CN107198562A - A kind of fibula/radius intramedullary nail and the fibula group and radius group using the fibula/radius intramedullary nail - Google Patents
A kind of fibula/radius intramedullary nail and the fibula group and radius group using the fibula/radius intramedullary nail Download PDFInfo
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- CN107198562A CN107198562A CN201710620710.8A CN201710620710A CN107198562A CN 107198562 A CN107198562 A CN 107198562A CN 201710620710 A CN201710620710 A CN 201710620710A CN 107198562 A CN107198562 A CN 107198562A
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- connecting rod
- fibula
- radius
- nail
- intramedullary nail
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
- A61B17/725—Intramedullary pins, nails or other devices with special means of locking the nail to the bone with locking pins or screws of special form
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
A kind of fibula/radius intramedullary nail and the fibula group and radius group using the fibula/radius intramedullary nail, the fibula group and radius group using the fibula/radius intramedullary nail includes a fibula or radius, and a fibula/radius intramedullary nail being plugged on the fibula or radius.Described fibula/the radius intramedullary nail includes nail rod, one be arranged on described nail rod one end end cap, an and anti-rotation portion being arranged on the wall of the nail rod side.The nail rod includes a first connecting rod and a second connecting rod, and the angle between the central axis of the first connecting rod and second connecting rod is between 170 degree to 160 degree.The anti-rotation portion is arranged on the lateral wall of the second connecting rod and including multiple card teeth.Fibula or radius that above-mentioned fibula/radius intramedullary nail is used for after fixed fracture, can reach the effect of self-locking, and need not be equipped with fixing screws, and required installation tool is also in daily use and simply, quantity is also greatly reduced, simple to operate.
Description
Technical field
The present invention relates to a kind of orthopedic fixation device tool, particularly a kind of fibula/radius intramedullary nail and the fibula/oar is used
The fibula group and radius group of intramedullary pin.
Background technology
The like product for fibula, fracture of shaft of radius is traditional intramedullary nail with lock in the market, and such product is adopted
With near-end (or distal end) approach, one end is fixed using pinning, and one end is polished rod, and product cost is added in practical operation, and
And larger, the fixed mortality of practical operation difficulty is higher, the set-up time is longer, due to needing multiple locking devices, so in peace
Cause wound larger the skin and bone of patient in dress and removal process, and polished end radial direction anti-rotation and axially anti-cripetura
Effect is poor.
The content of the invention
In view of this, the invention provides the fibula of a kind of fibula/radius intramedullary nail and the use fibula/radius intramedullary nail
Group and radius group, to solve the above problems.
A kind of fibula/radius intramedullary nail, it includes a nail rod, one be arranged on described nail rod one end end cap, and
One anti-rotation portion for being arranged on the wall of the nail rod side.The nail rod includes a first connecting rod and one and the first connecting rod
The second connecting rod of connection.Angle between the central axis of the first connecting rod and second connecting rod is between 170 degree to 160 degree.
The free end of the second connecting rod is the closed end with the blunt chamfering of circle.The end cap is arranged on the freedom of the first connecting rod
End.The anti-rotation portion is arranged on the lateral wall of the second connecting rod and including multiple card teeth.Each described card tooth is along institute
State the axis extension of second connecting rod.The contour line in the anti-rotation portion is isosceles on the section of the axis along the second connecting rod
It is trapezoidal, and the isosceles trapezoid upper bottom than going to the bottom closer to the free end of the second connecting rod.The maximum in the anti-rotation portion is straight
Footpath should be less than the maximum gauge of the end cap.
Further, institute's first, second connecting rod is solid hopkinson bar.
Further, the circumferential lengths of the second connecting rod are more than the circumferential lengths of the first connecting rod, and described first connects
The central axis of bar and second connecting rod is in approximately the same plane.
Further, multiple card teeth in anti-rotation portion axle centered on the axis of the second connecting rod is uniformly distributed.
Further, on the section of the axis along the second connecting rod, the contour line of the end cap is isosceles trapezoid, and
The upper bottom of the isosceles trapezoid and the free end of first connecting rod are connected, the upper bottom of the isosceles trapezoid and the diameter phase of first connecting rod
Deng.
Further, contour line of the anti-rotation portion on the section perpendicular to the axis of the second connecting rod with it is described
Contour line of the cap on the section perpendicular to the axis of the first connecting rod is held to overlap or scaled down.
A kind of fibula group of use fibula/radius intramedullary nail, the fibula group includes a fibula, and is plugged in described
Fibula/radius intramedullary nail in fibula.The fibula has a fibula external malleolus, and a calf being connected with the fibula external malleolus
Diaphysis.There is fibular medullary cavity and an interosseous crest of fibula inside the shaft of fibula.The fibula/radius intramedullary nail insertion is described
In fibular medullary cavity, the described fibula/radius intramedullary nail includes nail rod, one be arranged on described nail rod one end end cap, with
And an anti-rotation portion being arranged on the wall of the nail rod side.The nail rod includes a first connecting rod and one and first company
The second connecting rod of bar connection.Angle between the central axis of the first connecting rod and second connecting rod be 170 degree to 160 degree it
Between.The free end of the second connecting rod is the closed end with the blunt chamfering of circle.The end cap is arranged on oneself of the first connecting rod
By holding.The anti-rotation portion is arranged on the lateral wall of the second connecting rod and including multiple card teeth.Each described card tooth edge
The axis extension of the second connecting rod.On the section of the axis along the second connecting rod contour line in the anti-rotation portion for etc.
Waist is trapezoidal, and the isosceles trapezoid upper bottom than going to the bottom closer to the free end of the second connecting rod.The anti-rotation portion is folded in
In the fibular medullary cavity.The junction of first, second connecting rod is away from the interosseous crest of fibula.
Further, the end cap is folded in the fibula external malleolus.
A kind of radius group of use fibula/radius intramedullary nail, the radius group has a radius, and one is plugged in
Fibula/radius intramedullary nail on the radius.The radius is connected with a processus styloideus radii and one with the processus styloideus radii
Body of radius.The inside of the body of radius has a radius pulp cavity, and an interosseous crest of radius.The fibula/radius marrow
In the interior nail insertion radius pulp cavity.Described fibula/the radius intramedullary nail includes a nail rod, and one is arranged on the nail rod one
The end cap at end, and an anti-rotation portion being arranged on the wall of the nail rod side.The nail rod includes a first connecting rod and one
The individual second connecting rod being connected with the first connecting rod.Angle between the central axis of the first connecting rod and second connecting rod is 170
Spend between 160 degree.The free end of the second connecting rod is the closed end with the blunt chamfering of circle.The end cap is arranged on described
The free end of one connecting rod.The anti-rotation portion is arranged on the lateral wall of the second connecting rod and including multiple card teeth.Each
Axis extension of the card tooth along the second connecting rod.The anti-rotation portion on the section of the axis along the second connecting rod
Contour line is isosceles trapezoid, and the isosceles trapezoid upper bottom than going to the bottom closer to the free end of the second connecting rod.The anti-rotation
Dynamic portion is folded in the radius pulp cavity.The junction of first, second connecting rod is away from the interosseous crest of radius.
Further, the end cap is folded in the processus styloideus radii.
Compared with prior art, above-mentioned fibula/radius intramedullary nail is used for after fixed fracture fibula or radius, Ke Yida
To the effect of self-locking, and fixing screws need not be equipped with, required installation tool is also in daily use and simply, quantity is also greatly reduced,
It is simple to operate.Simultaneously because after fibula/radius intramedullary nail insertion fibula or radius, the external aiming without conventional intramedullary nails
Device, while reducing installation difficulty, shortening the set-up time, it also avoid the fixed failure in traditional lock fashion, improves
Security and validity.Further, since fibula/the radius intramedullary nail only need to bone one end open, reduce to patient
Skin and bone damage.
Brief description of the drawings
Embodiments of the invention are described below in conjunction with accompanying drawing, wherein：
A kind of cross-section structure of the fibula for use fibula/radius intramedullary nail that Fig. 1 provides for first embodiment of the invention shows
It is intended to.
The decomposition texture for fibula/radius intramedullary nail that Fig. 2 is had by the fibula of Fig. 1 use fibula/radius intramedullary nail
Schematic diagram.
A kind of cross-section structure of the radius for use fibula/radius intramedullary nail that Fig. 3 provides for second embodiment of the invention shows
It is intended to.
Embodiment
The specific embodiment of the present invention is further elaborated below based on accompanying drawing.It should be appreciated that herein
The protection domain that explanation to the embodiment of the present invention is not intended to limit the present invention.
Fig. 1 and Fig. 2 is referred to, a kind of calf of its use fibula/radius intramedullary nail provided for first embodiment of the invention
The structural representation of bone group 100.The fibula group 100 includes a fibula 10, and one is plugged in the shaft of fibula 10
Fibula/radius intramedullary nail 20.
The fibula 10 is one of two block length bones on people and vertebrate (Tetrapoda) shank, positioned at small leg outer side.Institute
Stating fibula 10 is included outside a capitulum fibulae 11, a fibula external malleolus 12, and a connection capitulum fibulae 11 and fibula
The shaft of fibula 13 of ankle 12.The capitulum fibulae 11 be fibula 10 upper end, can be touched from outer surface of the skin, and only with shin bone
It is connected, is not involved in kneed composition.The fibula external malleolus 12 is the lower end of fibula, the lower end, shin bone lower end (not shown)
And astragalus (not shown) constitutes ankle-joint together.The shaft of fibula 13 is recessed with one towards the side of shin bone (not shown)
Portion, referred to as interosseous crest of fibula 131.The inside of shaft of fibula 13 has fibular medullary cavity 132.The specific structure of the fibula 10 with
And operation principle is should be known by those skilled in the art, will not be repeated here.
The fibula external malleolus 12 of the fibula/radius intramedullary nail 20 from the fibula 10 is inserted, and is plugged in the shaft of fibula
In 13 fibular medullary cavity 132.Fibula/the radius intramedullary nail 20 includes a nail rod 21, and one is arranged on described one end of nail rod 21
End cap 22, an and anti-rotation portion 23 being arranged on the side wall of nail rod 21.
The nail rod 21 includes a first connecting rod 211, and a second connecting rod being connected with the first connecting rod 211
212.The first connecting rod 211 and second connecting rod 212 are integrally formed, and it can be formed in the way of bending, while strong in order to ensure
Degree, first, second connecting rod 211,212 is all solid hopkinson bar.The central axis of the first connecting rod 211 and second connecting rod 212
In approximately the same plane, and angle theta between the central axis is between 160 degree to 170 degree.The week of the first connecting rod 211
It is less than the circumferential lengths of the second connecting rod 212 to length, to adapt to the physilogical characteristics of itself of fibula 10.Described first,
Second connecting rod 211,212 specific circumferential lengths and diameter, which are more than, to be set according to the physiological structure parameter of specific fibula 10
It is fixed.The free end of the second connecting rod 212 is with the closed end 2121 for justifying blunt chamfering, in favor of inciting somebody to action described by the closed end
Nail rod 21 is inserted into the fibular medullary cavity 131 of the fibula 10.
The end cap 22 is arranged on the free end of the first connecting rod 211, its can with the one of the first connecting rod 211 into
Type, can also be connected through a screw thread.In the present embodiment, the end cap 22 is integrally formed with the first connecting rod 211.Along institute
On the section for the axis for stating second connecting rod 212, the contour line of the end cap 22 is isosceles trapezoid, and the upper bottom of the isosceles trapezoid with
The free end connection of first connecting rod 211, and bottom is suitable with the diameter of first connecting rod 211 on this.On the free end of the end cap 22
Offer a mounting groove 221, radial direction of the mounting groove 221 along the end cap 22 is opened up, for intramedullary nail installation tool phase
Even.Internal thread 222 is additionally provided with order to fix in the intramedullary nail installation tool, the through hole of the end cap 22.Need further
Illustrate, the intramedullary nail installation tool should be prior art, it is usually used conventional tool, herein no longer specifically
It is bright.In order to prevent the end cap 22 from rotating, the lateral wall of the end cap 22 is provided with multiple equally distributed end cap card teeth 223.
When in the fibula/radius intramedullary nail 20 insertion fibula 10, the end cap 22 is folded in the fibula external malleolus 12.
The anti-rotation portion 23 is arranged on the lateral wall of the second connecting rod 212, and including multiple card teeth 231.It is each
Axis extension of the individual card tooth 231 along the second connecting rod 212, and axle is equal centered on the axis of the second connecting rod 212
Even distribution.The contour line in the anti-rotation portion 23 is isosceles trapezoid on the section of the axis along the second connecting rod 212, and should
The upper bottom of isosceles trapezoid is than going to the bottom closer to the free end of the second connecting rod 212.In the axle perpendicular to the second connecting rod 212
The contour line in the anti-rotation portion 23 is in gear-like on the section of line.In order to be able to allow end cap 22 to be folded in the fibula external malleolus 12
In, the maximum gauge in the anti-rotation portion 23 should be less than the maximum gauge of the end cap 22, and the card in the anti-rotation portion 23
The end cap card tooth 223 of tooth 231 and end cap 22 has identical structure.Preferably, the anti-rotation portion 23 is perpendicular to described
Contour line on the section of the axis of second connecting rod 212 is with the end cap 22 in the axis perpendicular to the first connecting rod 211
Contour line on section can overlap or scaled down, in favor of first being inserted outside the fibula when the anti-rotation portion 23
After ankle 12, the shape for the jack that the end cap 22 can be formed with the anti-rotation portion 23 is completely superposed.
When installing the fibula/radius intramedullary nail 20, first by intramedullary nail installation tool by holding the mounting groove of cap 22
221 and internal thread 222 be connected with the fibula/radius intramedullary nail 20, then at the outer side center of the fibula external malleolus 12 of fibula 10
Insert in fibular medullary cavity 132, entering nail mode can use bone hammer to tap entrance.Make first, second connecting rod 211,212 simultaneously
Junction away from the interosseous crest of fibula 131.Finally, the end cap 23 is folded in the fibula external malleolus 12, so as to complete this
The installation of fibula/radius intramedullary nail 20, finally removes the installation tool.Because the side wall of the interosseous crest of fibula 131 is relatively thin,
Therefore the junction of first, second connecting rod 211,212 should not be supported on the side wall of the interosseous crest of fibula 131, to prevent
Stop loss and hinder the side wall.And because the central axis of first, second connecting rod 211,212 has certain angle, make first,
The junction of two connecting rods 211,212 and cortex of bone produce extrusion friction, then in the presence of the anti-rotation portion 23 with end cap 22,
Reach radial direction anti-rotation and the axially fixed effect of anti-cripetura.
Compared with prior art, the fibula 10 that above-mentioned fibula/radius intramedullary nail 20 is used for after fixed fracture, can reach
The effect of self-locking, and fixing screws need not be equipped with, required installation tool is also in daily use and simply, quantity is also greatly reduced, behaviour
Make simple and convenient.Simultaneously because after the insertion fibula 10 of fibula/radius intramedullary nail 20, the external aiming without conventional intramedullary nails is filled
Put, while reducing installation difficulty, shortening the set-up time, it also avoid the fixed failure in traditional lock fashion, improve
Security and validity.Further, since fibula/the radius intramedullary nail 20 only need to bone one end open, reduce to patient
Skin and bone damage.
Referring to Fig. 3, the radius group 200 of its use fibula/radius intramedullary nail provided by second embodiment of the invention
Structural representation.Compared with first embodiment, only bone used in the fibula/radius intramedullary nail is different, and the fibula/
Radius intramedullary nail and fibula/radius intramedullary nail 20 of first embodiment are duplicate.Therefore in a second embodiment, it is described
Fibula/radius intramedullary nail still uses the label with fibula/radius intramedullary nail 20 of first embodiment.
The radius group 200 of the use fibula/radius intramedullary nail includes a radius 30, and one is plugged in the calf
Fibula/radius intramedullary nail 20 in diaphysis 10.
The radius 30 is one of double bones of forearm, and on the outside of forearm, the side of thumb is divided into one and two ends, and
It is one of forearm long bone of people and vertebrate (four-footed).The radius bag 30 includes a caput radii 31, a processus styloideus radii
32, and a body of radius 33 being connected between the caput radii 31 and processus styloideus radii 32.The caput radii 31 is located at radius
30 upper end, with capitulum of humerus associated section.The oar flesh belemnoid 32 is located at the lower end of radius 30, with nearside carpal bone associated section.Institute
Stating the inside of body of radius 33 has a radius pulp cavity 331, and has an interosseous crest of radius 332 in outside.The radius bone
Between edge 332 towards the side of ulna, it is and recessed towards the direction away from the ulna, so that when forearm is rotated, increase rotates row
Journey, it is to avoid interference.The detailed structure of the radius 30 and operation principle are should be known by those skilled in the art, herein not
Repeat again.
When installing the fibula/radius intramedullary nail 20, via approach at the processus styloideus radii 32, radius pulp cavity is inserted
In 331, entering nail mode can use bone hammer to tap entrance.Make the junction of first, second connecting rod 211,212 remote simultaneously
The interosseous crest of radius 332.Finally, the end cap 23 is folded in the processus styloideus radii 32, so as to complete the fibula/radius marrow
The installation of interior nail 20.
Presently preferred embodiments of the present invention is these are only, is not used to limit to protection scope of the present invention, it is any in the present invention
Modification, equivalent substitution or improvement in spirit etc., all cover in scope of the presently claimed invention.
Claims (10)
1. a kind of fibula/radius intramedullary nail, it is characterised in that：Fibula/the radius intramedullary nail includes a nail rod, and one is arranged on
The end cap of described nail rod one end, and an anti-rotation portion being arranged on the wall of the nail rod side, the nail rod include one the
Between one connecting rod and a second connecting rod being connected with the first connecting rod, the central axis of the first connecting rod and second connecting rod
Angle is that between 170 degree to 160 degree, the free end of the second connecting rod is the closed end with the blunt chamfering of circle, and the end cap is set
Put in the free end of the first connecting rod, the anti-rotation portion is arranged on the lateral wall of the second connecting rod and including multiple cards
Tooth, axis extension of each described card tooth along the second connecting rod is described on the section of the axis along the second connecting rod
The contour line in anti-rotation portion be isosceles trapezoid, and the isosceles trapezoid upper bottom than going to the bottom closer to the freedom of the second connecting rod
End, the maximum gauge in the anti-rotation portion should be less than the maximum gauge of the end cap.
2. fibula/radius intramedullary nail as claimed in claim 1, it is characterised in that：First, second connecting rod is solid hopkinson bar.
3. fibula/radius intramedullary nail as claimed in claim 1, it is characterised in that：The circumferential lengths of the second connecting rod are more than
The circumferential lengths of the first connecting rod, the central axis of the first connecting rod and second connecting rod is in approximately the same plane.
4. fibula/radius intramedullary nail as claimed in claim 1, it is characterised in that：Multiple card teeth in the anti-rotation portion are with institute
Axle is uniformly distributed centered on stating the axis of second connecting rod.
5. fibula/radius intramedullary nail as claimed in claim 1, it is characterised in that：In cutting for the axis along the second connecting rod
On face, the contour line of the end cap is isosceles trapezoid, and the upper bottom of the isosceles trapezoid and the free end of first connecting rod are connected, described
The upper bottom of isosceles trapezoid is equal with the diameter of first connecting rod.
6. fibula/radius intramedullary nail as claimed in claim 1, it is characterised in that：The anti-rotation portion is perpendicular to described
Contour line and wheel of the end cap on the section perpendicular to the axis of the first connecting rod on the section of the axis of two connecting rods
Profile can overlap or scaled down.
7. a kind of fibula group of use fibula/radius intramedullary nail, the fibula group includes a fibula, and one is plugged in institute
State fibula/radius intramedullary nail on fibula, the fibula has a fibula external malleolus, and one is connected with the fibula external malleolus
There is fibular medullary cavity and an interosseous crest of fibula inside shaft of fibula, the shaft of fibula, it is characterised in that the fibula/radius
Intramedullary nail is inserted in the fibular medullary cavity, and the described fibula/radius intramedullary nail includes a nail rod, and one is arranged on the nail rod
The end cap of one end, and an anti-rotation portion being arranged on the wall of the nail rod side, the nail rod include first connecting rod and
Angle between one second connecting rod for being connected with the first connecting rod, the central axis of the first connecting rod and second connecting rod is
Between 170 degree to 160 degree, the free end of the second connecting rod is the closed end with the blunt chamfering of circle, and the end cap is arranged on institute
State the free end of first connecting rod, the anti-rotation portion is arranged on the lateral wall of the second connecting rod and including multiple card teeth, often
Axis extension of one card tooth along the second connecting rod, the anti-rotation on the section of the axis along the second connecting rod
The contour line in portion be isosceles trapezoid, and the isosceles trapezoid upper bottom than going to the bottom closer to the free end of the second connecting rod, it is described
Anti-rotation portion is folded in the fibular medullary cavity, and the junction of first, second connecting rod is away from the interosseous crest of fibula.
8. as claimed in claim 7 using the fibula group of fibula/radius intramedullary nail, it is characterised in that：The end cap is folded in
In the fibula external malleolus.
9. a kind of radius group of use fibula/radius intramedullary nail, the radius group has a radius, and one is plugged in institute
Fibula/radius intramedullary nail on radius is stated, the radius is connected with a processus styloideus radii and one with the processus styloideus radii
Body of radius, the inside of the body of radius has a radius pulp cavity, and an interosseous crest of radius, it is characterised in that the calf
Bone/radius intramedullary nail is inserted in the radius pulp cavity, and the described fibula/radius intramedullary nail includes a nail rod, and one is arranged on
The end cap of described nail rod one end, and an anti-rotation portion being arranged on the wall of the nail rod side, the nail rod include one the
Between one connecting rod and a second connecting rod being connected with the first connecting rod, the central axis of the first connecting rod and second connecting rod
Angle is that between 170 degree to 160 degree, the free end of the second connecting rod is the closed end with the blunt chamfering of circle, and the end cap is set
Put in the free end of the first connecting rod, the anti-rotation portion is arranged on the lateral wall of the second connecting rod and including multiple cards
Tooth, axis extension of each described card tooth along the second connecting rod is described on the section of the axis along the second connecting rod
The contour line in anti-rotation portion be isosceles trapezoid, and the isosceles trapezoid upper bottom than going to the bottom closer to the freedom of the second connecting rod
End, the anti-rotation portion is folded in the radius pulp cavity, and the junction of first, second connecting rod is away between the radius bone
Edge.
10. as claimed in claim 9 using the radius group of fibula/radius intramedullary nail, it is characterised in that：The end cap is folded in
In the processus styloideus radii.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620710.8A CN107198562B (en) | 2017-07-27 | 2017-07-27 | Fibula/radius intramedullary nail and fibula group and radius group using intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620710.8A CN107198562B (en) | 2017-07-27 | 2017-07-27 | Fibula/radius intramedullary nail and fibula group and radius group using intramedullary nail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107198562A true CN107198562A (en) | 2017-09-26 |
| CN107198562B CN107198562B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710620710.8A Active CN107198562B (en) | 2017-07-27 | 2017-07-27 | Fibula/radius intramedullary nail and fibula group and radius group using intramedullary nail |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2712293Y (en) * | 2004-04-26 | 2005-07-27 | 彭义德 | Self-locking intramedullary nail with rotary arm |
| US20060241605A1 (en) * | 2003-10-21 | 2006-10-26 | Andre Schlienger | Intramedullary nail |
| CN203598030U (en) * | 2013-11-07 | 2014-05-21 | 陈军 | Radius interlocking intramedullary nail |
| CN105997213A (en) * | 2016-06-22 | 2016-10-12 | 苏州吉美瑞医疗器械有限公司 | Auto-locking intramedullary nail for thighbone |
-
2017
- 2017-07-27 CN CN201710620710.8A patent/CN107198562B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060241605A1 (en) * | 2003-10-21 | 2006-10-26 | Andre Schlienger | Intramedullary nail |
| CN2712293Y (en) * | 2004-04-26 | 2005-07-27 | 彭义德 | Self-locking intramedullary nail with rotary arm |
| CN203598030U (en) * | 2013-11-07 | 2014-05-21 | 陈军 | Radius interlocking intramedullary nail |
| CN105997213A (en) * | 2016-06-22 | 2016-10-12 | 苏州吉美瑞医疗器械有限公司 | Auto-locking intramedullary nail for thighbone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107198562B (en) | 2023-03-21 |
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