CN203425023U - Multifunctional regulation external fixator for calcaneus - Google Patents
Multifunctional regulation external fixator for calcaneus Download PDFInfo
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- CN203425023U CN203425023U CN201320551338.7U CN201320551338U CN203425023U CN 203425023 U CN203425023 U CN 203425023U CN 201320551338 U CN201320551338 U CN 201320551338U CN 203425023 U CN203425023 U CN 203425023U
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Abstract
The utility model provides a multifunctional regulation external fixator for the calcaneus. The fixator is composed of an external fixator frame body, a steel needle fixing clip connected onto the external fixator frame body and steel needles clamped in the steel needle fixing clip. The external fixator frame body comprises a hole full ring, a forefoot C-shaped hole semi ring and a hind foot C-shaped hole semi ring. A plurality of holes are evenly distributed in the hole full ring, dynamic elastic drawing fixing devices penetrate the holes in the front side and the rear side of the hole full ring respectively, and the device is connected with the C-shaped hole semi rings through connection rod joint devices. Two threaded connection rods are fixed on the left side and the right side of the hole full ring, connected with a three connection rod joint device and connected with the forefoot C-shaped hole semi ring and the hind foot C-shaped hole semi ring through the joint device and other threaded connection rods. The fixator has various functions of multi-way fixation, drawing, pressurizing and the like, can be regulated, is convenient to operate, can effectively balance mechanical energy and biological energy and is favorable for fracture healing and joint function recovery.
Description
Technical field
This utility model relates to a kind of bone surgical operation appliances, especially a kind of external fixator that is used for the treatment of talipes calcaneus portion osteopathia.
Background technology
Fracture of calcaneus is a kind of violent common foot fractures, and the fracture that de-stress, vertical compression force, shear stress cause like that, is more common in person between twenty and fifty, and such fractures effect is undesirable, and severe patient easily stays disability.For the undesirable serious splintered fracture of operation internal fixation treatment effect, and with the serious foot fractures of soft tissue injury, bone fixedly has larger using value outward.If can be fully recognized that the potential value of bone External fixation theory and know-why, the skilled outer fixing model of action of bone of grasping, in clinical practice, surely can germinate new intention, as drawing-off reset fixing, the multidirectional pressurization of threading a needle of multiple spot is fixing and the application of Mini-size external fixer etc.The medical thinking model of strengthening Wicresoft's consciousness, easy and simple to handle and low-cost, also can promote that bone is fixed on the application of foot orthopaedic trauma outward.Bone is fixed on foot application outward except having multiple mechanics model of action, as static state fix, pressurize fixing, drawing-off is fixed, trans-articular is fixed and truss mode outside, also there is the advantages such as promptness, convenience and motility of less invasive techniques and treatment.If above-mentioned advantage can be brought into play, by the treatment of foot fractures being provided to new, supplement.
The external fixator that is used for the treatment of at present calcaneus and foot osteopathia is mainly Ilizarov external fixator.But this external fixator has following deficiency: (1) structure is numerous and diverse, and use procedure foot can not carry out weight training, and ankylosis easily occurs; (2) lack versatility: Ilizarov external fixator often only has the simple functions such as fixing or drawing-off; (3) operating difficulties, configuration needs interim assembling, to operation, causes very large difficulty.(4) function singleness, because there is no flexible fastening function, can not effectively control the balance of mechanical energy and bioenergy, is unfavorable for the reconstruction of B&J function.
Therefore, utility model is a kind of simple in structure, possess and comprise the several functions such as fixing, drawing-off, pressurization, convenient operation, and energy active balance mechanical energy and bioenergy, the multi-functional regulation and control external fixator of talipes calcaneus that is conducive to union of fracture and joint function rehabilitation, for the treatment with foot fractures and recovery tool significance.
Utility model content
The technical problems to be solved in the utility model is to provide the multi-functional regulation and control external fixator of a kind of talipes calcaneus, numerous and diverse to overcome prior art China and foreign countries fixer structure, lacks versatility, function singleness, operating difficulties, lacks elastic fixing device, cannot effectively control the problem of mechanical energy and bioenergy balance.
The multi-functional regulation and control external fixator of talipes calcaneus, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point being clipped in steel needle fixing clamp forms, external fixator support body comprises the hole loopful that is evenly distributed with a plurality of holes thereon, there is equally front foot C shape hole semi-ring and metapedes C shape hole semi-ring that a plurality of holes distribute, in the front side of hole loopful and the hole of rear side, each penetrates respectively anterior dynamic elasticity drawing-off fixture and rear portion dynamic elasticity drawing-off fixture, this device is connected with metapedes C shape hole semi-ring with front foot C shape hole semi-ring respectively with the second double link joint device by the first double link joint device separately, in the left and right sides of hole loopful, be fixed with respectively two whorl brace rod A, the other end of whorl brace rod A is connected with three link joint devices, by this two other outfan of joint device, via whorl brace rod C, whorl brace rod B, is connected respectively with front foot C shape hole semi-ring with metapedes C shape hole semi-ring.
Described rear portion dynamic elasticity drawing-off fixture comprises the first elastane thread connecting rod, adjusting nut, spring and single hole female thread brace, first elastane thread connecting rod one end is that threaded rod, the other end are polished rod, wherein adjusting nut moves along bar centerline direction spiral on threaded rod, to adjust the thrust of spring, threaded rod one end is fastenedly connected in the screwed hole of single hole female thread brace.Described anterior dynamic elasticity drawing-off fixture has the structure identical with rear portion dynamic elasticity drawing-off fixture.
Described three link joint devices are comprised of pin, a joint, middle part and joint, two outsides; Wherein, on each joint, be provided with for holding the screwed hole of whorl brace rod, the centre in joint, middle part has center and connects lobe, side, joint, outside has side and connects lobe, pin connects the connecting hole on lobe through three joints that are superimposed together respectively, thereby their connections is as a whole, and gyration is done around pin in three joints.
Described whorl brace rod C is fixed on front foot C shape hole semi-ring by two nuts, described whorl brace rod B is fixed to single hole external screw thread brace by two nuts, the thread rod part of this single hole external screw thread brace passes the hole on metapedes C shape hole semi-ring, and is pressed on metapedes C shape hole semi-ring by nut.
The polished rod part of the first elastane thread connecting rod in the dynamic drawing-off fixture in described front portion is directly inserted in the hole on hole loopful; The polished rod partial insertion of the second elastane thread connecting rod in the dynamic drawing-off fixture in described rear portion is bolted in the through hole of two hole braces on hole loopful.
For the fixing steel needle fixing clamp of draw point, be a kind of among the assembly of draw point pressure pad and draw point pad, inclined to one side greatly or little inclined to one side three, steel needle fixing clamp is separately fixed in the hole of hole loopful, front foot C shape hole semi-ring and metapedes C shape hole semi-ring.
The beneficial effects of the utility model are:
(1) this utility model structure optimization, with the structure of easy dexterity, forms the ankle and foot external fixator with fixing, multidirectional drawing-off and Dynamic Elastic function, meet topography feature, be convenient to functional training, easy to operate, can complete well the bone disease treatment task of calcaneus and foot.
(2) the three link joint devices at this utility model ankle moving center are except connecting the device of calcaneus, distal tibial and foot, whorl brace rod also has drawing-off pressurization function, both the size of scalable external fixator, can implement again drawing-off, the pressurization of different directions and the effect of controlling arch of foot, adjustable controlled, can meet calcaneus and the smelting of fracture of talus fixed reset and treat needs.
(3) the elasticity drawing-off bar after this utility model calcaneus, except maintaining the position of calcaneus, can also allow ankle joint movable in appropriate scope, have balancing machine can with the bionical effect of bioenergy, meet topography feature, after whole fixing, foot still can bear a heavy burden and functional training, to avoid ankylosis, be conducive to union of fracture and joint function rehabilitation.
(4) operation is carried out under Wicresoft's condition, the damage once again of avoid to greatest extent fracturing local soft tissue and blood fortune, is conducive to promote union of fracture and reconstruction.
(5) this utility model comprehensive function is good, except can carry out the reset of calcaneus, astragalus and fracture of tarsus fixing, also can carry out calcaneus prolongation, front foot prolongation, foot extends and other correcting abnormality of ankle, is a kind of novel good apparatus for the treatment of calcaneus and foot osteopathia.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is the working state figure of the multi-functional regulation and control external fixator of talipes calcaneus of the present utility model while fracturing for talipes calcaneus;
Fig. 2 is the multi-functional regulation and control external fixator of talipes calcaneus of the present utility model schematic perspective view;
Fig. 3 is the multi-functional regulation and control external fixator of talipes calcaneus of the present utility model decomposing schematic representation;
Fig. 4 is elastane thread connecting rod schematic perspective view of the present utility model;
Fig. 5 is three link joint device schematic perspective views of the present utility model;
Fig. 6 is three link joint device decomposing schematic representations of the present utility model;
Fig. 7 is the principle schematic of dynamic elasticity drawing-off fixture in rear portion of the present utility model.
Reference numeral: 1-hexagon socket head cap screw, 2-draw point pressure pad, 3-draw point pad, 4-is inclined to one side greatly, 5-Kirschner wire, 6-hole loopful, 7-the first elastane thread connecting rod, 8-tri-link joint devices, 81-pin, joint, 82-middle part, 821-center connects lobe, the outside joint of 83-, 831-side connects lobe, 9-whorl brace rod C, 9'-whorl brace rod B, 9 " whorl brace rod A, 10-front foot C shape hole semi-ring, 11-screw thread half pin, 12-is little partially, 13-single hole external screw thread brace, 14-metapedes C shape hole semi-ring, 15-the second double link joint device, 15 '-the first double link joint devices, 16-the second elastane thread connecting rod, 161-polished rod, 162-adjusting nut, 163-threaded rod, 164-single hole female thread brace, 17-spring, 18-two hole braces, 19-outer-hexagonal bolt.
The specific embodiment
Referring to figs. 1 to Fig. 3, the multi-functional regulation and control external fixator of talipes calcaneus by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point being clipped in steel needle fixing clamp forms, wherein, external fixator support body comprises front foot C shape hole semi-ring 10 and the metapedes C shape hole semi-ring 14 that is evenly distributed with the hole loopful 6 of a plurality of holes thereon, has equally a plurality of holes distributions, and positive outer edge and the reverse side outer edge of described hole loopful 6, front foot C shape hole semi-ring 10 and metapedes C shape hole semi-ring 14 are all carved with angle scale.In the front side of hole loopful 6 and the hole of rear side, each penetrates respectively anterior dynamic elasticity drawing-off fixture and rear portion dynamic elasticity drawing-off fixture, and this device is separately by the first double link joint device 15 ' be connected with metapedes C shape hole semi-ring 14 with front foot C shape hole semi-ring 10 respectively with the second double link joint device 15; In the left and right sides of hole loopful 6, be fixed with respectively two whorl brace rod A9 "; the other end of whorl brace rod A is connected with three link joint devices 8, by this two other outfan of joint device, via whorl brace rod C9, whorl brace rod B9', is connected respectively with front foot C shape hole semi-ring with metapedes C shape hole semi-ring.
Described rear portion dynamic elasticity drawing-off fixture comprises the first elastane thread connecting rod 16, adjusting nut 162, spring 17 and single hole female thread brace 164.With reference to figure 4, first elastane thread connecting rod one end is that threaded rod 163, the other end are polished rod 161, wherein adjusting nut 162 moves along bar centerline direction spiral on threaded rod, and to adjust the thrust of spring, threaded rod one end is fastenedly connected in the screwed hole of single hole female thread brace 164.Anterior dynamic elasticity drawing-off fixture has the structure identical with the dynamic drawing-off fixture in rear portion.
With reference to figure 7, when needs, determine foot fixed position and keep hole loopful 6 and metapedes C shape hole semi-ring 14 invariant positions, thereby two empty braces 18 are constant with single hole female thread brace 164 distance H.Now, if desired adjust the power on calcaneus that is applied to, can pass through to change the position of adjusting nut 162 on threaded rod, as shown in Figure 7, when reach is from H
l1become H
l2time, spring length is from H
t1become H
t2, the decrement of spring 17 changes, and corresponding active force also changes.
In addition,, owing to adopting elastomeric element, can allow ankle joint movable in proper range, to avoid ankylosis.
With reference to figure 5 and Fig. 6, three link joints 8 are comprised of pin 81, a joint 82, middle part and joint 83, two outsides; Wherein, on each joint, be provided with for holding the screwed hole of whorl brace rod, the centre in joint 82, middle part has center and connects lobe 821,83 sides, joint, outside have side and connect lobe 831, pin 81 connects the connecting hole on lobe through three joints that are superimposed together respectively, thereby their connections is as a whole, and gyration can be done around pin in three joints.
Refer again to Fig. 1 to Fig. 3, by corresponding nut, regulate respectively whorl brace rod A9 " insert the length of hole loopful 6; regulate whorl brace rod B9' to insert the length of metapedes C shape hole semi-ring 14 and regulate whorl brace rod C9 to insert the length of front foot C shape hole semi-ring 10; can realize the adjustment for three hole ring relative positions; thus according to diagnosis and treatment needs, fast implement reliably multidirectional drawing-off orthopedic and fixing.
When needs carry out external fixedly time to talipes calcaneus portion, described whorl brace rod B9 " is fixed on front foot C shape hole semi-ring 10 by two nuts; described whorl brace rod C9 is fixed to single hole external screw thread brace 13 by two nuts; the thread rod part of this single hole external screw thread brace, through 14 hole on metapedes C shape hole semi-ring, and is pressed on C shape hole semi-ring by nut.
The polished rod part of the first elastane thread connecting rod 7 in the dynamic drawing-off fixture in described front portion is directly inserted in the hole on hole loopful; The polished rod partial insertion of the second elastane thread connecting rod 16 in the dynamic drawing-off fixture in described rear portion is bolted in the through hole of two hole braces 18 on hole loopful.
Described can be large inclined to one side 4 for the fixing steel needle fixing clamp of draw point, can be little inclined to one side 12, can be also the assembly of draw point pressure pad 2 and draw point pad 3; Draw point can be Kirschner wire or screw thread half pin.Steel needle fixing clamp is threaded connection in the hole that mode is fixed on hole loopful 6, front foot C type hole ring 10 and metapedes C type hole ring 14.
A kind of embodiment erection sequence of the multi-functional regulation and control external fixator of talipes calcaneus of the present utility model is as follows:
(1) first with hexagon socket head cap screw 1 and nut, the steel needle fixing clamp being comprised of draw point pressure pad 2 and draw point pad 3 and screw thread half pin are fixed on the hole loopful 6 of distal tibial, then with steel needle fixing clamp, Kirschner wire 5 are fixed on hole loopful 6.
(2) on the hole loopful 6 of distal tibial, penetrate respectively the dynamic elasticity drawing-off fixture of trans-articular, wherein, anterior dynamic elasticity drawing-off fixture is by the first double link joint device 15 ' be connected with front foot C type hole ring 10; Dynamic elasticity drawing-off fixture in rear portion is connected and fixed with hole loopful 6 by two hole fishplate bar sheets 18, and the other end is connected with metapedes C type hole ring 14 by the second double link joint device 15.
(3) on distal tibial hole loopful 6 both sides, fix two whorl brace rod A9 ", this whorl brace rod A other end is connected with three link joint devices 8.
(4) with screw thread fixation clamp, on front foot C type hole ring 10, fix respectively two pieces of screw threads, half pin 11.On the edge hole at front foot C type hole ring 10 two ends, fix respectively two whorl brace rod C9, this whorl brace rod C other end is connected with three link joint devices 8.
(5) with screw thread fixation clamp, on metapedes C type hole ring 14, fix respectively one piece of Kirschner wire and two pieces of screw thread half pins.On the edge hole at metapedes C type hole ring two ends 14, fix respectively two pieces of single hole external screw thread braces 13, be threaded connection bar B and with nut, three link joint devices 8 be connected with single hole external screw thread brace 13.
Claims (7)
1. the multi-functional regulation and control external fixator of talipes calcaneus, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point being clipped in steel needle fixing clamp forms, it is characterized in that, external fixator support body comprises the hole loopful (6) that is evenly distributed with a plurality of holes thereon, there is equally front foot C shape hole semi-ring (10) and metapedes C shape hole semi-ring (14) that a plurality of holes distribute, in the front side of hole loopful (6) and the hole of rear side, each penetrates respectively anterior dynamic elasticity drawing-off fixture and rear portion dynamic elasticity drawing-off fixture, this device is connected with metapedes C shape hole semi-ring (14) with front foot C shape hole semi-ring (10) respectively with the second double link joint device (15) by the first double link joint device (15 ') separately, in the left and right sides of hole loopful (6), be fixed with respectively two whorl brace rod A(9 "), the other end of whorl brace rod A is connected with three link joint devices (8), by this two other outfan of joint device via whorl brace rod C (9), whorl brace rod B(9 ') be connected with metapedes C shape hole semi-ring with front foot C shape hole semi-ring respectively.
2. the multi-functional regulation and control external fixator of talipes calcaneus according to claim 1, it is characterized in that, described rear portion dynamic elasticity drawing-off fixture comprises the first elastane thread connecting rod (16), adjusting nut (162), spring (17) and single hole female thread brace (164); First elastane thread connecting rod (16) one end is threaded rod (163), the other end is polished rod (161), wherein adjusting nut (162) moves along bar centerline direction spiral on threaded rod, to adjust the thrust of spring, threaded rod one end is fastenedly connected in the screwed hole of single hole female thread brace (164).
3. the multi-functional regulation and control external fixator of talipes calcaneus according to claim 1, is characterized in that, described anterior dynamic elasticity drawing-off fixture has the structure identical with rear portion dynamic elasticity drawing-off fixture.
4. the multi-functional regulation and control external fixator of talipes calcaneus according to claim 1, is characterized in that, described three link joint devices (8) are comprised of joints (83) outside pin (81), middle part joint (82) and two; Wherein, be provided with for holding the screwed hole of whorl brace rod on each joint, the centre in joint, middle part has center and connects lobe (821), and side, joint, outside has side and connects lobe (831); Pin (81) connects the connecting hole on lobe through three joints that are superimposed together respectively, thereby their connections is as a whole, gyration is done around pin (81) in three joints.
5. the multi-functional regulation and control external fixator of talipes calcaneus according to claim 1, it is characterized in that, described whorl brace rod C (9) is fixed on front foot C shape hole semi-ring (10) by two nuts, described whorl brace rod B(9 ') by two nuts, be fixed to single hole external screw thread brace (13), the thread rod part of this single hole external screw thread brace passes the hole on metapedes C shape hole semi-ring, and is pressed on metapedes C shape hole semi-ring by nut.
6. the multi-functional regulation and control external fixator of talipes calcaneus according to claim 1, is characterized in that, the polished rod part of the first elastane thread connecting rod (7) in the dynamic drawing-off fixture in described front portion is directly inserted in the hole on hole loopful (6); The polished rod partial insertion of the second elastane thread connecting rod (16) in the dynamic drawing-off fixture in described rear portion is bolted in the through hole of two hole braces (18) on hole loopful.
7. the multi-functional regulation and control external fixator of talipes calcaneus according to claim 1, it is characterized in that, described is a kind of among the assembly of draw point pressure pad (2) and draw point pad (3), large (4) partially or little (12) three partially for the fixing steel needle fixing clamp of draw point, and steel needle fixing clamp is separately fixed in the hole of hole loopful (6), front foot C shape hole semi-ring (10) and metapedes C shape hole semi-ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551338.7U CN203425023U (en) | 2013-09-06 | 2013-09-06 | Multifunctional regulation external fixator for calcaneus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551338.7U CN203425023U (en) | 2013-09-06 | 2013-09-06 | Multifunctional regulation external fixator for calcaneus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203425023U true CN203425023U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320551338.7U Withdrawn - After Issue CN203425023U (en) | 2013-09-06 | 2013-09-06 | Multifunctional regulation external fixator for calcaneus |
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| Country | Link |
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| CN (1) | CN203425023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445840A (en) * | 2013-09-06 | 2013-12-18 | 江苏广济医疗科技有限公司 | Talipes calcaneus multifunctional regulation control outer fixer |
-
2013
- 2013-09-06 CN CN201320551338.7U patent/CN203425023U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445840A (en) * | 2013-09-06 | 2013-12-18 | 江苏广济医疗科技有限公司 | Talipes calcaneus multifunctional regulation control outer fixer |
| CN103445840B (en) * | 2013-09-06 | 2015-05-13 | 江苏广济医疗科技有限公司 | Talipes calcaneus multifunctional regulation control outer fixer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20150513 |
|
| RGAV | Abandon patent right to avoid regrant |