fusion rate in terms for the treatment of neck pain in the back and neck lumbar instabilityUp to more than 90%.But there are some researches show its clinical efficacy and not up to corresponding desired value；And Titanic micro-plates and backbone meltClose art and there is the possibility for accelerating the complication such as Adjacent segment degeneration, Unstable internal fixation, the formation of postoperative pseudarthrosis.In view of this, ridgePost is dynamically fixed to turn into a kind of hot technology for treating degeneration cervical vertebra/lumbar disease in recent years, is also that spinal surgery is followingOne of important development direction, includes prosthetic total disc's displacement, cervical disc, pedicle dynamic stabilization system, spineThe type of dynamic stability device and Minor articulus building mortion etc. 5 between prominent or between spine plate.Dynamic stability wherein between spinous process or between spine plateThe implantation wound of device is minimum, security highest, and operation is most simple, and complication is slight, even if it is further unsuccessfully to nor affect on itsOperative treatment, thus quickly grow.Although being implanted in for dynamic stability device is not sacrificed backbone and stablized at once between spinous process or between spine plateProperty on the premise of it is dynamically fixed, the load conduction of postoperative dispersible Internal immobilization, it is to avoid produced between stress shielding, spineDistracting force can produce relative rear convex in operated level, the ligamentum flavum of infolding is reversely opened to reduce its intrusion to canalis spinalis,Increase vertebral canal volume, can also recover area, the load of unloading rear fibrous ring of disc height, increase canalis spinalis and intervertebral foramen,Reduce corresponding section Minor articulus load；Postoperative patient recovers rapid, and recurrence rate is low, and the remission such as pain significantly, can be under early stageMany advantages, such as bed activity.But dynamic stability device is remained in many defects between existing spinous process or between spine plate, if any can not essenceReally the thickness with spinous process matches, and some prostheses hit with spinous process causes abrasion to be reacted, and some connection complexity are (ten thousand between such as spine plateTo dynamic stability device), the fixator volume also having crosses that wound in substantially art is big, occupy-place is more in postoperative body, installation difficulty is (between such as spineUniversal dynamic stability device), or being screwed of having is in the presence of the risk released, or the utilization bundling belt having easily pine fixed for a long timeRelax, during some installations to sclerotin cut off it is more, need to cut off supraspinal ligament or cut supraspinal ligament it is (such as universal between Coflex, spineStabilizer) the problems such as, it is difficult to ensure very low complication and good long-term effect.
The content of the invention
It is an object of the present invention to it is split-type structural to be directed to above-mentioned the deficiencies in the prior art there is provided a kind of fixed plate, GuFixed board is passed through below supraspinal ligament, integral by buckle structure snapping between fixed plate, is not required to cut off or cut spine in artArnold ligament, elastic construction is located at spinous process, the both sides in spine gap, and with supraspinal ligament is not damaged in art, prosthese can carry out universal bulletThe thickness of sexuality, prosthese and spinous process or the size matching of spine spacing are strong, and implantation is convenient, and fixed reliable, stress disperses, to boneMatter excision is few, and the required precision to installation is low, can be installed on spinous process root, can be suitably used for excessive lumbosacral angle, spinous process too short or spineStabilizer between the spine plate of case such as spacing is too small.
The present invention is to realize above-mentioned purpose by the following technical solutions：
Stabilizer includes opening fixed plate, buckle fixed plate, elastic construction and clamping apparatus, elastic construction point between the spine plateThe middle part of opening fixed plate and buckle fixed plate is not placed in, and the bottom of opening fixed plate, which makes, there are one or more barbs；It is specialLevy and be, opening fixed plate and buckle fixed plate are connected by clamping apparatus.
Described clamping apparatus is made up of cutting ferrule and connecting plate, and cutting ferrule is located at the middle part of opening fixed plate, and cutting ferrule is hollowStructure；Connecting plate is located at the middle part of buckle fixed plate, and the outer end of connecting plate, which makes, has respective production on screw or fluting, cutting ferrule to haveBarb is arranged at screw or slotted eye, the bottom of opening fixed plate；Described cutting ferrule and connecting plate is respectively two, and connecting plate penetrates cutting ferruleScrew thereon is corresponding with the screw on cutting ferrule afterwards, is locked by screw integral；Or penetrate connecting plate after cutting ferrule from cardThe slotted eye insertion bending machine put is carried out after bending deformation to the slotted section on connecting plate, connecting plate is fixed in cutting ferrule；The half U-shaped of the half U-shaped and buckle fixed plate that connect after-opening fixed plate is constituted after a complete U-shaped structure, implantation human body, openingThe barb of fixed plate bottom is just hooked in the root of spinous process.
Being made on described opening fixed plate, buckle fixed plate, cutting ferrule and connecting plate has at least one screw, for medicalNonabsorable suture, wire, holdfast, screw or polythene material auxiliary are fixed；The both sides of described opening fixed plate makeThere is pincers tooth a, the both sides of buckle fixed plate, which make, pincers tooth b, and described pincers tooth a and pincers tooth b is along spinous process y direction or verticalIn spinous process y direction, or along spinous process y direction with it is combined perpendicular to spinous process y direction.
Being made respectively in described opening fixed plate and the half U-shaped structure of buckle fixed plate has the socket run through, socketDirection is vertical with the outer surface of opening fixed plate and buckle fixed plate or out of plumb, and socket is built with active plugboard, active plugboardUpper making has prefabricated anti-back plate, screw and double wedge, and double wedge is located at any surface of active plugboard, and the head end of active plugboard is fabricated to slopeFace, domatic making has embedded tooth, and the tail end of active plugboard, which makes, boss, and boss is located at any one side of active plugboard；Work as workWhen dynamic plate is fabricated to the taper without double wedge, active plugboard is not mounted in socket first, as needed again by active plugboard in artFrom outside to inside after insertion socket, recycle screw to be screwed into or bending deformation is carried out to prefabricated anti-back plate using bending machine.
Described elastic construction includes torsion structure, and one or more connected U-shaped structures, and torsion structure is tabularStructure, column structure, spring structure or helical structure, described U-shaped structure are formed by connecting by one or more U-shaped structures, U-shapedStructure is U-shaped opening up or down vertical u-shaped, or the horizontal U-shaped of U-shaped opening outwardly or inwardly, or verticallyThe combination of U-shaped and horizontal U-shaped, or one or more vertical u-shaped sides connect into concave arc or convex arc formation outward openingOr the inside horizontal U-shaped of opening.
Described elastic construction is that torsion structure is connected with U-shaped structure, spring structure or helical structure.
Each U-shaped height, size, the thickness of plate, the plate spacing of described U-shaped structure are consistent or inconsistent, described UThe both sides plate face of each U-shaped of shape structure is parallel or not parallel.
The thickness of described opening fixed plate and the height, size or plate of buckle fixed plate, highly to be consistent or differCause.
The thickness of the plate of described opening fixed plate different parts, highly to be consistent or inconsistent.
The thickness of the plate of described buckle fixed plate different parts, highly to be consistent or inconsistent.
For plane or in cambered surface at described opening fixed plate or buckle fixed plate and spinous process, vertebral plate sclerotin attaching.
Described opening fixed plate surface spraying has the material of induction Bone Ingrowth or carries out voided, threaded processing.
The beneficial effect of the present invention compared with prior art is：
Stabilizer is assembled and formed by buckle fixed plate and opening fixed plate between the spine plate, buckle fixed plate and opening fixed plateOne is constituted by snapping, then spinous process root is fixed on by the barb of opening fixed plate bottom, active plugboard pair can be passed through againSpinous process or vertebral plate are made further fixed, it is to avoid excision or cut supraspinal ligament in art.Stabilizer is tied by elasticity between the spine plateStructure realizes between spine that elasticity struts to stretch to bend with backbone and waits activity, can be achieved to stretch in the wrong, left and right lateral bending and rotation before and after spinal operation sectionDynamic Elastic it is stable, moreover it is possible to realize that the motion of operated level all directions and multi-faceted activity comprehensive function form the dynamic of ring turnIt is stable.With simple in construction, stress is scattered, implantation is convenient, fixation is reliable, can universal elasticity activity, available for lumbosacral angleThe advantages of excessive, spinous process too short or spine spacing too small case.Solve inside-fixture between the various dynamic spinous process used at presentNeed to cut off or cut supraspinal ligament in art, it is poor with the thickness of spinous process or the size matching of spine spacing, there is the prosthese such as screw portionFracture of spinous process incidence is higher in the risk that part is released, installation process, and cannot be used between excessive lumbosacral angle, spinous process too short or spineThe problem of away from too small case.While between also solving the dynamic spinous process used at present or between spine plate, inside-fixture fixes unreliable,It is unable to activity of the preservation spinal in all directions and elastic limitation is carried out to the activity of all directions, and fails fully to realize between spineElastic carrier；And complicated, installation operation is bothered, the problem of damage is big is born in art.
Brief description of the drawings
Fig. 1 be spine plate between stabilizer opening fixed plate main structure diagram；
Fig. 2 is the main body of the buckle fixed plate of stabilizer between spine plate and the structural representation of connecting plate circular sliding slopes；
Fig. 3 is the main body of the buckle fixed plate of stabilizer between spine plate and connecting plate structural representation connected vertically；
Fig. 4 is that the connecting plate of the buckle fixed plate of stabilizer between spine plate is stair-stepping structural representation；
The structural representation that Fig. 5 is fixed after clamp for stabilizer between spine plate using fixing threaded hole；
Fig. 6 is connected into the horizontal U-shaped of outward opening for the side of stabilizer U-shaped structure between spine plate and consolidated using fixed square holeDetermine the structural representation after clamp；
The structural representation that Fig. 7 is fixed after clamp for stabilizer between spine plate using active plugboard；
Fig. 8 is the main structure diagram of active plugboard；
Fig. 9 is the overlooking the structure diagram of active plugboard；
Figure 10 is overlooking the structure diagram of the active plugboard without double wedge；
Figure 11 is the overlooking the structure diagram after the prefabricated anti-back plate bending deformation of active plugboard；
Figure 12 is the structural representation that active plugboard makes wedgewise；
Figure 13 is less than the structural representation of internal layer fixed plate height for the height of outer layer elastic plate；
Figure 14 is the shorter structural representation of the middle U-shaped of U-shaped structure；
Figure 15 is structural representation of the bottom without circular hole of U-shaped structure；
Figure 16 is the round-meshed structural representation in bottom of U-shaped structure.
In figure：1st, be open fixed plate, and 101, pincers tooth a, 102, socket, 2, buckle fixed plate, 201, pincers tooth b, 3, elasticity knotStructure, 301, U-shaped structure, 4, clamping apparatus, 401, cutting ferrule, 402, connecting plate, 403, screw or slotted eye, 404, screw or fluting,5th, fixing threaded hole, 6, fixed square hole, 7, active plugboard, 701, prefabricated anti-back plate, 702, double wedge, 703, boss, 704, embedded tooth,8th, barb, 9, torsion structure.
Embodiment
Stabilizer includes opening fixed plate 1, buckle fixed plate 2, elastic construction 3 and clamping apparatus 4, elasticity knot between the spine plateStructure 3 is respectively placed in the middle part of opening fixed plate 1 and buckle fixed plate 2, and opening fixed plate 1 and buckle fixed plate 2 are filled by clampingPut 4 connections.Connecting plate 402 can be deformed with anti-loosing screw or bending machine to reinforce the clamping apparatus 4 after connection after connection.
Described clamping apparatus 4 is made up of cutting ferrule 401 and connecting plate 402, and cutting ferrule 401 is located at the middle part of opening fixed plate 1,Cutting ferrule 401 is hollow structure；Connecting plate 402 is located at the middle part of buckle fixed plate 2, the outer end of connecting plate 402 make have screw orRespective production has screw or slotted eye 403 on fluting 404, cutting ferrule 401；Described cutting ferrule 401 and connecting plate 402 are respectively two,The screw that connecting plate 402 is penetrated after cutting ferrule 401 thereon is corresponding with the screw on cutting ferrule, is locked by screw integral；Or willConnecting plate 402 is penetrated after cutting ferrule 401 from the slotted eye insertion bending machine on cutting ferrule 401 to the slotted section progress on connecting plate 402After bending deformation, connecting plate 402 is set to be fixed in cutting ferrule 401；Connect the half U-shaped and buckle fixed plate 2 of after-opening fixed plate 1Half U-shaped constitutes a complete U-shaped structure, the barb 8 of opening fixed plate 1 bottom then hook in spinous process root.
Being made on described opening fixed plate 1, buckle fixed plate 2, cutting ferrule 401 and connecting plate 402 has at least one screw,Aid in fixing for medical nonabsorable suture, wire, holdfast, screw or polythene material.Described opening fixed plate 1Both sides, which make, pincers tooth a101, and the both sides of buckle fixed plate 2, which make, pincers tooth b201.Described opening fixed plate 1 and buckle are solidBeing made respectively in the half U-shaped structure of fixed board 2 has the socket 102 run through, and direction and the opening fixed plate and buckle of socket 102 are fixedThe outer surface of plate is vertical or out of plumb, socket 102 built with active plugboard 7, made on active plugboard 7 have prefabricated anti-back plate 701,Screw and double wedge 702, one end of active plugboard 7, which makes, embedded tooth 704, and the other end of active plugboard, which makes, boss 703.It is livingDynamic plate（7）Upper making has prefabricated anti-back plate（701）, screw and double wedge（702）, double wedge（702）Positioned at active plugboard（7）AppointSimultaneously, active plugboard（7）Head end be fabricated to domatic, domatic making has embedded tooth（704）, the tail end of active plugboard, which makes, convexPlatform（703）, boss（703）Positioned at active plugboard（7）Any one side, when described active plugboard（7）It is fabricated to without double wedge（702）Taper when, active plugboard（7）Socket is not mounted in first（102）It is interior, chosen to install as needed in art.
Described elastic construction 3 includes torsion structure 9, and one or more connected U-shaped structures 301, torsion structureFor platy structure, column structure, spring structure or helical structure, U-shaped structure 301 is the vertical U of U-shaped opening up or downShape, or the horizontal U-shaped of U-shaped opening outwardly or inwardly, or vertical u-shaped and horizontal U-shaped combination, or oneOr multiple vertical u-shaped side concave arcs connected into or convex arc formation outward opening or the inside horizontal U-shaped of opening.
Each U-shaped height of described U-shaped structure 301, size, the thickness of plate, plate spacing be it is consistent or inconsistent, it is describedU-shaped structure 301 each U-shaped both sides plate face it is parallel or not parallel.
Described elastic construction 3 is that torsion structure is connected with U-shaped structure, spring structure or helical structure.
The thickness of the plate of the described different parts of opening fixed plate 1, highly to be consistent or inconsistent.The buckle is fixedThe thickness of the plate of the different parts of plate 2, highly to be consistent or inconsistent.
Described opening fixed plate 1 is with the height of buckle fixed plate 2, the thickness of size or plate, highly for unanimously or notUnanimously.For plane or in cambered surface at described opening fixed plate 1 or buckle fixed plate 2 and spinous process, vertebral plate sclerotin attaching.DescribedThe opening surface spraying of fixed plate 1 has the material of induction Bone Ingrowth or carries out voided, threaded processing.
When stabilizer is implanted into the human body of degenerated neck lumbar disease patient between the spine plate, spinous process sclerotin is first repaired, then retractSpinous process is to increase spine spacing up and down, after die trial success, with longitudinal compression device with the pattern of elastic construction precompressed by opening fixed plateBelow the supraspinal ligament of spinous process side between the root insertion spine of patch spinous process, longitudinal compression device is taken out；Buckle is consolidated after die trial againFixed board 2 is inserted between spine from the opposite side of spinous process, then buckle fixed plate 2 and opening fixed plate 1 are pressed from both sides to clamping apparatus 4 in opposite directionsConnecting plate 402 is buckled into cutting ferrule 401, makes buckle fixed plate 2 integral with the snapping of opening fixed plate 1, the screw on connecting plate 402Or fluting 404 is corresponding with the screw on cutting ferrule 401 or slotted eye 403, then with screw by the way that above-mentioned screw is by connecting plate 402 and blocksThe locking of set 401 is integral；Or bending deformation is carried out to the slotted section on connecting plate from the slotted eye insertion bending machine on cutting ferrule 401After connecting plate is firmly fixed in cutting ferrule, the half U-shaped of connecting plate and opening fixed plate just combines a complete U-shaped knotStructure, the barb of opening fixed plate bottom is then fixed on spinous process root.Also described opening fixed plate 1 and buckle fixed plate can be passed through2nd, cutting ferrule 401, standby hole medical nonabsorable suture, wire, holdfast, screw or polythene material on connecting plate 402Auxiliary is fixed.When finding fixed not firm enough in art, the active plugboard 7 of both sides can be inwardly driven into, make the embedding of active plugboard 7Enter the sclerotin of tooth 704 further embedded spinous process or vertebral plate, at the same time, the afterbody of active plugboard 7 is also further embedded in socket 102It is interior, recycle screw to be screwed into or bending deformation is carried out to prefabricated anti-back plate 701 using bending machine, to prevent active plugboard 7 rearwardlyRetract, in this way, the pincers tooth b201 on pincers the tooth a101 and buckle fixed plate 2 in opening fixed plate 1 and the connecting plate in U-shaped structure402 can firmly be implanted into opening fixed plate 1 and buckle fixed plate 2 in the human body of degenerated neck lumbar disease patient, i.e., completeInto installation.
Between the spine plate stabilizer by elastic construction 3 can realize spine between elasticity strut with stretching in the wrong before and after backbone, moreover it is possible to realizeThe elasticity activity of all directions such as operated level or so lateral bending and rotation；Its operating time is short, is not required to cut off in art or cuts on spineLigament, cuts off few to sclerotin, and the thickness matching with spine spacing and spinous process is strong, and postoperative spinal stability is high, and physical recovery is fast.
Simply presently preferred embodiments of the present invention described above, the example above illustrates that the substantive content not to the present invention is madeAny formal limitation, technology of the person of an ordinary skill in the technical field after this specification has been read according to the present inventionAny simple modification or deformation that essence is made to above embodiment, and possibly also with the technology contents of the disclosure aboveThe equivalent embodiment of equivalent variations is changed or is modified to, in the range of still falling within technical solution of the present invention, without departing fromThe spirit and scope of the invention.