CN206228411U - Reversible lock fixed pattern absorptive bundling belt - Google Patents
Reversible lock fixed pattern absorptive bundling belt Download PDFInfo
- Publication number
- CN206228411U CN206228411U CN201620898759.0U CN201620898759U CN206228411U CN 206228411 U CN206228411 U CN 206228411U CN 201620898759 U CN201620898759 U CN 201620898759U CN 206228411 U CN206228411 U CN 206228411U
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- China
- Prior art keywords
- dead bolt
- seeker
- bandage
- bidirectional locking
- bundling belt
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Abstract
A kind of reversible lock fixed pattern absorptive bundling belt of the utility model, the bundling belt is made up of Bidirectional locking button and bandage, and the Bidirectional locking button and bandage are made of biodegradable macromolecular material；The Bidirectional locking fastener has the first dead bolt and the second dead bolt being oppositely arranged, and engaging tooth is provided with the first dead bolt and the second dead bolt；The left end of the bandage is the first seeker, and right-hand member is the second seeker, is belt body between the first seeker and the second seeker, and the one side of the belt body is shiny surface, and another side is pawl face；Into engaging structure, engaging tooth shape in the second seeker and second dead bolt is into engaging structure for engaging tooth shape in first seeker and first dead bolt.The utility model have the advantages that mechanical strength high, good biocompatibility, biomechanical principle that is simple to operate, meeting knitting, in vivo gradually degrade and finally absorb, fracture fixation position uniform force can not only be made, and can be absorbed by the body.
Description
Technical field
The utility model is related to orthopaedics to bundle fixed apparatus, specifically a kind of reversible lock fixed pattern absorptive bundling
Band.
Background technology
Select suitable inside-fixture quite important during fractures, otherwise easily cause Endodontic failure.Clinical treatment
Easily there is corrosion and stress shielding causes cortex osteoporosis based on metal material in human body in the inside-fixture of fracture；In addition
Need second operation to remove after union, second fracture can be caused.In order to overcome the defect of metal internal fixation material, from 20th century 60
Foreign countries begin to study absorbable internal fixation material from age.China is relative to start late, in the nineties in 20th century to absorbable
Bone fracture internal fixation material has relevant report.At present, be applied to fracture fixation absorbable material product for bioabsorbable interference screw,
Bone plate, mostly PLA and such polymer, PLA by U.S. FDA certification, are widely used in clinical treatment.
Fixation is a kind of simple Fracture internal fixaiion technology in binding, be can be used alone, also can be with other apparatuses such as steel
Plate, intramedullary nail, Kirschner wire etc. are used in combination.Conventional binding internal fixation device is more based on steel wire or the binding of titanium cable.Steel wire has
There is damage small, tensile strength is big, simple operation and other advantages, but steel wire circular wrappings press, and cause local sclerotin osteocyte to absorb, skin
Qualitative change is thin, and the ability of the shearing force such as resistance rotation, folding declines, easy secondary fracture.Steel wire is thinner, and contact area is small, cuts broken bone piece,
There is certain destruction to cortex of bone blood fortune, easily embedded by poroma, steel wire is difficult to the shortcomings of taking out in the future.The difference of titanium cable and steel wire
It is the design for improving joint, the fixation of tightening of steel wire end is changed to separately fix its end with 1 piece of Screw, reduces steel
Stimulation of the silk sharp tips to organizing, prevents it from passing outside skin, also prevent the skidding and loosening of steel wire, but in atlas and axis not
In stabilization treatment, postoperative loosening, fracture happen occasionally, and some even cause spinal cord injury, for the elderly of osteoporosis
Also there is the possibility of cutting damage sclerotin in the young children patient flexible with sclerotin.Titanium cable needs specific when second operation is removed
Apparatus, increase operating time, its price is higher, and its application is limited to a certain extent.
At present majority bundling belts exist binding pressure it is uneven, that is, fix one end and other end stretching stress, make fixation
End stress is larger, causes overall unbalance stress, it is impossible to which stabilization is fixed.The bundling belt of metal material is produced during knitting should
Power is blocked, and causes osteoporosis or secondary fracture.
Utility model content
The purpose of this utility model is to provide a kind of reversible lock fixed pattern absorptive bundling belt, to overcome majority bundling belt at present
Can not stablize the problem of fixed fracture area because binding pressure is uneven.
A kind of reversible lock fixed pattern absorptive bundling belt, the bundling belt is made up of Bidirectional locking button and bandage, described two-way
Tab and bandage are made of biodegradable macromolecular material；The Bidirectional locking fastener has the first lock being oppositely arranged
Tongue and the second dead bolt, engaging tooth is provided with the first dead bolt and the second dead bolt；The left end of the bandage is the first seeker,
Right-hand member is the second seeker, is belt body between the first seeker and the second seeker, and the one side of the belt body is shiny surface, another
Face is pawl face；First seeker guides the pawl face of the belt body and first dead bolt by the tongue mouthful insertion of the first dead bolt
Interior engaging tooth shape into engaging structure, the second seeker by the second dead bolt tongue mouthful insertion, guide the pawl face of the belt body with
Engaging tooth shape in second dead bolt is into engaging structure.
Described reversible lock fixed pattern absorptive bundling belt, the length of the Bidirectional locking button is the belt body width of the bandage
2 ~ 2.5 times.
Described reversible lock fixed pattern absorptive bundling belt, the length of the bandage is 80mm-240mm, and width is 1mm-
5mm, thickness is 0.5mm-2mm.
Described reversible lock fixed pattern absorptive bundling belt, the Bidirectional locking button is with two parallel rectangular through-holes
Cuboid, first dead bolt and second dead bolt are respectively arranged in the through hole, and each dead bolt is provided with 3-4 engagement
Tooth.
, using two-way parallel tab design, the leading end of bundling belt is to two dead bolts are each passed through, making for the utility model
Pawl face is contacted with bone photo, plays holding and belt body is difficult to slip, and shiny surface is contacted with soft tissue and do not cause damage.According to solid
Determine the two-way adjustment tape body length in position, the strength for tightening up bundling belt is farthest utilized, make fracture fixation position stress equal
Weighing apparatus, reaches stabilization fixation.Bidirectional locking button in same level, is fitted closely with bundling belt with fracture site, effectively firmly
Fixed sclerite.Using absorbable material, gradually degraded with union, its stress is gradually transferred on bone, effectively
Stress shielding is avoided, without secondary taking-up, medical expense is reduced.Bidirectional locking absorptive bundling belt of the present utility model, has
Mechanical strength is high, good biocompatibility, biomechanical principle that is simple to operate, meeting knitting, in vivo gradually degraded and final
The advantage of absorption, can not only make fracture fixation position uniform force, and can be absorbed by the body.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model bundling belt schematic diagram.
Fig. 3 is the utility model Bidirectional locking button front schematic view.
Fig. 4 is the utility model Bidirectional locking button reverse side schematic diagram.
In figure：1st, Bidirectional locking button, 2, bandage, 3, shiny surface, 4, pawl face, the 5, first seeker, the 6, first dead bolt, 7,
Second seeker, the 8, second dead bolt.
Specific embodiment
As shown in Figure 1 and Figure 2, originally new to be made up of Bidirectional locking button 1 and bandage 2, Bidirectional locking button 1 and bandage 2 are used
Biodegradable macromolecular material is made, macromolecular material used include PLA, polyglycolic acid, PPDO,
Polycaprolactone and above-mentioned any one or a few copolymer.
Bidirectional locking button 1（See Fig. 4）It is molded by PLA, being one has the rectangular of two Parallel Rectangular through holes
Body, the length of the cuboid is 2-2.5 times of the belt body width of bandage 2, and the width of rectangular through-hole is equal to the belt body of bandage 2 thereon
Width.The first dead bolt 6 and the second dead bolt 8 are respectively arranged with two rectangular through-holes（See Fig. 3）, and the first dead bolt 6 and
Two dead bolts 8 are oppositely arranged, and 3-4 engaging tooth is provided with the first dead bolt and the second dead bolt.
2 points of bandage is three sections, is formed using PPDO spinning braiding, and left end and right-hand member are respectively the first guiding
The two sides of head and the second seeker, the first seeker and the second seeker is shiny surface, the first seeker and the second seeker
Between section be stage casing, stage casing is belt body portion, and the one side of belt body is provided with pawl, is pawl face 4, and another side is smooth
Face 3.
In this example, the length of Bidirectional locking button 1 is 15mm, 10mm wide, 4mm high；The length of bandage 2 be 200mm, 5mm wide,
Thick 1.5mm, can be used in combination with intramedullary nail, intramedullary nail Medullary fixation bone piece, by the first seeker 5 by the first dead bolt 6 when using
Tongue mouthful insertion, guide the engaging tooth shape on the pawl and the first dead bolt 6 on the pawl face 4 of belt body into engaging structure, second draws
Top guide 7 from the second dead bolt 8 tongue mouthful to insertion, guiding the engaging tooth on the pawl and the second dead bolt 8 on the pawl face 4 of belt body
Engaging structure is formed, bandage 2 is stretched round about, according to binding position adjustment bandage 2, on engaging tooth and the pawl face 4 of bandage 2
Pawl coincide, can effectively prevent reversely loosening.The cerclage of bandage 2 fixes free bone fragment or bone section position, and pawl face 4 connects with bone
Touch, shiny surface 3 is contacted with bone surrounding tissue.Because bandage 2 has one fixed width, free bone fragment or the suffered binding stabilization of bone section can be made solid
Fixed and pressure is uniform, surplus straining straps 2 is cut and is hidden in Bidirectional locking button, is prevented effectively from the bundling belt broken ends of fractured bone and causes soft tissue injury
Or penetrate skin.According to long bone oblique fracture degree and position, one or more absorptive bundling belt can be used.
Claims (4)
1. a kind of reversible lock fixed pattern absorptive bundling belt, it is characterized in that, the bundling belt is made up of Bidirectional locking button and bandage, institute
Bidirectional locking button and bandage is stated to be made of biodegradable macromolecular material；The Bidirectional locking fastener has what is be oppositely arranged
First dead bolt and the second dead bolt, engaging tooth is provided with the first dead bolt and the second dead bolt；The left end of the bandage is first
Seeker, right-hand member is the second seeker, is belt body between the first seeker and the second seeker, and the one side of the belt body is smooth
Face, another side is pawl face；First seeker guides the pawl face of the belt body with described the by the tongue mouthful insertion of the first dead bolt
Into engaging structure, the second seeker guides falling for the belt body to engaging tooth shape in one dead bolt by the tongue mouthful insertion of the second dead bolt
Engaging tooth shape in the flank of tooth and second dead bolt is into engaging structure.
2. reversible lock fixed pattern absorptive bundling belt according to claim 1, it is characterized in that, the length of the Bidirectional locking button
It is 2 ~ 2.5 times of the belt body width of the bandage.
3. reversible lock fixed pattern absorptive bundling belt according to claim 1, it is characterized in that, the length of the bandage is
80mm-240mm, width is 1mm-5mm, and thickness is 0.5mm-2mm.
4. reversible lock fixed pattern absorptive bundling belt according to claim 1, it is characterized in that, the Bidirectional locking button be with
Two cuboids of parallel rectangular through-hole, first dead bolt and second dead bolt are respectively arranged in the through hole, often
Individual dead bolt is provided with 3-4 engaging tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620898759.0U CN206228411U (en) | 2016-08-18 | 2016-08-18 | Reversible lock fixed pattern absorptive bundling belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620898759.0U CN206228411U (en) | 2016-08-18 | 2016-08-18 | Reversible lock fixed pattern absorptive bundling belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206228411U true CN206228411U (en) | 2017-06-09 |
Family
ID=58989707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620898759.0U Active CN206228411U (en) | 2016-08-18 | 2016-08-18 | Reversible lock fixed pattern absorptive bundling belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206228411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110800497A (en) * | 2019-11-06 | 2020-02-18 | 贵州省烟草公司黔南州公司 | Wound form plant medicine injection device |
| CN111214284A (en) * | 2020-01-21 | 2020-06-02 | 沪创医疗科技（上海）有限公司 | Degradable metal cable internal fixing system and application |
-
2016
- 2016-08-18 CN CN201620898759.0U patent/CN206228411U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110800497A (en) * | 2019-11-06 | 2020-02-18 | 贵州省烟草公司黔南州公司 | Wound form plant medicine injection device |
| CN110800497B (en) * | 2019-11-06 | 2021-04-20 | 贵州省烟草公司黔南州公司 | Wound form plant medicine injection device |
| CN111214284A (en) * | 2020-01-21 | 2020-06-02 | 沪创医疗科技（上海）有限公司 | Degradable metal cable internal fixing system and application |
| CN111214284B (en) * | 2020-01-21 | 2022-07-05 | 沪创医疗科技（上海）有限公司 | Degradable metal cable internal fixing system and application |
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