CN209122544U - Vertebra struts fusion device and its vertebra auto-navigation struts system - Google Patents

Abstract

The utility model provides that vertebra struts fusion device and its vertebra auto-navigation struts system, it includes the first fusion body and the second fusion body that wherein vertebra, which struts fusion device, the first fusion body merges body with described second and cooperates, the first fusion body is merged with described second is equipped with the power mechanism for driving the two sliding between body, and the both ends of the surface of the two cooperate with the collet at the power mechanism both ends respectively, collet described in both ends is mutually drawn close or separate along axial direction, it acts on the first fusion body simultaneously by inclined-plane and merges body with described second to drive the two opposite or move backwards；Sliding equipment is equipped at the first fusion body and the second fusion body and at least one cooperation of the power mechanism.The utility model drives the first fusion body to merge body movement with second simultaneously by power mechanism, has the advantages that height adjustment is convenient.

Description

Vertebra struts fusion device and its vertebra auto-navigation struts system

Technical field

The utility model relates to medical instruments fields, strut fusion device and its vertebra certainly in particular to a kind of vertebra Navigation struts system.

Background technique

Backbone is mammalian vertebrates " column of life ", is especially shown one's talent in the evolution of the survival of the fittest in natural selection develops The upright walking mankind.Life experiencings generation-development-decline-extinction in the case where the universal law of metabolism dominates, In cycles with this；And as the vertebra of " column of life ", it is also inevitable to be dominated by this rule.Therefore, between twenty and fifty life After summit, decaying regression is the process that the backbone in each living individual is necessarily undergone.

Due to tumour, fracture, infection etc., the case that many reasons all may cause centrum damage occurs.Treating this When a little patients, currently used mode is one fusion body of implantation between the centrum of damage, and bone tissue is made to generate creeping substitution, To repair the centrum of damage, however traditional vertebral fusion body height is fixed, and the intervertebral introduction of human body varies with each individual, It is difficult to be adapted to the demand of patient by adjusting the height of fusion body in operation, is easy to influence therapeutic effect.

Utility model content

The utility model provides a kind of vertebra and struts fusion device, it is intended to improve that height adjustment in fusion device is difficult to ask Topic.

The utility model is realized in this way:

Vertebra struts fusion device, including the first fusion body and the second fusion body, the first fusion body with it is described Second fusion body cooperates, which is characterized in that the first fusion body is merged with described second is equipped with band between body The dynamic power mechanism for driving the two sliding, and the both ends of the surface of the two cooperate with the collet at the power mechanism both ends respectively, both ends The collet is mutually drawn close or separate along axial direction, is passed through inclined-plane and is acted on the first fusion body simultaneously and melts with described second Clutch body is to drive the two opposite or backwards to movement；The first fusion body and the second fusion body and the power Sliding equipment, inclined-plane of the sliding equipment towards the power mechanism are equipped at least one cooperation of mechanism.

Further, in the utility model preferred embodiment, the power mechanism includes screw rod, the screw rod and its One of described in collet be threadedly engaged, another collet is set in one end of the screw rod.

Further, in the utility model preferred embodiment, the power mechanism further comprises fixing piece, described The collet of fixing piece insertion and screw flight cooperation, the fixing piece compresses the end face of the screw rod, to limit The movement of the screw rod.

Further, in the utility model preferred embodiment, the collet includes end and is respectively arranged on described The inclined wedge of end front and rear sides, the inclined wedge include the first wedge block and the second wedge block stacked gradually from outside to inside, and two Sliding slot and/or inclined-plane are formed between person, for merging body and/or the second fusion body cooperation with described first.

Further, in the utility model preferred embodiment, first wedge block extends inwardly clamping portion, institute Clamping portion is stated with the first inclined-plane and the second inclined-plane, second wedge block has a third inclined-plane, the third inclined-plane with it is described Clamping portion forms sliding slot.

Further, in the utility model preferred embodiment, the first fusion body/second fusion body two End cooperates with the clamping portion of the inclined wedge respectively, and the clamping portion at both ends is located at front side and rear side.

Further, in the utility model preferred embodiment, the first fusion body and second fusion device Body all has the inclined-plane with the cooperation of collet described in both ends.

Further, in the utility model preferred embodiment, the first fusion body and second fusion device The opposite side of body is equipped with the concaveconvex structure that can be mutually twisted.

Further, in the utility model preferred embodiment, the screw rod is equipped with elastic spacing mechanism, and described The lateral wall of the collet of screw flight cooperation is equipped with limiting slot, and the elastic spacing mechanism and the limiting slot cooperate.

Also provided is vertebra auto-navigations to strut system, and above-mentioned fusion device further comprises control system and drive Moving part, the power mechanism are equipped with position reflector, and the control system is connect with the actuator, the actuator driving The power mechanism movement is mutually supportted so that the power mechanism drives the first fusion body to merge body with described second It opens or is closed.

The beneficial effects of the utility model are: the vertebra that the utility model obtains by above-mentioned design struts fusion device, lead to It crosses power mechanism while the first fusion body being driven to merge body movement with second, and by designing similar inclined wedge on collet Structure pushes the movement of the first fusion body/second fusion body, has the advantages that height adjustment is convenient.

Detailed description of the invention

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is the utility model embodiment, and vertebra struts fusion device in the structural schematic diagram of closed state；

Fig. 2 is the utility model embodiment, and vertebra struts fusion device in the structural schematic diagram of softened state；

Fig. 3 is that vertebra shown in Fig. 1 struts fusion device in the structural schematic diagram at another visual angle；

Fig. 4 is that vertebra shown in Fig. 3 struts fusion device along the cross-sectional view in the direction A-A；

Fig. 5 is the schematic diagram that vertebra shown in Fig. 2 struts collet in fusion device；

Fig. 6 is that vertebra shown in Fig. 3 struts the schematic diagram of the first fusion body or the second fusion body in fusion device.

Icon: 1- first merges body；11- grows window；12- card slot；13- sliding part；2- second merges body；3- power Mechanism；4- collet；40- guide groove；The end 41-；The first wedge block of 42-；The second wedge block of 43-；The clamping portion 44-；45- first is oblique Face；The second inclined-plane 46-；47- sliding slot；48- third inclined-plane；The 4th inclined-plane 49-；5- screw rod；6- sliding equipment；7- fixing piece；8- Elastic spacing mechanism；81- bullet hooks；9- position reflector.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Embodiment 1:

Referring to shown in Fig. 1 to Fig. 6, fusion body includes that the first fusion body 1, second merges body 2 and power mechanism 3, The first fusion body 1 merges body 2 with described second and cooperates, and the two can be in opposite directions or backwards to moving, in button Conjunction state is softened certain altitude, and power mechanism 3 is able to drive the first fusion body 1 and merges the movement of body 2 with second.

In embodiment, power mechanism 3 includes screw rod 5 and two collets 4, one end spiral shell of one of collet 4 and screw rod 5 Line cooperation, another collet 4 are set on the other end of screw rod 5, through-hole are offered on collet 4, screw rod 5 is passed through or is inserted into Through-hole.First fusion body 1 merges body 2 between two collets 4 with second, two clamping of collet 4 first fusion bodies 1 Body 2 is merged with second, screw rod 5 is located at the first fusion body 1 and merges between body 2 with second.

In embodiment, the power mechanism 3 further comprises fixing piece 7, the insertion of fixing piece 7 and 5 spiral shell of screw rod The collet 4 of line cooperation, the fixing piece 7 compresses the end face of the screw rod 5, to limit the movement of the screw rod 5.

In embodiment, both ends collet 4 is mutually drawn close or separate along axial direction, and collet 4 acts on first by inclined-plane simultaneously It merges body 1 and merges body 2 with second, so that the first fusion body 1 merges body 2 with second and can move simultaneously, using oblique Face structure becomes and is axially moved as radial motion or banking motion, is conveniently adjusted height between the two.

Specifically, the collet 4 includes end 41 and is respectively arranged on the inclined wedges of 41 front and rear sides of end, it is described tiltedly Wedge includes the first wedge block 42 and the second wedge block 43 stacked gradually from outside to inside, and therebetween formed sliding slot 47 and/or Inclined-plane, for merging body 1 and/or the second fusion cooperation of body 2 with described first.

In embodiment, the clamping portion 44 has the first inclined-plane 45 and the second inclined-plane 46, the first inclined-plane 45 and the second inclined-plane 46 forces enable to the first, second fusion body 2 to slide to direction or separate direction is drawn close.Second wedge block 43 has There is third inclined-plane 48, the third inclined-plane 48 forms sliding slot 47 with the clamping portion 44.Second wedge block 43 is also oblique with the 4th Face 49, third inclined-plane 48 and the 4th inclined-plane 49 are crossed to form the second rib, and the first inclined-plane 45 and the second inclined-plane 46 are crossed to form first Rib, the first rib are staggered up and down with the second rib.Preferably, first fusion body 1/ second merge body 2 both ends respectively with inclined wedge Clamping portion 44 cooperate, and the clamping portion 44 at both ends is arranged in a staggered manner, and is located at front side and rear side, inclined wedge is to the first fusion body More evenly, the first fusion body 1/ second merges body 2 more smoothly to be moved the power that 1/ second fusion body 2 applies.

In embodiment, the first fusion body 1 and the second fusion body 2 are respectively provided with the sliding part cooperated with guide groove 40 13.Sliding part 13 or other positions have the inclined-plane cooperated with collet 4 described in both ends, and the first fusion body 1 and institute Stating the second fusion body 2, at least one inclined-plane is equipped with sliding equipment 6 respectively.

Preferably, the inclined-plane at least with the cooperation of the first inclined-plane 45 is equipped with sliding equipment 6, by the way that 6 energy of sliding equipment is arranged The enough frictional force reduced with collet 4, it is more smooth to strut the process that the first fusion body 1 merges body 2 with second.Preferably, sliding Motivation structure 6 includes ball, elastic component and pedestal, and institute's ball is connect by elastic component with pedestal, and several installations are offered on pedestal The one end in hole, elastic component is fixed in mounting hole.Sliding equipment 6 is equipped with removable ball towards inclined-plane, and ball is using pottery Porcelain is made, and has self-lubricating effect.

In embodiment, the first fusion body 1 merges the opposite side of body 1 with described first and is equipped with and can mutually sting The concaveconvex structure of conjunction, the two are drawn close in the closure state, then the concaveconvex structure of the two matches.First fusion body 1/ second Growth window 11 is offered on fusion body 2, convenient for the fusion of bone factor.Preferably, the first fusion body 1/ second merges body 2 On offer card slot 12, card slot 12 and the second wedge block 43 cooperate, and alter before and after avoiding the first fusion body 1/ second from merging body 2 It is dynamic.

In embodiment, the screw rod 5 is equipped with elastic spacing mechanism 8, the collet 4 being threadedly engaged with the screw rod 5 Lateral wall be equipped with limiting slot, the elastic spacing mechanism 8 cooperates with the limiting slot, and the cooperation of the two limits screw rod 5 Telescopic extensions, and then define the first fusion body 1 with second merge body 2 strut range, avoid the first fusion body 1/ second fusion body 2 is detached from the cooperation with power mechanism 3.Preferably, elastic spacing mechanism 8 is set on the screw rod 5, and There are two bullets to hook 81 for tool, and two bullets hook 81 and cooperate respectively with limiting slot.

Embodiment 2:

It further comprise control system and actuator, power mechanism 3 using the fusion device in embodiment 1 in embodiment 2 It is equipped with position reflector 9, such as infrared position reflector.Control system receives the feedback signal of position reflector 9, control system System is connect with actuator, and actuator is used to drive the movement of power mechanism 3.Control system carries out various according to its feedback signal Control instructs for example, control system is issued to actuator, and actuator drives power mechanism 3 to move, so that power mechanism 3 drives First fusion body 1 merges body 2 with second and mutually struts or be closed.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (10)

1. vertebra struts fusion device, including the first fusion body and the second fusion body, the first fusion body and described the Two fusion bodies cooperate, which is characterized in that the first fusion body, which merges to be equipped between body with described second, to be driven The power mechanism of the two sliding is driven, and the both ends of the surface of the two cooperate with the collet at the power mechanism both ends respectively, both ends institute It states collet mutually to draw close along axial direction or separate, passes through inclined-plane and act on the first fusion body simultaneously and merged with described second Body is to drive the two opposite or backwards to movement；The first fusion body and the second fusion body and the engine Sliding equipment, inclined-plane of the sliding equipment towards the power mechanism are equipped at least one cooperation of structure.

2. vertebra according to claim 1 struts fusion device, which is characterized in that the power mechanism includes screw rod, described Screw rod is threadedly engaged with one of them described collet, and another collet is set in one end of the screw rod.

3. vertebra according to claim 2 struts fusion device, which is characterized in that the power mechanism further comprises fixing Part, the collet of the fixing piece insertion and screw flight cooperation, the fixing piece compress the end face of the screw rod, use To limit the movement of the screw rod.

4. vertebra according to claim 3 struts fusion device, which is characterized in that the collet includes end and sets respectively Inclined wedge in the end front and rear sides, the inclined wedge include the first wedge block stacked gradually from outside to inside and the second wedge shape Block, and form sliding slot and/or inclined-plane therebetween, for merge body with described first and/or described second merging body and match It closes.

5. vertebra according to claim 4 struts fusion device, which is characterized in that first wedge block extends internally card release Socket part, the clamping portion have the first inclined-plane and the second inclined-plane, and second wedge block has third inclined-plane, the third inclined-plane Sliding slot is formed with the clamping portion.

6. vertebra according to claim 4 struts fusion device, which is characterized in that the first fusion body/second fusion The both ends of body cooperate with the clamping portion of the inclined wedge respectively, and the clamping portion at both ends is located at front side and rear side.

7. vertebra according to claim 4 struts fusion device, which is characterized in that the first fusion body and described second Fusion body all has the inclined-plane with the cooperation of collet described in both ends.

8. vertebra according to claim 7 struts fusion device, which is characterized in that the first fusion body and described second The fusion opposite side of body is equipped with the concaveconvex structure that can be mutually twisted.

9. vertebra according to claim 2 struts fusion device, which is characterized in that the screw rod is equipped with elastic spacing machine Structure is equipped with limiting slot, the elastic spacing mechanism and the limit with the lateral wall of the collet of screw flight cooperation Position slot cooperation.

10. vertebra auto-navigation struts system, which is characterized in that using fusion device described in claim 1 to 9 any one, into One step includes control system and actuator, and the power mechanism is equipped with position reflector, the control system and the drive Moving part connection, the actuator drive the power mechanism movement, so that the power mechanism drives the first fusion body Body is merged with described second mutually to strut or be closed.