CN208160641U - Femoral interlocking intramedullary nail - Google Patents
Femoral interlocking intramedullary nail Download PDFInfo
- Publication number
- CN208160641U CN208160641U CN201721443382.0U CN201721443382U CN208160641U CN 208160641 U CN208160641 U CN 208160641U CN 201721443382 U CN201721443382 U CN 201721443382U CN 208160641 U CN208160641 U CN 208160641U
- Authority
- CN
- China
- Prior art keywords
- lockhole
- pinning
- intramedullary nail
- proximal end
- distal end
- 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
- 150000001875 compounds Chemical class 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 210000000689 upper leg Anatomy 0.000 description 8
- 206010017076 Fracture Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 210000001694 thigh bone Anatomy 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010020100 Hip fracture Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241000469816 Varus Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 210000000527 greater trochanter Anatomy 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
A kind of femoral interlocking intramedullary nail,Including intramedullary nail and pinning,Intramedullary nail includes proximal end,Distal end and shank,Proximal side is successively arranged the first lockhole,Second lockhole,Third lockhole and the 4th lockhole,First lockhole intersects with second lockhole one end,Shank connects proximal end and distal end,Distal end side is successively arranged mandril plane,5th lockhole,6th lockhole and the 7th lockhole,Pinning includes compound pinning and common pinning,Compound pinning includes first part and second part,First part and second part are connected through a screw thread,First part includes nut and reinforcement bolt,Nut is equipped with ring wall,The inside of ring wall is equipped with internal screw thread,Reinforce the center that bolt is set to ring wall,Second part is that both ends are equipped with externally threaded hollow bolt,One end of hollow bolt is equipped with cross mouth,Compound pinning is set in the second lockhole and third lockhole,Common pinning is set to other lockholes,The utility model has structure simple,Good fixing effect,It is easily implantable the advantage high with pinning intensity.
Description
Technical field
The utility model belongs to surgical instruments field, and in particular to a kind of femoral interlocking intramedullary nail.
Background technique
Fixed mode mostly used in lock intramedullary nail for treatment tubular bone fracture on present society, lock femoral interlocking nail by
In increasing the pinning of proximal end and distal end, therefore make inside-fixture that there is longer action length, it is safe operation, fixed reliable,
Healing time is not influenced, and exercise of joint function can be carried out with early loading, especially there is anti-rotation and longitudinal stability,
Fracture cripetura is prevented, the advantage of limbs length is restored, but finds many old men in actually using because osteoporosis is usually led
Cause femoral interlocking intramedullary nail and pinning fixation unstable, being easy to cause to loosen in operative failure or later period recovery process leads to two
Secondary injury, while the implantation of pinning for convenience, pinning often also use hollow structure, and intensity declines, and are easy in use process
Stress is bent or fractures.
A kind of femoral proximal triangular intramedullary nail (publication number of patent：CN202146355U), a kind of near end of thighbone three is disclosed
Angle intramedullary nail, including the main nail from greater trochanter vertex into nail, main nail is disposed with the first pinning of proximal segment, proximal segment the from top to bottom
Two pinnings and distal section pinning, main nail side are seen and successively offer the first circular hole of proximal segment, the second circular hole of proximal segment and distal section from top to bottom
Tuning fork structure, three's axial line on the center line of main nail side, are plugged with distal section pinning, proximal segment in distal section tuning fork structure
Second pinning passes through the second circular hole of proximal segment, and the front middle part of the second pinning of proximal segment offers the second pinning circular hole, the first pinning of proximal segment
It is each passed through the first circular hole of proximal segment and the second pinning circular hole, the first pinning of proximal segment, the second pinning of proximal segment and main nail proximal segment form three
Angular structure.The femoral proximal triangular intramedullary nail of the utility model can increase pinning in femur using triangle stability principle
Stability in head, neck, this is reasonable in design, reduces Therapy of Elder Hip Fracture Ineffective internal fixation early stage generation hip joint varus
Deformity, but the utility model is provided only with three pinnings and angle is limited, and limited, three locks are promoted for fixed stability
Nail is all that in the same plane, not can effectively prevent femoral interlocking intramedullary nail rotation, and pinning also uses traditional pinning, there is bending
Or the risk to fracture.
Therefore need a kind of overall structure simple, good fixing effect is easily implantable the locking marrow of the femur high with pinning intensity
Interior nail.
Utility model content
The purpose of the utility model is to provide a kind of femoral interlocking intramedullary nails, poor to solve prior art fixed effect, easily
It loosens, is not easy implantation and the weak problem of pinning intensity.
The utility model provides the following technical solution：
A kind of femoral interlocking intramedullary nail, including intramedullary nail and pinning, intramedullary nail include proximal end, distal end and shank, described close
End side surface is successively arranged the first lockhole, the second lockhole, third lockhole and the 4th lockhole, first lockhole and second lockhole one end
Intersection, the shank connect the proximal end and the distal end, and the distal end side is successively arranged mandril plane, the 5th lockhole, the
Six lockholes and the 7th lockhole, the 6th lockhole are slotted hole, the direction of axis line of the slotted hole and locating 5th lockhole at
Certain angle the angle ranging from 30~60 °, and the proximal end, distal end and shank are integral structures, in the integral structure inside
Sky, the pinning include compound pinning and common pinning, and the compound pinning includes first part and second part, and described first
Part and second part are connected through a screw thread, and the first part includes nut and reinforces bolt, and the nut is equipped with ring wall, institute
The inside for stating ring wall is equipped with internal screw thread, the center reinforced bolt and be set to ring wall, and the second part is that both ends are equipped with external screw thread
Hollow bolt, one end of the hollow bolt is equipped with cross mouth, and the compound pinning is set in the second lockhole and third lockhole,
The common pinning is set to first lockhole, the 4th lockhole, the 5th lockhole, the 6th lockhole, the 7th lockhole.
Preferably, second lockhole is identical as the direction of axis line of third lockhole, the direction of axis line and proximal end at
135 ° of angles are fixed using 2 pinnings, and fixed effect is more preferable, and 135 ° are easily inserted near end of thighbone bending place.
Preferably, the direction of axis line of the 4th lockhole and proximal end are reversely fixed at 130 ° of angles, prevent femur
Intramedullary nail with lock rotational slide.
Preferably, one end of the proximal end is equipped with tail cap, can effectively prevent soft tissue ingrowth.
Preferably, the proximal end and the drift angle of the shank are 5 °, close to the radian shape of femur.
The utility model has the beneficial effects that：
1. the utility model overall structure is simple, it is readily produced production.
2. carrying out multi-angle locking using different pinnings, fix femoral interlocking intramedullary nail.
3. using 5 ° of proximal end drift angle, shank radian design, hollow structure is implanted into femoral interlocking intramedullary nail easily.
4. proximal end uses compound pinning, intensity height is not flexible or fractures.
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 utility model structure diagram；
Fig. 2 is elevational schematic view.
Fig. 3 is compound pinning schematic diagram.
Fig. 4 is compound pinning first part schematic diagram.
Fig. 5 is compound pinning second part schematic diagram.
Marking in figure is 1. tail caps, 2. intersection holes, 21. first lockholes, 22. second lockholes, 3. third lockholes, 4. the 4th
Lockhole, 5. shanks, 6. mandril planes, 7. the 5th lockholes, 8. the 6th lockholes, 9. the 7th lockholes, 10. proximal ends, 11. distal ends, 12.
Compound pinning, 121. nuts, 122. reinforce bolt, 123. cross mouths, 124. hollow bolts, 13. common pinnings.
Specific embodiment
As shown in Figure 1, the utility model provides a kind of femoral interlocking intramedullary nail, including intramedullary nail and pinning, intramedullary nail packet
Include proximal end 10, distal end 11 and shank 5,10 side of proximal end is successively arranged the first lockhole 21, the second lockhole 22, third lockhole 3 and the
Four lockholes 4, the first lockhole 21 intersect with 22 one end of the second lockhole, shank 5 connect proximal end 10 and distal end 11, distal end 11 sides according to
It is secondary be equipped with mandril plane 6, the 5th lockhole 7, the 6th lockhole 8 and the 7th lockhole 9, the 6th lockhole 8 be slotted hole, slotted hole with it is locating
The direction of axis line of 5th lockhole 7 is angled, and angle is 30~60 °, and proximal end 10, distal end 11 and shank 5 are integral structures,
Integral structure inner hollow, pinning include compound pinning 12 and common pinning 13, and compound pinning 12 includes first part and second
Part, first part and second part are connected through a screw thread, and first part includes nut 121 and reinforces bolt 122, on nut 121
Equipped with ring wall, the inside of ring wall is equipped with internal screw thread, reinforces the center that bolt 122 is set to ring wall, and second part is that both ends are equipped with outer spiral shell
The hollow bolt 124 of line, one end of hollow bolt 124 are equipped with cross mouth 123, and compound pinning 12 is set to the second lockhole 22 and the
In three lockholes 3, common pinning 13 is set to the first lockhole 21, the 4th lockhole 4, the 5th lockhole 7, the 6th lockhole 8, the 7th lockhole 9.
As shown in Fig. 2, the femoral interlocking intramedullary nail overall material is hollow medical alloy material, equipped with proximal end 10, far
End 11 and 5 three parts of shank mills out 4 lockholes on proximal end, wherein the size in the first lockhole 1 and 4 direction of the 4th lockhole be it is common,
The size of second lockhole 21 and third lockhole 22 be it is compound, the second lockhole 21 is parallel with 22 direction of third lockhole, direction and proximal end
At 135 °, at 130 °, the first lockhole 1 is intersected at the second lockhole 21 intersects hole 2 for the 4th lockhole 4 and proximal direction, actually makes
Used time can according to need the first lockhole 1 of selection or the second lockhole 21, also be milled with a screw thread on the axial line of proximal end 10
Hole, for installing tail cap, tail cap can effectively prevent soft tissue, and proximally 10 interior growth, shank 5 are embarked on journey according to femur radian
And with proximal end at 5 ° of drift angle, this shape is matched with femur shape, it may be convenient to which implanted femur mills out three at distal end 11
The mandril plane 6 of a lockhole and an oblong, mandril plane 6 can reset the lockhole of distal end 11.Distally 11 the 5th lockhole 7
It is that common and direction is consistent with 9 size of the 7th lockhole, the 6th lockhole 8 is slotted hole, the axle center of axial line and the five, the six lockholes
Line is not in same plane, and intersecting angle can be 30-60 degree, and the common pinning 13 in the 6th lockhole 8 can be in the 6th lockhole 8
At multiple-angle placed on direction of axis line, the Ke Yishi different from the five, the six pinning directions again on the direction of axis line of distal end 11
Existing multi-angle is fixed, and is kept femoral interlocking intramedullary nail fixed, not can rotate, and is slided.
As in Figure 3-5, compound pinning 12 includes first part and second part, and first part and second part pass through spiral shell
Line connection, first part include nut 121 and reinforce bolt 122, and nut 121 is equipped with ring wall, and the inside of ring wall is equipped with internal screw thread,
Reinforce bolt 122 be set to ring wall center, second part be both ends be equipped with externally threaded hollow bolt 124, the one of hollow bolt 124
End is equipped with cross mouth 123, and compound pinning 12 is set in the second lockhole 22 and third lockhole 3, and common pinning 13 is set to the first lockhole
21, the 4th lockhole 4, the 5th lockhole 7, the 6th lockhole 8, the 7th lockhole 9.When compound pinning 12 is installed, second part is first installed, is used
Phillips screwdriver is installed by cross mouth 123, using hollow bolt 1234, is easily installed the damage reduced to femur, then
Reinforce bolt 122 and be inserted into hollow bolt 124, is tightened by nut 121.
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 (5)
1. a kind of femoral interlocking intramedullary nail, including intramedullary nail and pinning, which is characterized in that intramedullary nail includes proximal end, distal end and needle
Bar, the proximal side are successively arranged the first lockhole, the second lockhole, third lockhole and the 4th lockhole, first lockhole and
The intersection of two lockhole one end, the shank connect the proximal end and the distal end, and the distal end side is successively arranged mandril plane, the
Five lockholes, the 6th lockhole and the 7th lockhole, the 6th lockhole are slotted hole, the axle center of the slotted hole and locating 5th lockhole
Line direction is angled, the angle ranging from 30~60 °, and the proximal end, distal end and shank are integral structures, the integral structure
Inner hollow, the pinning include compound pinning and common pinning, and the compound pinning includes first part and second part, institute
It states first part and second part is connected through a screw thread, the first part includes nut and reinforces bolt, and the nut is equipped with
Ring wall, the inside of the ring wall are equipped with internal screw thread, the center reinforced bolt and be set to ring wall, and the second part is equipped with for both ends
Externally threaded hollow bolt, one end of the hollow bolt are equipped with cross mouth, and the compound pinning is set to the second lockhole and third
In lockhole, the common pinning is set to first lockhole, the 4th lockhole, the 5th lockhole, the 6th lockhole, the 7th lockhole.
2. a kind of femoral interlocking intramedullary nail according to claim 1, which is characterized in that second lockhole and third lockhole
Direction of axis line it is identical, the direction of axis line and proximal end are at 135 ° of angles.
3. a kind of femoral interlocking intramedullary nail according to claim 1, which is characterized in that the axial line side of the 4th lockhole
To with proximal end at 130 ° of angles.
4. a kind of femoral interlocking intramedullary nail according to claim 1, which is characterized in that one end of the proximal end is equipped with tail
Cap.
5. a kind of femoral interlocking intramedullary nail according to claim 1, which is characterized in that the proximal end is inclined with the shank
Angle is 5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443382.0U CN208160641U (en) | 2017-11-02 | 2017-11-02 | Femoral interlocking intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443382.0U CN208160641U (en) | 2017-11-02 | 2017-11-02 | Femoral interlocking intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208160641U true CN208160641U (en) | 2018-11-30 |
Family
ID=64385982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721443382.0U Expired - Fee Related CN208160641U (en) | 2017-11-02 | 2017-11-02 | Femoral interlocking intramedullary nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208160641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973255A (en) * | 2020-06-23 | 2020-11-24 | 杨润松 | Combined intramedullary pin for fixing femoral fracture |
-
2017
- 2017-11-02 CN CN201721443382.0U patent/CN208160641U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973255A (en) * | 2020-06-23 | 2020-11-24 | 杨润松 | Combined intramedullary pin for fixing femoral fracture |
| CN111973255B (en) * | 2020-06-23 | 2024-05-31 | 杨润松 | Combined marrow needle for fixing femur fracture |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |