CN201558161U - Screw holding orthopedic repositor - Google Patents
Screw holding orthopedic repositor Download PDFInfo
- Publication number
- CN201558161U CN201558161U CN2009203139754U CN200920313975U CN201558161U CN 201558161 U CN201558161 U CN 201558161U CN 2009203139754 U CN2009203139754 U CN 2009203139754U CN 200920313975 U CN200920313975 U CN 200920313975U CN 201558161 U CN201558161 U CN 201558161U
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- CN
- China
- Prior art keywords
- main body
- nail
- orthopedic
- holding
- screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 60
- 238000005336 cracking Methods 0.000 claims description 5
- 206010039722 scoliosis Diseases 0.000 abstract description 9
- 239000007943 implant Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 208000007103 Spondylolisthesis Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000693 hamate bone Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to a screw holding orthopedic repository comprising a hollow screw-holding main body, a slide sleeve, slide pins, nut sleeves and an orthopedic reposition cap. The front part of the screw-holding main body is provided with an implant rod through channel, the screw-holding main body at two sides of the implant rod through channel is respectively provided with an opening seam extending to the head part; the screw-holding main body at two sides is divided into closeable forks with elasticity by the opening seams; the two slide pins are mounted in slide ways at two sides of the screw-holding main body through the nut sleeves, and the slide sleeve is sleeved on the screw-holding main body; the slide sleeve moves to the bottom part along the implant rod through channel to contract the spread screw-holding main body, and drives the slide pins with the head parts clamped therein to slide by rotating the nut sleeve to close and fix the forks of the screw-holding main body; and the rear part of the screw-holding main body is provided with the orthopedic reposition cap with an intercomparison through channel at the side. The implant orthopedic repositor has accurate positioning and flexible and convenient operation, effectively reduces the difficulty and complication degree of operations, and can be used for the orthopedic reposition operations of scoliosis.
Description
Technical field
This utility model relates to a kind of bone surgery medical apparatus, specifically a kind of be used for that the scoliosis surgical orthopaedic manipulates hold the nail orthopedic repositor.
Background technology
We know, at present, the disease to other unstable spines such as the correction of spinal trauma, fracture, lumbar spondylolisthesis and scoliosis, spinal column degenerative diseases adopts the spinal fixation device to fix more.Existing spinal fixation device kind is more, mainly contain the Ha Shi rod, orthopedic repositor tools such as Shandong Ge Shi rod, by pedicle nail or universal pedicle nail, hamulus of hamate bone etc. composition is installed, pedicle nail has long screw thread pedicle nail, and it is fixed on the pedestal, fixes by locking nut, the relative pedestal of pedicle nail generally can not pendulum angle, and just the relative pedicle nail of pedestal can not be adjusted angle.In general, during operation in vertebral body pedicle screw, put into orthopedic rod and realize that resetting of scoliosis is an important step, the difficulty of operation technique is bigger, numerous and diverse degree is higher.Particularly many nails are installed orthopedic resetting, and guarantee that each orthopedic rod installs internal fixation on request, and difficulty is just bigger.Misoperation will have a strong impact on the effect of operation.The at present still useless bibliographical information of holding the nail orthopedic repositor of manipulating in the scoliosis surgical orthopaedic
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, implant orthopedic reposition lever accurate positioning, flexible and convenient operation, that has reduced the difficulty of operation technique and numerous and diverse degree effectively holds the nail orthopedic repositor.
The technical scheme in the invention for solving the above technical problem is: a kind of nail orthopedic repositor of holding, it holds the nail main body by hollow, sliding sleeve, sliding pin, nut sleeve, the orthopedic medicated cap that resets is formed, it is characterized in that: the said nail body front part of holding is provided with the planting-peg groove, the nail of holding of planting-peg groove both sides is respectively equipped with on the main body and extends to cracking of head, hold the nail main body and be divided into elastic folded bifurcated by cracking, two sliding pins are installed in the chute of holding nail main body both sides by nut sleeve, sliding sleeve is sleeved on to be held on the nail main body, sliding sleeve moves to the bottom along the planting-peg groove, tighten strut hold the nail main body, driving head card sliding pin within it by the rotating nut cover slides, the bifurcated of holding the nail main body of planting-peg groove both sides is closed up fixing, hold the orthopedic medicated cap that resets that the nail back body is equipped with side band comparison groove.
This utility model is said to be held nail body head inboard and is provided with the boss that matches with groove on the pedicle screw.
The said branch of holding the nail main body of this utility model is stuck and is provided with the connector that matches, and along the said nail main body chute direction of holding, the connector that matches is provided with the sliding pin lock pin holes.
This utility model institute said hollow to hold the nail back body be hexahedron, the orthopedic medicated cap that resets is provided with hexagonal hole in, hold nail main body hexahedron wherein a seamed edge be provided with a platform, be provided with one in the orthopedic medicated cap that resets and cooperate localized jump ring with platform.
The comparison groove of the said orthopedic medicated cap that resets of this utility model is parallel with the planting-peg groove on holding the nail main body, the orientation unanimity.Comparison groove on the orthopedic medicated cap that resets is used for the placement of standard comparison rod, holds the placement that the planting-peg groove of following closely on the main body is used for orthopedic reposition lever.Comparison groove on several orthopedic medicated caps that reset can be placed same standard comparison rod, like this, makes the orthopedic reposition lever orientation unanimity of respectively holding on the nail main body, the accurate location of being convenient to implant orthopedic reposition lever.
During this utility model operation, after in spinal vertebral, implanting pedicle screw, one side is held the boss of nail main body and the groove fit of pedicle screw afterbody, by to the lower slider sliding sleeve, the groove that makes opposite side hold boss and the pedicle screw afterbody of the nail main body fastening that also cooperatively interacts, the rotating nut cover, the drive sliding pin moves, the nail main body of holding of both sides bifurcated is fixedly closed up, and then moving sliding sleeve is to afterbody.Adjust the angle position, with the excellent comparison groove of putting into the orthopedic medicated cap that resets successively of standard comparison, orthopedic reposition lever is put into the planting-peg groove of holding the nail main body accordingly, can realize that the orthopedic of scoliosis resets.Against existing technologies, this utility model is implanted orthopedic reposition lever accurate positioning, and flexible and convenient operation has reduced difficulty and numerous and diverse degree of operation technique effectively, and the orthopedic reset operation that can be used for scoliosis uses.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is that the A-A of Fig. 2 is to sketch map.
Fig. 4 is the structural representation that this utility model is held the nail main body.
Fig. 5 is that this utility model is held the decomposing schematic representation that the nail main body is connected with pedicle screw.
1. sliding sleeves among the figure, 2. sliding pin, 21. sliding pin heads are 3. held the nail main body, 31. boss, 32. crack, 33. planting-peg grooves, 34. platform, 35. chutes, 36. hexahedrons, 37. bifurcated, 38. lock pin holes, 4. nut sleeve, 41. female thread, the 5. orthopedic medicated cap that resets, 51. comparison grooves, 52. jump ring, 6. pedicle screw, 61. grooves.
The specific embodiment
From Fig. 1, Fig. 2 as can be seen, a kind of nail orthopedic repositor of holding, its by hollow hold nail main body 3, sliding sleeve 1, sliding pin 2, nut sleeve 4, the orthopedic medicated cap 5 that resets is formed.
As Fig. 3, Fig. 4, shown in Figure 5, the said nail main body 3 of holding is hollow, holds nail main body 3 inner portion and is provided with the boss 31 that matches with groove 61 on the pedicle screw 6.Hold nail main body 3 front portions and be provided with planting-peg groove 33, the holding of planting-peg groove 33 both sides be respectively equipped with on the nail main body extend to head crack 32, both sides are held the nail main body and 32 are divided into elastic folded bifurcated 37 by cracking.The bifurcated 37 that the nail main body is held in said both sides is provided with the connector that matches, and along said nail main body chute 35 directions of holding, the connector that matches is provided with sliding pin lock pin holes 38.Holding the nail back body is hexahedron 36, and hexahedron 36 a wherein seamed edge is provided with a platform 34, holds the chute 35 that nail main body both sides also are provided with sliding pin 2.
It can also be seen that from Fig. 1, Fig. 2, Fig. 4 said nut sleeve 4 is provided with female thread 41, hold nail main body 3 rear portions and be provided with external screw thread that nut sleeve 4 threaded engagement are sleeved on and hold on the nail main body 3, can move forward and backward along holding the nail main body.The sliding pin head 21 of sliding pin 2 is stuck in the nut sleeve 4.Two sliding pins 2 are installed in the chute 35 of holding nail main body both sides by nut sleeve 4.Drive head card sliding pin 2 within it by rotating nut cover 4 and slide, close up the bifurcated 37 of holding nail main body 3 fixing.The bifurcated 37 that nail main body 3 is held in the said both sides of this utility model is provided with the connector that matches, and to hold nail main body chute 35 axial along said, and the connector that bifurcated 37 matches is provided with sliding pin lock pin holes 38.The sliding pin 2 that moves can be inserted in the lock rationed marketing hole 38, and bifurcated 37 is connected and fixed.
Said sliding sleeve 2 is sleeved on to be held on the nail main body 3, and sliding sleeve 2 moves to the bottom along planting-peg groove 33, and what tighten that both sides strut holds the nail main body.
Said nail main body 3 rear portions of holding of this utility model are equipped with the orthopedic medicated cap 5 that resets that the side band is compared groove 51.Be specially: hollow to hold nail main body 3 rear portions be hexahedron 36, the orthopedic medicated cap 6 that resets is provided with hexagonal hole in, hold nail main body hexahedron 36 wherein a seamed edge be provided with a platform 34, be provided with one in the orthopedic medicated cap 5 that resets and cooperate localized jump ring 52 with platform.As shown in Figure 3, Figure 4.
The comparison groove 51 of the said orthopedic medicated cap 5 that resets of this utility model is parallel with the planting-peg groove 33 on holding nail main body 3, the orientation unanimity.Comparison groove 51 on the orthopedic medicated cap 5 that resets is used for the placement of standard comparison rod, holds the placement that the planting-peg groove of following closely on the main body 33 is used for orthopedic reposition lever.A plurality of comparison grooves of holding on the orthopedic medicated cap that resets of following closely orthopedic repositor can be placed same standard comparison rod, like this, make the orthopedic reposition lever orientation unanimity of respectively holding on the nail main body, the accurate location of being convenient to implant orthopedic reposition lever.
During this utility model operation, after in spinal vertebral, implanting pedicle screw 6, the boss 31 of one side being held nail main body 3 cooperates with the groove 61 of pedicle screw afterbody, by to lower slider sliding sleeve 1, the groove that makes opposite side hold boss and the pedicle screw afterbody of nail main body 3 fastening that also cooperatively interacts, rotating nut cover 4, drive sliding pin 2 moves, the nail main body 3 of holding of both sides bifurcated is fixedly closed up, and then moving sliding sleeve 1 is to afterbody.The angle position of adjusting each pedicle screw 6 and holding the nail orthopedic repositor, standard comparison rod is put into successively the comparison groove 51 of the orthopedic medicated cap 5 that resets, orthopedic reposition lever is put into the planting-peg groove of holding the nail main body accordingly, the orthopedic reposition lever accurate positioning of implanting can realize that the orthopedic of scoliosis resets.This utility model flexible and convenient operation has reduced difficulty and numerous and diverse degree of operation technique effectively, can be used for the orthopedic use that resets of scoliosis.
Claims (5)
1. hold the nail orthopedic repositor for one kind, it holds the nail main body by hollow, sliding sleeve, sliding pin, nut sleeve, the orthopedic medicated cap that resets is formed, it is characterized in that: the said nail body front part of holding is provided with the planting-peg groove, the nail of holding of planting-peg groove both sides is respectively equipped with on the main body and extends to cracking of head, hold the nail main body and be divided into elastic folded bifurcated by cracking, two sliding pins are installed in the chute of holding nail main body both sides by nut sleeve, sliding sleeve is sleeved on to be held on the nail main body, sliding sleeve moves to the bottom along the planting-peg groove, tighten strut hold the nail main body, driving head card sliding pin within it by the rotating nut cover slides, the bifurcated of holding the nail main body of planting-peg groove both sides is closed up fixing, hold the orthopedic medicated cap that resets that the nail back body is equipped with side band comparison groove.
2. the nail orthopedic repositor of holding according to claim 1 is characterized in that: the said nail body head inboard of holding is provided with the boss that matches with groove on the pedicle screw.
3. the nail orthopedic repositor of holding according to claim 1 is characterized in that: the said branch of holding the nail main body is stuck and is provided with the connector that matches, and along the said nail main body chute direction of holding, the connector that matches is provided with the sliding pin lock pin holes.
4. the nail orthopedic repositor of holding according to claim 1, it is characterized in that: said hold the nail back body be hexahedron, the orthopedic medicated cap that resets is provided with hexagonal hole in, hold nail main body hexahedron wherein a seamed edge be provided with a platform, be provided with one in the orthopedic medicated cap that resets and cooperate localized jump ring with platform.
5. the nail orthopedic repositor of holding according to claim 1 is characterized in that: the comparison groove of the said orthopedic medicated cap that resets is parallel with the planting-peg groove on holding the nail main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203139754U CN201558161U (en) | 2009-11-03 | 2009-11-03 | Screw holding orthopedic repositor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203139754U CN201558161U (en) | 2009-11-03 | 2009-11-03 | Screw holding orthopedic repositor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201558161U true CN201558161U (en) | 2010-08-25 |
Family
ID=42623305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203139754U Expired - Lifetime CN201558161U (en) | 2009-11-03 | 2009-11-03 | Screw holding orthopedic repositor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201558161U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104095673A (en) * | 2014-03-11 | 2014-10-15 | 无锡市闻泰百得医疗器械有限公司 | Vertebral pedicle screw sleeve |
| CN104783879A (en) * | 2015-05-12 | 2015-07-22 | 山东威高骨科材料股份有限公司 | Pedicle screw and bar pressing device |
| CN105748138A (en) * | 2014-12-26 | 2016-07-13 | 林仲可 | Anterior dislocation reduction fixator for atlantoaxial joint |
-
2009
- 2009-11-03 CN CN2009203139754U patent/CN201558161U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104095673A (en) * | 2014-03-11 | 2014-10-15 | 无锡市闻泰百得医疗器械有限公司 | Vertebral pedicle screw sleeve |
| CN104095673B (en) * | 2014-03-11 | 2016-06-15 | 无锡市闻泰百得医疗器械有限公司 | A kind of pedicle nail sleeve pipe |
| CN105748138A (en) * | 2014-12-26 | 2016-07-13 | 林仲可 | Anterior dislocation reduction fixator for atlantoaxial joint |
| CN104783879A (en) * | 2015-05-12 | 2015-07-22 | 山东威高骨科材料股份有限公司 | Pedicle screw and bar pressing device |
| CN104783879B (en) * | 2015-05-12 | 2017-07-11 | 山东威高骨科材料股份有限公司 | A kind of pedicle screw and pressure bar device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100825 |