Universal regulator between assembly type sour jujubeTechnical field
This utility model relates to universal regulator between a kind of assembly type sour jujube, belongs to the human body Insertion technical field of medical apparatus and instruments.
Background technology
At present, spinal fusion techniques achieves good curative effect in treatment neck lumbago and neck lumbar instability, and fusion rate reaches more than 90%.But there are some researches show, its clinical efficacy does not reach expected value; And the possibility of the complication such as Titanic micro-plates and spinal fusion existence acceleration Adjacent segment degeneration, Unstable internal fixation, postoperative pseudoarticulation formation.In view of this, spinal column is dynamically fixing is becoming a kind of hot technology for the treatment of degeneration cervical vertebra/lumbar disease in recent years, also be one of the important development direction in spinal surgery future, include between prosthetic total disc's displacement, cervical disc, pedicle dynamic stabilization system, spinous process or 5 types such as dynamic stability device and Minor articulus forming device between sour jujube plate.Wherein the implantation wound of dynamic stability device is minimum between spinous process or between sour jujube plate, and safety is the highest, and operation is the simplest, and complication is slight, even if failure does not affect its further operative treatment yet, thus development rapidly.Although between spinous process or between sour jujube plate dynamic stability device be implanted in the prerequisite of not sacrificing spinal column Initial stability under it is dynamically fixed, the postoperative load conduction dispersibling Internal immobilization, avoid stress shielding, the distracting force produced between sour jujube can produce relative rear convex at operated level, the ligamenta flava of infolding is made oppositely to open to reduce its intrusion to canalis spinalis, increase vertebral canal volume, also disc height can be recovered, increase the load of the area of canalis spinalis and intervertebral foramina, unloading rear fibrous ring, reduce corresponding sections Minor articulus load; Postoperative patient recovers rapidly, and the remissions such as relapse rate is low, pain are remarkable, can the plurality of advantages such as early ambulation, recovery daily life.But dynamic stability device remains in many defects between existing spinous process or between sour jujube plate, that have poor with the size matching of thickness that is spinous process or sour jujube spacing, some prostheses and spinous process clash into cause wearing and tearing and react, some connection complexity (as dynamic stability device universal between sour jujube plate), the holder volume also had cross roughly in art wound large, in postoperative body, occupy-place is many, difficulty (as dynamic stability device universal between sour jujube) is installed, or the bundling belt that utilizes had fixes easy relaxing for a long time, more to sclerotin excision during some installations, maybe need excision supraspinal ligament or cut supraspinal ligament (as Coflex, universal regulator between sour jujube) etc. problem, be difficult to ensure very low complication and good long-term effect.
Summary of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, a kind of fixing head is provided to be split-type structural, fixing head passes below supraspinal ligament, one is fastened into by buckle structure between fixing head, do not need excision in art or cut supraspinal ligament, elastic construction is positioned at spinous process, the both sides in sour jujube gap, have in art and do not damage supraspinal ligament, prosthese can carry out universal elasticity activity, the thickness of prosthese and spinous process or the size matching of sour jujube spacing strong, it is convenient to implant, fixing reliable, stress dispersion, few to sclerotin excision, low to the required precision of installing, spinous process root can be installed on, lumbosacral angle can be applicable to excessive, universal regulator between the assembly type sour jujube that spinous process crosses the cases such as short or sour jujube spacing is too small.
This utility model realizes above-mentioned purpose by the following technical solutions:
Between this assembly type sour jujube, universal regulator comprises opening fixing head, buckle fixing head, elastic construction and ruggedized construction, elastic construction is placed in the middle part of opening fixing head and buckle fixing head respectively, it is characterized in that, opening fixing head is connected by bayonet unit with buckle fixing head, also reinforces further the bayonet unit after connection by ruggedized construction.
Described bayonet unit is made up of butt hook and cutting ferrule or hole clipping, cutting ferrule is positioned on half U-shaped of opening fixing head, cutting ferrule connects up and down and centre has through hole, also can only have bottom it and be connected with the U-shaped of opening fixing head, above it and two sides all in open shape, are separately furnished with movable sleeve frame as ruggedized construction; Butt hook is positioned at the middle part of buckle fixing head, and one end of butt hook is manufactured with locking jaw or clamp+locking jaw.
Described cutting ferrule and butt hook are respectively two, and the locking jaw of two butt hooks is inwardly mutually corresponding, and butt hook hooks in the side of cutting ferrule through the locking jaw after cutting ferrule on it, and half U-shaped of butt hook and opening fixing head combines a complete U-shaped structure.
Described cutting ferrule also can only have bottom it and is connected with the U-shaped of opening fixing head, above it and two sides are all in open shape, there is locking teeth porch in its cutting ferrule, the U-board of cutting ferrule plate or opening fixing head has draw-in groove, or the U-board of cutting ferrule plate and opening fixing head all has draw-in groove, two corresponding butt hooks are connected with clamp, butt hook can utilize the elasticity of cutting ferrule plate to make the gap on its cutting ferrule top become large when inserting cutting ferrule from the top down, be beneficial to the draw-in groove in clamp insertion cutting ferrule plate affixed on butt hook and opening fixing head U-board, after clamp enters draw-in groove, the elastical retraction of cutting ferrule plate makes draw-in groove entangle clamp better, locking teeth in its cutting ferrule also can assist prevention butt hook prolapse upwards, locking jaw on butt hook is then hooked in the side of cutting ferrule, butt hook, half U-shaped of cutting ferrule and opening fixing head combines a complete U-shaped structure, patient also can select cover frame half U-loop shape of cutting ferrule and opening fixing head to be entangled as required, described cover frame is bascule, on the U-shaped that cover frame can first be sleeved on opening fixing head before buckle structure connects or be sleeved on the butt hook of buckle fixing head, half U-shaped of described cutting ferrule and opening fixing head is provided with the top of groove or its draw-in groove in open shape, in the opening that when the U-board of cutting ferrule plate and opening fixing head being pressed from both sides in opposite directions after bayonet unit connects, a part of overlapping frame can be slipped into the top of groove or draw-in groove again by the natural resilience of cutting ferrule plate in case overlap frame slippage, cover frame also can not in loop-like and part in open shape, like this then can be inserted in from groove again after described bayonet unit connects bayonet unit is fixed.
Described bayonet unit also can be made up of hole clipping and butt hook, and hole clipping is placed on half U-shaped of opening fixing head; Butt hook is positioned at the middle part of buckle fixing head, and one end of butt hook is manufactured with locking jaw, and outfit anti-loosing screw or mobilizable cover frame carry out reinforcing clip buckle structure.
Described hole clipping and butt hook are respectively two, the locking jaw of two butt hooks is inwardly mutually corresponding or outwards mutually corresponding, butt hook hooks in hole clipping through locking jaw after hole clipping, and half U-shaped of butt hook and opening fixing head forms a complete U-shaped structure, then reinforces with anti-loosing screw or cover frame.
Described opening fixing head and buckle fixing head, cutting ferrule, butt hook there is one or more screw for subsequent use, so that can be auxiliary fixing through bio-medical materials such as the medical nonabsorable suture of above-mentioned screw, tinsel, holdfast, screws when needing.
Described hole clipping or the side of cutting ferrule can be established or de-screw in the air, the head end of described anti-loosing screw and the diameter of tail end are all greater than the diameter of the screw at its place and can not deviate from, it is circular that its screw tail cap is non-grade, the concave surface facing locking jaw of the solid timing screw tail cap of the locking jaw on butt hook passes through hole clipping or cutting ferrule to hold locking jaw, and after locking jaw is by hole clipping or cutting ferrule, rotary release proof screw to the convex surface of its nut is pushed down or withstood locking jaw and is fixed again.
Described elastic construction is formed by connecting by one or more U-shaped, U-shaped is U-shaped opening upwards or downward vertical u-shaped, or the horizontal U-shaped that U-shaped opening is inside or outside, or the combination of vertical u-shaped and horizontal U-shaped, or one or more vertical u-shaped side concave arc or convex arc become outward opening or the inside horizontal U-shaped of opening.
Described elastic construction is spring structure.
The thickness of the height of described U-shaped, size or plate is consistent or inconsistent.
The two ends of described opening fixing head are manufactured with pincers tooth a, and the two ends of described buckle fixing head are manufactured with pincers tooth b.
The shape of described opening fixing head and buckle fixing head, highly, the thickness of size or plate, be highly consistent or inconsistent.
Described opening fixing head or buckle fixing head and spinous process, attaching place of vertebral plate sclerotin are plane or are cambered surface in cave in; Opening fixing head surface can be coated with the material of induction Bone Ingrowth or carry out voided, threaded process.
Half U-shaped structure of described opening fixing head is manufactured with the fixed claw that can embed spinous process or vertebral plate sclerotin veneer.
Described elastic construction is U-shaped distressed structure or spring structure.
This utility model beneficial effect is compared with prior art:
Between this assembly type sour jujube, universal regulator is formed by buckle fixing head and the assembly of opening fixing head, the middle part of each fixing head is connected by one or more orthogonal or parallel U-shaped elastic construction or spring structure, or vertical u-shaped and horizontal U-shaped is combined, buckle fixing head and opening fixing head consist of snapping and are integrally fixed between spinous process or sour jujube plate plate, to avoid in art excision or cut supraspinal ligament.Between this assembly type sour jujube universal regulator by elastic construction realize elasticity between sour jujube strut to stretch with spinal column bend wait movable, the Dynamic Elastic that can realize stretching before and after spinal operation sections in the wrong, left and right lateral bending and rotation is stablized, can also realize the motion of operated level all directions and multi-faceted activity comprehensive function form the dynamic stability that ring turns.Have that structure is simple, stress dispersion, implantation is convenient, fixation is reliable, can universal elasticity activity, can be used for that lumbosacral angle is excessive, spinous process crosses the advantages such as short or sour jujube spacing is too small case.Solve between the current various dynamic spinous process used and in inside-fixture art, need excision or incision supraspinal ligament, with the thickness of spinous process or the size matching of sour jujube spacing poor, many to the excision of spinous process sclerotin, in installation process, fracture of spinous process incidence rate is higher, and can not be used for that lumbosacral angle is excessive, spinous process crosses short or that sour jujube spacing is too small case.Also to solve between the dynamic spinous process that uses at present simultaneously or between sour jujube plate inside-fixture fix unreliable, and can not the activity of preservation spinal in all directions and elastic limit is carried out to the activity of all directions, and fail fully to realize elastic carrier between sour jujube, and the problem that in complex structure, installation complicated operation, art, negative damage is large.
Accompanying drawing explanation
Fig. 1 is the structural representation that between assembly type sour jujube, universal regulator adopts locking jaw connecting band lock-screw;
Fig. 2 is the structural representation that between assembly type sour jujube, universal regulator adopts cutting ferrule to connect;
Fig. 3 is the structural representation that when universal regulator adopts locking jaw to connect between assembly type sour jujube, cover has cover frame;
Fig. 4 is the structural representation that the connection of universal regulator between assembly type sour jujube hooks that upper cover has cover frame;
Fig. 5 is structural representation when universal regulator adopts cutting ferrule to connect separately between assembly type sour jujube;
Fig. 6 is the structural representation that between assembly type sour jujube, universal regulator adopts locking jaw connecting band cover frame;
Fig. 7 is that between assembly type sour jujube, universal regulator adopts the structural representation of locking jaw connection not with cover frame;
Fig. 8 is the left TV structure schematic diagram that the one side of universal regulator between assembly type sour jujube is made into arcwall face;
Fig. 9 is the left TV structure schematic diagram that the two sides of universal regulator between assembly type sour jujube is all made into plane;
Figure 10 be universal regulator between assembly type sour jujube cutting ferrule in be manufactured with the structural representation of locking teeth;
Figure 11 is the cutting ferrule plate of universal regulator between assembly type sour jujube and the reeded structural representation of the upper making of U plate shape of opening fixing head;
Figure 12 be universal regulator between assembly type sour jujube opening fixing head on be manufactured with the structural representation of anti-loosing screw;
Figure 13 is the structural representation that multiple vertical u-shaped side concave arc becomes the horizontal U-shaped of outward opening;
The main TV structure schematic diagram of Figure 14 to be elastic construction be spring;
The left TV structure schematic diagram of Figure 15 to be elastic construction be spring.
In figure: 1, opening fixing head, 101, pincers tooth a, 2, buckle fixing head, 201, pincers tooth b, 3, elastic construction, 301, U-shaped structure, 302, spring structure, 4, bayonet unit, 401, cutting ferrule, 402, butt hook, 403, hole clipping, 404, lock-screw, 405, locking jaw, 406, fixed claw, 407, draw-in groove, 408, groove, 409, cover frame, 410, clamp, 411, locking teeth, 412, anti-loosing screw.
Detailed description of the invention
Between this assembly type sour jujube, universal regulator comprises opening fixing head 1, buckle fixing head 2 and elastic construction 3, elastic construction 3 is placed in the middle part of opening fixing head 1 and buckle fixing head 2 respectively, it is characterized in that, opening fixing head 1 is connected by bayonet unit 4 with buckle fixing head 2, bayonet unit 4 after another available anti-loosing screw 412 or apolegamy cover frame 409 reinforce the connection, or auxiliary fixing by the medical nonabsorable suture of screw for subsequent use, tinsel, holdfast, screw etc. on opening fixing head 1 and buckle fixing head 2, cutting ferrule 401, butt hook 402.
Described bayonet unit 4 is made up of cutting ferrule 401 and butt hook 402, and cutting ferrule 401 is placed on half U-shaped of opening fixing head 1, and have through hole in the middle of cutting ferrule 401, lock-screw 404 is equipped with in the side of cutting ferrule 401; Butt hook 402 is placed in the middle part of buckle fixing head 2, and one end of butt hook 402 is manufactured with locking jaw 405.Described cutting ferrule 401 and butt hook 402 are respectively two, the locking jaw 405 of two butt hooks 402 is inwardly mutually corresponding, butt hook 402 hooks in the side of cutting ferrule 401 through the locking jaw 405 on cutting ferrule 401 afterwards its, and half U-shaped of butt hook 402 and opening fixing head 1 is linked to be a complete U-shaped structure.
Be connected with the U-shaped of opening fixing head when described cutting ferrule 401 only has bottom it, above it and two sides are all in open shape, there is locking teeth 411 porch in its cutting ferrule, the U-board of cutting ferrule plate and opening fixing head has draw-in groove 407, draw-in groove 407 can surrounding be closed, but also its top is in open shape, two corresponding butt hooks are connected with clamp 410, butt hook 402 can utilize the elasticity of cutting ferrule plate to make the gap on its cutting ferrule 401 top become large when inserting cutting ferrule 401 from the top down, be beneficial to clamp 410 affixed on butt hook 402 and insert draw-in groove 407 in cutting ferrule plate and opening fixing head U-board, after clamp 410 enters draw-in groove 407, the elastical retraction of cutting ferrule plate makes draw-in groove 407 entangle clamp 410 better, locking jaw on butt hook 402 405 is hooked in the side of cutting ferrule 401, locking teeth 411 in its cutting ferrule is prevention butt hook 402 prolapse upwards further, butt hook 402, half U-shaped of cutting ferrule 401 and opening fixing head combines a complete U-shaped structure, patient also can select cover frame 409 half U-loop shape of cutting ferrule 401 and opening fixing head to be entangled as required, described cover frame 409 is bascule, cover frame 409 can in loop-like, on the U-shaped that first can be sleeved on opening fixing head before bayonet unit 4 connects or be sleeved on the butt hook 402 of buckle fixing head, half U-shaped of cutting ferrule 401 and opening fixing head is provided with groove 408, after a part of overlapping frame 409 can being slipped into groove 408 or draw-in groove 407 upper opening place when the U-board of cutting ferrule plate and opening fixing head being pressed from both sides and again by the natural resilience of cutting ferrule plate in case overlap frame 409 slippage, it is the slippage of further anti-cover frame 409 in art, deformation process to a certain degree also can be carried out to the cover frame 409 slipping into groove 408 or draw-in groove 407 upper opening place, described cover frame 409 also can not in loop-like and part in open shape, like this then after described bayonet unit 4 connects, again cover frame 409 can be inserted in fixing bayonet unit 4 from groove 408.
Described bayonet unit 4 is made up of hole clipping 403 and butt hook 402, and hole clipping 403 is placed on half U-shaped of opening fixing head 1; Butt hook 402 is placed in the middle part of buckle fixing head 2, and one end of butt hook 402 is manufactured with locking jaw 405.Described hole clipping 403 and butt hook 402 are respectively two, the locking jaw 405 of two butt hooks 402 is inwardly mutually corresponding or outwards mutually corresponding, butt hook 402 hooks in the side of hole clipping 403 through locking jaw 405 after hole clipping 403, and half U-shaped of butt hook 402 and opening fixing head 1 is linked to be a complete U-shaped structure.
Described elastic construction 3 is U-shaped distressed structure or spring structure, U-shaped distressed structure is that one or more U-shaped is formed by connecting, U-shaped is U-shaped opening upwards or downward vertical u-shaped, or the horizontal U-shaped that U-shaped opening is inside or outside, or the assembly of vertical u-shaped and horizontal U-shaped, or the side concave arc of one or more vertical u-shaped combination or convex arc become outward opening or the inside horizontal U-shaped of opening; The thickness of the height of described U-shaped, size or plate is consistent or inconsistent.
The two ends of described opening fixing head 1 are manufactured with pincers tooth a101, and the two ends of described buckle fixing head 2 are manufactured with pincers tooth b201.The shape of described opening fixing head 1 and buckle fixing head 2, highly, the thickness of size or plate, be highly consistent or inconsistent.Described opening fixing head 1 or buckle fixing head 2 are plane with spinous process, attaching place of vertebral plate sclerotin or are cambered surface in caving in; Opening fixing head 1 surface spraying has the material of induction Bone Ingrowth or carries out voided, threaded process.Half U-shaped structure of described opening fixing head 1 is manufactured with and embedding tight fixed claw 406 on spinous process or vertebral plate sclerotin veneer.(see accompanying drawing 1 ~ 9).
When between this assembly type sour jujube, the human body of degenerated neck lumbar disease patient is implanted in universal regulator, first repair spinous process sclerotin, retract upper and lower spinous process again to add megacanthopore spacing, after die trial success, embed between sour jujube with the root that opening fixing head to be pasted spinous process with the pattern of elastic construction precompressed by longitudinal compression device below the supraspinal ligament of spinous process side, take out longitudinal compression device, after die trial, buckle fixing head 2 is inserted between sour jujube from the opposite side of spinous process again, again buckle fixing head 2 and opening fixing head 1 being pressed from both sides the butt hook 402 held together to bayonet unit 4 in opposite directions buckles in cutting ferrule 401 or hole clipping 403, buckle fixing head 2 and opening fixing head 1 is made to be fastened into one, and match mobilizable cover frame reinforcing clip buckle structure, namely patient can select cover frame half U-loop shape of cutting ferrule and opening fixing head to be entangled, described cover frame is bascule, on the U-shaped that cover frame can first be sleeved on opening fixing head before buckle structure connects or be sleeved on the butt hook of buckle fixing head, half U-shaped of described cutting ferrule and opening fixing head is provided with groove, when the U-board of cutting ferrule plate and opening fixing head being pressed from both sides and holding together a part of overlapping frame can be slipped in groove again by the natural resilience of cutting ferrule plate in case overlap frame slippage, when when overlapping frame and not being loop-like, part is in open shape, then can be fixed by the direct outer surface being inserted in bayonet unit 4 from groove 408 after described bayonet unit 4 connects, also to be fixed by anti-loosing screw 412 or by described opening fixing head 1 and buckle fixing head 2, cutting ferrule 401, butt hook 402) on the medical nonabsorable suture in hole for subsequent use, tinsel, holdfast, screws etc. are auxiliary fixing.Now, opening fixing head 1 and buckle fixing head 2 are firmly implanted in the human body of degenerated neck lumbar disease patient by the pincers tooth b201 on the pincers tooth a101 on opening fixing head 1, cover frame 409 and buckle fixing head 2 and the structural fixed claw of U-shaped 406 energy, namely complete installation.
Another kind of mounting means is be connected with the U-shaped of opening fixing head when described cutting ferrule 401 only has bottom it, above it and two sides are all in open shape, the U-board of its cutting ferrule plate and opening fixing head has draw-in groove 407, two corresponding butt hooks are connected with clamp 410, butt hook 402 can utilize the elasticity of cutting ferrule plate to make the gap on its cutting ferrule 401 top become large when inserting cutting ferrule 401 from the top down, be beneficial to clamp 410 affixed on butt hook 402 and insert draw-in groove 407 in cutting ferrule plate and opening fixing head U-board, after clamp 410 enters draw-in groove 407, the elastical retraction of cutting ferrule plate makes draw-in groove 407 entangle clamp 410 better, locking teeth 411 auxiliary prevention butt hook 402 prolapse upwards in cutting ferrule 401, locking jaw on butt hook 402 405 is hooked in the side of cutting ferrule 401, butt hook 402, half U-shaped of cutting ferrule 401 and opening fixing head combines a complete U-shaped structure, patient also can select cover frame 409 half U-loop shape of cutting ferrule 401 and opening fixing head to be entangled as required, described cover frame 409 is bascule, on the U-shaped that cover frame 409 first can be sleeved on opening fixing head before bayonet unit 4 connects or be sleeved on the butt hook 402 of buckle fixing head, half U-shaped of described cutting ferrule 401 and opening fixing head is provided with groove 408, described draw-in groove 407 can surrounding be closed, but also its top is in open shape, when the U-board of cutting ferrule plate and opening fixing head being pressed from both sides and holding together a part of overlapping frame 409 can be slipped into after the opening on groove 408 or draw-in groove 407 top again by the natural resilience of cutting ferrule plate in case overlap frame 409 slippage, it is the slippage of further anti-cover frame 409 in art, also can to the deformation process slipping into the cover frame after groove 408 409 and carry out to a certain degree.When overlapping frame and not being loop-like, part is in open shape, then can be fixed by the direct outer surface being inserted in bayonet unit 4 from groove 408 after described bayonet unit 4 connects, also auxiliary fixing by the medical nonabsorable suture in hole for subsequent use, tinsel, holdfast, screw etc. on described opening fixing head 1 and buckle fixing head 2, cutting ferrule 401, butt hook 402.
Between this assembly type sour jujube universal regulator by elastic construction 3 can realize elasticity between sour jujube strut with spinal column before and after stretch in the wrong, the elasticity activity of all directions such as operated level left and right lateral bending and rotation can also be realized; Its operating time is short, does not need excision or cut supraspinal ligament in art, and few to sclerotin excision, postoperative spinal stability is high, and physical recovery is fast.
The above is preferred embodiment of the present utility model, above-mentioned illustrating does not do any pro forma restriction to flesh and blood of the present utility model, any simple modification that person of an ordinary skill in the technical field has done above detailed description of the invention according to technical spirit of the present utility model after having read this description or distortion, and the technology contents of above-mentioned announcement may be utilized to be changed or be modified to the Equivalent embodiments of equivalent variations, all still belong in the scope of technical solutions of the utility model, and do not deviate from essence of the present utility model and scope.