CN201759655U - Orthopaedic flexible fixing device - Google Patents
Orthopaedic flexible fixing device Download PDFInfo
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- CN201759655U CN201759655U CN2010202532024U CN201020253202U CN201759655U CN 201759655 U CN201759655 U CN 201759655U CN 2010202532024 U CN2010202532024 U CN 2010202532024U CN 201020253202 U CN201020253202 U CN 201020253202U CN 201759655 U CN201759655 U CN 201759655U
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- screw
- fixing device
- orthopaedic
- fastening rope
- flexible fixing
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Abstract
The utility model relates to an orthopaedic flexible fixing device which belongs to the technical field of orthopaedic medical apparatuses. The orthopaedic flexible fixing device is used for carrying out elastic fixation on orthopaedic injury. The orthopaedic flexible fixing device comprises a screw, a nut, a fastening rope and a stopper piece, wherein the front end of the screw is sharp, and the rear end is connected with one end of the fastening rope; the other end of the fastening rope is connected with the stopper piece; the diameter of the screw is 3-5mm; the nut is matched with the screw, of which the middle is provided with a breaking groove; the breaking groove is a continuous groove around the circumference of the screw; and the bottom of the groove is in an acute angle. When the orthopaedic flexible fixing device is adopted, the screw screwed with the nut and the stopper piece are respectively arranged at both sides of a lower tibiofibular joint or an acromioclavicular joint to be fixed, and the middle of the lower tibiofibular joint or the acromioclavicular joint to be fixed is tensioned by the fastening rope to carry out flexible fixation. Compared with the traditional rigid fixing device, the utility model has the advantages that the wound is less so that less damage is brought to the soft tissue, the surgery time is short so that the influence of anesthesia on patients can be lightened, the postoperation recovery time of the patients is short so that the medical burdens of the patients and society are lightened, the operation is simple and convenient, and the popularization is convenient.
Description
Technical field
The present invention relates to the device that carries out skeletal fixation in the treatment of a kind of orthopedics injuries, belong to the orthopedic medical device technical field.
Background technology
In the treatment of orthopedics injuries, fixedly be important link wherein, therefore receive great concern, and constantly carrying out technical improvement, in the hope of reaching better therapeutic effect.Find that in treatment clinical course the present lower tibiofibula separation and the certain defective of fixedly existence of dislocation of shoulder are necessary to be improved.
Jower tibiofibular joint is made up of syndesmosis, pleat and synostosis three parts, and the Jower tibiofibular joint structure firmly but also flexible, had been the important rock-steady structure that guarantees the ankle joint proper motion not only.It is clinical common damage that lower tibiofibula separates, and can cause outside the ankle joint shakiness, because the change of ankle joint contact area and biomechanics characteristic thereof, possible secondary osteoarthritis increases the weight of the ankle joint infringement.Lower tibiofibula links the treatment of damage should keep flexible fastening.At present, the isolating early operation internal fixation of acute lower tibiofibula is still main treatment means, and modus operandi commonly used is to reset to use lag screw after the Jower tibiofibular joint and fix, however this fixedly be strong fixing, do not meet the biomechanics characteristic of Jower tibiofibular joint, should go flexible fastening.
Acromioclavicular joint dislocation mostly is the direct violence damage, and shoulder is subjected to directly clashing into causing injury in vehicle accident.When this position fracture or dislocation, can cause and close on ligament damage in various degree, cause the shoulder joint function obstacle.The operation method of acromioclavicular joint dislocation is a lot, and the Kirschner wire tension band is fixed in traditional having, fixation with steel wire etc., and Kirschner wire is deviate from, fixing not firm and shortcoming such as shakiness before and after causing but these methods have.Clavicle hook plate treatment acromioclavicular joint dislocation, though respond well, these operation method wounds are big, and soft tissue injury is heavy, and hook plate passes under acromion, produce under the acromion when the upper limb abduction easily and clash into, and price is comparatively expensive.In addition, this acromioclavicular joint that fixedly do not meet has certain elastic biomechanics characteristic, therefore is necessary to improve apparatus and improves therapeutic effect.
Summary of the invention
Technical problem to be solved by this invention provides a kind ofly can carry out flexible fastening to orthopedics injuries, has that wound is little, operating time short, post-operative recovery is fast, the medical flexible fixture of the simple and convenient advantage of operation.
The technical scheme that solves the problems of the technologies described above is:
A kind of flexible fixing device for orthopedics, it is made up of screw, nut, fastening rope, catch, and the screw front end is sharp-pointed, and the rear end is connected with fastening rope one end, and the other end of fastening rope connects catch, and the diameter of screw is 2-5mm, and nut is complementary with it.
Above-mentioned flexible fixing device for orthopedics, there is snap slot at the middle part of described screw, and snap slot is that the bottom of groove is an acute angle perpendicular to screw axis, around the continuous groove of circumferential screw.
Above-mentioned flexible fixing device for orthopedics, described catch are the circle metal plate of diameter greater than 5mm, and fastening rope is connected the center of catch.
Above-mentioned flexible fixing device for orthopedics, described catch is made up of annulus and backing pin, and fastening rope is connected on the annulus, and backing pin is inserted in the annulus, and the length of backing pin is 3-10mm.
Beneficial effect of the present invention is:
The screw and the catch that screw nut are placed at fixed Jower tibiofibular joint of needs or acromioclavicular joint both sides respectively, and middle the enforcement flexible fastening is compared with traditional rigidly fixing with fastening rope tension, and its advantage is:
1. wound is little, and is little to soft tissue injury;
2. operating time is short, can alleviate the influence of anesthesia to the patient;
3. patient's post-operative recovery time weak point heals smoothly, alleviates the medical burden of patient and society;
4. this technical operation is easy, is convenient to promote at basic hospital.
Description of drawings
Fig. 1 is user mode figure of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is an another kind of structural representation of the present invention;
Fig. 4 is an another kind of structural representation of the present invention.
Labelling is as follows among the figure: screw 1, nut 2, fastening rope 3, catch 4, snap slot 5, annulus 6, backing pin 7, skeleton 8.
The specific embodiment
Show among the figure that the present invention is made up of screw 1, nut 2, fastening rope 3, catch 4.
Screw 1 front end is sharp-pointed, and there is snap slot 5 at the middle part, and the rear end is connected with an end of fastening rope 3.Snap slot 5 is that the bottom of groove is an acute angle, is convenient to fracture perpendicular to screw axis, around the continuous groove of circumferential screw.Screw 1 diameter is 2-5mm, and nut 2 is complementary with it.
Fastening rope 3 is a flexible cable, can make by high strength silk threads such as titanium alloy wire, high-strength ceramic line, stainless steel silks, the length of fastening rope 3 has plurality of specifications, preparation in advance as required, the doctor will select for use according to patient's situation, so that can make fastening rope 3 reach the tensioning degree of expection after screwing nut 2.The other end of fastening rope 3 connects catch 4.
The effect of catch 4 is to strain fastening rope 3 at the opposite side of skeleton 8, and its structure can have various ways.The catch 4 of the embodiment that Fig. 2 shows is the circle metal plate of diameter greater than 5mm, and fastening rope 3 is connected the center of catch 4; The catch 4 of the embodiment that Fig. 3 shows is made up of annulus 6 and backing pin 7, and fastening rope 3 is connected on the annulus 6, and backing pin 7 is inserted in the annulus 6, and the length of backing pin 7 in the middle of backing pin two ends diameter can be a bit larger tham, avoids annulus to skid off greater than being 3-10mm.It is described that the structure of catch 4 is not limited to these two kinds of embodiment, and the every structure that can strain fastening rope 3 at skeleton 8 opposite sides all should be the object that the present invention protects.
The embodiment that Fig. 4 shows is the situation that adopts two flexible fixing devices.In operation, can adopt plural flexible fixing device to fix simultaneously, what show among the figure is that the annulus 6 of these two flexible fixing devices is fixing by a backing pin 7, and the annulus 6 of these two flexible fixing devices also can be fixed by own backing pin 7 respectively voluntarily certainly.
Below be to reset to use process of the present invention in the Jower tibiofibular joint:
After anaesthetizing successfully, Jower tibiofibular joint at first resets, hole according to selection tibiofibula far-end side position intermediate by perspective, be screwed into the front end of screw 1 then, passing the back uses supporting nut 2 to be enclosed within on the screw 1, screw screw 1, strain intermediary fastening rope 3 (adopting the high strength titanium cable), fixing then.5 places fracture screw 1 from snap slot, the layer-by-layer suture soft tissue.For avoiding the high-strength filaments cutting osseous tissue of fastening rope 3, can use 2-3 to overlap this type of fixture, it is to avoid this 2-3 sleeve fixture mechanism on same plane that (see figure 4) is still put, and reaches the fixed effect of 3 D stereo.
It is the same to use the operation main points that the present invention treats acromioclavicular joint dislocation.
Claims (4)
1. flexible fixing device for orthopedics, it is characterized in that: it is made up of screw [1], nut [2], fastening rope [3], catch [4], screw [1] front end is sharp-pointed, the rear end is connected with fastening rope [3] one ends, the other end of fastening rope [3] connects catch [4], the diameter of screw [1] is 3-5mm, and nut [2] is complementary with it.
2. flexible fixing device for orthopedics according to claim 1 is characterized in that: there is snap slot [5] at the middle part of described screw [1], and snap slot [5] is that the bottom of groove is an acute angle perpendicular to screw axis, around the continuous groove of circumferential screw.
3. flexible fixing device for orthopedics according to claim 2 is characterized in that: described catch [4] is the circle metal plate of diameter greater than 5mm, and fastening rope [3] is connected the center of catch [4].
4. flexible fixing device for orthopedics according to claim 3 is characterized in that: described catch [4] is made up of annulus [6] and backing pin [7], and fastening rope [3] is connected on the annulus [6], and backing pin [7] is inserted in the annulus [6], and the length of backing pin [7] is 3-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202532024U CN201759655U (en) | 2010-07-09 | 2010-07-09 | Orthopaedic flexible fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202532024U CN201759655U (en) | 2010-07-09 | 2010-07-09 | Orthopaedic flexible fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201759655U true CN201759655U (en) | 2011-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202532024U Expired - Lifetime CN201759655U (en) | 2010-07-09 | 2010-07-09 | Orthopaedic flexible fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201759655U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884563A (en) * | 2010-07-09 | 2010-11-17 | 张英泽 | Flexible fixing device for orthopedics |
| CN102488546A (en) * | 2011-11-15 | 2012-06-13 | 叶立民 | Cylindrical tension band pressurizing fixing apparatus for patellar fracture and service method of cylindrical tension band pressurizing fixing apparatus |
| CN107280755A (en) * | 2017-06-09 | 2017-10-24 | 青岛迈恩特医学科技有限公司 | A kind of minimally invasive fixed bracing means of orthopaedics fracture |
-
2010
- 2010-07-09 CN CN2010202532024U patent/CN201759655U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884563A (en) * | 2010-07-09 | 2010-11-17 | 张英泽 | Flexible fixing device for orthopedics |
| CN102488546A (en) * | 2011-11-15 | 2012-06-13 | 叶立民 | Cylindrical tension band pressurizing fixing apparatus for patellar fracture and service method of cylindrical tension band pressurizing fixing apparatus |
| CN107280755A (en) * | 2017-06-09 | 2017-10-24 | 青岛迈恩特医学科技有限公司 | A kind of minimally invasive fixed bracing means of orthopaedics fracture |
| CN107280755B (en) * | 2017-06-09 | 2023-11-17 | 山东美珂医疗科技有限公司 | Minimally invasive fixation and reinforcement device for bone fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110316 Effective date of abandoning: 20120321 |