CN206026407U - Miniature universal locking plate of calcaneum - Google Patents
Miniature universal locking plate of calcaneum Download PDFInfo
- Publication number
- CN206026407U CN206026407U CN201620474240.XU CN201620474240U CN206026407U CN 206026407 U CN206026407 U CN 206026407U CN 201620474240 U CN201620474240 U CN 201620474240U CN 206026407 U CN206026407 U CN 206026407U
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- China
- Prior art keywords
- postbrachium
- calcaneus
- forearm
- fracture
- universal
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Abstract
The utility model discloses a miniature universal locking plate of calcaneum, including forearm, postbrachium and linking arm. The the device appearance accords with the dissection form of calcaneum, it is regional to be favorable to the steel sheet to be fixed in the ideal, the internal fixation of ideal is provided for the fracture of calcaneus, all screws of the device all adopt the universal hole of open flume type, calcaneum bone fracture type to the difference, capable direction is walked to the fracture line, the fracture is sinkd and is smashed and the degree of calcaneum broadening cripetura etc, the operator can adjust the direction of locking screw and fix, be favorable to utilizing ordinary screw to correct calcaneum broadening and varus pressurization operation with the help of the steel sheet, can avoid the fixed axle to get into the fracture gap to the locking screw, invalid the fixing of fracturing crushing region or osteoporosis region and leading to, the efficiency of the use of locking screw is improved and the power of controlling of whole system, play more definite fixedly to comparatively loose with kibbling fracture of calcaneus, avoid not hard up emergence of moving back nail and internal fixation failure phenomena, improve the operation curative effect of this miniature calcaneum steel sheet.
Description
Technical field
This utility model is related to a kind of operating theater instruments, the miniature universal lock steel plate of specifically a kind of calcaneus.
Background technology
For the fracture of calcaneus for having obvious displacement, generally treated using open reduction Plate internal fixiation mode, great majority face
Bed doctor is often using II～IV types of Sanders as operative treatment indication.But due to fracture of calcaneus traditional surgical approaches exist compared with
Many complication so that the operative treatment of fracture of calcaneus has larger dispute always, wherein, with the complication of skin soft tissue compared with
For serious, there is research to show that its incidence rate is up to 22%.This anatomical features with calcaneus and its surrounding soft tissue, traumatic mechanism and
The factors such as operation method have very big relation.Fracture of calcaneus Minimally Invasive Surgery has become one kind at present and has treated trend, i.e., using more micro-
The operative approach and miniature steel plate of wound carry out the operative treatment of fracture of calcaneus, are percutaneously inserted using Jing veins of tarsal sinus otch at present
Miniature Complicated Fracture in Caging Steel Therapy fracture of calcaneus, its screw can be screwed into lock screw and be provided with the fracture of calcaneus to carrying out good reset
Support well, be that the treatment of fracture of calcaneus brings larger facility.But in use, the minimally invasive locking steel of common calcaneus
Plate still suffers from certain limitation.First, for each patient, the anatomic form structure of its calcaneus has certain individual diversity
It is different, but the direction of the lock hole of calcaneal steel plate is fixed, i.e., and on the outside of percutaneous plate calcaneus, suitable position is to be relatively fixed
, after implantation, the direction of each of which locking screw is fixed, and this results in cannot be on lock screw travel direction
The calcaneus to adapt to corresponding anatomic form are adjusted, is caused operational difficult or enough fixed supports cannot be provided to fracture；
Second, it is fracture crushed zone or fracture gap such as to run into some locking screw hole parts, is fixed due to locking screw direction, thus
The adjustment of screw orientation cannot be carried out to avoid the fixation inactive area, cause the invalid fixation of lock screw or pass into disuse and
Cause the waste of the screw.3rd, fracture of calcaneus is being corrected axially during broadening and varus in operation, generally require to pass through
Locking screw is screwed into cancellous bone screw according to required direction and is laterally pressurizeed, further to correct the broadening and interior of calcaneus
Talipes varus, after the completion of, generally it is not that very firm common cancellous bone screw is replaced by lock screw to remain fixed, in case
The later stage screw moves back nail causes medical tangle, and commonly locks screw and cannot be replaced by lock screw along former screw way, needs
New screw way is got out along locking screw restriction direction in addition to be fixed, wound is increased, also be have impact on fixed effect.
Utility model content
The purpose of this utility model is to provide a kind of calcaneus miniature universal lock steel plate, to solve in above-mentioned background technology
The problem of proposition.
For achieving the above object, this utility model provides following technical scheme：
A kind of miniature universal lock steel plate of calcaneus, including forearm, postbrachium and linking arm, forearm, postbrachium and linking arm are located at
The plane of sustained height, the side of the linking arm are connected with forearm, and the opposite side of linking arm is connected with postbrachium, linking arm and front
The angle of arm, linking arm and postbrachium is 70 degree, is provided with the universal hole of open flume type, the level side of linking arm on forearm and postbrachium
The universal hole of multiple open flume types has been set up, projection has been additionally provided with linking arm and raised near postbrachium, the universal hole of open flume type
On be provided with multi-turn screw thread.
As further program of the utility model：The universal hole of open flume type, open flume type on forearm is provided with projection
The quantity in universal hole is that two or more and the universal hole of open flume type are arranged on forearm at equal intervals, the universal hole of open flume type on forearm
Axle center be located along the same line, on postbrachium, the quantity in the universal hole of open flume type is more than three and the universal hole of open flume type is equidistant
Be arranged on postbrachium, on postbrachium, the axle center in the universal hole of open flume type is located along the same line.
As further program of the utility model：Forearm and postbrachium adopt circular slab, linking arm to be shaped as arch,
Forearm, postbrachium and linking arm are made using titanium steel plate.
Compared with prior art, the beneficial effects of the utility model are：The device profile meets the anatomic form of calcaneus, has
Beneficial to Interal fixation in ideal zone, provide fixed in preferably for fracture of calcaneus, all screws of the device are using fluting
The universal hole of formula, for the journey of different fracture of calcaneus types, fracture line direction of travel, fracture collapsed and comminuted and the broadening cripetura of calcaneus
Degree etc., operator can adjust the direction of lock screw and be fixed according to needing in art, not only contribute to using common spiral shell
The pressurized operation of and varus broadening by steel plate correction calcaneus is followed closely, and fixed axial direction lock screw can be avoided to enter fracture seam
Gap, fracture crushed zone or osteoporosises region and caused invalid fixation, improve the service efficiency and the whole series of many lock screw
The hold of system, plays more definite fixation to fracture of calcaneus that is more loose and crushing, it is to avoid loosening is moved back and followed closely and interior solid
Determine the generation of failure phenomenon, improve the operative effect of the miniature calcaneal steel plate.
Description of the drawings
Front views of the Fig. 1 for the miniature universal lock steel plate of calcaneus.
Side views of the Fig. 2 for the miniature universal lock steel plate of calcaneus.
Wherein：1- forearms, 2- postbrachiums, 3- linking arms, the universal hole of 4- open flume types, 5- are raised.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1-2, a kind of miniature universal lock steel plate of calcaneus, including forearm 1, postbrachium 2 and linking arm 3, forearm 1,
Postbrachium 2 and linking arm 3 are located at the plane of sustained height, and the side of the linking arm 3 is connected with forearm 1, the opposite side of linking arm 3
It is connected with postbrachium 2, the angle of linking arm 3 and forearm 1, linking arm 3 and postbrachium 2 is 70 degree, is respectively provided with forearm 1 and postbrachium 2
There is the universal hole 4 of open flume type, be provided with the universal hole 4 of multiple open flume types in the horizontal direction of linking arm 3, be additionally provided with linking arm 3
Raised 5 and raised 5 near postbrachium 2, is provided with multi-turn screw thread on the universal hole of open flume type 4.An open flume type is provided with raised 5
Universal hole 4, on forearm 1, the quantity in the universal hole of open flume type 4 is that two or more and the universal hole of open flume type 4 are arranged in front at equal intervals
On arm 1, on forearm 1, the axle center in the universal hole of open flume type 4 is located along the same line, and on postbrachium 2, the quantity in the universal hole of open flume type 4 is three
More than the individual and universal hole of open flume type 4 is arranged on postbrachium 2 at equal intervals, and on postbrachium 2, the axle center in the universal hole of open flume type 4 is located at same
On one straight line.Forearm 1 and postbrachium 2 adopt circular slab, linking arm 3 to be shaped as arch, and forearm 1, postbrachium 2 and linking arm 3 be equal
Made using titanium steel plate.
Operation principle of the present utility model is：The universal hole 4 of open flume type adopts universal lock hole, and universal lock hole can be with office
What angle is by screw placement and screw afterbody is locked with the screw of steel plate.Passed through veins of tarsal sinus otch and calcaneus by operator
Otch at rear two, and carry out between two otch along the extraperiosteal stripping in calcaneus lateral wall, tunnel on the outside of calcaneus is set up after joining forces.
After carrying out the reset of fracture of calcaneus, after the basic Bohler angles for correcting calcaneus, Gissanse angles, calcaneus height, length and width,
The miniature universal lock steel plate is forwardly inserted by operator by calcaneus rear otch, will forearm 1 first send into calcaneus rear otch
In, be placed on the outside of calcaneus lateral wall and calcaneus between and brevis and brevis tendon, forward promote insertion steel plate, make forearm 1 positioned at
Forward slip between and brevis and brevis tendon on the outside of bone lateral wall and calcaneus, via calcaneal tuberosity, corpora calcanei, outside fibula length
Tendon coaster, fracture area position and calcaneus prolapse, and steel plate front portion can be touched by Jing veins of tarsal sinus otch, make entirely to insert steel plate
It is placed in outside the periosteum of calcaneus lateral wall, forearm 1 is affixed on the position of calcaneus prolapse, postbrachium 2 is affixed on the position of calcaneal tuberosity, linking arm 3
It is placed in the position of corpora calcanei.Adjust after perspective after steel plate is located at satisfied position, select miniature universal lock steel plate forearm 1 and
In one to two holes in the universal hole of open flume type on postbrachium 24, the interior fixation of plain screw is carried out under direct-view, steel plate is pasted
Take in calcaneus lateral wall, while it is further to take in row in the broadening and varus using common lag screw by the steel plate to calcaneus
Correction, after having an X-rayed to the satisfaction of the position of steel plate, open flume type on forearm 1 and postbrachium 2 universal hole 4 is carried out into multiaxis as needed
Lock to screw, calcaneus prolapse is fixed by the universal hole 4 of open flume type on forearm 1 wherein, it is universal by the open flume type on postbrachium 2
Calcaneal tuberosity is fixed in hole 4.Corpora calcanei and sustentaculum tali are fixed by the universal hole 4 of open flume type on linking arm 3 and its raised 5, especially
It is that the fixation to sustentaculum tali is particularly important, is worn to sustentaculum tali by the front hole on linking arm 3 by adjusting angle of drill bit, due to carrying
Comparatively dense away from prominent sclerotin, the pulling force effect of screw can be realized in accurate direction, correct the broadening of sustentaculum tali, treat that screw is fixed
After being fully completed, can also carry out plain screw and replace to the former screw way of lock screw, so as to the arch for realizing fracture of calcaneus is fixed
And support.Because universal 4 quantity of hole of open flume type on linking arm 3 it is many, it is sufficient to the fracture of fixing different types, at the same be suitable to treatment
Comminuted fracture.And, by the universal hole 4 of open flume type on raised 5, it is on the basis of conventional fixed position to provide extra
Fixing point, to realize fixing the effective support of subtalar joint facial bone folded block.The steel plate belongs to calcaneus miniature steel plate, it is adaptable to
The minimally-invasive treatment of II, III, IV type fractures of calcaneus of Sanders, steel plate structure and screw distribution design succinct, more conventional conventional steel plates
Small volume and screw quantity are few, therefore the effect of each screw is very precious and important.Due to the classification of fracture of fracture of calcaneus
More, the trend of fracture line is also complex, and the universal hole of open flume type 4 can allow operator according to position, the type of fracture of calcaneus
And degree, the universal hole 4 of part or all of open flume type therein is selected accordingly, fracture is effectively fixed and is supported, is kept away
Screwless be implanted into into fracture gap, crushed zone or osteoporosises position institute caused by invalid fixation, while can also carry out by
Replacement of the plain screw to lock screw, solves to carry out resetting using common pulling force nail and afterbody cannot be locked and easily move back nail
Between contradiction.In addition, polyaxial screw locking, can further enhance the hold of steel plate screw fixation, so as to obtain more
Good fixed effect.The device more meets normal calcaneus anatomical structure compared with other miniature steel plates, meanwhile, its forearm 1 and postbrachium 2
On the universal hole 4 of open flume type, the universal hole of the open flume type on linking arm 3 and raised 54 can to calcaneus three-point mount of fracturing, so as to
Realize overall fixed.And, the little otch of insertion steel plate Jing veins of tarsal sinus and calcaneus posterolateral minimal incision are percutaneously inserted calcaneus lateral wall
And on the outside of calcaneus between tendon, be not required to extensively peel off calcaneus lateral cutaneous, reduce the iatrogenic injury in operation.Also, it is logical
The fixation of locking steel plate is crossed, is prevented lock screw from occurring to loosen or moving back nail, and different angles can be carried out as needed
It is fixed, locked with steel plate screw using lock screw tailing screw flight, improved the effective fixation to smashing fracture.The dress
Put and may be selected to be made up of titanium alloy material, plasticity is good, mechanical strength is high, can be carried out according to calcaneus lateral wall it is corresponding moulding,
So that the fixation of insertion steel plate is properer, reliable；And titanium alloy material histocompatibility is good, after implantation, foreign material repulsion reaction is little.
The device profile meets the anatomic form of calcaneus, is conducive to Interal fixation in ideal zone, provides for fracture of calcaneus
Fixed in preferably, all screws of the device adopt the universal hole 4 of open flume type, for different fracture of calcaneus types, fracture
Degree of line direction of travel, fracture collapsed and comminuted and the broadening cripetura of calcaneus etc., operator can adjust lock according to needing in art
The direction for determining screw is fixed, and not only contributes to the pressurization behaviour using plain screw broadening and varus by steel plate correction calcaneus
Make, and fixed axial direction lock screw can be avoided to enter fracture gap, fracture crushed zone or osteoporosises region and cause
Invalid fixation, improve the service efficiency of many lock screw and the hold of whole system, to calcaneus that are more loose and crushing
Fracture plays more definite fixation, it is to avoid the generation of nail and fixation failure phenomenon is moved back in loosening, improves the miniature calcaneal steel plate
Operative effect.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective
Various changes can be made.
Claims (3)
1. the miniature universal lock steel plate of a kind of calcaneus, it is characterised in that including forearm, postbrachium and linking arm, forearm, postbrachium and company
Plane of the arm positioned at sustained height is connect, the side of the linking arm is connected with forearm, and the opposite side of linking arm is connected with postbrachium, even
The angle for connecing arm and forearm, linking arm and postbrachium is 70 degree, is provided with the universal hole of open flume type, linking arm on forearm and postbrachium
Horizontal direction on be provided with the universal hole of multiple open flume types, be additionally provided with projection on linking arm and raised near postbrachium, fluting
Formula is provided with multi-turn screw thread on universal hole.
2. the miniature universal lock steel plate of calcaneus according to claim 1, it is characterised in that be provided with the projection
The universal hole of open flume type, on forearm, the quantity in the universal hole of open flume type is that two or more and the universal hole of open flume type are arranged at equal intervals
On forearm, on forearm, the axle center in the universal hole of open flume type is located along the same line, and on postbrachium, the quantity in the universal hole of open flume type is three
Above and the universal hole of open flume type is arranged on postbrachium at equal intervals, on postbrachium, the axle center in the universal hole of open flume type is located at same straight line
On.
3. the miniature universal lock steel plate of calcaneus according to claim 1 and 2, it is characterised in that the forearm and postbrachium are equal
Using circular slab, linking arm is shaped as arch, and forearm, postbrachium and linking arm made using titanium steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620474240.XU CN206026407U (en) | 2016-05-23 | 2016-05-23 | Miniature universal locking plate of calcaneum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620474240.XU CN206026407U (en) | 2016-05-23 | 2016-05-23 | Miniature universal locking plate of calcaneum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206026407U true CN206026407U (en) | 2017-03-22 |
Family
ID=58312281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620474240.XU Expired - Fee Related CN206026407U (en) | 2016-05-23 | 2016-05-23 | Miniature universal locking plate of calcaneum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206026407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259840A (en) * | 2018-10-26 | 2019-01-25 | 南方医科大学第三附属医院（广东省骨科研究院） | A kind of fracture of neck of talus neck of talus universal locking device |
| CN109528285A (en) * | 2018-11-26 | 2019-03-29 | 创美得医疗器械（天津）有限公司 | Microtrauma type is with bone plate Universal locking fracture bone plate |
-
2016
- 2016-05-23 CN CN201620474240.XU patent/CN206026407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259840A (en) * | 2018-10-26 | 2019-01-25 | 南方医科大学第三附属医院（广东省骨科研究院） | A kind of fracture of neck of talus neck of talus universal locking device |
| CN109528285A (en) * | 2018-11-26 | 2019-03-29 | 创美得医疗器械（天津）有限公司 | Microtrauma type is with bone plate Universal locking fracture bone plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20200523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |