CN206934162U - One kind bridge joint lockplate - Google Patents
One kind bridge joint lockplate Download PDFInfo
- Publication number
- CN206934162U CN206934162U CN201621473488.0U CN201621473488U CN206934162U CN 206934162 U CN206934162 U CN 206934162U CN 201621473488 U CN201621473488 U CN 201621473488U CN 206934162 U CN206934162 U CN 206934162U
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- China
- Prior art keywords
- lock hole
- plate body
- lockplate
- bridge joint
- fracture
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 210000000988 bone and bone Anatomy 0.000 abstract description 27
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 230000002980 postoperative effect Effects 0.000 abstract description 11
- 208000010392 Bone Fractures Diseases 0.000 description 63
- 206010017076 Fracture Diseases 0.000 description 59
- 208000024779 Comminuted Fractures Diseases 0.000 description 3
- 208000006735 Periostitis Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003460 periosteum Anatomy 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001161 mammalian embryo Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009184 walking Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses one kind to bridge lockplate, belongs to medical instruments field.Including plate body and the several lock holes being arranged on plate body, longitudinal direction of the several lock holes along the plate body is distributed in fracture line both sides, forms bridging structure；The bridging structure is single bridge joint pattern or doube bridge direct type formula or bridges pattern more.The utility model is according to different classification of fracture and fracture, there is the bridge joint lockplate of corresponding pattern, so as to ensure not including lock hole in fracture, improve the equivalent flexural strength of postoperative bone plate, increase the fatigue life of bone plate, ensure the safety and effectiveness of steel plate and sclerite.
Description
Technical field
The utility model belongs to medical instruments field, more particularly to a kind of bridge joint lockplate.
Background technology
At present treat fracture when, typically using bone screw, through the through hole on bone plate, by bone plate across bone
Broken line is fixed, and plays a part of fixing the interim reinforcement of fracture site.Because fracture has randomness, the position of fracture line
Put with the direction of fracture line because people with because of faulted condition depending on.Existing bone plate is according to people's different parts bone geometric shape
Specificity, is designed with corresponding location structure, and above bone plate hole site design, be equidistant along bone plate longitudinal axis
It is distributed, i.e. distance is equal between the Kong Yukong of the adjacent through hole of any two.Therefore, property that there is a strong possibility, fracture line is just
The position in hole on plate.Instructed according to operation technique, the hole that now fracture line passes through cannot drivescrew, it is necessary to be jumped
Cross, in neighbouring hole drivescrew, cause depositing for vacant through hole (the vacant through hole i.e. without fixed screw therethrough)
.Due to the vacant through hole near fracture line on bone plate be present, there is no pedicle screw conduct among vacant through hole
Support, its intensity are affected.In stress, stress concentration easily causes plate and is broken here around vacant through hole,
Handled so that patient has to pass through second operation, add pain and treatment cost that patient is born.
On at 26 on the day for announcing 2015 year 05 month, disclose that a kind of " locking connects in the B of notification number CN 1764418 Chinese patent
Hone lamella ", it can be selected plate placement, while can reliably in the position in any hole, for good and all fixation bone fracture plate and bone chip,
But the Layout Problem for running through hole position on bone plate is not involved with the technical scheme.Further, it is not accounted for yet, though
Right short-term post-operative outcome is to be securely fixed fracture site, but skeleton needs to carry the body weight of people itself.In days such as walkings
Often in activity, power is applied to fracture site, and it is passed by bone plate and the screw of fixation bone fracture plate across fracture site
Pass.Although force value is destroyed insufficient for bone plate, the small value force of alternation repeatedly, it is also possible that bone plate is due to fatigue,
Along with the through hole across fracture line position causes insufficient rigidity, and it is broken.
On at 25 on the day for announcing 2005 year 05 month, a kind of pessulus is disclosed in notification number CN200420017828.X Chinese patent
Bridge plate, it includes the steel plate of a strip and block, the both ends of steel plate be provided with several be used for couple open-works, in addition to institute
State the steel plate connection corresponding hexagon socket head cap screw of open-work quantity, corresponding connection open-work and institute synthetism of the bolt through steel plate；Screw thread
The bridge pad between institute synthetism face on bolt on the inside of the steel plate is connected on, steel plate forms bridge joint across fracture mouth；It is located at outside bolt
Pad on the inside of end nut between institute synthetism face.Although steel plate is mentioned in the technical scheme forms bridge joint across fracture mouth,
The arrangement of open-work position on steel plate is not accounted for.The purpose of the technical scheme is to retain fracture end blood fortune and promote fracture to be cured
Close, avoid mass lesions periosteum and soft tissue.It is attached that the position arrangement of open-work and fracture on bone plate are not accounted for equally yet
Nearly bone, the stress of steel plate and bending stiffness.
On at 10 on the day for announcing 2005 year 08 month, notification number CN200510010654.3 Chinese patent, disclose a kind of bridge joint
Composite bone fracture internal fixing device, mainly including fixed block, pitman, fixing screws and lock screw.It is provided with inside fixed block
Parallel to the pitman hole of fixed block principal plane, it is slidably matched with pitman；Screw hole is provided with perpendicular to fixed block principal plane, even
Take over the baton hole and screw hole localized chiasma；Fixing screws or lock screw coordinate with screw hole, and the cone cap of screw presses in pitman
On.Combined type in the technical scheme coordinates so that easily loosens in actual use.Further, since the technical scheme
It is middle to use two pitmans and several screws, to support and connection fixing block so that during postoperative patient activity, part of the force is only
For pitman and part fixed block, intensity and fatigue life are weaker than monoblock integration solid steel plate.
Utility model content
Technical problem to be solved in the utility model is to provide one kind and adapts to a variety of classification of fracture, and strengthens fracture line
Locate a kind of bridge joint lockplate of bone plate intensity.It can reduce postoperative Plate break probability of happening, reduce second operation risk.
The technical solution of the utility model is specially：
Provide a kind of bridge joint lockplate, including plate body and several lock holes for being arranged on plate body, several locks
Determine longitudinal direction of the hole along the plate body and be distributed in fracture line both sides, form bridging structure；The bridging structure is single bridge type
Formula or doube bridge direct type formula bridge pattern more.
Wherein, described single bridge joint pattern is specially：Several lock holes are distributed only over longitudinal both ends of plate body, and both ends
At least one fracture line is corresponding between lock hole.
Wherein, described doube bridge direct type formula is specially：Several lock holes are distributed in longitudinal both ends and the plate body of plate body
Center section, and at least one is corresponding with respectively between the lock hole of every one end and the lock hole of center section in longitudinal both ends
Fracture line.
Wherein, described more bridge joint patterns are specially：Several lock holes are distributed in longitudinal both ends and the plate body of plate body
Center section, and at least one is corresponding with respectively between the lock hole of every one end and the lock hole of center section in longitudinal both ends
Fracture line, at least one fracture line is corresponding between the lock hole of center section.
In one embodiment of the present utility model, several lock holes are on the plate body in the same direction in non-etc.
Away from arrangement.
In one embodiment of the present utility model, several lock holes are in turn divided into some lock hole groups, each
Lock hole group includes two or more lock hole, and some lock hole groups are arranged in non-equidistant in the same direction on the plate body
Row.
In one embodiment of the present utility model, several lock holes are in turn divided into some lock hole groups, each
Lock hole group includes more than two lock holes, and some lock hole groups are on the plate body in the same direction in equidistant row
Row, and the spacing between spacing between the adjacent lock hole at least one lock hole group and adjacent lock hole group is unequal.
Compared with the prior art, the utility model has the advantages that：
1) according to different classification of fracture and fracture, there is the bridge joint lockplate of corresponding pattern, by selecting suitable lock
Determine the lockplate of pore size distribution so that the locking plate part across fracture line is all the part of no lock hole all the time, adds bone
Broken line correspondingly locks the bending stiffness and equivalent flexural strength of plate part, adds the stability and fatigue and cyclic time of lockplate
Number, ensure the safety and effectiveness of lockplate and sclerite.
2) because longitudinal direction of the lock hole along plate body is distributed in fracture line both sides, bridging structure is formed, by fracturing
Screw is screwed in the lock hole of line both sides, plays a part of connecting sclerite and fixing lock fixed board and sclerite, by sclerite
An entirety is integrated into lockplate；Reduce postoperative bone plate fracture probability of happening, reduce second operation risk.
Brief description of the drawings
Fig. 1 is single bridge joint postoperative plate schematic diagram of lockplate that the utility model embodiment provides.
Fig. 2 to Fig. 3 is that the doube bridge that the utility model embodiment provides connects the postoperative plate schematic diagram of lockplate.
Fig. 4 is the postoperative plate schematic diagram of more bridge joint lockplates that the utility model embodiment provides.
Fig. 5 is another way of realization for the bridge joint lockplate that the utility model embodiment provides.
Symbol description：
The normal bone parts in both ends after 1-1 and 1-2- fracture, 1-3- fracture lines, 1-4- lock holes, 1-5- fracture areas.
Embodiment
The utility model is described further with reference to the accompanying drawings and examples.According to following explanation and claim
Book, advantages and features of the present utility model will become apparent from.It should be noted that accompanying drawing uses using very simplified form and
Non- accurately ratio, it is only used for conveniently, lucidly aiding in illustrating the purpose of the utility model embodiment.
The utility model provides a kind of bridge joint lockplate, including plate body and several lock holes for being arranged on plate body,
Longitudinal direction of several lock holes along plate body is distributed in fracture line both sides, forms bridging structure；Wherein, the bridging structure can be single
Bridge joint pattern or doube bridge direct type formula bridges pattern more.
Because longitudinal direction of the lock hole along plate body is distributed in fracture line both sides, bridging structure is formed, by fracture line
Screw is screwed in the lock holes of both sides, plays a part of connecting sclerite and fixing lock fixed board and sclerite, by sclerite with
Bone plate is integrated into an entirety；Reduce postoperative bone plate fracture probability of happening, reduce second operation risk.
Embodiment 1
Fig. 1 is refer to, present embodiments provides a kind of bridge joint lockplate, including plate body 1-6 and is arranged on plate body 1-6
Several lock hole 1-4, longitudinal directions of several lock hole 1-4 along plate body 1-6 be distributed in fracture line 1-3 both sides, form bridge joint
Structure；Wherein, the bridging structure is single bridge joint pattern.Specifically, as shown in figure 1, respectively having two at plate body 1-6 longitudinal both ends
Lock hole 1-4, the plate body between the lock hole at both ends crosses over fracture area 1-5, as bridge, connects the normal sclerotin portion in both ends
Divide 1-1,1-2.Generally, the lockplate in the embodiment for treating, roll over more and Surrounding muscles are abundant by comminuted fracture or a bone
Dry bone fracture.This kind of fracture is due to the original mechanical strength of sclerite some lost, it is difficult to is carried out with screw by lock hole and plate
It is fixed, therefore be only fixed in the both ends pedicle screw of fracture portions with lockplate.
Certainly, it is necessary to which explanation is that the present embodiment is said so that respectively there are two lock holes at longitudinal both ends of plate body as an example
Bright, but the utility model is not limited thereto, the quantity of the lock hole at both ends can also be other values, such as both ends respectively have 3
Individual lock hole etc..Also, the quantity of the lock hole at both ends can also differ, such as one end is provided with 2 lock holes, the other end
It is provided with 3 lock holes, etc..
In addition, in the present embodiment, three fracture lines are corresponding between the lock hole at both ends, however, the utility model is simultaneously
It is not limited, as long as being corresponding with the fracture line of one or more between the lock hole at both ends.
Embodiment 2
Fig. 2 to Fig. 3 is refer to, the bridge joint lockplate that the present embodiment provides, its bridging structure is doube bridge direct type formula；Specifically
Ground, it is provided with multiple or multigroup lock hole 1-4 on plate body 1-6 longitudinal direction, and multiple or multigroup lock hole 1-4 is distributed in plate
Body 1-6 longitudinal both ends and plate body 1-6 center section, and the lock hole of every one end in longitudinal both ends and center section
A fracture line 1-3 is corresponding between lock hole respectively.As shown in Fig. 2 plate body 1-6 longitudinal both ends are respectively arranged with two locks
Determine hole 1-4, plate body 1-6 center section is provided with two lock hole 1-4, the lock hole of every one end in longitudinal both ends with it is middle
A fracture line 1-3 is corresponding between partial lock hole respectively.Certainly, the quantity of the lock hole of center section can also be with two
The quantity of the lock hole at end is different, such as the quantity of the lock hole of center section can also be 4, as shown in Figure 3.Generally, should
Lockplate in embodiment is used to treat transverse fracture, have jagged short oblique fracture.The sclerite of such fracture has certain
Mechanical stiffness, sclerite is larger, possesses the condition of pedicle screw.
Similarly, the lock hole at longitudinal both ends of the plate body in the present embodiment and the lock hole of plate body center section are set
The form of putting is also not limited to the form shown in Fig. 2 and Fig. 3, and it can have a variety of changes, for example, the quantity of the lock hole at both ends can
With difference, etc..
In addition, in the present embodiment, divide between the lock hole of every one end and the lock hole of center section in longitudinal both ends
A fracture line is not corresponding with, however, the utility model is not limited thereto, as long as the lock hole of every one end in longitudinal both ends
It is corresponding with the fracture line of one or more respectively between the lock hole of center section.
Embodiment 3
Fig. 4, the bridge joint lockplate that the present embodiment provides are refer to, its bridging structure is more bridge joint patterns；Specifically, plate body
1-6 longitudinal both ends are each provided with two lock hole 1-4, and plate body 1-6 center section is provided with 2 lock hole 1-4, pars intermedia
Point 2 lock holes between be corresponding with 1 fracture line 1-3, the lock hole of every one end in longitudinal both ends with the close end
Between part lock hole between be corresponding with 1 fracture line 1-3.
Generally, the fracture that the lockplate is used to treat is between comminuted fracture and transverse fracture.Such sclerite, due to it
Mechanical strength is not enough to be implanted into more than two pieces of screw above, and mechanical strength is higher than the intensity of comminuted fracture, size side again
Face is also not enough to accommodate more than two pieces of screw.Therefore, the lock hole of plate body center section is single lock hole.
In the above-described embodiments, preferably, several lock hole 1-4 are in the same direction non-etc. on plate body 1-6
Away from arrangement.Hence for different classification of fracture and fracture, there is the bridge joint lockplate of corresponding pattern, it is suitable by selecting
Lock the lockplate of pore size distribution so that the locking plate part across fracture line is all the part of no lock hole all the time, is added
Fracture line correspondingly locks the bending stiffness and equivalent flexural strength of plate part, adds the stability and fatigue and cyclic time of lockplate
Number, ensure the safety and effectiveness of lockplate and sclerite.
Further, as shown in Figures 2 and 3, several lock hole 1-4 can be in turn divided into some lock hole groups, Mei Gesuo
Determining hole group includes two or more lock hole, and some lock hole groups arrange in non-equidistant in the same direction on the plate body.Or
Several lock hole 1-4 are in turn divided into some lock hole groups, and each lock hole group includes more than two lock holes, some lockings
Hole group is in equidistant arrangement in the same direction on the plate body, and between the adjacent lock hole at least one lock hole group between
It is unequal away from the spacing between adjacent lock hole group.Groups of through hole has hole compared with individually non-ganged through hole
Flexibility height, the combining form in hole change the advantages of various when selection and use.Meanwhile through hole group both ensure that fracture site
Intensity, light-weight design also is carried out to non-principal bearing position, mitigates the weight of lockplate.On the other hand, through hole group
In the presence of reducing the contact area of lockplate and bone, reduce compressing of the lockplate to periosteum, ensure that the flowing of blood in periosteum
Unobstructed and nutrition supply.The speed that fracture is recovered and healed can effectively be accelerated.
Above example is illustrated by taking straight template as an example, it is necessary to explanation, bridge joint locking of the present utility model
Plate can also be applied in anatomical form lockplate, as shown in Figure 5.And as long as the space of plate and size are enough, the design is not only
It can apply on Fig. 1 to Fig. 4 straight type lockplate, almost all kinds of lockplate can also be widely used in.In addition, should
The design of pattern is bridged because punching number is few, therefore there can be bigger space to fix steel plate embryo material through row in processing,
Fixed jig Design used is easy, and the embryo material of process is stable, and product qualification rate improves.
It should be noted that the present embodiment only lists a kind of bridge joint lockplate, but embodiment of the present utility model can be with
There is the change of a variety of changes, including bone plate length, width, hole count, geometric shape, pedicle screw number etc..Reference
Fig. 5, according to the difference using position, the locking hole count of lockplate can be from 3 to 15；Adjacent lock hole or lock hole
The variation pattern of spacing between group can be with ascending, can also be descending, or the change that first increases and then decreases increases again,
Reduce again or first the change for increasing the diversified forms such as the change reduced again and mode afterwards.In some examples, it is of the present utility model
Some features can not be used in conjunction with other features.
The utility model provides a kind of bridge joint lockplate, it is easily achieved, appropriate extensively, reduce artificial disturbance because
Element.The equivalent flexural strength of postoperative lockplate is favorably improved, the advantages of increasing the fatigue life of lockplate, patient is reduced and bears
Pain and treatment cost, improve patient's postoperative life quality.
The utility model can be widely used for cosmetic surgery, orthopedic medical device design and manufacturing field.
Claims (7)
1. one kind bridge joint lockplate, it is characterised in that described several including plate body and the several lock holes being arranged on plate body
Longitudinal direction of the lock hole along the plate body is distributed in fracture line both sides, forms bridging structure；
The bridging structure is single bridge joint pattern or doube bridge direct type formula or bridges pattern more.
2. according to a kind of bridge joint lockplate described in claim 1, it is characterised in that described list bridges pattern and is specially：
Several lock holes are distributed only over longitudinal both ends of plate body, and at least one fracture line is corresponding between the lock hole at both ends.
3. according to a kind of bridge joint lockplate described in claim 1, it is characterised in that described doube bridge direct type formula is specially：
Several lock holes are distributed in the longitudinal both ends and the center section of plate body of plate body, and the lock hole of every one end in longitudinal both ends
It is corresponding with least one fracture line respectively between the lock hole of center section.
4. according to a kind of bridge joint lockplate described in claim 1, it is characterised in that described more bridge joint patterns are specially：
Several lock holes are distributed in the longitudinal both ends and the center section of plate body of plate body, and the lock hole of every one end in longitudinal both ends
It is corresponding with least one fracture line respectively between the lock hole of center section, is corresponding with least between the lock hole of center section
One fracture line.
5. according to a kind of bridge joint lockplate described in claim 1 or 2 or 3 or 4, it is characterised in that several lock holes
Arranged in the same direction in non-equidistant on the plate body.
6. according to a kind of bridge joint lockplate described in claim 5, it is characterised in that several lock holes are in turn divided into
Some lock hole groups, each lock hole group include two or more lock hole, and some lock hole groups are on the plate body along same
One direction arranges in non-equidistant.
7. according to the bridge joint lockplate described in claim 5, it is characterised in that several lock holes are in turn divided into some
Lock hole group, each lock hole group include more than two lock holes, and some lock hole groups are on the plate body along same
Direction is in equidistant arrangement, and between spacing between the adjacent lock hole at least one lock hole group and adjacent lock hole group
Spacing is unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621473488.0U CN206934162U (en) | 2016-12-29 | 2016-12-29 | One kind bridge joint lockplate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621473488.0U CN206934162U (en) | 2016-12-29 | 2016-12-29 | One kind bridge joint lockplate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206934162U true CN206934162U (en) | 2018-01-30 |
Family
ID=61356563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621473488.0U Expired - Fee Related CN206934162U (en) | 2016-12-29 | 2016-12-29 | One kind bridge joint lockplate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206934162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667566A (en) * | 2016-12-29 | 2017-05-17 | 上海富笛医疗科技有限公司 | Bridging locking plate |
| CN115998398A (en) * | 2023-02-14 | 2023-04-25 | 北京爱康宜诚医疗器材有限公司 | Bone fixing device |
-
2016
- 2016-12-29 CN CN201621473488.0U patent/CN206934162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667566A (en) * | 2016-12-29 | 2017-05-17 | 上海富笛医疗科技有限公司 | Bridging locking plate |
| CN115998398A (en) * | 2023-02-14 | 2023-04-25 | 北京爱康宜诚医疗器材有限公司 | Bone fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 |