CN106580416A - Intertrochanteric fracture intramedullary fixation system - Google Patents
Intertrochanteric fracture intramedullary fixation system Download PDFInfo
- Publication number
- CN106580416A CN106580416A CN201710033536.7A CN201710033536A CN106580416A CN 106580416 A CN106580416 A CN 106580416A CN 201710033536 A CN201710033536 A CN 201710033536A CN 106580416 A CN106580416 A CN 106580416A
- Authority
- CN
- China
- Prior art keywords
- locking nail
- nail
- pulling force
- fixation system
- perforate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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
-
- 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
- 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
Abstract
The invention relates to an intertrochanteric fracture intramedullary fixation system, comprising: an intramedullary nail, a proximal tension locking nail and a distal locking nail; the intramedullary nail comprises a proximal end and a distal end provided with a first hole and a second hole respectively; the proximal tension locking nail penetrates through the first hole, with the front end entering the femoral head and the tail end fixed to the intramedullary nail through a fixing part; the distal locking nail is fixed to the intramedullary nail through the second hole; the tail end of the distal tension locking nail is a releasable mounting tool and a pressure tool, the pressure tool is of hollow structure, the inner wall of the pressure tool is in threaded connection with the proximal tension locking nail. Compared with the prior art, the intertrochanteric fracture intramedullary fixation system integrates the advantages in both an intramedullary nail and a locking steel plate, marrow expanding is not required, surgical time is effectively shortened, disturbances on the medullary cavity are significantly reduced, intraoperative and postoperative hemorrhage is greatly reduced, auxiliary structures such as an anti-rotation nail are not required, surgical time is further shortened, and the system is more suitable for Chinese people to use.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of intertrochanteric fracture Medullary fixation system.
Background technology
Intertrochanteric fracture is orthopaedics commonly encountered diseases, and 90% is, general population sickness rate women 63/10 caused by falling
Ten thousandth, male 34/,100,000,30% occurs in Asia, and wherein most is in China, extend with average life, aging plus
Deep sickness rate has the trend for increasing year by year.
Conventional at present to adopt operative treatment, it has promotion early ambulant, beneficial to rehabilitation, prevents bed complication, reduces
The advantages of mortality rate, operation fixed form is divided into：Interal fixation (marrow external square type), Intramedullary nailing (mode in marrow).
Interal fixation (marrow external square type) mainly adopts DHS (hip dynamic pressurized screw), and it passes through slip pressurization and reaches fracture
The contact of face maximum magnitude, and then the load that interior fixation is born is reduced, but it has as a drawback that：Only it is useful in stable fracture；
Surgical exposure is larger, increased the risk of bleeding and infection；Eccentricity is fixed, and stability is poor, is susceptible to broken nail, disconnected plate and is cut
Go out femoral head equivalent risk；It is susceptible to coxa vara.
Intramedullary nailing (mode in marrow) belongs to centrality to be fixed, good mechanical properties, it is adaptable to which all types are fractured, tool
There are respective intrinsic advantages, but Intramedullary nailing (mode in marrow) the following shortcoming of generally existing for using at present：Need to expand marrow, be
Fixation is more stable, select the reasons such as the intramedullary pin being more suitable for major part intramedullary pin to need to expand marrow, causes pulp cavity blood fortune of short duration broken
(afterwards) bleeding increase, operating time extend in bad, art, increase related surgical risk；It is excessively thick, to be not suitable for compatriots' skeleton special
Levy, current apparatus is more with the design of occidentals's skeleton character, universal thick, by taking the double nail designs of Intertan as an example, double nails take more
Big neck of femur space, cause part crowd of short and small stature can not use or art in risk of bone fracture increase；Pressurization it is limited or
Can not pressurize, Gamma-3 pressure capacities are limited, PFNA can not pressurize；Easily there is displacement fracture in art, mismatch because dissecting, marrow
Excessively thick etc. strength when causing intramedullary pin to be inserted of interior nail is larger or even inserts roughly, causes displacement fracture, and PFNA circular knifes
Fracture site shift separation is may also lead to when piece is knocked in.
The content of the invention
It is an object of the invention to overcome defect of the prior art, there is provided a kind of intertrochanteric fracture Medullary fixation system
System, it is not necessary to expand marrow, it combines the advantage of locking steel plate and intramedullary pin, is avoided that conventional intramedullary pin (needing to expand marrow) and steel plate
The inherent defect of (bias fixed), with it is easy to operate, fixed it is reliable, go out that insufficiency of blood, operating time be short, patient to operation tolerance more
Good the advantages of.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of intertrochanteric fracture Medullary fixation system, including：Intramedullary pin, the intramedullary pin include proximally and distally,
The first perforate for inclining insertion is set on the near-end, the second perforate of insertion is set on the distal end；Near-end pulling force locking nail,
The near-end pulling force locking nail runs through first perforate, and the front end of the near-end pulling force locking nail is entered in femoral head, described
The tail end of near-end pulling force locking nail is by fixture and the Intramedullary nailing；Far-end locking is followed closely, and the far-end locking nail passes through
Second perforate and the Intramedullary nailing；Wherein, the intramedullary pin and near-end pulling force locking nail are hollow structure；Its
In, the tail end of the near-end pulling force locking nail arranges dismountable installation tool and pressurizing tool, the external diameter of the pressurizing tool
More than the diameter of first perforate, the pressurizing tool is a hollow structure, and its inwall can be with the near-end pulling force locking nail
Threaded connection.
In order to further optimize above-mentioned technical proposal, the technical measures that the present invention is taken also include：
Preferably, the fixture is a hollow structure, and the outer wall of the fixture is screw thread company with first perforate
Connect, the inwall of the fixture is to be threadedly coupled with the near-end pulling force locking nail.
Preferably, the far-end locking nail is to be threadedly coupled with second perforate.
Preferably, the end of the tail end of the near-end pulling force locking nail is interior hexagonal structure, and the installation tool is interior six
Angle spanner.
Preferably, a diameter of 13～15mm of the near-end, more preferably 14mm；A diameter of the 8.5 of the distal end～
10.5mm, more preferably 9.5mm；The cross section of the near-end is that circular arc is trapezoidal.
Preferably, the intramedullary pin has 10～14 ° of top rake, more preferably 12 ° of top rake；The near-end tool
There are 3～5 ° of valgus angle, more preferably 4 ° of valgus angle.
Preferably, a diameter of 9～11mm of the near-end pulling force locking nail, more preferably 10mm；The far-end locking nail
4～6mm of diameter, more preferably 5mm.
Preferably, the structure of screw thread is respectively provided with outside the two ends that the near-end pulling force locking nail is formed in one；Wherein, institute
State the diameter of the tail end with diameter greater than the near-end pulling force locking nail of the front end of near-end pulling force locking nail, the diameter of the front end
Equal to or slightly less than the diameter of first perforate.
Preferably, the near-end pulling force locking nail is the composite construction being made up of with accessory three accessory one, accessory two, described
Accessory one is respectively provided with screw thread with the outside of accessory two, and both are connected by the accessory three；The accessory two can be with the installation
Instrument and pressurizing tool connect, in the implantable femoral head of the accessory one；Wherein, the accessory one with diameter greater than the accessory
Two, the diameter of the accessory one is equal to or slightly less than the diameter of first perforate.
Preferably, the bottom of the distal end is the smooth cone of undergauge, and the bottom of the cone is smooth class ball
Shape structure.
Compared with prior art, the invention has the advantages that：
Intramedullary pin of the present invention is designed with self-locking latch-up structure, and without the need for expanding marrow, and fracture site is capable of achieving pressurization,
More suitable for compatriots' instrument of skeleton anatomical structure；
The present invention adopts the intramedullary pin structure of unique design, intramedullary pin perforate hole inwall to be threaded the screw thread with each screw
Match and reach itself locking and complete to fix；The near-end of intramedullary pin of the present invention designs a pulling force locking nail, it is only necessary to
Supporting dismountable pressurizing tool can realize pressurization or be not pressurized according to individual needs；Intramedullary pin of the present invention
It is designed according to compatriots' femoral intertrochanteric and femoral shaft proximal segment pulp cavity anatomical data, is more suitable for compatriots, is embodied in apparatus
Diameter is more compact, intramedullary pin form and pulp cavity are more consistent, near-end circular arc trapezoidal design, beneficial to anti-rotation；
Intramedullary pin of the present invention is integrated with the advantage of intramedullary pin and locking steel plate, and because expanding marrow handss are effectively shortened
The art time, and pulp cavity interference is significantly reduced, it is greatly reduced in art, postoperative hemorrhage, while the present invention does not need anti-rotation nail etc.
Supplementary structure, further reduces operating time, is more suitable for compatriots and uses.
Description of the drawings
Fig. 1 is the structural representation of the intertrochanteric fracture Medullary fixation system in one embodiment of the invention；
Fig. 2 is the structural representation of the enforcement pressure process in one embodiment of the invention；
Reference in figure is：
1st, intramedullary pin；11st, near-end；12nd, distal end；13rd, the first perforate；14th, the second perforate；2nd, near-end pulling force locking nail；21、
Front end；22nd, tail end；3rd, fixture；4th, far-end locking nail；5th, pressurizing tool.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is further described.Following examples are only
For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, the intertrochanteric fracture Medullary fixation system described in one embodiment of the invention include intramedullary pin 1,
Near-end pulling force locking nail 2 and far-end locking nail 4.
As shown in figure 1, the intramedullary pin 1 includes near-end 11 and distal end 12, the near-end 11 with diameter greater than the distal end
12 diameter is matched with the structure preferably with pulp cavity, and the first perforate 13 for inclining insertion is arranged on the near-end 11, described
Second perforate 14 of insertion is set on distal end 12, and the intramedullary pin 1 is arranged in pulp cavity；The near-end pulling force locking nail 2 runs through
First perforate 13, the front end 21 of the near-end pulling force locking nail 2 is entered in femoral head, the near-end pulling force locking nail 2
Tail end 22 is fixed by fixture 3 with the intramedullary pin 1；The far-end locking nail 4 is by second perforate 14 and the marrow
Interior nail 1 is fixed to play the firm effect of multi-point support；Wherein, the intramedullary pin 1 and near-end pulling force locking nail 2 are hollow knot
Structure, is hollow to be each passed through respective guid needle in the middle of it；Wherein, the setting of tail end 22 of the near-end pulling force locking nail 2 can
The installation tool and pressurizing tool 5 of dismounting, the external diameter of the pressurizing tool 5 is more than the diameter of first perforate 13, described to add
Pressure instrument 5 is a hollow structure, and its inwall can be threadedly coupled with the near-end pulling force locking nail 2, and the installation tool is used for will
In the implanted unit bone of near-end pulling force locking nail 2, the pressurizing tool 5 is used for the pressurized fracture broken ends of fractured bone so that fracture line closure；Wherein,
The bottom of the distal end 12 of the intramedullary pin 1 is the smooth cone of undergauge, and the bottom of the cone is smooth spherical knot
Structure, can be the smooth shape such as spherical or elliposoidal, and while being beneficial to the implantation pulp cavity of intramedullary pin 1 cutting is not susceptible to.
In a preferred embodiment, the front end 21 of the near-end pulling force locking nail 2 and tail end 22 are respectively provided with screw thread, its front end
21 end is smooth spherical structure, can be the smooth shape such as spherical or elliposoidal, so that near-end pulling force locking nail 2
Front end 21 will not cut during implanted unit bone, further protect skeleton；The inwall of first perforate 13 arranges spiral shell
Stricture of vagina, the fixture 3 is a hollow structure, and the outer wall of the fixture 3 arranges the screw thread supporting with first perforate 13, institute
The inwall for stating fixture 3 arranges the screw thread supporting with the tail end 22 of the near-end pulling force locking nail 2, so as to complete near-end tension lock
Surely itself locking of nail 2 and intramedullary pin 1, prevents it from twisting；The far-end locking nail 4 and second perforate 14 are screw thread
Connect to play the firm effect of the multi-point support of intramedullary pin 1.The present invention is limited in intramedullary pin and near-end pulling force locking nail, marrow
Nail and the connected mode of far-end locking nail, may also be employed other and are reliably fixedly connected mode, such as rotary clamping, riveting etc..
In a preferred embodiment, the end of the tail end 22 of the near-end pulling force locking nail 2 be interior hexagonal structure, the peace
Holding tool is inner hexagon spanner, and the inner hexagon spanner coordinates with the end of the tail end 22, and near-end tension lock is followed closely into 2 plants surely
Enter femoral head, until the front end 21 of near-end pulling force locking nail 2 passes through fracture line, now removable inner hexagon spanner.The present invention is simultaneously
The form of installation tool is not limited, other suitable installation tools may also be employed, such as it can be outer hexagonal spanner, now described
The end of the tail end 22 of near-end pulling force locking nail 2 is then outer-hexagonal structure；It can also be Phillips screwdriver, and now the near-end draws
The end of the tail end 22 of power locking nail 2 is then Philip's head screw structure.
In a preferred embodiment, as shown in Fig. 2 when pressurized operation is needed, can be pressurizeed using pressurizing tool 5.
The external diameter of the pressurizing tool 5 more than first perforate 13 diameter, at least big 5～8mm, when need pressurization when, use this
Pressurizing tool 5 withstands the outer wall of the intramedullary pin 1, and the pressurization of section is realized while tightening to complete the closure of fracture line.
In a preferred embodiment, a diameter of 13～15mm (such as 14mm) of the near-end 11, the diameter of the distal end 12
For 8.5～10.5mm (such as 9.5mm)), the cross section of the near-end 11 is that circular arc is trapezoidal；The intramedullary pin 1 has 10～14 °
The top rake of (such as 12 °), the near-end 11 has the valgus angle of 3～5 ° (such as 4 °)；The near-end pulling force locking nail 2 it is a diameter of
9～11mm (such as 10mm), the 4～6mm of diameter (such as 5mm) of far-end locking nail (4), above-mentioned each size range is optimum
The size of structure between compatriots' human femur under loading rotor, this causes overall apparatus smaller skilful, reduces production cost and occupancy
Space, the intramedullary pin form using above-mentioned size is more consistent with the matching degree of pulp cavity, and the circular arc trapezoidal design that near-end is adopted is more
Beneficial to the anti-rotation of intramedullary pin；The intramedullary pin of the rectilinear configuration in hinge structure, the setting of the top rake of intramedullary pin is caused
Intramedullary pin is easier to be implanted into pulp cavity, so as to reduce art in, postoperative hemorrhage, the setting of the valgus angle of intramedullary pin near-end causes medical care
Personnel are physically easier to perform in operation process, so as to shorten operating time, while the displacement fractured in operation process is avoided, drop
The low pain of patient.
In a preferred embodiment, it is respectively provided with screw thread outside the two ends that the near-end pulling force locking nail 2 is formed in one
Structure, wherein the tail end 22 with diameter greater than the near-end pulling force locking nail 2 of the front end 21 of the near-end pulling force locking nail 2 is straight
Footpath, the diameter of the front end 21 is equal to or slightly less than the diameter of first perforate 11；Optionally, the near-end pulling force locking nail
2 composite constructions that also can be made up of with accessory three accessory one, accessory two, the accessory one is respectively provided with spiral shell with the outside of accessory two
Stricture of vagina, both are connected by the accessory three；The accessory two can be connected with the installation tool and pressurizing tool, the accessory one
In implantable femoral head, the accessory one with diameter greater than the accessory two, the diameter of the accessory one is equal to or slightly less than institute
State the diameter of the first perforate.List need to be carried out according to the practical situation of each patient using the near-end pulling force locking nail of integrated formed structure
Solely manufacture, its matching degree is higher, it is easier to postoperative reparation；And adopt the near-end pulling force locking nail of composite construction to be capable of achieving its near-end
The control of pulling force locking nail length, can produce by batch, and cost is relatively low, it is easier to promote on a large scale, using the near-end of above-mentioned pattern
Pulling force locking nail can avoid using the supplementary structure such as screw blade, so as to the shift separation of fracture site for avoiding.
The operating procedure of intertrochanteric fracture Medullary fixation system of the present invention is as follows：
After the reduction of the fracture, in greater trochanter summit opening, the guid needle of intramedullary pin 1 is squeezed into pulp cavity by external sight, then
It is directed to device and is connected with intramedullary pin 1 along its guid needle that intramedullary pin 1 inserted into pulp cavity, after perspective intramedullary pin 1 position is good, removes
Guider；External sight squeezes into the guid needle of pulling force locking nail 2, edge from the position of the first perforate 13 of the near-end 11 of intramedullary pin 1
Its guid needle is screwed into near-end pulling force locking nail 2 by supporting installation tool, and perspective is shown in the front end 21 of near-end pulling force locking nail 2
Screw thread is crossed after fracture line, removes installation tool；Broken ends of fractured bone pressurization is carried out using pressurizing tool 5, is pressurizeed when being screwed into, have an X-rayed fracture line
After closing completely, pressurizing tool 5 is removed, be screwed into fixture 3 and be allowed to be connected intramedullary pin 1 and pulling force locking nail 2；In intramedullary pin
Far-end locking nail 4 is screwed at second perforate 14 of 1 distal end 12, operation is completed.
From above-described embodiment, intertrochanteric fracture Medullary fixation system of the present invention, its simple structure, behaviour
Facilitate, which employs the intramedullary pin structure of unique design, the perforate inwall of intramedullary pin is threaded and itself and each screw
Screw thread matches and reaches itself locking and complete to fix, it is not necessary to the supplementary structure such as anti-rotation nail；Intramedullary pin of the present invention
Near-end design a pulling force locking nail, it is only necessary to supporting dismountable pressurizing tool can according to individual need realize pressurization or
It is not pressurized；Intramedullary pin of the present invention is designed according to compatriots' femoral intertrochanteric and femoral shaft proximal segment pulp cavity anatomical data,
It is more suitable for compatriots, it is more consistent to be embodied in more compact instrumentation diameters, intramedullary pin form and pulp cavity, near-end circular arc trapezoidal design,
Beneficial to anti-rotation；Intramedullary pin of the present invention is integrated with the advantage of intramedullary pin and locking steel plate, effectively contracts because expanding marrow
Short operating time, and pulp cavity interference is significantly reduced, it is greatly reduced in art, postoperative hemorrhage, operating time is further reduced, more
Suitable compatriots use.
The specific embodiment of the present invention has been described in detail above, but it is only used as example, and the present invention is not intended to limit
In particular embodiments described above.To those skilled in the art, any equivalent modifications that the practicality is carried out and replace
In generation, is also all among scope of the invention.Therefore, the equalization made without departing from the spirit and scope of the invention is converted and repaiied
Change, all should cover within the scope of the invention.
Claims (9)
1. a kind of intertrochanteric fracture Medullary fixation system, it is characterised in that include：
Intramedullary pin (1), the intramedullary pin (1) includes near-end (11) and distal end (12), arranges on the near-end (11) and inclines insertion
The first perforate (13), on the distal end (12) arrange insertion the second perforate (14)；
Near-end pulling force locking nail (2), the near-end pulling force locking nail (2) is through first perforate (13), the near-end pulling force
Into in femoral head, the tail end (22) of the near-end pulling force locking nail (2) is by fixture (3) for the front end (21) of locking nail (2)
It is fixed with the intramedullary pin (1)；
Far-end locking follows closely (4), and far-end locking nail (4) is fixed with the intramedullary pin (1) by second perforate (14)；
Wherein, the tail end (22) of the near-end pulling force locking nail (2) arranges dismountable installation tool and pressurizing tool (5), institute
The diameter of the external diameter more than first perforate (13) of pressurizing tool (5) is stated, the pressurizing tool (5) is a hollow structure, its
Inwall can be threadedly coupled with the near-end pulling force locking nail (2).
2. a kind of intertrochanteric fracture Medullary fixation system according to claim 1, it is characterised in that the fixture
(3) be a hollow structure, the outer wall of the fixture (3) with first perforate (13) to be threadedly coupled, the fixture (3)
Inwall and the near-end pulling force locking nail (2) to be threadedly coupled.
3. a kind of intertrochanteric fracture Medullary fixation system according to claim 1, it is characterised in that the remote lock
It is fixed to follow closely (4) with second perforate (14) to be threadedly coupled.
4. a kind of intertrochanteric fracture Medullary fixation system according to claim 1, it is characterised in that the near-end draws
The end of the tail end (22) of power locking nail (2) is interior hexagonal structure, and the installation tool is inner hexagon spanner.
5. a kind of intertrochanteric fracture Medullary fixation system according to claim 1, it is characterised in that the near-end
(11) a diameter of 13～15mm, a diameter of 8.5～10.5mm of the distal end (12), the cross section of the near-end (11) is circle
Arc is trapezoidal.
6. a kind of intertrochanteric fracture Medullary fixation system according to claim 1, it is characterised in that the intramedullary pin
(1) with 10～14 ° of top rake, the near-end (11) is with 3～5 ° of valgus angle.
7. a kind of intertrochanteric fracture Medullary fixation system according to claim 1, it is characterised in that the near-end draws
A diameter of 9～11mm of power locking nail (2), the 4～6mm of diameter of far-end locking nail (4).
8. a kind of intertrochanteric fracture Medullary fixation system according to claim 1, it is characterised in that the near-end draws
The structure of screw thread is respectively provided with outside the two ends that power locking nail (2) is formed in one.
9. a kind of intertrochanteric fracture Medullary fixation system according to claim 1, it is characterised in that the near-end draws
Power locking nail (2) is the composite construction being made up of with accessory three accessory one, accessory two, and the accessory one is equal with the outside of accessory two
It is threaded, both are connected by the accessory three；The accessory two is connected with the installation tool and pressurizing tool, described to match somebody with somebody
In the implanted unit bone of part one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033536.7A CN106580416A (en) | 2017-01-16 | 2017-01-16 | Intertrochanteric fracture intramedullary fixation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033536.7A CN106580416A (en) | 2017-01-16 | 2017-01-16 | Intertrochanteric fracture intramedullary fixation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106580416A true CN106580416A (en) | 2017-04-26 |
Family
ID=58584832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033536.7A Pending CN106580416A (en) | 2017-01-16 | 2017-01-16 | Intertrochanteric fracture intramedullary fixation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106580416A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184564A (en) * | 2019-12-26 | 2020-05-22 | 南华大学附属南华医院 | Novel unilateral locking lumbosacral vertebrae axial fusion internal fixation system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5498265A (en) * | 1991-03-05 | 1996-03-12 | Howmedica Inc. | Screw and driver |
| CN2375260Y (en) * | 1999-02-25 | 2000-04-26 | 杨哲忠 | Intramedullary nail |
| US6443954B1 (en) * | 2001-04-24 | 2002-09-03 | Dale G. Bramlet | Femoral nail intramedullary system |
| CN201040013Y (en) * | 2006-11-09 | 2008-03-26 | 李涛 | Active sleeve power coxa screw nail |
| JP2012030105A (en) * | 2011-10-13 | 2012-02-16 | Japan Medical Materials Corp | Fixing appliance for bone fracture of proximal part of femur |
| CN104000647A (en) * | 2014-06-10 | 2014-08-27 | 江苏百易得医疗科技有限公司 | Gamma intramedullary nail |
| CN105395244A (en) * | 2015-11-23 | 2016-03-16 | 赵文 | Femoral intramedullary nail device |
| CN207024107U (en) * | 2017-01-16 | 2018-02-23 | 上海市第六人民医院 | A kind of intertrochanteric fracture Medullary fixation system |
-
2017
- 2017-01-16 CN CN201710033536.7A patent/CN106580416A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5498265A (en) * | 1991-03-05 | 1996-03-12 | Howmedica Inc. | Screw and driver |
| CN2375260Y (en) * | 1999-02-25 | 2000-04-26 | 杨哲忠 | Intramedullary nail |
| US6443954B1 (en) * | 2001-04-24 | 2002-09-03 | Dale G. Bramlet | Femoral nail intramedullary system |
| CN201040013Y (en) * | 2006-11-09 | 2008-03-26 | 李涛 | Active sleeve power coxa screw nail |
| JP2012030105A (en) * | 2011-10-13 | 2012-02-16 | Japan Medical Materials Corp | Fixing appliance for bone fracture of proximal part of femur |
| CN104000647A (en) * | 2014-06-10 | 2014-08-27 | 江苏百易得医疗科技有限公司 | Gamma intramedullary nail |
| CN105395244A (en) * | 2015-11-23 | 2016-03-16 | 赵文 | Femoral intramedullary nail device |
| CN207024107U (en) * | 2017-01-16 | 2018-02-23 | 上海市第六人民医院 | A kind of intertrochanteric fracture Medullary fixation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184564A (en) * | 2019-12-26 | 2020-05-22 | 南华大学附属南华医院 | Novel unilateral locking lumbosacral vertebrae axial fusion internal fixation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10918430B2 (en) | Bone screw with multiple thread profiles for far cortical locking and flexible engagement to a bone | |
| JP2004524928A (en) | Bone fracture adhesion device | |
| CN201239191Y (en) | Intramedullary nail for locking fractured femur | |
| CN207024107U (en) | A kind of intertrochanteric fracture Medullary fixation system | |
| CN110974383A (en) | Femoral intramedullary nail device | |
| CN209220462U (en) | A kind of near end of thighbone Medullary fixation device | |
| CN201164501Y (en) | Internal fixation device for intertrochanteric fracture | |
| CN106821479A (en) | Fractured near end of thighbone improves intramedullary nail inner fixing device | |
| CN106580416A (en) | Intertrochanteric fracture intramedullary fixation system | |
| CN211381692U (en) | Internal fixation system for treating femoral neck fracture | |
| CN200998302Y (en) | Limited dynamic pressurization hip screw device | |
| CN111248989A (en) | Femoral neck fracture fixing device | |
| CN100584284C (en) | Dilating expansion intramedullary nail | |
| CN113242722A (en) | Pressurized intramedullary rod | |
| CN206852653U (en) | Fractured near end of thighbone improves intramedullary nail inner fixing device | |
| CN106821480A (en) | Femur pressure self-locked intramedullary needle | |
| CN104997557B (en) | Rectangular frame sight is fixed at a kind of two ends | |
| CN205411287U (en) | Self tapping type marrow internal fixation device suitable for long bone fracture | |
| CN103417280A (en) | Tubular traction pressurization connecting rod control device and outer-bone fixing device | |
| CN208710033U (en) | A kind of shin bone Medullary fixation device | |
| CN206852655U (en) | Fractured near end of thighbone improves locking steel plate inner fixing device | |
| CN201200467Y (en) | Distracting and expending intramedullary nail | |
| CN208876722U (en) | A kind of bone surgery anti-back screw | |
| CN105125266A (en) | Self-tapping intramedullary fixation device suitable for long bone fractures | |
| CN101234037A (en) | Dilating expansion intramedullary nail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |