CN107440778A - One kind interlocking anti-settling PFN - Google Patents
One kind interlocking anti-settling PFN Download PDFInfo
- Publication number
- CN107440778A CN107440778A CN201710760929.8A CN201710760929A CN107440778A CN 107440778 A CN107440778 A CN 107440778A CN 201710760929 A CN201710760929 A CN 201710760929A CN 107440778 A CN107440778 A CN 107440778A
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- Prior art keywords
- settling
- nut
- hole
- main nail
- pfn
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- 210000003371 toe Anatomy 0.000 claims description 11
- 210000000527 greater trochanter Anatomy 0.000 abstract description 7
- 208000001132 Osteoporosis Diseases 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 208000010392 Bone Fractures Diseases 0.000 description 12
- 206010017076 Fracture Diseases 0.000 description 12
- 210000000689 upper leg Anatomy 0.000 description 7
- 206010020100 Hip fracture Diseases 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UZUFPBIDKMEQEQ-UHFFFAOYSA-N perfluorononanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F UZUFPBIDKMEQEQ-UHFFFAOYSA-N 0.000 description 2
- 208000004221 Multiple Trauma Diseases 0.000 description 1
- 208000023637 Multiple injury Diseases 0.000 description 1
- 206010069135 Periprosthetic fracture Diseases 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008733 trauma Effects 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, 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
- A61B17/74—Devices for the head or neck or trochanter of the femur
Landscapes
- 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
The invention discloses one kind to interlock anti-settling PFN, including main nail, the top of the main nail is equipped with two helical tooth blades set obliquely, and the top of two helical tooth blades is provided with screw blade, and the lower end of two helical tooth blades is connected with each other by connecting seat to be locked.Beneficial effects of the present invention：It can prevent fracture site from rotating, cause greater trochanter bone piece to squeeze, and be applied to sufferers of osteoporosis face, effectively improve hold.
Description
Technical field
The present invention relates to intramedullary nail technical field, it particularly relates to a kind of interlocking anti-settling PFN.
Background technology
Intertrochanteric fracture of the femur is the fracture that old group people occurs most frequently, due to the elderly's generally existing physical basis shape
State is poor, and internal disease is more, the situation of osteoporosis, can not bear big trauma operation treatment, therefore some medical institutions devise
Some are directed to the minimally-invasive treatment internal fixation device of this fracture, such as AO Fundationd PFNA systems and Simith
The Intertan systems of Nephew companies, due to design, the diameter of the nail nail tail of such system all in more than 16MM,
The intertrochanteric fracture that independent fracture line be present for greater trochanter portion be present, easily greater trochanter bone piece being squeezed in implantation, is caused
Reduction of the fracture contact surface is few, even if collodiaphyseal angle early stage resets well, union is still difficult, ultimately results in inner matter fracture and loses
Lose, while the greater trochanter bone piece separated is more and more remote from normal position with myotasis.Such fracture is as used conventional intramedullary needle
（10 ~ 14mm of proximal diameter）Near-end rebuilds nail system, but because of osteoporosis and " Z " word effects cause operative failure.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of interlocking anti-settling PFN,
It can prevent fracture site from rotating, cause greater trochanter bone piece to squeeze, and be applied to sufferers of osteoporosis face, effectively improve hold.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
One kind interlocking anti-settling PFN, including main nail, the top of the main nail are equipped with two set obliquely
Helical tooth blade, the top of two helical tooth blades are provided with screw blade, and the lower end of two helical tooth blades passes through connection
Seat is connected with each other locking.
Further, the upper end of the main nail is fixedly connected with tail cap, and the top of the main nail offers and the spiral
The corresponding inclined hole of cutter, the main nail bottom offer slotted hole and relief groove.
Further, the upper end of the main nail is provided with stepped the first screwed hole and the second screwed hole, the tail
The upper end of cap is provided with six square toes, and hexagonal hole is offered at the center of six square toes, and the lower end of the tail cap is provided with and institute
State the cylinder that the thread Pilot hole of the second screwed hole is engaged, the tail cap be provided between six square toes and cylinder with it is described
The thread segment that first corresponding threaded holes close.
Further, the angle that the helical tooth blade top and the master are nailed between portion is 55 °.
Further, the helical tooth blade includes cutter body, and the top of the cutter body sets the screw blade,
The lower outside of the cutter body is arranged with sleeve pipe, and the lower end of the cutter body is connected with the upper end of jackscrew, the jackscrew
It is threaded with nut, the bottom of the bottom of the cutter body and the nut is each provided with a cascaded surface, described sleeve pipe
It is arranged between two cascaded surfaces.
Further, offered on the lower end surface of the cutter body with blind hole jaggy, the top of the blind hole
Buckling groove is offered in side wall, the upper end of the jackscrew is provided with the projection being engaged with the buckling groove, and the jackscrew is in institute
The lower section for stating projection is provided with screw thread, and interior six square grooves are offered on the lower end surface of the jackscrew.
Further, the first sawtooth is provided with the lower end surface of the cutter body, on the upper end end face of the nut
The second sawtooth being engaged with first sawtooth is provided with, the interior spiral shell being engaged with the screw thread is provided with the nut
Line.
Further, described sleeve pipe is provided with boss, the top edge of the nut on one end inwall of the nut
Axial direction is provided with the plane being engaged with boss, and the upper end of the plane is provided with spring card, and the boss is located at institute
Between the cascaded surface for stating spring card and the nut.
Further, the connecting seat is fixedly connected with two jackscrews respectively by connected nail, and interior the six of the jackscrew
The 3rd screwed hole being engaged with the connected nail is offered in square groove, be provided with the connecting seat respectively with two connections
The circular hole being engaged is followed closely, screwed hole is provided between two circular holes.
Further, the upper end of the main nail offers U-lag.
Beneficial effects of the present invention：It can prevent fracture site from rotating, cause greater trochanter bone piece to squeeze, and dredged suitable for sclerotin
Loose patient, effectively improves hold.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of interlocking anti-settling PFN described according to embodiments of the present invention；
Fig. 2 is the structural representation of helical tooth blade described according to embodiments of the present invention；
Fig. 3 is the structural representation of cutter body described according to embodiments of the present invention；
Fig. 4 is the structural representation of sleeve pipe described according to embodiments of the present invention；
Fig. 5 is the structural representation of nut described according to embodiments of the present invention；
Fig. 6 is the structural representation of jackscrew described according to embodiments of the present invention；
Fig. 7 is the structural representation of connecting seat described according to embodiments of the present invention；
Fig. 8 is the structural representation of connected nail described according to embodiments of the present invention；
Fig. 9 is the structural representation of main nail described according to embodiments of the present invention；
Figure 10 is the A of main nail described according to embodiments of the present invention to sectional view；
Figure 11 is the structural representation of tail cap described according to embodiments of the present invention.
In figure：
1st, helical tooth blade；2nd, main nail；3rd, tail cap；4th, connecting seat；5th, connected nail；6th, cutter body；7th, jackscrew；8th, sleeve pipe；9th, spiral shell
It is female；10th, inclined hole；11st, the first screwed hole；12nd, the first sawtooth；13rd, the second sawtooth；14th, buckling groove；15th, it is raised；16th, screw thread；
17th, internal thread；18th, plane；19th, spring card；20th, boss；21st, screwed hole；22nd, circular hole；23rd, groove；24th, interior six square groove；
25th, slotted hole；26th, relief groove；27th, the second screwed hole；28th, U-lag；29th, screw blade；30th, six square toes；31st, hexagonal hole；
32nd, cylinder；33rd, thread segment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
As shown in figs. 1-11, described a kind of interlocking anti-settling PFN according to embodiments of the present invention, including
Main nail 2, the top of the main nail 2 are equipped with two helical tooth blades 1 set obliquely, and the top of two helical tooth blades 1 is all provided with
Screw blade 29 is equipped with, the lower end of two helical tooth blades 1 is connected with each other by connecting seat 4 to be locked.
In one particular embodiment of the present invention, the upper end of the main nail 2 is fixedly connected with tail cap 3, the main nail 2
Top offers the inclined hole 10 corresponding with the helical tooth blade 1, and 2 bottoms of the main nail offer slotted hole 25 and relief groove
26。
In one particular embodiment of the present invention, the upper end of the main nail 2 is provided with the first stepped screwed hole
11 and second screwed hole 27, the upper end of the tail cap 3 is provided with six square toes 30, six sides is offered at the center of six square toes 30
Hole 31, the lower end of the tail cap 3 are provided with the cylinder 32 being engaged with the thread Pilot hole of second screwed hole 27, the tail cap
3 are provided with the thread segment 33 being engaged with first screwed hole 11 between six square toes 30 and cylinder 32.
In one particular embodiment of the present invention, the angle between 2 tops of the top of helical tooth blade 1 and the main nail
For 55 °.
In one particular embodiment of the present invention, the helical tooth blade 1 includes cutter body 6, the cutter body 6
Top sets the screw blade 29, and the lower outside of the cutter body 6 is arranged with sleeve pipe 8, the lower end of the cutter body 6
It is connected with the upper end of jackscrew 7, the jackscrew 7 is threaded with nut 9, the bottom of the cutter body 6 and the nut 9
Bottom is each provided with a cascaded surface, and described sleeve pipe 8 is arranged between two cascaded surfaces.
In one particular embodiment of the present invention, offered on the lower end surface of the cutter body 6 with jaggy
Blind hole, buckling groove 14 is offered in the upper portion side wall of the blind hole, the upper end of the jackscrew 7 is provided with and the phase of buckling groove 14
The projection 15 of cooperation, the jackscrew 7 are provided with screw thread 16 in raised 15 lower section, opened on the lower end surface of the jackscrew 7
Provided with interior six square groove 24.
In one particular embodiment of the present invention, the first sawtooth 12 is provided with the lower end surface of the cutter body 6,
The second sawtooth 13 being engaged with first sawtooth 12 is provided with the upper end end face of the nut 9, is set on the nut 9
There is the internal thread 17 being engaged with the screw thread 16.
In one particular embodiment of the present invention, described sleeve pipe 8 is provided with convex on one end inwall of the nut 9
Platform 20, the top of the nut 9 are in axial direction provided with the plane 18 being engaged with boss 20, and the upper end of the plane 18 is set
Spring card 19 is equipped with, the boss 20 is between the spring card 19 and the cascaded surface of the nut 9.
In one particular embodiment of the present invention, the connecting seat 4 is solid with two jackscrews 7 respectively by connected nail 5
It is fixed to connect, offer the 3rd screwed hole being engaged with the connected nail 5, the connection in interior six square groove 24 of the jackscrew 7
The circular hole 22 being engaged respectively with two connected nails 5 is provided with seat 4, screwed hole 21 is provided between two circular holes 22.
In one particular embodiment of the present invention, the upper end of the main nail 2 offers U-lag 28.
In order to facilitate understand the present invention above-mentioned technical proposal, below by way of in specifically used mode to the present invention it is above-mentioned
Technical scheme is described in detail.
It is of the present invention to be fixedly connected with that mode be connected with, the conventional technical means such as clamping is replaced.
Mutually anti-settling PFN of the present invention is a kind of follow-on PFNA, including helical tooth blade 1, main
Nail 2, tail cap 3, connecting seat 4 and connected nail 5；Described helical tooth blade 1 includes cutter body 6, jackscrew 7, sleeve pipe 8 and nut 9；Institute
The connecting seat 4 stated is arranged on the two pieces of one end of helical tooth blade 1 away from screw blade 29, by connected nail 5 by two pieces of helical tooth blades 1
It is parallel on connecting seat 4, the described upper end of main nail 2 sets inclined hole 10 at two, and inclined hole 10, into 55 ° of angles, is connected in parallel with main nail 2
Two pieces of helical tooth blades 1 can be inserted into two inclined holes 10 in；Section 33 is threaded in described tail cap 3, the with 2 upper heads of main nail
One screwed hole 11 is in mating connection；The described inner hollow of sleeve pipe 8, it is arranged on the outside of cutter body 6, described cutter body
6 end faces away from screw blade 29 set the first sawtooth 12, and the upper surface of described nut 9 sets the second sawtooth 13, the first saw
The sawtooth 13 of tooth 12 and second can be meshed；One end of the first sawtooth of band 12 of cutter body 6 sets breach, and described jackscrew 7 is set
Stepped cylindrical is set to, the projection 15 of the upper end of jackscrew 7 can be entered by the breach in the buckling groove 14 of cutter body 16, described
The outside of jackscrew 7 is threaded 16, the described inner hollow of nut 9, sets internal thread 17 on inwall, nut 9 connects with the screw thread of jackscrew 7
Connect；Plane 18 is symmetrically arranged with described nut 9, spring card 19 is provided with plane, described sleeve pipe 8 is cylindrical,
Inner hollow, boss 20 is symmetrically arranged with one end inwall of nut 9, boss 20 is engaged with plane 18, when nut 9 revolves
When entering sleeve pipe 8, when the second sawtooth 13 on nut 9 is engaged with the first sawtooth 12 of cutter body 6, the spring card on nut 9
19 can snap on the boss 20 of sleeve pipe 8, prevent coming off for nut.Described connecting seat 4 is set into batter post shape, the centre of connecting seat 4
Screwed hole 21, it is easy to carry out capturing operation during operation, the both sides of screwed hole 21 set circular hole 22, for installing connected nail 5, circular hole 22
The gradient of axis and connecting seat 4 be consistent, the one end of circular hole 22 sets chamfering, and the other end sets groove 23, helical tooth blade 1 with
When connector 4 connects, nut 9 can be inserted in the groove 23.Described jackscrew six square grooves in the setting of one end of connecting seat 4
24, it is easy to apparatus to capture, the 3rd screwed hole is set in interior six square groove 24 of described jackscrew 7, for connects with the screw thread of connected nail 5
Connect.
The described bottom of main nail 2 setting is cambered, and the radian meets the radian of human femur under loading, and 2 bottoms of main nail set oval
Hole 25, the both ends of slotted hole 25 set chamfering, and the screw for screwing in human femur under loading passes through the slotted hole 25, added so as to provide sound state
Pressure, 2 bottoms of main nail set relief groove 26, main nail 2 dispersible stress, is prevented Periprosthetic fracture in implanted femur intracavitary；
The upper end of main nail 2 sets the second screwed hole 27, after fracture site heals, can screw in the second spiral shell with a threaded rod in outside
Pit 27, the threaded connection of rod and main nail 2, by applying pulling force to rod, main nail 2 can be driven to exit femur；The upper end of main nail 2 is set
U-type groove 28 is put, is easy to connect apparatus with U-type groove to make a distinction left and right part during operation.
Screw blade 29 is set on described cutter body 6, and screw blade 29 has roomy contact area, improves near
The stability of sclerite is held, for sufferers of osteoporosis face, screw blade 29 is pressed onto screw blade 29 weeks when squeezing into, by cancellous bone
Enclose, the anchor for improving helical tooth blade 1 is made a concerted effort, and the cancellous bone that biomechanics experiment has proven to compress can make the stability of helical tooth blade 1
Improve, can prevent from rotating well and collapse.
Two pieces of helical tooth blades 1 are used in parallel by connecting seat 4, and two pieces of helical tooth blades 1, which are used in combination to can be achieved to combine, to be continued
Pressurization, prevents femoral head from rotating, further improves anti-cut output.
The described inner hollow of tail cap 3, tail cap nail on end head and set six square toes 30, and the inside of six square toes 30 sets hexagonal hole
31, the lower end of tail cap 3 sets cylinder 32, and the thread Pilot hole of cylinder 32 and the second screwed hole 27 on main nail 2 matches.
Mutually anti-settling PFN of the present invention is applied to base of nebk ot femur and through Intertrochanter fracture of femur, slightly
Grand fracture, subtrochanteric fracture, inverse tuberosity are fractured, and the treatment such as nonunion or poor healing, multiple injury.
To sum up, by means of the above-mentioned technical proposal of the present invention, it can prevent fracture site from rotating, cause greater trochanter bone piece to be squeezed
Open, and be applied to sufferers of osteoporosis face, effectively improve hold.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. one kind interlocking anti-settling PFN, including main nail（2）, it is characterised in that the main nail（2）Top wear
Provided with two helical tooth blades set obliquely（1）, two helical tooth blades（1）Top be provided with screw blade（29）, two
The helical tooth blade（1）Lower end pass through connecting seat（4）It is connected with each other locking.
2. interlocking anti-settling PFN according to claim 1, it is characterised in that the main nail（2）It is upper
End is fixedly connected with tail cap（3）, the main nail（2）Top offer and the helical tooth blade（1）Corresponding inclined hole（10）,
The main nail（2）Bottom offers slotted hole（25）And relief groove（26）.
3. interlocking anti-settling PFN according to claim 2, it is characterised in that the main nail（2）It is upper
End is provided with the first stepped screwed hole（11）With the second screwed hole（27）, the tail cap（3）Upper end be provided with six sides
Head（30）, six square toes（30）Center at offer hexagonal hole（31）, the tail cap（3）Lower end be provided with and described
Two screwed holes（27）The cylinder that is engaged of thread Pilot hole（32）, the tail cap（3）In six square toes（30）With cylinder（32）
Between be provided with and first screwed hole（11）The thread segment being engaged（33）.
4. interlocking anti-settling PFN according to claim 1, it is characterised in that the helical tooth blade（1）
Top and the main nail（2）Angle between top is 55 °.
5. interlocking anti-settling PFN according to claim 1, it is characterised in that the helical tooth blade（1）
Including cutter body（6）, the cutter body（6）Top the screw blade is set（29）, the cutter body（6）Under
Portion's outer sheath is provided with sleeve pipe（8）, the cutter body（6）Lower end be connected with jackscrew（7）Upper end, the jackscrew（7）Screw thread
It is connected with nut（9）, the cutter body（6）Bottom and the nut（9）Bottom be each provided with a cascaded surface, it is described
Sleeve pipe（8）It is arranged between two cascaded surfaces.
6. interlocking anti-settling PFN according to claim 5, it is characterised in that the cutter body（6）
Lower end surface on offer with blind hole jaggy, offer buckling groove in the upper portion side wall of the blind hole（14）, the top
Silk（7）Upper end be provided with and the buckling groove（14）The projection being engaged（15）, the jackscrew（7）In the projection（15）'s
Lower section is provided with screw thread（16）, the jackscrew（7）Lower end surface on offer in six square grooves（24）.
7. interlocking anti-settling PFN according to claim 6, it is characterised in that the cutter body（6）
Lower end surface on be provided with the first sawtooth（12）, the nut（9）Upper end end face on be provided with and first sawtooth
（12）The second sawtooth being engaged（13）, the nut（9）On be provided with and the screw thread（16）The internal thread being engaged（17）.
8. interlocking anti-settling PFN according to claim 7, it is characterised in that described sleeve pipe（8）It is close
The nut（9）One end inwall on be provided with boss（20）, the nut（9）Top be in axial direction provided with and boss
（20）The plane being engaged（18）, the plane（18）Upper end be provided with spring card（19）, the boss（20）Positioned at institute
State spring card（19）With the nut（9）Cascaded surface between.
9. interlocking anti-settling PFN according to claim 8, it is characterised in that the connecting seat（4）It is logical
Cross connected nail（5）Respectively with two jackscrews（7）It is fixedly connected, the jackscrew（7）Interior six square groove（24）Inside offer and institute
State connected nail（5）The 3rd screwed hole being engaged, the connecting seat（4）On be provided with respectively with two connected nails（5）Match
The circular hole of conjunction（22）, two circular holes（22）Between be provided with screwed hole（21）.
10. interlocking anti-settling PFN according to claim 1, it is characterised in that the main nail（2）It is upper
End offers U-lag（28）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760929.8A CN107440778A (en) | 2017-08-30 | 2017-08-30 | One kind interlocking anti-settling PFN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760929.8A CN107440778A (en) | 2017-08-30 | 2017-08-30 | One kind interlocking anti-settling PFN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107440778A true CN107440778A (en) | 2017-12-08 |
Family
ID=60493379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710760929.8A Pending CN107440778A (en) | 2017-08-30 | 2017-08-30 | One kind interlocking anti-settling PFN |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259842A (en) * | 2018-10-10 | 2019-01-25 | 苏州吉美瑞医疗器械股份有限公司 | A kind of femur marrow internal fixation nail |
| US20220079635A1 (en) * | 2020-08-18 | 2022-03-17 | Spinal Generations Llc | Lag-screw-retaining clip and nail systems and methods incorporating the same |
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| CN208404803U (en) * | 2017-08-30 | 2019-01-22 | 北京市富乐科技开发有限公司 | A kind of interlocking anti-settling proximal femoral nail |
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- 2017-08-30 CN CN201710760929.8A patent/CN107440778A/en active Pending
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| US20070219636A1 (en) * | 2004-04-12 | 2007-09-20 | Thakkar Navin N | implant assembly for proximal femoral fracture |
| CN201701286U (en) * | 2009-12-24 | 2011-01-12 | 北京理贝尔生物工程研究所有限公司 | Proximal femoral nail system |
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| CN202497228U (en) * | 2012-01-13 | 2012-10-24 | 常州市康辉医疗器械有限公司 | Spiral blade type femur near-end minimally invasive lockplate |
| CN204814140U (en) * | 2015-06-29 | 2015-12-02 | 北京贝思达生物技术有限公司 | PFNA intramedullary nail |
| CN106073877A (en) * | 2016-07-14 | 2016-11-09 | 闻泰医疗科技（上海）有限公司 | A kind of near end of thighbone Medullary fixation device |
| CN208404803U (en) * | 2017-08-30 | 2019-01-22 | 北京市富乐科技开发有限公司 | A kind of interlocking anti-settling proximal femoral nail |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259842A (en) * | 2018-10-10 | 2019-01-25 | 苏州吉美瑞医疗器械股份有限公司 | A kind of femur marrow internal fixation nail |
| US20220079635A1 (en) * | 2020-08-18 | 2022-03-17 | Spinal Generations Llc | Lag-screw-retaining clip and nail systems and methods incorporating the same |
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Application publication date: 20171208 |