CN2734158Y - Tibia extension device with elastic system - Google Patents
Tibia extension device with elastic system Download PDFInfo
- Publication number
- CN2734158Y CN2734158Y CN 200420092110 CN200420092110U CN2734158Y CN 2734158 Y CN2734158 Y CN 2734158Y CN 200420092110 CN200420092110 CN 200420092110 CN 200420092110 U CN200420092110 U CN 200420092110U CN 2734158 Y CN2734158 Y CN 2734158Y
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- China
- Prior art keywords
- tibia
- frame
- elastic force
- spicule
- guide rail
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- Expired - Fee Related
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- 210000002303 tibia Anatomy 0.000 title claims abstract description 41
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 25
- 210000000459 calcaneus Anatomy 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 11
- 210000004872 soft tissue Anatomy 0.000 abstract description 7
- 210000002414 leg Anatomy 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 206010010356 Congenital anomaly Diseases 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000000399 orthopedic effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 210000002683 foot Anatomy 0.000 description 4
- 239000004606 Fillers/Extenders Substances 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 210000001699 lower leg Anatomy 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 206010012335 Dependence Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
An orthopedic surgical instrument-a tibia extending device with an elastic system. It is composed of guide rail, nut, elastic system, tibial spicule frame, bow-shaped frame and calcaneal spicule. The device is simple in structure, convenient to adjust and small in needle threading diameter, the extension is ensured to be straight from the structural design, the elastic system with the design is used for clamping and fixing the calcaneal bone needle, the calcaneal bone is randomly extended while the tibia is extended, and the soft tissues such as the heel key and the like are synchronized with the extension of the tibia. Meanwhile, due to the design of the spring component, the following key is elastically prolonged all the time in the prolonging process, so that the prolonging process is more humanized. Because the soft tissues such as the heel key and the like are synchronous with the extension of the tibia, the tendencies of drop foot, inward turning and outward turning are solved. Becomes an ideal tibia extension device with an elastic system and is used for solving the difficult problems that one congenital (or acquired) leg is short and needs to be long. The fixing is firm and reliable, and the patient can move out of the bed in the process of prolonging the management and is beneficial to doing work and doing exercise.
Description
Technical field: this utility model relates to a kind of Orthopeadic Surgery apparatus.Especially relate to a kind of tibia lengthening device with the elastic force system.
Background technology: bone prolonged in the past, and the extender of external is all adopted in the operation of the especially prolongation of tibia (comprising the prolongation of both legs), divides monolateral and bilateral two kinds usually.Its method is that tibia is blocked, and spicule is squeezed at two ends, loads onto adjustable external fixer---the external extender, come to make tibia lengthening regeneration for moving tibia one end and the isolating means of the other end by regulating the spicule folder.This method effect when prolongation less (generally within 4CM) is all right, if again the prolongation more, owing to the effect and the prolongation applied extension force of biomechanics power are contended with, just cause angujation tibia.Especially adopt monolateral extender obvious especially, even more serious is since tibia in the prolongation process, the shank soft tissue prolongs simultaneously, does not often satisfy the needs of tibia lengthening with the prolongation of key, so, cause strephenopodia or strephexopodia even because of causing intersection point with key is short.Adjustment is got up very difficult and is difficult for reaching ideal effect.
Summary of the invention: the purpose of this utility model is: provide a kind of simple in structure, easy to adjust, the diameter of threading a needle is little, guarantee that from structure tibia lengthening is straight, especially under the assurance of elastic force system, make with soft tissue such as key and tibia lengthening synchronously, solve intersection point and the inside and outside trend of turning over of foot.Become the tibia lengthening device of an ideal band elastic force system, it is short and need a difficult problem of long to solve the one leg of congenital (or posteriority) with what.The technical solution of the utility model is that this utility model is made up of guide rail, nut, elastic force system, tibia spicule, tibial bone punch block, bow type frame and calcaneus spicule.Guide rail, a cover elastic force system, two pairs of tibial bone punch blocks are formed a side main body of the present utility model, the bilateral frame-type device that this side main body and the isostructural main body of opposite side connect together and form with two cover bow type framves.Guide rail is the screw thread bar type structure, and elastic force system, tibial bone punch block are installed on the guide rail in turn, and nut is being twisted in both sides, and these nuts of turn can make elastic force system and tibial bone punch block move along guide rail.Tibia spicule and calcaneus spicule are fitted in respectively on the press rods of tibial bone punch block and elastic force system.Spicule clamper on the ZL0020245.9 " bone Handling device " of its structural similarity what design of tibial bone punch block is made up of tight screw, tibia spicule gland and tibial bone punch block body, is used for clamping tibia spicule.The elastic force system is made up of support, pressure screw, press rods, spring, system's cover and lock screw.Support is a rectangle assembly, and a round tube hole is opened in its one side upper end, and guide rail passes from this round tube hole, support and guide rail is is slidingly matched, and opens a large rectangle groove under this through hole, and a little rectangular through slot is opened in the side.Press rods and spring are installed in system's cover and in the right side anti-riveting, and system's cover passes from the large rectangle groove that support is opened, and can move up and down in groove.Open a through hole on the press rods so as the calcaneus spicule wear folder.Bow type frame by left frame, rivet, right frame, mark closely, slide rail, fixture block form.Left side frame and slide rail closing-up, there is an elongated slot right frame top, penetrates to mark closely with slide rail to link to each other.Left side frame can separate or close width with adjusting bow type frame along slide rail with right frame, and left frame and right frame side end and the fixture block place of being involutory have semi-circular groove, and bow type frame is finished with the mode that clamps by fixture block that is connected of guide rail.
Good effect of the present utility model is:
1, the tibia lengthening device of band elastic force system is a bilateral frame-type device, and is simple in structure, can multi-facetedly adjust, and easy to adjust.
2, the diameter smallest number of threading a needle is few, so little to the human body wound.
3, because of being bilateral tower structure, overtime is steady, stress equalization.
4, the elastic force system of its design is used for gripping of calcaneus spicule, calcaneus prolongs at random when prolonging tibia, makes with soft tissues such as keys synchronously with tibia lengthening, and the while has been designed spring members by what, make with key in the prolongation process, to be in the elasticity prolongation constantly, make the prolongation process more humane.
5, can adjust at any time in the prolongation process, to avoid occurring intersection point and the inside and outside fault of turning over of foot, be an outstanding apparatus of ideal management after operation.
6, fixation is reliable, takes exercise but whole prolongation management process patient ambulation helps to do function.
Description of drawings:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the STRUCTURE DECOMPOSITION sketch map of tibial bone punch block of the present utility model
Fig. 3 is the structural representation of bow type frame of the present utility model
Fig. 4 is the structure cross-sectional schematic of elastic force of the present utility model system
Fig. 5 is the structural representation of support of the present utility model
Fig. 6 is the structural representation of press rods of the present utility model
Fig. 7 is the structure cross-sectional schematic of system of the present utility model cover
The specific embodiment: enforcement of the present utility model is described in further detail below in conjunction with accompanying drawing, it shown in Fig. 1-7 the tibia lengthening device of band elastic force system, it is made up of guide rail 1, nut 2, elastic force system 3, tibia spicule 4, tibial bone punch block 5, bow type frame 6 and calcaneus spicule 7, as shown in Figure 1.Guide rail 1 is the screw thread bar type structure.Elastic force system 3, tibial bone punch block 5 orders are installed on the guide rail 1, all are screwed with nut 2 in elastic force system 3, tibial bone punch block 5 both sides, screw nut 2 and can arbitrarily change their positions on guide rail 1.Tibial bone punch block 5 is made up of housing screw 5-1, tibia spicule gland 5-2, tibial bone punch block body 5-3, as shown in Figure 2.
As shown in Figure 1, 2, tibia spicule 4 is pressed and is clipped in the semi-circular recesses of splitting between tibia spicule gland 5-2 and the tibial bone punch block body 5-3, and compresses with housing screw 5-1.
Elastic force system 3 is made up of support 3-1, pressure screw 3-2, press rods 3-3, spring 3-4, the cover 3-5 of system and lock screw 3-6, as shown in Figure 4.The cover 3-5 of system is the dark pipe on a band edge, and lateral layout has a female thread, is used for being screwed into lock screw 3-6, as shown in Figure 7.Support 3-1 is a rectangle assembly, and a round tube hole is opened so that guide rail 1 passes in its one side upper end as shown in Figure 5, opens a large rectangle groove under through hole, and side is opened a little rectangular through slot.As shown in Figure 4, press rods 3-3 and spring 3-4 are through in the cover 3-5 of system and in the right side anti-riveting.The cover 3-5 of system is installed in the large rectangle groove of support 3-1, can do moving up and down, and the back, location is fixed with lock screw 3-6.Press rods 3-3 for being slidingly connected, when axially loaded, does elastic telescopic under external force and spring force effect in the cover 3-5 of system.
Guide rail 1, a cover elastic force system 3, two pairs of tibial bone punch blocks 5 and six nuts 2 are formed side main bodys of the present utility model as shown in Figure 1.Two cover main bodys link up with two pairs of bow type framves 6.
Shown in Fig. 1,3 bow type frame 6 by left frame 6-1, rivet 6-2, right frame 6-3, mark closely 6-4, slide rail 6-5, fixture block 6-6, screw 6-7 form.Left side frame 6-1 and slide rail 6-5 rivet 6-2 riveted.Right frame 6-3 top has an elongated slot to penetrate to mark closely 6-4 and links to each other with slide rail 6-5.Unclamp and mark closely 6-4, left frame 6-1 and right frame 6-3 are separable or close to regulate the width of bow type frame 6.Left side frame 6-1 and right frame 6-3 side and the fixture block 6-6 place of being involutory have semi-circular groove, as shown in Figure 1 guide rail 1 are sandwiched in this groove to connect two covers main body of the present utility model.
As shown in Figure 1, squeeze into tibia spicule 4 respectively at the two ends that tibia blocks, place the shank both sides to clamp tibia spicule 4 two cover main bodys again with tibial bone punch block 5, calcaneus spicule 7 is squeezed in the calcaneus and is penetrated in the radial direction through hole of press rods 3-3 of elastic force system 3, and the position of regulating each part makes it reach fastening each screw and nut 2 behind the design attitude.When nut 2 that unclamps tibial bone punch block 5 both sides and turn nut 2, this tibial bone punch block 5 is moved along guide rail 1, then drive the relative distal tibial of proximal tibia and do isolated movement, make tibia lengthening to the greatest extent.Because the tibial bone punch block 5 of distal tibial has been tightened with each clamp nut 2 of elastic force system 3, so be integral, this moment, soft tissue also prolonged thereupon.Because of elastic force system 3 is the assemblys that spring 3-4 is arranged, make soft tissue be elastic telescopic and make prolongation more humane at overtime, guaranteed not produce in the prolongation process intersection point and the inside and outside addiction disease of turning over of foot.Because elastic force system 3 can move along guide rail 1, when the elastic force system 3 of both sides simultaneously when a direction moves, can change the intersection point state, when the elastic force system 3 of a side to far-end move, the elastic force system 3 of opposite side when near-end moves, can change sufficient inside and outside turning over to realize that this utility model adjusts the inside and outside function of turning over of foot at random.
Claims (4)
1, a kind of tibia lengthening device with the elastic force system, it is made up of guide rail, nut, elastic force system, tibia spicule, tibial bone punch block, bow type frame and calcaneus spicule, it is characterized in that forming a side main body of the present utility model with the tibia lengthening device of elastic force system by a guide rail, a cover elastic force system, two pairs of tibial bone punch blocks, the bilateral frame-type device that this side main body and isostructural opposite side main body connect together and form with two cover bow type framves.
2, the tibia lengthening device of band elastic force according to claim 1 system, it is characterized in that its elastic force system is made up of support, pressure screw, press rods, spring, system's cover and lock screw, support is a rectangle assembly, a round tube hole is opened in its one side upper end, guide rail passes from this round tube hole and support and guide rail is be slidingly matched, open a large rectangle groove under through hole, a little rectangular through slot is opened in the side.
3, the tibia lengthening device of band elastic force according to claim 1 system, it is characterized in that its press rods and spring are through in system's cover, and in the right side anti-riveting, system's cover passes from the large rectangle groove of support, and can in groove, move up and down, open a through hole on the press rods, so as the calcaneus spicule wear folder.
4, the tibia lengthening device of band elastic force according to claim 1 system, it is characterized in that bow type frame by left frame, rivet, right frame, mark closely, slide rail, fixture block form, left side frame and slide rail closing-up, there is an elongated slot right frame top, penetrate to mark closely and link to each other with slide rail, a left side frame and right frame can separate or close along slide rail, and with the width of adjusting bow type frame, left frame and right frame side end and the fixture block place of being involutory have semi-circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092110 CN2734158Y (en) | 2004-08-23 | 2004-08-23 | Tibia extension device with elastic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092110 CN2734158Y (en) | 2004-08-23 | 2004-08-23 | Tibia extension device with elastic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2734158Y true CN2734158Y (en) | 2005-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420092110 Expired - Fee Related CN2734158Y (en) | 2004-08-23 | 2004-08-23 | Tibia extension device with elastic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2734158Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210605A (en) * | 2010-04-07 | 2011-10-12 | 上海微创骨科医疗科技有限公司 | Bone pressing support |
| CN102429713A (en) * | 2010-09-29 | 2012-05-02 | 汤福刚 | Minimally invasive skeletal external fixation device for correcting foot accelerator drop and talipes varus |
| CN103462675A (en) * | 2012-06-07 | 2013-12-25 | 汤福刚 | Single-side double-rail combined skeletal external fixation device |
-
2004
- 2004-08-23 CN CN 200420092110 patent/CN2734158Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102210605A (en) * | 2010-04-07 | 2011-10-12 | 上海微创骨科医疗科技有限公司 | Bone pressing support |
| CN102429713A (en) * | 2010-09-29 | 2012-05-02 | 汤福刚 | Minimally invasive skeletal external fixation device for correcting foot accelerator drop and talipes varus |
| CN102429713B (en) * | 2010-09-29 | 2013-12-04 | 汤福刚 | Minimally invasive skeletal external fixation device for correcting foot accelerator drop and talipes varus |
| CN103462675A (en) * | 2012-06-07 | 2013-12-25 | 汤福刚 | Single-side double-rail combined skeletal external fixation device |
| CN103462675B (en) * | 2012-06-07 | 2015-10-21 | 汤福刚 | Monolateral double track Combined bone external fixer |
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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 |