CN208492273U - A kind of blocking nail positioner - Google Patents
A kind of blocking nail positioner Download PDFInfo
- Publication number
- CN208492273U CN208492273U CN201721491709.1U CN201721491709U CN208492273U CN 208492273 U CN208492273 U CN 208492273U CN 201721491709 U CN201721491709 U CN 201721491709U CN 208492273 U CN208492273 U CN 208492273U
- Authority
- CN
- China
- Prior art keywords
- positioning plate
- adjuster
- connecting rod
- locator
- 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
- 230000000903 blocking effect Effects 0.000 title claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 19
- 238000002513 implantation Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model relates to a kind of blocking nail positioners, including stabilizer blade, positioning plate and locator, it is characterized in that, the stabilizer blade further includes connecting rod, adjuster I, upper fixator, adjuster II and lower fixator, the adjuster I is threaded nut shape, in the top of connecting rod, upper fixator is in the downside of adjuster I；The positioning plate is cuboid, and there are circular locating openings in positioning plate space of a whole page center, and it is lateral opening that positioning plate edge has locator bracket pillar to fix, and positioning plate front and back ends respectively have two square holes；The locator further includes adjusting nut, locating rod and bracket.The utility model structure is simple, easy to operate, high reliablity, it can be accurately positioned, it is multiple direction operational and controlled, fracture end lateral displacement and angulation deformity when correction intramedullary nail is implanted into, to overcome muscle strength to be conducive to reset, prevent fracture axis deformation, raising setting board of skeleton end fracture stability.
Description
Technical field
The utility model relates to orthopaedic trauma medical instruments field, especially a kind of blocking nail positioner.
Background technique
Intramedullary nail is the standard method for treating most of long bone setting board of skeleton end fracture, can retain periosteum blood supply, is allowed axial negative
Lotus interferes soft tissue small.But when using intramedullary interlocking nail setting board of skeleton end fracture, it is commonly present fracture-angle abnormality and unstable
The problem of.Its reason mainly has following 2 aspects: 1. distal tibial pulp cavity is roomy, and intramedullary nail is difficult to contact with cortical bone, in marrow
Nail is difficult to be placed on the center of pulp cavity；2. common intramedullary interlocking nail distal end pinning is mostly placed in parallel for coronal-plane at present, in marrow
Hunt effect can occur between interior main nail and pinning, along with the traction action of muscle, to influence to maintain the reduction of the fracture and consolidate
Fixed reliability.And stop setting people and can reducing the width of distal tibial pulp cavity for nail, make to meet the fixed ideal marrow of self-locking nail
Chamber increases the rigidity and intensity of implants and bone structure, increases the action length of intramedullary nail, and establish to distally being extended
Backbone isthmus, the three-point mount for stopping nail with intramedullary nail end, meanwhile, pulp cavity becomes smaller, and the stress on pinning also accordingly becomes smaller, from
And it can be effectively prevented hunt effect, reduce the generation of broken nail.According to acute angle theory, nail is stopped to be generally placed upon the recessed of angulation
Blocking nail is set position apart from fracture line with remote 1cm, pulp cavity middle line 6-7mm in side, but during actually setting nail, due to skin
Equal soft tissues exist, and with different degrees of damage, swelling, displacement fracture, is difficult to be accurately positioned and sets nail site in addition.At present
Device clinically there is no to assist to stop ground precise positioning.
Utility model content
It utility model aims to solve above-mentioned existing defect, provides that a kind of structure is simple, and input cost is few, has
The blocking nail positioner of high use value.
In order to solve the above technical problems, the structure of the utility model includes stabilizer blade, positioning plate and locator, the stabilizer blade
It further include connecting rod, adjuster I, upper fixator, adjuster II and lower fixator, the adjuster I is threaded nut shape, even
The top of extension bar, upper fixator are vertical with connecting rod and pass through inside connecting rod, upper fixator in the downside of adjuster I
With connecting rod intersection location on the right side of have a scale, lower fixator is fixed on the downside of connecting rod by adjuster II, connecting rod bottom
It is inserted into lower fixator upper hollow position, has scale in the connecting rod at position among adjuster II and upper fixator；The positioning
Plate is cuboid, and there is middle line in positioning plate space of a whole page center, and middle line center both sides has circular locating openings to be uniformly distributed on the positioning plate space of a whole page,
Positioning plate space of a whole page edge middle line both ends both sides has the circle that can be fixed with locator bracket pillar lateral opening, and positioning plate front and back ends are each
There are two square holes, the location hole is that 2mm Kirschner wire squeezes into position and hollow screw stops nail implantation site, and square hole can
It is matched with the upper fixator of stabilizer blade；The locator further includes adjusting nut, locating rod and bracket, and the adjusting nut is propping up
Frame upper end, locating rod is passed through from position among bracket, and is connected with support vertical, and adjusting nut controls the sliding of locating rod, fixed
Position bar front end be it is semilunar, hollow, 2mm Kirschner wire can be held and passed through perpendicular to the ground, frame bottom has downward pillar, and pillar can be consolidated
It is scheduled on lateral opening interior on positioning plate.
Further, the controllable upper fixator of the adjuster I of the stabilizer blade slides in connecting rod.
Further, the lower fixator of the stabilizer blade can adjust level height by adjuster II.
Further, the width of the positioning plate is 2.2cm, with a thickness of 3.5mm, length 8cm.
Further, the diameter of the location hole on the positioning plate is 2mm, and lateral opening diameter is 2mm.
Further, the locating rod on the locator can be moved left and right by adjusting nut along horizontal position, locating rod
Front end can place Kirschner wire.
Further, the pillar length of the frame bottom on the locator is 3.5mmm, diameter 2mm.
Further, the pillar of locator upper bracket bottom can be inserted into lateral opening fixing with positioning plate on positioning plate.
A kind of blocking nail positioner of the utility model, structure is simple, and easy to operate, high reliablity can be accurately positioned, more
To manipulation, fracture end lateral displacement and angulation deformity when correcting intramedullary nail implantation, to overcome muscle strength to be conducive to reset, prevent bone
It rolls over axis deformation, improve setting board of skeleton end fracture stability.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the knot stand bar structure schematic diagram of the utility model；
Fig. 2 is the positioning plate structure schematic diagram of the utility model；
Fig. 3 is the locator structure schematic diagram of the utility model.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1-3, the utility model relates to a kind of blocking nail positioner, including stabilizer blade 1, positioning plate 2 and locator
3, stabilizer blade 1 further includes connecting rod 4, adjuster I 5, upper fixator 6, adjuster II 7 and lower fixator 8, and adjuster I 5 is spiral spiral shell
Female shape, in the top of connecting rod 4, upper fixator 6 is vertical with connecting rod 4 and inside connecting rod 4 in the downside of adjuster I 5
Pass through, upper fixator 6 with 4 intersection location of connecting rod on the right side of have scale, lower fixator 8 is fixed on connection by adjuster II 7
Lower 8 upper hollow position of fixator, the company of adjuster II 7 and the intermediate position of upper fixator 6 are inserted into 4 downside of bar, 4 bottom of connecting rod
There is scale on extension bar 4.The horizontal position of the adjustable upper fixator 6 of adjuster I 5, the lower fixator 8 of stabilizer blade 1 can pass through adjuster
II 7 adjust level height, and the scale in the distance Jun You institution where he works of adjusting is as measurement standard.
Positioning plate 2 is cuboid, and there is middle line 16 in 2 space of a whole page center of positioning plate, there is the central both sides of middle line 16 on 2 space of a whole page of positioning plate
Circular locating openings 9 are uniformly distributed, and there is circle lateral opening 15 in 2 space of a whole page edge middle line of positioning plate, 16 both ends both sides, and 2 front and back end of positioning plate is each
There are two square holes 10, square hole 10 can be matched with the upper fixator 6 of stabilizer blade 1.The width of positioning plate 2 is 2.2cm, with a thickness of
3.5mm, length 8cm, the diameter of the location hole 9 and lateral opening 15 on positioning plate 2 are 2mm, location hole 9 and lateral opening 15 centre distance
Middle line 16 is 7mm.
Locator 3 further includes adjusting nut 11, locating rod 12 and bracket 13, the adjusting nut 11 in 13 upper end of bracket,
Locating rod 12 is passed through from the intermediate position of bracket 13, and is vertically connected with bracket 13,12 front end of locating rod be it is semilunar, hollow, can
Hold 2mm Kirschner wire to pass through perpendicular to the ground, downward pillar 14 is arranged at 13 bottom of bracket.Locating rod 12 on locator 3 can pass through tune
Section nut 11 is moved left and right along horizontal position, and 12 front end of locating rod can place Kirschner wire, and 14 length of pillar of 13 bottom of bracket is
3.5mm, diameter 2mm, pillar 14 can connect and fix with lateral opening 15.
Embodiment:
The first step, operation consent measure long bone P-A Cephalomatrics, calculate " L ":
(1) metaphysis pulp cavity middle line and fracture line intersection point " O "；
(2) parallel lines of pulp cavity middle line are done and fracture line meets at " P " point at 6mm by pulp cavity middle line；
(3) vertical line for doing pulp cavity middle line is put through " P ", meets at " Q " point with pulp cavity middle line；
(4) " Q " point distance is arrived in measurement " O "；
(5) according to Hook's law, the distance " L " that " O " arrives " P " is calculated.
Second step measures in operation
(1) fixator and stabilizer blade are cooperated to proper height and width, adjust the fixator on stabilizer blade, make by adjustment stabilizer blade
Locator is stably fixed at fracture end；
(2) adjusting positioning pole length keeps it equal with long bone P-A Cephalomatrics computational length " L ", and " O " is fixed on pilot pin top
Point, locator bottom pillar be fixed on it is lateral opening at positioning plate 6mm, at this point, locating rod is parallel with fracture line；
(3) the location hole drivescrew at positioning plate 6mm, fixed fracture site；
(4) finally locator is removed.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (8)
1. a kind of blocking nail positioner, including stabilizer blade, positioning plate and locator, which is characterized in that the stabilizer blade further includes connection
Bar, adjuster I, upper fixator, adjuster II and lower fixator, the adjuster I is threaded nut shape, on the most top of connecting rod
End, upper fixator is vertical with connecting rod and pass through from connecting rod inside in the downside of adjuster I, upper fixator with connecting rod
There is scale on the right side of intersection location, lower fixator is fixed on the downside of connecting rod by adjuster II, and the insertion of connecting rod bottom is lower to be fixed
There is scale in the connecting rod at position among device upper hollow position, adjuster II and upper fixator；The positioning plate is cuboid,
There is middle line in positioning plate space of a whole page center, and middle line center both sides has circular locating openings to be uniformly distributed on the positioning plate space of a whole page, the positioning plate space of a whole page
Edge middle line both ends both sides has the circle that can be fixed with locator bracket pillar lateral opening, and positioning plate front and back ends respectively have two square holes,
The location hole is that 2mm Kirschner wire squeezes into position and hollow screw stops nail implantation site, and square hole can be upper solid with stabilizer blade
Determine device to match；The locator further includes adjusting nut, locating rod and bracket, and the adjusting nut is in pedestal upper end, positioning
Bar is passed through from position among bracket, and is connected with support vertical, and adjusting nut controls the sliding of locating rod, and locating rod front end is half
It is month shape, hollow, 2mm Kirschner wire can be held and passed through perpendicular to the ground, frame bottom has downward pillar, and pillar can be fixed on positioning plate
It is lateral opening in.
2. blocking nail positioner according to claim 1, it is characterised in that: the adjuster I of the stabilizer blade is controllable solid
Determine device to slide in connecting rod.
3. blocking nail positioner according to claim 1, it is characterised in that: the lower fixator of the stabilizer blade can pass through adjusting
Device II adjusts level height.
4. blocking nail positioner according to claim 1, it is characterised in that: the width of the positioning plate is 2.2cm, thickness
For 3.5mm, length 8cm.
5. blocking nail positioner according to claim 1, it is characterised in that: the diameter of the location hole on the positioning plate is
2mm, lateral opening diameter are 2mm.
6. blocking nail positioner according to claim 1, it is characterised in that: the locating rod on the locator can pass through tune
Section nut is moved left and right along horizontal position, and locating rod front end can place Kirschner wire.
7. blocking nail positioner according to claim 1, it is characterised in that: the pillar of the frame bottom on the locator
Length is 3.5mm, diameter 2mm.
8. blocking nail positioner according to claim 1, it is characterised in that: the pillar of locator upper bracket bottom can
Lateral opening being fixed with positioning plate on insertion positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491709.1U CN208492273U (en) | 2017-11-10 | 2017-11-10 | A kind of blocking nail positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491709.1U CN208492273U (en) | 2017-11-10 | 2017-11-10 | A kind of blocking nail positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208492273U true CN208492273U (en) | 2019-02-15 |
Family
ID=65301941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721491709.1U Expired - Fee Related CN208492273U (en) | 2017-11-10 | 2017-11-10 | A kind of blocking nail positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208492273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802334A (en) * | 2017-11-10 | 2018-03-16 | 刘玉宝 | One kind stops nail positioner |
-
2017
- 2017-11-10 CN CN201721491709.1U patent/CN208492273U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802334A (en) * | 2017-11-10 | 2018-03-16 | 刘玉宝 | One kind stops nail positioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |