CN103932769B - Movable and adjustable calcaneus reduction external fixator - Google Patents
Movable and adjustable calcaneus reduction external fixator Download PDFInfo
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- CN103932769B CN103932769B CN201410186499.XA CN201410186499A CN103932769B CN 103932769 B CN103932769 B CN 103932769B CN 201410186499 A CN201410186499 A CN 201410186499A CN 103932769 B CN103932769 B CN 103932769B
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- telescopic shaft
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- long
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- 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
- A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
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- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a movable and adjustable calcaneus reduction external fixator which comprises two fixing frames arranged on the two sides of the foot respectively. Each fixing frame comprises three long telescopic shafts and two short telescopic shafts, wherein the three long telescopic shafts form a triangular external support, the two short telescopic shafts and one long telescopic shaft form a triangular internal support, and the positions where the long telescopic shafts are connected or the positions where the short telescopic shafts are connected with the short telescopic shafts are provided with needle guards which are perpendicular to the plane of the triangular external support and are used for fixing kirschner wires. The movable and adjustable calcaneus reduction external fixator has the advantages of being small in size, flexible in adjustment, reliable in fixation and good in generality and universality for treating fractures and enabling a patient to do joint functional exercises in the early period of postoperation.
Description
Technical field
The present invention relates to medical apparatus and instruments, especially relate to a kind of small volume, early postoperation can carry out exercise of joint function,
Adjustment is flexible, fix versatility that is reliable, treating fracture and the preferably campaign-styled heel-adjustable reduction external fixator of popularity.
Background technology
Fracture of calcaneus is increasingly common in orthopaedic trauma, and open reduction becomes the essential therapeutic arsenals of situation of all-level hospitals employing.
Although part doctor adopts draw point percutaneous reduction by leverage, external fixator fixation for treatment, due to the uncontrollable and accurate reduction of the fracture,
Recover arch height and calcaneus angle completely, and adopt open reduction.Complicated, the most often more than the complication of fracture of calcaneus open reduction
The complication tensioned property blister seen, periosteum space syndrome, wound dehiscence and infection, blood vesssls and nerves injuries, tendon injury, with
Away from arthritis, contracture of Achilles tendon, side Impingement Syndrome, sural nerve inflammation etc..When with diabetes and anemia, the risk of infection
Increase severely.These complication become the difficult problem of puzzlement clinicist.
Fracture of calcaneus exterior fixation bracket species seldom, elongate and cripetura function, can only correct fracture axle by only adjustment at present
Line separates or overlapping, and after being fixed with fracture external fixing rack, when axis angulation in fracture and axis shifts up and down, adjustment is multiple
Position is difficult, and therefore existing fracture of calcaneus exterior fixation bracket only has fixing function, does not have the function of resetting, often appearance fracture
After exterior fixation bracket is fixing fracture still para-position not good it is difficult to meet clinical fracture reduction demand accurate, easy to adjust；With
When there is also hole of threading a needle adjustment dumb, make installation fracture external fixing rack inconvenient, affect clinical practice.In most cases
Clinician is faced with while providing joint motion and ensures the stability with joint of fracturing again, the side of conventional both treatments
Method is sequential, first ensures the stable of fracture and heals, then the joint motion after appropriate time, prevents stiff.Preferably
Fractures are minimally-invasive treatments, parking position accuracy, find that fracture is easy to adjust when misplacing again, reliable fixing, early exercise, minimizing office
Portion's blood fortune is destroyed, especially when treating intra-articular fracture, on the premise of fracture stabilization, postoperative horse back functional exercise, and can prevent
Ankylosises, promote joint to heal early.Only fracture of calcaneus exterior fixation bracket is due to uncontrollable and accurate bone at present
Folding resets, and recovers arch height and calcaneus angle completely, and therefore clinical practice is not universal, nor treatment flat foot, its treatment
Versatility and popularity are poor.
Content of the invention
For solving the above problems, it is an object of the invention to provide one kind, when fracture of calcaneus or when carrying out flat foot therapy, goes out
Now fracture axis separates or overlapping, when fracture axis angulation and up and down dislocation；Energy para-position is easy to adjust and accurate, can recover arch of foot
Height and calcaneus angle, hole adjustment of threading a needle is flexible, fixing reliable, and the versatility for the treatment of fracture and popularity are preferable, and small volume is postoperative
Early stage can carry out the campaign-styled heel-adjustable reduction external fixator of exercise of joint function.
The present invention is realized by following technical measures, a kind of campaign-styled heel-adjustable reduction external fixator, including respectively
It is arranged on two fixed mounts of foot two side；Described fixed mount includes three long telescopic shafts and two short telescopic shafts, and described three long
The triangle inner support of the triangle support arm of telescopic shaft, described two short telescopic shafts and long telescopic shaft, described length
Junction between junction between telescopic shaft and long telescopic shaft or long telescopic shaft and short telescopic shaft is both provided with and triangle
The needle guard of the vertical fixation Kel's needle of support arm plane.
As a kind of optimal way, described long telescopic shaft or short telescopic shaft include sleeve and are threaded in described sleeve two
Two connecting rods in end, in described sleeve, the female thread at two ends is in opposite direction, the external screw thread direction of described two connecting rods
On the contrary.
As a kind of optimal way, described needle guard flank threads are connected with the locking nut in a sensing axle center.
As a kind of optimal way, two ends of described long telescopic shaft are respectively set under connected unit and step in step
Connected unit, under connected unit and step in described step, the thickness of connected unit is all not more than the radius of connecting rod, described upper company
Connect platform and lower connected unit is both provided with connecting hole, the upper connected unit of described adjacent long telescopic shaft and lower connected unit are laminated and pass through one
Needle guard be inserted in connecting hole carry out hinged.
As a kind of optimal way, two ends of described short telescopic shaft are respectively set to step half-connection platform and full connection
Platform；Described half-connection platform is arranged on the side of short telescopic shaft one end and thickness is not more than the radius of connecting rod, described full connected unit
It is layered in the top of upper connected unit of adjacent long telescopic shaft and full connected unit, upper connected unit and lower connected unit are inserted in by long needle guard
Connecting hole make three hinged；One end that short telescopic shaft described in two is provided with half-connection platform is mutually inverted, and makes two half-connection platform phases
Mutually it is laminated and connection is inserted in by a hour hand set.
As a kind of optimal way, there is a draw-in groove described needle guard lower end, snaps in a jump ring in described draw-in groove.
As a kind of optimal way, described sleeve surface is provided with annular knurl.
As a kind of optimal way, described locking nut is butterfly nut.
The present invention use when, under fluoroscopy respectively with four Kirschner wires run through calcaneus rear end, calcaneus front end, astragalus and
Bone, four Kirschner wires expose two ends from foot two side respectively, adjust the long telescopic shaft of triangle support arm and triangle
The short telescopic shaft of inner support, makes the syringe needle running through calcaneus rear end, astragalus and bone be placed in the needle guard of three long flexible shaft connection places
Interior and lock, so that the syringe needle running through calcaneus front end is placed in the needle guard of two short flexible shaft connection places and lock, according to X-ray in art
Finding, by adjusting long telescopic shaft and short telescopic shaft, adjusts the distance of each junction, completes to fix after the satisfaction that resets.Treated
Cheng Zhong, appearance fracture axis separates or overlapping, when fracture axis angulation and up and down dislocation；Can by adjustment accordingly long telescopic shaft and
The distance of short telescopic shaft, recovers arch height and calcaneus angle.Present invention adjustment is flexible, the fixing reliable, versatility for the treatment of fracture
And popularity is preferably, small volume of the present invention, early postoperation can carry out exercise of joint function.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is structural representation when opening of the embodiment of the present invention；
Fig. 3 is the structural representation of the long telescopic shaft of the embodiment of the present invention；
Fig. 4 is the A-A profile of Fig. 3；
Fig. 5 is the structural representation of the short telescopic shaft of the embodiment of the present invention；
Fig. 6 is the B-B profile of Fig. 5.
Figure number explanation
The long needle guard of the short telescopic shaft 300 of 100 long telescopic shafts 200
400 hour hand set 500 locking nut 600 jump rings
Connected unit 102 connecting hole 103 head rod on 101
104 long sleeve 105 second, 106 times connected units of connecting rod
201 half-connection platform 203 the 3rd connecting rod 204 short sleeve
The full connected unit of 205 the 4th connecting rod 206
Specific embodiment
With reference to embodiment and compare accompanying drawing the present invention is described in further detail.
A kind of campaign-styled heel-adjustable reduction external fixator of the present embodiment, refer to Fig. 1 to Fig. 2, including being respectively provided with
Two fixed mounts in foot two side；Described fixed mount includes three long telescopic shafts 100 and two short telescopic shafts 200, described three
The triangle support arm of long telescopic shaft 100, described two short telescopic shafts 200 and a long telescopic shaft 100 are triangle interior
Support, between the junction between described long telescopic shaft 100 and long telescopic shaft 100 or long telescopic shaft 100 and short telescopic shaft 200
Junction is both provided with the needle guard of the fixation Kel's needle vertical with triangle support arm plane.
During use, run through calcaneus rear end, calcaneus front end, astragalus and bone with four Kirschner wires respectively under fluoroscopy, four
Kirschner wire exposes two ends from foot two side respectively, adjusts the long telescopic shaft 100 of triangle support arm and triangle interior
The short telescopic shaft 200 of frame, makes the syringe needle running through calcaneus rear end, astragalus and bone be placed in the pin of three long telescopic shaft 100 junctions
Set is interior and locks, and so that the syringe needle running through calcaneus front end is placed in the needle guard of two short telescopic shaft 200 junctions and lock, according to art
Middle X-ray finding, by adjusting long telescopic shaft 100 and short telescopic shaft 200, adjusts the distance of each junction, completes after the satisfaction that resets
Fixing.In therapeutic process, appearance fracture axis separates or overlapping, when fracture axis angulation and up and down dislocation；Can be by adjusting phase
Should long telescopic shaft 100 and short telescopic shaft 200 distance, recover arch height and calcaneus angle.The adjustment of this device is flexibly, fixation can
Lean on, treat the versatility of fracture and popularity preferably, this device volume is little, and early postoperation can carry out exercise of joint function.
The campaign-styled heel-adjustable reduction external fixator of the present embodiment, refer to Fig. 3 to Fig. 6, in previous technique scheme
On the basis of concrete it is also possible that long telescopic shaft 100 includes long sleeve 104 and is threaded in described long sleeve 104 2 end
Head rod 103 and the second connecting rod 105, short telescopic shaft 200 includes short sleeve 204 and is threaded in described short sleeve
The 3rd connecting rod 203 in 204 2 ends and the 4th connecting rod 205, the interior spiral shell at two ends in described long sleeve 104 or short sleeve 204
Stricture of vagina in opposite direction, one end is left-hand thread, the other end is left-hand thread, and the external screw thread of two connecting rods is in opposite direction.Thus passing through
Forward direction or derotation rotaring sleeve, make two connecting rods closer or far from thus adjusting the length of long telescopic shaft 100 or short telescopic shaft 200
Degree, and then adjust the distance of the Kirschner wire being connected to two ends.
The campaign-styled heel-adjustable reduction external fixator of the present embodiment, refer to Fig. 1 to Fig. 2, in previous technique scheme
On the basis of concrete it is also possible that needle guard 300 or 400 flank threads are connected with the locking nut 500 in a sensing axle center, using locking
Nut 500 locks Kirschner wire disposed within.The butterfly nut of the preferred convenient use of locking nut 500.
The campaign-styled heel-adjustable reduction external fixator of the present embodiment, refer to Fig. 1 to Fig. 4, in previous technique scheme
On the basis of concrete it is also possible that two ends of long telescopic shaft 100 are respectively set to connect under connected unit 101 and step in step
Platform 106, under connected unit 101 and step in described step, the thickness of connected unit 106 is all not more than the radius of connecting rod, described
Upper connected unit 101 and lower connected unit 106 are both provided with connecting hole 102, the upper connected unit of described adjacent long telescopic shaft and lower connection
Platform be laminated and pass through a needle guard 300 or 400 be inserted in connecting hole 102 carry out hinged.
The campaign-styled heel-adjustable reduction external fixator of the present embodiment, refer to Fig. 1 to Fig. 6, in previous technique scheme
On the basis of concrete it is also possible that two ends of short telescopic shaft 200 are respectively set to step half-connection platform 201 and full connected unit 206；
Described half-connection platform 201 is arranged on the side of short telescopic shaft 200 one end and thickness is not more than the radius of connecting rod, described full connection
Platform 206 is layered in the top of upper connected unit of adjacent long telescopic shaft and is inserted in full connected unit 206, upper connection by long needle guard 300
The connecting hole of platform 106 and lower connected unit 101 makes three hinged；One end that described two short telescopic shafts are provided with half-connection platform is mutually fallen
Put, make two half-connection platforms be layered on top of each other and pass through a hour hand set 400 to be inserted in connection.
The campaign-styled heel-adjustable reduction external fixator of the present embodiment, refer to Fig. 2, on the basis of previous technique scheme
Specifically it is also possible that there is a draw-in groove needle guard 300 or 400 lower ends, in described draw-in groove, snap in a jump ring 600.Facilitate the company of this device
Connect and dismantle.
The campaign-styled heel-adjustable reduction external fixator of the present embodiment, specifically acceptable on the basis of previous technique scheme
It is that long sleeve 104 and short sleeve 204 surface are provided with annular knurl.Convenient rotation.
It is more than that the present invention campaign-styled heel-adjustable reduction external fixator is set forth, be used to help understand this
Bright, but embodiments of the present invention being not restricted to the described embodiments, any without departing from the change made under the principle of the invention,
Modify, substitute, combine, simplify, all should be equivalent substitute mode, be included in the interior of protection scope of the present invention.
Claims (6)
1. a kind of campaign-styled heel-adjustable reduction external fixator it is characterised in that：Solid including be separately positioned on foot two side two
Determine frame；Described fixed mount includes three long telescopic shafts and two short telescopic shafts, triangle outer of described three long telescopic shafts
The triangle inner support of frame, described two short telescopic shafts and long telescopic shaft, between described long telescopic shaft and long telescopic shaft
Junction or long telescopic shaft and short telescopic shaft between junction be both provided with the fixation vertical with triangle support arm plane
The needle guard of Kirschner wire；Described long telescopic shaft or short telescopic shaft include sleeve and two companies being threaded in described sleeve two end
Extension bar, in described sleeve, the female thread at two ends is in opposite direction, and the external screw thread of described two connecting rods is in opposite direction；Described length is stretched
Two ends of contracting axle are respectively set to connected unit under connected unit and step in step, connected unit and step in described step
The thickness of lower connected unit is all not more than the radius of connecting rod, and described upper connected unit and lower connected unit are both provided with connecting hole, described
The upper connected unit of adjacent long telescopic shaft and lower connected unit be laminated and by a needle guard be inserted in connecting hole carry out hinged.
2. campaign-styled heel-adjustable reduction external fixator according to claim 1 it is characterised in that：Described needle guard side spiral shell
Stricture of vagina is connected with the locking nut in a sensing axle center.
3. campaign-styled heel-adjustable reduction external fixator according to claim 1 it is characterised in that：Described short telescopic shaft
Two ends are respectively set to step half-connection platform and full connected unit；Described half-connection platform be arranged on short telescopic shaft one end side and
Thickness is not more than the radius of connecting rod, and described full connected unit is layered in the top of upper connected unit of adjacent long telescopic shaft and by length
The connecting hole that needle guard is inserted in full connected unit, upper connected unit and lower connected unit makes three hinged；Short telescopic shaft described in two is provided with half
One end of connected unit is mutually inverted, and so that two half-connection platforms is layered on top of each other and is inserted in connection by a hour hand set.
4. campaign-styled heel-adjustable reduction external fixator according to claim 1 it is characterised in that：Described needle guard lower end has
One draw-in groove, snaps in a jump ring in described draw-in groove.
5. campaign-styled heel-adjustable reduction external fixator according to claim 1 it is characterised in that：Described sleeve surface sets
It is equipped with annular knurl.
6. campaign-styled heel-adjustable reduction external fixator according to claim 2 it is characterised in that：Described locking nut is
Butterfly nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186499.XA CN103932769B (en) | 2014-05-05 | 2014-05-05 | Movable and adjustable calcaneus reduction external fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186499.XA CN103932769B (en) | 2014-05-05 | 2014-05-05 | Movable and adjustable calcaneus reduction external fixator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103932769A CN103932769A (en) | 2014-07-23 |
| CN103932769B true CN103932769B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410186499.XA Active CN103932769B (en) | 2014-05-05 | 2014-05-05 | Movable and adjustable calcaneus reduction external fixator |
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| CN (1) | CN103932769B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774978B (en) * | 2019-09-30 | 2023-07-18 | 憨骐瑶 | Scalable tripod warning light tablet |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281161Y (en) * | 1996-11-08 | 1998-05-13 | 胜利石油管理局胜利医院 | Spacial truss style supporting instrument for treating calcaneum |
| CN2445715Y (en) * | 2000-09-28 | 2001-09-05 | 曹斌 | External fixing rack for calcaneus |
| CN2930667Y (en) * | 2006-07-31 | 2007-08-08 | 佛山市高明区中医院 | External fixing support for calcaneus fracture |
| WO2010122034A1 (en) * | 2009-04-21 | 2010-10-28 | Tornier | Foot positioning system and method |
| CN201668482U (en) * | 2010-05-07 | 2010-12-15 | 无锡市中医医院 | Calcaneus bone fracture adjustment type reduction fixing bracket |
| CN102670289A (en) * | 2012-05-30 | 2012-09-19 | 上海市奉贤区中心医院 | Frame-type external fixator |
| CN203915045U (en) * | 2014-05-05 | 2014-11-05 | 左中男 | Campaign-styled heel-adjustable reduction external fixator |
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2014
- 2014-05-05 CN CN201410186499.XA patent/CN103932769B/en active Active
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| Publication number | Publication date |
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| CN103932769A (en) | 2014-07-23 |
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