CN207136897U - Universal lateral connector - Google Patents
Universal lateral connector Download PDFInfo
- Publication number
- CN207136897U CN207136897U CN201621458702.5U CN201621458702U CN207136897U CN 207136897 U CN207136897 U CN 207136897U CN 201621458702 U CN201621458702 U CN 201621458702U CN 207136897 U CN207136897 U CN 207136897U
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- Prior art keywords
- holding claw
- connecting rod
- tranverse connecting
- ball head
- connecting piece
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Abstract
The utility model discloses a kind of universal lateral connector, and it includes two horizontal even hook and a tranverse connecting rods, and described two horizontal even hooks are separately positioned on the both ends of the tranverse connecting rod and are symmetrical arranged, wherein, the both ends of the tranverse connecting rod are respectively equipped with ball head connecting piece；Each horizontal even hook mainly includes upper holding claw and lower holding claw, and the bayonet socket of a fixing barred body is provided after each the horizontal even upper holding claw of hook and the installation of lower holding claw are fixed；Wherein, the ball head connecting piece, the upper holding claw are connected with the lower holding claw by a fastener；Also, along the length direction of the fastener, elastic component at least is set in one of following position：Between the end of the fastener and the ball head connecting piece；Or, the ball head connecting piece and it is described between holding claw；Or, on described between holding claw and the lower holding claw.Two horizontal even hooks of the universal lateral connector of the present utility model can carry out activity and adjustment in the range of certain angle in the case where there is damping.
Description
Technical field
It the utility model is related to medical instruments field, and in particular to a kind of horizontal even hitcher has the ridge of certain angle scope of activities
Post fixator lateral connection operating theater instruments.
Background technology
At present, internal fixation of spine technology be widely used in treating backbone degenerative disease, tumor of spine, wound so that
The diseases such as Spondylitis, wherein, using it is more be cervical arc root screw internal fixing system, it can efficiently accomplish three posts of backbone
It is fixed, meet the biomethanics requirement of backbone fixation, have become conventional internal fixation of spine technology.It is fixed in pedicle screw
System is typically made up of pedicle screw, longitudinal spinal rods, lateral connector, lateral connector therein clinically with vertebral arch
Root screw and longitudinal spinal rods are used cooperatively, be three posts fix important composition part, fixation, backbone side for spine fracture
Reconstruction after convex and slippage orthopedic, reset and tumor of spine excision.
Chinese Patent Application No. is 201320035745.2, applies for the limited patent text of the artificial graceful biomaterial of Tianjin prestige
Offer and disclose a kind of internal fixation of spine universal type lateral connector, it is by setting connecting hook to slot and locking screw shaped
Grabbing structure into three can realize to the locking with cambered pitman after plastotype.But connecting hook transversal slotting is to its mechanicalness
There can be a considerable influence, and its universal structure makes it solid during locking by the lock-screw universal tranverse connecting rod head ball that pressurizes
Fixed, lock-screw, notch form leverage points at bulb position in pressure process, for mechanical performance originally fragile connecting hook
For, failed after easily causing fracture at the fluting of connecting hook in actual use.
Chinese Patent Application No. is 201420450832.9, applies for that artificial Shenzhen Wald surgical medical equipment technology is limited
The patent document of company discloses a kind of lateral connector, and the lateral connector is not universal structure, and connector is without certain
The function of angular turn, cause lateral connector and longitudinal spinal in three-dimensional solid Timing Different Plane and different angle
Fixed effect.
Utility model content
The utility model provides a kind of universal lateral connector, and two horizontal company's hooks of the universal lateral connector can be certain
Activity and adjustment in angular range.
The technical solution of the utility model is as follows：
A kind of universal lateral connector, it includes two horizontal even hook and a tranverse connecting rods, and described two horizontal even hooks are separately positioned on
The both ends of the tranverse connecting rod are simultaneously symmetrical arranged, wherein,
The both ends of the tranverse connecting rod are respectively equipped with ball head connecting piece；
Each horizontal even hook mainly includes upper holding claw and lower holding claw, the upper holding claw of each horizontal company's hook and lower armful
One bayonet socket for fixing barred body is provided after pawl installation is fixed；Wherein,
The ball head connecting piece, the upper holding claw are connected with the lower holding claw by a fastener；Also, along the fastening
The length direction of part, elastic component at least is set in one of following position：
Between the end of the fastener and the ball head connecting piece；Or,
The ball head connecting piece and it is described between holding claw；Or,
On described between holding claw and the lower holding claw.
Compared with prior art, the beneficial effects of the utility model are as follows：
Firstth, the setting that the utility model passes through elastic component so that horizontal company, which is hooked in multi-angle swing and embraced up and down, grabs activity
When produce certain damping, because the presence of damping causes universal lateral connector for the three-dimensional connection of longitudinal spinal rods and different
The locking of angle is more convenient, can save operating time；Therefore, the utility model not only realizes the firm tune of different angle
It is whole, and due to the setting of elastic component, holding claw and lower holding claw is being realized a certain degree of opening, described in making
Bayonet socket has a bigger circular arc radian, so can be more firm connection pitman；
Secondth, horizontal even hook is arranged to two parts of upper holding claw and lower holding claw by the utility model, and by ball head connecting piece
It is arranged in the mounting groove of the upper holding claw, so that ball head connecting piece is connected in total by fastener, avoids
Structure of the prior art easily causes the defects of failing after fracture.
Certainly, implement any product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the universal lateral connector of the utility model embodiment, and the horizontal even hook of wherein one end is
Decomposition chart, the horizontal even hook of the other end is assembling assumption diagram；
Fig. 2 (a) and Fig. 2 (b) is the first tranverse connecting rod of the tranverse connecting rod of the universal lateral connector of the utility model embodiment
The schematic shapes of part and the second tranverse connecting rod part；
In figure, 1- the second tranverse connecting rod parts；2- lock-screws；3- disk springs；4- pads；The upper holding claws of 5-；Holding claw under 6-；7-
First tranverse connecting rod part.
Embodiment
The utility model provides a kind of universal lateral connector, and it includes two horizontal even hook and a tranverse connecting rods, described two horizontal strokes
Even hook is separately positioned on the both ends of the tranverse connecting rod and is symmetrical arranged, wherein,
The both ends of the tranverse connecting rod are respectively equipped with ball head connecting piece；
Each horizontal even hook mainly includes upper holding claw and lower holding claw, the upper holding claw of each horizontal company's hook and lower armful
One bayonet socket for fixing barred body is provided after pawl installation is fixed；Wherein,
The ball head connecting piece, the upper holding claw are connected with the lower holding claw by a fastener；Also, along the fastening
The length direction of part, elastic component at least is set in one of following position：
Between the end of the fastener and the ball head connecting piece；Or,
The ball head connecting piece and it is described between holding claw；Or,
On described between holding claw and the lower holding claw.
The utility model is by the setting of elastic component and combines ball head connecting piece, and the certain angle for realizing horizontal even hook is adjusted
It is whole, and damping can be provided when adjustment, so that universal lateral connector connects for longitudinal spinal rods are three-dimensional
And the locking of different angle is more convenient；And due to the setting of elastic component, the certain journey of opening between upper and lower holding claw can be enable
Degree is closed again after opening, so as to realize arc opening and the radian of longitudinal spinal rods 2/3 or so that upper and lower holding claw provided
Parcel, greater area of it can consolidate connection with longitudinal spinal rods.
Universal lateral connector of the present utility model, the ball head connecting piece, the upper holding claw and the lower holding claw pass through
The structure of fastener connection can be：
Each ball head connecting piece is provided with the through hole connected up and down；
Each upper holding claw is provided with mounting groove, and the ball head connecting piece can be arranged in the mounting groove；
Each upper holding claw is equipped with hole on the top of the mounting groove and bottom, forms through hole；
Each lower holding claw offers downwards screw slots or screw hole from top；Wherein,
Each ball head connecting piece is arranged in the mounting groove of the upper holding claw of corresponding position, also, described
The through hole that fastener is formed by the through hole on the ball head connecting piece, the upper holding claw in the top of the mounting groove and bottom
The ball head connecting piece, the upper holding claw and the lower holding claw are connected to one with the screw slots or screw hole of the lower holding claw
Rise.This kind of attachment structure processing is simple, and connection is easy.
Universal lateral connector of the present utility model, the elastic component can be disk spring, or other any realize class
Like the elastic component of function.
Universal lateral connector of the present utility model, the fastener are lock-screw, or other it is any can realize it is similar
The fastener of function.
Universal lateral connector of the present utility model, the ball head connecting piece include a ball head and a tranverse connecting rod portion, institute
State ball head and be provided with the through hole, the tranverse connecting rod portion connects the ball head and the tranverse connecting rod.Such structure can be more preferable
Realize tranverse connecting rod and the horizontal even connection between hook.
Universal lateral connector of the present utility model, each upper holding claw are provided with opening in the top of the mounting groove,
The size of the opening is less than the size of the mounting groove, and the hole of the bottom setting of the opening and the upper holding claw is formed
Upper and lower path.The size of the opening is less than the size of the mounting groove, and the ball head connecting piece can be made firmly to set
On described in the mounting groove of holding claw.
The face that universal lateral connector of the present utility model, the upper holding claw and the lower holding claw are in contact includes closing on institute
The inclined plane part of the mutual cooperation of tranverse connecting rod and the planar portions positioned at the inclined plane part distal end are stated, also, the upper holding claw is described
The distal end of planar portions has the arc sections that inner surface is circular arc, and the lower holding claw is in the end face corresponding to the distal end of the planar portions
Arc section is provided with, the arc section of the lower holding claw and the circular arc formation one of the arc sections of the upper holding claw fix barred body
Bayonet socket.The inclined plane part of the contact surface of the upper holding claw and the lower holding claw can make positioning between the two more accurately and just
It is prompt.
Universal lateral connector of the present utility model, the tranverse connecting rod are length-adjustable tranverse connecting rod.Adjustable length can
The utility model is set to be used for a variety of different occasions for there are different requirements to length.
Universal lateral connector of the present utility model, the tranverse connecting rod can realize adjustable length by following structures：It is described
Tranverse connecting rod includes the first tranverse connecting rod part and the second tranverse connecting rod part, is offered along its length among the first crossbeam rod member fair
Perhaps the elongated slot that described second tranverse connecting rod part slides wherein, and along perpendicular to the first tranverse connecting rod part and the second tranverse connecting rod part
Direction be provided with the lock-screw that is attached the first tranverse connecting rod part and the second tranverse connecting rod part.
Universal lateral connector of the present utility model, the tranverse connecting rod can realize adjustable length by following structures：It is described
Tranverse connecting rod includes the first tranverse connecting rod part and the second tranverse connecting rod part, and the first tranverse connecting rod part and the second tranverse connecting rod part pass through one
Nut connects and adjusted the distance between the first tranverse connecting rod part and the second tranverse connecting rod part.
Universal lateral connector of the present utility model, the upper holding claw and the lower holding claw installation provide described after fixing
Bayonet socket is up to 2/3 radian.Bigger radian bayonet socket can realize the more firm parcel to pitman and clamping.
The utility model is further described below with specific embodiment.
Embodiment
Fig. 1 is referred to, the universal lateral connector of the present embodiment includes two horizontal even hook and a tranverse connecting rods, described two horizontal companies
Hook is separately positioned on the both ends of the tranverse connecting rod and is symmetrical arranged, wherein,
The both ends of the tranverse connecting rod are respectively equipped with ball head connecting piece；The visible ball head connecting piece 8 for right side in Fig. 1；
Each horizontal even hook mainly includes upper holding claw 5 and lower holding claw 6, the upper He of holding claw 5 of each horizontal even hook
A bayonet socket for fixing barred body is provided after the lower installation of holding claw 6 is fixed, the circular arc bayonet socket as shown in the horizontal even chimoto in left side in Fig. 1；Its
In,
The ball head connecting piece 8, the upper holding claw 5 are connected with the lower holding claw 6 by a fastener, in the present embodiment
In, fastener is lock-screw 2；Also, along the length direction of the lock-screw 2, elastic component is set in following position：
Between the head of the lock-screw 2 and the ball head connecting piece 8, in the present embodiment, elastic component is disk spring 3；Or
Elastic component can also be arranged between the ball head connecting piece and the upper holding claw；Or elastic component can also be arranged on
Between the upper holding claw 5 and the lower holding claw 6.It is or equal in any two position of three above-mentioned positions or three positions
Elastic component is set.Those skilled in the art can deform out the setting quantity of a variety of fasteners according to announcement of the present utility model,
The utility model is to this without limiting.
In the present embodiment, the ball head connecting piece 8, the upper holding claw 5 and the lower holding claw 6 pass through the lock-screw
2 connection structures be：
Each ball head connecting piece 8 is provided with the through hole 81 connected up and down；
Each upper holding claw is provided with mounting groove 51, and the ball head connecting piece 8 can be arranged in the mounting groove 51；
Each upper holding claw 5 is provided with opening 52 in the top of the mounting groove 51, and the size of the opening 52 is less than institute
The size of mounting groove 51 is stated, each upper holding claw 5 is provided with hole in the bottom of mounting groove 51 (due to viewing angle problem, the Kong Tu
In it is invisible), the opening 52 forms the path connected up and down with the hole；
Each lower holding claw 6 offers downwards screw slots 61 from top, and alternatively, screw slots can also be screw
Hole；Wherein,
Each ball head connecting piece 8 is arranged in the mounting groove 51 of the upper holding claw 5 of corresponding position, also,
The lock-screw 2 passes through the through hole 81 on the ball head connecting piece 8, upper holding claw 5 the opening on the top of the mounting groove 5
Mouthfuls 52 and the hole of bottom, the screw slots 61 of the lower holding claw 6 by the ball head connecting piece 8, the upper holding claw 5 and it is described under
Holding claw 6 links together.
In the present embodiment, a pad 4, the pad are additionally provided between the disk spring 3 and the ball head connecting piece 8
The opening 52 of upper holding claw 5 described in the shape adaptation of piece 4.
Fig. 1 and Fig. 2 (a) and Fig. 2 (b) are referred to, the tranverse connecting rod of the present embodiment is length-adjustable tranverse connecting rod, specifically,
The tranverse connecting rod includes the first tranverse connecting rod part 7 and the second tranverse connecting rod part 1, among the first crossbeam rod member 7 along its length
The elongated slot 71 for allowing the second tranverse connecting rod part 1 to slide wherein is offered, and along perpendicular to the He of the first tranverse connecting rod part 7
The direction of second tranverse connecting rod part 1 is provided with the lock-screw 9 for being attached the first tranverse connecting rod part 7 and the second tranverse connecting rod part 1.
Fig. 2 (a) and Fig. 2 (b) are referred to, being respectively equipped with the first tranverse connecting rod part 7 and the second tranverse connecting rod part 1 allows the locking screw
The hole 72 and 12 that nail 9 passes through.
First tranverse connecting rod part 7 and the second tranverse connecting rod part 1 are provided with the ball head connecting piece 8 in its one end respectively.It is each described
Ball head connecting piece 8 includes a ball head 82 and a tranverse connecting rod portion 83, and the ball head 82 is provided with the through hole 81, the tranverse connecting rod
Portion 83 connects the body of rod of the ball head 82 and the tranverse connecting rod part.
Referring again to Fig. 1, the face that the upper holding claw 5 and the lower holding claw 6 are in contact includes closing on the tranverse connecting rod
The inclined plane part of mutual cooperation and the planar portions positioned at the inclined plane part distal end, also, the upper holding claw 5 is in the remote of the planar portions
End is provided with circle with the arc sections that inner surface is circular arc, the lower holding claw 6 on the end face corresponding to the distal end of the planar portions
The circular arc of segmental arc, the arc section of the lower holding claw 6 and the arc sections of the upper holding claw 5 forms the card of the fixing barred body
Mouthful.
In other embodiments, the tranverse connecting rod of adjustable-length can also be other structures, such as with externally threaded
First tranverse connecting rod part and the second tranverse connecting rod part, the first tranverse connecting rod part and the second tranverse connecting rod part pass through a forward and reverse interior spiral shell
Line nut connects, so as to adjust the distance between the first tranverse connecting rod part and the second tranverse connecting rod part.
The present embodiment connects disk spring, tabletting, bulb connecting rod, upper holding claw, lower holding claw by lock-screw, realizes horizontal
Even the multi-angle of hook is swung.The universal structure of the lateral connector of the present embodiment realizes consolidating for Different Plane and different angle
It is fixed, and by the elastic connection of disk spring, the opening between upper and lower holding claw is opened bigger angle and recover former
Shape, so as to provide the bayonet socket of more orthodrome, realize greater area of consolidated with longitudinal spinal rods of holding claw up and down and connect, can
Realize the parcel with the radian of longitudinal spinal rods 2/3 or so；And due to the elastic connection structure of disk spring so that horizontal company is hooked in
Multi-angle swing and up and down holding claw activity when produce certain damping, and due to the presence of damping cause universal lateral connector with
The three-dimensional connection of longitudinal spinal rods and different angle are easier to lock, and can save operating time.
The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only described embodiment also not limit the utility model.Obviously, according to this theory
The content of bright book, it can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably
Principle and practical application of the present utility model is explained, so that skilled artisan can be best understood by and utilize this
Utility model.The utility model is only limited by claims and its four corner and equivalent.
Claims (10)
- A kind of 1. universal lateral connector, it is characterised in that including two horizontal even hook and a tranverse connecting rods, described two horizontal even hook difference It is arranged on the both ends of the tranverse connecting rod and is symmetrical arranged, wherein,The both ends of the tranverse connecting rod are respectively equipped with ball head connecting piece；Each horizontal even hook mainly includes upper holding claw and lower holding claw, each horizontal even upper holding claw of hook and lower holding claw peace One bayonet socket for fixing barred body is provided after dress is fixed；Wherein,The ball head connecting piece, the upper holding claw are connected with the lower holding claw by a fastener；Also, along the fastener Length direction, elastic component at least is set in one of following position：Between the end of the fastener and the ball head connecting piece；Or,The ball head connecting piece and it is described between holding claw；Or,On described between holding claw and the lower holding claw.
- 2. universal lateral connector as claimed in claim 1, it is characterised in that the ball head connecting piece, the upper holding claw and The structure that the lower holding claw is connected by the fastener is：Each ball head connecting piece is provided with the through hole connected up and down；Each upper holding claw is provided with mounting groove, and the ball head connecting piece can be arranged in the mounting groove；Each upper holding claw is equipped with hole on the top of the mounting groove and bottom, forms through hole；Each lower holding claw offers downwards screw slots or screw hole from top；Wherein,Each ball head connecting piece is arranged in the mounting groove of the upper holding claw of corresponding position, also, the fastening The through hole and institute that part is formed by the through hole on the ball head connecting piece, the upper holding claw in the top of the mounting groove and bottom The screw slots or screw hole for stating lower holding claw link together the ball head connecting piece, the upper holding claw and the lower holding claw.
- 3. universal lateral connector as claimed in claim 1, it is characterised in that the elastic component is disk spring, described tight Firmware is lock-screw, and the disk spring is arranged between the head of the lock-screw and the ball head connecting piece.
- 4. the universal lateral connector as described in claim 1 or 3, it is characterised in that connect in the elastic component and the bulb A pad is additionally provided between fitting.
- 5. universal lateral connector as claimed in claim 2, it is characterised in that the ball head connecting piece include a ball head and One tranverse connecting rod portion, the ball head are provided with the through hole, and the tranverse connecting rod portion connects the ball head and the tranverse connecting rod.
- 6. universal lateral connector as claimed in claim 2, it is characterised in that each upper holding claw is in the mounting groove Top is provided with opening, and the size of the opening is less than the size of the mounting groove, and the bottom of the opening and the upper holding claw is set The hole put forms upper and lower path.
- 7. universal lateral connector as claimed in claim 1, it is characterised in that the upper holding claw and the lower holding claw are in contact Face include closing on the inclined plane part of the mutual cooperation of the tranverse connecting rod and the planar portions positioned at the inclined plane part distal end, also, institute The arc sections that there is holding claw inner surface to be circular arc in the distal end of the planar portions are stated, the lower holding claw is in the remote of the planar portions The corresponding end face in end is provided with arc section, the arc section of the lower holding claw and the circular arc of the arc sections of the upper holding claw Into the bayonet socket of the fixing barred body.
- 8. universal lateral connector as claimed in claim 1, it is characterised in that the tranverse connecting rod is length-adjustable horizontal company Bar.
- 9. the universal lateral connector as described in claim 1 or 7, it is characterised in that the tranverse connecting rod includes the first tranverse connecting rod Part and the second tranverse connecting rod part, offering along its length among the first crossbeam rod member allows the second tranverse connecting rod part to exist The elongated slot wherein slided, and be provided with along perpendicular to the direction of the first tranverse connecting rod part and the second tranverse connecting rod part by described first The lock-screw that tranverse connecting rod part and the second tranverse connecting rod part are attached.
- 10. the universal lateral connector as described in claim 1 or 7, it is characterised in that the tranverse connecting rod includes the first tranverse connecting rod Part and the second tranverse connecting rod part, the first tranverse connecting rod part and the second tranverse connecting rod part are connected and adjusted described by a nut The distance between one tranverse connecting rod part and the second tranverse connecting rod part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458702.5U CN207136897U (en) | 2016-12-28 | 2016-12-28 | Universal lateral connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458702.5U CN207136897U (en) | 2016-12-28 | 2016-12-28 | Universal lateral connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207136897U true CN207136897U (en) | 2018-03-27 |
Family
ID=61658529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621458702.5U Active CN207136897U (en) | 2016-12-28 | 2016-12-28 | Universal lateral connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207136897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106510823A (en) * | 2016-12-28 | 2017-03-22 | 上海凯利泰医疗科技股份有限公司 | Universal transverse connector |
-
2016
- 2016-12-28 CN CN201621458702.5U patent/CN207136897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106510823A (en) * | 2016-12-28 | 2017-03-22 | 上海凯利泰医疗科技股份有限公司 | Universal transverse connector |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 2 floor. Patentee after: Shanghai Kinetic Medical Co., Ltd. Address before: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 1 floor. Patentee before: Shanghai Kinetic Medical Co., Ltd. |