CN107007379A - Supporting femoral head for preventing collapse coated hollow core titanium rod with anticreep spike devices - Google Patents
Supporting femoral head for preventing collapse coated hollow core titanium rod with anticreep spike devices Download PDFInfo
- Publication number
- CN107007379A CN107007379A CN201710299820.9A CN201710299820A CN107007379A CN 107007379 A CN107007379 A CN 107007379A CN 201710299820 A CN201710299820 A CN 201710299820A CN 107007379 A CN107007379 A CN 107007379A
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- China
- Prior art keywords
- rod
- titanium
- hollow core
- coated hollow
- titanium rod
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
-
- 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
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
- A61F2002/2825—Femur
- A61F2002/2828—Femoral head
Abstract
Osteology belonging to of the invention, it is specifically a kind of new with anti-dropping nail device coated hollow core titanium rod.Easily collapsed after femoral head lesion core decompression, collapse of femoral head is effectively prevented using coated hollow core titanium rod as mechanical support, but a variety of causes causes osteoporosis, because sclerotin intensity is weak and loose around the coated hollow core titanium rod inserted, easily gradually deviate from from neck of femur as time went on, cause to fix failure.The present invention is the coated hollow core titanium rod with anticreep spike devices, and titanium rod tail end is integrally connected with anti-dropping nail support titanium plate, and tail end has cross notch width 1mm, depth 1.5mm, and recess center is to have screw thread, depth of thread 10mm in 4.5mm diameter circular apertures.Anticreep spike devices support titanium plate is 3 hole lockplates, and hole disposed thread, medium pore is connected with titanium rod tail end cross recess centre bore internal thread by lock screw, and the support stomidium of titanium plate two is dry by lock screw resected femur, and screw is 4.5mm diameter locking nails.
Description
Technical field
It is specifically a kind of new with anticreep the invention belongs to clinical medicine, joint surgery and bone material
The supporting femoral head for preventing collapse coated hollow core titanium rod of spike devices.
Background technology
Femoral head cystic lesion particularly caput femoris necrosis (the Necrosis of the generally acknowledged both at home and abroad at present
Femoral head, NFH) method of early treatment is core decompression art, after core decompression in femoral head and meeting in neck of femur
Leaving Cranial defect causes femoral head neck position sclerotin to become weak, can accelerate collapsing for femoral head, how effectively to prevent femoral head
Collapse, clinic is solved this problem in that using the coated hollow core titanium rod of supporting femoral head for preventing collapse and with preferable clinical effectiveness.
But with the patient for causing osteoporosis for a variety of causes using discovery clinical for many years, due to the coated hollow core titanium rod week inserted
Enclose that sclerotin intensity is weak and loose, the necessary activity needed for being lived along with extended patient, the coated hollow core titanium rod inserted with when
Between extension easily gradually deviate from from neck of femur bone, cause solid failure and Endodontic failure.Therefore, R ＆ D design is a kind of effectively
Prevent the new supporting femoral head with anti-dropping nail device that supporting femoral head (preventing what is collapsed) coated hollow core titanium rod is deviate from from preventing from collapsing
Sunken coated hollow core titanium rod is to ensure that clinical treatment is successfully crucial.And can be taken off at any time after after lesion healing according to compatriots' customs and habits
Coated hollow core titanium rod with anticreep spike devices.
The content of the invention
It is an object of the invention to provide a kind of coated hollow core titanium of the new supporting femoral head for preventing collapse with anti-dropping nail device
Rod.Anti-dropping nail support titanium plate is exactly integrally connected by so-called anticreep spike devices with coated hollow core titanium rod tail end, and anti-dropping nail support titanium plate is consolidated
Being scheduled in femoral shaft effectively to withstand coated hollow core titanium rod tail end prevents it from deviating from.
The technical scheme is that texture material is domestic titanium, the rod body of supporting femoral head collapse coated hollow core titanium rod
For flat-nosed cylinder shape, rod diameter 11mm, whole rod length is 50-120mm, and rod length is gradually incremented by with every 5mm, and rod tail is thick spiral shell
Line, screw thread core diameter 11mm, major diameter of thread 11.5mm, flight pitch 1mm, length is 10-20mm, and rod is gradually incremented by with every 2mm
Tail length degree, the corresponding rod tail coarse-pitch thread length of whole rod length is (50-60) × 10mm, (65-70) × 12mm, (75-80) ×
14mm, (85-90) × 16mm, (95-100) × 18mm, (105-120) × 20mm, whole coated hollow core titanium rod central hollow structure are set
Meter, hollow footpath is 1.5mm, and titanium rod tail end is cross recess, and cross notch width 1mm, cross notch depth 1.5mm, cross is recessed
Mouth center is to have screw thread, depth of thread 10mm in 4.5mm diameter circular apertures.Anticreep spike devices support titanium plate is 3 hole rectangle lockings
Tabular, length is 60mm, and width is 14mm, and thickness is 2.5mm, and lock hole is in hemisphere face inverted trapezoidal, hole disposed thread, in nail
Mouth diameter 5.2mm, nail lower port diameter 4.6mm, nail depth 2.5mm, support titanium plate medium pore and coated hollow core titanium rod tail end cross
Recess centre bore internal thread is connected by lock screw, and the support stomidium of titanium plate two is dry by lock screw resected femur, supports titanium
The screw that plate is used is 4.5mm diameter locking nails.
The beneficial effects of the invention are as follows design the coated hollow core titanium rod tail end of the supporting collapse of femoral head with anticreep spike devices
The deep cross recess to be wide, using the width top suitable with titanium rod tail end cross recess with depth in the special of cross tang
T-shaped is screwed into device, is easy to femoral head to support back-outing and being screwed into for titanium rod, efficiently avoid hexagonal in tradition, plum blossom or triangle
Type recess nail tail easily slides mouth or running phenomenon；Titanium rod tail end cross recess Center is interior threaded screw nail hole, will be anti-
De- nail support titanium plate interstitial hole aligns with the screw nail hole at titanium rod tail end cross recess center, passes through 4.5mm diameter lock screws
Support the coated hollow core titanium rod of titanium plate and supporting collapse of femoral head to fix and lock together anti-dropping nail, make anti-dropping nail support titanium plate with
The coated hollow core titanium rod of supporting collapse of femoral head is organically integrated, and the locking nail at anti-dropping nail support titanium plate two ends passes through locking
Fracture is the same to be fixed in femoral shaft stanchly as fixing for screw and femoral shaft, anti-dropping nail support titanium plate except with supporting femoral head
Outside the coated hollow core titanium rod collapsed is connected as a single entity, support titanium plate firmly withstands coated hollow core titanium rod tail end, and by supporting titanium plate and other
The stress that the coated hollow core titanium rod of supporting collapse of femoral head is outwards deviate from is distributed in femoral shaft by lock screw, many principles, effective
Avoid or prevent caused by many reasons such as osteoporosis coated hollow core titanium rod from from loosening the possibility of abjection, Clinical practicability and treatment
Effect is preferable.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention
Embodiment
1 coated hollow core titanium rod, the support titanium plate of 2 anticreep spike devices, 3 lock screws nail are marked in figure.
It can be seen that 1 coated hollow core titanium rod of mark is cylindric, mark 2 anticreep spike devices support titanium plate is rectangle, hollow
Titanium rod is solidly connected one with support titanium plate centre bore by marking 3 lock screw stickfast, and anti-dropping nail supports titanium plate two ends
Nail is fixed together by the way that lock screw and femoral shaft are strong.
Fig. 2 is coated hollow core titanium rod structural representation of the invention
Embodiment
4 rod bodies, 5 rod tails, recess built in 6 are marked in figure.
It can be seen that 4 rods of mark are as flat-nosed cylinder shape, rod diameter 11mm, whole rod length is 50-120mm, with every
5mm is gradually incremented by rod length, and 5 rod tails of mark are coarse-pitch thread, screw thread core diameter 11mm, major diameter of thread 11.5mm, flight pitch
1mm, length is 10-20mm, and rod tail length degree is gradually incremented by with every 2mm, and the corresponding rod tail coarse-pitch thread length of whole rod length is (50-
60)×10mm、(65-70)×12mm、(75-80)×14mm、(85-90)×16mm、(95-100)×18mm、(105-120)
× 20mm, 6 tail ends of mark have built-in recess.
Fig. 3 is rod body structure profile of the invention
Embodiment
7 rod stature material are marked in figure for domestic titanium, 8 central hollow structures.
It can be seen that 7 rod body texture materials of mark are domestic titanium, mark 8 has central hollow structure design, in
Empty footpath is 1.5mm.
Fig. 4 is rod stern construction profile of the invention
Embodiment
9 rod tail cross recesses, 10 cross recess centre-lock circular holes are marked in figure.
It can be seen that 9 rod caudal ends of mark are cross recess, cross notch width 1mm, cross notch depth 1.5mm,
Marking 10 cross recess centers and having has screw thread in 4.5mm diameter circular apertures, circular hole, depth of thread 10mm.
Fig. 5 supports titanium plate plan for the anti-dropping nail of the present invention
Embodiment
Support titanium plate, the 12 titanium plates locking nail of 11 anticreep spike devices are marked in figure.
It can be seen that mark 11 supports titanium plate quality to be domestic titanium, support titanium plate is rectangle tabular, and length is
60mm, width is 14mm, and thickness is 2.5mm, 12 lock screw nail of mark, hole disposed thread,
Fig. 6 supports titanium plate lock hole section of structure for the anti-dropping nail of the present invention
Embodiment
Mark 13 supports titanium plate locking nail in figure.
It can be seen that mark 13 titanium plates locking nail is in hemisphere face inverted trapezoidal, nail back cut diameter 5.2mm, under nail
Mouth diameter 4.6mm, nail depth 2.5mm.
The moral of the coated hollow core titanium rod trust money rabbit hundred (north of the supporting femoral head for preventing collapse with anticreep spike devices of the present invention
Capital) commerce and trade Science and Technology Ltd. makes, be in design the stress that is undertaken for supporting femoral head necrotic area subchondral plate and
Coated hollow core titanium rod with anticreep spike devices.
The coated hollow core titanium rod application method of supporting femoral head for preventing collapse of the product of the present invention with anticreep spike devices：
X-ray film and CT pieces is first depending on to be selected with anticreep spike devices according to the age of patient, height, neck of femur length
The corresponding different model of supporting femoral head for preventing collapse coated hollow core titanium rod.
First step：Under C-arm X-ray examination in 2cm under greater trochanter be midpoint longitudinal incision skin 5cm, separate fascia late
And musculus vastus lateralis, appear on the outside of femoral shaft and select entry point at 2cm under greater trochanter, 1 piece of 2mm guide pin is pierced into femoral head capsule
Venereal disease region center, removes bone to cystis degeneration area with 6,8,10mm core drills successively.Struck off under guide of fluoroscopy through this osseous tunnel
Knurl sample tissue or sclerotic bone or necrotic bone in femoral head, then select side length properly to carry the hollow titanium rod of anticreep spike devices, thoroughly
It is in then cross with top depending on slowly being squeezed into fastener driving apparatus to nail tail coarse-pitch thread section start through tunnel along medulla vent under guiding
Special T-shaped of tang is screwed into device and is screwed into titanium rod tail end coarse-pitch thread, makes titanium rod top to femoral head focal zone i.e. Femoral cardlage
Under, titanium rod tail end is immediately lower than femoral shaft cortex bone just into i.e. titanium rod tail end under femoral shaft cortex bone.
Second step：The anti-dropping nail support titanium plate longitudinal axis is placed along the femoral shaft longitudinal axis, support titanium plate interstitial hole and titanium rod tail
The screw nail hole alignment at cross recess center is held, anti-dropping nail is supported by titanium plate and support femur by 4.5mm diameters lock screw
The coated hollow core titanium rod that head is collapsed, which loosely links together not lock, not to be tightened, and anti-dropping nail support titanium plate is attached in femoral shaft,
By supporting the lock screw nail pilot sleeve guiding of titanium plate two ends in femur dry hole, dipstick measurement is suitable from length
Lock screw nail be screwed into femoral shaft and tighten and lock, support titanium plate is locked with femoral shaft and is fixed together, then tightens lock
Determine the lock screw nail of interstitial hole, lock the coated hollow core titanium rod of support titanium plate and supporting femoral head for preventing collapse and be fixed together.
Finally sew up the incision.
Clinical test process：
This group 26 (30 hip), man 21, female 5；It is 20~58 years old age, average 42 years old.Femur skull cystis degeneration is caused a disease
Reason is through definitive pathological diagnosis：NFH II phases (ARCO is by stages) 18 (20 hip), the wherein hip of II a phases 7, the hip of II b phases 8, II c phases 5
Hip, FD 4, simple bone cyst 4.Femur skull site of pathological change：Left 8, hip, right 14, hip, double 4, hips.
The course of disease 8~22 months, it is average 14 months.Case discharges standard：Femoral head has been collapsed, skeleton development prematurity, III-VI
Phase NFH, the patient using immunosuppressive drug, the past or presence infection now.All cases are implemented attached through Hebei North University
Belong to First Hospital Ethics Committee to authorize, and inform patient and family members' signature informed consent form.
Post surgery treatment：
The upper hip of patient's postoperative row bed, knee joint CPM take exercise, and single hip is postoperative need to help crutches, suffering limb not weight-bearing activities, postoperative 3
Help within individual month and singly turn gradually walking with load；Double hip 3 months after operation can just help crutches gradually walking with load, and helping turn needs 6 months.
Clinical test results：
Commented by postoperative 1,3,6,12,18,24,36 months regular follow-ups and use world hip joint evaluation criterion Harris
With x-ray observation studies have shown that over time, postoperative each time point Follow-up results are stable, in 36 months without unstable and
Failure case is present, the abjection of coated hollow core titanium rod non-loosening, and support titanium plate and lock screw nail occur without the disconnected plate phenomenon of broken nail, coefficient of stabilization
Longitudinal comparison no significant difference, illustrates the supporting femoral head for preventing collapse with anticreep spike devices in postoperative 36 months
The effect of coated hollow core titanium rod is affirmed and has feasibility in clinical practice, also illustrates postoperative 36 months coated hollow core titanium rod supporting femoral heads
Prevent the feasibility collapsed is acted on from still stablizing lasting.Conclusion：The sky of supporting femoral head for preventing collapse with anticreep spike devices
The design of core titanium rod has feasibility, and to cystic lesion caused by the various diseases of femoral head, row titanium rod is supported while treatment, is prevented
Only Clinical practicability is strong in terms of the abjection of titanium rod and effect is affirmed.
Claims (6)
1. a kind of be clinically used for treating the supporting femoral head collapse coated hollow core titanium rod that femoral head cystic lesion carries anticreep spike devices,
It is characterized in that titanium rod and support titanium plate material are domestic titanium, coated hollow core titanium rod is cylindric, anticreep spike devices support titanium plate
For rectangle lockplate, coated hollow core titanium rod tail end is solidly connected one by lock screw stickfast with support titanium plate central screw hole, propped up
The hole at support titanium plate two ends by the lock screw nail of suitable length with femoral shaft is strong is fixed together.(1、2、3).
2. the supporting femoral head for preventing collapse coated hollow core titanium rod according to claim 1 with anticreep spike devices, its feature exists
In rod as flat-nosed cylinder shape, hollow-core construction is designed, rod diameter 11mm, and hollow footpath is 1.5mm, and whole rod length is 50-120mm,
Rod length is gradually incremented by with every 5mm.(4、8).
3. the supporting femoral head for preventing collapse coated hollow core titanium rod according to claim 1 with anticreep spike devices, its feature exists
It is coarse-pitch thread in titanium rod tail, screw thread core diameter 11mm, major diameter of thread 11.5mm, flight pitch 1mm are gradually incremented by rod with every 2mm
Tail length degree, length is 10-20mm, and rod tail length degree is gradually incremented by with every 2mm.(5).
4. the coated hollow core titanium rod of the supporting femoral head collapse according to claim 1 with anticreep spike devices, its feature exists
In titanium rod tail end be cross recess, cross notch width 1mm, cross notch depth 1.5mm.(6、9).
5. the supporting femoral head collapse coated hollow core titanium rod according to claim 1 with anticreep spike devices, it is characterised in that
Titanium rod caudal end cross recess center, which has, screw thread in 4.5mm diameter circular apertures, circular hole, depth of thread 10mm.(10).
6. the supporting femoral head collapse coated hollow core titanium rod according to claim 1 with anticreep spike devices, it is characterised in that
Support titanium plate is 3 hole lockplates, and hole disposed thread, nail is in hemisphere face inverted trapezoidal, nail back cut diameter 5.2mm, mouth under nail
Diameter 4.6mm, nail depth 2.5mm.(13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299820.9A CN107007379A (en) | 2017-05-02 | 2017-05-02 | Supporting femoral head for preventing collapse coated hollow core titanium rod with anticreep spike devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299820.9A CN107007379A (en) | 2017-05-02 | 2017-05-02 | Supporting femoral head for preventing collapse coated hollow core titanium rod with anticreep spike devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107007379A true CN107007379A (en) | 2017-08-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710299820.9A Pending CN107007379A (en) | 2017-05-02 | 2017-05-02 | Supporting femoral head for preventing collapse coated hollow core titanium rod with anticreep spike devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN107007379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107773297A (en) * | 2017-10-18 | 2018-03-09 | 宝鸡市金海源钛标准件制品有限公司 | The hollow titanium rod of supporting femoral head for preventing collapse with fixing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030065399A1 (en) * | 2001-10-02 | 2003-04-03 | Brannon James Kevin | Biaxial core compression |
| CN101721241A (en) * | 2009-10-30 | 2010-06-09 | 杨新明 | Hollow titanium rod for supporting collapse of femoral head |
| US20100174285A1 (en) * | 2006-10-04 | 2010-07-08 | Robert Probe | Fixation Of Femoral Neck Fractures |
| EP2815709A1 (en) * | 2013-06-17 | 2014-12-24 | GC Corporation | Fracture treatment device |
| CN204364501U (en) * | 2014-12-02 | 2015-06-03 | 中国人民解放军第四军医大学 | A kind of porous titanium alloy femoral head support stick with Bionics Bone trabecularism |
| CN104814814A (en) * | 2015-03-17 | 2015-08-05 | 苏州瑞华医院有限公司 | Supporting device for treatment of femoral head necrosis |
| CN105411660A (en) * | 2014-09-17 | 2016-03-23 | 镱钛科技股份有限公司 | Rear stop structure of dynamic hip screw |
| CN205866799U (en) * | 2016-05-25 | 2017-01-11 | 柳椰 | Autologous bone section remain and fixing system during femur head necrosis suppressed and plants skull operation |
-
2017
- 2017-05-02 CN CN201710299820.9A patent/CN107007379A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030065399A1 (en) * | 2001-10-02 | 2003-04-03 | Brannon James Kevin | Biaxial core compression |
| US20100174285A1 (en) * | 2006-10-04 | 2010-07-08 | Robert Probe | Fixation Of Femoral Neck Fractures |
| CN101721241A (en) * | 2009-10-30 | 2010-06-09 | 杨新明 | Hollow titanium rod for supporting collapse of femoral head |
| EP2815709A1 (en) * | 2013-06-17 | 2014-12-24 | GC Corporation | Fracture treatment device |
| CN105411660A (en) * | 2014-09-17 | 2016-03-23 | 镱钛科技股份有限公司 | Rear stop structure of dynamic hip screw |
| CN204364501U (en) * | 2014-12-02 | 2015-06-03 | 中国人民解放军第四军医大学 | A kind of porous titanium alloy femoral head support stick with Bionics Bone trabecularism |
| CN104814814A (en) * | 2015-03-17 | 2015-08-05 | 苏州瑞华医院有限公司 | Supporting device for treatment of femoral head necrosis |
| CN205866799U (en) * | 2016-05-25 | 2017-01-11 | 柳椰 | Autologous bone section remain and fixing system during femur head necrosis suppressed and plants skull operation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107773297A (en) * | 2017-10-18 | 2018-03-09 | 宝鸡市金海源钛标准件制品有限公司 | The hollow titanium rod of supporting femoral head for preventing collapse with fixing device |
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