CN105287059A - Interbody fusion cage and implantation device thereof - Google Patents
Interbody fusion cage and implantation device thereof Download PDFInfo
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- CN105287059A CN105287059A CN201410367782.2A CN201410367782A CN105287059A CN 105287059 A CN105287059 A CN 105287059A CN 201410367782 A CN201410367782 A CN 201410367782A CN 105287059 A CN105287059 A CN 105287059A
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Abstract
The invention provides an interbody fusion cage and an implantation device thereof. The interbody fusion cage is implanted between two adjacent vertebrae of a vertebral column to replace an intervertebral disc issue in degeneration and protrusion so as to recover and keep a normal vertebral clearance height. The interbody fusion cage is characterized by comprising a supporting component and a limiting part, the supporting component is used for supporting the vertebrae, and the limiting part is connected with the supporting component and used for limiting the supporting component; the supporting component is formed by matching a first implantation member with a second implantation member, and the limiting part limits longitudinal and bilateral relative displacement between the first implantation member and the second implantation member after matching is finished. By adoption of a design that the first implantation member and the second implantation member are combined to form a whole implant, thicker interbody fusion cages can be implanted by the aid of an existing 8mm intervertebral foramen endoscope without use of intervertebral foramen endoscopes with larger diameters, and accordingly injuries to patients are reduced.
Description
Technical field
The present invention relates to a kind of BAK, the invention still further relates to a kind of implanting device for implanting this BAK.
Background technology
Between the adjacent vertebrae of intervertebral disc in spinal column.Intervertebral disc can help stabilizing spinal and help to distribute the power between vertebral body.Intervertebral disc comprises the outer fiber ring around interior vertebral pulp.Fibrous ring is collagen fiber and fibrocartilaginous concentric layered shell polysaccharide structure, can resist torsion and bending force.Vertebral pulp comprises colloidal materials, and colloidal materials can the stress of Absorption on intervertebral disc.Easily there is the displacement that caused by wound, disease or other degenerative processes or damage with advancing age in intervertebral disc.Such as, fibrous ring may weaken or tear, and this may cause Nucleus pulposus to the spine regions comprising spinal nerves, such as, in vertebral foramen.Outstanding vertebral pulp may be pressed on spinal nerves, causes pain, numbness, fiber crops thorn, diminished strength and lost motion.
The Minimally Invasive Surgery such as foramen intervertebrale lens, MED is little compared with traditional open surgery wound, and patient's post-operative recovery is fast, is the direction of surgery development.After the reconstruction of nucleus gelatinosus tissue of degeneration is extractd by Minimally Invasive Surgery, interbody space supports owing to lacking, normal disc height is lost, between intervertebral foramina, nerve root canal and vertebral body, Minor articulus structure changes, there will be new pathological change, such as Minor articulus pain, limitation of activity, root compression etc.
In order to solve above-mentioned situation, displacement or impaired intervertebral disc can pass through to perform the operation from spinal column removal and two adjacent vertebraes can be merged.Although this technology can ease the pain and can improve stability of joint, it also can cause the spinal joint merged to move.
Preferred plan is used in Minimally Invasive Surgery to extract the reconstruction of nucleus gelatinosus tissue of regression degeneration simultaneously, implants artificial intervertebral fusion device, replace intervertebral disc to support adjacent vertebral bodies, maintain normal vertebral body clearance height.The thickness range of traditional BAK is 8mm-14mm, but the diameter of foramina intervertebrale mirror conventional in Minimally Invasive Surgery is 8mm, in order to implant thicker cone intercalated disc implant, more wide-aperture implanting device have to be adopted, such as the operation path device of U.S. Shu Famo company 4cm diameter.Use bigbore implanting device that surgical wound can be made to become large, much larger than the wound of usual 8mm of the wound of 4cm diameter, many compared with foramen intervertebrale lens surgery anesthesia complication under local anaesthesia, damage is large, and post-operative recovery is slow.
In addition, large diameter lane device cannot implant Invasive lumbar fusion device from the vertebra dorsal part of patient.Implant from waist side, through the psoas major of patient, need damage greatly and easily accidentally injure abdominal organs.In existing numerical example case, adopt the recovery situation of the patient of this kind of major diameter operation path device placement Invasive lumbar fusion device all undesirable.
Summary of the invention
The object of the present invention is to provide a kind of BAK, make its can when using common 8mm foramen intervertebrale lens up and down between two vertebral bodys of patients with implantation vertebra, the large wound damage that the large aperture implanting device adopted to reduce in prior art the implant of implanting formed objects causes patient.
Present invention employs following technical scheme:
< structure one >
For supporting the supporting component of described vertebral body; And be connected with this supporting component, spacing locating part is carried out to this supporting component, wherein, described supporting component is implanted component and second by first and is implanted Components Matching and is formed, described locating part restriction described first implant component and described second implant Components Matching completely after there is the relative displacement of front and back and left and right directions each other.
In addition, BAK of the present invention, can also have such feature: wherein, component implanted by described first implantation component and described second is landing shape, and two surfaces up and down after described first implantation component and described second implantation component mate mutually are parallel to each other.
In addition, BAK of the present invention, such feature can also be had: wherein, described locating part has two the first locating parts be separately positioned on the described first implantation component face relative with described second implantation component, described first locating part has pawl structure, makes the second implantation component can only implant component relative to first and forwards moves.
In addition, BAK of the present invention, such feature can also be had: wherein, described first implants component or described second implants the outer rim of component in the region contacted with the other side, has second locating part that at least can limit in the lateral direction and relative displacement occurs between described first implantation component and described second implantation component.
In addition, BAK of the present invention, can also have such feature: wherein, and the first shape implanting the contact surface of component and the second implantation component is the narrow shape in middle wide two ends.
In addition, BAK of the present invention, can also have such feature: wherein, and described first left and right sides of implanting component and described second implantation component has the projection of reservation shape.
In addition, BAK of the present invention, can also have such feature: wherein, and the surface that described first implantation component and described second implantation component contact with described upper and lower two vertebral bodys is the rubbing surface of increasing friction force.
In addition, BAK of the present invention, can also have such feature: wherein, and described first implants component and second at least one implantation in component has the tissue allowing tissue grow into and to grow into groove.
In addition, BAK of the present invention, such feature can also be had: wherein, described second implants and component has the described tissue implanting component with described first and to grow into the guide and limit part that groove matches, described tissue groove of growing into also guides described guide and limit part to travel forward as gathering sill, and described guide and limit part implants the relative movement occurred between component on left and right directions with limit two.
< structure two >
A kind of implanting device, for the BAK of any one in implant infrastructure one, is characterized in that, comprising: the body allowing the first implantation component and second implant component to pass therethrough; The propelling installation component that component is pushed into the precalculated position between vertebral body is implanted by first; Implant member removable be connected with first, implant the first pull-push piece of component for push-and-pull first; And implant with second the second pull-push piece implanting component for push-and-pull second that member removable is connected,
Wherein, mounting kit is advanced to have the conveying supporting parts of support and conveying first implantation component, and the front end being connected to supporting parts pushes installed part for what push the first implantation component, this pushes installed part also for allowing the second implantation component pass through from top and moving to the installation that to match above the first implantation component.
Invention effect and effect
According to BAK of the present invention, on the one hand, the design of the complete implant of the combined formation of component is implanted owing to which employs the first implantation component and second, make when utilizing existing 8mm foramen intervertebrale lens carry out Minimally Invasive Surgery and implant BAK, the BAK thickness of implantation can be made larger, if adopt the BAK of single bulk, under the cross section of BAK is foursquare situation, its maximum gauge is only 6mm, and after the scheme just implanted with split of the present invention, maximum gauge can double, reach 12mm.This thickness substantially covers the thickness range 8mm-14mm of conventional BAK.If component implanted by the first implantation component of the present invention and second adopt rectangle in the height direction, then the height that can reach 14mm after component coincide completely implanted by the first implantation component and second.This just effectively utilizes existing 8mm foramen intervertebrale lens, implants the BAK of normal level when not increasing wound.
In addition, due to have employed locating part limit the first implantation component and second implant Components Matching completely after occur each other before and after and the relative displacement of left and right directions, therefore BAK of the present invention structure is after the implantation very stable.
Therefore BAK of the present invention can utilize existing 8mm foramen intervertebrale lens to implant, and use bigbore foramen intervertebrale lens without the need to the BAK in order to implant heavy thickness, little to the damage of patient, surgical effect is better.
Accompanying drawing explanation
Fig. 1 is the oblique view that BAK of the present invention is in installation process;
Fig. 2 is the front oblique view after BAK installation of the present invention;
Fig. 3 is the rear oblique view after BAK installation of the present invention;
Fig. 4 is the rearview after BAK installation of the present invention;
Fig. 5 is the oblique view of BAK of the present invention in embodiment two;
Fig. 6 is the top view of BAK of the present invention in embodiment two;
Fig. 7 is the front view that BAK of the present invention and implanting device are installed together;
Fig. 8 is the explosive view of intervertebral disc plant thing of the present invention and its implanting device;
Fig. 9 is the using state figure of implanting device of the present invention;
Figure 10 is the rearview of BAK of the present invention in embodiment three; And
Figure 11 is the oblique view of BAK of the present invention in embodiment three.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described
< embodiment one >
Fig. 1 is the oblique view that BAK of the present invention is in installation process.As shown in Figure 1, BAK 10 comprises the first implantation component 11 and second and implants the shape that component 12, first and second implants component and be trapezoidal shape.Two the first locating parts 13 have the pawl structure that can mutually be engaged, and lay respectively at the first implantation component 11 and second and implant on the relative face of component 12, and two the first locating parts 13 are integrally formed respectively at the first implantation component 11 and the second implantation component 12.The shape of the pawl on the first locating part 13 is triangle, and it is leg-of-mutton before wherein a limit is tilted to, another limit is straight down, like this, when the first implantation component 11 is implanted to after between two vertebral bodys in advance, limit before being tilted to can make the second implantation component 12 can only implant the below forward slip of component 11 from first, and the pawl limit straight down on two the first locating parts 13 can stop the second implantation component 12 to slide backward relative to the first implantation component 11.The upper and lower surface contacted with vertebral body after two implantation components mate completely is equal.Implant in the upper and lower surface that contacts with vertebral body of component for two and all there is pawl structure, skid off vertebral body backward after the implantation to prevent implantation component.
Second locating part 18 is strip, be arranged at the both sides of the second locating part 11 of the first implantation component 11, and upwards above the upper end of the first locating part 13, this kind of structure can limit the first implantation component 11 and implant the displacement that component 12 occurs on left and right directions relative to second.As shown in Figure 2, after first implants component 11 and the second implantation component 12 matches completely, the upper and lower surface of BAK 10 is equal, forms the supporter supported upper hypocentrum.Now can not there is the displacement on fore-and-aft direction in the first locating part 13 under the pressure of upper hypocentrum after being mutually engaged, second locating part 18 is positioned at the both sides of the first implantation component 11 and the second implantation component 12, and the displacement on left and right directions occurs between restriction first implantation component 11 and the second implantation component 12.
First implants component 11 and the second centre of implanting component 12 all has the tissue running through upper and lower surface and to grow into groove 15, and tissue groove 15 of growing into can allow the tissue of hypocentrum grow into, and improves the degree of stability of BAK 10 at implantation position.
As shown in Figure 2, second implants the front end of component 12 has arcuate front ends 21, when it is by can not due to the too sharp-pointed and damaged tissue in front end or to be stuck in vertebral body upper and cannot advance during space between two vertebral bodys.
Second implants the grow into front end of groove 15 of the tissue of component 12 is provided with lead 16, the length of lead 16 stretches out the bottom of the second implantation component 12, when mounted, the tissue that the first implantation component 11 is stretched in the bottom of lead 16 is grown in groove 15, in the process of pushing ahead, lead 16 travels forward along tissue groove 15 of growing into, thus the second direction of advance implanting component 12 is played to the effect of guiding, prevent the second implantation component 12 from the process of advancing, deviating from the edge of the first implantation component 11.
Fig. 3 is the rear oblique view after BAK installation of the present invention, and as shown in Figure 3, what have the first screwed hole 19, second implantation component 12 after the first implantation component 11 has the second screwed hole 20 below.First screwed hole 19 and the second screwed hole 20 are for being connected with first push-pull bar 35 and the second push-pull bar 36 of the implanting device shown in Fig. 7.In the middle of first bottom of implanting component 11, there is pre-and post perforative arc support groove 17, arc support groove 17 for matching with supporting parts 31, and by supporting parts 31 supports.Groove 14 is positioned at the below of the second screwed hole 20, can prevent the rear end of the second implantation component 12 from touching the first push-pull bar 35, enhancing the stability in progradation when implanting.
Fig. 4 is the rearview after BAK installation of the present invention, as shown in Figure 4, first four angles of implanting component 11 and the second implantation component 12 go out to be fillet, better can utilize the inner cylinder build space of existing 8mm foramen intervertebrale lens, what the first implantation component 11 and the second height implanting component 12 can be done is higher.
First implantation component 11 and the second implantation component 12 use PEEK material to make.The Chinese name of PEEK material is polyether-ether-ketone, and PEEK not only has the advantages such as quality is light, nontoxic, corrosion-resistant, or the current and immediate material of skeleton, and can organically combine with human body, the raw material be therefore suitable for as orthopaedics implant uses.
Embodiment effect and effect:
According to the BAK of embodiments of the invention one, on the one hand, the design of the complete implant of the combined formation of component is implanted owing to which employs the first implantation component and second, make when utilizing existing 8mm foramen intervertebrale lens carry out Minimally Invasive Surgery and implant BAK, the BAK thickness of implantation can be made larger, if adopt the BAK of single bulk, under the cross section of BAK is foursquare situation, its maximum gauge is only 5.6mm, and after the scheme just implanted with split of the present invention, maximum gauge can double, reach 11.2mm.This thickness substantially covers the thickness range 8mm-14mm of conventional BAK.
In addition, owing to have employed the first locating part of pawl structure, can prevent from the first implantation component from implanting component relative to second on the one hand in implantation process to retreat, implant between component at two on the other hand and mate completely, utilize the pressure effect of upper and lower two vertebral bodys, limit two and implant the relative displacement that fore-and-aft direction occurs between component.Due to have employed the second locating part limit two implant coupling between components completely after there is the relative displacement of left and right directions each other, therefore BAK of the present invention structure is after the implantation very stable.
Therefore BAK of the present invention can utilize existing 8mm foramen intervertebrale lens to implant, and use bigbore foramen intervertebrale lens without the need to the BAK in order to implant heavy thickness, little to the damage of patient, surgical effect is better.
< embodiment two >
For the structure identical with embodiment one, the present embodiment two gives identical numbering, and saves identical explanation.
As shown in Figure 5 and Figure 6, it is the wide shape in narrow centre, two ends that first of BAK 40 implants component 41 and the second shape of shape in this enforcement implanting the cross section of component 42, below this shape is called fat shape.
As shown in Figure 5, BAK 40 comprises the first implantation component 41 and second to implant component 42, two the 3rd locating parts 45 are upper ends is the lamellar of circular arc, is arranged at the both sides of the first implantation component 11 and protrudes upward.There is no to show the structure with the groove 14 on relevant position in Fig. 3 in Fig. 5.As shown in Figure 6, two the 3rd locating parts 45 are positioned at the front of middle part the widest part of fat shape, be arranged at this position can either limit the first implantation component 11 and implant the displacement that component 12 occurs on left and right directions relative to second, again can after first to implant component 41 and the second implantation component 42 matches mutually, restriction second is implanted component 42 and is moved forward.First implants component 41 and second implants component 42 and has the first screwed hole 43 and the second screwed hole 44 for removably connecting with the push-pull bar in implanting device respectively.Lead 46 and tissue groove 47 of growing into matches, and to advance and be arranged on the first implantation component 41 for guiding the second implantation component 42 when mounted along correct direction.
Embodiment effect and effect:
Except there is advantage that embodiment one has, because have employed fat shape in the present embodiment two first implants component and the second implantation component, and have employed two the 3rd locating parts than more small size in embodiment one, therefore, the inner space that 3rd locating part takies 8mm foramen intervertebrale lens is less, for favorable attributes has been made in the working place increasing volume and the increase operator implanting component.
< embodiment three >
Present embodiments provide the another kind of embodiment of BAK of the present invention.Other structure of the implantation component of the present embodiment is if pawl structure of lead and upper and lower surface etc. is with several embodiment is identical above.Below only just describe with the different piece of above two embodiments.
Figure 10 is the rearview of BAK of the present invention in embodiment three; And Figure 11 is the oblique view of BAK of the present invention in embodiment three.
As shown in Figure 10 and Figure 11, as can be seen from the rearview of BAK 50, when first left and right sides of implanting component 51 and the second implantation component 52 is circular shape outwardly, be similar to the cylindrical of foramen intervertebrale lens, the aperture shape of this circular shape and 8mm foramen intervertebrale lens matches, and makes volume and the large as far as possible implantation component of width to utilize the internal diameter of foramen intervertebrale lens to greatest extent.
First left and right sides of implanting component 51 also has the 3rd locating part 53 as shown in figure 11,3rd locating part 53 has the radian that the radian of implanting component 52 both sides with second matches, match better to implant component with second, limit the relative displacement occurred between two implantation components on left and right directions.In order to make the second implantation component 52 can enter between two locating parts smoothly, the second external diameter implanting component 52 has done and has reduced accordingly.Certainly in order to obtain the BAK 50 of larger height, two implant component to try one's best do large height, after increasing highly further, both match after rearview close to positive circular as Figure 10, but can not can form the Pear-Shaped expanded at middle concave two ends.
Compared with embodiment two, the present embodiment further increases the volume implanting component, make use of the inner space in vertebral foramen footpath more fully.Implant the increase of volume of component, be conducive to increasing its stability after the implantation.
< embodiment four >
The present embodiment provides and BAK implantation vertebra is connected implanting device between vertebral body and using method thereof up and down.The method implanted BAK the implanting device provided in the present invention due to employing is substantially identical.Only be described to implant the BAK provided in embodiment one in the present embodiment.
Fig. 7 is the front view that BAK of the present invention and implanting device are installed together, as shown in Figure 7, implanting device 30 comprise body 34, implant the first pull-push piece 35 that component 11 removably connected by screw thread with first, and the second supporting parts 31 being positioned at the first implantation component 11 and pushing bottom installed part 32 pushed shown in installed part 32 and Fig. 8 at rear implanted the second pull-push piece 36 that component 12 removably connected by screw thread, be positioned at the first implantation component 11.
The internal diameter of body 34 is 8mm, adopt the foramen intervertebrale lens in existing 8mm aperture, its tube chamber can allow the first implantation component 11 or second implant component 12 separately through, the tube chamber cross section due to foramen intervertebrale lens is the circle of diameter 8mm, connects the foursquare length of side to be in this circle
r is circular radius, and R=4mm in the present embodiment, then connect the foursquare length of side and be about 5.65mm in it.That is when first implants component 11 or the second bottom surface of implanting the halfpace of component 12 is square, when keeping flat between implantation two vertebral bodys with the direction shown in Fig. 5, maximum height is for 5.65mm, take to implant the identical halfpace of component 11 with first if second implants component 12, then first implant component 11 and second and implant component 12 and mate afterwards maximum height completely and can reach 11.3mm, if the bottom surface of halfpace adopts rectangle, height when then keeping flat can be greater than 5.65mm, now first implant component 11 and second implant component 12 mate afterwards maximum height completely can more than 11.3mm.
As shown in Figure 7, the inclination angle of inclined plane design of component 11 is implanted on the inclined-plane pushing installed part 32 according to first, keep the inclination angle of inclined plane implanting component 11 with first consistent.Also have the groove allowing the first pull-push piece 35 pass through in the middle of the inclined-plane, make the first pull-push piece 35 can not take next second and implant the space that component enters.
As shown in Figure 8, supporting parts 31 with push between installed part 32 as being fixedly connected with, the shape of supporting parts 31 is flat lamellar, the bossed radian of upper surface tool, this radian mates with the shape picture of the support groove 17 shown in Fig. 3, for holding up support groove 17, after connecting between the first implantation component 11 and the first pull-push piece 35, pulling force after picture is applied to the first pull-push piece 35, simultaneously to the thrust that supporting parts 31 applies forward, make to push installed part 32 and prop up the first implantation component 11, thus make the first implantation component 11 be transported to intervertebral foramina in body, remain stable with in the process of implantation intervertebral foramina.
The length f of supporting parts 31, first pull-push piece 35, second pull-push piece 36 is all greater than body 34, and stretches out for user operation from the rearward openings of body 34.
Fig. 9 is the using state figure of implanting device of the present invention in embodiment three, and the process using implanting device is described below in conjunction with Fig. 8 and Fig. 9.
First use conventional surgical techniques to open the wound leading to patient's intervertebral foramina place, then operate in accordance with the following steps,
A. the intervertebral space place that need process is arrived at the body 34 of foramen intervertebrale lens, cleaning nucleus pulposus;
B. the first implantation component 11 and second are implanted component 12 to be connected respectively with the first pull-push piece 35, second pull-push piece 36 respectively, screw;
C. front end and the second implantation component 12 that component 11 is put in supporting parts 31 is implanted in vitro by first;
D. supporting parts 31 is sent into along body 34, and insert intervertebral space, make the first implantation component 11 reach the center of intervertebral space;
E. body 34 is retreated about 4cm, push away the second pull-push piece 36 simultaneously, make the second implantation component 12 enter intervertebral space along the inclined-plane pushing installed part 32 and implant component 11 and overlap completely with first and lock;
F. the second pull-push piece 36 is unscrewed and exit;
G. prop up the first pull-push piece 35, simultaneously by supporting parts 31 post-tensioning, exit body 34;
H. the first pull-push piece 35 is unscrewed, exit body 34;
I. body 34 is exited from surgical wound.
The space formed between upper vertebral body 48 and lower cone 49 is intervertebral space.The operation of clearing up vertebral pulp in step a uses conventional foramina intervertebrale mirror to complete, and is the current techique in micro-wound surgical operation, repeats no more in the present embodiment.
Embodiment effect and effect,
According to implanting device of the present invention, on the one hand, push installed part due to what which employs inclined plane shape, the inclination angle on inclined-plane and first is implanted component and is consistent, and therefore facilitates the second implantation component same mistake from inclined-plane, moves on the first implantation component.
In addition, push below installed part and between body and also there is certain space, minisize pick-up head and illuminating lamp can be allowed to pass through.
In addition, it should be noted that lead plays the effect of better guiding in the process of being installed along the inclined-plane that first implants on component by the second implantation component, be not implement the necessary structure of the present invention, when not having lead, the present invention still can implement.
3rd locating part of same implantation component both sides too and the necessary structure of non-invention, only implant contingent left and right displacement between component for limiting two, owing to having pawl structure to contact between two implantation components, therefore frictional force itself is enough large, the probability that left and right displacement occurs under normal circumstances is not high, therefore not affecting normal use when not limiting the structure of left and right displacement yet, after just having had left and right position limiting structure, further reducing the probability that left and right displacement occurs.The second locating part of strip in the second locating part replacement embodiment of L-type can be installed in first corner of implanting the front end of component, the both sides of L-type lay respectively at leading flank and the left or right side of the first implantation member front end, thus not only limit second and implant component and travel forward, and also can limit the first implantation component and move backward.
In addition, the second locating part is not limited to be positioned on the first implantation component 11 in embodiment one, also can be arranged on the second implantation component 12, its objective is that restriction first is implanted component 11 and second and implanted between component 12 left and right displacement occurs.
In addition, the surface that the first implantation component and described second implantation component contact with upper and lower two vertebral bodys is set to the rubbing surface of increasing friction force, and rubbing surface not only can use pawl structure, also can use the raised structures of dispersion.Certain upper and lower surface also can not arrange pawl structure, also can not affect normal enforcement of the present invention.
X direction after first implants component and second implants Component composition and each edge of y direction, fillet design can be adopted, the thickness implanting component when the body by foramen intervertebrale lens can be made on the one hand to do more, and another aspect can prevent the tissue near the corner angle injected vertebral body of edge in implantation process.
Claims (10)
1. by the BAK that Minimally Invasive Surgery is placed, implant between adjacent two vertebral bodys of spinal column, with the disc tissue that alternative regression is outstanding, recover and keep normal vertebral body clearance height, it is characterized in that, comprising:
For supporting the supporting component of vertebral body; And
Be connected with this supporting component, spacing locating part carried out to this supporting component,
Wherein, described supporting component implants component by first and the second implantation Components Matching is formed,
Described locating part restriction described first implant component and described second implant Components Matching completely after occur each other before and after and the relative displacement of left and right directions.
2. BAK according to claim 1, is characterized in that:
Wherein, component implanted by described first implantation component and described second is landing shape, and two surfaces up and down after described first implantation component and described second implantation component mate mutually are parallel to each other.
3. BAK according to claim 1, is characterized in that:
Wherein, described locating part has two the first locating parts be separately positioned on the described first implantation component face relative with described second implantation component, described first locating part has pawl structure, and making described second to implant component forwards can only move relative to described first implantation component.
4. BAK according to claim 1, is characterized in that:
Wherein, described first implants component or described second implants the outer rim of component in the region contacted with the other side, has second locating part that at least can limit in the lateral direction and relative displacement occurs between described first implantation component and described second implantation component.
5. BAK according to claim 1, is characterized in that:
Wherein, the described first shape implanting the contact surface of component and described second implantation component is the narrow shape in middle wide two ends.
6. BAK according to claim 5, is characterized in that:
Wherein, described first left and right sides of implanting component and described second implantation component has the projection of reservation shape, as the 3rd locating part.
7. BAK according to claim 1, is characterized in that:
Wherein, the surface that described first implantation component and described second implantation component contact with upper and lower two vertebral bodys is the rubbing surface of increasing friction force.
8. BAK as claimed in any of claims 1 to 7, is characterized in that:
Wherein, described first implant component and described second at least one implantation in component and there is the tissue allowing tissue grow into grow into groove.
9. BAK according to claim 8, is characterized in that:
Wherein, described second implants guide and limit part component having groove of growing into the described first tissue implanting component and match, described tissue groove of growing into also guides described guide and limit part to travel forward as gathering sill, and guide and limit part also implants the relative movement occurred between component on left and right directions with limit two.
10. an implanting device, for implanting as the BAK in claim 1-9 as described in any one, is characterized in that, comprising:
Allow described first to implant component and described second and implant the body that passes therethrough of component;
The propelling installation component that component is pushed into the precalculated position between vertebral body is implanted by described first;
Implant member removable be connected with described first, for the first the first pull-push piece implanting component described in push-and-pull; And
With described second implant that member removable is connected for the second the second pull-push piece implanting component described in push-and-pull,
Wherein, described propelling mounting kit has the conveying supporting parts of support and conveying first implantation component, and the front end being connected to described supporting parts for push described first implant component push installed part, this pushes installed part and also pass through from top for allowing described second to implant component and to move to the installation that to match above described first implantation component.
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| CN201410367782.2A CN105287059A (en) | 2014-07-30 | 2014-07-30 | Interbody fusion cage and implantation device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410367782.2A CN105287059A (en) | 2014-07-30 | 2014-07-30 | Interbody fusion cage and implantation device thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105769391A (en) * | 2016-04-05 | 2016-07-20 | 广州爱锘德医疗器械有限公司 | Vertebral fusion cage |
| CN105877877A (en) * | 2015-01-26 | 2016-08-24 | 广州医科大学附属第医院 | Assembled type minimally invasive lumbar interbody fusion apparatus |
| CN108577955A (en) * | 2018-04-02 | 2018-09-28 | 陈小敏 | A kind of lumbar vertebrae side anterior lateral cervical approach self-locking intervertebral fusion fixing device |
| CN112842635A (en) * | 2019-11-28 | 2021-05-28 | 刘俭涛 | Slidable and self-locking atlantoaxial intervertebral fusion cage |
| EP3954338A1 (en) * | 2020-08-06 | 2022-02-16 | Warsaw Orthopedic, Inc. | In-situ additive expandable implants |
| US11523909B2 (en) | 2019-12-17 | 2022-12-13 | Warsaw Orthopedic, Inc. | In-situ additive implants |
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| CN105769391A (en) * | 2016-04-05 | 2016-07-20 | 广州爱锘德医疗器械有限公司 | Vertebral fusion cage |
| CN108577955A (en) * | 2018-04-02 | 2018-09-28 | 陈小敏 | A kind of lumbar vertebrae side anterior lateral cervical approach self-locking intervertebral fusion fixing device |
| CN108577955B (en) * | 2018-04-02 | 2024-03-29 | 陈小敏 | Lumbar vertebra side front approach self-locking type interbody fusion fixing device |
| CN112842635A (en) * | 2019-11-28 | 2021-05-28 | 刘俭涛 | Slidable and self-locking atlantoaxial intervertebral fusion cage |
| CN112842635B (en) * | 2019-11-28 | 2023-10-20 | 刘俭涛 | Slidable and self-locking atlantoaxial interbody fusion cage |
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| US11523909B2 (en) | 2019-12-17 | 2022-12-13 | Warsaw Orthopedic, Inc. | In-situ additive implants |
| US11903846B2 (en) | 2019-12-17 | 2024-02-20 | Warsaw Orthopedic, Inc. | In-situ additive expandable implants |
| US11964074B2 (en) | 2019-12-17 | 2024-04-23 | Warsaw Orthopedic, Inc. | Additive-manufactured non-woven fibrous implants, systems, and related methods |
| US12029654B2 (en) | 2019-12-17 | 2024-07-09 | Warsaw Orthopedic, Inc. | In-situ additive manufactured motion-sparing implants |
| US11903841B2 (en) | 2020-06-22 | 2024-02-20 | Warsaw Orthopedic, Inc. | In-situ additive channeled implants |
| EP3954338A1 (en) * | 2020-08-06 | 2022-02-16 | Warsaw Orthopedic, Inc. | In-situ additive expandable implants |
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