CN2356649Y - Multi-plane high-flexibility tubular fracture external fixator - Google Patents
Multi-plane high-flexibility tubular fracture external fixator Download PDFInfo
- Publication number
- CN2356649Y CN2356649Y CN 99204187 CN99204187U CN2356649Y CN 2356649 Y CN2356649 Y CN 2356649Y CN 99204187 CN99204187 CN 99204187 CN 99204187 U CN99204187 U CN 99204187U CN 2356649 Y CN2356649 Y CN 2356649Y
- Authority
- CN
- China
- Prior art keywords
- spicule
- support bar
- mandrel
- card
- external fixator
- 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.)
- Expired - Fee Related
Links
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 19
- 206010017076 Fracture Diseases 0.000 abstract description 22
- 208000010392 Bone Fractures Diseases 0.000 abstract description 21
- 208000024779 Comminuted Fractures Diseases 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 208000002565 Open Fractures Diseases 0.000 abstract description 2
- 230000002146 bilateral effect Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 208000007981 Humeral Fractures Diseases 0.000 description 1
- 206010020462 Humerus fracture Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
A multi-plane high-flexibility tubular fracture external fixator. It comprises a supporting rod, a bone needle fixer arranged on the supporting rod and a bone tension adjuster arranged on the supporting rod. The multi-plane high-flexibility tubular fracture external fixator with multiple types can be formed by different combinations. The external fixation device is suitable for external fixation of tubular fractures of different parts and different types, has good effect on open and comminuted fractures, and has the functions of flexible adjustment, firm and reliable fixation, bone pressurization and bone lengthening.
Description
This utility model relates to a kind of Orthopeadic Surgery apparatus.Particularly a kind of many planes high flexibility tubulose fracture external fixator.
The structure of the external fixator of tubular bone fracture (or external fixer) becomes more diverse in recent years.Substantially be divided into several classes such as monolateral (or single pole), bilateral (comprising semi-ring), loopful.Can be divided into two kinds on monoplane, many planes again.
Present widely used external fixator, its spicule penetrate behind the folding bone all on same plane, are commonly called as the monoplane external fixator, and the fastness of this external fixator is poor, during operation the depth of parallelism of threading a needle is required high, and also limitation very of motility.
It is a kind of simple in structure, easy to adjust and can form the external fixator of many planes high flexibility of monolateral, bilateral multiple pattern that the purpose of this utility model is to provide.
Task of the present utility model realizes as follows:
Many planes high flexibility tubulose fracture external fixator, it comprises support bar, can be contained in the spicule holder on the support bar and be installed in bone tension and compression actuator on the support bar.
The X-axis lock tube of spicule holder is that axis hole combines with the Y mandrel, and bore with through hole combination back, and support bar passes from the hole, with hold-down nut in advance with fixing; X ' shaft lock cover, x ' mandrel are the axis hole combination also, and drill through the hole Y mandrel is passed from the hole; X ' mandrel also is installed with card and the outer card of spicule in the spicule, when the spicule clamp nut screws, can fastening spicule, and tighten up card in the spicule, the outer card of spicule and x ' mandrel, Y mandrel simultaneously, make the relative support bar of spicule realize fixedly securing.
The Zola of bone tension and compression actuator presses card to be the left hand thread structure, and right tension and compression card is the right-handed thread structure, and adjusting lever is one and is with the left and right externally threaded straight-bar that revolves.When needs carry out bone pressurization (or bone overtime), press card and right tension and compression card to be stuck in by the lock tube of X-axis separately of two spicule holders the Zola, rotate adjusting lever two X-axis lock tubes are moved relative to (or opposing), finish tension-compression functions.
Good effect of the present utility model is:
1, each all adopts the axis hole structure in conjunction with link, can do relative freely rotating and moving freely.
2, the spline type groove that has all added tooth type structures on the axial wall of each axis hole junction and the hole wall is when being rotated with, fixing very firm.
3, the spicule holder has axis hole combination of two places and place plane combination, makes spicule can do moving freely and rotating of X, Y, Z axle, and therefore, spicule can be adjusted flexibly.Simultaneously per two spicules all can become the angle to penetrate the folding bone, can reach ideal fixedly securing when becoming angle＞15 ° according to theory of medicine two spicules.This utility model can provide 64 ° at great achievement angle.
4, per two spicules are determined a plane, and four spicules have been established a plurality of planes ....This utility model provides many planes to fasten fixed feature.
5, this utility model design has the tension and compression actuator can carry out bone pressurization and bone prolongation.
6, this utility model can increase complete spicule holder on demand to satisfy the needs that increase fixation of fractures spicule quantity.
7, this utility model can add bar, add the spicule holder to satisfy different external fixation requirements; And can form monolateral, the bilateral external fixation device of many planes high flexibility.
8, easy to operate, can unclamp the reduction that two spicule holders are rolled over bone at any time, after resetting, ideal screws the external fixation purpose that the spicule clamp nut can reach desirable reduction and fixedly secure when reaching.
9, this utility model is suitable for the external fixation of all tubulose fracture.More convenient for the medicine-feeding of open fracture, the operation of changing dressings, do not influence blood circulation, less, do not have and infect, it is rapider to recover from injury.
Below in conjunction with accompanying drawing into detailed description is made in enforcement of the present utility model:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is that support bar of the present utility model combines cross-sectional schematic with the spicule holder
Fig. 3 is the fixedly structure cross-sectional schematic of link of spicule of the present utility model
Fig. 4 is a bone tension and compression controller structure cross-sectional schematic of the present utility model
Fig. 5 is the structural representation of second kind of embodiment of the present utility model
Fig. 6 is the structural representation of the third embodiment of the present utility model
Fig. 7 is a semi-loop sketch map among the third embodiment of the present utility model
Fig. 8 is the structural representation of the 4th kind of embodiment of the present utility model
Fig. 9 is the structural representation of the 5th kind of embodiment of the present utility model
Figure 10 is the cross-sectional schematic of retainer ring among the 5th kind of embodiment of the present utility model
Additional structure sketch map when Figure 11 is this utility model extension bar
Figure 12 is this utility model extension bar additional structure cross-sectional schematic
It shown in Fig. 1-4 many planes of single pole high flexibility tubulose fracture external fixator.It is made up of support bar 1, quadruplet (being made up of card 7, the outer card 8 of spicule and spicule clamp nut 9 in hold-down nut 2, X-axis lock tube 3, Y mandrel 4, x ' shaft lock cover 5, x ' mandrel 6, the spicule) spicule holder and (pressing card 10, adjusting lever 11, right tension and compression card 12 to form by the Zola) bone tension and compression actuator, finishes its design function.
The X-axis lock tube 3 of spicule holder is enclosed within on the Y mandrel 4 as shown in Figure 2, and support bar 1 passes from the through hole of X-axis lock tube 3 and Y mandrel 4, and available hold-down nut 2 is rotated with.Y mandrel 4 passes the through hole of x ' shaft lock cover 5 and x ' mandrel 6 simultaneously, as shown in Figure 3, also is with card 7 and the outer card 8 of spicule in the spicule on x ' mandrel 6, and its termination is rotary with spicule clamp nut 9.The faying face of the outer card 8 of card 7 and spicule is drilled with spicule and penetrates the hole in the spicule, therefrom passes in order to spicule.When screwing spicule clamp nut 9, card 7 is drawn close with the outer card 8 of spicule and is compressed spicule in the spicule, the interior card 7 of while spicule compresses x ' shaft lock cover 5 moves axially trivial cover 5 relative x ' mandrels 6 generations of x ' axle, make the two drill through the hole center displacement, just firmly blocked the Y mandrel 4 that passes this hole this moment, plays the fixedly purpose to spicule and Y mandrel 4.
When spicule clamp nut 9 unclamped, interior card 7 of spicule and the outer card 8 of spicule can drive spicule and rotate freely around x ' mandrel 6, and x ' mandrel 6 again can be around 4 rotations of Y mandrel simultaneously, and visible spicule has the function around X-axis, Y-axis rotation; Simultaneously by what x ' mandrel 6 again relatively Y mandrel 4 move axially, so spicule is moved along y-axis shift.
When hold-down nut 2 unclamped, Y mandrel 4 can be around support bar 1 rotation; Y mandrel 4 can move along support bar 1 again, then drives spicule and finishes locomotive function along X-axis.
Shown in Fig. 2,3, adopt X-axis lock tube 3, x ' shaft lock cover 5, Y mandrel 4, x ' mandrel 6 and the support bar 1 of axis hole structure, have the groove of spline type on the outer wall of the inwall in the hole of its junction and axle, increased solid periodic fastness greatly.
Spicule can move and rotate in the through hole of card 8 outside card 7 and the spicule in spicule relative to card-be suitable what spicule along the Z axle move and around the rotation of Z axle.
In sum this structure reach make spicule around X, Y, Z axle freely rotate and along the locomotive function freely of X, Y, Z axle.
Two cover spicule holders can be realized the one-tenth angle fixed function of two spicules, show that as Fig. 1 quadruplet spicule holder is configured on the support bar 1 simultaneously, just realized the purpose of four spicule composition multi-plane structures.
As shown in Figure 4, bone tension and compression actuator is pressed card 10, is with the right tension and compression card 12 of dextrorotation female thread and is with and left and rightly revolve externally threaded adjusting lever 11 and form by the Zola of band levogyrate inner thread.See Fig. 1, be stuck in X-axis lock tube 3 sides of a spicule holder when the Zola who design is had opening presses card 10; Right tension and compression card 12 be stuck in the X-axis lock tube of another spicule holder 3 other (when hold-down nut it on 2 when unclamping) when rotating adjusting lever 11, the Zola presses card 10 and right tension and compression card 12 relative drawing close (or opposing leaving), just drive two spicule holders and shift near (or removing) along support bar 1 relatively, then finish the mobile purpose that reaches bone pressurization (or bone prolongation) of spicule.
Fig. 5-the 12nd, other several embodiments of the present utility model.Promptly many planes of single pole high flexibility tubulose fracture external fixator is developed the external fixator that just can form multiple pattern a little, to adapt to the external fixation of different types, different parts fracture.
Second kind of embodiment of the present utility model shown in Fig. 5 is bilateral many planes high flexibility tubulose fracture external fixator.It is made up of two many planes of cover single pole high flexibility tubulose fracture external fixators, and the two is positioned at the parallel placement of same horizontal plane, and its used spicule is a kesi pin, and as shown in Figure 5, every corresponding a pair of spicule holder is being fixed same Gen Kesi spicule.Every spicule can both do flexibly required scope around the rotation of X, Y, Z axle and moving along X, Y, Z axle.The two piece spicules of same section folding on the bone can become the angle to penetrate, (its design great achievement angle can reach 64 °).This holder is used for open humeral fracture can obtain more solid and reliable reduction fixed effect.
Fig. 6-7 illustrates the third embodiment of the present utility model, and it is to become many planes of semi-ring high flexibility tubulose fracture external fixator by second kind of embodiment differentiation.It is by two covers (respectively removing two cover spicule holders) many planes of single pole high flexibility tubulose fracture external fixator, has added that again two pairs of semi-ring type accessory spicule fixed mounts form.Accessory spicule fixed mount shown in Figure 7 by semi-ring 13, accessory spicule gim peg 14, auxiliary hold-down nut 15, and clamp-screw 20 form, see that Fig. 6 shows.Semi-ring 13 two ends are stuck on the support bar 1, and fixing with clamp-screw 20.Have groove on the semi-ring 13 as shown in Figure 7, accessory spicule gim peg 14 can move along groove, is drilled with the radial direction through hole that allows accessory spicule pass on it.Therefore accessory spicule is free to rotate and mobile.When auxiliary hold-down nut 15 screwed, the relative semi-ring 13 of accessory spicule was fixed.It is more suitable and reliable that many planes of semi-ring high flexibility tubulose fracture external fixator of this programme is used for the external fixation of oblique type fracture.
The 4th kind of embodiment of the present utility model shown in Figure 8 be actual to be added the semi-ring type accessory spicule fixed mount that designs in one pair of the 3rd embodiment exactly and forms on the basis of bilateral many planes of second kind of embodiment high flexibility tubulose fracture external fixator.Can more help knitting with accessory spicule with the broken reduction of bulk when it is used for comminuted fracture, be the ideal external fixer of comminuted fracture.
Shown in Fig. 9-10 is the 5th kind of embodiment structure situation of the present utility model.Be the bilateral many planes of an angie type high flexibility tubulose fracture external fixator as shown in Figure 9.It is to add that by many planes of the single pole of two covers high flexibility tubulose fracture external fixator two adjustable fixed mounts combine.The spicule plane becomes 90 ° in the space.Dismantle bail 25 as shown in figure 10, last mandrel 24 can be removed relatively with following mandrel 26, adjustable fixed mount is prolonged or shortens, reuse bail 25 shape of adjustable fixed mount that has been tightened behind position suitable.When tightening up locking nut 23 again, two support bar 1 relative localizations.Adjustment and fixed bone spicule holder have just been finished external fixation work.The bilateral many planes of this angie type high flexibility tubulose fracture external fixator more is applicable to the external fixation of fracture of shaft of femur, the front side and the outside that can be taken at femoral shaft (thigh) because of its position of threading a needle can be avoided neural and blood vessel compact district like this, and the spicule plane becomes the angle big, makes fixing more solid and reliable.
All not shown bone tension and compression actuator in the structural representation of the external fixator of Fig. 5, Fig. 6, Fig. 8, of the present utility model other four kinds of embodiments shown in Figure 9, as long as need all can (pressing card 10, adjusting lever 11, right tension and compression card 12 to form by the Zola) bone tension and compression actuator be stuck on the X-axis lock tube 3 of two spicule holders referring to position shown in Figure 1, rotation adjusting lever 11 all can be realized the purpose that bone pressurization and bone prolong.
When making support bar 1 spreading when making support bar that the angle be arranged into (or) add the extension bar additional mechanism providing additional operation shown in Figure 11-12, finish by needs.Support bar 1 usefulness shown in Figure 11 (X-axis lock tube 3, Y mandrel 4, following jar 18, mandrel 17, go up jars 16, down hold-down nut 19, go up hold-down nut 21) the extension bar additional structure links up another root support bar 1.Support bar 1 passes that available hold-down nut 2 tightens up (referring to shown in Figure 2) in the through hole of X-axis lock tube 3 and Y mandrel 4, Y mandrel 4 passes down in the through hole of jar 18 and mandrel 17 simultaneously as shown in figure 12, available hold-down nut down 19 is fixed, mandrel 17 upper ends are with jars 16 and be drilled with through hole, use hold-down nut 21 after from then on another root support bar 1 passes in the hole and tighten up.Because each is the axis hole structure in conjunction with link, can relatively rotate and move, so two support bars 1 can be done the variation of any angle and different distance, so extension bar angle, change in location are very flexible, after all nuts are screwed, fixedly secure because of being processed with the spline type groove as shown in Figure 2 on the hole that respectively tightens up link, the axial wall, therefore can reaching reliably again.
Extension bar additional structure shown in Figure 11-12 can be used for changing and the function needs with the diverse location that increases external fixation in arbitrary embodiment of the present utility model.
Claims (9)
1, a kind of many planes high flexibility tubulose fracture external fixator, it comprises support bar, spicule holder, bone tension and compression actuator, it is characterized in that: the spicule holder is installed on the support bar.
2, tubulose external fixation of fracture as claimed in claim 1, it is characterized in that: said support bar is one, and bone tension and compression actuator is housed on the support bar, and quadruplet spicule holder is housed on the support bar.
3, tubulose fracture external fixator as claimed in claim 1 is characterized in that: said support bar is two, and both are positioned at the parallel placement of same horizontal plane.
4, tubulose fracture external fixator as claimed in claim 3 is characterized in that: two cover spicule holders are housed on the every support bar.
5, tubulose fracture external fixator as claimed in claim 3 is characterized in that: quadruplet spicule holder is housed on the every support bar.
6, as claim 1,2,3,4,5 described tubulose fracture external fixators, it is characterized in that: be equipped with by X-axis lock tube, Y mandrel, following jar, mandrel on the support bar, go up jar, down hold-down nut, go up the adjunction linkage that hold-down nut is formed.Be fixed with another root support bar on the adjunction linkage.
7, as claim 1,2,3,4 described tubulose fracture external fixators, it is characterized in that: said spicule holder is made up of card, the outer card of spicule in X-axis lock tube, Y mandrel, x ' shaft lock cover, x mandrel, the spicule.
8, as claim 6,7 described tubulose fracture external fixators, it is characterized in that: said X-axis lock tube, Y mandrel, x ' shaft lock cover, x ' mandrel, following jar, mandrel, go up and jar be the axis hole cooperation, the outer surface of its axis, the inner surface in hole all have the spline groove, by nut axis hole are fixed.
9, tubulose fracture external fixator as claimed in claim 2 is characterized in that: said bone tension and compression actuator presses card, adjusting lever, right tension and compression card to form by the Zola.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99204187 CN2356649Y (en) | 1999-03-23 | 1999-03-23 | Multi-plane high-flexibility tubular fracture external fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99204187 CN2356649Y (en) | 1999-03-23 | 1999-03-23 | Multi-plane high-flexibility tubular fracture external fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2356649Y true CN2356649Y (en) | 2000-01-05 |
Family
ID=33999038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99204187 Expired - Fee Related CN2356649Y (en) | 1999-03-23 | 1999-03-23 | Multi-plane high-flexibility tubular fracture external fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2356649Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100473846C (en) * | 2004-03-10 | 2009-04-01 | 斯恩蒂斯有限公司 | Device for mutual positioning of longitudinal building components |
| CN100539960C (en) * | 2007-08-16 | 2009-09-16 | 王纪亮 | Universal type fixer outside far end bone of radius |
| CN100553575C (en) * | 2003-06-26 | 2009-10-28 | 斯恩蒂斯有限公司 | The two clamps that are used for the elastic atresia of external fixator |
| CN101296665B (en) * | 2005-06-21 | 2013-05-29 | 新特斯有限责任公司 | Adjustable fixation clamp |
| CN110025370A (en) * | 2019-05-10 | 2019-07-19 | 张纯朴 | A kind of Limb lengthening, bone move external adjuster and its assemble method |
-
1999
- 1999-03-23 CN CN 99204187 patent/CN2356649Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100553575C (en) * | 2003-06-26 | 2009-10-28 | 斯恩蒂斯有限公司 | The two clamps that are used for the elastic atresia of external fixator |
| CN100473846C (en) * | 2004-03-10 | 2009-04-01 | 斯恩蒂斯有限公司 | Device for mutual positioning of longitudinal building components |
| CN101296665B (en) * | 2005-06-21 | 2013-05-29 | 新特斯有限责任公司 | Adjustable fixation clamp |
| CN100539960C (en) * | 2007-08-16 | 2009-09-16 | 王纪亮 | Universal type fixer outside far end bone of radius |
| CN110025370A (en) * | 2019-05-10 | 2019-07-19 | 张纯朴 | A kind of Limb lengthening, bone move external adjuster and its assemble method |
| CN110025370B (en) * | 2019-05-10 | 2024-04-26 | 张纯朴 | External adjuster for bone extension and bone movement and assembling method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1242729C (en) | Improved axial external fixator | |
| CN1142753A (en) | Patient-operated orthopedic device | |
| DE69113385T2 (en) | External support for holding and reducing broken bones. | |
| US8998902B2 (en) | Multi-pin clamp and rod attachment | |
| CN1281193C (en) | Disposable external fixation device | |
| JP4945791B2 (en) | Unilateral bone anchor | |
| EP1229846B1 (en) | External fixation system | |
| AU647551B2 (en) | External fixator | |
| CN1074972C (en) | Power tool and mechanism | |
| US5928230A (en) | Articulated external orthopedic fixation system and method of use | |
| EP0140591A2 (en) | A unilateral external fixation system for small bones | |
| CN1427693A (en) | Ring fixator | |
| CN2356649Y (en) | Multi-plane high-flexibility tubular fracture external fixator | |
| CN108620919A (en) | Floating press mechanism for clamping workpiece in mechanical processing | |
| CN1127325C (en) | Compact external fixator | |
| CN1230128C (en) | Device for externally securing fractures | |
| CA2615223A1 (en) | Wire retainer for surgical device | |
| CN1925802A (en) | External fixing appliance for bone-knitting | |
| CN2429127Y (en) | Bone transport implementation device | |
| RU2140224C1 (en) | Rod-tyre compression-distraction apparatus, reposition assembly for apparatus and facility for axial motion of apparatus intraosseous rods | |
| CN1128194A (en) | Method of an device for elongating and rlaxing a stud and the like | |
| CN111388167A (en) | Joint skeleton supporting mechanism | |
| CN200948164Y (en) | Remote external fixing frame of radio | |
| CN217566282U (en) | Telescopic universal external fixing frame | |
| RU2140223C1 (en) | Device for perosseous osteosynthesis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |