CN105213003A - A kind of traction bow - Google Patents
A kind of traction bow Download PDFInfo
- Publication number
- CN105213003A CN105213003A CN201510615643.1A CN201510615643A CN105213003A CN 105213003 A CN105213003 A CN 105213003A CN 201510615643 A CN201510615643 A CN 201510615643A CN 105213003 A CN105213003 A CN 105213003A
- Authority
- CN
- China
- Prior art keywords
- jig arm
- axle
- hole
- traction bow
- driving wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6441—Bilateral fixators, i.e. with both ends of pins or wires clamped
Abstract
A kind of traction bow of the present invention, it mainly comprises right jig arm, outside connector, left jig arm, driving wire axle, the axis of guide, spicule, purl nut, pin and handle.Described outside connector is for connecting the external device of traction bow, it is located at the centre of driving wire axle, and by the cooperation of pin, it is made to rotate relative to driving wire axle only and can not move, left and right jig arm is located at the two ends of driving wire axle respectively, the two ends of driving wire axle are respectively equipped with left and right screw thread and are provided with handle in its one end, and it is its motion guide that the axis of guide is located between left and right jig arm.During operation, the spacing of left and right jig arm can be regulated by turn handle, make it the applicable patient of the different bodily form and the fracture of different parts, and the outer surface at these positions is clamped, spicule is fixed on the front end of left and right jig arm simultaneously.A kind of traction bow of the present invention can replace root Bone traction bow, femur traction bow, humerus traction bow, has accomplished that a bow is multiplex.
Description
Technical field
The present invention relates to a kind of in fracture operation to the positor that extremity fracture draws, belong to bone surgery set technical field.
Background technology
The extremity fracturies such as femur, tibia, humerus are clinical common, and utilize traction bow during operative treatment, carrying out Retracting repositioning is conventional method.Such as, but in use also find some problems, femur is different from the width of the traction bow needed for humerus, the more fat patient in same position is also different from the width of the traction bow needed for thinner patient.Traction bow conventional at present can not meet the needs of different patient simultaneously.
Summary of the invention
The invention discloses a kind of traction bow, overcome above-mentioned defect, it mainly comprises right jig arm, outside connector, left jig arm, driving wire axle, the axis of guide, spicule, purl screw, pin and handle.The centre of described driving wire axle is provided with axle collar I, and two ends are provided with an axle, and the thread rotary orientation of described axle collar I two terminal filament axle is contrary, and if left end is dextrorotation silk axle, right section is left-handed silk axle, or left end is left-handed silk axle, and right section is dextrorotation silk axle.Described silk shaft end is provided with open slot, is provided with handle in open slot.The silk axle at described driving wire axle two ends is equipped with clamp arm, and the clamp arm of left end is left jig arm, and the clamp arm of right-hand member is right jig arm.Described axle collar I surface is provided with cannelure, is provided with the outside connector covering cannelure on axle collar I.Described outside connector is provided with axle collar hole, axle collar hole and described axle collar I are slidably matched, described axle collar hole is provided with the pin-and-hole of its wall thickness through, pin is provided with within described pin-and-hole, described cannelure is inserted in the front end of described pin, and make described outside connector can only rotate can not move relative to described driving wire axle, described outside connector is provided with connecting rod, for connecting the external device of traction bow, it is coaxial with described axle collar hole that described outside connector is provided with arc surface.Described left jig arm, right jig arm is equipped with screwed hole and matches with the silk axle at described driving wire axle two ends respectively, described left jig arm, right jig arm is also respectively equipped with pilot hole, described pilot hole and described screwed hole be arranged in parallel, the described axis of guide is arranged on described left jig arm, between right jig arm, described left jig arm is inserted at the two ends of the axis of guide respectively, the pilot hole of right jig arm, and be slidably matched with pilot hole, the centre of the described axis of guide is also provided with axle collar II, described left jig arm, the front end of right jig arm is equipped with spicule hole, described spicule hole is provided with the purl screw hole running through its wall thickness, described purl screw is provided with in purl screw hole.
As a further improvement on the present invention, the spicule hole of described left jig arm, right jig arm front end can be changed and be set to hook, and be provided with hook groove, bill and the neck of hook, neck of hook surface is provided with screw thread, is provided with purl nut on screw thread.Caught on by spicule by described hook, and use purl nut check, locking is more firm, and it is more convenient to install, and can shorten operating time, reduces patient suffering.Described hook trench bottom is provided with two fins, and described hitcher is flexible, and the outer surface of bill is provided with the conical surface.Described purl nut front end is provided with taper hole.During operation, screw forward purl nut, by described taper hole and described cone match, make bending deformation in described bill and lock spicule with described two fins, when spicule is thinner, purl nut continues precession forward, is locked by spicule by the end face of purl nut and described two fins.Described hook groove also can be set to V-shaped groove, to be coordinated locked by spicule by the end face of purl nut with V-shaped groove.Described hook trench bottom arranges two fins and described hook groove is set to V-shaped groove, its objective is and makes groove and spicule form two linear contact lay, increases the stability to spicule locking.
Described spicule comprises the Medical steel needles such as metal nail, Kirschner wire, steinman pin.
During operation, the spacing of left jig arm and right jig arm can be regulated by turn handle, make it the applicable patient of the different bodily form and the fracture of different parts, and can clamp the outer surface at these positions, spicule is fixed on traction bow simultaneously.A kind of traction bow of the present invention can replace root Bone traction bow, femur traction bow, humerus traction bow, has accomplished that a bow is multiplex, thus, has reduced cost, and easy to operate, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the first embodiment schematic diagram of a kind of traction bow of the present invention;
Fig. 2 is left jig arm in Fig. 1 and right jig arm schematic diagram;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the driving wire axle schematic diagram in Fig. 1, Fig. 8, Fig. 9;
Fig. 5 is the axis of guide schematic diagram in Fig. 1, Fig. 8, Fig. 9;
Fig. 6 is the outside connector schematic diagram in Fig. 1, Fig. 8, Fig. 9;
Fig. 7 is the side view of Fig. 6;
Fig. 8, Fig. 9 are the second embodiment schematic diagram of a kind of traction bow of the present invention;
Figure 10 is left jig arm in Fig. 8, Fig. 9 and right jig arm schematic diagram;
Figure 11 is the sectional view of the purl nut in Fig. 8, Fig. 9.
In accompanying drawing: 1 right jig arm, 2 outside connectors, 3 left jig arm, 4 driving wire axles, 5 axis of guides, 6 spicules, 7 purl screws, 8 pins, 9 handles, 1-1 spicule hole, 1-2 pilot hole, 1-3 screwed hole, 1-4 purl screw hole, 2-1 connecting rod, 2-2 axle collar hole, 2-3 arc surface, 2-4 pin-and-hole, 3-1 purl nut, 3-2 hook, 3-3 fin, the 3-4 conical surface, 3-5 screw thread, 4-1 axle collar I, 4-2 cannelure, 4-3 open slot.
Detailed description of the invention
Elaborate below in conjunction with the embodiment of accompanying drawing to a kind of traction bow of the present invention.
As shown in Figures 1 to 7, a kind of traction bow of the present invention mainly comprises right jig arm 1, outside connector 2, left jig arm 3, driving wire axle 4, the axis of guide 5, spicule 6, purl screw 7, pin 8 and handle 9 to the first embodiment of a kind of traction bow of the present invention.The centre of described driving wire axle 4 is provided with axle collar I4-1, and two ends are provided with an axle, and the thread rotary orientation of described axle collar I4-1 two terminal filament axle is contrary, and left end is dextrorotation silk axle, and right section is left-handed silk axle, or left end is left-handed silk axle, and right section is dextrorotation silk axle.Described silk axle one end is provided with open slot 4-3, is provided with handle 9 in open slot 4-3.The silk axle at described driving wire axle 4 two ends is equipped with clamp arm, and the clamp arm of left end is called left jig arm 3, and the clamp arm of right-hand member is called right jig arm 1.Described axle collar I4-1 surface is provided with cannelure 4-2, is provided with the outside connector 2 covering cannelure 4-2 on axle collar I4-1.Described outside connector 2 is provided with axle collar hole 2-2, axle collar hole 2-2 and described axle collar I4-1 is slidably matched, described axle collar hole 2-2 is provided with the pin-and-hole 2-4 of its wall thickness through, pin 8 is provided with in described pin-and-hole 2-4, described cannelure 4-2 is inserted in the front end of described pin 8, described outside connector 2 can only be rotated relative to described driving wire axle 4, can not move, described outside connector 2 is provided with connecting rod 2-1, for connecting the external device of traction bow, it is coaxial with driving wire axis hole 2-2 that described outside connector is provided with arc surface 2-3.Described left jig arm 3, right jig arm 1 are equipped with screwed hole 1-3 and match with the silk axle at described driving wire axle 4 two ends respectively, described left jig arm 3, right jig arm 1 are also respectively equipped with pilot hole 1-2, described pilot hole 1-2 and described screwed hole 1-3 be arranged in parallel, the described axis of guide 5 is arranged between described left jig arm 3, right jig arm 1, the pilot hole 1-2 of described left jig arm 3, right jig arm 1 is inserted at the two ends of the axis of guide 5 respectively, and be slidably matched with pilot hole 1-2, the centre of the described axis of guide 5 is also provided with axle collar II.The front end of described left jig arm 3, right jig arm 1 is equipped with spicule hole 1-1, and described spicule hole 1-1 is provided with the purl screw hole 1-4 running through its wall thickness, is provided with described purl screw 7 in purl screw hole 1-4.
Described spicule 6 has various ways, comprises the Medical steel needles such as metal nail, Kirschner wire, steinman pin.
During operation, left jig arm 3 and the spacing of right jig arm 1 can be regulated by turn handle 4-4, make it the applicable patient of the different bodily form and the fracture of different parts, and can clamp the outer surface at these positions, spicule 6 is fixed on traction bow simultaneously.A kind of traction bow of the present invention can replace root Bone traction bow, femur traction bow, humerus traction bow, has accomplished that a bow is multiplex, thus, has reduced cost, and easy to operate, safe and reliable.
Fig. 4 to Figure 11 shows the second embodiment of a kind of traction bow of the present invention.A kind of traction bow of the present invention mainly comprises right jig arm 1, outside connector 2, left jig arm 3, driving wire axle 4, the axis of guide 5, spicule 6, purl nut 3-1, pin 8 and handle 9.The centre of described driving wire axle 4 is provided with axle collar I4-1, and two ends are provided with an axle, and the thread rotary orientation of described axle collar I4-1 two terminal filament axle is contrary, and left end is dextrorotation silk axle, and right section is left-handed silk axle, or left end is left-handed silk axle, and right section is dextrorotation silk axle.Described silk axle one end is provided with open slot 4-3, is provided with handle 9 in open slot 4-3.The silk axle at described driving wire axle 4 two ends is equipped with clamp arm, and the clamp arm of left end is called left jig arm 3, and the clamp arm of right-hand member is called right jig arm 1.Described axle collar I4-1 surface is provided with cannelure 4-2, is provided with the outside connector 2 covering cannelure 4-2 on axle collar I4-1.Described outside connector 2 is provided with axle collar hole 2-2, axle collar hole 2-2 and described axle collar I4-1 is slidably matched, described axle collar hole 2-2 is provided with the pin-and-hole 2-4 of its wall thickness through, pin 8 is provided with in described pin-and-hole 2-4, described cannelure 4-2 is inserted in the front end of described pin 8, described outside connector 2 can only be rotated relative to described driving wire axle 4, can not move, described outside connector 2 is provided with connecting rod 2-1, for connecting the external device of traction bow, it is coaxial with driving wire axis hole 2-2 that described outside connector is provided with arc surface 2-3.Described left jig arm 3, right jig arm 1 are equipped with screwed hole 1-3 and match with the silk axle at described driving wire axle 4 two ends respectively, described left jig arm 3, right jig arm 1 are also respectively equipped with pilot hole 1-2, described pilot hole 1-2 and described screwed hole 1-3 be arranged in parallel, the described axis of guide 5 is arranged between described left jig arm 3, right jig arm 1, the pilot hole 1-2 of described left jig arm 3, right jig arm 1 is inserted at the two ends of the axis of guide 5 respectively, and be slidably matched with pilot hole 1-2, the centre of the described axis of guide 5 is also provided with axle collar II.As shown in Figure 10, this embodiment is the method for clamping improving spicule on the basis of the first embodiment, and make locking more firm, it is more convenient to install, and can shorten operating time, reduces patient suffering.It is characterized in that described left jig arm 3, the front end of right jig arm 1 is set to hook 3-2, and being provided with hook groove, bill and the neck of hook, described neck of hook surface is provided with screw thread 3-5, is provided with described purl nut 3-1 on screw thread 35, by described hook 3-2, spicule 6 is caught on, and lock with purl nut 3-1.Described hook trench bottom is provided with two fins 33, and described hook 3-2 has elasticity, and the outer surface of bill is provided with conical surface 3-4.As shown in figure 11, purl nut 3-1 front end is provided with taper hole 3-1-1.During operation, screw forward purl nut 3-1, coordinated with described conical surface 3-4 by described taper hole 3-1-1, make bending deformation in described bill and lock spicule 6 with described two fin 3-3, when spicule 6 is thinner, purl nut 3-1 continues precession forward, is locked by spicule 6 by the end face of purl nut 3-1 and described two fin 3-3.Described hook groove also can be set to V-arrangement, to be coordinated locked by spicule 6 by the end face of purl nut 3-1 with V-shaped groove.
By reference to the accompanying drawings embodiments of the present invention are elaborated above; but the present invention is not limited to above-mentioned embodiment; in the ken that the those of ordinary skill of ability possesses, can also make many variations to it, these changes all belong to protection scope of the present invention.
Claims (7)
1. a traction bow, it is characterized in that mainly comprising right jig arm (1), outside connector (2), left jig arm (3), driving wire axle (4), the axis of guide (5), spicule (6), purl nut (3-1-1), pin (8) and handle (9), the centre of described driving wire axle (4) is provided with axle collar I (4-1), two ends are provided with an axle, the thread rotary orientation of described axle collar I (4-1) two terminal filament axle is contrary, described silk axle one end is provided with open slot (4-3), handle (9) is provided with in open slot (4-3), the silk axle at described driving wire axle (4) two ends is equipped with clamp arm, the clamp arm being located at left end is called left jig arm (3), the clamp arm being located at right-hand member is called right jig arm (1), described axle collar I (4-1) surface is provided with cannelure (4-2), the outside connector (2) covering cannelure (4-2) is provided with on axle collar I (4-1), described outside connector (2) is provided with axle collar hole (2-2), axle collar hole (2-2) and described axle collar I (4-1) are slidably matched, described axle collar hole (2-2) is provided with the pin-and-hole (2-4) of its wall thickness through, pin (8) is provided with in described pin-and-hole (2-4), described cannelure (4-2) is inserted in the front end of described pin (8), described outside connector (2) can only be rotated relative to described driving wire axle (4), can not move, described left jig arm (3), right jig arm (1) is equipped with screwed hole (1-3) and matches with the silk axle at described driving wire axle (4) two ends respectively, described left jig arm (3), right center arm (1) is also respectively equipped with pilot hole (1-2), the described axis of guide (5) is arranged on described left center arm (3), between right jig arm (1), described left jig arm (3) is inserted at the two ends of the axis of guide (5) respectively, the pilot hole (1-2) of right jig arm (1), and be slidably matched with pilot hole (1-2), the centre of the described axis of guide (5) is also provided with axle collar II.
2. a kind of traction bow according to claim 1, it is characterized in that described left jig arm (3), the front end of right jig arm (1) is provided with hook (3-2), and be provided with hook groove, bill and the neck of hook, described neck of hook surface is provided with screw thread (3-5), is provided with purl nut (3-1) on screw thread (3-5).
3. a kind of traction bow according to claim 2, is characterized in that the bottom of described hook groove is provided with two fins (3-3).
4. a kind of traction bow according to claim 2, is characterized in that described hook (3-2) has elasticity.
5. a kind of traction bow according to claim 2, is characterized in that the outer surface of described bill is provided with the conical surface (3-4).
6. a kind of traction bow according to claim 2, is characterized in that described hook groove also can be set to V-arrangement.
7. a kind of traction bow according to claim 2, is characterized in that described purl nut (3-1) front end is provided with taper hole (3-1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510615643.1A CN105213003B (en) | 2015-09-21 | 2015-09-21 | A kind of traction bow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510615643.1A CN105213003B (en) | 2015-09-21 | 2015-09-21 | A kind of traction bow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105213003A true CN105213003A (en) | 2016-01-06 |
| CN105213003B CN105213003B (en) | 2017-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510615643.1A Active CN105213003B (en) | 2015-09-21 | 2015-09-21 | A kind of traction bow |
Country Status (1)
| Country | Link |
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| CN (1) | CN105213003B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5439465A (en) * | 1994-03-11 | 1995-08-08 | Tumibay; Delfin O. | Bone compression and distraction surgical tool |
| CN2438430Y (en) * | 2000-09-05 | 2001-07-11 | 彭远立 | Adjustable flux line orthopedia traction bow |
| CN2715704Y (en) * | 2004-03-15 | 2005-08-10 | 刘凤文 | Temporary fixator for bone fracture dilation and reposition during needle type operation |
| CN201279180Y (en) * | 2008-09-25 | 2009-07-29 | 冯建明 | Skull traction bow |
| CN201316308Y (en) * | 2008-11-19 | 2009-09-30 | 厦门大博颖精医疗器械有限公司 | Universal external fixer |
| CN201337510Y (en) * | 2008-12-08 | 2009-11-04 | 高广凌 | Multi-functional traction bow |
| CN102068300A (en) * | 2010-12-31 | 2011-05-25 | 任绍东 | Traction bow for treating fracture |
| CN202051800U (en) * | 2011-04-07 | 2011-11-30 | 陶涛芳 | Miniature combined fracture reduction fixer |
| CN202051802U (en) * | 2011-04-25 | 2011-11-30 | 王洪光 | Traction bow |
| CN202113163U (en) * | 2011-06-23 | 2012-01-18 | 曲军杰 | Bone traction steel needle punching positioning device |
| CN202198710U (en) * | 2011-06-26 | 2012-04-25 | 曲向阳 | Traction bow with adjustable width |
| CN204133582U (en) * | 2014-11-14 | 2015-02-04 | 成都市新都区中医医院 | The adjustable orthopaedics of a kind of noinvasive draws nonskid device |
| CN205054390U (en) * | 2015-09-21 | 2016-03-02 | 山东航维骨科医疗器械股份有限公司 | Traction bow |
-
2015
- 2015-09-21 CN CN201510615643.1A patent/CN105213003B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5439465A (en) * | 1994-03-11 | 1995-08-08 | Tumibay; Delfin O. | Bone compression and distraction surgical tool |
| CN2438430Y (en) * | 2000-09-05 | 2001-07-11 | 彭远立 | Adjustable flux line orthopedia traction bow |
| CN2715704Y (en) * | 2004-03-15 | 2005-08-10 | 刘凤文 | Temporary fixator for bone fracture dilation and reposition during needle type operation |
| CN201279180Y (en) * | 2008-09-25 | 2009-07-29 | 冯建明 | Skull traction bow |
| CN201316308Y (en) * | 2008-11-19 | 2009-09-30 | 厦门大博颖精医疗器械有限公司 | Universal external fixer |
| CN201337510Y (en) * | 2008-12-08 | 2009-11-04 | 高广凌 | Multi-functional traction bow |
| CN102068300A (en) * | 2010-12-31 | 2011-05-25 | 任绍东 | Traction bow for treating fracture |
| CN202051800U (en) * | 2011-04-07 | 2011-11-30 | 陶涛芳 | Miniature combined fracture reduction fixer |
| CN202051802U (en) * | 2011-04-25 | 2011-11-30 | 王洪光 | Traction bow |
| CN202113163U (en) * | 2011-06-23 | 2012-01-18 | 曲军杰 | Bone traction steel needle punching positioning device |
| CN202198710U (en) * | 2011-06-26 | 2012-04-25 | 曲向阳 | Traction bow with adjustable width |
| CN204133582U (en) * | 2014-11-14 | 2015-02-04 | 成都市新都区中医医院 | The adjustable orthopaedics of a kind of noinvasive draws nonskid device |
| CN205054390U (en) * | 2015-09-21 | 2016-03-02 | 山东航维骨科医疗器械股份有限公司 | Traction bow |
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|---|---|
| CN105213003B (en) | 2017-03-29 |
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