CN107280748A - A kind of femoral interlocking nail and the femur using the femoral interlocking nail - Google Patents
A kind of femoral interlocking nail and the femur using the femoral interlocking nail Download PDFInfo
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- CN107280748A CN107280748A CN201710620712.7A CN201710620712A CN107280748A CN 107280748 A CN107280748 A CN 107280748A CN 201710620712 A CN201710620712 A CN 201710620712A CN 107280748 A CN107280748 A CN 107280748A
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 26
- 241001079814 Symphyotrichum pilosum Species 0.000 claims abstract description 30
- 235000004224 Typha angustifolia Nutrition 0.000 claims abstract description 30
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 18
- 210000003275 diaphysis Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 14
- 238000004904 shortening Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 230000006378 damage Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000004394 hip joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000006735 Periostitis Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 210000000527 greater trochanter Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 210000000528 lesser trochanter Anatomy 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary devices, e.g. pins or nails
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary devices, e.g. pins or nails
- A61B17/7233—Intramedullary devices, e.g. pins or nails 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
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
- A61B17/744—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck the longitudinal elements coupled to an intramedullary nail
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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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)
Abstract
A kind of femoral interlocking nail and the femur using the femoral interlocking nail, the femur includes a femoral head, one femoral interlocking nail, the femoral interlocking nail includes a main nail, one core nail, and an anti-rotary knife piece, the main nail includes an ailhead and a nail rod, the ailhead is with including a middle cavity connected in nail rod, the free end of the nail rod includes at least two blade guides, the core nail is housed in the middle cavity, the anti-rotary knife piece includes a connecting rod, at least two bearings, and at least two blades, the free end of at least two blade is housed at least two blade guide respectively, the anti-rotary knife piece is inserted in the femoral head.Due in the anti-rotary knife sector-meeting insertion femoral head, without the external sighting device of conventional intramedullary nails, while reducing installation difficulty, shortening the set-up time, the fixed failure in traditional lock fashion is it also avoid, security and validity is improved.
Description
Technical field
The present invention relates to a kind of orthopedic fixation device tool, particularly a kind of femoral interlocking nail and the femoral interlocking nail is used
Femur.
Background technology
There is a kind of anti-rotation intramedullary nail of self-locking in the orthopedic medical device of prior art, it is generally quincunx intramedullary nail, its
The plum-shaped structure of outer nail is complicated, and anti-rotation property is poor, and application is small.Flank of nail coordinates installation operation suitable with outer nail in it
Inconvenience.The effect lock inflexion point set location of inside and outside nail is difficult to ensure that appropriately, thus makes its self-lock force smaller.Make sometimes in marrow
Follow closely self-locking effect loosely.The upper end self-locking device of intramedullary nail design, it is complicated and excessive to limbs stock meat damage, and do not have
Play the role of to pressurize to fracture.Also a kind of interlocking shape intramedullary nail, although it has anti-rotation, the advantage of fixing-stable is this
Pin structure is complicated, and installation operation is complicated, and technical requirements height under x-ray, it is necessary to be operated, and this also has radiational injury to doctor and patient
Evil.
The content of the invention
In view of this, the invention provides a kind of femoral interlocking nail and using the femur of the femoral interlocking nail, with solution
State problem.
A kind of femoral interlocking nail, it includes a main nail, and a core being arranged in the main nail is followed closely, and a setting
The anti-rotary knife piece of one end is followed closely in the core.The main nail includes an ailhead and a nail rod being connected with the ailhead.It is described
Ailhead is with including a middle cavity connected in nail rod.The free end of the nail rod includes at least two blade guides.The core
Nail slip is housed in the middle cavity.The anti-rotary knife piece includes the connecting rod of an axial end portion for being arranged on the core nail,
At least two are arranged on the bearing on the free end of the connecting rod, and at least two are rotatably provided on the bearing respectively
Blade.At least two blade is housed at least two blade guide respectively.
Further, the ailhead includes an internal thread being arranged on the side wall of the middle cavity.
Further, the axial two ends of the core nail include first, second round platform respectively, and first round platform is used for
The anti-rotary knife piece is set.
Further, second round platform is provided with inner hexagonal hole.
Further, the anti-rotary knife piece also includes at least two jump rings, and each described jump ring is set on bearing simultaneously
Rotate the direction of corresponding blade towards the central shaft followed closely away from the core.
Further, the ailhead includes the mounting groove that an edge is opened up perpendicular to the axial direction of the nail rod.
Further, the ailhead includes multiple card teeth, and the plurality of card tooth is evenly distributed on the lateral wall of the ailhead.
A kind of femur group of use femoral interlocking nail, the femur includes a femoral head, and one is plugged in the femur
Femoral interlocking nail in head.The femoral head includes a upper end and the shaft of femur being connected with the upper end.In the shaft of femur
With femoral bone cavitas medullaris.During the femoral interlocking nail is inserted in the femoral bone cavitas medullaris from the upper end.The femoral interlocking nail includes
One main nail a, core being arranged in the main nail is followed closely, and one is arranged on the anti-rotary knife piece that the core follows closely one end.It is described
Main nail includes an ailhead and a nail rod being connected with the ailhead.Include in the ailhead and nail rod one connect it is hollow
Chamber.The free end of the nail rod includes at least two blade guides.The core nail is housed in the middle cavity.The anti-rotary knife
Piece includes the connecting rod of an axial end portion for being arranged on the core nail, and at least two are arranged on the axle on the free end of the connecting rod
Hold, and at least two are rotatably provided in blade on the bearing respectively.At least two blade is housed in described respectively
In at least two blade guides.The anti-rotary knife piece is inserted in the side wall of the femoral bone cavitas medullaris.
Further, during the femoral bone cavitas medullaris that the femoral head is inserted in the femoral interlocking nail, the anti-rotary knife
The free end of piece is contained in the blade guide.
Further, during the femoral bone cavitas medullaris that the femoral head is inserted in the femoral interlocking nail, the anti-rotary knife
Ultimate range in axially direction of the piece along the vertical nail rod is less than the diameter of the femoral bone cavitas medullaris of the femoral head.
Compared with prior art, because the femur using femoral interlocking nail has described anti-rotary knife piece, it can reach certainly
The effect of lock, and fixing screws need not be equipped with, required installation tool is also in daily use and simply, quantity is also greatly reduced, operation
It is simple and convenient.Simultaneously because in the anti-rotary knife sector-meeting insertion femoral head, without the external sighting device of conventional intramedullary nails, in reduction
While installation difficulty, shortening set-up time, the fixed failure in traditional lock fashion is it also avoid, security is improved and has
Effect property.Further, since the femoral interlocking nail only need to femoral head upper end open, reduce the damage of the skin and bone to patient
Wound.
Brief description of the drawings
Embodiments of the invention are described below in conjunction with accompanying drawing, wherein：
Fig. 1 is the cross-sectional view of the femur using the femoral interlocking nail.
The decomposition texture schematic diagram for the femoral interlocking nail that Fig. 2 is had by the femur of Fig. 1 use flesh intramedullary pin.
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 structural representation of the femur 100 of its use femoral interlocking nail provided for the present invention
Figure.The femur 100 of the use femoral interlocking nail includes a femoral head 10, and one is plugged in the femoral head 10
Femoral interlocking nail 20.It should be noted that the femoral head 10 also includes a lot of other human bodies, and such as periosteum, marrow, sclerotin etc.,
And it is attached to the tissue on bone, such as blood vessel, nerve etc..Due to its emphasis not as the present invention, do not elaborate
It is not shown in the drawings.
The femoral head 10 is the bone of mankind's shank, and it includes a upper end 11, a lower end 12, and a connection
Diaphysis 13 between the upper end 11 and lower end 12.The upper end 11 is connected with hip joint (not shown), and be used for
The structure that hip joint is coupled, such as neck of femur, greater trochanter, lesser trochanter and intertrochanteric line.The lower end 12 and knee joint
(not shown) is connected, and with the structure referred to as femur belemnoid.The diaphysis 13 is in slightly bent shape, and is connected to the upper end
Between 11 and lower end 12.The diaphysis 13 has a femoral bone cavitas medullaris 131 for being used to house marrow.
The femoral interlocking nail 20 is inserted in the femoral bone cavitas medullaris 131 of the diaphysis 13 from the upper end 11, and including one
Individual main nail 21 a, core being arranged in the main nail 21 follows closely 22, and one is arranged on the anti-rotary knife that the core follows closely 22 one end
Piece 23.
The main nail 21 includes ailhead 211, the nail rod 212 that is connected with the ailhead 211, and one is opened in
In the ailhead 211 and nail rod 212 and the middle cavity 213 that connects.The ailhead 211 is arranged on the middle cavity including one
Internal thread 2111 on 213 side wall, the mounting groove 2112, Yi Jiduo that an edge is opened up perpendicular to the axial direction of the nail rod 212
Individual card tooth 2113.The internal thread 2111 is used to the core nail 22 is fixedly mounted.The internal thread 2111 is used for mounting groove 2112
When the femoral interlocking nail 20 is inserted in the pulp cavity 131 of the diaphysis 13, it is connected with intramedullary nail installation tool (not shown).
I.e. when installing the femoral interlocking nail 20, intramedullary nail installation tool is screwed together with the internal thread 2111 first, and
Its flank is set to insert the mounting groove 2112 with the fixed installation tool and the position relationship of the main nail 21, then using in the marrow
Nail installation tool inserts the femoral interlocking nail 20 in pulp cavity 131.It should be further stated that, the intramedullary nail installation tool
Prior art is should be, it is usually used conventional tool, is no longer described in detail herein.The card tooth 2113 is evenly distributed on institute
On the lateral wall for stating ailhead 211, combined for the upper end 11 with femoral head 10, so as to avoid the main nail 21 from rotating.It is described
Nail rod 212 is arranged on one end of the ailhead 211, and including at least two blade guides 2121 for being arranged on its free end side.
The length of the nail rod 212 can be designed according to the actual needs, such as the length of femoral head 10.Meanwhile, the basis of nail rod 212
The architectural feature of actual femoral head 10, it has certain radian.The blade guide 2121 is used to housing or stretching out described anti-
Rotary knife piece 23, its quantity is equal with the knife number of anti-rotary knife piece 23.Under normal circumstances, for uniform force, the nail rod 212
Including blade guide 2121 described at least two.In the present embodiment, the nail rod 212 is led including two symmetrically arranged blades
Groove 2121.It is envisioned that the nail rod 212 can also include into 120 degree setting three blade guides 2121, and
It is divided into four blade guides 2121 of 90 degree of settings.The length of the blade guide 2121 is according to the blade of the anti-rotary knife piece 23
Length depending on.The middle cavity 213 is used to wear the core nail 22, and it is one through the ailhead 211 and nail rod 212
Through hole.
The axial two ends of core nail 22 include first, second round platform 221,222 and a connection described the respectively
First, the pars intermedia 223 of the second round platform 221,222.First round platform 221 is used to set the anti-rotary knife piece 23.Described second
An interior hexagonal is provided with round platform 222.The diameter of the pars intermedia 223 can be less than first, second round platform 221,222
Diameter, to reduce the overall weight of core nail 22, while coordinating the pars intermedia of the radian, i.e. core nail 22 of the main nail 21
It can be straight-bar.And because the diameter of the straight-bar is less than the diameter of middle cavity 213, so as to accommodate the core nail of the rectilinear form
22 pars intermedia 223.
The anti-rotary knife piece 23 is fixedly installed on the end of the first round platform 221 of the core nail 22, and it includes a setting
The connecting rod 231 for the axial end portion followed closely in the core, at least two are arranged on the bearing 232 on the free end of the connecting rod 231, with
And at least two be rotatably provided in blade 233 on the bearing 232 respectively.The connecting rod 231 can be by the method for welding
It is fixed on first round platform 221, can also be connected through a screw thread.In the present embodiment, the connecting rod 231 is set by screw thread
Put in the axial direction of first round platform 221.In the present embodiment, the anti-rotary knife piece 23 includes two bearings 232 and two
Blade 233.The bearing 232 can be arranged on the end of the connecting rod 231 by the method for welding.Described two blades 233
It is respectively sleeved on described two bearings 232, it is possible to rotated around respective bearing 232.Each blade 233 can have phase
Same structure, and it is provided with blade towards the side of the pulp cavity 131 of femoral head 10, can be inserted in femoral head 10 using it,
So as to fix the relative position of the anti-rotary knife piece 23.In order to fix the relative position of each blade 233, the blade
233 free end is housed in the blade guide 2121.The mistake of the femoral head 10 is inserted in the femoral interlocking nail 20
Cheng Zhong, the anti-rotary knife piece 23 is contained in the blade guide 2121, that is to say, that insert institute in the femoral interlocking nail 20
During stating femoral head 10, the ultimate range in axially direction of the anti-rotary knife piece 23 along the vertical nail rod 212 is small
In the diameter of the pulp cavity 131 of the femoral head 10.When the main nail 21 is installed to femur in the presence of intramedullary nail installment work
During first 10 appropriate location, the core nail 22 is promoted with inner hexagon spanner, so as to promote the anti-rotary knife piece 23, makes the blade
233 stretch out from blade guide 2121, then proceed to promote core nail 22, blade 233 is inserted the pulp cavity 131 of femoral head 10
In the wall of side, the fixed effect of axially anti-cripetura is reached.
The anti-rotary knife piece 23 can also include at least two jump rings 234.Each described jump ring 234 is set in bearing
On 232 and corresponding blade 233 is set to be rotated towards the direction of central shaft for following closely 22 away from the core.In the effect of the jump ring 234
Under, when the blade 233 is in middle cavity 213, the jump ring 234 will be in compressive state, and when blade 233 enters described
During blade guide 2121, the blade 233 will deploy in the presence of jump ring 234 and support the pulp cavity 131 in femoral head 10
On inwall.Again in the presence of external force, it will insert in inwall, so as to fix the position of the femoral interlocking nail 20.It is contemplated that
, due to the presence of the jump ring 234, when core bar 22 are promoted, two blades 233 of the anti-rotary knife piece 23
By Automatic-expanding.
When installing the femoral interlocking nail 20, in the internal thread 2111 and mounting groove 2112 and the marrow first by main nail 21
Installation tool connection is followed closely, now described anti-rotary knife piece 23 is in closure state, that is, is contained in blade guide 2121, through femoral head
The center direct motion approach of 10 upper end 11, after into the pulp cavity 131 of the femoral head 10, intramedullary nail installation tool is gone
Remove.In the interior hexagonal of the second round platform 222 that die nut is inserted to core bar 22 again, the core bar 22 is promoted, carries out promoting the anti-rotation
Blade 23, and the blade 233 of anti-rotary knife piece 23 is stuck in the blade guide 2121 and can not advanced, so that the blade 233 will
It is softened, forms cross, and be fixed in femoral head 10, reaches radial direction anti-rotation and the effect of axially anti-cripetura.It is fixed to complete
Afterwards, you can remove die nut, complete to install.
Compared with prior art, due to there is described anti-rotary knife piece 23, Ke Yida using the femur 100 of femoral interlocking nail
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 the anti-rotary knife piece 23 can be inserted in femoral head 10, 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 the femoral interlocking nail 20 need to only be open in the upper end 11 of femoral head, reduce to patient's
The damage of skin and bone.
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 femoral interlocking nail, it is characterised in that：The femoral interlocking nail includes a main nail, and one is arranged on the main nail
Interior core nail, and one be arranged on the anti-rotary knife piece that the core follows closely one end, the main nail include an ailhead and one and
The nail rod of ailhead connection, the ailhead includes extremely with including a middle cavity connected, the free end of the nail rod in nail rod
Few two blade guides, the core nail slip is housed in the middle cavity, and the anti-rotary knife piece is arranged on described including one
The connecting rod of the axial end portion of core nail, at least two are arranged on the bearing on the free end of the connecting rod, and at least two difference
The blade on the bearing is rotatably provided in, at least two blade is housed at least two blade guide respectively.
2. femoral interlocking nail as claimed in claim 1, it is characterised in that：The ailhead is arranged on the middle cavity including one
Side wall on internal thread.
3. femoral interlocking nail as claimed in claim 2, it is characterised in that：The axial two ends of core nail include one the respectively
First, the second round platform, first round platform is used to set the anti-rotary knife piece.
4. femoral interlocking nail as claimed in claim 3, it is characterised in that：Second round platform is provided with inner hexagonal hole.
5. femoral interlocking nail as claimed in claim 1, it is characterised in that：The anti-rotary knife piece also includes at least two jump rings,
Each described jump ring is set on bearing and rotates the direction of corresponding blade towards the central shaft followed closely away from the core.
6. femoral interlocking nail as claimed in claim 1, it is characterised in that：The ailhead includes an edge perpendicular to the nail rod
The mounting groove that opens up of axial direction.
7. femoral interlocking nail as claimed in claim 1, it is characterised in that：The ailhead includes multiple card teeth, the plurality of card tooth
On the lateral wall for being evenly distributed on the ailhead.
8. a kind of femur of use femoral interlocking nail, it is characterised in that：The femur includes a femoral head, and one is plugged in institute
The femoral interlocking nail in femoral head is stated, the femoral head includes a upper end and the shaft of femur being connected with the upper end, the stock
There is femoral bone cavitas medullaris, during the femoral interlocking nail is inserted in the femoral bone cavitas medullaris from the upper end, in the femur marrow in diaphysis
Nail includes a main nail, and a core being arranged in the main nail is followed closely, and one is arranged on the anti-rotary knife that the core follows closely one end
Piece, the main nail includes an ailhead and a nail rod being connected with the ailhead, and the ailhead is with including a company in nail rod
Logical middle cavity, the free end of the nail rod includes at least two blade guides, and the core nail is housed in the middle cavity, institute
Stating anti-rotary knife piece includes the connecting rod of an axial end portion for being arranged on the core nail, and at least two are arranged on the freedom of the connecting rod
Bearing on end, and at least two be rotatably provided in blade on the bearing respectively, at least two blade is received respectively
Hold at least two blade guide, the anti-rotary knife piece is inserted in the side wall of the femoral bone cavitas medullaris.
9. as claimed in claim 8 using the femur of femoral interlocking nail, it is characterised in that：Institute is inserted in the femoral interlocking nail
During the femoral bone cavitas medullaris for stating femoral head, the free end of the anti-rotary knife piece is contained in the blade guide.
10. as claimed in claim 8 using the femur of femoral interlocking nail, it is characterised in that：In femoral interlocking nail insertion
During the femoral bone cavitas medullaris of the femoral head, in axially direction of the anti-rotary knife piece along the vertical nail rod it is maximum away from
From the diameter of the femoral bone cavitas medullaris less than the femoral head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620712.7A CN107280748B (en) | 2017-07-27 | 2017-07-27 | Femur intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620712.7A CN107280748B (en) | 2017-07-27 | 2017-07-27 | Femur intramedullary nail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107280748A true CN107280748A (en) | 2017-10-24 |
| CN107280748B CN107280748B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710620712.7A Active CN107280748B (en) | 2017-07-27 | 2017-07-27 | Femur intramedullary nail |
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| CN (1) | CN107280748B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693590A (en) * | 2019-10-22 | 2020-01-17 | 固安博健生物技术有限公司 | Multifunctional intramedullary nail |
| CN111973255A (en) * | 2020-06-23 | 2020-11-24 | 杨润松 | Combined intramedullary pin for fixing femoral fracture |
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| CN104083199A (en) * | 2014-07-25 | 2014-10-08 | 杨涛 | Self-locking pressurizing intramedullary nail capable of making two ends of fracture portion tightly joined |
| CN106725792A (en) * | 2017-01-10 | 2017-05-31 | 河北医科大学第三医院 | A kind of flexible intramedullary nail with pressurization anti-rotation function |
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|---|---|---|---|---|
| CN2354515Y (en) * | 1998-12-22 | 1999-12-22 | 彭义德 | Self-locked pressing intramedullary nail |
| US6524313B1 (en) * | 1999-10-14 | 2003-02-25 | Pega Medical | Intramedullary nail system |
| CN2457974Y (en) * | 2000-09-12 | 2001-11-07 | 刘毅 | Intramedullary nail with automatic pressurizing rotation preventing function for treating femoral fracture |
| CN2516116Y (en) * | 2001-07-13 | 2002-10-16 | 张文祥 | Expansion screw type self-locking intramedullary nail |
| CN2659365Y (en) * | 2003-12-10 | 2004-12-01 | 侯庆忠 | Fixing/self locking and composite interlock internal pulp nail between tuberosity of thigh-bone |
| US20060036248A1 (en) * | 2004-07-01 | 2006-02-16 | Ferrante Joseph M | Fixation elements |
| CN200963180Y (en) * | 2006-06-27 | 2007-10-24 | 蔡钧 | Counterclockwise anchoring open-type self-locking marrow nail |
| US20110137312A1 (en) * | 2008-06-13 | 2011-06-09 | Orthofix S.R.L. | Intermarrow nail to be inserted into a fractured long bone |
| CN104083199A (en) * | 2014-07-25 | 2014-10-08 | 杨涛 | Self-locking pressurizing intramedullary nail capable of making two ends of fracture portion tightly joined |
| CN106725792A (en) * | 2017-01-10 | 2017-05-31 | 河北医科大学第三医院 | A kind of flexible intramedullary nail with pressurization anti-rotation function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693590A (en) * | 2019-10-22 | 2020-01-17 | 固安博健生物技术有限公司 | Multifunctional intramedullary nail |
| 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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