CN106798590A - Sternum fixer - Google Patents
Sternum fixer Download PDFInfo
- Publication number
- CN106798590A CN106798590A CN201710016988.4A CN201710016988A CN106798590A CN 106798590 A CN106798590 A CN 106798590A CN 201710016988 A CN201710016988 A CN 201710016988A CN 106798590 A CN106798590 A CN 106798590A
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- China
- Prior art keywords
- wing
- compressing tablet
- lower sheeting
- upper compressing
- dovetail
- Prior art date
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- 210000001562 sternum Anatomy 0.000 title claims abstract description 112
- 210000000078 claw Anatomy 0.000 claims abstract description 41
- 238000005452 bending Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003826 tablet Substances 0.000 description 88
- 210000000038 chest Anatomy 0.000 description 9
- 210000000988 bone and bone Anatomy 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 241000397426 Centroberyx lineatus Species 0.000 description 2
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005226 mechanical processes and functions Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 241000167880 Hirundinidae Species 0.000 description 1
- 206010071229 Procedural haemorrhage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 210000002417 xiphoid bone Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00796—Breast surgery
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention proposes a kind of sternum fixer, including upper compressing tablet, lower sheeting and connector, and the connector includes the first connector and the second connector；Holding claw is provided with the opposite proximal end of the upper compressing tablet and lower sheeting；Relative can be slided between the upper compressing tablet and lower sheeting, with the spacing between the holding claw and the holding claw of lower sheeting that adjust the upper compressing tablet, and be connected by first connector；The wing symmetrical relative to left and right directions is also each provided with the upper compressing tablet and lower sheeting；When the upper compressing tablet and lower sheeting are slided relatively, respective wing is driven accordingly to move, so as to adjust the spacing between the wing of compressing tablet and the wing of lower sheeting；Perforation is offered on each wing, second connector passes through the perforation, wing is fixed on breastbone.When sternum fixer of the invention 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 for needing open chest surgery, first whole sternal incisions, in treatment end, then chest is closed all
Fixed with wire binding up and down using whole breastbone, the breastbone of left and right incision is used with the suture needle of steel wire of ining succession by operative doctor
Steel wire is taken out tightly, is fixed after the breastbone of incision is got up.
However, as breastbone internal fixation system is updated, being 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 not good, fixation is not sufficiently stable, and easily makes
There are a drawbacks such as loosening, displacement, fracture into fracture end, and then progressively replaced by sternum fixer.
Sternum fixer currently used in the market is as shown in figure 1, in the presence of many not enough and shortcomings：1) postoperative reparation 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) also there is the defect of inconvenient operation in art.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of sternum fixer, during fixed 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 compressing tablet, lower sheeting and connector, institute
Stating connector includes the first connector and the second connector；It is provided with the opposite proximal end of the upper compressing tablet and lower sheeting and is embraced
Pawl；Relative can be slided between the upper compressing tablet and lower sheeting, between the holding claw and the holding claw of lower sheeting that adjust the upper compressing tablet
Spacing, and be connected by first connector；Also each it is provided with the upper compressing tablet and lower sheeting relative
In the symmetrical wing of left and right directions；When the upper compressing tablet and lower sheeting are slided relatively, respective wing is driven accordingly to move, so that
Spacing in adjustment between the wing of compressing tablet 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 compressing tablet and under
Perforation on compressing tablet 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 compressing tablet and the junction of upper compressing tablet and the wing of lower sheeting
The wing is equipped with wing bending groove with the junction of lower sheeting, with the shape of the adjustment 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 compressing tablet is provided with dovetail chute, and the lower sheeting is provided with dovetail
Draw runner, the dovetail draw runner is inserted into the dovetail chute and slides, to realize sliding relatively between the upper compressing tablet and lower sheeting
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 spheroid
Disjunctor ball hole, the company of being correspondingly provided with the surface that the dovetail draw runner is contacted with the groove bottom of the dovetail chute are provided with sliding groove
Body ball point；The disjunctor ball point can be slided 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 for cooperating.
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 remain have not with the upper compressing tablet
The position of overlap.
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, the elongated hole inner side is provided with inner edge；First connector passes through the elongated hole, a connecting hole, and is against institute
State and be connected on inner edge the upper compressing tablet 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 to existing technology：
The breastbone of cracking effectively can be carried out obvolvent by the design of holding claw, and holding claw is far longer than with the contact area of breastbone
Steel wire and the contact area of breastbone, can so overcome tied silk 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 the dissection that breastbone is caused to breastbone, especially to old
Year people and osteoporosis person's curative effect are obvious；Freely relative can be slided between upper compressing tablet and lower sheeting, so that 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 set up
Whole symmetrical mechanical structure, has wing on upper compressing tablet, lower sheeting, when being adjusted according to different in width breastbone, upper compressing tablet, pushes
Perforation on piece wing can be adjusted to and be symmetrically distributed in breastbone butted line both sides, thus be avoided that screw screw in breastbone after due to
It is asymmetric so as to the unbalance stress for causing, ensure that stress is more uniformly distributed when fixed, and greatly reduce screw to squeeze into position
Too close to butted line, and cause screw that risk loosely is connected with bone；
Due to being equipped with perforation on upper compressing tablet, lower sheeting wing, be centrosymmetric distribution, and the connected mode with breastbone is formed
Optimal mechanics effect, after screw is perforated and screw in breastbone by wing, establishes bone → nail → plate → nail → bone and is integrated
Mechanical model, the fixed form for being formed can make the breastbone can be effectively right when by lateral tensile force and longitudinal stretching force
Breastbone is fixed obvolvent, when especially chest expanding exercise applies comprehensive mechanical function to division breastbone, can effectively prevent art
Metasternum such as is difficult to heal the adverse events；
Coordinate the disjunctor ball using dovetail chute, the structure of dovetail draw runner, and upper compressing tablet due to upper compressing tablet and lower sheeting
Hole coordinates with the disjunctor ball point of lower sheeting, and disjunctor design is more convenient for sliding, lay and positioning in art, while during screw lock, even
Body ball point is cheated with disjunctor ball and is fitted close, so that increasing product fixes horizontal tensile capacity after breastbone；
Either holding claw spacing minimum state, or holding claw spacing maximum rating, dovetail draw runner still remain have not with upper pressure
The position that piece is overlapped, that is, exist middle part most thin structure, it is necessary to during urgent release can using plate nippers by this most
Thin section position is cut, and is quickly opened chest；Also so that sternum fixer has various quick release manners, you can by discharging each company
Fitting, can also be discharged by shear.
Brief description of the drawings
Fig. 1 is the use schematic diagram of 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 compressing tablet of one embodiment of the invention；
Fig. 5 is the right flank structural representation of the upper compressing tablet of one embodiment of the invention；
Fig. 6 is a generalized section of the upper compressing tablet 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 is the use schematic diagram of the sternum fixer of one embodiment of the invention.
Label declaration in figure：
The upper compressing tablets 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- is long
Hole, 242- screwed holes, 243- disjunctors ball point.
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Elaborate many details in order to fully understand the present invention in the following description.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 by following public specific implementation.
Referring to Fig. 2-3, in one embodiment, sternum fixer includes upper compressing tablet 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 as connector.Left and right of the invention is relative, can mutually be exchanged, for example go up compressing tablet 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 compressing tablet 1 and lower sheeting 2, during use, the He of holding claw 11 of upper compressing tablet 1
The holding claw 21 of lower sheeting 2 is embraced from the left and right sides of breastbone respectively.Opposite proximal end refers to upper compressing tablet 1 away from the one of lower sheeting 2
End, and lower sheeting 2 the one end away from upper compressing tablet 1, specifically refer to the left end of compressing tablet 1, the right-hand member of lower sheeting 2, holding claw can be with
It is to be connected to after being separately made on each compressing tablet, or can also be integrally formed to be made with compressing tablet, specifically without limitation.
Relative can be slided between upper compressing tablet 1 and lower sheeting 2, between adjusting between the holding claw 11 of upper compressing tablet 1 and the holding claw 21 of lower sheeting 2
Away from so that for various sizes of breastbone, the holding claw 11 of upper compressing tablet 1 and the holding claw 21 of lower sheeting 2 can cooperate
Hold breastbone tightly, the overlapping part of upper compressing tablet 1 and lower sheeting 2 is connected to by the first connector, so as to by upper compressing tablet 1 and lower sheeting
2 are fixed up, and also fix holding claw 11,21.First connector is illustrated in figure 3 screw 3, through upper compressing tablet 1 and lower sheeting 2
Overlapping part is connected.
The breastbone of cracking can be carried out effectively the contact surface of obvolvent, holding claw 11,21 and breastbone for 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, can effectively prevent tied silk from tying up the dissection that breastbone is caused to breastbone,
It is especially obvious to the elderly and osteoporosis person's curative effect；Freely relative can be slided between upper compressing tablet 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 compressing tablet 1 and lower sheeting 2, the wing 12 of upper compressing tablet 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 upper compressing tablet 1 and lower sheeting 2
Length direction.Because wing is connected on compressing tablet, upper compressing tablet 1 and lower sheeting 2 in relative slip, drive respective wing 12,
22 is corresponding mobile, thus spacing between the wing 12 of upper compressing tablet 1 and the wing 22 of lower sheeting 2 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 perforation connection of the correspondence of a screw 4 one.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
It is reliable, complete symmetrical mechanical structure is set up, there is wing on upper compressing tablet 1, lower sheeting 2, adjusted according to different in width breastbone
When, the perforation 121,221 on upper compressing tablet 1, the wing 12,22 of lower sheeting 2 can be adjusted to and be symmetrically distributed in breastbone butted line
Both sides, thus are avoided that screw is screwed in after breastbone due to asymmetric so as to the unbalance stress for causing, and ensure stress more when fixed
Uniformly, and greatly reduce screw and squeeze into position too close to butted line, and cause screw that risk loosely is connected with breastbone.
In one embodiment, rationally set the wing of each compressing tablet position and wing on perforation position so that
During spacing adjustment, symmetrical all the time point of the perforation 221 in perforation 121 and the wing 22 of lower sheeting 2 on the wing 12 of upper compressing tablet 1
Cloth is in breastbone butted line both sides.Preferably, the distribution that is centrosymmetric between the perforation of each wing.
Due to being equipped with perforation 121,221, and the distribution that is centrosymmetric on upper compressing tablet 1, the wing 12,22 of lower sheeting 2, with
The connected mode of breastbone forms optimal mechanical structure, after screw is perforated and screw in breastbone by wing, establishes bone → nail
The mechanical model that → plate → nail → bone is integrated, the fixed form for being formed can make breastbone by lateral tensile force and longitudinal direction
Obvolvent, especially chest expanding exercise can be effectively fixed during tensile force to breastbone comprehensive mechanical function is applied to division breastbone
When, the adverse events such as can effectively prevent postoperative breastbone to be difficult to heal.
In one embodiment, the wing 12 of upper compressing tablet 1 with the wing 22 of the junction of upper compressing tablet 1 and lower sheeting 2 with
The junction of compressing tablet 2 is equipped with wing bending groove, with the shape of the adjustment wing when holding claw holds breastbone tightly, makes its chest of more fitting
Bone.Upper compressing tablet 1 as shown in Figure 5, wing 12 and the junction of the body of upper compressing tablet 1 of upper compressing tablet 1 are provided with wing bending groove 13, under
Also can be such on compressing tablet.
In general, compressing tablet can be made up with wing of steel plate, thus in the case where larger external force is applied, can adjust
Angle between whole wing and compressing tablet, so as to have adjusted the relative attitude between several wings, thus in use can be with
Toward the direction adjustment wing of laminating breastbone.Upper compressing tablet 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
Really good, 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 compressing tablet 1 is provided with dovetail chute 14, and lower sheeting 2 is provided with dovetail
Draw runner 24, dovetail draw runner 24 is inserted into dovetail chute 14 and slides, to realize the relative slip between upper compressing tablet 1 and lower sheeting 2.Swallow
Tail draw runner 24 is slided with the cooperation of dovetail chute 14 so that the spacing in surgical procedure between holding claw 11,21 is easy to adjust.Dovetail
There is overlapped position in draw runner 24 and dovetail chute 14 position that is slidably connected, in the overlapping part by the first connector company
Pick up and.
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 body sliding groove 142, dovetail draw runner 24 is corresponding with the surface that the groove bottom of dovetail chute 14 is contacted to be set
There is disjunctor ball point 243；Disjunctor ball point 243 can be slided in ball point sliding groove 142, and be brought into close contact disjunctor ball hole after positioning
143。
Because upper compressing tablet 1 and lower sheeting 2 coordinate using dovetail chute 14, the structure of dovetail draw runner 24, and upper compressing tablet 1
Disjunctor ball hole 143 coordinates with the disjunctor ball point 243 of lower sheeting 2, and disjunctor design is more convenient for sliding, lay and positioning in art, while
During screw lock, disjunctor ball point 243 is fitted close with disjunctor ball hole 143, so that increasing product fixes horizontal tension energy after breastbone
Power.It is appreciated that the disjunctor ball hole 143 of upper compressing tablet 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 ball point with independent hemisphere hole
The characteristics of upper compressing tablet 1,2 bonding strength of lower sheeting, while in turn ensure that the smoothness that compressing tablet 1 is slided on lower sheeting 2, can be with
The spacing in art between holding claw is facilitated to adjust.
Preferably, the surface that the groove bottom of dovetail chute 14 and dovetail draw runner 24 are contacted with the groove bottom of dovetail chute 14
In cooperate ramp shaped, slope towards left bank or towards right bank, so that lower sheeting 2 is smoothly slided on upper compressing tablet 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
When entering onto dovetail chute 14 and being inserted into bottom, dovetail draw runner 24 is still remained position not Chong Die with upper compressing tablet 1, in other words, swallow
Tail draw runner 24 is inserted from the right-hand member of dovetail chute 14, when being inserted into the left end of dovetail chute 14 always, there is dovetail draw runner 24 all the time
The position being not inserted into, it is not overlap between the position and upper compressing tablet 1, thus be upper compressing tablet 1 and lower sheeting 2 middle part it is most thin
Structure, it is easier to cut from this most 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 Chong Die with upper compressing tablet 1, that is, there is the most thin structure of middle part, it is necessary to can be utilized when promptly discharging
Plate nippers cuts most thin section position, is quickly opened chest.If upper compressing tablet 1 and lower sheeting 2 overlap after installing, no
Beneficial to quick release in art, the space of enough operations is not reserved for plate nippers.And in embodiment dovetail draw runner 24 still remain have
The position Chong Die with upper compressing tablet 1, does not solve the problem, is plate nippers slot milling, is easy to quick release, also causes that breastbone is consolidated
Determining utensil has various 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 compressing tablet 1 and lower sheeting 2 are against on inner edge.The design of elongated hole 241 and the first company
The mating connection of fitting and different connecting holes 141, it can be ensured that fixed after upper compressing tablet 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 screw, 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 compressing tablet 1 and lower sheeting 2 in bending
Wing 22, it is ensured that sternum fixer keeps good effect of fitting with breastbone.Centered on sternal incisions line, upper compressing tablet 1 is with
Compressing tablet 2 is arranged in the both sides of sternal incisions line (butted line), the dovetail chute of the upper compressing tablet 1 of the insertion of dovetail draw runner 24 of lower sheeting 2
In 14, slided in the dovetail chute 14 of upper compressing tablet 1 by the dovetail draw runner 24 of lower sheeting 2 by operation tool, thus adjust holding claw 11,
Spacing between 21, upper compressing tablet 1, the holding claw 11,21 of lower sheeting 2 embrace breastbone outer, after the breastbone jam-packed that will divide, by spiral shell
During nail 3 passes through the elongated hole 241 of lower sheeting 2 through the screw-in breastbone of 1 connecting hole of upper compressing tablet 141, upper compressing tablet 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 division
The breastbone longitudinal direction changing of the relative positions locked, it is necessary to screw in screw 4 in perforation 121,221 on upper compressing tablet 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, can outward winding and be locked on the elongated hole 241 of lower sheeting 2
Screw 3, is separated, by breastbone is divided using operation tool so as to be overhauled.In order to the breastbone that more will quickly divide
Separate, plate nippers can also be utilized, the part overlap with upper compressing tablet 1 is not cut by the dovetail draw runner 24 of lower sheeting 2, so that quick real
Existing breastbone is separated 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 of the invention
The scope that protection domain should be defined by the claims in the present invention is defined.
Claims (10)
1. a kind of sternum fixer, it is characterised in that including upper compressing tablet, 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 compressing tablet and lower sheeting；The upper compressing tablet is with
Relative can be slided between compressing tablet, with the spacing between the holding claw and the holding claw of lower sheeting that adjust the upper compressing tablet, and by described
First connector is connected；The wing symmetrical relative to left and right directions is also each provided with the upper compressing tablet and lower sheeting
The wing；The upper compressing tablet and lower sheeting are relative when sliding, and drive respective wing accordingly to move, thus adjust compressing tablet wing 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 compressing tablet
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 compressing tablet and the connection of upper compressing tablet
Place and the wing of lower sheeting are equipped with wing bending groove with the junction of lower sheeting, and wing is adjusted with when holding claw holds breastbone tightly
Shape, make its breastbone of more fitting；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 compressing tablet is provided with dovetail chute, it is described under
Compressing tablet is provided with dovetail draw runner, and the dovetail draw runner is inserted into the dovetail chute and slides, to realize the upper compressing tablet 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 provided with ball point cunning
Dynamic groove, is provided with disjunctor ball hole, the table that the dovetail draw runner is contacted with the groove bottom of the dovetail chute in the spheroid sliding groove
Disjunctor ball point is correspondingly provided with face；The disjunctor ball point can be slided 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 is contacted with the groove bottom of the dovetail chute is in the ramp shaped for cooperating.
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 slides
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 remained to be had
The not position Chong Die with the upper compressing tablet.
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 is provided with elongated hole, and the elongated hole inner side is provided with inner edge；First connector passes through the elongated hole, one
Connecting hole, and the be connected upper compressing tablet 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 |
|---|---|---|---|
| CN201710016988.4A CN106798590A (en) | 2017-01-10 | 2017-01-10 | Sternum fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016988.4A CN106798590A (en) | 2017-01-10 | 2017-01-10 | Sternum fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106798590A true CN106798590A (en) | 2017-06-06 |
Family
ID=58984384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710016988.4A Pending CN106798590A (en) | 2017-01-10 | 2017-01-10 | Sternum fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106798590A (en) |
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| CN109549695A (en) * | 2018-12-26 | 2019-04-02 | 江苏嘉斯康医疗科技有限公司 | A kind of application method of breastbone close component |
| CN111493991A (en) * | 2020-03-23 | 2020-08-07 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Sternoclavicular joint crossing type steel plate with adjustable angle |
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Address after: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 2 floor. Applicant after: Shanghai Kinetic Medical Co., Ltd. Address before: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 1 floor. Applicant before: Shanghai Kinetic Medical Co., Ltd. |