CN105596071B - A kind of dual-purpose pedicle nail - Google Patents
A kind of dual-purpose pedicle nail Download PDFInfo
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- CN105596071B CN105596071B CN201610078129.3A CN201610078129A CN105596071B CN 105596071 B CN105596071 B CN 105596071B CN 201610078129 A CN201610078129 A CN 201610078129A CN 105596071 B CN105596071 B CN 105596071B
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- briquetting
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- spring
- pedicle nail
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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)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Surgical Instruments (AREA)
Abstract
This application discloses a kind of dual-purpose pedicle nail.This dual-purpose pedicle nail, including connector and button, connector is hollow cylinder, one end of connector is provided with upper shed, the other end of connector is provided with shed, the Orthopedic rod that the pedicle nail fixes operation with vertebra is used cooperatively, described connector upper shed one end is provided with the U-type groove of installation Orthopedic rod, button includes bulb and the rivet nut being connected with each other, bulb is arranged on connector lower opening, the pedicle nail also includes plug screw and conversion briquetting, the plug screw is arranged in connector upper shed, the Orthopedic rod is arranged on below plug screw, the conversion briquetting is arranged in connector below Orthopedic rod, conversion briquetting is arranged on the top of bulb, change briquetting and be provided with and be used to change position limiting structure of the conversion briquetting in connector interior location.By being optimized to the part of pedicle screws, on the premise of production cost is not improved, the purposes of pedicle screws is added, improves the convenience that pedicle screws use.
Description
Technical field
The application is related to a kind of medicine equipment of operation on vertebra, particularly a kind of dual-purpose pedicle nail.
Background technology
Protrusion of lumber intervertebral disc and lumbar spinal stenosis are more common, more prominent to extract in the treatment of modern bone surgery
Operation is fixed while going out interverbebral disc and expand narrow nerve root canal using vertebra to be treated.But backbone reaches steady after fixing
It is fixed, but the movable function of vertebra also loses simultaneously, and this is the common cause for causing other pain in waist and lower extremities again, and this people is created
Go out and meet normal spinal motion rule, the spinal joint fixing device of universal type dynamic Tiny increment dt support can be made, that is, be also known as
The third generation pedicle nail of " dynamic is followed closely ".However, existing this dynamic nail purposes is single, it is difficult to is bonded each of clinical practice situation
Kind change, it is unfavorable for doctor and selects appropriate therapeutic scheme according to the different state of an illness of patient in operation.
The content of the invention
It is single for existing dynamic nail purposes, it is impossible to for clinical setting make change this with shortcoming, this application provides
A kind of universal fixation simple in construction, the dual-purpose pedicle nail of On Fluctuations, using the briquetting of pedicle nail, change consolidating for button
State is determined, to increase the purposes of pedicle nail.
The present invention solves the technical scheme that its technical problem uses：A kind of dual-purpose pedicle nail, including connector and ball
Head nail, connector is hollow cylinder, and one end of connector is provided with upper shed, and the other end of connector is provided with shed, the vertebra
Nut is followed closely to be used cooperatively with the Orthopedic rod of vertebra fixation operation, and described connector upper shed one end is provided with the U of installation Orthopedic rod
Type groove, button includes the bulb being connected with each other and rivet nut, bulb are arranged on connector lower opening, and the pedicle nail also wraps
Plug screw and conversion briquetting are included, the plug screw is arranged in connector upper shed, and the Orthopedic rod is arranged on below plug screw, described turn
Briquetting is changed below Orthopedic rod in connector, conversion briquetting is arranged on the top of bulb, and conversion briquetting, which is provided with, to be used to change
Change position limiting structure of the briquetting in connector interior location.
The present invention solves the technical scheme that its technical problem uses and further comprised：
Further, the position limiting structure is changes the groove set on briquetting, and the groove coordinates with Orthopedic rod, Orthopedic rod
It is stuck in groove.
Further, the groove has one or more.
Further, when the groove has more than two, the depth of each groove is different.
Further, the position-limitting pin for preventing that the part in connector from deviating from is installed on the connector inwall.
Further, the position limiting structure is to be located at conversion briquetting and the external screw thread on connector abutted surface, the connector
Inwall is provided with the internal thread being engaged with conversion briquetting external screw thread.
Further, spring is additionally provided between the conversion briquetting and bulb, is in plane at the top of the bulb, spring is vertical
Between at the top of conversion briquetting and bulb.
Further, spring and lower lock block are additionally provided between the conversion briquetting and bulb, the lower lock block is arranged on bulb
Top, the spring are vertically installed between conversion briquetting and lower lock block.
Further, the pedicle nail also includes upper holder block, spring and lower lock block, and the lower lock block is arranged on bulb
Side, the spring are arranged on above lower lock block, and the upper holder block is arranged on above spring, and the upper holder block is provided with a through hole,
Conversion briquetting is arranged in the through hole of upper holder block.
Further, the spring is provided with more than one.
The beneficial effects of the invention are as follows：Both can be used in non-fused operation is made for the pedicle nail of On Fluctuations, also can be
Make fixed support as common universal fixing glue in strong fusion to use, different zero can also be installed according to requirements
Part, changes its support function, and the various clinical practices of energy good conformity use needs.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Brief description of the drawings
Fig. 1 is the pedicle nail dimensional structure diagram of the embodiment of the present invention one；
Fig. 2 is the pedicle nail planar structure schematic diagram of the embodiment of the present invention one；
Fig. 3 is the structural representation that briquetting is changed in the dual-purpose pedicle nail of the embodiment of the present invention one；
Fig. 4 is the top view that briquetting is changed in the pedicle nail of the embodiment of the present invention one；
Fig. 5 is the structural representation that briquetting is changed in the pedicle nail of the embodiment of the present invention two；
Fig. 6 is the top view that briquetting is changed in the pedicle nail of the embodiment of the present invention two；
Fig. 7 is the structural representation that briquetting is changed in the pedicle nail of the embodiment of the present invention three；
Fig. 8 is the configuration diagram of pedicle nail in the embodiment of the present invention four；
Fig. 9 is the mounting structure schematic diagram that briquetting, bulb and spring are converted in the embodiment of the present invention four；
Figure 10 is the structural representation of the embodiment of the present invention five；
Figure 11 is the mounting structure schematic diagram that briquetting, spring and lower lock block are converted in the embodiment of the present invention five
Figure 12 is the A-A diagrammatic cross-sections of the embodiment of the present invention six；
Figure 13 is the upper holder block upward view of the embodiment of the present invention six；
Figure 14 is the mounting structure schematic diagram of upper holder block in the embodiment of the present invention six, conversion briquetting, spring and lower lock block
1st, plug screw, 2, Orthopedic rod, 3, conversion briquetting, 4, position-limitting pin, 5, connector, 6, button, 7, spring, 8, push
Block, 9, upper holder block, 31, sphere, 32, external screw thread, 33, groove, 34, groove, 35, change the boss of briquetting, 61, bulb, 62,
Bulb 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,
93rd, through hole.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
The dual-purpose pedicle nail of the embodiment of the present invention one is that a kind of fixed in vertebra in operation is implanted into vertebra as shown in Fig. 1 ~ 4
Body, the operational tool of fixed vertebra, including plug screw 1, conversion briquetting 3, position-limitting pin 4, connector 5 and ball are coordinated with Orthopedic rod
Head nail 6.Connector 5 is a hollow cylinder, and the both ends of connector 5 are respectively upper shed and under shed.Upper shed inwall is provided with
Screw thread, screw thread are used to install plug screw 1, U-type groove are provided with below screw thread, U-type groove is using the installation Orthopedic rod in conventional connector
U-type groove structure, Orthopedic rod 2 be arranged on U-type groove in.The middle part of connector 5 is provided with position-limitting pin 4, and position-limitting pin 4 can use welding
Etc. common method installation on the connectors, conversion briquetting 3 can be limited in the inside of connector 5 by position-limitting pin 4.Change briquetting
3 are arranged in connector 5, the top of button 6.Conversion briquetting 3 is provided with groove 33 with the abutted surface of Orthopedic rod 2, changes briquetting 3
Centre can open up the tooling hole of polygon, be easy to use the position of instrument regulation conversion briquetting 3.Change briquetting 3 and bulb 61
The face to connect is sphere 31.Button 6 fixes general button of performing the operation using general vertebra, includes the bulb of interconnection
61 and rivet nut, bulb 61 be located at one end of rivet nut, opened on bulb 61 coordinate regulation instrument hexagon blind hole 63.Change briquetting
3 sphere 31 connects with bulb 61, and sphere 31 coordinates with the gap of bulb 61, and bulb 61 is connected to connector lower opening, connects
The sphere of the under shed of device 5 coordinates with the gap of bulb 61, and button 6 can be freely swung..
Before use, bulb 61 is connected to the lower opening of connector 5, rivet nut is stretched out outside connector 5, and conversion briquetting 3 is installed
Above bulb 61, position-limitting pin 4 is arranged on connector 5, prevents that changing briquetting 3 skids off connector 5.Pedicle nail has been implanted into
Bi Hou, the direction of the groove 33 on conversion briquetting 3 can be adjusted, coordinate Orthopedic rod 2 to control conversion briquetting in connector
Upper-lower position, adjustment bulb 61 and the gap for changing briquetting 3, and then handoff functionality acts on.If as universal type dynamic
The pedicle nail of Tiny increment dt uses, then can use instrument to be adjusted briquetting 3 is changed to the position parallel with Orthopedic rod 2 of groove 33, by
The U-lag supporting of device 5 can be connected 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 leaves gap, deattenuation, button with bulb 61
6 can freely swing.If making fixed support as fixing glue to use, available instrument is adjusted briquetting 3 is changed to groove 33
The state vertical with Orthopedic rod 2, after 2 fix in position of Orthopedic rod, conversion briquetting 3 can be compressed by Orthopedic rod 2, make sphere 31 and ball
First 61 connect completely, and damping increase, button can not be swung.Finally, plug screw 1 is installed in the upper shed of connector 5, twisted
Tightly, Orthopedic rod 2 is fixed.Orthopedic rod 2 can use general vertebra to fix general Orthopedic rod of performing the operation.
Conversion briquetting 3 of the dual-purpose pedicle nail of the embodiment of the present invention two shown in using Fig. 5,6, briquetting 3 is changed towards spiral shell
Plug 1 one side be provided with groove 33 and groove 34, groove 33 is more bigger than the depth of groove 34, thus during use Orthopedic rod 2 be caught in it is recessed
The depth of groove 33 is also bigger than being caught in the depth of groove 34.When Orthopedic rod 2 is stuck in different grooves, conversion briquetting 3 is connecting
Height inside device 5 is different, and the gap length between bulb 31 has difference, produces different dampings, pedicle nail can
Pedicle nail as On Fluctuations uses or common universal fixing glue is made fixed support and used.
The pedicle nail of the embodiment of the present invention three, the position of briquetting, conversion briquetting such as Fig. 7 institutes are changed using threaded adjusting
Show, external screw thread 32 be provided with the abutted surface of connector 5, the inwall of connector 5 is provided be engaged with conversion briquetting external screw thread in
Screw thread.Briquetting 3 is changed with the face that the bulb 61 of button 6 connects into sphere 31, sphere 31 makees gap cooperation with bulb 61.
In use, user is adjusted its height, is made the cambered surface 31 and ball of conversion briquetting using instrument rotation conversion briquetting 3
First 61 gap length changes, and caused damping size also changes therewith, and when gap change is big, deattenuation, pedicle nail can
Used using the pedicle nail as On Fluctuations；When gap change is small, damping increase, when reaching maximum, pedicle nail can conduct
Common universal fixing glue is made fixed support and used.Whole pedicle nails be implanted into vertebras and adjust it is appropriate after, Orthopedic rod 2 is installed to
In the U-type groove of connector 5, plug screw 1 is installed to the upper shed of connector 5, tightened, fix Orthopedic rod 2.
The pedicle nail of the embodiment of the present invention four, as shown in Figure 8,9, the bulb 61 of wherein button 6 is a hemisphere, its
Top is in plane, changes and spring 7 is provided between briquetting 3 and button 6, and one end of spring 7 props up conversion briquetting 3, another
End props up the top of bulb 61.Change briquetting 3 and be provided with and pacify spring-loaded boss 35, quantity, size and shape and the spring 7 of boss 35
It is engaged, boss 35 is arranged on spring 7 and propped up in one end of conversion briquetting 3, the position of one side fixed spring 7, on the other hand
When the conversion height of briquetting 3 reaches minimum, boss 35 can connect with the top of bulb 61, be fixed button 6.The top of bulb 61
On be additionally provided with blind hole 62, the other end of spring 7 is arranged in blind hole 62, both can also increase spring with the position of fixed spring 7
4 effective length, increase decrement.Spring 7 uses single column spring, and in actual production, the producer can be according to facing
Size, the type and quantity of bed demand regulation spring, when the quantity of spring 7 is more than one, in order that stress balance, spring 7
Should be into circle distribution between conversion briquetting 3 and bulb 61.Moreover, changed in the present embodiment convex on briquetting 3 and bulb 61
Platform structure and blind hole structure can also be interchangeable according to the needs of actual production.In order to fix button 6, both can with make turn
The method that briquetting 3 directly connects with the top of bulb 61 is changed, conversion briquetting can also be used to compress spring 7 completely makes it fix ball
First 61 method, button 6 is fixed.Position-limitting pin 4 is arranged in connector 5 on wall, and the conversion grade part of briquetting 3 is limited in
In connector 5, connector 5 will not be skidded off.
Before use, button 6, spring 7 and conversion briquetting 3 can be installed in connector 5.Button 6 is connected to connector 5
Under shed, spring 7 is arranged on button 6, and conversion briquetting 3 is arranged on the top of spring 7, and the one end of spring 7 is arranged on bulb 61
In the blind hole 61 of plane, the other end is fixed by the boss 35 of conversion briquetting 3, and position-limitting pin 4 is arranged on the inwall of connector 5.Vertebra
After nut nail implantation, the direction of the groove 33 on conversion briquetting 3 can be adjusted, coordinates Orthopedic rod 2 to control conversion briquetting 3 to exist
Upper-lower position in connector 5, so as to control button 6 and change the gap between briquetting 3, and then switching acts on.Use
For person according to clinical actual conditions, selection makes Orthopedic rod 2 be absorbed in groove 33, and conversion briquetting 3 does not contact with the top planes of bulb 61,
Spring 7 is not compacted, and pedicle screws are followed closely as automatically reset dynamic Tiny increment dt and used；Or Orthopedic rod 2 is set to 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 is fixed button 6, pedicle of vertebral arch
Nail play fixed supporting role as fixing glue.Finally, orthopedic 2 rod is installed in the U-type groove of connector 5, plug screw 1 is installed to
In the upper shed of connector 5, tighten, fix Orthopedic rod 2.
Embodiment five as shown in FIG. 10 and 11, adds lower lock block 8, and button 6 makes on the basis of example IV
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
Sphere is provided with, gap cooperation is done with bulb 61.Spring 7 is single column spring, flexible constraint dynamics that can be as needed,
Change the type and quantity of spring.The boss 35 of the position of fixed spring 7 is respectively provided with conversion briquetting 3 and the relative face of lower lock block 8
With boss 81, the size and number of boss is engaged 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.The boss of briquetting 3 and lower lock block 8 is converted, can be according to production in actual production
Need to change into blind hole or the structure of other fixed springs.
Before use, button 6, spring 7, lower lock block 8 can be installed in connector 5.Button 6 is connected to connector 5
Under shed, lower lock block 8 are arranged on button, and spring 7 is arranged on the top of lower lock block 8, and conversion briquetting 3 is arranged on the top of spring 7,
The boss 81 that the one end of spring 7 is pressed down block 8 is fixed, and the other end is fixed by the boss 35 of conversion briquetting 3, and position-limitting pin 4 is arranged on
On the inwall of connector 5.After pedicle nail is implanted into, user adjusts the direction of the conversion upper groove 33 of briquetting 3 according to purposes,
When Orthopedic rod 2 is parallel with groove 33, after Orthopedic rod 2 is fixed by plug screw 1, in the presence of spring 7, conversion briquetting 3 moves up, groove
33 contact with Orthopedic rod 2, and lower lock block 8 also in the presence of spring 7, has gap, and button 6 is produced with conversion briquetting 3
Flexible constraint, pedicle nail are followed closely as universal type dynamic Tiny increment dt and used.And the groove 33 that will be changed on briquetting 3, it is adjusted to and rectifys
During the vertical direction of shape rod 2, Orthopedic rod 2 and plug screw 1 are inserted, and after screwing plug screw 1, is pressed in by the Orthopedic rod 2 that U-type groove supports
In the plane for changing briquetting 3, conversion briquetting 3 is pushed, causes to change the gap between briquetting 3 and lower lock block 8 and disappears, lower lock block
8 are also pressed down, and the sphere of lower lock block 8 connects completely with bulb 61, and damping increase, button 6 can not be swung, then pedicle nail is made
Used for universal fixing glue.
Embodiment six is to change the application that briquetting 3 coordinates other kinds of pedicle nail as shown in Figure 12 to 14.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 the top of spring 7, and spring 7 is pacified
Above lower lock block 8, the lower section of lower lock block 8 is button 6, and the bulb 61 that lower lock block 8 is provided with sphere and button 6 coordinates.
Upper holder block 9 is provided with a through hole 93, and size and the conversion briquetting 3 of through hole 93 coordinate, and conversion briquetting 3 is arranged in through hole 93.
Conversion briquetting 3 is provided with groove 33, can be coordinated with Orthopedic rod 2, conversion briquetting 3 is changed with active state being compacted.Bullet
Spring 7 is column spring, there is four, can be needed to adjust number of springs and species according to clinic.It is each on upper holder block 9 and lower lock block 8
Provided with the size of spring 7, the blind hole of cooperating number 91 and 82, blind hole is circumferentially distributed, and can fix the position of spring 7, spring 7
Both 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 the inwall of connector 5
Pin hole 92 is provided with, position-limitting pin 4 is inserted in pin hole 92.The instrument of hexagon is designed with conversion briquetting 3 and bulb 61
Hole, the direction of regulation conversion briquetting 3 and button 6 in tool insert hole can be utilized, can also be by tooling hole in actual production
Make other polygonal shapes into.
Before use, button 6, upper holder block 9, lower lock block 8, spring 7, conversion briquetting 3 are pre-installed in connector 5, ball
First 61 are connected to the under shed of connector 6, and lower lock block 9 is arranged on bulb 6, and four springs 7 are installed in blind hole 82, upper 9 pieces of pressure
It is 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 into the inwall of connector 5
On, insert pin hole 92.After pedicle nail implantation centrum, the direction of conversion briquetting 2 is adjusted with instrument, when groove 33 and Orthopedic rod
3 it is vertical when, conversion briquetting 3 compressed by Orthopedic rod 2, pedicle nail turns into fixing glue；When groove 33 is parallel with Orthopedic rod 2, rectify
In the groove 33 that shape rod 2 is pressed into, briquetting 3 is changed as active state, and pedicle screws are followed closely as dynamic Tiny increment dt and used.Finally, will
Plug screw 1 is installed in the upper shed of connector 5, is tightened, and fixes Orthopedic rod 2.
In above-described embodiment, the Orthopedic rod 2 being used cooperatively with the pedicle nail of the present invention can be fixed using general vertebra
Perform the operation general Orthopedic rod.
Above-described embodiment is the preferred embodiment for the present invention, other all its principle and basic structure it is identical with the present embodiment or
Approximately, within the scope of the present invention.
Claims (7)
1. a kind of dual-purpose pedicle nail, including connector and button, connector is hollow cylinder, and one end of connector is provided with upper
Opening, the other end of connector are provided with shed, and the Orthopedic rod that the pedicle nail fixes operation with vertebra is used cooperatively, institute
The U-type groove that connector upper shed one end is provided with installation Orthopedic rod is stated, button includes bulb and the rivet nut being connected with each other, bulb peace
Mounted in connector lower opening, it is characterised in that the pedicle nail also includes plug screw and conversion briquetting, and the plug screw is arranged on
In connector upper shed, the Orthopedic rod is arranged on below plug screw, and the conversion briquetting is arranged on Orthopedic rod inside connector
Lower section, conversion briquetting are arranged on the top of bulb, and conversion briquetting, which is provided with, is used to change conversion briquetting in connector interior location
Position limiting structure；The position limiting structure is changes the groove set on briquetting, and the groove coordinates with Orthopedic rod, and Orthopedic rod is stuck in recessed
In groove；The groove has more than two, and the depth of each groove is different.
2. pedicle nail as claimed in claim 1, it is characterised in that being provided with the connector inwall prevents in connector
Part abjection position-limitting pin.
3. pedicle nail as claimed in claim 1, it is characterised in that the position limiting structure changes briquetting and connector to be located at
External screw thread on abutted surface, the connector inwall are provided with the internal thread being engaged with conversion briquetting external screw thread.
4. pedicle nail as claimed in claim 1, it is characterised in that spring is additionally provided between the conversion briquetting and bulb,
It is in plane at the top of the bulb, between spring is vertically installed at the top of conversion briquetting and bulb.
5. pedicle nail as claimed in claim 1, it is characterised in that it is described conversion briquetting and bulb between be additionally provided with spring and
Lower lock block, the lower lock block are arranged on above bulb, and the spring is vertically installed between conversion briquetting and lower lock block.
6. pedicle nail as claimed in claim 1, it is characterised in that the pedicle nail also include upper holder block, spring and under
Briquetting, the lower lock block are arranged on above bulb, and the spring is arranged on above lower lock block, and the upper holder block is arranged on spring
Side, the upper holder block are provided with a through hole, and conversion briquetting is arranged in the through hole of upper holder block.
7. the pedicle nail as described in claim any one of 4-6, it is characterised in that the spring is provided with more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078129.3A CN105596071B (en) | 2015-12-31 | 2016-02-03 | A kind of dual-purpose pedicle nail |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511034519 | 2015-12-31 | ||
| CN2015110345192 | 2015-12-31 | ||
| CN201610078129.3A CN105596071B (en) | 2015-12-31 | 2016-02-03 | A kind of dual-purpose pedicle nail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105596071A CN105596071A (en) | 2016-05-25 |
| CN105596071B true CN105596071B (en) | 2018-03-23 |
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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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620112434.5U Withdrawn - After Issue CN205514850U (en) | 2015-12-31 | 2016-02-03 | Dual -purpose pedicle screw |
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| CN (2) | CN105596071B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105596071B (en) * | 2015-12-31 | 2018-03-23 | 何静 | A kind of dual-purpose pedicle nail |
| 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 |
| CN118177944B (en) * | 2024-05-16 | 2024-07-30 | 中国人民解放军总医院第四医学中心 | Spinal fixation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102525635A (en) * | 2010-12-10 | 2012-07-04 | 上海微创骨科医疗科技有限公司 | Universal pedicle screw |
| CN102697546A (en) * | 2011-03-22 | 2012-10-03 | 麦德塔国际股份公司 | Polyaxial pedicle screw and fixation system kit comprising the screw |
| CN103083078A (en) * | 2011-10-27 | 2013-05-08 | 比德尔曼技术有限责任两合公司 | High angulation polyaxial bone anchoring device |
| CN203539425U (en) * | 2013-09-29 | 2014-04-16 | 何静 | Vertebral pedicle nail |
| CN205514850U (en) * | 2015-12-31 | 2016-08-31 | 何静 | Dual -purpose pedicle screw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2682062B1 (en) * | 2012-07-03 | 2015-09-16 | Biedermann Technologies GmbH & Co. KG | Polyaxial bone anchoring device |
-
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
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102525635A (en) * | 2010-12-10 | 2012-07-04 | 上海微创骨科医疗科技有限公司 | Universal pedicle screw |
| CN102697546A (en) * | 2011-03-22 | 2012-10-03 | 麦德塔国际股份公司 | Polyaxial pedicle screw and fixation system kit comprising the screw |
| CN103083078A (en) * | 2011-10-27 | 2013-05-08 | 比德尔曼技术有限责任两合公司 | High angulation polyaxial bone anchoring device |
| CN203539425U (en) * | 2013-09-29 | 2014-04-16 | 何静 | Vertebral pedicle nail |
| CN205514850U (en) * | 2015-12-31 | 2016-08-31 | 何静 | Dual -purpose pedicle screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105596071A (en) | 2016-05-25 |
| CN205514850U (en) | 2016-08-31 |
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