CN105943141B - A kind of medical high polymer bone external fixation device - Google Patents
A kind of medical high polymer bone external fixation device Download PDFInfo
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- CN105943141B CN105943141B CN201610401317.5A CN201610401317A CN105943141B CN 105943141 B CN105943141 B CN 105943141B CN 201610401317 A CN201610401317 A CN 201610401317A CN 105943141 B CN105943141 B CN 105943141B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6425—Devices extending alongside the bones to be positioned specially adapted to be fitted across a bone joint
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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Abstract
The present invention relates to a kind of medical high polymer bone external fixation device, including bar bar cramp（100）, needle rod holder（200）, cross bar folder（300）, pillar（400）, 30 °/90 ° curved columns（500）, it is bent semi-ring bar（600）, straight-bar（700）；It is characterized in that, the bar bar cramp（100）, the needle rod holder（200）, the cross bar folder（300）, the pillar（400）, described 30 °/90 ° curved columns（500）It is made of high molecular material, and is being internally provided with metal inserted piece, reduce the overall weight of medical high polymer bone external fixation device, alleviate sufferer burden, and ensure the intensity of the series of products.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of medical high polymer bone external fixation devices.
Background technology
Bone external fixation device is in Minimally Invasive Surgery or open operation, each component of existing bone external fixation device to be most
Number is made of metal material, although and metal parts intensity is larger, since the density of metal material is big, thus metal portion
The bone external fixation device overall weight of part composition is larger, and the burden on body is caused to the sufferer in operation；Simultaneously because X ray
Metal material can not be completely penetrated through, thus bone external fixation device light-permeable area made of metal is smaller, when metal parts just
When sheltering from fracture site, just it is unfavorable for the reset case that doctor observes fracture site, influences the effect for the treatment of.
Invention content
In view of the drawbacks described above of the prior art, the object of the present invention is to provide a kind of overall weight is small, can be penetrated under X ray
Medical high polymer bone external fixation device.
The purpose of the present invention is achieved through the following technical solutions：
A kind of medical high polymer bone external fixation device, including bar bar cramp, needle rod holder, cross bar presss from both sides, pillar, 30 °/90 ° curved columns,
It is bent semi-ring bar, straight-bar；The bar bar cramp, the needle rod holder, the cross bar folder, the pillar, described 30 °/90 ° curved columns use
High molecular material is made, and is being internally provided with metal inserted piece.
Further, the bar bar cramp includes the first fixture block, two the second fixture blocks, third fixture block, the first adjusting screw, ball
Shape washer, the first jam nut, spring；First fixture block, described two second fixture blocks and third fixture block pass through described
One adjusting screw links together, and passes through first jam nut and fasten them together；First adjusting screw
The part on top is provided with annular convex platform, is set between the annular convex platform of first adjusting screw and first fixture block
Spherical washer, the bottom end of first adjusting screw are provided with external screw thread；The contact surface of first fixture block, second fixture block
Tooth equipped with mutual cooperation；The tooth of second fixture block, the contact surface of the third fixture block equipped with mutual cooperation.
Further, it is provided with spring between described two second fixture blocks；First fixture block is internally provided with first
Metal inserted piece, the lower end of first fixture block are provided with the first arcwall face；The second fixture block being located above is provided in upper end
Two arcwall faces, underlying second fixture block are provided with the second arcwall face in lower end；The third fixture block is internally provided with
Two metal inserted pieces, third metal inserted piece；Be provided with internal thread on the third metal inserted piece, and with the bottom end of the first adjusting screw
External screw thread cooperate；The upper end of the third fixture block is provided with third arcwall face；First arcwall face, second arc
Shape face forms the space for accommodating bending semi-ring bar or straight-bar；Second arcwall face, the third arcwall face, which are formed, accommodates bending
The space of semi-ring bar or straight-bar.
Further, first metal inserted piece, the structure of the second metal inserted piece are identical, and first metal inserted piece includes
Tablet, the first support portion and two the second support portions；Be provided with circular through hole on the tablet, first support portion with
And described two second support portions are vertically set on the tablet, are provided with recess portion among first support portion, described
One support portion is arranged between described two second support portions, and described two second support portions are more kept right than first support portion
Side；The third metal inserted piece includes cube portion and cylindrical portion；Cube portion, cylindrical portion setting are structure as a whole, and
Internal thread is set in cube portion, cylindrical portion, the external screw thread thread fitting of the internal thread and the first adjusting screw.
Further, the needle rod holder includes the 4th fixture block, and the 5th fixture block, the 6th fixture block, the 7th fixture block, second adjusts spiral shell
Silk, spherical washer, the second jam nut, spring；4th fixture block, the 5th fixture block, the 6th fixture block and described
7th fixture block is linked together by second adjusting screw, and passes through second jam nut and they are fastened on one
It rises；Second adjusting screw is provided with annular convex platform, the annular convex platform of the second adjusting screw and the 4th fixture block close to the part on top
Between spherical washer is set, the bottom end of the second adjusting screw is provided with external screw thread；4th fixture block, the 5th fixture block contact surface be equipped with
The tooth of mutual cooperation；The tooth of 6th fixture block, the contact surface of the 7th fixture block equipped with mutual cooperation；Between 5th fixture block, the 6th fixture block
It is provided with spring；The lower end of 4th fixture block is provided with the 4th arcwall face, and the upper end of the 5th fixture block is provided with the 5th arcwall face, and the 6th
The lower end of fixture block is provided with the 6th arcwall face；7th fixture block is internally provided with the 4th metal inserted piece, fifth metal mold insert；5th
Internal thread is provided on metal inserted piece, and is cooperated with the external screw thread of the bottom end of the second adjusting screw；The upper end of 7th fixture block
It is provided with the 7th arcwall face；4th arcwall face, the 5th arcwall face form the space for accommodating fine steel needle；6th arcwall face, the 7th
Arcwall face forms the space for accommodating bending semi-ring bar or straight-bar.
Further, cross bar folder includes the first tooth block, the second tooth block, two third adjusting screws and two the 4th tune
Save screw；First tooth block, the second tooth block are linked together by two third adjusting screws；First tooth block is internally provided with the 6th
Metal inserted piece, the second tooth block are internally provided with the 7th metal inserted piece；First tooth block is respectively arranged with spline on the second tooth block, flower
Key is used for clamping 30 °/90 ° curved columns or pillar；There are two recess portions for the setting of first tooth block；The bottom surface setting countersunk head slot of first tooth block；
First tooth block is provided with the first through hole for accommodating third adjusting screw；Interior spiral shell is provided on 6th metal inserted piece of the first tooth block
Line, the external screw thread thread fitting with the 4th adjusting screw, two the 4th adjusting screws are located between two third adjusting screws, the
The axis of four adjusting screws and the axis of third adjusting screw are vertically；Two the 4th adjusting screws are located at first respectively
Tooth block, on the second tooth block；Multiple 8th cambered surfaces are provided on first tooth block, multiple 9th cambered surfaces are provided on the second tooth block, the
Eight cambered surfaces, the 9th cambered surface form the space for accommodating fine steel needle；Third adjusting screw is provided with convex annular close to the part on top
Platform, annular convex platform are contacted with the recess surface of the first tooth block；The bottom end of third adjusting screw is provided with external screw thread；7th metal is inlayed
Internal thread is provided on part, and is cooperated with the external screw thread of the bottom end of third adjusting screw.
Further, the 6th metal inserted piece includes the first plate, the second plate, the first connecting plate, the second connecting plate；First connection
Plate, for connecting the first plate and the second plate, the first connecting plate, the second connecting plate is respectively arranged to accommodate third the second connecting plate
Second through-hole of adjusting screw；Setting is used to accommodate the third through-hole of the 4th adjusting screw on first plate；Setting side on second plate
Plate, and internal thread is set at square plate.
Further, pillar includes support-column main body and pillar metal inserted piece.
Further, 30 °/90 ° curved columns include curved column main body, curved column spline part and curved column metal inserted piece.
Further, bar bar cramp, needle rod holder, cross bar folder, pillar, 30 °/90 ° curved column surfaces are uniformly distributed regular or irregular
Lines.
Compared with the existing technology, the features of the present invention and progress are as follows：
1st, each component of medical high polymer bone external fixation device of the invention is made of high molecular material, is reduced medical
The overall weight of high-molecular bone external fixer alleviates sufferer burden.
2nd, each component of medical high polymer bone external fixation device of the invention is made of high molecular material, the macromolecule material
For material under C arm machine irradiation, X ray can penetrate medical high polymer bone external fixation device, unobstructed, thus, increase the medical high score
The light-permeable area of sub- bone external fixation device observes fracture site reset case convenient for doctor.
3rd, each components interior of medical high polymer bone external fixation device of the invention has metal inserted piece, to enhance the series
The intensity of product；And the metal inserted piece does not influence X ray and penetrates medical high polymer bone external fixation device.
4th, each parts surface of dissection IV type medical high polymer bone external fixation devices of the invention is uniformly distributed regular or does not advise
Then lines increases the aesthetics of product.
Description of the drawings
Fig. 1（a）、1（b）：The structure chart of bar bar cramp；
Fig. 2（a）、2（b）：The structure chart of bar bar cramp interior metal mold insert；
Fig. 3（a）、3（b）：The structure chart of needle rod holder；
Fig. 4（a）、4（b）：The structure chart of the fixture block of needle rod holder；
Fig. 5：Fig. 3（b）Partial enlarged view at middle A represents Fig. 4（a）、4（b）The schematic diagram to match at middle K；
Fig. 6：The structure chart of cross bar folder；
Fig. 7：The stereogram of cross bar folder；
Fig. 8：The stereogram of first tooth block of cross bar folder；
Fig. 9：The stereogram of the metal inserted piece of first tooth block of cross bar folder；
Figure 10：The structure chart of pillar；
Figure 11：The structure chart of 30 °/90 ° curved columns；
Figure 12：The rack assumption diagram of tibial surgical；
Figure 13：The rack assumption diagram of femoral surgery.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
The medical high polymer bone external fixation device of the present invention includes bar bar cramp 100, needle rod holder 200, cross bar folder 300, pillar
400,30 °/90 ° curved columns 500, bending semi-ring bar 600, straight-bar 700；Bar bar cramp 100, needle rod holder 200, cross bar folder 300, pillar
400,30 °/90 ° curved columns 500 are made, and be internally provided with metal inserted piece using high molecular material.
Such as Fig. 1（a）、1（b）Shown, bar bar cramp 100 includes the first fixture block 110, two the second fixture blocks 120, third fixture block
130, adjusting screw 140, spherical washer 150, jam nut 160, spring 170；First fixture block 110, two the second fixture blocks 120 with
And third fixture block 130 is linked together by adjusting screw 140, and is passed through jam nut 160 and fastened them together；It adjusts
Screw 140 is provided with annular convex platform close to the part on top, is set between the annular convex platform of adjusting screw 140 and the first fixture block 110
Spherical washer 150 is put, the bottom end of adjusting screw 140 is provided with external screw thread；First fixture block 110, the second fixture block 120 contact surface set
There is the tooth of mutual cooperation, enhance the roughness of contact surface, strengthen stability；The contact surface of second fixture block 120, third fixture block 130
Tooth equipped with mutual cooperation enhances the roughness of contact surface, strengthens stability；Spring is provided between two the second fixture blocks 120
170；First fixture block 110 is internally provided with the first metal inserted piece 111, and the lower end of the first fixture block 110 is provided with the first arcwall face
112；The second fixture block 120 being located above is provided with the second arcwall face 121 in upper end, and underlying second fixture block 120 is under
End is provided with the second arcwall face 121；Third fixture block 130 is internally provided with the second metal inserted piece 131, third metal inserted piece 132；
Internal thread is provided on third metal inserted piece 132, and is cooperated with the external screw thread of the bottom end of adjusting screw 140；Third fixture block
130 upper end is provided with third arcwall face 133；First arcwall face 112, the second arcwall face 121, which are formed, accommodates bending semi-ring bar 600
Or the space of straight-bar 700；Second arcwall face 121, third arcwall face 133 form the sky for accommodating bending semi-ring bar 600 or straight-bar 700
Between.
Such as Fig. 2（a）、2（b）Shown, the first metal inserted piece 111, the structure of the second metal inserted piece 131 are identical, the first metal
Mold insert 111 includes tablet 1112, the first support portion 1113 and two the second support portions 1114；Circle is provided on tablet 1112
Shape through-hole 1111 facilitates adjusting screw 140 to pass through, and the first support portion 1113 and two the second support portions 1114 are vertically set on
On tablet 1112, recess portion is provided among the first support portion 1113, the first support portion 1113 is arranged on two the second support portions
Between 1114, two 1114 to the first support portions 1113 of the second support portion are more on the right side；Third metal inserted piece 132 includes cube
Portion 1321 and cylindrical portion 1322；Cube portion 1321, cylindrical portion 1322 setting be structure as a whole, and cube portion 1321,
Internal thread is set in cylindrical portion 1322, the internal thread and the external screw thread thread fitting of adjusting screw 140.
Such as Fig. 3（a）、3（b）Shown, needle rod holder 200 includes the 4th fixture block 210, the 5th fixture block 220, the 6th fixture block 230, and the
Seven fixture blocks 240, adjusting screw 250, spherical washer 260, jam nut 270, spring 280；4th fixture block 210, the 5th fixture block
220, the 6th fixture block 230 and the 7th fixture block 240 are linked together by adjusting screw 250, and pass through jam nut 270 by it
Tighten together；Adjusting screw 250 is provided with annular convex platform close to the part on top, the annular convex platform of adjusting screw 250 with
Spherical washer 260 is set between the 4th fixture block 210, and the bottom end of adjusting screw 250 is provided with external screw thread；4th fixture block the 210, the 5th
The contact surface of fixture block 220 is equipped with the tooth to cooperate, enhances the roughness of contact surface, strengthens stability；6th fixture block 230,
The contact surface of seven fixture blocks 240 is equipped with the tooth to cooperate, enhances the roughness of contact surface, strengthens stability；5th fixture block 220,
Spring 280 is provided between 6th fixture block 230；The lower end of 4th fixture block 210 is provided with the 4th arcwall face 211, the 5th fixture block 220
Upper end be provided with the 5th arcwall face 221, the lower end of the 6th fixture block 230 is provided with the 6th arcwall face 231；7th fixture block 240
It is internally provided with the 4th metal inserted piece 241, fifth metal mold insert 242；It is provided with internal thread on fifth metal mold insert 242, and with
The external screw thread of the bottom end of adjusting screw 250 cooperates；The upper end of 7th fixture block 240 is provided with the 7th arcwall face 243；4th arc
Shape face 211, the 5th arcwall face 221 form the space for accommodating fine steel needle 800；6th arcwall face 231,243 structure of the 7th arcwall face
Into the space for accommodating bending semi-ring bar 600 or straight-bar 700；6th fixture block 230 is identical with 120 structure of the second fixture block, the 7th fixture block
240 is identical with 130 structure of third fixture block.
The tooth that first fixture block 110, the second fixture block 120 cooperate, the second fixture block 120, third fixture block 130 cooperate
Tooth, the 4th fixture block 210, the tooth of the 5th fixture block 220 mutual cooperation and the 6th fixture block 230, the 7th fixture block 240 cooperate
The structure of tooth is identical；By taking the 4th fixture block 210, the 5th fixture block 220 as an example, such as Fig. 3（b）、4（a）、4（b）, shown in 5, the 4th
210 left side recess portion of fixture block is provided with the first teeth portion 2101, and 220 left side protrusion of the 5th fixture block is provided with the second teeth portion 2201, and first
2101 and second teeth portion 2201 of teeth portion cooperates, and enhances the roughness of contact surface, strengthens stability.
As shown in figs 6-8, cross bar folder 300 include the first tooth block 310, the second adjusting screw 330 of tooth block 320, two and
Two adjusting screws 390；First tooth block 310, the second tooth block 320 are linked together by two adjusting screws 330；First tooth block
310 are internally provided with the 6th metal inserted piece 340, and the second tooth block 320 is internally provided with the 7th metal inserted piece 350；First tooth block
310, spline 360 is respectively arranged on the second tooth block 320, spline 360 is used for clamping 30 °/90 ° curved columns 500 or pillar 400；The
There are two recess portions 380 for the setting of one tooth block 310；The bottom surface setting countersunk head slot 311 of first tooth block 310, solve 30 ° of existing product/
The defects of 90 ° of curved columns or pillar not tight；First tooth block 310 is provided with the through-hole 312 for accommodating adjusting screw 330；First tooth block
Internal thread 313 is provided on 310 the 6th metal inserted piece 340, the external screw thread thread fitting with adjusting screw 390.
Two adjusting screws 390 are located between two adjusting screws 330, axis and the adjusting screw 330 of adjusting screw 390
Axis vertically；Two adjusting screws 390 are respectively on the first tooth block 310, the second tooth block 320.
Multiple 8th cambered surfaces 3101 are provided on first tooth block 310, multiple 9th cambered surfaces are provided on the second tooth block 320
3201, the 8th cambered surface 3101, the 9th cambered surface 3201 form the space 370 for accommodating fine steel needle 800；
Adjusting screw 330 is provided with the recess portion of annular convex platform, annular convex platform and the first tooth block 310 close to the part on top
380 surfaces contact；The bottom end of adjusting screw 330 is provided with external screw thread；It is provided with internal thread on 7th metal inserted piece 350, and with
The external screw thread of the bottom end of adjusting screw 330 cooperates.
As shown in figure 9, the 6th metal inserted piece 340 includes the first plate 342, the second plate 343, the first connecting plate 344, second connects
Fishplate bar 345；First connecting plate 344, the second connecting plate 345 is for the first plate 342 of connection and the second plate 343, the first connecting plate
344, the second connecting plate 345 is respectively arranged to accommodate the through-hole 341 of adjusting screw 330；It sets to accommodate on first plate 342
The through-hole 346 of adjusting screw 390；Square plate 347 on second plate 343 is set, and internal thread 313 is set at square plate 347.7th gold medal
Belong to the structure of mold insert 350（It is not shown）It is similar with the structure of the 6th metal inserted piece 340, differ only at through-hole 341 setting with
The threaded portion of the thread fitting of adjusting screw 330.
Such as Figure 10（a）-10（b）, 11（a）Shown in -11 (b), pillar 400 includes support-column main body 420 and pillar metal is inlayed
Part 410；30 °/90 ° curved columns 500 include curved column main body 520, curved column spline part 530 and curved column metal inserted piece 510.
Further, bar bar cramp 100, needle rod holder 200, cross bar folder 300, curved 500 surface of column of 400,30 °/90 ° of pillar is evenly distributed with
Regular or irregular lines, increase aesthetics.
The medical high polymer bone external fixation device of the present invention can build different types of stent according to actual conditions needs,
Such as supporting structure as shown in figure 12 can be built.Figure 12 is the supporting structure that shin bone 900 is performed the operation, by bar bar cramp 100, shank
Folder 200, cross bar press from both sides 300,30 °/90 ° curved columns 500（Or pillar 400）, it is bent semi-ring bar 600, straight-bar 700 and fine steel needle
800 compositions.
The stent that the medical high polymer bone external fixation device operating procedure of the present invention is performed the operation with the femur 1000 that Figure 13 is built
Structure describes：
During open operation：
（1）The surface of a wound needed for cutting operation；
（2）The preoperative adjusting screw that should thoroughly loosen medical high polymer bone external fixation device, to ensure that connection can in art
It is caught in groove；
（3）According to fracture fracture location, 2 fine steel needles 800 are stamped respectively in fracture position both sides respectively；
（4）Fine steel needle 800 is fixed in the clip slot among cross bar folder 300, locks two adjusting screw 330 of end face；
（5）The curved column spline part 530 of 30 °/90 ° curved columns 500 is connect with the spline 360 of cross bar folder 300, locking；
（6）Straight-bar 700, cross bar are pressed from both sides into 300,30 °/90 ° curved columns 500 etc. using bar bar cramp and connect into a fixed branch
Frame has ensured that fracture under the effect of external force, fixes and is closed；
（7）Suture the surface of a wound.
Open operation medical high polymer bone external fixation device using the present invention, can reduce the overall weight of stent, subtract
The burden of light patient.
During Minimally Invasive Surgery：
（1）Under C arm machine irradiation, perform the operation；
（2）The preoperative adjusting screw that should thoroughly loosen medical high polymer bone external fixation device, to ensure that connection can in art
It is caught in groove；
（3）According to fracture fracture location, 2 fine steel needles 800 are stamped respectively in fracture position both sides respectively；
（4）Fine steel needle 800 is fixed in the clip slot among cross bar folder 300, locks two adjusting screw 330 of end face；
（5）The curved column spline part 530 of 30 °/90 ° curved columns 500 is connect with the spline 360 of cross bar folder 300, locking；
（6）Straight-bar 700, cross bar are pressed from both sides into 300,30 °/90 ° curved columns 500 etc. using bar bar cramp and connect into a fixed branch
Frame has ensured that fracture under the effect of external force, fixes and is closed.
Minimally Invasive Surgery medical high polymer bone external fixation device using the present invention, can increase product light-permeable area and
The overall weight of stent is reduced, mitigates the burden of patient.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Invention, and be not used as limitation of the invention, as long as in the spirit of the present invention, to embodiment described above
Variation, modification will be all fallen in the range of claims of the present invention.
Claims (8)
1. a kind of medical high polymer bone external fixation device, including bar bar cramp（100）, needle rod holder（200）, cross bar folder（300）, pillar
（400）, 30 °/90 ° curved columns（500）, it is bent semi-ring bar（600）, straight-bar（700）；It is characterized in that, the bar bar cramp（100）,
The needle rod holder（200）, the cross bar folder（300）, the pillar（400）, described 30 °/90 ° curved columns（500）Using macromolecule
Material is made, and is being internally provided with metal inserted piece；The bar bar cramp（100）Including the first fixture block（110）, two the second fixture blocks
（120）, third fixture block（130）, the first adjusting screw（140）, spherical washer（150）, the first jam nut（160）, spring
（170）；First fixture block（110）, described two second fixture blocks（120）And third fixture block（130）It is adjusted by described first
Save screw（140）It links together, and passes through first jam nut（160）It fastens them together；Described first adjusts
Save screw（140）The part on top is provided with annular convex platform, first adjusting screw（140）Annular convex platform with it is described
First fixture block（110）Between spherical washer is set（150）, first adjusting screw（140）Bottom end be provided with external screw thread；Institute
State the first fixture block（110）, second fixture block（120）Contact surface be equipped with cooperate tooth；Second fixture block（120）、
The third fixture block（130）Contact surface be equipped with cooperate tooth；Described two second fixture blocks（120）Between be provided with spring
（170）；First fixture block（110）Be internally provided with the first metal inserted piece（111）, first fixture block（110）Lower end
It is provided with the first arcwall face（112）；The second fixture block being located above（120）The second arcwall face is provided in upper end（121）, it is located at
Second fixture block of lower section（120）The second arcwall face is provided in lower end（121）；The third fixture block（130）Be internally provided with
Second metal inserted piece（131）, third metal inserted piece（132）；The third metal inserted piece（132）On be provided with internal thread, and with
First adjusting screw（140）Bottom end external screw thread cooperate；The third fixture block（130）Upper end be provided with third arc
Face（133）；First arcwall face（112）, second arcwall face（121）It forms and accommodates bending semi-ring bar（600）Or straight-bar
（700）Space；Second arcwall face（121）, the third arcwall face（133）It forms and accommodates bending semi-ring bar（600）Or
Straight-bar（700）Space.
2. medical high polymer bone external fixation device according to claim 1, which is characterized in that first metal inserted piece
（111）, the second metal inserted piece（131）Structure it is identical, first metal inserted piece（111）Including tablet（1112）, first
Support part（1113）And two the second support portions（1114）；The tablet（1112）On be provided with circular through hole（1111）, it is described
First support portion（1113）And described two second support portions（1114）It is vertically set on the tablet（1112）On, described
One support portion（1113）Centre is provided with recess portion, first support portion（1113）It is arranged on described two second support portions
（1114）Between, described two second support portions（1114）Than first support portion（1113）More on the right side；The third gold
Belong to mold insert（132）Including cube portion（1321）And cylindrical portion（1322）；Cube portion（1321）, cylindrical portion（1322）Setting
It is structure as a whole, and in cube portion（1321）, cylindrical portion（1322）Upper setting internal thread, the internal thread and the first adjusting screw
（140）External screw thread thread fitting.
3. medical high polymer bone external fixation device according to claim 1, which is characterized in that the needle rod holder（200）Packet
Include the 4th fixture block（210）, the 5th fixture block（220）, the 6th fixture block（230）, the 7th fixture block（240）, the second adjusting screw（250）,
Spherical washer（260）, the second jam nut（270）, spring（280）；4th fixture block（210）, the 5th fixture block
（220）, the 6th fixture block（230）And the 7th fixture block（240）Pass through second adjusting screw（250）It is connected to one
It rises, and passes through second jam nut（270）It fastens them together；Second adjusting screw（250）Close to the portion on top
Set up separately and be equipped with annular convex platform, the second adjusting screw（250）Annular convex platform and the 4th fixture block（210）Between spherical washer is set
（260）, the second adjusting screw（250）Bottom end be provided with external screw thread；4th fixture block（210）, the 5th fixture block（220）Contact surface
Tooth equipped with mutual cooperation；6th fixture block（230）, the 7th fixture block（240）Contact surface be equipped with cooperate tooth；5th fixture block
（220）, the 6th fixture block（230）Between be provided with spring（280）；4th fixture block（210）Lower end be provided with the 4th arcwall face
（211）, the 5th fixture block（220）Upper end be provided with the 5th arcwall face（221）, the 6th fixture block（230）Lower end be provided with the 6th
Arcwall face（231）；7th fixture block（240）Be internally provided with the 4th metal inserted piece（241）, fifth metal mold insert（242）；5th
Metal inserted piece（242）On be provided with internal thread, and with the second adjusting screw（250）Bottom end external screw thread cooperate；7th
Fixture block（240）Upper end be provided with the 7th arcwall face（243）；4th arcwall face（211）, the 5th arcwall face（221）It forms and accommodates
Fine steel needle（800）Space；6th arcwall face（231）, the 7th arcwall face（243）It forms and accommodates bending semi-ring bar（600）Or
Straight-bar（700）Space.
4. medical high polymer bone external fixation device according to claim 1, which is characterized in that cross bar presss from both sides（300）Including
One tooth block（310）, the second tooth block（320）, two third adjusting screws（330）And two the 4th adjusting screws（390）；The
One tooth block（310）, the second tooth block（320）Pass through two third adjusting screws（330）It links together；First tooth block（310）It is interior
Portion is provided with the 6th metal inserted piece（340）, the second tooth block（320）It is internally provided with the 7th metal inserted piece（350）；First tooth block
（310）, the second tooth block（320）On be respectively arranged with spline（360）, spline（360）For clamping 30 °/90 ° curved columns（500）Or
Pillar（400）；First tooth block（310）There are two recess portions for setting（380）；First tooth block（310）Bottom surface setting countersunk head slot
（311）；First tooth block（310）It is provided with and accommodates third adjusting screw（330）First through hole（312）；First tooth block（310）'s
6th metal inserted piece（340）On be provided with internal thread（313）, with the 4th adjusting screw（390）External screw thread thread fitting, two
4th adjusting screw（390）Positioned at two third adjusting screws（330）Between, the 4th adjusting screw（390）Axis and third
Adjusting screw（330）Axis vertically；Two the 4th adjusting screws（390）It is located at the first tooth block respectively（310）, the
Two tooth blocks（320）On；First tooth block（310）On be provided with multiple 8th cambered surfaces（3101）, the second tooth block（320）On be provided with it is more
A 9th cambered surface（3201）, the 8th cambered surface（3101）, the 9th cambered surface（3201）It forms and accommodates fine steel needle（800）Space
（370）；Third adjusting screw（330）The part on top is provided with annular convex platform, annular convex platform and the first tooth block（310）'s
Recess portion（380）Surface contacts；Third adjusting screw（330）Bottom end be provided with external screw thread；7th metal inserted piece（350）Upper setting
Have an internal thread, and with third adjusting screw（330）Bottom end external screw thread cooperate.
5. medical high polymer bone external fixation device according to claim 4, which is characterized in that the 6th metal inserted piece（340）
Including the first plate（342）, the second plate（343）, the first connecting plate（344）, the second connecting plate（345）；First connecting plate（344）,
Second connecting plate（345）For connecting the first plate（342）With the second plate（343）, the first connecting plate（344）, the second connecting plate
（345）It is respectively arranged to accommodate third adjusting screw（330）The second through-hole（341）；First plate（342）It is upper to set to hold
Receive the 4th adjusting screw（390）Third through-hole（346）；Second plate（343）Upper setting square plate（347）, and in square plate（347）Place
Internal thread is set（313）.
6. medical high polymer bone external fixation device according to claim 1, which is characterized in that pillar（400）Including pillar
Main body（420）And pillar metal inserted piece（410）.
7. medical high polymer bone external fixation device according to claim 1, which is characterized in that 30 °/90 ° curved columns（500）Packet
Include curved column main body（520）, curved column spline part（530）And curved column metal inserted piece（510）.
8. medical high polymer bone external fixation device according to claim 1, which is characterized in that bar bar cramp（100）, needle rod holder
（200）, cross bar folder（300）, pillar（400）, 30 °/90 ° curved columns（500）Surface is evenly distributed with regular or irregular lines.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401317.5A CN105943141B (en) | 2016-06-09 | 2016-06-09 | A kind of medical high polymer bone external fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401317.5A CN105943141B (en) | 2016-06-09 | 2016-06-09 | A kind of medical high polymer bone external fixation device |
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| Publication Number | Publication Date |
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| CN105943141A CN105943141A (en) | 2016-09-21 |
| CN105943141B true CN105943141B (en) | 2018-07-10 |
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| CN201870711U (en) * | 2010-11-22 | 2011-06-22 | 徐利江 | Combined type multi-hole steel needle and connecting rod retaining clip |
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| CN203029364U (en) * | 2012-12-25 | 2013-07-03 | 李书凡 | Combined adjustable clamp |
| CN205924134U (en) * | 2016-06-09 | 2017-02-08 | 苏州爱得科技发展股份有限公司 | Medical polymer bone external fixation |
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|---|---|---|---|---|
| CN101296665A (en) * | 2005-06-21 | 2008-10-29 | 新特斯有限责任公司 | Adjustable fixation clamp and method |
| CN101028209A (en) * | 2007-03-21 | 2007-09-05 | 中国人民解放军第三军医大学第一附属医院 | Bone external fixer and its usage |
| CN201263714Y (en) * | 2008-10-09 | 2009-07-01 | 创生医疗器械(江苏)有限公司 | Mosaic type outer fixing device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105943141A (en) | 2016-09-21 |
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