CN211723385U - Steel plate screw system for calcaneal osteotomy - Google Patents
Steel plate screw system for calcaneal osteotomy Download PDFInfo
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- CN211723385U CN211723385U CN201921113575.9U CN201921113575U CN211723385U CN 211723385 U CN211723385 U CN 211723385U CN 201921113575 U CN201921113575 U CN 201921113575U CN 211723385 U CN211723385 U CN 211723385U
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Abstract
The application discloses steel sheet screw system for calcaneum osteotomy, including the steel sheet, the steel sheet is L type structure, first curb plate and second curb plate including outer wall mutually perpendicular sets up, the fixed orifices has been processed respectively in first curb plate and the second curb plate, the fixed orifices corresponds perpendicular to respectively the inner wall of first curb plate and second curb plate, in the first curb plate the number of fixed orifices is one, in the second curb plate the number of fixed orifices is two, be provided with dismantled and assembled screw in the fixed orifices. The steel plate screw system for the calcaneus osteotomy is an internal fixation implant specially used for calcaneus osteotomy, is simple in structure, accords with an anatomical curve, and improves an operation effect.
Description
Technical Field
The present application relates to first aid and rehabilitation, and more particularly to a steel plate screw system for calcaneal osteotomy.
Background
The treatment of the problems of calcaneus deformity caused by deformity healing after calcaneus fracture, bad force line of ankle of a patient, difficulty in walking, pain and the like is generally carried out by adopting a calcaneus osteotomy mode, and the aim of treatment is achieved by recovering the anatomical angle of the calcaneus. At present, no internal fixation implant specially used for calcaneus osteotomy exists in the market, the calcaneus anatomical locking steel plate is usually adopted for the operation, the internal implant in the operation does not conform to an anatomical curve, and the loss of a force line and an angle of the heel bone after the operation is easily caused, so that the expected effect of the operation is influenced. In addition, the locking of the internal implant often causes cold welding of the connection between the screw and the steel plate, which causes difficulty in taking out the internal implant and brings much trouble to patients and doctors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel sheet screw system for calcaneum osteotomy to overcome not enough among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the embodiment of the application discloses a steel sheet screw system for calcaneum osteotomy, including the steel sheet, the steel sheet is L type structure, first curb plate and second curb plate including outer wall mutually perpendicular sets up, the fixed orifices has been processed respectively in first curb plate and the second curb plate, the fixed orifices is the perpendicular to respectively and corresponds the inner wall of first curb plate and second curb plate, in the first curb plate the number of fixed orifices is one, in the second curb plate the number of fixed orifices is two, be provided with dismantled and assembled screw in the fixed orifices.
Preferably, in the above-described plate screw system for calcaneal osteotomy, the screw includes a head, a polish rod, and a screw rod connected in sequence.
Preferably, in the above steel plate screw system for calcaneal osteotomy, the fixing hole is a morse taper hole, a diameter of the fixing hole gradually decreases along a direction from inside to outside corresponding to the first side plate or the second side plate, and the head is a morse taper structure corresponding to the fixing hole.
Preferably, in the above-mentioned steel plate screw system for calcaneal osteotomy, a section of the fixation hole located on the inner wall of the first side plate or the second side plate is processed with a chamfer, the chamfer is of a spherical structure, and a limiting boss corresponding to the chamfer is convexly extended at one end of the head deviating from the polish rod.
Preferably, in the above steel plate screw system for calcaneal osteotomy, one end of the head portion near the polish rod is provided with a slope, and the angle of the slope is greater than the taper of the head portion.
Preferably, in the above-described plate screw system for calcaneal osteotomy, the end of the screw rod facing away from the polish rod is machined with three self-tapping self-drilling holes.
Preferably, in the above steel plate screw system for calcaneal osteotomy, two guide pin holes are respectively formed in the first side plate and the second side plate.
Preferably, in the above-mentioned plate screw system for calcaneal osteotomy, an end of the first side plate facing away from the second side plate has a tapered configuration.
Compared with the prior art, the utility model has the advantages of: a steel sheet screw system for calcaneum osteotomy is the internal fixation implant that is used for the calcaneum to cut the bone specially, simple structure accords with the dissection curve, improves the operation effect, is provided with the guide pin hole on the steel sheet for the interim fixed of steel sheet, the static moment of torsion that obtains after steel sheet and the linking of screw morse's tapering can make steel sheet and screw firm become a whole.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a plate screw system for calcaneal osteotomy according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a steel plate according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.
Fig. 4 is a schematic structural view of a screw according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the steel plate screw system for calcaneal osteotomy in the embodiment includes a steel plate 1, the steel plate 1 is of an L-shaped structure, and includes a first side plate 11 and a second side plate 12, where outer walls of the first side plate 11 and the second side plate 12 are perpendicular to each other, fixing holes 13 are respectively processed in the first side plate 11 and the second side plate 12, the fixing holes 13 are respectively perpendicular to inner walls of the corresponding first side plate 11 and the corresponding second side plate 12, the number of the fixing holes 13 in the first side plate 11 is one, the number of the fixing holes 13 in the second side plate 12 is two, and detachable screws 2 are arranged in the fixing holes 13.
Among this technical scheme, the steel sheet is formed by the biocompatible material of the known type's titanium alloy or stainless steel such as being used for surgery operation, the height of second curb plate can set up multiple specification according to the orthopedic demand of not co-altitude calcaneum osteotomy, the inner wall of second curb plate is 120 contained angles setting with the inner wall of first curb plate, the convenient processing that corresponds the fixed orifices, each edge abate of steel sheet, the steel sheet is L type structure, overall dimension is less, convenient wicresoft implants, the incisional mark has also been reduced simultaneously, reduce the stimulation to calcaneum skin, soft tissue.
Further, the screw 2 includes a head 21, a polish rod 22, and a screw 23, which are sequentially disposed.
In the technical scheme, the screw adopts a half-thread design, so that the screw can obtain sufficient pressure, and the operation efficiency is improved.
Further, the fixing hole 13 is a morse taper hole, the diameter of the fixing hole 13 gradually decreases from the inside to the outside along the direction corresponding to the first side plate 11 or the second side plate 12, and the head 21 is a morse taper structure corresponding to the fixing hole 13.
In this technical scheme, the morse taper is used for interference fit to accurately position. Because the taper is very little, utilize the principle of frictional force, obtain great static moment of torsion, can make steel sheet and screw firm one whole, improve the stability of postoperative system, because again be taper fit, so convenient dismantlement.
Furthermore, a section of the fixing hole 13 located on the inner wall of the first side plate 11 or the second side plate 12 is processed with a chamfer 131, the chamfer 131 is a spherical structure, and a limiting boss 211 corresponding to the chamfer 131 is protruded from one end of the head 21 away from the polish rod 22.
In the technical scheme, the spherical chamfer is matched with the limiting boss at the head of the screw to play a limiting role and prevent the screw from penetrating out of the steel plate.
Further, a slope 212 is formed at an angle of 30 ° with the screw axis at the end of the head 21 close to the polish rod 22.
According to the technical scheme, the slope surface at the tail end of the head can provide the maximum pressure to the calcaneus bone block when the screw is screwed in.
Further, the end of the screw 23 facing away from the polished rod 22 is machined with three self-tapping self-drilling holes 231.
Among the above-mentioned technical scheme, make things convenient for the operation in the operation, improve operation efficiency, reduce operation time.
Furthermore, two guide pin holes 14 of the fixing hole 13 are respectively processed in the first side plate 11 and the second side plate 12.
In the technical scheme, the guide pin hole is matched with a Kirschner wire and the like and used for temporarily fixing the steel plate.
Further, the end of the first side plate 11 facing away from the second side plate 12 is in a conical structure.
In the technical scheme, the tail end of the first side plate is designed into a tapered structure, the minimally invasive implantation of the internal implant is facilitated through the overall dimension of the small internal implant, the incisura is reduced, and the stimulation to calcaneus skin and soft tissues is reduced.
To sum up, a steel sheet screw system for calcaneum osteotomy is the internal fixation implant that is used for the calcaneum to cut the bone specially, simple structure accords with the dissection curve, improves the operation effect, is provided with the guide pin hole on the steel sheet for the interim fixing of steel sheet, the quiet moment of torsion that obtains after steel sheet and the linking of screw morse's tapering can make steel sheet and screw firm become a whole.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (8)
1. The utility model provides a steel sheet screw system for calcaneum osteotomy, a serial communication port, includes the steel sheet, the steel sheet is L type structure, first curb plate and second curb plate including outer wall mutually perpendicular sets up, the fixed orifices has been processed respectively in first curb plate and the second curb plate, the fixed orifices corresponds perpendicular to respectively the inner wall of first curb plate and second curb plate, in the first curb plate the number of fixed orifices is one, in the second curb plate the number of fixed orifices is two, be provided with dismantled and assembled screw in the fixed orifices.
2. The plate screw system for calcaneal osteotomy of claim 1, wherein: the screw comprises a head, a polished rod and a screw rod which are connected in sequence.
3. The plate screw system for calcaneal osteotomy of claim 2, wherein: the fixing hole is a Morse taper hole, the diameter of the fixing hole is gradually reduced along the direction from inside to outside corresponding to the first side plate or the second side plate, and the head is of a Morse taper structure correspondingly arranged with the fixing hole.
4. The plate screw system for calcaneal osteotomy of claim 3, wherein: the fixed orifices is located a section of first curb plate or second curb plate inner wall is processed there is the chamfer, the chamfer is spherical structure, the protruding limit boss that has stretched of the one end that the head deviates from the polished rod with the chamfer corresponds the setting.
5. The plate screw system for calcaneal osteotomy of claim 2, wherein: the head is close to the one end processing of polished rod has domatic, domatic angle is greater than the tapering of head.
6. The plate screw system for calcaneal osteotomy of claim 2, wherein: and one end of the screw rod, which is far away from the polished rod, is provided with three self-tapping self-drilling holes.
7. The plate screw system for calcaneal osteotomy of claim 1, wherein: two guide pin holes of a fixed hole are respectively processed in the first side plate and the second side plate.
8. The plate screw system for calcaneal osteotomy of claim 1, wherein: one end of the first side plate, which is far away from the second side plate, is of a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113575.9U CN211723385U (en) | 2019-07-16 | 2019-07-16 | Steel plate screw system for calcaneal osteotomy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113575.9U CN211723385U (en) | 2019-07-16 | 2019-07-16 | Steel plate screw system for calcaneal osteotomy |
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| Publication Number | Publication Date |
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| CN211723385U true CN211723385U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921113575.9U Active CN211723385U (en) | 2019-07-16 | 2019-07-16 | Steel plate screw system for calcaneal osteotomy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215268A (en) * | 2019-07-16 | 2019-09-10 | 苏州欣荣博尔特医疗器械有限公司 | Steel plate screw system for osteotomy of calcaneus art |
| CN112357073A (en) * | 2020-11-12 | 2021-02-12 | 国家电网有限公司 | Multi-rotor aircraft for power line inspection |
-
2019
- 2019-07-16 CN CN201921113575.9U patent/CN211723385U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215268A (en) * | 2019-07-16 | 2019-09-10 | 苏州欣荣博尔特医疗器械有限公司 | Steel plate screw system for osteotomy of calcaneus art |
| CN112357073A (en) * | 2020-11-12 | 2021-02-12 | 国家电网有限公司 | Multi-rotor aircraft for power line inspection |
| CN112357073B (en) * | 2020-11-12 | 2022-10-11 | 国家电网有限公司 | Multi-rotor aircraft for power line inspection |
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