CN204618372U - A kind of fractured bones fixed mechanism - Google Patents
A kind of fractured bones fixed mechanism Download PDFInfo
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- CN204618372U CN204618372U CN201520112389.9U CN201520112389U CN204618372U CN 204618372 U CN204618372 U CN 204618372U CN 201520112389 U CN201520112389 U CN 201520112389U CN 204618372 U CN204618372 U CN 204618372U
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- stiffener
- fractured bones
- fracture
- fixed mechanism
- substrate
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Abstract
Fractured bones fixed mechanism comprises the bone that one has fracture seam, and a blade plate.Described blade plate comprises a substrate, and a stiffener.Described substrate comprises at least one and covers spice filling slot on described bone crease region, at least two stiffener fixed structures, and at least two board fixing structures being distributed in described stiffener fixed structure both sides respectively.Described stiffener comprises at least two package assemblies of arranging corresponding to described stiffener fixed structure.The blade plate that this utility model provides is owing to having at least one spice filling slot, contribute to the healing of fracture, be arranged so that board fixing structure is away from fracture seam simultaneously due to described spice filling slot, avoid the possible secondary damage that this fracture is stitched, be beneficial to the foundation of fracture local blood fortune, described stiffener not only can cover described spice filling slot simultaneously can also increase the intensity of described substrate to avoid spice to drop out, and avoids in use being out of shape.
Description
Technical field
This utility model relates to a kind of orthopedic fixation device tool, particularly a kind of for being fixedly connected with the bone after fracture and being beneficial to its fractured bones fixed mechanism healed.
Background technology
" wound magazine " the 2nd phase in 1989 111st ~ 113 pages discloses the paper " development of Double-layered sliding bone-setting plate and clinical practice " that Sichuan Province's Zigong City the 4th hospital orthopedics Liu helps woods etc.The structure of this blade plate is: adopting medical stainless steel to make upper and lower two plates, each long 140mm of upper and lower plate, wide 17mm, thick 6mm, is 8mm after combination.Respectively there are 4 through holes and an elongate slots.Upper plate above and be circular arc below lower plate, the lower end of upper plate is dovetail groove, and the upper end of lower plate is dovetail, and is mutually connected.0.5 degree of tapering is had along axial sliding movement direction.Surpassing head 10mm during slip can self-locking.During use, with the screw of same material through the hole of upper plate and the groove of groove and lower plate and hole, fracture two ends are fixed respectively.This blade plate clinical application research 8 example is successfully, compare with pressurized bone plate, at healing time, the time aspect of getting except blade plate makes progress, but the thickness that this synthetism is analysed reaches 8 millimeters, by the Fracture of femur that surrounding soft tissue is thicker, its otch tension force and stitching still can meet requirements of operation, if this blade plate is used for the thinner fracture site of surrounding soft tissue, will occur that otch overtension sews up the phenomenon of difficulty.So, the scope of application relative narrower of this blade plate.Secondly, this blade plate is unfavorable for the foundation of fracture local blood fortune, and blade plate is thicker, and the area that soft tissue attaches surface of bone is less, and it is fewer that surface of bone obtains peripheral blood nutrition, is unfavorable for union of fracture.In addition, because upper and lower plates contact area is large, under the condition of trip bolt, two plate face frictional resistance are quite large, are unfavorable for relative sliding, thus are unfavorable for union of fracture.
Utility model content
In view of this, be necessary to provide a kind of fractured bones fixed structure being beneficial to union of fracture, to overcome above-mentioned deficiency.
Fractured bones fixed mechanism comprises the bone that one has fracture seam, and one in order to be connected and fixed the blade plate of this fractured bones.Described blade plate comprises a substrate, and a fixing stiffener on the substrate.Described substrate comprises at least one and covers spice filling slot on described bone crease region, at least two stiffener fixed structures being distributed in these spice filling slot both sides respectively, and at least two board fixing structures being distributed in described stiffener fixed structure both sides respectively.Described stiffener comprises at least two package assemblies of arranging corresponding to described stiffener fixed structure.
Compared with prior art, the blade plate that this utility model provides is owing to having at least one spice filling slot, spice can be filled, contribute to the healing of fracture, be arranged so that board fixing structure is away from fracture seam simultaneously due to described spice filling slot, avoid the possible secondary damage that this fracture is stitched, be beneficial to the foundation of fracture local blood fortune, described stiffener not only can cover described spice filling slot simultaneously can also increase the intensity of described substrate to avoid spice to drop out, and avoids in use being out of shape.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
The decomposition texture schematic diagram of a kind of fractured bones fixed mechanism that Fig. 1 provides for this utility model.
Fig. 2 is the cross-sectional schematic of the fractured bones fixed mechanism of Fig. 1.
Detailed description of the invention
Based on accompanying drawing, specific embodiment of the utility model is further elaborated below.Should be appreciated that specific embodiment described herein is only as embodiment, and be not used in restriction protection domain of the present utility model.
Referring to Fig. 1 and Fig. 2, is the structural representation of a kind of fractured bones fixed mechanism 100 that this utility model provides.Described fractured bones fixed mechanism 100 comprises the bone 10 that one has at least one fracture seam, and one for being connected and fixed the blade plate 20 of the bone 10 after this fracture.
Described bone 10 can be femur, and radius is directly isometric, and has the bone of certain diameter, is beneficial to twist establish attachment screw.Certainly, the size of described blade plate 20 can be regulated according to the size of bone 10, also the shape of described blade plate 20 can be regulated according to the shape of bone 10, as when connecting rib, described blade plate 20 entirety needs certain flexibility, and size is smaller to close with the matching size of rib.In the present embodiment, only in order to described fractured bones fixed mechanism 100 is described, described bone 100 is one section of femur, and described blade plate 20 is also straight stripe board.After bone 10 is fractured, have a fracture seam 101 to I haven't seen you for ages, equally only in order to this utility model is described, described bone 100 only illustrates a fracture seam 101.Due to the existence of this fracture seam 101, near the both sides of this fracture seam 101, best bad twisting establishes the securing members such as screw, to avoid causing secondary damage, also likely causes the extruding of fracture simultaneously, causes bone heals to slow.
Described blade plate 20 comprises a substrate 21 be fitted on bone 10, a stiffener 22 be fixed on described substrate 21, the stiffener securing member 23 of at least two fixing described substrates 21 and stiffener 22, and at least two substrate securing members 24 described substrate 21 is fixed on bone 10.Described whole blade plate 20 can be made up of titanium alloy, also can be made up of other metal or alloy.
Described substrate 21 can stripe board, such as, it is understood, however, that the shape of this substrate 21 according to the change of shape of bone 10, can have certain curvature etc.Described substrate 21 comprises at least one and covers spice filling slot 211 on described fracture seam 101, at least two stiffener fixed structures 212 being distributed in these spice filling slot 101 both sides respectively, and at least two board fixing structures 213 being distributed in described stiffener fixed structure 212 both sides respectively.Described spice filling slot 211 can be a strip through hole, when described substrate 21 is fixed bone 10 after the fracture, then can fill spice, as antibiotic medicine in this spice filling slot 211, promoting the medicine of bone lattice growth healing, can also be some adsorbing materials etc.The size of this spice filling slot 211 is determined according to the damaged area of bone 10, and in the present embodiment, described substrate 21 comprises two spice filling slots 211.Described stiffener fixed structure 212 can be tapped through hole, can be also other fixed structures, and as rivet hole, pin-and-hole can also be stud etc.In the present embodiment, described substrate 21 comprises five through-hole type stiffener fixed structures 212.Because in the present embodiment, described substrate 21 has two spice filling slots 211, and one therefore in described five tapped through hole formula stiffener fixed structures 212 is arranged between described two spice filling slots 211.Four tapped through hole formula stiffener fixed structures 212 are in addition distributed in the outside of two spice filling slots 211 respectively.Described board fixing structure 213 can be through hole, also can be threaded through hole.In the present embodiment, described substrate 21 comprises six board fixing structures 213.These six board fixing structures 213 are all threaded through hole, are locked together by this substrate 21 can use substrate securing member 24 with bone 10.Certainly, when described board fixing structure 213 is through hole, substrate securing member 24 should have the head of a nail, to be folded between this head of a nail and bone 10 by this substrate 21.
The shape of described stiffener 22 changes with the change of shape of substrate 21, can fit on the base plate (21 and cover described two spice filling slots 211 to make this stiffener 22.In the present embodiment, because described substrate 21 is stripe board, so described stiffener 22 stripe board that to be also a size dimension similar to substrate 21.Just in order to expose described six board fixing structures 213, the length of described stiffener 22 is less than the length of described substrate 21.Described stiffener 22 comprises at least two package assemblies 221 of arranging corresponding to described stiffener fixed structure 212.Described package assembly 221 can be through hole or tapped through hole.Because described substrate 21 is provided with described spice filling slot 211, make this substrate 21 at the strength reduction in spice filling slot 211 region, this spice filling slot 211 is arranged on again the region of fracture seam 101 simultaneously, must ensure that it has certain intensity, must not make in bone recovery process, to become curved or distortion.Therefore need to install this stiffener additional.
Described stiffener securing member 23 can screw, also can be nut.When described stiffener fixed structure 212 and package assembly 221 are all threaded through hole, described stiffener securing member 23 is screw.And when described stiffener fixed structure 212 is stud, when package assembly is through hole, described stiffener securing member 23 is nut.But no matter be that screw or nut are all known techniques, do not repeat them here.
Described substrate securing member 24 can comprise the tapping screw that at least two are located in described board fixing structure 213.When described board fixing structure 213 is threaded through hole, this tapping screw also should have screw thread in end.This tapping screw is also known techniques, and the technology simultaneously substrate 21 being fixed to bone 10 is also known techniques, does not repeat them here.
Compared with prior art, the blade plate 20 that this utility model provides is owing to having at least one spice filling slot 211, spice can be filled, contribute to the healing of fracture, be arranged so that board fixing structure 213 is away from fracture seam 101 simultaneously due to described spice filling slot 211, avoid the possible secondary damage to this fracture seam 101, be beneficial to the foundation of fracture local blood fortune.Described stiffener 22 not only can cover described spice filling slot 211 can also increase described substrate 21 intensity to avoid spice to drop out simultaneously, avoids in use being out of shape.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all do in spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included in protection domain of the present utility model.
Claims (8)
1. a fractured bones fixed mechanism, comprise the bone that one has fracture seam, and one in order to be connected and fixed the blade plate of this fractured bones, it is characterized in that: described blade plate comprises a substrate, and a fixing stiffener on the substrate, described substrate comprises at least one and covers spice filling slot on described bone crease region, at least two stiffener fixed structures being distributed in these spice filling slot both sides respectively, and at least two board fixing structures being distributed in described stiffener fixed structure both sides respectively, described stiffener comprises at least two package assemblies of arranging corresponding to described stiffener fixed structure.
2. fractured bones fixed mechanism as claimed in claim 1, it is characterized in that: described board fixing structure is through hole, described fractured bones fixed mechanism comprises the tapping screw that at least two are located in described board fixing structure further.
3. fractured bones fixed mechanism as claimed in claim 1, it is characterized in that: described substrate comprises two spice filling slots, these two spice filling slots are all covered by described stiffener.
4. fractured bones fixed mechanism as claimed in claim 3, is characterized in that: described substrate comprises a stiffener fixed structure be arranged between described two spice filling slots further.
5. fractured bones fixed mechanism as claimed in claim 4, is characterized in that: described fractured bones fixed mechanism also comprises at least two for fixing the screw of described substrate and stiffener.
6. fractured bones fixed mechanism as claimed in claim 1, is characterized in that: the length of described substrate is greater than the length of described stiffener.
7. fractured bones fixed mechanism as claimed in claim 6, is characterized in that: described at least two board fixing structures are distributed in the both sides of described stiffener respectively.
8. fractured bones fixed mechanism as claimed in claim 1, is characterized in that: described blade plate is made up of titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520112389.9U CN204618372U (en) | 2015-02-10 | 2015-02-10 | A kind of fractured bones fixed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520112389.9U CN204618372U (en) | 2015-02-10 | 2015-02-10 | A kind of fractured bones fixed mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204618372U true CN204618372U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520112389.9U Expired - Fee Related CN204618372U (en) | 2015-02-10 | 2015-02-10 | A kind of fractured bones fixed mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105982724A (en) * | 2015-02-10 | 2016-10-05 | 焦作市新港医疗设备有限公司 | Broken bone fixing mechanism |
-
2015
- 2015-02-10 CN CN201520112389.9U patent/CN204618372U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105982724A (en) * | 2015-02-10 | 2016-10-05 | 焦作市新港医疗设备有限公司 | Broken bone fixing mechanism |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20150909 Termination date: 20200210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |