CN117224293B - Transverse guiding implantation tool of interbody fusion cage - Google Patents
Transverse guiding implantation tool of interbody fusion cage Download PDFInfo
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- CN117224293B CN117224293B CN202311512737.7A CN202311512737A CN117224293B CN 117224293 B CN117224293 B CN 117224293B CN 202311512737 A CN202311512737 A CN 202311512737A CN 117224293 B CN117224293 B CN 117224293B
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- 239000007943 implant Substances 0.000 claims description 5
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- 230000003139 buffering effect Effects 0.000 description 3
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Abstract
The invention discloses a transverse guiding implantation tool of an interbody fusion cage, wherein a threaded hole is formed in the pushing end of a body of the fusion cage, and an anti-slip structure is arranged in the middle of the body of the fusion cage; the transverse guiding implantation tool is matched with an intervertebral fusion device for use, and comprises: the lower end of the vertical rail is connected with the arc-shaped rail; an inner push rod made of memory alloy is adopted, and a threaded column capable of being connected with a threaded hole is arranged at the front end of the inner push rod; an outer conduit sleeved on the inner push rod; the hand-held piece is connected with the rear end of the inner push rod and drives the inner push rod to do spiral motion when rotating; the supporting plate is used for propping against the vertebral body. The fusion device is provided with the threaded hole, so that the fusion device is convenient to connect with an implantation tool, and is provided with the anti-slip structure, so that the fusion device is prevented from loosening from the vertebral bodies; in the implantation tool, the inner push rod is made of a memory alloy material, so that the inner push rod can be changed from vertical to horizontal when entering between vertebral bodies from an implantation channel, the intervertebral fusion device is transversely guided and implanted, the intervertebral fusion device can be prevented from being shifted, and the incidence rate of operation sequelae is reduced.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to a transverse guiding implantation tool of an interbody fusion cage.
Background
At present, the common lumbar vertebra diseases mainly comprise lumbar disc herniation, lumbar spinal stenosis and degenerative lumbar instability, and a series of pains such as lumbago, pain and numbness of lower limbs are caused for patients, so that the work and life of the patients are seriously affected. Lumbar fusion is one of the classical methods for treating lower lumbar instability and lumbar spondylolisthesis, and can restore the physiological radian of the spine, reconstruct lumbar stability, correct abnormal load modes and alleviate the effective methods of clinical symptoms. Among them, the fusion rate by the intervertebral fusion technique is the highest, and the curative effect is the most definite. The lumbar interbody fusion Cage (Cage) is a medical implant specially used for lumbar interbody fusion, can play a role in supporting intervertebral space, and is widely applied clinically.
Common implantation methods are oblique implantation and transverse implantation. The oblique implantation efficiency is high, but the interbody fusion cage is easy to shift, so that the nerve compression and other postoperative problems are caused; the device is stable in transverse implantation and placement, but in the installation process, the knocking fusion device is required to be implanted into the intervertebral space, then the knocking fusion device is transversely placed, in the installation process, more equipment is required to be used, inconvenience is brought to the implantation process of the intervertebral fusion device, and the operation efficiency is affected.
Accordingly, the applicant devised a laterally guided implantation tool for interbody fusion cage to address the above-described issues.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present invention and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the invention section.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a transverse guiding implantation tool of an intervertebral fusion device.
To achieve the above and other related objects, the present invention provides an intervertebral fusion device, comprising a fusion device body, wherein the front part of the fusion device body is a forward end, the rear part of the fusion device body is a push-in end, the push-in end of the fusion device body is provided with a threaded hole, and the middle part of the fusion device body is provided with an anti-slip structure.
In this scheme, set up the screw hole at the pushing-in end of fusion ware body, can realize being connected with implantation instrument, set up anti-skidding structure at the middle part of fusion ware body, can prevent that the interbody fusion ware from loosening from the interbody, guarantee that the fusion ware body is stable in interbody position.
Further, the advancing end of the fusion cage body is bullet-shaped.
In this scheme, the advancing end of fusion ware body is bullet structure, and the fusion ware body of being convenient for inserts between the vertebra, and convenient operation improves operating efficiency, shortens operation time.
Further, the anti-slip structure is located on the upper surface and/or the lower surface of the middle part of the fusion device body.
In this scheme, with the antiskid structure setting in the middle part of fusion ware body for the frictional force that fusion ware body received is main in the middle part, guarantees whole atress balance, prevents that the interbody fusion ware from producing the slope.
Further, the anti-slip structure is a plurality of evenly distributed inverted teeth, and the direction of the inverted teeth is opposite to the direction in which the fusion device body is pushed.
In this scheme, the antiskid structure sets up to the pawl to the orientation of pawl is opposite with the push-in direction of fusion ware body, can play the effect that prevents the fusion ware body and fall back, the separation of fusion ware body and implantation instrument of being convenient for.
The invention also provides a transverse guiding implantation tool of the intervertebral fusion device, which is matched with the intervertebral fusion device for use, and comprises the following steps:
the vertical rail is provided with a groove along the length direction, a row of telescopic clamping beads are arranged in the groove along the length direction, and the lower end of the vertical rail is connected with an arc-shaped rail which is bent towards one side of the groove;
the front end of the inner push rod is provided with a threaded column which can be connected with the threaded hole, and the inner push rod is made of memory alloy with deformation recovery capability;
the outer catheter is sleeved on the inner push rod, the length of the inner push rod is longer than that of the outer catheter, and the inner push rod is in clearance fit with the outer catheter; the outer side of the outer catheter is provided with a raised line corresponding to the groove along the length direction, the raised line is provided with a clamping hole corresponding to the clamping bead in shape and position, and the raised line is detachably arranged in the groove;
the two support plates are symmetrically arranged at the left and right and fixedly arranged at the lower end of the outer catheter and are used for propping against two adjacent vertebral bodies in the implantation process;
the hand piece is connected with the rear end of the inner push rod, and the hand piece drives the inner push rod to do spiral motion along the axial direction of the outer catheter when rotating.
In this scheme, the interior push rod that adopts memory alloy material to make can realize that interior push rod is transversely from vertical change when implanting the passageway and get into between the centrum, has realized the horizontal implantation of interbody fusion cage, and interbody fusion cage transversely places, and stable in structure can prevent that interbody fusion cage from producing the aversion, leads to oppression nerve scheduling problem, reduces the incidence of operation sequela.
Further, an elastomer is arranged in the outer guide pipe, and the elastomer is arranged outside the inner push rod.
In this scheme, set up the elastomer in the outside of push rod for when interior push rod pushes away in outer pipe, can play the effect of an elasticity buffering, realize the stable propelling movement of interbody fusion cage.
Further, the inner wall of the outer catheter is provided with an inner thread, the outer wall of the inner push rod is provided with an outer thread, and the inner thread and the outer thread are arranged in a threaded fit manner.
In this scheme, adopt threaded connection to realize spiral propelling movement between outer pipe and the interior push rod, stable in structure, convenient operation and running accuracy are high.
Further, the front end of the outer catheter is provided with a guide head.
In this scheme, set up the front end of outer pipe into the direction head, have the guide effect, the outer pipe card of being convenient for establishes the entry at implantation passageway, and the location of being convenient for improves operating efficiency.
Further, the hand piece is a hand-held ring or a hand-held disk.
In this scheme, be provided with annular or discoid with the hand piece, clockwise, anticlockwise rotation when being convenient for hold, convenient operation, work efficiency is high.
Further, the elastic body is a spring.
In this scheme, set up the elastomer into the spring, elasticity is good, and buffer performance is strong, is convenient for install and change. Due to the application of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the interbody fusion cage and the transverse guiding implantation tool thereof designed by the invention have the advantages that the threaded holes are arranged on the fusion cage, so that the fusion cage is convenient to connect with the implantation tool, and the fusion cage is provided with the anti-slip structure, so that the fusion cage can be prevented from loosening from the interbody; in the implantation instrument, the interior push rod adopts the memory alloy material to make, can realize that interior push rod is from vertical to horizontal when implanting the passageway entering centrum, can realize the horizontal direction implantation of intervertebral fusion ware, and the fusion ware transversely places, and stable in structure can prevent that intervertebral fusion ware from producing the aversion, leads to oppression nerve scheduling problem, reduces the incidence of operation sequela, and operating efficiency is high moreover, safe and reliable.
Drawings
FIG. 1 is a schematic view of a combination cage and implantation tool of the present invention;
FIG. 2 is a schematic view of the fusion cage of the present invention in an installed position between vertebral bodies;
FIG. 3 is a schematic view of the implantation tool of the present invention onto a vertebral body;
FIG. 4 is a schematic view showing the vertical rail separated from the outer guide pipe according to the present invention;
in the drawings, 1, a fusion device body; 101. an advancing end; 102. a push-in end; 103. a threaded hole; 104. an anti-slip structure; 2. an inner push rod; 3. a threaded column; 4. an outer conduit; 5. a hand piece; 6. a guide head; 7. an elastomer; 8. an implantation channel; 9. a vertical rail; 10. a groove; 11. clamping beads; 12. an arc-shaped track; 13. a convex strip; 14. a clamping hole; 15. a support plate; 16. a button.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be noted that, in the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present invention and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Examples: referring to fig. 1 and 2, the present embodiment provides an intervertebral fusion device, which includes a fusion device body 1, wherein the front portion of the fusion device body 1 is a forward end 101, the rear portion of the fusion device body 1 is a push-in end 102, the push-in end 102 of the fusion device body 1 is provided with a threaded hole 103, and the middle portion of the fusion device body 1 is provided with an anti-slip structure 104.
In this embodiment, the threaded hole 103 is provided at the push-in end 102 of the cage body 1, so that connection with an implantation tool can be achieved, and the anti-slip structure 104 is provided in the middle of the cage body 1, so that the intervertebral cage can be prevented from loosening from the vertebral bodies, and the cage body 1 is ensured to be stable in the position between the vertebral bodies.
Examples: referring to fig. 1, the advancing end 101 of the cage body 1 is bullet-shaped.
The advancing end 101 and the interbody fusion cage body 1 are of an integrated forming structure, so that the intensity of the interbody fusion cage can be ensured, and the phenomenon that the advancing end 101 and the interbody fusion cage body 1 are separated due to the fact that the advancing end 101 is stressed excessively instantaneously is avoided.
In this embodiment, the advancing end 101 of the cage body 1 is in a bullet structure, so that the cage body 1 can be conveniently inserted between vertebrae, the operation is convenient, the operation efficiency is improved, and the operation time is shortened.
Examples: referring to fig. 1, the anti-slip structure 104 is located on the upper and/or lower surface of the middle portion of the cage body 1.
The anti-slip structure 104 is a corrugated tooth, but is not limited to a corrugated tooth, and any structure capable of realizing an anti-slip function may be used in a specific implementation process.
In this embodiment, the anti-slip structure 104 is disposed in the middle of the cage body 1, so that the friction force borne by the cage body 1 is mainly in the middle, thereby ensuring the overall stress balance and preventing the intervertebral cage from tilting.
Examples: referring to fig. 1, the anti-slip structure 104 is a plurality of evenly distributed inverted teeth, and the direction of the inverted teeth is opposite to the direction in which the cage body 1 is pushed in.
Wherein, the pawl is arranged on the edge of the main body of the interbody fusion cage and forms a strip-shaped structure.
In this embodiment, the anti-slip structure 104 is configured as a pawl, and the direction of the pawl is opposite to the pushing direction of the cage body 1, so as to prevent the cage body 1 from backing back, and facilitate the separation of the cage body 1 from the implantation tool.
Examples: referring to fig. 1 and 4, the present invention also provides a transverse implantation tool for an intervertebral fusion device, for use with an intervertebral fusion device, comprising:
the vertical rail 9 is provided with a groove 10 along the length direction, a row of telescopic clamping beads 11 are arranged in the groove 10 along the length direction, and the lower end of the vertical rail 9 is connected with an arc-shaped rail 12 which is bent towards one side of the groove 10; wherein the vertical track 9 is provided with graduations.
The front end of the inner push rod 2 is provided with a threaded column 3 which can be connected with the threaded hole 103, and the inner push rod 2 is made of memory alloy with deformation recovery capability;
the outer guide pipe 4 is sleeved on the inner push rod 2, the length of the inner push rod 2 is longer than that of the outer guide pipe 4, and the inner push rod 2 is in clearance fit with the outer guide pipe 4; the outer side of the outer catheter 4 is provided with a raised line 13 corresponding to the groove 10 along the length direction, the raised line 13 is provided with a clamping hole 14 corresponding to the shape and the position of the clamping bead 11, and the raised line 13 is detachably arranged in the groove 10;
the distance between the adjacent clamping beads 11 is 1-1.5 cm.
The retractable clamping bead 11 means that the clamping bead 11 can extend or retract from the hole, and the clamping bead 11 does not mean that the clamping bead 11 body can retract, but the clamping bead 11 can retract through an elastic structure such as a spring at the rear end of the clamping bead. The initial state of the clamping bead 11 is a state of partial protruding holes, when the convex strips 13 are clamped into the grooves 10, the clamping bead 11 is pressed back into the holes, when the clamping holes 14 pass through the clamping bead 11, the clamping bead 11 pops out and is clamped into the clamping holes 14, and the limit of the outer guide pipe 4 is realized; the vertical track 9 is provided with a button 16, the button 16 is in transmission connection with the clamping beads 11, when the button 16 is pressed down, the clamping beads 11 retract from the holes, the clamping beads 11 are separated from the clamping holes 14, the limit of the convex strips 13 is released, and the outer guide tube 4 can continuously move downwards in the groove 10 to realize position adjustment.
The two support plates 15 are symmetrically arranged at the left and right and fixedly arranged at the lower end of the outer catheter 4 and are used for propping against two adjacent vertebral bodies in the implantation process; wherein two support plates 15 are located on both sides of the lower end of the outer guide tube 4, respectively.
The hand piece 5, the hand piece 5 links to each other with the rear end of interior push rod 2, and the interior push rod 2 is driven to make helical motion along the axial of outer pipe 4 when hand piece 5 rotates.
Principle of: firstly, extending a vertical track 9 into an implantation channel 8 (vertical) which is formed between vertebral bodies in advance, and recording the scale positions on the vertical track 9; the vertical rail 9 is taken out from the implantation channel 8, the convex strips 13 of the outer catheter 4 are clamped into the grooves 10 of the vertical rail 9, and the outer catheter 4 and the vertical rail 9 are assembled by moving the convex strips into proper positions. The threaded column 3 of the inner push rod 2 is screwed into the threaded hole 103 of the fusion cage body 1 to connect the two, then the vertical rail 9 and the arc-shaped rail 12 at the lower end of the vertical rail are put into the implantation channel 8 between vertebral bodies together, when the arc-shaped rail 12 reaches the bottom, the lower end of the outer guide tube 4 is just positioned at the inlet of the implantation channel 8, the outer guide tube 4 props against two adjacent vertebral bodies through the supporting plates 15 at the two sides of the lower end to realize positioning, at the moment, the interbody fusion cage is positioned at the inlet of the implantation channel 8, when the inner push rod 2 enters the transverse vertebral bodies from the vertical implantation channel 8, the stressed part can deform because the inner push rod 2 is made of memory alloy, the pushing end 102 of the inner push rod 2 turns to the position between the vertebral bodies, and the opening direction becomes transverse; by rotating the hand piece 5, the inner push rod 2 is pushed forward with the fusion cage body 1, and as the inner push rod 2 is a bendable metal rod, when the inner push rod reaches the arc-shaped track 12, the inner push rod 2 is pushed vertically along the vertical track 9 and the arc-shaped track 12 to be pushed horizontally, so that the intervertebral fusion cage is finally implanted horizontally along the pushing direction of the inner push rod 2; as shown in fig. 3, after the implantation is completed, the hand piece 5 is reversely rotated, so that the threaded column 3 of the inner push rod 2 is unscrewed from the threaded hole 103 of the fusion device body 1, and finally the tool is pulled out of the implantation channel 8, so that the operation efficiency is high.
In this embodiment, the inner push rod 2 made of the memory alloy material is adopted, so that the inner push rod 2 can be changed from vertical to horizontal when entering the vertebral bodies from the implantation channel 8, the horizontal implantation of the interbody fusion cage is realized, the interbody fusion cage is transversely placed, the structure is stable, the interbody fusion cage can be prevented from shifting, the problems of nerve compression and the like are caused, and the occurrence rate of the postoperative sequelae is reduced.
Examples: referring to fig. 1, the outer catheter 4 is provided with an elastic body 7 inside, and the elastic body 7 is provided outside the inner push rod 2.
In this embodiment, the elastic body 7 is disposed outside the inner push rod 2, so that the inner push rod 2 can play a role of elastic buffering when pushing in the outer catheter 4, and stable pushing of the interbody fusion cage is realized.
Examples: not shown in the figure, the inner wall of the outer conduit 4 is provided with an internal thread, the outer wall of the inner push rod 2 is provided with an external thread, and the internal thread and the external thread are arranged in a threaded fit.
In the embodiment, screw pushing is realized between the outer guide pipe 4 and the inner push rod 2 by adopting threaded connection, and the device has the advantages of stable structure, convenient operation and high operation precision.
Examples: as shown in fig. 1 and 3, the front end of the outer catheter 4 is provided with a guide head 6.
Wherein the guide head 6 is integrally arranged with the outer conduit 4.
In this embodiment, the front end of the outer catheter 4 is set to be the guide head 6, which has guiding function, so that the outer catheter 4 is convenient to be clamped at the inlet of the implantation channel 8, positioning is convenient, and operating efficiency is improved.
Examples: referring to fig. 1 and 3, the handpiece 5 is a hand-held ring or hand-held disk.
When the hand piece 5 is a hand-held ring, the rear end of the inner push rod 2 is connected with one side of the ring body; when the hand piece 5 is a hand-held disk, the rear end of the inner push rod 2 is arranged perpendicular to the disk body. The hand piece 5 is not limited to a ring shape or a disc shape, and in the specific implementation process, the structure that can drive the inner push rod 2 to rotate together by hand can be selected.
In this embodiment, the hand piece 5 is provided with a ring shape or a disc shape, so that the hand piece can be conveniently rotated clockwise or anticlockwise during holding, the operation is convenient, and the working efficiency is high.
Examples: not shown in the figures, the elastic body 7 is a spring.
In the embodiment, the elastic body 7 is set to be a spring, so that the elastic body is good in elasticity, strong in buffering performance and convenient to install and replace.
The interbody fusion cage and the transverse guiding implantation tool thereof designed by the invention have the advantages that the threaded holes are arranged on the fusion cage, so that the fusion cage is convenient to connect with the implantation tool, and the fusion cage is provided with the anti-slip structure, so that the fusion cage can be prevented from loosening from the interbody; in the implantation instrument, the interior push rod adopts the memory alloy material to make, can realize that interior push rod is from vertical to horizontal when implanting the passageway entering centrum, can realize the horizontal direction implantation of intervertebral fusion ware, and the fusion ware transversely places, and stable in structure can prevent that intervertebral fusion ware from producing the aversion, leads to oppression nerve scheduling problem, reduces the incidence of operation sequela, and operating efficiency is high moreover, safe and reliable.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A transverse guiding implantation tool of an intervertebral fusion device is characterized in that,
the interbody fusion cage includes:
the novel fusion device comprises a fusion device body (1), wherein the front part of the fusion device body (1) is a forward end (101), the rear part of the fusion device body (1) is a push-in end (102), the push-in end (102) of the fusion device body (1) is provided with a threaded hole (103), and the middle part of the fusion device body (1) is provided with an anti-slip structure (104);
the advancing end (101) of the fusion device body (1) is in a bullet shape;
the anti-skid structure (104) is positioned on the upper surface and/or the lower surface of the middle part of the fusion device body (1);
the anti-skid structure (104) is a plurality of evenly distributed inverted teeth, and the orientation of the inverted teeth is opposite to the direction in which the fusion device body (1) is pushed in;
the transverse guiding implantation tool of the intervertebral fusion device is matched with the intervertebral fusion device for use, and comprises:
the device comprises a vertical rail (9), wherein a groove (10) is formed in the vertical rail (9) along the length direction, a row of telescopic clamping beads (11) are arranged in the groove (10) along the length direction, and the lower end of the vertical rail (9) is connected with an arc-shaped rail (12) which is bent towards one side of the groove (10);
the front end of the inner push rod (2) is provided with a threaded column (3) which can be connected with the threaded hole (103), and the inner push rod (2) is made of memory alloy with deformation recovery capability;
the outer guide pipe (4) is sleeved on the inner push rod (2), the length of the inner push rod (2) is longer than that of the outer guide pipe (4), and the inner push rod (2) is in clearance fit with the outer guide pipe (4); a raised line (13) corresponding to the groove (10) is arranged on the outer side of the outer conduit (4) along the length direction, a clamping hole (14) corresponding to the shape and the position of the clamping bead (11) is arranged on the raised line (13), and the raised line (13) is detachably arranged in the groove (10);
the two support plates (15) are symmetrically arranged at left and right and fixedly arranged at the lower end of the outer guide tube (4) and are used for propping against two adjacent vertebral bodies in the implantation process;
the hand piece (5), the hand piece (5) with the rear end of interior push rod (2) links to each other, hand piece (5) rotate the time drive interior push rod (2) follow the axial of outer pipe (4) makes helical motion.
2. A transverse guide implant tool for an intervertebral fusion as recited in claim 1 wherein: an elastic body (7) is arranged in the outer guide pipe (4), and the elastic body (7) is arranged outside the inner push rod (2).
3. A transverse guide implant tool for an intervertebral fusion as recited in claim 1 wherein: the inner wall of the outer conduit (4) is provided with an inner thread, the outer wall of the inner push rod (2) is provided with an outer thread, and the inner thread and the outer thread are arranged in a threaded fit manner.
4. A transverse guide implant tool for an intervertebral fusion as recited in claim 1 wherein: the front end of the outer conduit (4) is provided with a guide head (6).
5. A transverse guide implant tool for an intervertebral fusion as recited in claim 1 wherein: the hand piece (5) is a hand-held ring or a hand-held disk.
6. A transverse guide implantation tool for an intervertebral fusion as recited in claim 2 wherein: the elastic body (7) is a spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311512737.7A CN117224293B (en) | 2023-11-14 | 2023-11-14 | Transverse guiding implantation tool of interbody fusion cage |
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| CN202311512737.7A CN117224293B (en) | 2023-11-14 | 2023-11-14 | Transverse guiding implantation tool of interbody fusion cage |
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| CN117224293B true CN117224293B (en) | 2024-01-23 |
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| CN103610522A (en) * | 2013-12-12 | 2014-03-05 | 广州聚生生物科技有限公司 | Lumbar vertebra posterior approach fusion device |
| CN103610523A (en) * | 2013-12-18 | 2014-03-05 | 广州聚生生物科技有限公司 | Minimally invasive lateral approach interbody fusion device |
| CN206526144U (en) * | 2016-11-28 | 2017-09-29 | 赵斌 | A kind of miniature fusion device |
| CN109498221A (en) * | 2018-12-28 | 2019-03-22 | 宁波华科润生物科技有限公司 | A kind of assembly type vertebral fusion system through minimally invasive access approach |
| CN219878385U (en) * | 2023-04-27 | 2023-10-24 | 湖南华翔医疗科技有限公司 | Minimally invasive fusion system for TLIF |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040153076A1 (en) * | 2002-10-29 | 2004-08-05 | Wamis Singhatat | Ligament graft cage fixation device |
| US9101487B2 (en) * | 2012-08-27 | 2015-08-11 | Globus Medical, Inc. | Intevertebral implant |
| US9226831B2 (en) * | 2012-08-27 | 2016-01-05 | Globus Medical, Inc. | Intervertebral implant |
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| EP0880938A1 (en) * | 1997-05-30 | 1998-12-02 | United States Surgical Corporation | Instrumentation for implant insertion |
| CN103610522A (en) * | 2013-12-12 | 2014-03-05 | 广州聚生生物科技有限公司 | Lumbar vertebra posterior approach fusion device |
| CN103610523A (en) * | 2013-12-18 | 2014-03-05 | 广州聚生生物科技有限公司 | Minimally invasive lateral approach interbody fusion device |
| CN206526144U (en) * | 2016-11-28 | 2017-09-29 | 赵斌 | A kind of miniature fusion device |
| CN109498221A (en) * | 2018-12-28 | 2019-03-22 | 宁波华科润生物科技有限公司 | A kind of assembly type vertebral fusion system through minimally invasive access approach |
| CN219878385U (en) * | 2023-04-27 | 2023-10-24 | 湖南华翔医疗科技有限公司 | Minimally invasive fusion system for TLIF |
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