CN107595375A - Universal dynamic fixer between a kind of spine - Google Patents
Universal dynamic fixer between a kind of spine Download PDFInfo
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- CN107595375A CN107595375A CN201710976569.5A CN201710976569A CN107595375A CN 107595375 A CN107595375 A CN 107595375A CN 201710976569 A CN201710976569 A CN 201710976569A CN 107595375 A CN107595375 A CN 107595375A
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Abstract
The present invention relates to the human body Insertion technical field of medicine equipment, more particularly to universal dynamic fixer between a kind of spine, mainly include：First fixed part, second fixed part, attachment structure and elastic construction, first fixed part and the second fixed part are affixed integral by attachment structure and elastic construction, elastic construction is made up of the connected U-shaped structure of one or more, the first described fixed part is by two flank a, first fixed part bottom plate and buckle structure a compositions, second fixed part is by two flank b, second fixed part bottom plate and buckle structure b compositions, first fixed part bottom plate and the second fixed part bottom plate are straight panel or arc, or a part is straight panel, another part is arc, the advantage of the invention is that, the spinous process shape that universal dynamic fixer can be preferably with different human body between its spine matches, and it is reduced as far as the finishing in art to spinous process sclerotin, excision, reduce patient suffering, beneficial to post-operative recovery.
Description
Technical field：
The present invention relates to the human body Insertion technical field of medicine equipment, more particularly to universal dynamic fixer between a kind of spine.
Background technology：
Backbone dynamic is fixed to turn into a kind of hot technology for treating degeneration cervical vertebra/lumbar disease in recent years, and spinal surgery
One of following important developing direction, includes prosthetic total disc's displacement, cervical disc, pedicle dynamic stability system
System, the type of dynamic stability device and Minor articulus building mortion etc. 5 between spinous process or between spine plate, dynamic wherein between spinous process or between spine plate
The implantation wound of stabilizer is minimum, security highest, and operation is most simple, and complication is slight, even if unsuccessfully nor affecting on it enters one
The operative treatment of step, thus quickly grow in recent years.
Designed by Samani in 1994 and the Coflex systems that provide, seen from side it is " U "-shaped, in U-shaped main structure
Lower end has two " clip-like " to fix wing structure（One to the front, and one to the rear）Can be fixedly clamped upper and lower spinous process, but the system with
The fixed position of spinous process is square structure, is mismatched with the anatomical structure of spinous process, need to be with pliers by its side when causing to install in art
The wing makees large range of outwards bending deformation, is made large range of folder after installing again and holds together deformation so that grasped during installation
Make complexity, or even flank fatigue, fracture occur, and it is in the wrong to provide stretching for sagittal plain.
Application number：PCT/CN2016/1025284 international application discloses universal dynamic fixer between a kind of spine, but
, it is necessary to which spinous process sclerotin is modified and cut off when insert installation to it, not only make operation more cumbersome, can also increase trouble
The pain of person, in addition, after inserting, U-shape structure intensity is larger, and the anglec of rotation is limited, it is difficult to adapts to completely under different situations
Spine between elasticity strut to stretch with backbone and bend the activity of grade, the effect that universal dynamic is fixed is influenceed, in addition, wide-u-shaped structure can be formed greatly
Dead space, cause hematocele, inadequate drainage, be easily caused infection etc. complication generation, therefore, the device have it is further improved must
Will.
The content of the invention：
An object of the present invention is to provide ten thousand between a kind of spine that preferably with the spinous process shape of different human body can be matched
To dynamic fixer.
An object of the present invention be to provide it is a kind of can increase the anglec of rotation and reduce hematocele, dead space spine between it is universal
Dynamic fixer.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
Universal dynamic fixer, mainly includes between a kind of spine：First fixed part, the second fixed part, attachment structure and elastic construction,
First fixed part and the second fixed part are affixed integral by attachment structure and elastic construction, and elastic construction is by one or more phases
U-shaped structure even is formed, and the first described fixed part is made up of two flank a, the first fixed part bottom plate and buckle structure a, the
Two fixed parts are made up of two flank b, the second fixed part bottom plate and buckle structure b, the first fixed part bottom plate and the second fixed part
Bottom plate is straight panel or arc, or a part is straight panel, and another part is arc, and the first fixed part bottom plate and second are fixed
The plate face of portion's bottom plate is in facing directly or cambered surface, or a part is faces directly, another part is cambered surface.
Further, the middle part of described U-shaped structure disconnects, or is joined together in the middle part of U-shaped structure.
Further, circular or arcuate structure is cased with described U-shaped structure, or U-shaped structure is complete U-shaped.
Further, described U-shaped structure straight panel partial-length is 0-15mm, when U-shaped structure straight panel partial-length is 0
When, its U-shaped structure is directly substituted by circular or arcuate structure.
Further, described U-shaped structure is outside and/or inside vertical u-shaped of U-shaped opening, or U-shaped opening to
Right and/or horizontal U-shaped to the left, or vertical u-shaped and horizontal U-shaped combination.
Further, described U-shaped structure can also be that one or more vertical u-shaped sides connect into concave arc or convex arc
The horizontal U-shaped or arc of outward opening or opening inwardly are formed, or the side of one or more horizontal U-shapeds connects into concave arc
Or convex arc forms the horizontal U-shaped or arc for being open to the right or being open to the left.
Further, the thickness of the plate of first fixed part and the second fixed part different parts, highly to be consistent or
It is inconsistent, the height of the first fixed part and the second fixed part, the thickness of size or plate, highly to be consistent or inconsistent, first
Being shaped as fixed part bottom plate and the second fixed part bottom plate is consistent or inconsistent.
Beneficial effects of the present invention are：
1st, it is an advantage of the current invention that the first fixed part bottom plate of universal dynamic fixer and the second fixed part bottom plate are between its spine
Straight panel or arc, or a part is straight panel, another part are arc, the first fixed part bottom plate and the second fixed part bottom plate
Plate face is in facing directly or cambered surface, or a part is faces directly, another part is cambered surface, spinous process shape that can preferably with different human body
Shape matches, and bulge structure progress more the stinging again to spinous process surface is not required to when inserting and removes or repairs, so as to simplify operation
Operation, remains spinous process sclerotin as much as possible；
2nd, the middle part of U-shaped structure disconnects, or is joined together in the middle part of U-shaped structure, the anglec of rotation when middle part of U-shaped structure disconnects
During more than being joined together in the middle part of U-shaped structure, the U-shaped structure of different elastic strengths be present, can be according to sufferer situation optimum selecting；
3rd, the middle part of U-shaped structure disconnects, and reduces U-shaped structure and forms dead space with human body, reduction causes hematocele be present；
4th, circular or arcuate structure is cased with U-shaped structure, or U-shaped structure is complete U-shaped, can be formed complete U-shaped structure,
It is cased with circular or arc U-shaped structure and circular or three kinds of different shape elastic constructions of arcuate structure, the effect that universal dynamic is fixed
Fruit is more preferably.
Brief description of the drawings：
Accompanying drawing 1 be a first fixed part bottom plate part of the invention be straight panel and another part be arc schematic diagram；
Accompanying drawing 2 is that a first fixed part bottom plate part of the invention is straight panel and another part is arc and elastic construction is circular
Structure or arcuate structure schematic diagram；
Accompanying drawing 3 disconnects for the middle part of U-shaped structure of the present invention and multiple vertical u-shaped sides connect into the arc of outward opening and shown
It is intended to；
Accompanying drawing 4 is to be joined together in the middle part of U-shaped structure of the present invention and multiple vertical u-shaped sides connect into the arc of outward opening
Schematic diagram；
Accompanying drawing 5 is the front view of the embodiment of the present invention one；
Accompanying drawing 6 is the side view of the embodiment of the present invention one；
Accompanying drawing 7 is the front view that elastic construction and the first fixed part and the second fixed part are directly connected in the embodiment of the present invention one；
Accompanying drawing 8 is the side view that elastic construction and the first fixed part and the second fixed part are directly connected in the embodiment of the present invention one；
Accompanying drawing 9 is the structural representation that elastic construction in the embodiment of the present invention one is circular configuration or arcuate structure；
Accompanying drawing 10 is the dimensional structure diagram of the embodiment of the present invention two；
Accompanying drawing 11 is the left view of the embodiment of the present invention two；
Accompanying drawing 12 is the connection of flank a and the first fixed part bottom plate, flank b and the second fixed part bottom plate in the embodiment of the present invention two
Schematic diagram；
Accompanying drawing 13 is that the both ends of spring in the embodiment of the present invention two connect the schematic diagram of U-shaped structure；
Accompanying drawing 14 is that spring one end connects the schematic diagram that the U-shaped structure other end connects the second fixed part in the embodiment of the present invention two；
Accompanying drawing 15 is the schematic diagram for having in the embodiment of the present invention two in U-shaped structure a circular configuration；
Accompanying drawing 16 is the schematic diagram for only having in the embodiment of the present invention two U-shaped structure；
Accompanying drawing 17 is the first fixed part front view of the embodiment of the present invention three；
Accompanying drawing 18 is the second fixed part of the embodiment of the present invention three and the schematic diagram of connecting plate circular sliding slopes；
Accompanying drawing 19 is the second fixed part and connecting plate schematic diagram connected vertically of the embodiment of the present invention three；
Accompanying drawing 20 is that the connecting plate of the embodiment of the present invention three is stair-stepping schematic diagram；
Accompanying drawing 21 is the position view of socket in the embodiment of the present invention three；
Accompanying drawing 22 is the structural representation that the embodiment of the present invention three is fixed after clamping using active plugboard；
Accompanying drawing 23 is the front view of the active plugboard of the embodiment of the present invention three；
Accompanying drawing 24 is the top view of the active plugboard of the embodiment of the present invention three；
Accompanying drawing 25 is top view of the active plugboard without double wedge of the embodiment of the present invention three；
Accompanying drawing 26 is the top view after the prefabricated anti-back plate bending deformation of active plugboard of the embodiment of the present invention three；
Accompanying drawing 27 is the schematic diagram that U-shaped structure is shorter in the embodiment of the present invention three；
Accompanying drawing 28 is schematic diagram of the U-shaped structure bottom without circular hole in the embodiment of the present invention three；
Accompanying drawing 29 is the round-meshed schematic diagram in U-shaped structure bottom in the embodiment of the present invention three.
Embodiment：
In order that juror can be further understood that to the purpose, feature and function of the present invention, hereby preferred embodiment is lifted simultaneously
Schema is coordinated to describe in detail as follows：
Embodiment 1：As seen in figs. 5-6, universal dynamic fixer includes the first fixed part 1, the second fixed part 2, elasticity between the spine
Structure 3 and attachment structure 4, the fixed part 2 of the first fixed part 1 and second are affixed into one by attachment structure 4 and elastic construction 3
Body, elastic construction 3 are connected between the first fixed part 1 and the second fixed part 2 by attachment structure 4, the first fixed part bottom
The bottom of the fixed part bottom plate 204 of plate 104 and second, which makes, one or more barbs 6, and the elastic construction 3 is by one or more
Connected U-shaped structure 301 is formed, and being made on the fixed part 2 of the first fixed part 1 and second has fixing hole 5, the side of fixing hole 5
To the vertical or out of plumb with the outer surface of the first fixed part 1 and the second fixed part 2.
Further, the both sides of the first described fixed part 1, which make, pincers tooth a101, and the both sides of the second fixed part 2 make
There are pincers tooth b201, the pincers tooth a101 and pincers tooth b201 for suitable spinous process y direction or perpendicular to spinous process y direction, or along spine
Prominent y direction is combined with perpendicular to spinous process y direction.
Further, as shown in figure 8, being cased with circular or arcuate structure in the U-shaped structure 301, or U-shaped structure
301 be complete U-shaped, the long 0-15mm in straight panel part of its U-shaped structure 301；As shown in Fig. 2, Fig. 9, when the straight panel of U-shaped structure 301
When partial-length is 0, its U-shaped structure 301 is directly substituted by circular configuration or arcuate structure, when the straight plate part of U-shaped structure 301
When point length is 15mm, its U-shaped structure 301 is directly complete U-shaped.
Further, the U-shaped structure 301 is U-shaped opening up and/or down vertical u-shaped, or U-shaped opening
Horizontal U-shaped inwardly and/or outwardly, or vertical u-shaped and horizontal U-shaped combination, it can also be one or more vertical u-shaped
Side connect into concave arc or convex arc and form outward opening or the inside horizontal U-shaped or arc of opening, it is or one or more
The side of horizontal U-shaped connects into concave arc or convex arc forms the horizontal U-shaped or arc for being open to the right or being open to the left.
As shown in Figure 5,6, the attachment structure 4 is platy structure, column structure, spring structure or helical structure, described
The length of attachment structure 4 be 0-8mm；As shown in Fig. 7-9, Fig. 1-4, when the length of attachment structure 4 is 0, the first fixed part 1
Can be affixed integral directly by elastic construction 3 with the second fixed part 2.
Universal dynamic fixer is first cut when being implanted into the human body of degenerated neck lumbar disease patient between the spine of the present embodiment
Supraspinal ligament and interspinal ligaments, spinous process sclerotin is repaired, then retract upper and lower spinous process to increase spine spacing, after die trial success, by first
The fixed part 2 of fixed part 1 and second is embedded in correct position from the afterbody of spinous process to the root of spinous process；Clamp again two flanks to its with
The sclerotin of spinous process both sides is fully affixed, and is finally fixed with or without medical suture or screw etc. by the first fixed part 1 and second
Fixing hole 5 in portion 2 is fixed on spinous process and/or supraspinal ligament after spinous process drills, that is, completes installation.
In the present embodiment by elastic construction 3 and attachment structure 4 can realize between spine elasticity strut with stretched before and after backbone it is in the wrong, also
The elasticity activity of all directions such as operated level or so lateral bending and rotation can be realized；It is implanted into and does not impose endorchis, during operation
Between it is short, operation safety is high, can be used for the less case of spine spacing, during postoperative human spine activity after the deformation of its elastic construction 3
Screen resilience is strong, and its vertical support of elastic construction 3 and elastoresistance damping capacity are strong.
Embodiment 2：The present embodiment is that the first fixed part 1 and the second fixed part 2 are directly affixed integral by elastic construction 3
A kind of embodiment, and two flank a of the first fixed part 1 and two flank b of the second fixed part 2 are flexibly to tear open
Unload structure.As shown in Figure 10-16, universal dynamic fixer between a kind of spine, including the first fixed part 1, the second fixed part 2 and elasticity
Structure 3, first fixed part 1 is directly affixed integral by the fixed part 2 of elastic construction 3 and second, due in adjacent spinous
Under inconsistent thus described the first fixed part 1 of size shape and the second fixed part 2 can be dissymmetrical structure, can also
It is symmetrical structure, is so advantageous to have with spinous process sclerotin and preferably matches.
Further, as shown in figs. 10-12, first fixed part 1 is by two flank a103, the first fixed part bottom plate
104 and buckle structure a105 is formed, and described two flank a103 and bottom plate 104 are flexibly connected by buckle structure a105, two
The end that being made on flank a103 inner side has pincers tooth a101, two flank a103, which makes, at least one fixing hole 5, two sides
Wing a103 downside making sticks up arc a102 outside having, and being made on bottom plate 104 has one or more barbs 6；Second fixed part 2
It is made up of two flank b203, the second fixed part bottom plate 204 and buckle structure b205, described two flank b203 and second are fixed
Portion's bottom plate 204 is flexibly connected by buckle structure b205, and being made on two flank b203 inner side has pincers tooth b201, two flanks
B203 end, which makes, at least one fixing hole 5, and two flank b203 downside makes to have sticks up arc b202 outside, and second fixes
Being made on portion's bottom plate 204 has one or more barbs 6.
Further, the pincers tooth a101 and pincers tooth b201 be along spinous process y direction or perpendicular to spinous process y direction,
Or it is combined along spinous process y direction with perpendicular to spinous process y direction.
Both sides of the elastic construction 3 between the first fixed part 1 and the second fixed part 2, or fixed positioned at first
Middle part between the fixed part 2 of portion 1 and second, it is made up of the connected U-shaped structure 301 of one or more, in the U-shaped structure 301
It is cased with circular or arcuate structure, or U-shaped structure 301 is complete U-shaped, the long 0-15mm in straight panel part of its U-shaped structure 301,
When the straight panel partial-length of U-shaped structure 301 is 0, its U-shaped structure 301 is directly substituted by circular configuration or arcuate structure, when
When the straight panel partial-length of U-shaped structure 301 is 15mm, its U-shaped structure 301 is directly complete U-shaped, and the U-shaped structure 301 is U
Shape opening upwards and/or downwards vertical u-shaped, or the horizontal U-shaped of U-shaped opening inwardly and/or outwardly, or vertical U
Shape and the combination of horizontal U-shaped, it can also be that one or more vertical u-shaped sides connect into concave arc or convex arc forms outward opening
Or the horizontal U-shaped or arc that opening is inside, or the side of one or more horizontal U-shapeds connects into concave arc or convex arc is formed and opened
Mouth to the right or opening horizontal U-shaped or arc to the left, there is that the structure of circle is as shown in figure 15 in U-shaped structure 301, U-shaped structure 301
It is directly as shown in figure 16 for the structure of arc.
As shown in Figure 13,14, the elastic construction 3 also includes spring 302, and the both ends of the spring 302 connect respectively
Middle part between both sides between one fixed part 1 and the second fixed part 2, or the first fixed part 1 of connection and the second fixed part 2,
Either both ends connect U-shaped structure 301 respectively or the first fixed part of one end connection U-shaped structure other end connection 1 or second is fixed
Portion 2, the both ends of the spring 302 connect middle part between the first fixed part 1 and the second fixed part 2 as shown in Figure 13 respectively, institute
State the one end of spring 302 connection U-shaped structure other end and connect the second fixed part 2 as shown in Figure 14.
Universal dynamic fixer can not cut when being implanted into the human body of degenerative lumbar scoliosis illness patient between the spine of the present embodiment
Supraspinal ligament, all or part of interspinal ligaments is cut off, spinous process is to increase spine spacing up and down for traction, after die trial success, by between the spine
Elastic construction 3 and bottom plate 104, the second fixed part bottom plate 204 of universal dynamic fixer are inserted between spine from the side in spine gap
The offside of gap, then the first fixed part 1 and the second fixed part 2 are passed through into buckle structure a and above-mentioned elastic construction 3 and bottom plate 104, the
Two fixed part bottom plates 204 link into an integrated entity, and will further assemble between the spine that finishes universal dynamic fixer from spinous process afterbody to
Between spinous process root insertion spine, the outer arc a102 and outer of sticking up of the first fixed part 1 and the lower end of the second fixed part 2 is utilized in telescopiny
Sticking up arc b202 elasticity makes the first fixed part 1 and the second fixed part 2 automatic in universal dynamic fixer implantation process between spine
Strut and be fixed on upper and lower spinous process, complete installation；Also pass through the first fixed part 1 and second using suture, screw or wire
First fixed part 1 and the second fixed part 2 are further fixed on spinous process and/or supraspinal ligament by the fixing hole 5 on fixed part 2, just
Complete installation；The first fixed part 1 and the barb 6 of the bottom of the second fixed part 2 are then hooked on spinous process after installation, prevent the first fixed part
1 and second fixed part 2 to retrolisthesis, in order to prevent the insecure of the hook of barb 6, spinous process can suitably be repaired.By between spine ten thousand
To fixed between dynamic fixer and spinous process it is appropriate after, finally suture supraspinal ligament, complete installation.First fixes in the present embodiment
Two flank a in portion 1 and two flank b of the second fixed part 2 be can flexible detaching structure, be not required to cut in operation or cut
Except supraspinal ligament.
Embodiment 3：First fixed part 1 and the second fixed part 2 of the present embodiment are two half U-shaped structures, connect two and half U
The attachment structure 4 of shape structure is the combination of cutting ferrule 401 and connecting plate 402.
As shown in Figure 17-29, universal dynamic fixer between a kind of spine, including including the first fixed part 1, the second fixed part 2,
Elastic construction 3 and attachment structure 4, elastic construction 3 are located at the middle part of the first fixed part 1 and the second fixed part 2, and described first fixes
The fixed part 2 of portion 1 and second is two half U-shaped structures, and the fixed part 2 of the first fixed part 1 and second passes through attachment structure 4 and bullet
Property structure 3 connect, connecting plate 402 can be deformed with anti-loosing screw or bending machine after connection reinforce connection after connection knot
Structure 4.
Further, described attachment structure 4 is made up of cutting ferrule 401 and connecting plate 402, and cutting ferrule 401 is fixed positioned at first
The middle part in portion 1, cutting ferrule 401 are hollow structure, and connecting plate 402 is located at the middle part of the second fixed part, and the outer end of connecting plate 402 makes
There are screw or fluting 404, respective production has screw or slotted eye 403 on cutting ferrule 401, and described cutting ferrule 401 and connecting plate 402 are distinguished
For two, the screw that connecting plate 402 is penetrated after cutting ferrule 401 thereon is corresponding with the screw on cutting ferrule 401, is locked into by screw
One, or connecting plate 402 is penetrated after cutting ferrule 40 and inserts bending machine to the fluting on connecting plate 402 from the slotted eye on cutting ferrule 401
Part carries out bending deformation, connecting plate 402 is fixed in cutting ferrule 401, and the half U-shaped of the first fixed part 1 and second is consolidated after connection
The half U-shaped for determining portion 2 forms a complete U-shaped structure, the barb 6 of the bottom of the first fixed part 1 then hook in spinous process root.
Further, connecting plate 402 can be arc as shown in figure 18, can be cylindricality as shown in figure 19, may be used also
With like as shown in figure 20 stepped.
Further, on described the first fixed part 1 and the second fixed part 2, cutting ferrule 401 and connecting plate 402 make have to
A few fixing hole 5, aid in fixing for medical nonabsorable suture, wire, holdfast, screw or polythene material.It is described
The bottom of first fixed part 1, which makes, one or more barbs 6, and the both sides of the first described fixed part 1, which make, pincers tooth
A101, the both sides of the second fixed part 2, which make, has pincers tooth b201, the pincers tooth a101 and pincers tooth b201 for along spinous process y direction
Or it is combined perpendicular to spinous process y direction, or along spinous process y direction with perpendicular to spinous process y direction.
As shown in figure 21, being made respectively in the half U-shaped structure of the fixed part 2 of the first fixed part 1 and second has what is run through
Socket 106, the direction of socket 106 is vertical with the outer surface of the first fixed part 1 or the second fixed part 2 or out of plumb, such as Figure 18-22
Shown, socket 106 makes built with active plugboard 7, on active plugboard 7 prefabricated anti-back plate 701, screw and double wedge 702, double wedge
702 are located at any surface of active plugboard 7, and the head end of active plugboard 7 is fabricated to domatic, and domatic making has embedded tooth 704, and activity is inserted
The tail end of plate 7, which makes, boss 703, and boss 703 is located at any one side of active plugboard 7, and active plugboard 7 is convex when being implanted into human body
Tooth 702, again from outside to inside will be living when being needed in art close to the first fixed part 1 and the internal layer plate face of the half U-shaped structure of the second fixed part 2
Dynamic plate 7 is further inserted into socket 106, recycles screw to be screwed into or carries out bending change to prefabricated anti-back plate 701 using bending machine
Shape retracts to prevent active plugboard 7, and when active plugboard 7 is fabricated to the taper without double wedge 702, active plugboard 7 is not first mounted in slotting
In mouth 106, after active plugboard 7 is inserted into socket 106 from outside to inside as needed in art, screw is recycled to be screwed into or utilize folding
Curved device carries out bending deformation to prefabricated anti-back plate 701 and retracted to prevent active plugboard 7.
Further, as can be seen in figures from 27 to 29, the elastic construction 3 is made up of the connected U-shaped structure 301 of one or more,
Be cased with circular or arcuate structure in the U-shaped structure 301, or U-shaped structure 301 is complete U-shaped, its U-shaped structure 301 it is straight
The long 0-15mm of plate part, when the straight panel partial-length of U-shaped structure 301 is 0, its U-shaped structure 301 is directly circular configuration or arc
Shape structure is substituted, and when the straight panel partial-length of U-shaped structure 301 is 15mm, its U-shaped structure 301 is directly complete U-shaped, institute
U-shaped structure 301 is stated as U-shaped opening up and/or down vertical u-shaped, or the horizontal U of U-shaped opening inwardly and/or outwardly
Shape, or vertical u-shaped and horizontal U-shaped combination, it can also be that one or more vertical u-shaped sides connect into concave arc or convex
Arc forms outward opening or the inside horizontal U-shaped or arc of opening, or one or more horizontal U-shapeds side connect into it is recessed
Arc or convex arc form the horizontal U-shaped or arc for being open to the right or being open to the left.
Universal dynamic fixer first corrects spine when being implanted into the human body of degenerative lumbar scoliosis illness patient between the spine of the present embodiment
Prominent sclerotin, then upper and lower spinous process is retracted to increase spine spacing, after die trial success, with longitudinal compression device with the pattern of elastic construction precompressed
First fixed part 1 between the root insertion spine of patch spinous process, is taken out into longitudinal compression device below the supraspinal ligament of spinous process side；Try again
After mould, by the second fixed part 2 between the opposite side of spinous process insertion spine, then folder holds together in opposite directions by the first fixed part 1 and the second fixed part 2
Connecting plate 402 to attachment structure 4 is buckled into cutting ferrule 401, makes the first fixed part 1 and the snapping of the second fixed part 2 integral, connection
Screw or fluting 404 on plate 402 is corresponding with the screw on cutting ferrule 401 or slotted eye 403, then will by above-mentioned screw with screw
Connecting plate 402 locks integrally with cutting ferrule 401, or inserts bending machine to the fluting on connecting plate 402 from the slotted eye on cutting ferrule 401
Part makes connecting plate 402 be firmly fixed in cutting ferrule 401 after carrying out bending deformation, and the half of the fixed part 1 of connecting plate 402 and first
U-shaped just forms a complete U-shaped structure, and the barb 6 of the bottom of the first fixed part 1 is then fixed on spinous process root.Also institute can be passed through
The first fixed part 1 and the second fixed part 2 stated, cutting ferrule 401, the fixing hole 5 on connecting plate 402 with medical nonabsorable suture,
Metal wire, holdfast, screw or polythene material auxiliary are fixed., can be by the work of both sides when finding fixed not firm enough in operation
Dynamic plate 7 is inwardly driven into, and the insertion tooth 704 of active plugboard 7 is further embedded in the sclerotin of spinous process or vertebral plate, at the same time, living
The afterbody of dynamic plate 7 is also further embedded in socket 106, recycles screw to be screwed into or using bending machine to prefabricated anti-back plate 701
Bending deformation is carried out, is rearwardly retracted to prevent active plugboard 7, in this way, pincers tooth a101 and the second fixed part on the first fixed part 1
First fixed part 1 and the second fixed part 2 then can be firmly implanted into and moved back by the connecting plate 402 on pincers tooth b201 and U-shaped structure on 2
It is denatured in the human body of cervical vertebra/lumbar disease illness people, that is, completes installation.
In the technical scheme described in above-described embodiment 1-3, each U-shaped height, size, the thickness of plate of the U-shaped structure 301
Degree, plate spacing are consistent or inconsistent, and the both sides plate face of each U-shaped of the U-shaped structure 301 is parallel or not parallel；It is described
The thickness of the plate of the different parts of first fixed part 1, highly to be consistent or inconsistent, the different parts of the second fixed part 2
The thickness of plate, highly to be consistent or inconsistent, the height of the first fixed part bottom plate 104 and the second fixed part bottom plate 204,
The thickness of size or plate, highly it is consistent or inconsistent；The first fixed part bottom plate 104 and the second fixed part bottom plate 204
For straight panel or arc, or a part is straight panel, and another part is arc, and the first fixed part bottom plate 104 and second is solid
Determine the plate face of portion's bottom plate 204 in facing directly or cambered surface, or bottom plate a plate face part to face directly, another part is cambered surface, described the
One fixed part bottom plate 104 is shaped as consistent or inconsistent, the middle part of the U-shaped structure 301 with the second fixed part bottom plate 204
Disconnect or join together, the first described fixed part 1 or the second fixed part 2 are with being plane at spinous process, vertebral plate sclerotin attaching or being in
Cambered surface；The surface spraying of first fixed part, 1 and second fixed part 2 has the material of induction Bone Ingrowth or carries out voided, screw thread
Change is handled.
Universal dynamic fixer between a kind of involved spine, can use biological medical polymer in above-described embodiment 1-3
Material, biomedical metallic material are made using both.Biological medical polymer material can include following a kind of or more
Kind：Polyethylene, polymethyl methacrylate（PMMA）, biodegradable polymer（PLA, chitin）, Peek materials
Material；Biomedical metallic material can include one or more of：Medical stainless steel（Exemplary alloy is Fe-18Cr-14Ni-
3Mo）, cobalt-base alloys, titanium-base alloy（The most frequently used titanium alloy is Ti-6Al-4V (Ti-6AL-4V)）, marmem（Nickel
Titanium memorial alloy）；Tantalum, niobium, wherein, pay the utmost attention to use titanium alloy, be readily produced and rejection is small, pure titanium and stainless steel also compared with
It is good.
Universal dynamic fixer between a kind of involved spine, can there is different specifications in above-described embodiment 1-3, with
Suitable for different applications or object, for example, total length：8-80mm, it is preferable that scope is more suitable for person in middle and old age in 20-55mm
The bone of people；The internal clearance of first fixed part 1 and the structural openings of the second fixed part 2：6-18mm, it is preferable that scope in 6-16mm,
It is more suitable for the bone of majority；U-shaped structure height：6-30mm；The thickness of U-shaped structure plate：0.4-3mm, certain thickness can
To ensure certain stability, width：2-30mm, it may be considered that the matching with opening internal clearance.
Universal dynamic fixer between a kind of spine of the present invention, its fixed part 2 of the first fixed part 1 and second are fixed respectively
It is of the invention for Coflex in two adjacent spinous process, and in space of the integral installation between two adjacent spinous
The implantation site of barb 6 on first fixed part bottom plate 104 and the second fixed part bottom plate 204 is deeper, i.e., revolving force mainly acts on
The sclerotin of spinous process root or vertebral plate, this spinous process root or vertebral plate is more firm compared with the sclerotin of spinous process other parts, is lived so as to reduce lumbar vertebrae
The risk of fracture of spinous process when dynamic, and do not impose dura mater during installation, thus the risk of dura mater damage is also reduced, without artificial
Change spinal sagittal position pivot, its elastoresistance damping capacity is strong, can be produced in the root of spinous process lasting, good vertical
Support force；Its elastic construction is longer, can carry out stretching the activity of bending on human spine y direction, and can is in human spine or so
Lateral bending and rotary moveable are carried out on direction, i.e., universal dynamic fixer can be carried out each after being installed on bone between spine of the invention
The activity in direction, and Coflex can only one-way movable, can largely limit human physiological activity, Coflex flank is
Straight panel structure, and the middle part bulge structure that the surface of spinous process is thick middle, both ends are thin, spine spacing then show as the afterbody in spinous process
Small, the characteristics of bottom is big, therefore often need that the bulge structure of spinous process surface sting to remove or repair when installing in art, and it is of the invention
The flank a103 and flank b203 of first fixed part 1 and the second fixed part 2 are in the curved design in middle part, Yi Ji in embodiment 2
A part of curved design of one fixed part bottom plate 104 and the second fixed part bottom plate 204, thus be often not required to again when being inserted in art it is right
The bulge structure of spinous process surface carries out more stinging and removes or repair, and so as to simplify operation technique, remains spine as much as possible
Prominent sclerotin.
Further, first fixed part 1 of universal dynamic fixer and the second fixed part 2 have between spine of the present invention
Opening up or down, for clamping spinous process, and the suture of fixing hole 5, the spiral shell on flank a103 and flank b203 can be passed through
Nail or wire are fixed, and elastic device 3 be used to enable universal dynamic fixer between spine realize in sagittal plain it is anteflexion, after
Stretch, the elasticity activity of all directions such as rotation in left and right lateral bending, Coronal and sagittal plain, so as to aid in realizing backbone each
Activity on direction, realize that Dynamic Elastic movable in all directions is stable.
Certainly, the use range illustrated above for being only better embodiment of the present invention, the present invention not being limited with this, therefore,
It is every made in the principle of the invention it is equivalent change should be included within the scope of the present invention.
Claims (7)
1. universal dynamic fixer, mainly includes between a kind of spine：First fixed part, the second fixed part, attachment structure and elasticity knot
Structure, the first fixed part and the second fixed part are affixed integral by attachment structure and elastic construction, and elastic construction is by one or more
Individual connected U-shaped structure is formed, it is characterised in that：The first described fixed part is by two flank a, the first fixed part bottom plate and card
Buckle structure a is formed, and the second fixed part is made up of two flank b, the second fixed part bottom plate and buckle structure b, the first fixed part bottom
Plate and the second fixed part bottom plate are straight panel or arc, or a part is straight panel, and another part is arc, the first fixed part
The plate face of bottom plate and the second fixed part bottom plate is in facing directly or cambered surface, or a part is faces directly, another part is cambered surface.
2. universal dynamic fixer between a kind of spine according to claim 1, it is characterised in that：In described U-shaped structure
Portion disconnects, or is joined together in the middle part of U-shaped structure.
3. universal dynamic fixer between a kind of spine according to claim 2, it is characterised in that：Described U-shaped structure inner sleeve
There is circular or arcuate structure, or U-shaped structure is complete U-shaped.
4. universal dynamic fixer between a kind of spine according to claim 3, it is characterised in that：Described U-shaped structure straight panel
Partial-length is 0-15mm, and when U-shaped structure straight panel partial-length is 0, its U-shaped structure is directly replaced by circular or arcuate structure
Generation.
5. universal dynamic fixer between a kind of spine according to claim 4, it is characterised in that：Described U-shaped structure is U-shaped
Outward opening and/or inwardly vertical u-shaped, or the horizontal U-shaped of U-shaped opening to the right and/or to the left, or it is vertical u-shaped
With the combination of horizontal U-shaped.
6. universal dynamic fixer between a kind of spine according to claim 5, it is characterised in that：Described U-shaped structure may be used also
Be one or more vertical u-shaped sides connect into concave arc or convex arc formed outward opening or the inside horizontal U-shaped of opening or
Arc, or the side of one or more horizontal U-shaped connect into concave arc or convex arc forms opening to the right or opening water to the left
Flat U-shaped or arc.
7. universal dynamic fixer between a kind of spine according to claim 1, it is characterised in that：First fixed part and
The thickness of the plate of two fixed part different parts, highly to be consistent or inconsistent, the height of the first fixed part and the second fixed part,
The thickness of size or plate, highly to be consistent or inconsistent, the first fixed part bottom plate and the second fixed part bottom plate are shaped as one
Cause or inconsistent.
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| CN201710976569.5A CN107595375A (en) | 2017-10-19 | 2017-10-19 | Universal dynamic fixer between a kind of spine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976569.5A CN107595375A (en) | 2017-10-19 | 2017-10-19 | Universal dynamic fixer between a kind of spine |
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| CN201710976569.5A Pending CN107595375A (en) | 2017-10-19 | 2017-10-19 | Universal dynamic fixer between a kind of spine |
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