CN106420028A - Vertebral reduction shaper - Google Patents
Vertebral reduction shaper Download PDFInfo
- Publication number
- CN106420028A CN106420028A CN201611050317.1A CN201611050317A CN106420028A CN 106420028 A CN106420028 A CN 106420028A CN 201611050317 A CN201611050317 A CN 201611050317A CN 106420028 A CN106420028 A CN 106420028A
- Authority
- CN
- China
- Prior art keywords
- push rod
- support
- hairclipper
- support arm
- lower support
- Prior art date
- 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.)
- Pending
Links
- 239000002639 bone cement Substances 0.000 claims abstract description 27
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 239000007943 implant Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 3
- 230000007850 degeneration Effects 0.000 abstract description 2
- 238000002324 minimally invasive surgery Methods 0.000 abstract description 2
- 208000034656 Contusions Diseases 0.000 abstract 1
- 230000009519 contusion Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000002513 implantation Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 206010041569 spinal fracture Diseases 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002407 tissue scaffold Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; 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
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/885—Tools for expanding or compacting bones or discs or cavities therein
-
- 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
- A61B2017/681—Alignment, compression, or distraction mechanisms
Abstract
The invention provides a vertebral reduction shaper. The shaper comprises a support and a push rod. The support with pushing opening joints is integrally formed by wire-electrode cutting of whole piece of medical titanium alloy in the middle and comprises an upper support body and a lower support body. Support arm sets are arranged between the upper support body and the lower support body and used for stretching the upper support body and the lower support body. One ends of the support arm sets are connected with the push rod through the joints, and the other ends of the support arm sets are connected with the upper support body or the lower support body through the joints. When the support is integrally formed by wire-electrode cutting of the whole piece of the medical titanium alloy, the vertebral reduction shaper is high in structural integrity, easy to process, simple in structure, small in size of an initial state and convenient to implant; due to joint motion, the shaper can be implanted into a intervertebral disc or a centrum in minimally invasive surgery, the height of the intervertebral disc or the centrum after degeneration or contusion is rebuilt, effective space is created, and the neurothlipsis sequelae caused by bone cement leakage can be reduced.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly to a kind of corpus vertebrae replacement former.
Background technology
Spinal fracture is normal generation, especially osteoporosis patient, and typically many is first using expectant treatment.In young man
Spinal fracture often need to beat in fixed reset treat.But, often therefore lose the physiological activity scope of vertebra, and in sclerotin
What loose spinal fracture was commonly used is to fill two methods of bone cement and implantation shaped device, and wherein, the method filling bone cement can be stopped
Pain and partial reset, when pouring into bone cement, bone cement enters into the support force needing in interverbebral disc or centrum by itself
Tissue around exclusion, interverbebral disc or centrum is supported, so that interverbebral disc or the shape of centrum is replied, play and control
Treatment acts on, but, due to oppressing that bone cement is organized, often occur bone cement to expose and the adverse consequences of pressuring nerve；Plant
The method entering shaped device can quickly make interverbebral disc or the height of centrum be restored, but the support force of shaped device has
Limit, fragile, it is easy to after healing recur.
Content of the invention
The technical problem to be solved is：In order to overcome deficiency of the prior art, the present invention provides a kind of vertebra
Body reset former.
The present invention solves its technical problem technical scheme to be taken：A kind of corpus vertebrae replacement former, including support
And push rod, described support is formed in middle wire cutting using monoblock medical titanium alloy one, and has the joint that can back down, described
Support includes supporter and lower support, is provided with for strutting described upper supporter between described upper supporter and lower support
With the support arm group of lower support, described support arm group one end is connected by joint with described push rod, and described support arm group is another
End is connected by joint with described upper supporter or lower support.Support is formed using one wire cutting, and structural integrity is strong, just
Beginning state size is little, is easy to implant.Support does not destroy the stability of vertebra using medical titanium alloy material, adopts between various pieces
Connected with joint, when strutting, there is preferable flexibility, good to centrum compliance, reduce the stress of pedicle of vertebral arch or interverbebral disc.
The support arm group concrete structure of support has a variety of forms, the design concept of the present invention be using have pliability and
The foldable structure of elasticity, is moved in or out using support arm group and struts upper supporter and lower support, will be made below tool
Body explanation.
The first technical scheme, the support force of support arm group is by the middle part points toward edge of support, support arm group with push away
The tie point of bar is located at the middle part of support, by making link position from middle part to two side shiftings, supporter and lower support in realization
The strutting of body.
Specifically, the middle part between described upper supporter and lower support is oppositely arranged two hairclippers, each described hairclipper
Outside is provided with two groups of support arm groups, and two groups of support arm groups are stretched out and connected with the edge of described upper supporter and lower support respectively
Connect, described support arm group forms described joint with the junction of described upper supporter, lower support and hairclipper；Described push rod two ends
It is connected with two described hairclippers respectively, and at least one described hairclipper is threadeded with described push rod.
Second technical scheme, the support force of support arm group is by the middle part of pointing to of bracket edge, support arm group with push away
The tie point of bar is located at the outside of support, is moved by two lateral middle parts by making link position, supporter and lower support in realization
The strutting of body.
Specifically, the outside between described upper supporter and lower support is oppositely arranged two hairclippers, each described hairclipper
Inner side is provided with two groups of support arm groups, and two groups of support arm groups are extended internally and connected with the middle part of described upper supporter and lower support respectively
Connect, described support arm group forms described joint with the junction of described upper supporter, lower support and hairclipper；Described push rod two ends
It is connected with two described hairclippers respectively, and at least one described hairclipper is threadeded with described push rod.
In above two technical scheme, push rod can also adopt two ways with the connected mode of hairclipper, and one kind is to push away
All there is relative displacement, another kind is that a hairclipper is constant relative to push rod position, another hairclipper phase between bar and two hairclippers
Displacement is produced to push rod.In order to simplify structure in the present invention, between hairclipper and push rod by the way of threaded.
Specifically, described push rod passes through in the middle part of described hairclipper, and described push rod two ends are provided with positive and negative bidirectional helical, described
Threadeded with two described hairclippers respectively in push rod two ends.Positive and negative bidirectional helical can make the simultaneously opposite or reverse fortune of two hairclippers
Dynamic, realize propping up of support arm group.
Specifically, it is provided with unidirectional screw thread outside described push rod, described push rod one end is rotated with a hairclipper and is connected, described push rod
The other end is threadeded with another hairclipper.Unidirectional screw thread makes a hairclipper produce displacement on push rod, another hairclipper and push rod
Rotate and connect, make two hairclippers simultaneously opposite by the interaction force between integrally-built symmetry and push rod and hairclipper or
Counter motion, realizes propping up of support arm group.
Further, the bending part in described joint carries out skiving and forms the first arc groove.The width of the first arc groove will
More than support arm group during non-softened state and the distance between upper supporter or lower support, joint bending part is particularly cut
Thin process, makes joint be in more soft feature, is easy to strutting of support.
Further, described support arm group includes two support arms be arrangeding in parallel, between the end of two described support arms
Carry out skiving and form the second arc groove.On the one hand, compared with support arm single with external diameter identical, can using multiple support arms
To strengthen the support strength of support；On the other hand, when single support arm has identical support strength with multiple support arms, using many
Individual support arm can improve the flexibility of support, be easy to support and strut.
Preferably, the profile of described former is cylindrical or box-shaped.
Further, in order to improve the effect for the treatment of, described push rod be hollow structure, and described push rod side wall be provided with some
Individual bone cement portals.The present invention is that former is combined with the treatment method of bone cement, first, is thought highly of by implantation shaping and builds
Degeneration or the height of post-traumatic interverbebral disc or centrum, and build the useful space, tissue scaffold is lived；Then, by pushing away
The hollow structure of bar and bone cement portal and pour into bone cement into interverbebral disc or centrum, now, due to adopting former in advance
Tissue is strutted, what bone cement will not be organized when entering in interverbebral disc or centrum extrudes, and will not deform, bone water
Mud only needs to the space being formed full of former.Double structure complemented each other to form using former and bone cement, both ensure that
The intensity supporting, turn avoid the leakage of bone cement.
Operation principle：
Each position of support connects for joint, can produce position when being acted on by external force and be changed.During use, with implantation
Former is implanted directly in interverbebral disc device or pedicle is implanted in centrum, is divided by mid-point due on intermediate push rod
It is divided into the two parts being connected with hairclipper, therefore, when rotating push-rod, reversely push hairclipper or the hairclipper that furthers in opposite directions open, hairclipper exists
Support being backed down simultaneously to the two ends or middle mobile of push rod thus pushing support arm group open on push rod, making support towards upper and lower two
Direction is opened gradually.
The invention has the beneficial effects as follows：A kind of corpus vertebrae replacement former that the present invention provides, using medical titanium alloy one
Wire cutting is formed, and structural integrity is strong, easy to process, and structure is simple, and original state size is little, is easy to implant, has joint motion,
Can be implanted in Minimally Invasive Surgery in interverbebral disc or centrum, become big by volume, rebuild degenerate or post-traumatic interverbebral disc or
The height of person centrum, and build the useful space, can reduce bone cement and leak causing the sequelae of neurothlipsis.Medical titanium alloy material
Material does not destroy the stability of vertebra, meanwhile, also has preferable flexibility, good to centrum compliance, reduces pedicle of vertebral arch or intervertebral
The stress of disk, the former of the present invention has the advantages that structure is simple, intensity is high, support effect good, the little scope of application of otch is big.
Brief description
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the structural representation of the non-softened state of former；
Fig. 3 is the structural representation of former softened state；
Fig. 4 is the enlarged diagram of A in Fig. 3；
Fig. 5 is the enlarged diagram of B in Fig. 3；
Fig. 6 is the structural representation of cylindrical former；
Fig. 7 is the structural representation of embodiment two；
Fig. 8 is the structural representation of embodiment two；
Fig. 9 is the structural representation of embodiment three；
Figure 10 is the structural representation of example IV；
Figure 11 (a) -11 (c) is the schematic flow sheet that former pedicle implants centrum；
Figure 12 (a) -12 (c) is the schematic flow sheet that former intervertebral spinal fusion implants interverbebral disc.
In figure：100th, former, 200, implanting device, 1, support, 1-1, upper supporter, 1-2, lower support, 1-3, hairclipper,
1-4, support arm group, 1-41, support arm, 1-5, the first arc groove, 1-6, the second arc groove, 2, push rod, 3, joint, 4, vertebra
Body, 5, interverbebral disc, 6, intervertebral foramen, 7, pedicle of vertebral arch, 8, bone cement portal, 9, boss.
Specific embodiment
Presently in connection with accompanying drawing, the present invention is described in detail.This figure is the schematic diagram simplifying, and only illustrates in a schematic way
The basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
Embodiment one：
As shown in figures 1 to 6, a kind of corpus vertebrae replacement former of the present invention, former 100 global shape be box-shaped or
Cylinder, including support 1 and push rod 2, described support 1 is formed in middle wire cutting using monoblock medical titanium alloy one, and has
There is the joint 3 that can back down, described support 1 includes supporter 1-1 and lower support 1-2, described upper supporter 1-1 and lower support
Middle part between body 1-2 is oppositely arranged two hairclipper 1-3, is provided with two groups of support arm groups 1-4 outside each described hairclipper 1-3, and two
Group support arm group 1-4 is stretched out and is connected with the edge of described upper supporter 1-1 and lower support 1-2 respectively, described support arm
Group 1-4 forms described joint 3 with described upper supporter 1-1, the junction of lower support 1-2 and hairclipper 1-3；Described push rod 2 from
Pass through in the middle part of two described hairclipper 1-3, threaded with described hairclipper 1-3, and the screw thread at described push rod 2 two ends is positive and negative two-way
Screw thread.Support 1 is avoided using medical titanium alloy and causes to expose and the adverse consequences of pressuring nerve using bone cement, and support 1 is adopted
Formed with one wire cutting, structural integrity is strong, and after contraction, size is little, be easy to implant.Medical titanium alloy material does not destroy vertebra
Stability, meanwhile, also there is preferable flexibility, good to centrum 4 compliance, reduce pedicle of vertebral arch 7 or the stress of interverbebral disc 5.
The bending part in described joint 3 carries out skiving and forms the first arc groove 1-5.The width of the first arc groove 1-5 will
More than the distance between support arm group 1-4 during non-softened state and upper supporter 1-1 or lower support 1-2, joint 3 bending part enters
The special skiving of row is processed, and making at joint 3 is in more soft feature, is easy to strutting of support 1.
Described support arm group 1-4 includes two support arm 1-41 be arrangeding in parallel, the end of two described support arm 1-41
Between carry out skiving formed the second arc groove 1-6.On the one hand, compared with external diameter identical single support arm 1-41, adopt
Multiple support arm 1-41 can strengthen the support strength of support 1；On the other hand, single support arm 1-41 and multiple support arm 1-41
The flexibility of support 1 when there is identical support strength, can be improved using multiple support arm 1-41, be easy to support 1 and strut.
Described push rod 2 is hollow structure, and described push rod 2 side wall is provided with several bone cements and portals 8.
Operation principle：
Each position of support 1 connects for joint 3, can produce position when being acted on by external force and be changed.During use, with planting
Enter device 200 former 100 is implanted in interverbebral disc 5 or centrum 4, due to being separated into by mid-point on intermediate push rod 2 and pushing away
The positive and negative bidirectional helical that sub- 1-3 connects, therefore, when rotating push-rod 2, reversely pushes hairclipper 1-3 open, hairclipper 1-3 can on push rod 2
To move to the two ends of push rod 2 simultaneously, thus pushing support arm group 1-4 open, backing down support 1, making support 1 towards upper and lower two directions gradually
Open；When the volume that support 1 struts reaches requirement, portal 8 into interverbebral disc 5 or centrum 4 by the bone cement on push rod 2
Pour into bone cement, realize treatment.
Embodiment two：
As shown in fig. 7, the difference of the present embodiment and embodiment one is the push rod 2 of former 100 and hairclipper 1-3's
Connected mode is different, is provided with unidirectional screw thread outside described push rod 2, and described push rod 2 one end is rotated with a hairclipper 1-3 and is connected, described
Push rod 2 other end is threadeded with another hairclipper 1-3.
Operation principle：
In rotating push-rod 2, only produce between displacement, and another hairclipper 1-3 between push rod 2 and a hairclipper 1-3
There is relative rotation, another hairclipper 1-3 is to produce support force by the movement of push rod 2 to hairclipper 1-3, thus backed down.
Two hairclipper 1-3 are reversed and push open, thus pushing support arm group 1-4 open, back down support 1, so that support 1 is gradually opened towards upper and lower two directions
Open；When the volume that support 1 struts reaches requirement, by the bone cement on push rod 2 portal 8 into interverbebral disc 5 or centrum 4 fill
Enter bone cement, realize treatment.
Embodiment three：
As Figure 8-9, the difference of the present embodiment and embodiment one is the setting direction of support arm group 1-4 not
With the outside between described upper supporter 1-1 and lower support 1-2 is oppositely arranged two hairclipper 1-3, each described hairclipper 1-3
Inner side is provided with two groups of support arm groups 1-4, two groups of support arm groups 1-4 extend internally respectively with described upper supporter 1-1 and lower support
The boss 9 at the middle part of body 1-2 connects, described support arm group 1-4 and described upper supporter 1-1, lower support 1-2 and hairclipper 1-3
Junction form described joint 3；Described push rod 2 passes through in the middle part of two described hairclipper 1-3, with described hairclipper 1-3 screw thread even
Connect, and the screw thread at described push rod 2 two ends is positive and negative bidirectional helical.In positive and negative bidirectional helical in the present embodiment and embodiment one not
With the present embodiment hairclipper 1-3 at two ends in rotating push-rod 2 is move toward one another, close to each other.
Operation principle：
Each position of support 1 connects for joint 3, can produce bending when being acted on by external force and change.During use, with implantation
Former 100 is implanted in interverbebral disc 5 or centrum 4 device 200, due to intermediate push rod 2 with the positive and negative bidirectional helical of hairclipper 1-3 even
Connect, and two hairclipper 1-3 are located at both sides, therefore, when rotating push-rod 2, the distance of the two hairclipper 1-3 that further in opposite directions, hairclipper 1-3 exists
Can be simultaneously mobile in the middle of push rod 2 on push rod 2, thus pushing support arm group 1-4 open, backing down support 1, making support 1 towards upper and lower
Two directions are opened gradually；When the volume that support 1 struts reaches requirement, portal 8 to interverbebral disc 5 by the bone cement on push rod 2
Or pour into bone cement in centrum 4, realize treatment.
Example IV：
As shown in Figure 10, the difference of the present embodiment and embodiment three is push rod 2 and the hairclipper 1-3 of former 100
Connected mode different, be provided with unidirectional screw thread outside described push rod 2, described push rod 2 one end is connected with a hairclipper 1-3 rotation, institute
State push rod 2 other end to threaded with another hairclipper 1-3.
Operation principle：
In rotating push-rod 2, only produce between displacement, and another hairclipper 1-3 between push rod 2 and a hairclipper 1-3
There is relative rotation, another hairclipper 1-3 is to produce support force by the movement of push rod 2 to hairclipper 1-3, thus being furthered.Two
Individual hairclipper 1-3 is furthered in opposite directions, thus pushing support arm group 1-4 open, backs down support 1, so that support 1 is gradually opened towards upper and lower two directions
Open；When the volume that support 1 struts reaches requirement, by the bone cement on push rod 2 portal 8 into interverbebral disc 5 or centrum 4 fill
Enter bone cement, realize treatment.
As shown in Figure 11 (a) -11 (c), it is the schematic flow sheet that former 100 pedicle 7 implants centrum 4, will implant
Device 200 is connected with former 100 and completes, and through pedicle of vertebral arch 7, former 100 is implanted in centrum 4, then rotates implanting device
200 drive push rods 2 rotate, and so that former 100 is gradually opened towards upper and lower two directions, realize the support to centrum 4, according to fracture
The size of situation and former 100 can select to implant one or more former 100.
As shown in Figure 12 (a) -12 (c), it is the schematic flow sheet that former 100 intervertebral spinal fusion 6 implants interverbebral disc 5, will plant
Enter device 200 and be connected with former 100 to complete, former 100 is implanted in interverbebral disc 5 intervertebral spinal fusion 6, then rotate implanting device
200 drive push rods 2 rotate, and so that former 100 is gradually opened towards upper and lower two directions, realize the support to interverbebral disc 5, according to concrete
The size of situation and former 100 can select to implant one or more former 100.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, the staff of correlation
Various change and modification can be carried out without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification it is necessary to determine its technical scope according to right.
Claims (9)
1. a kind of corpus vertebrae replacement former it is characterised in that：Including support (1) and push rod (2), described support (1) adopts monoblock
Medical titanium alloy one forms in middle wire cutting, and has the joint (3) that can back down, supporter in the inclusion of described support (1)
(1-1) with lower support (1-2), it is provided between described upper supporter (1-1) and lower support (1-2) for strutting described upper
The support arm group (1-4) of support body (1-1) and lower support (1-2), described support arm group (1-4) one end is led to described push rod (2)
Cross joint (3) to connect, described support arm group (1-4) other end passes through to close with described upper supporter (1-1) or lower support (1-2)
Section (3) connects.
2. corpus vertebrae replacement former as claimed in claim 1 it is characterised in that：Described upper supporter (1-1) and lower support
(1-2) middle part between is oppositely arranged two hairclippers (1-3), is provided with two groups of support arm group (1- outside each described hairclipper (1-3)
4), two groups of support arm groups (1-4) are stretched out and are connected with the edge of described upper supporter (1-1) and lower support (1-2) respectively,
The junction of described support arm group (1-4) and described upper supporter (1-1), lower support (1-2) and hairclipper (1-3) forms described
Joint (3)；Described push rod (2) two ends are connected with two described hairclippers (1-3) respectively, and at least one described hairclipper (1-3)
Threaded with described push rod (2).
3. corpus vertebrae replacement former as claimed in claim 1 it is characterised in that：Described upper supporter (1-1) and lower support
(1-2) outside between is oppositely arranged two hairclippers (1-3), is provided with two groups of support arm group (1- inside each described hairclipper (1-3)
4), two groups of support arm groups (1-4) are extended internally and are connected with the middle part of described upper supporter (1-1) and lower support (1-2) respectively,
The junction of described support arm group (1-4) and described upper supporter (1-1), lower support (1-2) and hairclipper (1-3) forms described
Joint (3)；Described push rod (2) two ends are connected with two described hairclippers (1-3) respectively, and at least one described hairclipper (1-3)
Threaded with described push rod (2).
4. corpus vertebrae replacement former as claimed in claim 2 or claim 3 it is characterised in that：Described push rod (2) is from described hairclipper (1-
3) pass through in the middle part of, and described push rod (2) two ends are provided with positive and negative bidirectional helical, described push rod (2) two ends push away with described in two respectively
Sub (1-3) is threaded.
5. corpus vertebrae replacement former as claimed in claim 2 or claim 3 it is characterised in that：It is provided with unidirectional spiral shell outside described push rod (2)
Line, described push rod (2) one end and a hairclipper (1-3) rotate and are connected, described push rod (2) other end and another hairclipper (1-3) screw thread
Connect.
6. corpus vertebrae replacement former as claimed in claim 1 it is characterised in that：The bending part of described joint (3) carries out skiving
Form the first arc groove (1-5).
7. corpus vertebrae replacement former as claimed in claim 1 it is characterised in that：Described support arm group (1-4) includes two and puts down
The support arm (1-41) of row setting, carries out skiving and forms the second arc groove between the end of two described support arms (1-41)
(1-6).
8. corpus vertebrae replacement former as claimed in claim 1 it is characterised in that：The profile of described former (100) is cylinder
Shape or box-shaped.
9. corpus vertebrae replacement former as claimed in claim 1 it is characterised in that：Described push rod (2) is hollow structure, and described
Push rod (2) side wall is provided with several bone cements and portals (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611050317.1A CN106420028A (en) | 2016-11-24 | 2016-11-24 | Vertebral reduction shaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611050317.1A CN106420028A (en) | 2016-11-24 | 2016-11-24 | Vertebral reduction shaper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106420028A true CN106420028A (en) | 2017-02-22 |
Family
ID=58218443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611050317.1A Pending CN106420028A (en) | 2016-11-24 | 2016-11-24 | Vertebral reduction shaper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106420028A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964673A (en) * | 2004-04-05 | 2007-05-16 | 扩张整形外科公司 | Expandable bone device |
| CN101031259A (en) * | 2004-06-09 | 2007-09-05 | 维克辛姆公司 | Methods and apparatuses for bone restoration |
| CN102341066A (en) * | 2008-12-31 | 2012-02-01 | 奥马尔·F·希门尼斯 | Methods and apparatus for vertebral body distraction and fusion employing flexure members |
| CN102427769A (en) * | 2009-03-12 | 2012-04-25 | 维克辛姆公司 | Apparatus for bone restoration of the spine and methods of use |
| CN105934211A (en) * | 2013-12-23 | 2016-09-07 | 维克辛姆公司 | Expansible intravertebral implant system with posterior pedicle fixation |
| CN106137473A (en) * | 2016-08-10 | 2016-11-23 | 邹德威 | Lumbar vertebral posterior multi-functional Intervertebral disc fusion device |
| CN206548588U (en) * | 2016-11-24 | 2017-10-13 | 常州好利医疗科技有限公司 | Corpus vertebrae replacement former |
-
2016
- 2016-11-24 CN CN201611050317.1A patent/CN106420028A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964673A (en) * | 2004-04-05 | 2007-05-16 | 扩张整形外科公司 | Expandable bone device |
| CN101031259A (en) * | 2004-06-09 | 2007-09-05 | 维克辛姆公司 | Methods and apparatuses for bone restoration |
| CN102341066A (en) * | 2008-12-31 | 2012-02-01 | 奥马尔·F·希门尼斯 | Methods and apparatus for vertebral body distraction and fusion employing flexure members |
| CN102427769A (en) * | 2009-03-12 | 2012-04-25 | 维克辛姆公司 | Apparatus for bone restoration of the spine and methods of use |
| CN105934211A (en) * | 2013-12-23 | 2016-09-07 | 维克辛姆公司 | Expansible intravertebral implant system with posterior pedicle fixation |
| CN106137473A (en) * | 2016-08-10 | 2016-11-23 | 邹德威 | Lumbar vertebral posterior multi-functional Intervertebral disc fusion device |
| CN206548588U (en) * | 2016-11-24 | 2017-10-13 | 常州好利医疗科技有限公司 | Corpus vertebrae replacement former |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107510524B (en) | A kind of adjustable Invasive lumbar fusion device and its adjust tool | |
| CN104042366B (en) | Orthopedic distensible devices | |
| CN104010594B (en) | Surgical implants for percutaneous lengthening of spinal pedicles to correct spinal stenosis | |
| CN103876865A (en) | Expandable interbody fusion cage | |
| CN205866898U (en) | Lumbar vertebrae interbody fusion cage can strut | |
| CN102240234B (en) | Adjustable artificial cervical vertebra and intervertebral connecting complex | |
| CN107049562B (en) | A kind of double acting joint cervical prosthesis | |
| NO326371B1 (en) | Axially extending implantable rod for adjusting a distance between two adjacent vertebral bodies. | |
| CN109199560B (en) | Support capable of being spread and supporting bone grafting | |
| CN104306054B (en) | A kind of expansible vertebral plasty support | |
| CN105232191A (en) | Intervertebral fusion device capable of being braced in transverse direction | |
| CN106137473B (en) | The multi-functional Intervertebral disc fusion device of lumbar vertebral posterior | |
| CN102274066A (en) | Trans-vertebral-pedicle centrum fracture restorer | |
| CN206548588U (en) | Corpus vertebrae replacement former | |
| CN105105890A (en) | Cervical vertebrae inter-vertebral disc prosthesis | |
| CN102166140A (en) | High-simulation customized combined artificial vertebra | |
| CN101612054B (en) | External-distraction pedicle screw-rod bracket of vertebral body | |
| CN107115143A (en) | A kind of PVP bioabsorbable stents and its forming method | |
| CN106420028A (en) | Vertebral reduction shaper | |
| CN204147102U (en) | A kind of expansible vertebral plasty support | |
| CN106037998A (en) | Variable-angle interbody fusion device | |
| CN207506664U (en) | A kind of intervertebral may expand fusion device | |
| CN207708317U (en) | Vertebral body augmentation formation system | |
| CN109758270A (en) | Fusion device can be strutted | |
| CN207356125U (en) | Intervertebral disc fusion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |