CN205514850U - Dual -purpose pedicle screw - Google Patents
Dual -purpose pedicle screw Download PDFInfo
- Publication number
- CN205514850U CN205514850U CN201620112434.5U CN201620112434U CN205514850U CN 205514850 U CN205514850 U CN 205514850U CN 201620112434 U CN201620112434 U CN 201620112434U CN 205514850 U CN205514850 U CN 205514850U
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- China
- Prior art keywords
- briquetting
- adapter
- bulb
- spring
- conversion
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- Withdrawn - After Issue
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
- A61B17/7034—Screws or hooks with U-shaped head or back through which longitudinal rods pass characterised by a lateral opening
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7064—Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model discloses a dual -purpose pedicle screw. This kind of dual -purpose pedicle screw follows closely including connector and bulb, and the connector is hollow cylinder, and the one end of connector is equipped with the upper shed, and the other end of connector is equipped with the under shed, pedicle screw uses with the orthopedic rod cooperation of the fixed operation usefulness of vertebra, connector upper shed one end is equipped with installation orthopedic rod's U type groove, and the bulb nail includes interconnect's the bulb and the nail body, and the bulb is installed in connector under shed department, pedicle screw still includes plug screw and conversion briquetting, the plug screw is installed in the connector upper shed, orthopedic rod installs in the plug screw below, orthopedic rod below in the connector is installed to the conversion briquetting, and the setting of conversion briquetting is in the top of bulb, and the conversion briquetting is equipped with and is used for changing the limit structure of conversion briquetting in the inside position of connector. Part through to radix of vertebra bow nail is optimized, under the prerequisite that does not improve manufacturing cost, has increased the usage that the radix of vertebra bow was followed closely, has improved the convenience that radix of vertebra bow nail used.
Description
Technical field
This utility model relates to the medical apparatus and instruments of a kind of operation on vertebra, a kind of dual-purpose pedicle nail.
Background technology
Prolapse of lumbar intervertebral disc and lumbar spinal stenosis are the most common, in modern bone surgery treatment, the most prominent to extract
Use vertebra to fix operation while going out intervertebral disc and expanding narrow nerve root canal to treat.But spinal column reaches steady after fixing
Fixed, but the movable function of vertebra loses the most simultaneously, and this is again the common cause causing other lumbago and skelalgia, creates these people
Go out and meet normal spinal motion rule, the spinal joint fixing device that the dynamic Tiny increment dt of universal type supports can be made, be i.e. also known as
The third generation pedicle nail of " dynamically nail ".But, existing this dynamic nail purposes is single, it is difficult to laminating clinical practice situation each
Plant change, be unfavorable for that the doctor's different state of an illness according to patient in operation select appropriate therapeutic scheme.
Summary of the invention
Single for existing dynamic nail purposes, it is impossible to for clinical setting make change this with shortcoming, this application provides
Universal fixing, the dual-purpose pedicle nail of On Fluctuations of a kind of simple in construction, utilizes the briquetting of pedicle nail, changes consolidating of button
Determine state, to increase the purposes of pedicle nail.
This utility model solves its technical problem and the technical scheme is that a kind of dual-purpose pedicle nail, including adapter
And button, adapter is hollow cylinder, and one end of adapter is provided with upper shed, and the other end of adapter is provided with under shed, institute
State pedicle nail and vertebra fix the Orthopedic rod of operation with the use of, described adapter upper shed one end is provided with installation Orthopedic rod
U-type groove, button includes interconnective bulb and rivet nut, and bulb is arranged on adapter lower opening, described pedicle nail
Also including plug screw and conversion briquetting, described plug screw is arranged in adapter upper shed, and described Orthopedic rod is arranged on below plug screw, institute
Stating conversion briquetting and be arranged in adapter below Orthopedic rod, conversion briquetting is arranged on the top of bulb, conversion briquetting be provided with for
Change the conversion briquetting position limiting structure at adapter interior location.
This utility model solves the technical scheme of its technical problem employing and further comprises:
Further, described position limiting structure is the groove arranged on conversion briquetting, and described groove coordinates with Orthopedic rod, Orthopedic rod
It is stuck in groove.
Further, described groove has one or more.
Further, when described groove has more than two, the degree of depth of each groove is different.
Further, described adapter inwall is provided with the position-limitting pin of the part abjection prevented in adapter.
Further, described position limiting structure is to be located at conversion briquetting and the external screw thread on adapter abutted surface, described adapter
Inwall is provided with and changes the female thread that briquetting external screw thread matches.
Further, being additionally provided with spring between described conversion briquetting and bulb, described bulb top is plane, and spring is vertical
It is arranged between conversion briquetting and bulb top.
Further, being additionally provided with spring and lower lock block between described conversion briquetting and bulb, described lower lock block is arranged on bulb
Top, described spring is vertically installed between conversion briquetting and lower lock block.
Further, described pedicle nail also includes that upper holder block, spring and lower lock block, described lower lock block are arranged on bulb
Side, described spring is arranged on above lower lock block, and described upper holder block is arranged on above spring, and described upper holder block is provided with a through hole,
Conversion briquetting is arranged in the through hole of upper holder block.
Further, described spring is provided with more than one.
The beneficial effects of the utility model are: both can be the pedicle nail use of On Fluctuations in non-fused operation is made, also
In strong fusion, fixing support can be made as common universal fixing nail to use, it is also possible to difference is installed according to requirements
Part, change its support function, can use and need by the various clinical practice of good conformity.
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
Accompanying drawing explanation
Fig. 1 is the pedicle nail perspective view of this utility model embodiment one；
Fig. 2 is the pedicle nail planar structure schematic diagram of this utility model embodiment one；
Fig. 3 be this utility model embodiment one dual-purpose pedicle nail in change the structural representation of briquetting；
Fig. 4 be this utility model embodiment one pedicle nail in change the top view of briquetting；
Fig. 5 be this utility model embodiment two pedicle nail in change the structural representation of briquetting；
Fig. 6 be this utility model embodiment two pedicle nail in change the top view of briquetting；
Fig. 7 be this utility model embodiment three pedicle nail in change the structural representation of briquetting；
Fig. 8 is the configuration diagram of pedicle nail in this utility model embodiment four；
Fig. 9 is to convert briquetting, bulb and the mounting structure schematic diagram of spring in this utility model embodiment four；
Figure 10 is the structural representation of this utility model embodiment five；
Figure 11 is to convert briquetting, spring and the mounting structure schematic diagram of lower lock block in this utility model embodiment five
Figure 12 is the A-A generalized section of this utility model embodiment six；
Figure 13 is the upper holder block upward view of this utility model embodiment six；
Figure 14 is upper holder block in this utility model embodiment six, converts the mounting structure signal of briquetting, spring and lower lock block
Figure
1, plug screw, 2, Orthopedic rod, 3, conversion briquetting, 4, position-limitting pin, 5, adapter, 6, button, 7, spring, 8, press down
Block, 9, upper holder block, 31, sphere, 32, external screw thread, 33, groove, 34, groove, 35, the boss of conversion briquetting, 61, bulb, 62, ball
Head blind hole, 63, tooling hole, 81, the boss of lower lock block, 82, the blind hole of lower lock block, 91, the blind hole of upper holder block, 92, pin hole,
93, through hole.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
The dual-purpose pedicle nail of this utility model embodiment one, as shown in Fig. 1 ~ 4, is that one is planted in the fixing operation of vertebra
Enter vertebral body, coordinate the operational tool of fixing vertebra with Orthopedic rod, including plug screw 1, conversion briquetting 3, position-limitting pin 4, adapter 5
With button 6.Adapter 5 is a hollow cylinder, and adapter 5 two ends are respectively upper shed and under shed.On upper shed inwall
Being provided with screw thread, screw thread is used for installing plug screw 1, is provided with U-type groove below screw thread, and U-type groove uses the installation in conventional adapter to rectify
The U-type groove structure of shape rod, Orthopedic rod 2 is arranged in U-type groove.Being provided with position-limitting pin 4 in the middle part of adapter 5, position-limitting pin 4 can be used
The common methods such as welding are installed on the connectors, and conversion briquetting 3 can be limited in the inside of adapter 5 by position-limitting pin 4.Conversion
Briquetting 3 is arranged in adapter 5, the top of button 6.Conversion briquetting 3 is provided with groove 33 with Orthopedic rod 2 abutted surface, conversion
Polygonal tooling hole can be offered, it is simple to use the position of instrument regulation conversion briquetting 3 in the middle of briquetting 3.Conversion briquetting 3 and ball
61 faces connected are sphere 31.Button 6 uses general vertebra to fix the button that operation is general, includes interconnective
Bulb 61 and rivet nut, bulb 61 is located at one end of rivet nut, and bulb 61 is opened the hexagon blind hole 63 coordinating regulation instrument.Conversion
The sphere 31 of briquetting 3 connects with bulb 61, sphere 31 and bulb 61 matched in clearance, and bulb 61 is connected to adapter lower opening,
The sphere of adapter 5 under shed with bulb 61 matched in clearance, button 6 can be freely swung.
Before using, bulb 61 is connected to the lower opening of adapter 5, and rivet nut is stretched out outside adapter 5, and conversion briquetting 3 is installed
Above bulb 61, position-limitting pin 4 is arranged on adapter 5, prevents changing briquetting 3 and skids off adapter 5.Pedicle nail has been implanted
Bi Hou, can regulate the direction of the groove 33 changed on briquetting 3, coordinates Orthopedic rod 2 to control to change briquetting in adapter
Upper-lower position, adjusts the gap of bulb 61 and conversion briquetting 3, and then reaches handoff functionality effect.If it is dynamic as universal type
The pedicle nail of Tiny increment dt uses, then can use instrument to be adjusted by conversion briquetting 3 to groove 33 position parallel with Orthopedic rod 2, by
Can be connected the U-lag supporting of device 5 in Orthopedic rod 2, and groove 33 will be blocked by Orthopedic rod 2, Orthopedic rod 2 is absorbed in groove 33,
So conversion briquetting 3 will not be compacted after Orthopedic rod 2 installs, sphere 31 and bulb 61 leave gap, deattenuation, button
6 can freely swing.If making fixing support as fixing nail to use, then instrument is can use to adjust conversion briquetting 3 to groove 33
The state vertical with Orthopedic rod 2, when, after Orthopedic rod 2 fix in position, conversion briquetting 3 can be compressed by Orthopedic rod 2, makes sphere 31 and ball
61 connect completely, and damping increases, and button can not swing.Finally, plug screw 1 is installed in the upper shed of adapter 5, twists
Tightly, Orthopedic rod 2 is fixed.Orthopedic rod 2 can use general vertebra to fix the Orthopedic rod that operation is general.
The dual-purpose pedicle nail of this utility model embodiment two uses Fig. 5, the conversion briquetting 3 shown in 6, changes briquetting 3
One side to plug screw 1 is provided with groove 33 and groove 34, and groove 33 is more bigger than groove 34 degree of depth, and when therefore using, Orthopedic rod 2 blocks
The degree of depth entering groove 33 is also bigger than the degree of depth snapping in groove 34.When Orthopedic rod 2 is stuck in different grooves, conversion briquetting 3 exists
Height within adapter 5 is different, and the gap length between bulb 31 has difference, produces different dampings, and pedicle nail is just
Can use as the pedicle nail of On Fluctuations or common universal fixing nail is made fixing support and used.
The pedicle nail of this utility model embodiment three, uses the position of threaded adjusting conversion briquetting, changes briquetting such as Fig. 7
Shown in, it being provided with external screw thread 32 with adapter 5 abutted surface, adapter 5 inwall is provided with and changes what briquetting external screw thread matched
Female thread.Changing the face that briquetting 3 connects with the bulb 61 of button 6 is sphere 31, and sphere 31 and bulb 61 make matched in clearance.
During use, user utilizes instrument to rotate conversion briquetting 3, adjusts its height, makes cambered surface 31 and the ball of conversion briquetting
The gap length of 61 changes, and the damping size of generation changes the most therewith, and when gap becomes big, deattenuation, pedicle nail can
Use using the pedicle nail as On Fluctuations；When gap diminishes, damping increases, and when reaching maximum, pedicle nail can conduct
Common universal fixing nail is made fixing support and is used.All pedicle nails implant vertebras and adjust appropriate after, Orthopedic rod 2 is installed to
In the U-type groove of adapter 5, plug screw 1 is installed to the upper shed of adapter 5, tightens, fix Orthopedic rod 2.
The pedicle nail of this utility model embodiment four, as shown in Figure 8,9, wherein the bulb 61 of button 6 is one and half
Ball, its top is plane, is provided with spring 7 between conversion briquetting 3 and button 6, and one end of spring 7 props up conversion briquetting 3,
The other end props up bulb 61 top.Conversion briquetting 3 be provided with peace spring-loaded boss 35, the quantity of boss 35, size and shape with
Spring 7 matches, and boss 35 is arranged in one end that spring 7 props up conversion briquetting 3, the position of the most fixing spring 7, another
When aspect conversion briquetting 3 highly reaches minimum, boss 35 can connect with bulb 61 top, make button 6 be fixed.Bulb 61
Being additionally provided with blind hole 62 on top, the other end of spring 7 is arranged in blind hole 62, both can fix spring 7 position, it is also possible to increase
The effective length of spring 4, increases decrement.Spring 7 uses single column spring, and when actual production, Producer can root
According to the clinical demand regulation size of spring, kind and quantity, when the quantity of spring 7 is more than one, in order to make stress balance, bullet
Spring 7 should become circle distribution converting between briquetting 3 and bulb 61.And, the present embodiment is changed on briquetting 3 and bulb 61
Boss structure and blind hole structure can also be interchangeable according to the needs of actual production.In order to fix button 6, both can be with making
The method that conversion briquetting 3 directly connects with bulb 61 top, it would however also be possible to employ spring 7 is compressed and makes it fix by conversion briquetting completely
The method of bulb 61, fixes button 6.Position-limitting pin 4 is arranged in adapter 5 on an ancient piece of jade, round, flat and with a hole in its centre, is limited by conversion briquetting 3 part such as grade
In adapter 5, adapter 5 will not be skidded off.
Before using, button 6, spring 7 and conversion briquetting 3 can be installed in adapter 5.Button 6 is connected to adapter 5
Under shed, spring 7 is arranged on button 6, convert briquetting 3 be arranged on above spring 7, spring 7 one end is arranged on bulb 61
In the blind hole 61 of plane, the other end is fixed by the boss 35 changing briquetting 3, and position-limitting pin 4 is arranged on adapter 5 inwall.Vertebra
After nut nail is implanted, the direction of the groove 33 changed on briquetting 3 can be regulated, coordinate Orthopedic rod 2 to control to change briquetting 3 and exist
Upper-lower position in adapter 5, thus control the gap between button 6 and conversion briquetting 3, and then reach switching effect.Use
Person, according to clinical practical situation, selects to make Orthopedic rod 2 be absorbed in groove 33, and conversion briquetting 3 does not contacts with bulb 61 top planes,
Spring 7 is the most compacted, and pedicle screws uses as automatically reset dynamic Tiny increment dt nail；Or make Orthopedic rod 2 push down conversion pressure
Block 3, the boss 35 of conversion briquetting 3 is pressed on bulb platform or spring 7 is fully pressed, and makes button 6 be fixed, pedicle of vertebral arch
Nail becomes fixing nail and play fixed supporting role.Finally, orthopedic 2 rods are installed in the U-type groove of adapter 5, plug screw 1 is installed to
In the upper shed of adapter 5, tighten, fix Orthopedic rod 2.
Embodiment five as shown in FIG. 10 and 11, adds lower lock block 8 on the basis of embodiment four, and button 6 makes
With general pedicle nail button.Lower lock block is arranged between bulb 61 and spring 7, the face that lower lock block 8 connects with bulb 61
It is provided with sphere, does matched in clearance with bulb 61.Spring 7 is single column spring, can flexible constraint dynamics as required,
Change kind and the quantity of spring.The boss 35 of fixing spring 7 position it is respectively provided with on the face that conversion briquetting 3 is relative with lower lock block 8
With boss 81, the size and number of boss matches with spring 7, and spring 7 is vertically installed between conversion briquetting 3 and lower lock block 8,
Boss 35 and boss 81 are installed in spring 7.Convert briquetting 3 and the boss of lower lock block 8, can be according to production in actual production
Need to change into blind hole or the structure of other fixing springs.
Before using, button 6, spring 7, lower lock block 8 can be installed in adapter 5.Button 6 is connected to adapter 5
Under shed, lower lock block 8 is arranged on button, and spring 7 is arranged on above lower lock block 8, converts briquetting 3 and is arranged on above spring 7,
Spring 7 one end is pressed down the boss 81 of block 8 and fixes, and the other end is fixed by the boss 35 changing briquetting 3, and position-limitting pin 4 is arranged on
On adapter 5 inwall.After pedicle nail is implanted, user adjusts the direction of conversion briquetting 3 upper groove 33 according to purposes,
When Orthopedic rod 2 is parallel with groove 33, after Orthopedic rod 2 is fixed by plug screw 1, under the effect of spring 7, conversion briquetting 3 moves, groove
33 contact with Orthopedic rod 2, and lower lock block 8, also under the effect of spring 7, has gap with conversion briquetting 3, and produces button 6
Flexible constraint, pedicle nail uses as universal type dynamic Tiny increment dt nail.And by the groove 33 on conversion briquetting 3, be adjusted to and rectify
During shape rod 2 vertical direction, insert Orthopedic rod 2 and plug screw 1, and after screwing plug screw 1, the Orthopedic rod 2 supported by U-type groove is pressed in
In the plane of conversion briquetting 3, conversion briquetting is pressed for 3 times, cause the gap changing between briquetting 3 and lower lock block 8 to disappear, lower lock block
8 are also pressed down, and the sphere of lower lock block 8 connects completely with bulb 61, and damping increases, and button 6 can not swing, then pedicle nail is made
Use for universal fixing nail.
Embodiment six, if Figure 12 is to shown in 14, is to change briquetting 3 to coordinate the application of other kinds of pedicle nail.This vertebra
Nut nail includes plug screw 1, upper holder block 9, spring 7, lower lock block 8 and button 6, and upper holder block 9 is arranged on above spring 7, and spring 7 is pacified
Being contained in above lower lock block 8, be button 6 below lower lock block 8, lower lock block 8 is provided with sphere and coordinates with the bulb 61 of button 6.
Upper holder block 9 is provided with a through hole 93, and the size of through hole 93 coordinates with conversion briquetting 3, and conversion briquetting 3 is arranged in through hole 93.
Convert briquetting 3 and be provided with groove 33, can coordinate with Orthopedic rod 2, make conversion briquetting 3 change in active state compacted.Bullet
Spring 7 is column spring, has four, can need to adjust number of springs and kind according to clinic.On upper holder block 9 and lower lock block 8 respectively
Being provided with and spring 7 size, the blind hole 91 and 82 of cooperating number, blind hole is circumferentially distributed, and can be fixed spring 7 position, spring 7
Two ends be separately mounted in the blind hole of upper holder block 9 and lower lock block 8.Position-limitting pin 4, upper holder block 9 are installed on adapter 5 inwall
Being provided with pin hole 92, position-limitting pin 4 is inserted in pin hole 92.It is designed with hexagonal instrument on conversion briquetting 3 and bulb 61
Hole, it is possible to use regulation conversion briquetting 3 and the direction of button 6 in tool insert hole, can also be by tooling hole in actual production
Make other polygonal shapes into.
Before using, button 6, upper holder block 9, lower lock block 8, spring 7, conversion briquetting 3 are pre-installed in adapter 5, ball
61 are connected to adapter 6 under shed, and lower lock block 9 is arranged on bulb 6, and four springs 7 are installed in blind hole 82, upper pressure 9 pieces
Being pressed on spring 7, conversion briquetting 3 is arranged in the through hole 93 of upper holder block 9, then position-limitting pin 4 is installed to adapter 5 inwall
On, insert pin hole 92.After pedicle nail implants vertebral body, with the direction of instrument regulation conversion briquetting 2, when groove 33 and Orthopedic rod
3 vertical time, conversion briquetting 3 is compressed by Orthopedic rod 2, and pedicle nail becomes fixing nail；When groove 33 is parallel with Orthopedic rod 2, rectify
In the groove 33 of shape rod 2 press-in, change briquetting 3 into active state, pedicle screws follows closely use as dynamic Tiny increment dt.Finally, will
Plug screw 1 is installed in the upper shed of adapter 5, tightens, and fixes Orthopedic rod 2.
In above-described embodiment, with pedicle nail of the present utility model with the use of Orthopedic rod 2 all can use general vertebra
The Orthopedic rod that fixing operation is general.
Above-described embodiment is this utility model preferred implementation, other its principles all and basic structure and the present embodiment phase
Same or approximation, all within this utility model protection domain.
Claims (10)
1. a dual-purpose pedicle nail, including adapter and button, adapter is hollow cylinder, and one end of adapter is provided with
Opening, the other end of adapter is provided with under shed, and described pedicle nail and vertebra fix the Orthopedic rod of operation with the use of, institute
Stating adapter upper shed one end and be provided with the U-type groove installing Orthopedic rod, button includes interconnective bulb and rivet nut, and bulb is pacified
It is contained in adapter lower opening, it is characterised in that described pedicle nail also includes plug screw and conversion briquetting, and described plug screw is arranged on
In adapter upper shed, described Orthopedic rod is arranged on below plug screw, and described conversion briquetting is arranged on the internal Orthopedic rod of adapter
Lower section, conversion briquetting is arranged on the top of bulb, and conversion briquetting is provided with for changing conversion briquetting at adapter interior location
Position limiting structure.
2. pedicle nail as claimed in claim 1, it is characterised in that described position limiting structure is the recessed of setting on conversion briquetting
Groove, described groove coordinates with Orthopedic rod, and Orthopedic rod is stuck in groove.
3. pedicle nail as claimed in claim 2, it is characterised in that described groove is provided with one or more.
4. pedicle nail as claimed in claim 3, it is characterised in that when described groove has more than two, each groove deep
Spend different.
5. pedicle nail as claimed in claim 1, it is characterised in that be provided with on described adapter inwall in preventing adapter
Part abjection position-limitting pin.
6. pedicle nail as claimed in claim 1, it is characterised in that described position limiting structure is for being located at conversion briquetting and adapter
External screw thread on abutted surface, described adapter inwall is provided with and changes the female thread that briquetting external screw thread matches.
7. pedicle nail as claimed in claim 1, it is characterised in that be additionally provided with spring between described conversion briquetting and bulb,
Described bulb top is plane, and spring is vertically installed between conversion briquetting and bulb top.
8. pedicle nail as claimed in claim 1, it is characterised in that be additionally provided with between described conversion briquetting and bulb spring and
Lower lock block, described lower lock block is arranged on above bulb, and described spring is vertically installed between conversion briquetting and lower lock block.
9. pedicle nail as claimed in claim 1, it is characterised in that described pedicle nail also include upper holder block, spring and under
Briquetting, described lower lock block is arranged on above bulb, and described spring is arranged on above lower lock block, and described upper holder block is arranged on spring
Side, described upper holder block is provided with a through hole, and conversion briquetting is arranged in the through hole of upper holder block.
10. the pedicle nail as described in any one of claim 7-9, it is characterised in that described spring is provided with more than one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034519 | 2015-12-31 | ||
| CN2015110345192 | 2015-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205514850U true CN205514850U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610078129.3A Active CN105596071B (en) | 2015-12-31 | 2016-02-03 | A kind of dual-purpose pedicle nail |
| CN201620112434.5U Withdrawn - After Issue CN205514850U (en) | 2015-12-31 | 2016-02-03 | Dual -purpose pedicle screw |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610078129.3A Active CN105596071B (en) | 2015-12-31 | 2016-02-03 | A kind of dual-purpose pedicle nail |
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| CN (2) | CN105596071B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105596071A (en) * | 2015-12-31 | 2016-05-25 | 何静 | Dual-functional pedicle screw |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961066A (en) * | 2016-10-19 | 2018-04-27 | 薛妹妹 | A kind of allow hand over is followed closely using the novel vertebral pedicle of function |
| CN108186093B (en) * | 2018-01-25 | 2024-03-08 | 何伟义 | Cushion block capable of generating switching function |
| CN108720918A (en) * | 2018-06-13 | 2018-11-02 | 何伟义 | A kind of undercut mark On Fluctuations pedicle nail with pooling feature |
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| CN1241127A (en) * | 1996-12-20 | 2000-01-12 | 托马斯·T·海德尔 | Pedicle screw system for osteosynthesis |
| DE202009012270U1 (en) * | 2009-09-09 | 2009-11-19 | Richard Martin Medizintechnik Gmbh | Knochenplattenverschraubung |
| CN101669838A (en) * | 2009-09-18 | 2010-03-17 | 郭谦 | Occipital screw rod connector |
| CN102525635B (en) * | 2010-12-10 | 2014-12-31 | 上海微创骨科医疗科技有限公司 | Universal pedicle screw |
| EP2502594B1 (en) * | 2011-03-22 | 2014-12-03 | Medacta International S.A. | Polyaxial pedicle screw and fixation system kit comprising said screw |
| ES2546157T3 (en) * | 2011-10-27 | 2015-09-21 | Biedermann Technologies Gmbh & Co. Kg | Wide angle polyaxial bone anchoring device |
| EP2682062B1 (en) * | 2012-07-03 | 2015-09-16 | Biedermann Technologies GmbH & Co. KG | Polyaxial bone anchoring device |
| CN203539425U (en) * | 2013-09-29 | 2014-04-16 | 何静 | Vertebral pedicle nail |
| CN105596071B (en) * | 2015-12-31 | 2018-03-23 | 何静 | A kind of dual-purpose pedicle nail |
-
2016
- 2016-02-03 CN CN201610078129.3A patent/CN105596071B/en active Active
- 2016-02-03 CN CN201620112434.5U patent/CN205514850U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105596071A (en) * | 2015-12-31 | 2016-05-25 | 何静 | Dual-functional pedicle screw |
| CN105596071B (en) * | 2015-12-31 | 2018-03-23 | 何静 | A kind of dual-purpose pedicle nail |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105596071A (en) | 2016-05-25 |
| CN105596071B (en) | 2018-03-23 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20180323 |
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| AV01 | Patent right actively abandoned |