CN101983616A - Tensile pressure adjusting lever for external fixation - Google Patents
Tensile pressure adjusting lever for external fixation Download PDFInfo
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- CN101983616A CN101983616A CN 201010550934 CN201010550934A CN101983616A CN 101983616 A CN101983616 A CN 101983616A CN 201010550934 CN201010550934 CN 201010550934 CN 201010550934 A CN201010550934 A CN 201010550934A CN 101983616 A CN101983616 A CN 101983616A
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Abstract
The invention provides a tensile pressure adjusting lever for external fixation. The tensile pressure adjusting lever comprises porous steel needle fixation clamps (1), rotating seats (2), mobile seats (3) and an adjusting lever (4), wherein the porous steel needle fixation clamp (1) is fixed on the rotating seat (2) through a screw (5); the rotating seats (2) are sleeved and fixed on the rotating shafts of the mobile seats (3); the mobile seats (3) are sleeved on the adjusting lever (4); and the two porous steel needle fixation clamps (1), the rotating seats (2) and the mobile seats (3) are sleeved at two ends of the adjusting lever (4) respectively. The tensile pressure adjusting lever overcomes the defect that the conventional external fixation device cannot be adjusted in a fracture growing process, and cannot adjust pressure and limb lengthening of a fracture position in the fracture growing process. The tensile pressure adjusting lever can pressurize a fracture surface to promote growth of the fracture, and has the advantages of simple structure, light weight, firmness and reliability and the like, and is convenient in use.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, more particularly it is a kind of stretching pressurization adjusting rod that is used for the bone external fixation.
Background technology
The existing external fixator that is used to fracture is more, but existing external fixator is simple in structure than function singleness.Adaptability for bony defect and limb lengthening is relatively poor.As China Patent No. be: 200520124497.4 bone external fixator, it is bilateral formula external fixer, needs bilateral adjusted in concert when regulating in the fracture position, is easy to generate regulating error, and be adjusted to the reduction of the fracture fixing after, in the fracture growth course, can not adjust again.Can't regulate for the pressurization and the limb lengthening of fracture site in the fracture growth course.
Summary of the invention
The objective of the invention is to overcome above-mentioned existing disadvantages of background technology part, and a kind of stretching pressurization adjusting rod that is used for the bone external fixation is provided.
The objective of the invention is to reach: the stretching pressurization adjusting rod that is used for the bone external fixation by following measure, it comprises porous draw point fixation clamp, it is characterized in that it also comprises rotating seat, moves seat, adjusting rod, described porous draw point fixation clamp is fixed on the rotating seat by screw rod, and the rotating seat suit also is fixed on the rotating shaft that moves seat, and mobile cover for seat is debug on the pole, described porous draw point fixation clamp, rotating seat, mobile seat has two covers, and is set in the two ends of adjusting rod.
In technique scheme, described adjusting rod one end comprises adjusting screw(rod), outer figure; Adjusting screw(rod) is fixed in the outer figure, and the guiding saddle is arranged in the other end of outer figure; The other end of adjusting rod comprises internal layer figure, the outer figure of fine setting end, fine-tuning nut, and internal layer figure is fixed on the outer figure of fine setting end, and fine-tuning nut is sleeved between internal layer figure and the outer figure of fine setting end; On the internal layer figure chute is arranged, the guiding saddle be positioned at chute, adjusting screw(rod) is positioned at internal layer figure, between adjusting screw(rod) and the internal layer figure by being threaded.
In technique scheme, all be useful on the glue figure that the seat shift position is moved in restriction at the two ends of described outer figure and the outer figure of fine setting end.
In technique scheme, in the described internal layer figure sliding screw is arranged, be set with sliding nut on the sliding screw, the two ends of described sliding screw and internal layer figure are by being threaded, the outer figure of described sliding nut holds outer figure by being threaded with fine setting, outer figure of fine setting end and the gapped chamber of sliding screw, the stroke limit of sliding nut is in spatia.
In technique scheme, described mobile seat comprises rotating shaft, draw-in groove, guide hole, pedestal, first tie down screw, opening; Draw-in groove is positioned on the rotating shaft, and the lower end of rotating shaft is a pedestal, and guide hole is arranged on the pedestal, and an end of pedestal has opening, and first tie down screw passes opening and locks pedestal.
In technique scheme, the upper surface of described rotating seat is a cambered surface, and sliding tray is arranged on the cambered surface, is rotating hole under the cambered surface, and locating piece is positioned at the rotating seat opening, and second tie down screw passes locating piece and locks rotating seat.
In technique scheme, an end of described locating piece is cambered surface and inserts in the draw-in groove.
1., rotating seat can be around 360 ° of rotations of rotating shaft of moving on the seat stretching pressurization adjusting rod that the present invention is used for the bone external fixation has following advantage:, porous draw point fixation clamp can the cambered surface on rotating seat rotate, and mobile seat can move axially along adjusting rod.2., the guiding saddle is positioned at chute, makes adjusting rod move the rotation of regulating and having prevented adjusting rod along chute.3., in the growth course after fracture site is fixing, can finely tune by the fine setting end, to stimulate the growth of fracture site.The scope of fine setting can be controlled by fine-tuning nut.4., the porous draw point fixation clamp at adjusting rod two ends and move seat and rotating seat locking after, when adjusting adjusting screw(rod) and fine-tuning nut, porous draw point fixation clamp can only move along the axis of adjusting rod is parallel, and moving or rotating of other directions can not take place.The treatment of the limb lengthening when 5., the present invention's stretching pressurization adjusting rod of being used for the bone external fixation can be used for fracture site bony defect or malformation correction are arranged.6., the present invention's stretching pressurization adjusting rod of being used for the bone external fixation can pressurize to the fracture face, to promote the growth of fracture.7., the present invention has advantages such as simple in structure, easy to use, in light weight, solid and reliable.
Description of drawings
Fig. 1 is used for the structural representation of the stretching pressurization adjusting rod of bone external fixation for the present invention.
Fig. 2 is the structural representation of the pressurization adjusting rod that stretches among the present invention.
Fig. 3 is the structural representation of porous draw point fixation clamp, rotating seat and mobile seat among the present invention.
Fig. 4 is the structure side view of Fig. 3.
Fig. 5 is for moving the structural representation of seat among the present invention.
Fig. 6 is the structural representation of rotating seat among the present invention.
Fig. 7 is the structure vertical view of Fig. 6.
Fig. 8 is the structure side view of Fig. 6.
The specific embodiment
Describe performance of the present invention in detail below in conjunction with accompanying drawing, but they do not constitute limitation of the invention, only do for example.Simultaneously by illustrating that advantage of the present invention will become clear more and understanding easily.
Consult accompanying drawing as can be known: the present invention is used for the stretching pressurization adjusting rod of bone external fixation, it comprises that (patent No. is 200720084828.5 to porous draw point fixation clamp 1, no longer describe at this), it also comprises rotating seat 2, move seat 3, adjusting rod 4, described porous draw point fixation clamp 1 is fixed on the rotating seat 2 by screw rod 5, rotating seat 2 suits also are fixed on the rotating shaft that moves seat 3, move on the seat 3 suit adjusting rods 4 described porous draw point fixation clamp 1, rotating seat 2, moving seat 3 has two covers, and is set in the two ends (as shown in Figure 1 and Figure 2) of adjusting rod 4.
Adjusting rod 4 one ends comprise adjusting screw(rod) 41, outer Figure 42; Adjusting screw(rod) 41 is fixed in outer Figure 42, and guiding saddle 44 is arranged in the other end of outer Figure 42; The other end of adjusting rod 4 comprises internal layer Figure 43, the outer Figure 46 of fine setting end, fine-tuning nut 45, and internal layer Figure 43 is fixed on the outer Figure 46 of fine setting end, and fine-tuning nut 45 is sleeved between internal layer Figure 43 and the outer Figure 46 of fine setting end; Chute 50 is arranged on internal layer Figure 43, the guiding saddle 44 be positioned at chute 50, adjusting screw(rod) 41 is positioned at internal layer Figure 43, between adjusting screw(rod) 41 and internal layer Figure 43 by being threaded (as shown in Figure 2).
Two ends at outer Figure 42 and the outer Figure 46 of fine setting end all are useful on glue Fig. 6 (as shown in Figure 1 and Figure 2) that seat 3 shift positions are moved in restriction.
Sliding screw 47 is arranged in internal layer Figure 43, be set with sliding nut 48 on the sliding screw 47, the two ends of described sliding screw 47 and internal layer Figure 43 are by being threaded, the outer figure of described sliding nut 48 holds outer Figure 46 by being threaded with fine setting, fine setting outer Figure 46 of end and sliding screw 47 gapped chambeies 49, the stroke limit of sliding nut 48 is (as shown in Figure 1 and Figure 2) in spatia 49.
Move seat 3 and comprise rotating shaft 31, draw-in groove 33, guide hole 32, pedestal 35, the first tie down screws 34, opening 36; Draw-in groove 33 is positioned on the rotating shaft 31, and the lower end of rotating shaft 31 is a pedestal 35, and guide hole 32 is arranged on the pedestal 35, and an end of pedestal has opening 36, the first tie down screws 34 to pass opening 36 and locks pedestal 35 (as Fig. 3, Fig. 4, shown in Figure 5).
The upper surface of rotating seat 2 is a cambered surface, and sliding tray 21 is arranged on the cambered surface, is rotating hole 23 under the cambered surface, and locating piece 22 is positioned at rotating seat opening 25, the second tie down screws 24 and passes locating piece 22 and lock rotating seat 2.One end of described locating piece 22 is cambered surface and inserts in the draw-in groove 33.(as Fig. 6, Fig. 7, shown in Figure 8)
It is as follows that the present invention is used for the use of stretching pressurization adjusting rod of bone external fixation:
When using the present invention to be used for the stretching pressurization adjusting rod of bone external fixation, at first must the distance according to the draw point locating hole of porous draw point fixation clamp 1 penetrate draw point at the two ends of fracture site, porous draw point fixation clamp 1 is connected with draw point.Adjust the relative position of length, porous draw point fixation clamp 1 and the adjusting rod 4 of adjusting rod 4, then carry out the reduction of the fracture; After definite fracture has resetted, can will move positions such as seat 3, rotating seat 2, porous draw point fixation clamp 1 and lock successively.
When fracture site has bony defect maybe to need to carry out limb lengthening, rotatable adjusting screw(rod) 41, with the length adjustment of adjusting rod to the size that needs, reserve suitable gap, it is close that bone can be grown gradually, repeatedly repeats this process, till the length of bone reaches requirement.
Treatment at fracture site need be pressurizeed, when stimulating the growth of fracture site, can reverse rotation adjusting screw(rod) 41, and make the contraction in length of adjusting rod, pressurization produces suitable pressure to fracture site, to promote the growth of fracture site.
When the treatment of fracture site need be finely tuned, rotatable fine-tuning nut 45, the growth that makes the fine setting scope be suitable for fracturing, and to the suitable stimulation of fracture site generation, to promote the growth of fracture site.
Claims (7)
1. the stretching pressurization adjusting rod that is used for the bone external fixation, it comprises porous draw point fixation clamp (1), it is characterized in that it also comprises rotating seat (2), move seat (3), adjusting rod (4), described porous draw point fixation clamp (1) is fixed on the rotating seat (2) by screw rod (5), rotating seat (2) suit also is fixed on the rotating shaft that moves seat (3), move on seat (3) suit adjusting rod (4), described porous draw point fixation clamp (1), rotating seat (2), moving seat (3) has two covers, and is set in the two ends of adjusting rod (4).
2. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 1 is characterized in that described adjusting rod (4) one ends comprise adjusting screw(rod) (41), outer figure (42); Adjusting screw(rod) (41) is fixed in the outer figure (42), in the other end of outer figure (42) guiding saddle (44) is arranged; The other end of adjusting rod (4) comprises internal layer figure (43), the outer figure of fine setting end (46), fine-tuning nut (45), internal layer figure (43) is fixed on the fine setting outer figure of end (46), and fine-tuning nut (45) is sleeved between internal layer figure (43) and the fine setting outer figure of end (46); Chute (50) is arranged on the internal layer figure (43), the guiding saddle (44) be positioned at chute (50), adjusting screw(rod) (41) is positioned at internal layer figure (43), between adjusting screw(rod) (41) and the internal layer figure (43) by being threaded.
3. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 1 and 2 is characterized in that all being useful on the glue figure (6) that seat (3) shift position is moved in restriction at the two ends of described outer figure (42) and the fine setting outer figure of end (46).
4. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 3, it is characterized in that sliding screw (47) is arranged in the described internal layer figure (43), be set with sliding nut (48) on the sliding screw (47), the two ends of described sliding screw (47) and internal layer figure (43) are by being threaded, the outer figure of described sliding nut (48) schemes (46) by being threaded with the fine setting end is outer, fine setting outer figure of end (46) and the gapped chamber of sliding screw (47) (49), the stroke limit of sliding nut (48) is in spatia (49).
5. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 1 and 2 is characterized in that described mobile seat (3) comprises rotating shaft (31), draw-in groove (33), guide hole (32), pedestal (35), first tie down screw (34), opening (36); Draw-in groove (33) is positioned on the rotating shaft (31), and the lower end of rotating shaft (31) is pedestal (35), and guide hole (32) is arranged on the pedestal (35), and an end of pedestal has opening (36), and first tie down screw (34) passes opening (36) and locks pedestal (35).
6. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 1 and 2, the upper surface that it is characterized in that described rotating seat (2) is a cambered surface, sliding tray (21) is arranged on the cambered surface, it under the cambered surface rotating hole (23), locating piece (22) is positioned at rotating seat opening (25), and second tie down screw (24) passes locating piece (22) and locks rotating seat (2).
7. the stretching pressurization adjusting rod that is used for the bone external fixation according to claim 6, an end that it is characterized in that described locating piece (22) is cambered surface and inserts in the draw-in groove (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105509344A CN101983616B (en) | 2010-11-19 | 2010-11-19 | Tensile pressure adjusting lever for external fixation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105509344A CN101983616B (en) | 2010-11-19 | 2010-11-19 | Tensile pressure adjusting lever for external fixation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101983616A true CN101983616A (en) | 2011-03-09 |
| CN101983616B CN101983616B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105509344A Active CN101983616B (en) | 2010-11-19 | 2010-11-19 | Tensile pressure adjusting lever for external fixation |
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| CN (1) | CN101983616B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417281A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Tubular connecting rod device and outer-bone fixing device |
| CN103417280A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Tubular traction pressurization connecting rod control device and outer-bone fixing device |
| CN111134812A (en) * | 2019-12-28 | 2020-05-12 | 河南科科生物科技有限公司 | Single-rod type bone moving device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308863A (en) * | 1979-10-18 | 1982-01-05 | Ace Orthopedic Manufacturing, Inc. | External fixation device |
| US5681309A (en) * | 1993-06-10 | 1997-10-28 | Texas Scottish Rite Hospital For Crippled Children | Distractor mechanism for external fixation device |
| CN201040012Y (en) * | 2007-05-24 | 2008-03-26 | 蔡林 | Bone external fixer porous steel needle fixing holder |
| CN201182643Y (en) * | 2008-03-03 | 2009-01-21 | 张长青 | Continuous pressure external fixator with lock |
| US7632271B2 (en) * | 2005-02-09 | 2009-12-15 | Stryker Trauma S.A. | External mounting device, particularly for extension of a distance between clamping elements |
| CN201542725U (en) * | 2009-09-29 | 2010-08-11 | 武汉康斯泰德科技有限公司 | Polyether-ether-ketone external skeletal steel wire fixing clamp |
| CN101803941A (en) * | 2010-04-09 | 2010-08-18 | 武汉康斯泰德科技有限公司 | Wrist joint movable connecting rod for fixing across wrist joint |
| CN201861734U (en) * | 2010-11-19 | 2011-06-15 | 武汉康斯泰德科技有限公司 | Stretching pressurization regulation rod for external skeletal fixation |
-
2010
- 2010-11-19 CN CN2010105509344A patent/CN101983616B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308863A (en) * | 1979-10-18 | 1982-01-05 | Ace Orthopedic Manufacturing, Inc. | External fixation device |
| US5681309A (en) * | 1993-06-10 | 1997-10-28 | Texas Scottish Rite Hospital For Crippled Children | Distractor mechanism for external fixation device |
| US7632271B2 (en) * | 2005-02-09 | 2009-12-15 | Stryker Trauma S.A. | External mounting device, particularly for extension of a distance between clamping elements |
| CN201040012Y (en) * | 2007-05-24 | 2008-03-26 | 蔡林 | Bone external fixer porous steel needle fixing holder |
| CN201182643Y (en) * | 2008-03-03 | 2009-01-21 | 张长青 | Continuous pressure external fixator with lock |
| CN201542725U (en) * | 2009-09-29 | 2010-08-11 | 武汉康斯泰德科技有限公司 | Polyether-ether-ketone external skeletal steel wire fixing clamp |
| CN101803941A (en) * | 2010-04-09 | 2010-08-18 | 武汉康斯泰德科技有限公司 | Wrist joint movable connecting rod for fixing across wrist joint |
| CN201861734U (en) * | 2010-11-19 | 2011-06-15 | 武汉康斯泰德科技有限公司 | Stretching pressurization regulation rod for external skeletal fixation |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417281A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Tubular connecting rod device and outer-bone fixing device |
| CN103417280A (en) * | 2013-09-06 | 2013-12-04 | 江苏广济医疗科技有限公司 | Tubular traction pressurization connecting rod control device and outer-bone fixing device |
| CN103417280B (en) * | 2013-09-06 | 2015-05-13 | 江苏广济医疗科技有限公司 | Tubular traction pressurization connecting rod control device and outer-bone fixing device |
| CN111134812A (en) * | 2019-12-28 | 2020-05-12 | 河南科科生物科技有限公司 | Single-rod type bone moving device |
| CN111134812B (en) * | 2019-12-28 | 2025-07-11 | 河南科科生物科技有限公司 | Single-rod bone transport device |
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| Publication number | Publication date |
|---|---|
| CN101983616B (en) | 2012-07-18 |
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