CN207613857U - Medial distal tibia Universal locking fracture bone plate - Google Patents
Medial distal tibia Universal locking fracture bone plate Download PDFInfo
- Publication number
- CN207613857U CN207613857U CN201720547554.2U CN201720547554U CN207613857U CN 207613857 U CN207613857 U CN 207613857U CN 201720547554 U CN201720547554 U CN 201720547554U CN 207613857 U CN207613857 U CN 207613857U
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- CN
- China
- Prior art keywords
- hole
- bone plate
- universal
- lock
- retaining ring
- Prior art date
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- Expired - Fee Related
Links
- 210000002303 tibia Anatomy 0.000 title claims abstract description 34
- 206010017076 Fracture Diseases 0.000 title claims abstract description 33
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 75
- 210000003423 ankle Anatomy 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims abstract description 17
- 208000010392 Bone Fractures Diseases 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000020084 Bone disease Diseases 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 206010070995 Vascular compression Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 206010043827 tibia fracture Diseases 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of medial distal tibia Universal locking fracture bone plate, including bone plate ankle and bone plate cadre, there is transition face connection between bone plate ankle and bone plate cadre, universal lock mechanism is provided on medial distal tibia Universal locking fracture bone plate, universal lock mechanism includes universal hole, retaining ring and bayonet lock, the spherical shape of outer wall of retaining ring, the inner wall of retaining ring and the head threads of screw connect, universal hole includes the first hole and the second hole, first hole is in spherical, and it is matched with the outer wall of retaining ring, second hole is for placing bayonet lock, bayonet lock is for locking retaining ring, due to the spherical shape of the outer wall of retaining ring, and first hole in spherical, therefore, screw can realize multidirectional be screwed into, and the screw-in convenient for screw and back-out.
Description
Technical field
The utility model is related to medical instruments field more particularly to a kind of medial distal tibia Universal locking fracture bone plates.
Background technology
Micro wound coaptation plate osteopathy uses indirect reduction of the fracture technology, and bone is maintained with the plate fixation of no pressurization
Folding corresponds to so that surgical exposure and soft tissue extent of exfoliation have reached minimum, reduce to groups such as skin, periosteum and sclerites
The blood supply knitted is destroyed, and union rate can be improved, and reduces the incidence of the complication such as infection or nonunion.
Currently, for the patient of medial distal tibia fracture, since the threaded hole direction on bone plate is according to predetermined
Direction is designed, therefore can only be installed according to the axis direction of threaded hole when fixing screws screw-in, but in practical hand
During art, the position of fracture is often uncertain, therefore it is remote to use the bone plate of the fixed-direction threaded hole to make shin bone
Just there is larger limitation when the fracture operation of end inside.
Utility model content
The utility model solves the problems, such as that the technical solution of above-mentioned insufficient sum in the prior art is：It is remote to provide a kind of shin bone
End inside Universal locking fracture bone plate, wherein universal lock mechanism can realize that screw is multi-direction and be screwed into, and effectively prevent screw with
Situations such as bone plate is killed, the screw-in convenient for screw and back-out.
To achieve the above objectives, the utility model provides a kind of medial distal tibia Universal locking fracture bone plate, including bone
Plate ankle and bone plate cadre, between the bone plate ankle and the bone plate cadre also have transition face connection, the bone plate ankle with
Distal tibial ankle medial surface is opposite, and bone plate ankle lower surface is adapted with the shape of the distal tibial ankle inner face,
The bone plate cadre is opposite with medial distal tibia face, the shape of bone plate cadre lower surface and the medial distal tibia face
It is adapted；
Universal lock mechanism, universal lock mechanism packet are provided on the medial distal tibia Universal locking fracture bone plate
Universal hole, retaining ring and bayonet lock, the spherical shape of outer wall of the retaining ring are included, the inner wall of the retaining ring is provided with internal thread,
It is used to connect with the head threads of screw, and the universal hole includes the first hole and the second hole, first hole and described second
Hole is mutually penetrated along axis, in this way, first hole and each self-forming in the second hole accordingly connect circular arc, each circular arc extends super
180 ° are crossed, first hole is in spherical, and is matched with the outer wall of the retaining ring, and second hole is for placing the card
Pin, the bayonet lock is for locking the retaining ring.
Further, further include broken part, the snap connects the opposite end of the transition face in the bone plate ankle,
The first threaded hole is provided on the broken part.
Further, further include broken part and the junction of the bone plate ankle has snap slot.
Further, a notch is additionally provided in the retaining ring, the notch extends to institute from the outer wall of the retaining ring
The inner wall of retaining ring is stated, the notch coordinates with the bayonet lock.
Further, it may be provided with thread on the inner wall in first hole.
Further, it is provided with guide pinhole on the bone plate ankle.
Further, it is respectively arranged with the universal lock mechanism on the bone plate ankle and the transition face.
Further, it is provided with the second threaded hole on the bone plate ankle.
Further, it is provided with the one or eight word hole on the transition face, the one or the eight word hole includes the first lock hole and the
One pressurization hole, first lock hole and first pressurization hole are mutually penetrated along axis, in this way, first lock hole and institute
It states the first each self-forming in pressurization hole and accordingly connects circular arc, each circular arc extends beyond 180 °, in first lock hole and described
In one pressurization hole, one of which is provided with internal thread, and another one is smooth inside.
Further, be provided with the two or eight word hole on the bone plate cadre, the two or the eight word hole include the second lock hole and
Second pressurization hole, second lock hole and it is described second pressurization hole mutually penetrated along axis, in this way, second lock hole and
The second pressurization each self-forming in hole accordingly connects circular arc, and each circular arc extends beyond 180 °, in second lock hole and described
Second pressurization hole, one of which are provided with internal thread, and another one is smooth inside.
According to preferred embodiment, the utility model offers the advantage that：
The medial distal tibia Universal locking fracture bone plate of the utility model has universal lock mechanism, guide pinhole, the first spiral shell
Pit, the second threaded hole, the one or eight word hole and the two or eight word hole, the universal lock mechanism can realize that screw is multi-direction and be screwed into, and
And situations such as effectivelying prevent screw to be killed with bone plate, the screw-in convenient for lock screw and back-out；Second threaded hole and Universal lock
Determine mechanism cooperation, maximum stability is provided for fracture fixation；Bone plate also has a broken part, which can be according to need
Whether to retain or fracture, improve the performance of bone plate to greatest extent.
The utility model is further illustrated with reference to the accompanying drawings and embodiments.
Description of the drawings
Fig. 1 is the schematic diagram that medial distal tibia Universal locking fracture bone plate described in the utility model is applied to shin bone；
Fig. 2 is the structural schematic diagram of medial distal tibia Universal locking fracture bone plate described in the utility model；
Fig. 3 is the back view of medial distal tibia Universal locking fracture bone plate described in the utility model；
Fig. 4 is the structural schematic diagram of universal lock mechanism described in the utility model；
Fig. 5 is the structural schematic diagram of retaining ring described in the utility model；
Fig. 6 is the structural schematic diagram in universal hole described in the utility model.
Specific implementation mode
It is described below for disclosing the utility model so that those skilled in the art can realize the utility model.It retouches below
Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It is retouched following
The basic principle of the utility model defined in stating can be applied to other embodiments, deformation scheme, improvement project, etc. Tongfangs
The other technologies scheme of case and spirit and scope without departing from the utility model.
Referring to figs. 1 to Fig. 3, the medial distal tibia Universal locking fracture bone plate, including broken part 101, bone plate ankle 102
With bone plate cadre 104, broken part 101 and bone plate cadre 104 are connected to the both ends of bone plate ankle 102, wherein bone plate ankle
There is transition face 103 to connect between 102 and bone plate cadre 104.
Bone plate ankle 102 is opposite with distal tibial ankle medial surface 201,102 lower surface of bone plate ankle and distal tibial ankle
The shape of portion's inner face 201 is adapted.
Bone plate ankle 102 is arc-shaped, i.e. 102 lower surface of bone plate ankle is arc-shaped, meets the design of human body radian, makes bone plate
102 lower surface of ankle can well docile on 201 surface of distal tibial ankle medial surface.
Bone plate cadre 104 is opposite with medial distal tibia face 202,104 lower surface of bone plate cadre and medial distal tibia face
202 shape is adapted.
The opposite end that bone plate cadre 104 connects transition face 103 is arranged in wedge.
As shown in figure 3, the lower surface of bone plate cadre 104 is provided with relief groove 900, which effectively prevent bone plate
104 lower surface vascular compression of cadre etc..Preferably, relief groove 900 is arranged at the edge of bone plate cadre 104, and is symmetrical arranged.
Bone plate ankle 102 and bone plate cadre 104 have angle, the inclination of transition face 103 to be connected on bone plate length direction
Between bone plate ankle 102 and bone plate cadre 104.In addition, the connecting pin of transition face 103 and bone plate ankle 102, and it is dry with bone plate
The equal arc transition in connecting pin in portion 104, effectively prevents stress concentration.
Broken part 101 and the junction of bone plate ankle 102 have snap slot 105, in bone plate in use, if you need to utilize folding
Disconnected 101 pre-add of portion locking, then retain broken part 101, is such as not required to this and fractures the broken part 101 using tool, this design,
Under conditions of proof strength requires, the length for being suitble to bone plate can be selected as needed, and improve synthetism to greatest extent
The performance of plate.
Referring to figs. 1 to Fig. 6, it is provided with universal lock mechanism 300 on the medial distal tibia Universal locking fracture bone plate, leads
Pin hole 600, the first threaded hole 400, the second threaded hole 500, the one or eight word hole 700 and the two or eight word hole 800.
As shown in Figure 1, the universal lock mechanism 300 is arranged on bone plate ankle 102 and transition face 103.
As shown in figure 4, universal lock mechanism 300 includes universal hole 301, retaining ring 302 and bayonet lock 303.
As shown in Figure 4 and Figure 5, the inner wall of the spherical shape of the outer wall of the retaining ring 302, retaining ring 302 is provided with interior spiral shell
Line is used to connect with the head threads of screw 304, and therefore, the screw 304 of the utility model is that its head is provided with external screw thread
Screw, it will be appreciated by persons skilled in the art that the head of the screw 304 can be in cone-shaped, ball-type or cylinder etc..
A notch 3021 is additionally provided in retaining ring 302, notch 3021 extends to retaining ring from the outer wall of retaining ring 302
302 inner wall, the notch 3021 can make retaining ring 302 there is elasticity.
As shown in fig. 6, the universal hole 301 includes the first hole 3011 and the second hole 3012, the first hole 3011 and the second hole
3012 mutually penetrate along axis, in this way, the first hole 3011 and 3012 each self-forming of the second hole accordingly connect circular arc, each circular arc extends
More than 180 °.
First hole 3011 with the outer wall of retaining ring 302 for matching, i.e. the first hole 3011 is in spherical, due to retaining ring
The 302 spherical shape of outer wall and the first hole 3011 are in spherical, and therefore, retaining ring 302 can be 360 ° turns in the first hole 3011
It is dynamic, it is preferable that each 20 ° of the scope of activities in left and right can be achieved in retaining ring 302 in each active face.
Further, may be provided with thread on the inner wall in the first hole 3011, for increase the first hole 3011 and retaining ring 302 it
Between frictional force.
Second hole 3012 is for placing bayonet lock 303, when bayonet lock 303 is placed in the second hole 3012, due to the first hole
3011 are connected with the second hole 3012, and therefore, a part for bayonet lock 303 can be located in the first hole 3011, which can be with notch
3021 cooperations, to block retaining ring 302, prevent retaining ring 302 from rotating along circumferential direction.
In the present embodiment, the axis in the first hole 3011 and the axis in the second hole 3012 can be mutually parallel.
In other embodiments, the axis in the first hole 3011 and the axis in the second hole 3012 can be not parallel.
When the universal lock mechanism 300 assembles, retaining ring 302 is placed into the first hole 3011 first, and will locking
The notch 3021 of ring 302 is corresponding with the second hole 3012, and then bayonet lock 303 is placed into the second hole 3012, realizes retaining ring 302
Locking.
Hereafter, the angle entered according to screw 304, rotation lock ring 302, and its axis is enable to enter with screw 304
Direction it is consistent, finally, will be in 304 precession retaining ring 302 of screw.Since retaining ring 302 and the first hole are only leaned in the rotation of angle
3011 cooperations are realized, the case where being killed thus, there is no the inner wall on 304 head of screw and retaining ring 302, convenient for screw 304
It screws in and screws out.
In above-mentioned steps, retaining ring 302, which is placed into the first hole 3011 or is taken out out of first hole 3011, can be used a word
The tools such as knife are realized, as shown in figure 5, it is provided with a card slot 3022 on the end face of at least one of 302 two end faces of retaining ring, it should
The tools such as card slot 3022 and a word knife coordinate.
In the present embodiment, universal lock mechanism 300 is five, wherein four are arranged on bone plate ankle 102, another
It is arranged on transition face 103.
Universal lock mechanism 300 described here is not limited to be used for medial distal tibia Universal locking fracture bone plate, may be used also
For other devices.
With reference to Fig. 2, the guide pinhole 600 may be provided at bone plate ankle 102, and guide pinhole 600 can coordinate with guide pin, and realizing will
Bone plate is fixed on along guide pin direction on bone.
In the present embodiment, the quantity of guide pinhole 600 is one.
With reference to Fig. 2, first threaded hole 400 is arranged on broken part 101, and externally threaded spiral shell can be provided with head
Nail cooperation.
With reference to Fig. 2, second threaded hole 500 is arranged on bone plate ankle 102, can be provided with head externally threaded
Screw fit.
In the present embodiment, 500 quantity of the second threaded hole is one, and four universal holes 301 are looped around the second threaded hole 500
Around.
Wherein, universal lock mechanism 300 can realize that the screw-in of screw variable-angle, the second threaded hole 500 can realize screw
The screw-in of fixed angle provides maximum by the cooperation of universal lock mechanism 300 and the second threaded hole 500 for fracture fixation
Stability.
With reference to Fig. 2, the one or the eight word hole 700 is arranged on transition face 103.
One or eight word hole 700 includes the first lock hole 701 and first pressurization hole 702, the pressurization of the first lock hole 701 and first
Hole 702 is mutually penetrated along axis, in this way, the first lock hole 701 and first pressurization 702 each self-forming of hole accordingly connects circular arc, respectively
Circular arc extends beyond 180 °.In the first lock hole 701 and first pressurizes hole 702, one of which is provided with internal thread, another one
For smooth inside, also, the first pressurization hole 702 is provided with pressurization curved surface.
In the present embodiment, the quantity in the one or eight word hole 700 is one.
In the present embodiment, the first lock hole 701 is adjacent with universal hole 301, and the first lock hole 701 is provided with internal thread,
First pressurization hole 702 is in long pass, and is smooth inside.
With reference to Fig. 2, the two or the eight word hole 800 is arranged on bone plate cadre 104.
Two or the eight word hole 800 includes the second lock hole 801 and second pressurization hole 802, the second lock hole 801 and second
Pressurization hole 802 is mutually penetrated along axis, in this way, the second lock hole 801 and second pressurization 802 each self-forming of hole accordingly connects circle
Arc, each circular arc extend beyond 180 °.In the second lock hole 801 and second pressurizes hole 802, one of which is provided with internal thread,
Another one is smooth inside, also, the second pressurization hole 802 is provided with pressurization curved surface.
In the present embodiment, the quantity in the two or eight word hole 800 is seven, and the length of the bone plate along bone plate cadre 104
Spend the setting of direction array.
Embodiment described above is merely to illustrate the technological thought and feature of the utility model, and its object is to make ability
Technical staff in domain can understand the content of the utility model and implement according to this, only cannot limit this practicality with the present embodiment
Novel the scope of the claims uses, i.e., all according to same changes or modifications made by the revealed spirit of the utility model, still falls at this
In the scope of the claims of utility model.
Claims (10)
1. a kind of medial distal tibia Universal locking fracture bone plate, which is characterized in that including bone plate ankle (102) and bone plate cadre
(104), there are transition face (103) connection, the bone plate ankle between the bone plate ankle (102) and the bone plate cadre (104)
Portion (102) and distal tibial ankle medial surface (201) relatively, bone plate ankle (102) lower surface and the distal tibial ankle
The shape of portion's medial surface (201) is adapted, the bone plate cadre (104) and medial distal tibia face (202) relatively, the bone plate
Cadre (104) lower surface is adapted with the shape of the medial distal tibia face (202)；
Universal lock mechanism (300), the universal lock mechanism are provided on the medial distal tibia Universal locking fracture bone plate
(300) include universal hole (301), retaining ring (302) and bayonet lock (303), the spherical shape of outer wall of the retaining ring (302), institute
The inner wall for stating retaining ring (302) is provided with internal thread, is used to connect with the head threads of screw (304), the universal hole
(301) include the first hole (3011) and the second hole (3012), first hole (3011) and second hole (3012) are along axis
It mutually penetrates, in this way, first hole (3011) and second hole (3012) each self-forming accordingly connect circular arc, each circular arc prolongs
180 ° are extended over, first hole (3011) is in spherical, and is matched with the outer wall of the retaining ring (302), second hole
(3012) it is used to place the bayonet lock (303), the bayonet lock (303) is for locking the retaining ring (302).
2. medial distal tibia Universal locking fracture bone plate as described in claim 1, which is characterized in that further include broken part
(101), the broken part (101) is located at the opposite end that the bone plate ankle (102) connects the transition face (103), the folding
It is provided with the first threaded hole (400) on disconnected portion (101).
3. medial distal tibia Universal locking fracture bone plate as claimed in claim 2, which is characterized in that further include broken part
(101) there is snap slot (105) with the junction of the bone plate ankle (102).
4. medial distal tibia Universal locking fracture bone plate as described in claim 1, which is characterized in that the retaining ring (302)
On be additionally provided with a notch (3021), the notch (3021) extends to the retaining ring from the outer wall of the retaining ring (302)
(302) inner wall, the notch (3021) coordinate with the bayonet lock (303).
5. medial distal tibia Universal locking fracture bone plate as described in claim 1, which is characterized in that first hole (3011)
Inner wall on may be provided with thread.
6. medial distal tibia Universal locking fracture bone plate as described in claim 1, which is characterized in that the bone plate ankle
(102) guide pinhole (600) is provided on.
7. medial distal tibia Universal locking fracture bone plate as described in claim 1, which is characterized in that the bone plate ankle
(102) and on the transition face (103) it is respectively arranged with the universal lock mechanism (300).
8. medial distal tibia Universal locking fracture bone plate as claimed in claim 7, which is characterized in that the bone plate ankle
(102) the second threaded hole (500) is provided on.
9. medial distal tibia Universal locking fracture bone plate as claimed in claim 7, which is characterized in that the transition face (103)
On be provided with the one or eight word hole (700), the one or the eight word hole (700) includes that the first lock hole (701) and first are pressurizeed hole
(702), first lock hole (701) and first pressurization hole (702) are mutually penetrated along axis, in this way, first lock
Determine hole (701) and described first pressurization hole (702) each self-forming accordingly connects circular arc, each circular arc extends beyond 180 °, described
In first lock hole (701) and first pressurization hole (702), wherein first lock hole (701) is provided with internal thread,
First pressurization hole (702) is smooth inside.
10. medial distal tibia Universal locking fracture bone plate as claimed in claim 7, which is characterized in that the bone plate cadre
(104) the two or eight word hole (800) is provided on, the two or the eight word hole (800) includes the second lock hole (801) and the second pressurization
Hole (802), second lock hole (801) and second pressurization hole (802) are mutually penetrated along axis, in this way, described second
Lock hole (801) and described second pressurization hole (802) each self-forming accordingly connect circular arc, and each circular arc extends beyond 180 °, in institute
State the second lock hole (801) and second pressurization hole (802), wherein second lock hole (801) is provided with internal thread,
Second pressurization hole (802) is smooth inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547554.2U CN207613857U (en) | 2017-05-17 | 2017-05-17 | Medial distal tibia Universal locking fracture bone plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547554.2U CN207613857U (en) | 2017-05-17 | 2017-05-17 | Medial distal tibia Universal locking fracture bone plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207613857U true CN207613857U (en) | 2018-07-17 |
Family
ID=62818514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720547554.2U Expired - Fee Related CN207613857U (en) | 2017-05-17 | 2017-05-17 | Medial distal tibia Universal locking fracture bone plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207613857U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111568525A (en) * | 2020-05-21 | 2020-08-25 | 北京积水潭医院 | Tibia far-end inner-side bone fracture plate and bone fracture assembly |
| CN113274111A (en) * | 2021-06-15 | 2021-08-20 | 苏州惠卫达医疗科技有限公司 | Mixed locking bone fracture plate system and matched screwdriver |
| CN115844508A (en) * | 2023-02-22 | 2023-03-28 | 首都医科大学附属北京同仁医院 | Anatomical locking steel plate for minimally invasive treatment of humeral fracture |
-
2017
- 2017-05-17 CN CN201720547554.2U patent/CN207613857U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111568525A (en) * | 2020-05-21 | 2020-08-25 | 北京积水潭医院 | Tibia far-end inner-side bone fracture plate and bone fracture assembly |
| CN113274111A (en) * | 2021-06-15 | 2021-08-20 | 苏州惠卫达医疗科技有限公司 | Mixed locking bone fracture plate system and matched screwdriver |
| CN115844508A (en) * | 2023-02-22 | 2023-03-28 | 首都医科大学附属北京同仁医院 | Anatomical locking steel plate for minimally invasive treatment of humeral fracture |
| CN115844508B (en) * | 2023-02-22 | 2023-05-09 | 首都医科大学附属北京同仁医院 | Anatomical locking steel plate for minimally invasive treatment of humeral fracture |
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| GR01 | Patent grant | ||
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Granted publication date: 20180717 |