CN206822691U - sternum fixer - Google Patents
sternum fixer Download PDFInfo
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- CN206822691U CN206822691U CN201720026293.XU CN201720026293U CN206822691U CN 206822691 U CN206822691 U CN 206822691U CN 201720026293 U CN201720026293 U CN 201720026293U CN 206822691 U CN206822691 U CN 206822691U
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- wing
- lower sheeting
- upper tabletting
- dovetail
- breastbone
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Abstract
The utility model proposes a kind of sternum fixer, including upper tabletting, lower sheeting and connector, the connector includes the first connector and the second connector；Holding claw is provided with the opposite proximal end of the upper tabletting and lower sheeting；It relative can slide between the upper tabletting and lower sheeting, to adjust the spacing between the holding claw of the upper tabletting and the holding claw of lower sheeting, and be connected by first connector；Also each it is provided with the upper tabletting and lower sheeting relative to the symmetrical wing of left and right directions；When the upper tabletting and lower sheeting slide relatively, respective wing is driven accordingly to move, so as to adjust the spacing between the wing of upper tabletting and the wing of lower sheeting；Perforation is offered on each wing, second connector passes through the perforation, and wing is fixed on breastbone.When sternum fixer of the present utility model fixes breastbone, it is ensured that stress is more uniformly distributed, and fixed effect is more preferable.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of sternum fixer.
Background technology
At present, in the treatment of open chest surgery is needed, first whole sternal incisions, closed all in treatment end, then chest
Fixed with wire binding using above and below whole breastbone, the breastbone of left and right incision is used with the suture needle for steel wire of ining succession by operative doctor
Steel wire take out tightly, make incision breastbone get up after to being fixed.
However, as breastbone internal fixation system is updated, fixed not in traditional stainless steel steel wire bundle and Kirschner wire
Only time-consuming for its operation, and operation is relative complex, and hand intraoperative hemorrhage is more, histocompatbility is bad, fixation is not sufficiently stable, and easily makes
There are the drawbacks such as loosening, displacement, fracture into fracture end, and then progressively replaced by sternum fixer.
As shown in figure 1, many deficiencies and shortcoming be present in sternum fixer currently used in the market：1) postoperative repair needs
When opening chest again, if fixator can not quickly be removed, discharged, the life security of patient can be threatened when serious；2) breastbone is fixed
After device fixes breastbone, lateral pull can be only born, fixed effect is poor；3) the defects of inconvenient for operation in art also be present.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of sternum fixer, when fixing breastbone, it is ensured that stress is more
Uniformly, fixed effect is more preferable.
To solve the above problems, the present invention proposes a kind of sternum fixer, including upper tabletting, lower sheeting and connector, institute
Stating connector includes the first connector and the second connector；It is provided with and embraces on the opposite proximal end of the upper tabletting and lower sheeting
Pawl；Relative it can be slided between the upper tabletting and lower sheeting, to adjust between the holding claw of the upper tabletting and the holding claw of lower sheeting
Spacing, and be connected by first connector；Also each it is provided with the upper tabletting and lower sheeting relative
In the symmetrical wing of left and right directions；When the upper tabletting and lower sheeting slide relatively, respective wing is driven accordingly to move, so as to
Spacing in adjustment between the wing of tabletting and the wing of lower sheeting；Perforation, second connector are offered on each wing
Through the perforation, wing is fixed on breastbone.
According to one embodiment of present invention, during spacing adjustment, perforation on the wing of the upper tabletting and under
Perforation on tabletting wing is symmetrically distributed in breastbone butted line both sides all the time.
According to one embodiment of present invention, be centrosymmetric distribution between the perforation of each wing.
According to one embodiment of present invention, the wing of the upper tabletting and the junction of upper tabletting and the wing of lower sheeting
The junction of the wing and lower sheeting is equipped with wing bending groove, to adjust the shape of wing when holding claw holds breastbone tightly, it is more pasted
Synthorax bone；Each wing bending groove is arranged at wing towards on the side of breastbone, and groove is to vertical with left and right directions.
According to one embodiment of present invention, the upper tabletting is provided with dovetail chute, and the lower sheeting is provided with dovetail
Draw runner, the dovetail draw runner are inserted into the dovetail chute and slided, relatively sliding between the upper tabletting and lower sheeting to realize
It is dynamic.
According to one embodiment of present invention, the groove bottom of the dovetail chute is provided with ball point sliding groove, the ball point
It is provided with disjunctor ball in sliding groove to cheat, the company of being correspondingly provided with the surface that the dovetail draw runner contacts with the groove bottom of the dovetail chute
Body ball point；The disjunctor ball point can slide in the ball point sliding groove, and be brought into close contact the disjunctor ball hole after positioning.
According to one embodiment of present invention, the groove bottom of the dovetail chute and the dovetail draw runner and the dovetail
The surface of the groove bottom contact of chute is in the ramp shaped to cooperate.
According to one embodiment of present invention, the length of the dovetail draw runner is longer than the length of the dovetail chute, so that
When the dovetail draw runner is inserted into the dovetail chute and is inserted into bottom, the dovetail draw runner still it is surplus have not with the upper tabletting
Overlapping position.
According to one embodiment of present invention, the dovetail chute is provided with least two connecting holes, the dovetail draw runner
Elongated hole is provided with, inner edge is provided with the inside of the elongated hole；First connector is against institute through the elongated hole, a connecting hole
State be connected on the inner edge upper tabletting and lower sheeting.
According to one embodiment of present invention, screwed hole is additionally provided with the non-elongated hole position of the dovetail draw runner, for even
Screw element is connect, to strengthen connection.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
The breastbone of cracking effectively can be carried out obvolvent by the design of holding claw, and the contact area of holding claw and breastbone is far longer than
The contact area of steel wire and breastbone, tied silk can be so overcome to tie up the problem of stress concentration of cracking breastbone, so as to avoid to chest
Bone causes the risk of secondary damage, can effectively prevent tied silk from tying up breastbone dissection to caused by breastbone, especially to old
Year people and osteoporosis person's curative effect are obvious；Freely relative it can be slided between upper tabletting and lower sheeting, so as to which holding claw spacing can
To realize regulation, this design can be effectively adapted to the breastbone size of Different Individual；
Wing is fixed on breastbone through perforation by the second connector so that fixation is more solid and reliable, has established
Whole symmetrical mechanical structure, there is wing in upper tabletting, lower sheeting, when being adjusted according to different in width breastbone, upper tabletting, push
Perforation on piece wing, which can be adjusted to, is symmetrically distributed in breastbone butted line both sides, thus be avoided that screw screw in breastbone after due to
The asymmetric unbalance stress so as to caused by, ensure that stress is more uniformly distributed when fixing, and greatly reduce screw and squeeze into position
Too close to butted line, and screw is caused to be connected risk loosely with bone；
Due to being equipped with perforation on upper tabletting, lower sheeting wing, be centrosymmetric distribution, is formed with the connected mode of breastbone
Optimal mechanics effect, after screw is perforated by wing screws in breastbone, establish bone → nail → plate → nail → bone and be integrated
Mechanical model, the fixed form formed can make breastbone can be effectively right when by lateral tensile force and longitudinal stretching force
When obvolvent, especially chest expanding exercise is fixed to the comprehensive mechanical function of division breastbone application in breastbone, art can be effectively prevented
Metasternum such as is difficult to heal the adverse events；
Because upper tabletting and lower sheeting coordinate using dovetail chute, the structure of dovetail draw runner, and the disjunctor ball of upper tabletting
The disjunctor ball point of hole and lower sheeting coordinates, and disjunctor design is more convenient for sliding, lay and positioning in art, while during screw lock, even
Body ball point is fitted close with disjunctor ball hole, so as to increase horizontal tensile capacity after product fixation breastbone；
Either holding claw spacing minimum state, or holding claw spacing maximum rating, dovetail draw runner still it is surplus have not with upper pressure
The overlapping position of piece, that is, exist middle part most thin structure, it is necessary to promptly discharge when can utilize plate nippers by this most
Thin section position is cut, and progress quickly opens chest；Also so that sternum fixer has a variety of quick release manners, you can by discharging each company
Fitting, it can also be discharged by shear.
Brief description of the drawings
Fig. 1 uses schematic diagram for existing sternum fixer；
Fig. 2 is the overlooking the structure diagram of the sternum fixer of one embodiment of the invention；
Fig. 3 is the positive structure diagram of the sternum fixer of one embodiment of the invention；
Fig. 4 is the part-structure schematic diagram of the upper tabletting of one embodiment of the invention；
Fig. 5 is the right flank structural representation of the upper tabletting of one embodiment of the invention；
Fig. 6 is a diagrammatic cross-section of the upper tabletting of one embodiment of the invention；
Fig. 7 is the overlooking the structure diagram of the lower sheeting of one embodiment of the invention；
Fig. 8 is the positive structure schematic of the lower sheeting of one embodiment of the invention；
Fig. 9 is the schematic top plan view of the holding claw spacing minimum state of the sternum fixer of one embodiment of the invention；
Figure 10 is the front schematic view of the holding claw spacing minimum state of the sternum fixer of one embodiment of the invention；
Figure 11 is the schematic top plan view of the holding claw spacing maximum rating of the sternum fixer of one embodiment of the invention；
Figure 12 is the front schematic view of the holding claw spacing maximum rating of the sternum fixer of one embodiment of the invention；
Figure 13 uses schematic diagram for the sternum fixer of one embodiment of the invention.
Label declaration in figure：
The upper tablettings of 1-, 2- lower sheetings, 3,4- screws, 11,21- holding claws, 12,22- wings, 13- wing bending grooves, 14- swallows
Tail chute, 24- dovetail draw runners, 121,221- perforation, 141- connecting holes, 142- balls point sliding groove, 143- disjunctors ball hole, 241- length
Hole, 242- screwed holes, 243- disjunctors ball point.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.
Many details are elaborated in the following description in order to fully understand the present invention.But the present invention can be with
Much it is different from other manner described here to implement, those skilled in the art can be in the situation without prejudice to intension of the present invention
Under do similar popularization, therefore the present invention is not limited to the specific embodiments disclosed below.
Referring to Fig. 2-3, in one embodiment, sternum fixer includes upper tabletting 1, lower sheeting 2 and connector.Connector
Including the first connector and the second connector.Connector for example can be screw, but not limited to this, and other can realize that connection is solid
Fixed part can be used as connector.The left and right of the present invention is relative, can mutually be exchanged, for example, upper tabletting 1 and its
On feature can be with the mutual exchange of lower sheeting 2.
Holding claw is provided with the opposite proximal end of upper tabletting 1 and lower sheeting 2, during use, the holding claw 11 of upper tabletting 1
Embraced respectively at left and right sides of breastbone with the holding claw 21 of lower sheeting 2.Opposite proximal end refers to the remote lower sheeting 2 of tabletting 1
One end, and one end of remote upper tabletting 1 of lower sheeting 2, in particular to the left end of upper tabletting 1, the right-hand member of lower sheeting 2, holding claw can
To be connected in each tabletting after be separately made, or can also be integrally formed to be made with tabletting, specifically not as limit
System.Relative it can be slided between upper tabletting 1 and lower sheeting 2, to adjust between the holding claw 11 of upper tabletting 1 and the holding claw 21 of lower sheeting 2
Spacing so that for various sizes of breastbone, the holding claw 11 of upper tabletting 1 and the holding claw 21 of lower sheeting 2 can be mutual
Coordinate and hold breastbone tightly, the overlapping part of upper tabletting 1 and lower sheeting 2 is connected to by the first connector, so that by upper tabletting 1 with
Tabletting 2 is fixed up, and also fixes holding claw 11,21.First connector is illustrated in figure 3 screw 3, through upper tabletting 1 and pushes
The overlapping part connection of piece 2.
The breastbone of cracking effectively can be carried out obvolvent, holding claw 11,21 and the contact surface of breastbone by the design of holding claw 11,21
Product is far longer than the contact area of steel wire and breastbone, can so overcome tied silk to tie up the problem of stress concentration of cracking breastbone, from
And avoid causing breastbone the risk of secondary damage, it can effectively prevent that tied silk from tying up breastbone dissection to caused by breastbone,
It is especially obvious to the elderly and osteoporosis person's curative effect；Freely relative it can be slided between upper tabletting 1 and lower sheeting 2, from
And the spacing between holding claw 11,21 can realize regulation, this design can be effectively adapted to the breastbone size of Different Individual.
In the present embodiment, be also each provided with wing on upper tabletting 1 and lower sheeting 2, the wing 12 of upper tabletting 1 relative to
Left and right directions is symmetrical, and the wing 22 of lower sheeting 2 is symmetrical relative to left and right directions, and left and right directions refers to tabletting 1 and lower sheeting 2
Length direction.Because wing is connected in tabletting, upper tabletting 1 and lower sheeting 2 in relative slide, drive respective wing 12,
22 is corresponding mobile, thus the spacing between the wing 12 of upper tabletting 1 and the wing 22 of lower sheeting 2 is also adjusted.Each wing
12nd, perforation 121,221 is offered on 22, wing 12,22 is fixed to breastbone by the second connector through perforation 121,221
On.Each second connector is illustrated in figure 3 screw 4, the corresponding perforation connection of a screw 4.Perforation can be provided with matching screw 4
Screw thread.
Wing 12,22 is fixed on breastbone through perforation 121,221 by the second connector so that fixation is more firm
Reliably, complete symmetrical mechanical structure is established, has wing in upper tabletting 1, lower sheeting 2, is adjusted according to different in width breastbone
When, upper tabletting 1, lower sheeting 2 wing 12,22 on perforation 121,221 can be adjusted to and be symmetrically distributed in breastbone butted line
Both sides, it thus is avoided that screw is screwed in after breastbone due to the asymmetric unbalance stress so as to caused by, ensures stress more when fixing
Uniformly, and greatly reduce screw and squeeze into position too close to butted line, and cause screw to be connected risk loosely with breastbone.
In one embodiment, the position of the wing of each tabletting and the position of the perforation on wing are rationally set so that
During spacing adjustment, the perforation 221 in perforation 121 and the wing 22 of lower sheeting 2 on the wing 12 of upper tabletting 1 is symmetrical all the time
It is distributed in breastbone butted line both sides.Preferably, the distribution that is centrosymmetric between the perforation of each wing.
Due to upper tabletting 1, lower sheeting 2 wing 12,22 on be equipped with perforation 121,221, and the distribution that is centrosymmetric, with
The connected mode of breastbone forms optimal mechanical structure, after screw is perforated by wing screws in breastbone, establishes bone → nail
The mechanical model that → plate → nail → bone is integrated, the fixed form formed can make breastbone by lateral tensile force and longitudinal direction
Obvolvent, especially chest expanding exercise can effectively be fixed during tensile force to breastbone comprehensive mechanical function is applied to division breastbone
When, it can effectively prevent that postoperative breastbone such as is difficult to heal the adverse events.
In one embodiment, the junction of the wing 12 of upper tabletting 1 and upper tabletting 1 and the wing 22 of lower sheeting 2 with
The junction of lower sheeting 2 is equipped with wing bending groove, to adjust the shape of wing when holding claw holds breastbone tightly, it is more bonded chest
Bone.Upper tabletting 1, the junction of the wing 12 of upper tabletting 1 and the upper body of tabletting 1 are provided with wing bending groove 13 as shown in Figure 5,
Also can be such on lower sheeting.
In general, tabletting can be made up with wing of steel plate, thus in the case where applying larger external force, can adjust
Angle between whole wing and tabletting, so as to have adjusted the relative attitude between several wings, thus in use can be with
Toward the direction adjustment wing of fitting breastbone.Upper tabletting 1, lower sheeting 2 are provided with wing bending groove on wing, during to perform the operation pair
Steel plate is moulding, thus it is more docile when being arranged on breastbone, breastbone anatomical structure is more conformed to, to ensure that the postoperative body-sensing of patient is imitated
Fruit is good, and the incisura of implant is low.
Preferably, each wing bending groove is arranged at wing towards on the side of breastbone, and groove is to vertical with left and right directions.
Referring to Fig. 4 to Fig. 8, in one embodiment, upper tabletting 1 is provided with dovetail chute 14, and lower sheeting 2 is provided with swallow
Tail draw runner 24, dovetail draw runner 24 are inserted into dovetail chute 14 and slided, upper relatively sliding between tabletting 1 and lower sheeting 2 to realize
It is dynamic.Dovetail draw runner 24 and the cooperation of dovetail chute 14 are slided so that the spacing regulation side in surgical procedure between holding claw 11,21
Just.There is overlapped position in dovetail draw runner 24 and dovetail chute 14 position that is slidably connected, pass through first in the overlapping part
Connector connects.
Referring to Fig. 5 and Fig. 6, in one embodiment, the groove bottom of dovetail chute 14 is provided with ball point sliding groove 142, ball
Disjunctor ball hole 143 is provided with point sliding groove 142, is corresponded on the surface that dovetail draw runner 24 contacts with the groove bottom of dovetail chute 14
Provided with disjunctor ball point 243；Disjunctor ball point 243 can slide in ball point sliding groove 142, and be brought into close contact disjunctor ball after positioning
Hole 143.
Because upper tabletting 1 and lower sheeting 2 coordinate using dovetail chute 14, the structure of dovetail draw runner 24, and upper tabletting 1
The disjunctor ball point 243 of disjunctor ball hole 143 and lower sheeting 2 coordinates, and disjunctor design is more convenient for sliding, lay and positioning in art, simultaneously
During screw lock, disjunctor ball point 243 is fitted close with disjunctor ball hole 143, so as to increase horizontal tension energy after product fixation breastbone
Power.It is appreciated that the disjunctor ball hole 143 of upper tabletting 1 and the disjunctor ball point 243 of lower sheeting 2 can be hemispheric.
The disjunctor design and mutual cooperation of ball hole ball point so that can increase when coordinating with independent hemisphere hole with ball point
The characteristics of upper tabletting 1,2 bonding strength of lower sheeting, while the smoothness that tabletting 1 is slided on lower sheeting 2 is in turn ensure that, can
To facilitate the spacing in art between holding claw to adjust.
Preferably, the surface that the groove bottom of dovetail chute 14 and dovetail draw runner 24 contact with the groove bottom of dovetail chute 14
In the ramp shaped of mutual cooperation, slope is towards left bank or towards right bank, so that lower sheeting 2 smoothly slides in upper tabletting 1
Regulation.
In one embodiment, the length of dovetail draw runner 24 is longer than the length of dovetail chute 14, so that dovetail draw runner 24 is inserted
Enter in dovetail chute 14 and when being inserted into bottom, dovetail draw runner 24 is still surplus position not overlapping with upper tabletting 1, in other words, swallow
Tail draw runner 24 inserts from the right-hand member of dovetail chute 14, when being inserted into the left end of dovetail chute 14 always, dovetail draw runner 24 all the time be present
The position being not inserted into, it is not overlapping between the position and upper tabletting 1, thus be the middle part of upper tabletting 1 and lower sheeting 2 most
Thin structure, it is easier to cut from this most at thin structure.
Referring to Fig. 9-12, either holding claw spacing minimum state, or holding claw spacing maximum rating, dovetail draw runner 24 is still
It is surplus to have position not overlapping with upper tabletting 1, that is, the most thin structure of middle part be present, it is necessary to can be utilized when promptly discharging
Plate nippers cuts the most thin section position, and progress quickly opens chest.If upper tabletting 1 and lower sheeting 2 overlap after installing,
It is unfavorable for quick release in art, the space of enough operations is not reserved for plate nippers.And dovetail draw runner 24 is still surplus in embodiment
There is position not overlapping with upper tabletting 1, solve the problem, be plate nippers slot milling, be easy to quick release, also cause breastbone
Fixator has a variety of quick release manners, you can by discharging each connector, can also be discharged by shear.
Referring to Fig. 4, Fig. 7 and Fig. 9 to Figure 12, in one embodiment, dovetail chute 14 is provided with least two connecting holes
141, dovetail draw runner 24 is provided with elongated hole 241, and the inner side of elongated hole 241 is provided with inner edge (unmarked in figure)；First connector passes through length
Hole 241, a connecting hole 141, and be connected upper tabletting 1 and lower sheeting 2 are against on inner edge.The design of elongated hole 241 and the first company
Fitting and the mating connection of different connecting holes 141, it can be ensured that fixed after upper tabletting 1, the adjustment of the holding claw spacing of lower sheeting 2.It is long
Hole 241 for example can be waist-shaped hole.
In one embodiment, screwed hole 242 is additionally provided with the non-elongated hole position of dovetail draw runner 24, for connection screw thread
Part, screw element equally can be screws, can strengthen the connection of sternum fixer and breastbone.
With reference to Fig. 1-13, first according to breastbone anatomical structure during operation, the wing 12 of tabletting 1 and lower sheeting 2 in bending
Wing 22, it is ensured that sternum fixer and breastbone keep good and be bonded effect.Centered on sternal incisions line, upper tabletting 1 is with
Tabletting 2 is arranged in the both sides of sternal incisions line (butted line), the dovetail chute of the upper tabletting 1 of the insertion of dovetail draw runner 24 of lower sheeting 2
In 14, slided by operation tool by the dovetail draw runner 24 of lower sheeting 2 in the upper dovetail chute 14 of tabletting 1, so as to adjust holding claw 11,
Spacing between 21, upper tabletting 1, the holding claw 11,21 of lower sheeting 2 embrace breastbone outer, after by the breastbone jam-packed of division, by spiral shell
Nail 3 is screwed in breastbone by the elongated hole 241 of lower sheeting 2 through the upper connecting hole 141 of tabletting 1, upper tabletting 1, the holding claw of lower sheeting 2 after locking
11st, 21 spacing no longer change, and the breastbone of whole sternum fixer and division is connected to become an entirety, in order to prevent dividing
The changing of the relative positions of breastbone longitudinal direction locked, it is necessary to screw in screw 4 in perforation 121,221 on upper tabletting 1, the wing 12,22 of lower sheeting 2,
The ailhead part of screw 4 and 121,221 lock fits of perforation, nail body are screwed in breastbone.After breastbone merges, if there is urgent feelings
When condition needs second operation, in order to allow the breastbone of merging to separate rapidly, it can outward winding and be locked on the elongated hole 241 of lower sheeting 2
Screw 3, separated using operation tool by breastbone is divided, so as to be overhauled.In order to more quickly by the breastbone of division
Separate, plate nippers can also be utilized, the part overlapping with upper tabletting 1 is not cut by the dovetail draw runner 24 of lower sheeting 2, so as to quick real
Existing breastbone separates again.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting claim, any this area
Technical staff without departing from the spirit and scope of the present invention, can make possible variation and modification, therefore the present invention
Protection domain should be defined by the scope that the claims in the present invention are defined.
Claims (10)
1. a kind of sternum fixer, it is characterised in that including upper tabletting, lower sheeting and connector, the connector includes first
Connector and the second connector；Holding claw is provided with the opposite proximal end of the upper tabletting and lower sheeting；The upper tabletting is with
Relative it can be slided between tabletting, to adjust the spacing between the holding claw of the upper tabletting and the holding claw of lower sheeting, and by described
First connector is connected；Also each it is provided with the upper tabletting and lower sheeting relative to the symmetrical wing of left and right directions
The wing；The upper tabletting and lower sheeting are relative when sliding, and drive respective wing accordingly to move, so as to adjust the wing of upper tabletting and
Spacing between the wing of lower sheeting；Perforation is offered on each wing, second connector passes through the perforation, by wing
The wing is fixed on breastbone.
2. sternum fixer as claimed in claim 1, it is characterised in that during spacing adjustment, the wing of the upper tabletting
The perforation in perforation and lower sheeting wing on the wing is symmetrically distributed in breastbone butted line both sides all the time.
3. sternum fixer as claimed in claim 2, it is characterised in that be centrosymmetric distribution between the perforation of each wing.
4. sternum fixer as claimed in claim 1, it is characterised in that the wing of the upper tabletting and the connection of upper tabletting
Place and the wing of lower sheeting and the junction of lower sheeting are equipped with wing bending groove, to adjust wing when holding claw holds breastbone tightly
Shape, it is more bonded breastbone；Each wing bending groove is arranged at wing towards on the side of breastbone, and groove to a left side
Right direction is vertical.
5. sternum fixer as claimed in claim 1, it is characterised in that the upper tabletting is provided with dovetail chute, under described
Tabletting is provided with dovetail draw runner, and the dovetail draw runner is inserted into the dovetail chute and slided, to realize the upper tabletting and push
Relative slip between piece.
6. sternum fixer as claimed in claim 5, it is characterised in that the groove bottom of the dovetail chute is slided provided with ball point
Dynamic groove, the interior disjunctor ball that is provided with of the ball point sliding groove are cheated, the table that the dovetail draw runner contacts with the groove bottom of the dovetail chute
Disjunctor ball point is correspondingly provided with face；The disjunctor ball point can slide in the ball point sliding groove, and be brought into close contact after positioning
The disjunctor ball hole.
7. sternum fixer as claimed in claim 6, it is characterised in that the groove bottom of the dovetail chute and the dovetail
The surface that draw runner contacts with the groove bottom of the dovetail chute is in the ramp shaped to cooperate.
8. sternum fixer as claimed in claim 5, it is characterised in that the length of the dovetail draw runner is longer than the dovetail and slided
The length of groove, during so that the dovetail draw runner being inserted into the dovetail chute and is inserted into bottom, the dovetail draw runner is still surplus to be had
The not position overlapping with the upper tabletting.
9. sternum fixer as claimed in claim 5, it is characterised in that the dovetail chute is provided with least two connections
Hole, the dovetail draw runner are provided with elongated hole, inner edge are provided with the inside of the elongated hole；First connector passes through the elongated hole, one
Connecting hole, and the be connected upper tabletting and lower sheeting are against on the inner edge.
10. sternum fixer as claimed in claim 9, it is characterised in that also set on the non-elongated hole position of the dovetail draw runner
There is screwed hole, for connection screw thread part, to strengthen connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026293.XU CN206822691U (en) | 2017-01-10 | 2017-01-10 | sternum fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720026293.XU CN206822691U (en) | 2017-01-10 | 2017-01-10 | sternum fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206822691U true CN206822691U (en) | 2018-01-02 |
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|---|---|---|---|
| CN201720026293.XU Active CN206822691U (en) | 2017-01-10 | 2017-01-10 | sternum fixer |
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| CN (1) | CN206822691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106798590A (en) * | 2017-01-10 | 2017-06-06 | 上海凯利泰医疗科技股份有限公司 | Sternum fixer |
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2017
- 2017-01-10 CN CN201720026293.XU patent/CN206822691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106798590A (en) * | 2017-01-10 | 2017-06-06 | 上海凯利泰医疗科技股份有限公司 | Sternum fixer |
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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. |
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