CN207886319U - Mortise and tenon type Thoracolumbar disk intervertebral fixer - Google Patents
Mortise and tenon type Thoracolumbar disk intervertebral fixer Download PDFInfo
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- CN207886319U CN207886319U CN201720544222.9U CN201720544222U CN207886319U CN 207886319 U CN207886319 U CN 207886319U CN 201720544222 U CN201720544222 U CN 201720544222U CN 207886319 U CN207886319 U CN 207886319U
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- body portion
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- intervertebral fixer
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Abstract
The utility model is related to mortise and tenon type Thoracolumbar disk intervertebral fixers, it include the intervertebral fixer body portion of the intervertenral space for being inserted into thoracic vertebrae or lumbar vertebrae, and it is fixedly connected on the vertical wing-like part of the one end in intervertebral fixer body portion, vertical wing-like part includes interconnecting piece and tenon, for interconnecting piece for being fixedly connected with intervertebral fixer body portion, interconnecting piece each extends over out tenon along the length direction of human vertebra, to the both sides in intervertebral fixer body portion.Compared with the Thoracolumbar disk intervertebral fixation device of the prior art, present apparatus intervertebral fusion of lesion segment suitable for the operation of thoracic vertebrae anterior-lateral decompression and lumbar vertebral posterior decompression operation is fixed, Tenon in use between the tenon and upper and lower vertebral bone slot of vertical wing-like part, which is fixed, to squeeze upper hypocentrum to intervertebral fixer body portion, hypocentrum is set to form the entirety of a firm stable with intervertebral fixer three, stability and fixing are preferable, it limits fixator depth and prevents its rollback, and advantage is provided for final fusion.
Description
Technical field
The utility model is related to medical instruments fields, more particularly to mortise and tenon type Thoracolumbar disk intervertebral fixer.
Background technology
Tenon is used a kind of concave-convex connection type combined on two components.It is tenon (or tenon in protrusion part
Head)；Recess plays connection function the fourth of the twelve Earthly Branches (or mortise, tongue-and-groove), tenon and fourth of the twelve Earthly Branches occlusion.This be Chinese ancient architecture, furniture and
The primary structure mode of other wooden instruments.Joinery and its construction is the combination at tenon and the fourth of the twelve Earthly Branches, be between each component mostly with less, it is high with it is low,
It is long with it is short between ingenious combination, can effectively limit twisting of the component parts to all directions.Most basic joinery and its construction by
Two component compositions, the tenon of one of them are inserted into another mortise, and two components is made to connect and fix.
Joinery and its construction is the primary structure mode used in ancient china construction, antique traditional furniture manufacturing process.Each
Component is supported mutually, the entirety that thin individual is become to fit together perfectly by being combined with each other, it overcomes, and individual is thin to be lacked
Point, the entirety being composed can bear huge stress.In addition to this, this special flexible structure is bearing larger load
While also allow to generate certain deformation.This is also that many Chinese ancient architectures are fixed without one piece of iron nail, can but be towered
Century-old reason.Tenon is the epitome of traditional Chinese culture extensive knowledge and profound scholarship, is the marrow of ancient times workmanship, is extremely exquisite
Utility model is created.
Invasive lumbar fusion device has played positive effect in interbody fusion.It, which has, improves fusion rate, maintains intervertenral space
Height and physiological camber, the advantages that meeting patient's early postoperation Go to ground activity.It is miscellaneous in more than 30 years development courses
Invasive lumbar fusion device constantly comes out and applied to clinic.Generally speaking include bion Invasive lumbar fusion device, metal mold Invasive lumbar fusion device,
Four major class such as composite material type Invasive lumbar fusion device, absorbable type Invasive lumbar fusion device.Different modus operandis different intervertebral fusions in addition
The application of device often means that different clinical effectiveness.Ideal Invasive lumbar fusion device should be able to correct deformity of spine, keep segment steady
Determine and provide the ideal mechanical environment of advantageous fusion.But with the extension of follow up time, Invasive lumbar fusion device displacement, sedimentation, stress
Block, adjacent parts bone information, the complication such as Delayed onset inflammatory reaction when have been reported that.Therefore Invasive lumbar fusion device is in materialogy, life
The research in the fields such as material resources and bionics also has very long stretch to walk.
Utility model content
For the technical problems in the prior art, the purpose of this utility model is：Mortise and tenon type Thoracolumbar disk intervertebral is provided
Fixator, it is suitable for the intervertebral fusions of lesion segment in the operation of thoracic vertebrae anterior-lateral decompression and lumbar vertebral posterior decompression operation to fix,
Upper hypocentrum is combined into firm entirety, achieve the purpose that limit fixator depth and prevents its from retracting, stability and firm
Property is preferable.
In order to achieve the above object, the utility model adopts the following technical solution：
Mortise and tenon type Thoracolumbar disk intervertebral fixer includes the intervertebral fixer body of the intervertenral space for being inserted into thoracic vertebrae or lumbar vertebrae
Portion, and it is fixedly connected on the vertical wing-like part of the one end in intervertebral fixer body portion, vertical wing-like part includes interconnecting piece and tenon
Head, interconnecting piece for being fixedly connected with intervertebral fixer body portion, interconnecting piece along the length direction of human vertebra, to intervertebral fixer
The both sides in body portion each extend over out tenon.After this structure, intervertebral fixer body portion and centrum mortise and tenon type combination, with
Vertical wing-like part is tenon, and osteotome chisel takes the lateral margin of the upper hypocentrum of thoracic vertebrae or the rear bone slot of the upper hypocentrum of lumbar vertebrae to make tenon
Intervertebral fixer body portion is embedded in intervertenral space, upper hypocentrum is combined into firm entirety by eye, reaches limitation fixator depth
With the purpose for preventing it from retracting.
Intervertebral fixer body portion is integrally formed with vertical wing-like part.Structure is more firm.
The one end in intervertebral fixer body portion is equipped with groove, and for connecting portion in groove, interconnecting piece is connected to the bottom surface of groove.
It is provided separately convenient for die sinking processing, manufacturing process is simple.
The lower part of interconnecting piece is located in groove, and the top of interconnecting piece protrudes from groove.According to the spy of human body thoracic vertebrae and lumbar vertebrae
Point setting keeps the depth of the vertical upper hypocentrum of wing-like part insertion more suitable.
The both sides in intervertebral fixer body portion are equipped with several latches, the direction of latch towards human vertebra length direction,
Latch positioned at intervertebral fixer body portion both sides is symmetrical set.Good support is provided for intervertebral fixer body portion and holding is made
With.
Latch is right-angle prismatic rod structure, the direction of insertion of the inclined-plane of latch towards intervertebral fixer body portion.Further carry
It is acted on for more preferably stability and holding, above-mentioned is the most preferred embodiment of reciprocal latch structure.
Latch includes big latch and small latch, and big latch is set to the both sides of small latch, close to intervertebral fixer body portion
Both ends.Above-mentioned is the most preferred embodiment of latch arrangement mode.
Intervertebral fixer body portion is equipped with hollow out.Not only it is solid conducive to being merged between bone but also can mitigate intervertebral to can be used for placing skeletal grain
Determine device overall weight.
Hollow out is oblate hollow out.Above structure is preferable embodiment.
Intervertebral fixer body portion both sides are equipped with holder bayonet, and the line of two holder bayonets is perpendicular to human vertebra
Length direction.Holder is fixed when for performing the operation.
Generally speaking, the utility model has the following advantages that：
Compared with the Thoracolumbar disk intervertebral fixation device of the prior art, the present apparatus is suitable for the operation of thoracic vertebrae anterior-lateral decompression and waist
The intervertebral fusion of lesion segment is fixed in vertebra posterior decompression, the tenon Yu upper and lower vertebral bone slot of vertical wing-like part in use
Between Tenon fix and upper hypocentrum can be squeezed to intervertebral fixer body portion, so that hypocentrum and intervertebral fixer three is formed one
The entirety of a firm stable, stability and fixing are preferable, limit fixator depth and prevent its rollback, and are carried for final fusion
For advantage.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model mortise and tenon type Thoracolumbar disk intervertebral fixer.
Fig. 2 is the dimensional structure diagram of another angle of the utility model mortise and tenon type Thoracolumbar disk intervertebral fixer.
Fig. 3 is the horizontal plane schematic diagram of angle shown in Fig. 2.
Fig. 4 is the sagittal plane schematic diagram of angle described in Fig. 2.
Wherein include in Fig. 1 to Fig. 4：
1 is intervertebral fixer body portion, 1-1 is big latch, 1-2 is small latch, 1-3 is oblate hollow out, 1-4 is holder
Bayonet, 1-5 are cylindric aperture；
2 be vertical wing-like part, 2-1 is interconnecting piece, 2-2 is tenon, 2-3 cutting edges.
Specific implementation mode
It is next below that the utility model is described in more detail.
Embodiment 1.
As shown in Figures 1 to 4, mortise and tenon type Thoracolumbar disk intervertebral fixer includes the intervertebral for being inserted into thoracic vertebrae or lumbar vertebrae
The intervertebral fixer body portion 1 of gap, and it is fixedly connected on the vertical wing-like part 2 of the one end in intervertebral fixer body portion 1, vertical wing
Component 2 includes interconnecting piece 2-1 and tenon 2-2, and interconnecting piece 2-1 with intervertebral fixer body portion 1 for being fixedly connected, interconnecting piece 2-1
Tenon 2-2 is each extended over out along the length direction of human vertebra, to the both sides in intervertebral fixer body portion 1.After this structure,
Intervertebral fixer body portion 1 and centrum mortise and tenon type combination, with vertical wing-like part 2 for tenon 2-2, osteotome chisel takes the upper of thoracic vertebrae
The rear bone slot of the lateral margin of hypocentrum or the upper hypocentrum of lumbar vertebrae does mortise, and intervertebral fixer body portion 1 is embedded in intervertenral space, will
Upper hypocentrum is combined into firm entirety, achievees the purpose that limit fixator depth and prevents it from retracting.Intervertebral fixer body portion 1
It is integrally formed with vertical wing-like part 2.Structure is more firm.The lower part of interconnecting piece 2-1 is located in groove, interconnecting piece 2-1's
Top protrudes from groove.It is arranged according to the characteristics of human body thoracic vertebrae and lumbar vertebrae, makes the depth of the upper hypocentrum of the insertion of vertical wing-like part 2
It is more suitable.The one side of vertical wing-like part 2 towards the negative direction in intervertebral fixer body portion 1 is smooth cambered surface, and tenon 2-2 is towards vertebra
Between fix body portion 1 direction be equipped with sharp keen cutting edge 2-3.Sharp keen cutting edge 2-3 intervertebral fixer be implanted into intervertenral space when just
It is inserted into bone slot gap in tenon 2-2.
As shown in Figure 1, the both sides in intervertebral fixer body portion 1 are equipped with several latches, the direction of latch is towards human vertebra
Length direction, the latch positioned at 1 both sides of intervertebral fixer body portion is symmetrical set.It is provided well for intervertebral fixer body portion 1
Support and holding effect.Latch is right-angle prismatic rod structure, the insertion side of the inclined-plane of latch towards intervertebral fixer body portion 1
To.More preferably stability and holding effect are further provided for, above-mentioned is the most preferred embodiment of reciprocal latch structure.Latch includes big
Latch 1-1 and small latch 1-2, big latch 1-1 are set to the both sides of small latch 1-2, the both ends close to intervertebral fixer body portion 1.
Above-mentioned is the most preferred embodiment of latch arrangement mode.
As shown in Figure 1, Figure 2, Figure 4 shows, intervertebral fixer body portion 1 is equipped with hollow out.Both can be used for placing skeletal grain to be conducive between bone
Fusion can mitigate intervertebral fixer overall weight again.Hollow out is oblate hollow out 1-3.Above structure is preferable embodiment party
Formula.The both sides of oblate hollow out 1-3 are respectively provided with a cylindric aperture 1-5, convenient for the oblate hollow out 1-3 inner cases of observation.
As shown in Figure 1 to Figure 3,1 both sides of intervertebral fixer body portion are equipped with holder bayonet 1-4, two holder bayonet 1-4
Line perpendicular to human vertebra length direction.Holder is fixed when for performing the operation.
Generally speaking, the utility model has the following advantages that：Compared with the Thoracolumbar disk intervertebral fixation device of the prior art, this
Device intervertebral fusion of lesion segment suitable for the operation of thoracic vertebrae anterior-lateral decompression and lumbar vertebral posterior decompression operation is fixed, in use
Tenon between the tenon 2-2 and upper and lower vertebral bone slot of vertical wing-like part 2 is fixed can be by upper hypocentrum to intervertebral fixer body portion 1
It squeezes, hypocentrum is made to form the entirety of a firm stable with intervertebral fixer three, stability and fixing are preferable, limitation
It fixator depth and prevents its rollback, and advantage is provided finally to merge.
After the completion of thoracic vertebrae dypass and posterior lumbar spinal surgery decompression, the vertical wing-like part 2 for being suitble to height is chosen, is such as needed more
Segment is fixed, and tenon 2-2 height is less than the half of vertebral height.It is that reference osteotome is being grasped respectively with tenon 2-2 height
Make hypocentrum lateral margin (thoracic vertebrae) or rear (lumbar vertebrae) on the intervertenral space of segment and chisel the bone slot of corresponding height, width and depth to prepare tenon
Eye, notices that bone slot direction is vertical with intervertenral space holding.
According to operation die trial detection disc height and width, in conjunction with the empirically determined most suitable Thoracolumbar disk intervertebral of patient
1 specification of fixed body portion.After choosing intervertebral fixer body portion 1, it is (or autologous ilium, of the same race different that osteocomma that mortise chisel takes will be prepared
Body skeletal grain) implantation intervertebral fixer body portion 1 the spaces oblate hollow out 1-3 in and suppress closely knit, intervertebral is filled up with plant bone mass and is consolidated
Determine body portion 1 and concordant with top bottom surface is advisable.
Holder (general with product used in existing Invasive lumbar fusion device) distal end prong like is put into intervertebral fixer
In the holder bayonet 1-4 at the horizontal groove rear portion of 1 both sides of body portion, screwing holder proximal end bolt ensures that holder is solid with intervertebral
Determine device to be fixed well.
1 leading edge of intervertebral fixer body portion is directed at intervertenral space, about 2 both sides tenon 2-2 of vertical wing-like part is directed at bone slot,
Holder proximal end is struck, impact dynamics and rhythm are controlled, close observation intervertebral fixer is implanted into direction and depth.Keep intervertebral solid
Determine in body portion 1 rear implantation centrum and determines vertical 2 bottom surface of wing-like part and upper hypocentrum lateral margin (thoracic vertebrae) or rear (waist
Vertebra) concordantly, mortise and tenon type Thoracolumbar disk intervertebral fixer is implanted into place.
Appropriateness lifting holder handle, checks 1 constant depth of intervertebral fixer body portion and firm degree, it is close to unscrew holder
Terminal bolt.The placement of mortise and tenon type Thoracolumbar disk intervertebral fixer finishes.
Mortise and tenon type Thoracolumbar disk intervertebral fixer traffic stud bar system can be used before thoracic vertebrae anterior decompression hand Cooperation in operation, or
Combine pedicle nail bar system internal fixation operation in lumbar vertebral posterior decompression operation to use.Meanwhile vertical 2 height of wing-like part does not surpass
The half of vertebral height is crossed, therefore also can be used for implementing continuous two or more segment intervertebral disease surgery.Concrete condition needs
In conjunction with conditions of patients and operator's experience comprehensive consideration.Different rule are made into intervertebral fixer body portion 1 and vertical wing-like part 2
Lattice, to adapt to needed for different Thoracolumbar disk segments and different patient individual differences.
Embodiment 2.
Mortise and tenon type Thoracolumbar disk intervertebral fixer, other structures are same as Example 1, repeat no more, the difference is that：Vertebra
Between fix the one end in body portion 1 and be equipped with groove, interconnecting piece 2-1 is located in groove, and interconnecting piece 2-1 is connected to the bottom surface of groove.Point
It opens up and sets convenient for die sinking processing, manufacturing process is simple.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (10)
1. mortise and tenon type Thoracolumbar disk intervertebral fixer, it is characterised in that：It include the vertebra of the intervertenral space for being inserted into thoracic vertebrae or lumbar vertebrae
Between fix body portion, and be fixedly connected on the vertical wing-like part of the one end in intervertebral fixer body portion, vertical wing-like part includes
Interconnecting piece and tenon, interconnecting piece for being fixedly connected with intervertebral fixer body portion, interconnecting piece along human vertebra length direction, to
The both sides in intervertebral fixer body portion each extend over out tenon.
2. mortise and tenon type Thoracolumbar disk intervertebral fixer described in accordance with the claim 1, it is characterised in that：Intervertebral fixer body portion with hang down
Straight wing-like part is integrally formed.
3. mortise and tenon type Thoracolumbar disk intervertebral fixer described in accordance with the claim 1, it is characterised in that：The one of intervertebral fixer body portion
End is equipped with groove, and for connecting portion in groove, interconnecting piece is connected to the bottom surface of groove.
4. mortise and tenon type Thoracolumbar disk intervertebral fixer described in accordance with the claim 3, it is characterised in that：The lower part of interconnecting piece is located at recessed
In slot, the top of interconnecting piece protrudes from groove.
5. mortise and tenon type Thoracolumbar disk intervertebral fixer described in accordance with the claim 1, it is characterised in that：The two of intervertebral fixer body portion
Side is equipped with several latches, and the direction of latch is located at the card of intervertebral fixer body portion both sides towards the length direction of human vertebra
Tooth is symmetrical set.
6. mortise and tenon type Thoracolumbar disk intervertebral fixer according to claim 5, it is characterised in that：Latch is right-angle prismatic column knot
Structure, the direction of insertion of the inclined-plane of latch towards intervertebral fixer body portion.
7. mortise and tenon type Thoracolumbar disk intervertebral fixer according to claim 6, it is characterised in that：Latch includes big latch and small
Latch, big latch are set to the both sides of small latch, the both ends close to intervertebral fixer body portion.
8. mortise and tenon type Thoracolumbar disk intervertebral fixer described in accordance with the claim 1, it is characterised in that：Intervertebral fixer body portion is equipped with
Hollow out.
9. mortise and tenon type Thoracolumbar disk intervertebral fixer according to claim 8, it is characterised in that：Hollow out is oblate hollow out.
10. mortise and tenon type Thoracolumbar disk intervertebral fixer described in accordance with the claim 1, it is characterised in that：Intervertebral fixer body portion two
Side is equipped with holder bayonet, the length direction of the lines of two holder bayonets perpendicular to human vertebra.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544222.9U CN207886319U (en) | 2017-05-17 | 2017-05-17 | Mortise and tenon type Thoracolumbar disk intervertebral fixer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544222.9U CN207886319U (en) | 2017-05-17 | 2017-05-17 | Mortise and tenon type Thoracolumbar disk intervertebral fixer |
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| Publication Number | Publication Date |
|---|---|
| CN207886319U true CN207886319U (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720544222.9U Active CN207886319U (en) | 2017-05-17 | 2017-05-17 | Mortise and tenon type Thoracolumbar disk intervertebral fixer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157627A (en) * | 2017-05-17 | 2017-09-15 | 暨南大学 | Mortise and tenon type Thoracolumbar disk intervertebral fixer |
-
2017
- 2017-05-17 CN CN201720544222.9U patent/CN207886319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157627A (en) * | 2017-05-17 | 2017-09-15 | 暨南大学 | Mortise and tenon type Thoracolumbar disk intervertebral fixer |
| CN107157627B (en) * | 2017-05-17 | 2023-12-29 | 暨南大学 | Mortise and tenon type thoracolumbar intervertebral fixer |
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