CN100403997C - Plug inserting vertebrae fixing and repositioning device - Google Patents
Plug inserting vertebrae fixing and repositioning device Download PDFInfo
- Publication number
- CN100403997C CN100403997C CNB2004100392678A CN200410039267A CN100403997C CN 100403997 C CN100403997 C CN 100403997C CN B2004100392678 A CNB2004100392678 A CN B2004100392678A CN 200410039267 A CN200410039267 A CN 200410039267A CN 100403997 C CN100403997 C CN 100403997C
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- China
- Prior art keywords
- plug
- spheroid
- fixing hole
- screw
- fixed bar
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- Expired - Fee Related
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Abstract
The present invention relates to a plug inserting vertebra fixing and resetting device, particularly to a plug inserting vertebra fixing and resetting device used for fixing and resetting vertebra joints, and the device is formed by combining a bone nail, a fixed system, a plug and a connection rod. The plug inserting vertebra fixing and resetting device comprises a fixed rod, one or a plurality of fixed seats, and one or a plurality of spherical screw nails, wherein a through hole is formed in the fixed seat for the fixed rod to penetrate through, a double connection fixed hole is also formed in the fixed seat, and one section of the fixed rod is exposed in the double connection fixed hole; the spherical screw nail is capable of penetrating in the double connection fixing hole and comprises a bone fixing screw nail and an annular sphere. The present invention is characterized in that the device also comprises a plug; the annular sphere can movably and turnably arranged at one end of the double connection fixing hole; the plug is inserted into the double connection fixing hole to tightly press, clamp and fix the fixed rod, the fixed seat and the spherical screw nail.
Description
Technical field
The invention relates to a kind of plug spine fixating repositor, be meant the plug spine fixating repositor that a kind of nail, fixed system, plug, connecting rod that is applied to a vertebral segments fixed reset makes up especially.
Background technology
Traditional spinal fixation resets, and when the implantation pedicle nail of long segment is treated or used, is difficult to take into account the firm safety of implanting device system and manipulates convenience, and the device shown in preceding cases such as United States Patent (USP) the 6602253rd, 5147359 promptly is like this.Especially aspect the device locking that loaded down with trivial details is after general pedicle of vertebral arch nail is implanted, need be used nut or have the top cover of screw thread, just be able to force tight locking with instrument with screwing togather between this nail, holder and fixed bar, so complicated apparatus design, not only inconvenient, also just increase operating time during use in rain, increase the puzzlement of operative doctor.
Summary of the invention
A purpose of the present invention is to provide a kind of plug spine fixating repositor.
Another object of the present invention is to provide an a kind of fixed bar, one or more holder, one or more spheroid screw of comprising, and the plug spine fixating repositor of a plug.
Another purpose of the present invention is to provide a kind of this fixed bar, holder and spheroid screw, can be by this plug of direct insertion, and tight plug spine fixating repositor is forced in convenient and fixing easily.
A further object of the present invention is to provide a kind of and includes two kinds of form plugs, holder, and has the plug spine fixating repositor of two kinds of fixed forms.
A kind of plug spine fixating repositor of the present invention, it comprises:
One fixed bar;
One or more holder is provided with a perforation and can passes connection for this fixed bar, and other is provided with the duplex fixing hole that a side is connected with this perforation, and when this fixed bar passed this perforation, one section body of rod side was revealed in this duplex fixing hole; And
One or more spheroid screw can penetrate in this duplex fixing hole, includes a bone hold-down screw and an annular spheroid, and this screw has a screw division and a junction, movable sheathed being coated on this connecting portion of this annular spheroid;
It is characterized in that: this plug spine fixating repositor more includes a plug, these spheroid screws are put an end that closes in this duplex fixing hole with movable the turning to of this annular spheroid, this plug then inserts the other end that this fixed core side in this duplex fixing hole appears, contact with this fixed bar and this annular spheroid, force this fixed bar that tightly is fixed, holder and spheroid screw.
Above-mentioned plug spine fixating repositor wherein should be provided with a kerf by the annular spheroid.
Above-mentioned plug spine fixating repositor, otch that wherein should the annular spheroid is a slant cutting edge.
Above-mentioned plug spine fixating repositor, wherein the duplex fixing hole of this holder is a parallel duplex fixing hole, this spheroid screw is parallel inserting in this duplex fixing hole with this plug.
Above-mentioned plug spine fixating repositor, wherein this plug is a class cylinder, the bilateral oblique flat tip that is made as of front end, should put down on the most advanced and sophisticated one side, be provided with the outer surface that a spherical recesses can be sleeved on this annular spheroid, another side then is provided with arc fluting always, can be sleeved on the outer surface of this fixed bar.
Above-mentioned plug spine fixating repositor, wherein the duplex fixing hole of this holder is a vertical duplex fixing hole, this spheroid screw is vertical inserting in this duplex fixing hole with this plug.
Above-mentioned plug spine fixating repositor, wherein this plug is a pre-small post-large class cylinder, and a side is provided with one or multi-disc arc pawl, can firmly grasp this fixed bar, and opposite side is provided with a spherical recesses, can be sleeved on the outer surface of this annular spheroid.
Defined forward and backward among the present invention, left and right etc., generally speaking be in a human action, direction when this plug spine fixating repositor of user hand-held enters this preparation operating area is preceding or forward, otherwise for the back or backward towards user or the direction that withdraws from this plug spine fixating repositor, and the direction that is same as the user left arm is that a left side, the direction of right arm then are right.
Description of drawings
Fig. 1 is the preferred embodiment sketch map of the present invention's one plug spine fixating repositor.
Fig. 2 a and Fig. 2 b are the holder and the plug preferred embodiment sketch map of one second form of this plug spine fixating repositor.
Fig. 3 is the plug preferred embodiment sketch map of this second form.
Reference numeral
10. plug spine fixating repositor
20. fixed bar 30. first form holders
The 32. parallel duplex fixing holes 31. bore a hole
A 321. end 322. other ends
40. spheroid screw 41. bone hold-down screws
42. annular spheroid 411. screw divisions
412. connecting portion 421. otch
50. the first form plug, 51. flat tips
511. spherical recesses 512. straight arc flutings
60. the second form holder, 61. perforation
62. vertical duplex fixing hole 621. one ends
622. the other end 70. second form plugs
71. arc pawl 72. spherical recesses
The specific embodiment
For further specifying the present invention, cooperate graphic explanation embodiment as follows with preferred embodiment now:
Among Fig. 1, the present invention's one plug spine fixating repositor 10, wherein 20 is a fixed bar, 30 is one (or a plurality of) first form holder, 31 is a perforation set on this holder 30, can pass for this fixed bar 20,32 is a parallel duplex fixing hole set on this first form holder 30, one end of this parallel duplex fixing hole 32 that 321 is a side is connected with this perforation 31, this fixed bar 20 passes this and bored a hole 31 o'clock, one section body of rod side can be revealed in this end 321 of this parallel duplex fixing hole 32,322 is the other end of this parallel duplex fixing hole 32,40 is one (or a plurality of) spheroid screw, movable turn to penetrate put should in the other end 322 of parallel duplex fixing hole 32, this spheroid screw 40 includes a bone hold-down screw 41 and an annular spheroid 42, this bone hold-down screw 41 has a screw division 411 and a junction 412,42 movable sheathed being coated on this connecting portion 412 of this annular spheroid, this annular spheroid 42 is that an outer surface is the ring-type circle body of convex spherical surface, and be provided with a kerf 421 for increasing the packing ability, this otch 421 also can change a slant cutting edge into.
This plug spine fixating repositor 10 mainly is by the fixing whole group device of these plug 50 packings, this plug 50 is the cylindrical plug of a class, the front end both sides are oblique to be made as one flat most advanced and sophisticated 51, aim at and slip in the time of in one end 321 of convenient this parallel duplex fixing hole 32 of insertion, should flat most advanced and sophisticated 51 one side be provided with a spherical recesses 511, can be sleeved on the convex spherical outer surface of this annular spheroid 42, should then be provided with arc fluting 512 always on flat most advanced and sophisticated 51 the another side, can be sleeved on the outer surface of this fixed bar 20.
This plug spine fixating repositor 10 is when using, penetrate in this annular spheroid 42 with this bone hold-down screw 41 earlier, movable from top to bottom again turn to penetrate put should in the other end 322 of holder 30 parallel duplex fixing holes 32 40 movable being sleeved in this holder 30 of this spheroid screw.
Again with this spheroid screw 40 together with this holder 30, implant with these screw division 411 spiral shells in the pedicle of vertebral arch of a vertebral segments (vertebral segments is not shown in the figures), and again in the perforation 31 of this holder 30, penetrate this fixed bar 20 and adjust angle and direction between each member.
Last then be a end 321 in this parallel duplex fixing hole 32, convenient and directly insert this plug 50, with the surface of 20 1 sections of this fixed bars, and contact, force tightly be fixed this fixed bar 20, holder 30 and spheroid screw 40 with the outer surface of this annular spheroid 42.
Among Fig. 2 a and Fig. 2 b, this plug spine fixating repositor 10 has the holder 60 and the plug 70 of one second form in addition, duplex fixing hole 62 on this holder 60 is a vertical duplex fixing hole, and this holder 60 also is provided with a perforation 61 and can passes for this fixed bar 20, one end 621 of this vertical duplex fixing hole 62 is connected with this perforation 61 fully, can penetrate engaging for the class cylinder plug 70 of this second form, vertically be somebody's turn to do the other end 622 of the duplex fixing hole 62 of end 621, then the parallel duplex fixing hole 32 with first form is identical, can insert fit for these spheroid screw 40 movable turning to.
Among Fig. 3, such cylinder plug 70 is a pre-small post-large class square column bodily form plug, and a side is provided with one or multi-disc arc pawl 71, can grab to invest on this fixed bar 20, opposite side then also is provided with a spherical recesses 72, can be sleeved on annular spheroid 42 outer surfaces of this spheroid screw 40.
When the plug spine fixating repositor 10 of this second form holder 60 uses, same penetrating in this annular spheroid 42 with this bone hold-down screw 41 earlier, movable from top to bottom again turn to penetrate put should in the other end 622 of holder 60 vertical duplex fixing holes 62 40 movable being sleeved in this holder 60 of this spheroid screw.
Again with this spheroid screw 40 together with this holder 60, implant with these screw division 411 spiral shells in the pedicle of vertebral arch of a vertebral segments (vertebral segments is not shown in the figures), and again in the perforation 61 of this holder 60, penetrate this fixed bar 20 and adjust angle and direction between each member.
Then be at last on this fixed bar 20, with arc pawl 71 engagings one second form plug 70, convenient and directly laterally push in the end 621 of this vertical duplex fixing hole 62 along this fixed bar 20, surface with 20 1 sections of this fixed bars, and this spherical recesses 72 contacts with the outer surface of this annular spheroid 42 and pushes against, and forces tightly be fixed this fixed bar 20, holder 60 and spheroid screw 40.
Claims (7)
1. plug spine fixating repositor, it comprises:
One fixed bar;
One or more holder is provided with a perforation and can passes connection for this fixed bar, and other is provided with the duplex fixing hole that a side is connected with this perforation, and when this fixed bar passed this perforation, one section body of rod side was revealed in this duplex fixing hole; And
One or more spheroid screw can penetrate in this duplex fixing hole, includes a bone hold-down screw and an annular spheroid, and this screw has a screw division and a junction, movable sheathed being coated on this connecting portion of this annular spheroid;
It is characterized in that: this plug spine fixating repositor more includes a plug, these spheroid screws are put an end that closes in this duplex fixing hole with movable the turning to of this annular spheroid, this plug then inserts the other end that this fixed core side in this duplex fixing hole appears, contact with this fixed bar and this annular spheroid, force this fixed bar that tightly is fixed, holder and spheroid screw.
2. plug spine fixating repositor as claimed in claim 1 wherein should be provided with a kerf by the annular spheroid.
3. plug spine fixating repositor as claimed in claim 2, the otch that it should the annular spheroid is a slant cutting edge.
4. plug spine fixating repositor as claimed in claim 1, wherein the duplex fixing hole of this holder is a parallel duplex fixing hole, this spheroid screw is parallel inserting in this duplex fixing hole with this plug.
5. plug spine fixating repositor as claimed in claim 4, wherein this plug is a class cylinder, the bilateral oblique flat tip that is made as of front end, should put down on the most advanced and sophisticated one side, be provided with the outer surface that a spherical recesses can be sleeved on this annular spheroid, another side then is provided with arc fluting always, can be sleeved on the outer surface of this fixed bar.
6. plug spine fixating repositor as claimed in claim 1, wherein the duplex fixing hole of this holder is a vertical duplex fixing hole, this spheroid screw is vertical inserting in this duplex fixing hole with this plug.
7. plug spine fixating repositor as claimed in claim 6, wherein this plug is a pre-small post-large class cylinder, and a side is provided with one or multi-disc arc pawl, can firmly grasp this fixed bar, and opposite side is provided with a spherical recesses, can be sleeved on the outer surface of this annular spheroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100392678A CN100403997C (en) | 2004-02-11 | 2004-02-11 | Plug inserting vertebrae fixing and repositioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100392678A CN100403997C (en) | 2004-02-11 | 2004-02-11 | Plug inserting vertebrae fixing and repositioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1654024A CN1654024A (en) | 2005-08-17 |
| CN100403997C true CN100403997C (en) | 2008-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100392678A Expired - Fee Related CN100403997C (en) | 2004-02-11 | 2004-02-11 | Plug inserting vertebrae fixing and repositioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100403997C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105250017B (en) * | 2015-11-30 | 2018-03-06 | 昆明医科大学第二附属医院 | A kind of orthopedic rod connector that multidirectional offer angle compensation is provided |
| CN106037993A (en) * | 2016-07-08 | 2016-10-26 | 北京大学人民医院 | Sacrum prosthesis |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5380325A (en) * | 1992-11-06 | 1995-01-10 | Biomat | Osteosynthesis device for spinal consolidation |
| CN1137369A (en) * | 1995-06-02 | 1996-12-11 | 吴兴盛 | Fixture for vertebral back position |
| US5609592A (en) * | 1993-01-04 | 1997-03-11 | Danek Medical, Inc. | Spinal Fixation System |
| US5669910A (en) * | 1996-01-02 | 1997-09-23 | Pioneer Laboratories, Inc. | Crosslink for implantable rods |
| US5676703A (en) * | 1994-05-11 | 1997-10-14 | Gelbard; Steven D. | Spinal stabilization implant system |
| CN1432343A (en) * | 2002-01-17 | 2003-07-30 | 英属维京群岛商冠亚生技控股集团股份有限公司 | Rotary controlled vertebra fixture |
-
2004
- 2004-02-11 CN CNB2004100392678A patent/CN100403997C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5380325A (en) * | 1992-11-06 | 1995-01-10 | Biomat | Osteosynthesis device for spinal consolidation |
| US5609592A (en) * | 1993-01-04 | 1997-03-11 | Danek Medical, Inc. | Spinal Fixation System |
| US5676703A (en) * | 1994-05-11 | 1997-10-14 | Gelbard; Steven D. | Spinal stabilization implant system |
| CN1137369A (en) * | 1995-06-02 | 1996-12-11 | 吴兴盛 | Fixture for vertebral back position |
| US5669910A (en) * | 1996-01-02 | 1997-09-23 | Pioneer Laboratories, Inc. | Crosslink for implantable rods |
| CN1432343A (en) * | 2002-01-17 | 2003-07-30 | 英属维京群岛商冠亚生技控股集团股份有限公司 | Rotary controlled vertebra fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1654024A (en) | 2005-08-17 |
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Granted publication date: 20080723 Termination date: 20150211 |
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| EXPY | Termination of patent right or utility model |