CN105581836B - Bone screw facilitating cable penetration - Google Patents
Bone screw facilitating cable penetration Download PDFInfo
- Publication number
- CN105581836B CN105581836B CN201510494568.8A CN201510494568A CN105581836B CN 105581836 B CN105581836 B CN 105581836B CN 201510494568 A CN201510494568 A CN 201510494568A CN 105581836 B CN105581836 B CN 105581836B
- Authority
- CN
- China
- Prior art keywords
- bone
- cable
- bone screws
- screw head
- head portion
- 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.)
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Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 153
- 230000035515 penetration Effects 0.000 title 1
- 239000000463 material Substances 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910000883 Ti6Al4V Inorganic materials 0.000 claims 2
- 238000002513 implantation Methods 0.000 claims 1
- 206010017076 Fracture Diseases 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 8
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000002758 humerus Anatomy 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 210000002320 radius Anatomy 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 210000002303 tibia Anatomy 0.000 description 2
- 210000000623 ulna Anatomy 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 206010060872 Transplant failure Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 208000030961 allergic reaction Diseases 0.000 description 1
- 210000000784 arm bone Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000000007 visual effect 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The bone screw facilitating the cable threading provided by the embodiment comprises three parts, namely a screw head part, a thread part and a cone part, wherein the screw head part is provided with a plurality of through holes, the thread part is connected to the lower end of the screw head part, and the surface of the thread part is provided with a first thread. The cone part is connected with the lower end of the threaded part and is provided with a tip. In addition, at least one cutting groove is formed on the surface of the tapered portion, and the cutting groove extends to the first thread of the threaded portion.
Description
Technical field
The present invention refers in particular to a kind of bone screws worn conducive to cable about a kind of bone screws.
Background technology
Adult's bone shares 206 pieces, is divided into four skull, bone of body, arm bone, lower limb stock parts.They are distributed in
The bone at each position of whole body, human body has the function of support body, can also protect internal；And why body can be made respectively
The posture of formula various kinds and action are substantially then to rely on the mutual cooperation of bone, muscle and various joints to complete.
All bone of human body, has nothing in common with each other from shape, size, and what is had is larger, such as shin bone, humerus, and has
It is smaller, such as phalanx.It can be divided into five kinds from having in shape for bone：Long bone, short bone, flat bone, irregular bone and gassiness
Bone.
When the bone being above set forth in human body suffers fractures, therapy can utilize open reduction and internal fixation of fracture, side
Formula is the skin and the soft tissues such as muscle to cut fracture site, and bone is made to be exposed, in favor of carry out reduction fracture with
The operation of dislocation.It is locked in patient's body when open reduction, while by internal fixation device, to complete the fixation of fracture end.Separately
Outside, according to the fracture of different parts, corresponding methods of internal fixation also can be used, and select corresponding internal fixation device on demand
Material, such as bone plate, thick steel needle, intramedullary needle (nail), screw, cable, Stainless Steel silk.
For in above-mentioned internal fixation apparatus, the appearance kenel of screw is in cylinder type more and surface have concaveconvex structure it
Thread groove, and screw can be then locked in using this helicitic texture on bone plate and bone.
But sometimes due to the screw being fixed on bone plate loosens, it will usually so that bone plate is loosened, cause fracture site
Indolence, even bone plate graft failure, therefore in order to avoid having above-mentioned situation, part prior art can be in bone plate
On wear several perforation, and after bone plate is installed on fracture site, several Stainless Steel silks is recycled to wear the perforation of bone plate (as schemed
Shown in 1), bone plate and bone are then carried out by reinforcement fixation with Stainless Steel silk, however, this fixed mode of reinforcement is removed to increase and be answered
Power can also pressurize to periosteum to improve on bone plate except the stress of unit area and cause the blood transportation of fracture site bad, separately
Outside, several perforate is worn on bone plate can also destroy the intensity of bone plate script.Therefore there is an urgent need for further develop to be suitable for adding
The fixed technology of strong bone plate, so that impaired fracture site is obtained has good recovery in postoperative.
Invention content
It is above-mentioned to solve the problems, such as, cable is arranged on bone plate different from the prior art, it is an object of the invention to carry
For a kind of bone screws worn conducive to cable, advantage is：It is not required to bore the perforation for wearing cable on bone plate, to reduce system
Make processing charges when bone plate, while also reducing bone plate and being stressed influence and destroyed, and cable then changes and is arranged in murices
It nails on.In addition, also visual patients with fractures position the case where decide whether the present invention bone screws on wear cable to assist to keep away
Exempt to be fixed on the bone plate displacement on bone.If depending on thinking that the bone screws of the present invention need not be again the case where patients with fractures position
Cable is specially worn to reinforce the fixation between bone plate and bone, bone screws of the invention also can be according to the fixation side of general bone screws
Formula is locked on bone plate.
In the first viewpoint of the present invention, the bone screws that cable is worn that are conducive to of the present invention include three positions, difference
For screw head portion, threaded portion and tapering, wherein screw head portion has multiple perforation, and threaded portion is connected to the lower end in screw head portion, and spiral shell
The surface in line portion has the first screw thread.Tapering is then connected to the lower end of threaded portion and has a tip, in addition, the surface in tapering
On be still provided with an at least cutting slot, and cutting slot extends to the first screw thread of above-mentioned threaded portion.Wherein, the screw head of this bone screws
Portion, threaded portion and tapering are sequentially integrally formed again and multiple perforation in screw head portion can be used for wearing cable, in favor of fixed by bone
Screw is on bone plate.
In an embodiment, above-mentioned screw head portion has 4 perforation, and the arrangement position of above-mentioned perforation is further a left side
It is right symmetrical.
Preferably, the diameter of each perforation is 2.2mm.
Preferably, further having the second screw thread on the outer surface in above-mentioned screw head portion.
Preferably, above-mentioned tapering is an inverted cone.
In one embodiment, above-mentioned screw head portion inside bottom is equipped with a locking groove, and the shape for the groove that locks can
It is further hexagonal, cross or "-" type.
In the second viewpoint of the present invention, the present invention also provides a kind of murices worn conducive to cable with resistance to oxidation
The surface of nail, i.e., above-mentioned bone screws further has an anti oxidation layer, and production method is the mode first with sandblasting pickling
The superficial layer of bone screws is removed, the above-mentioned bone screws of sectional repair generated hole after sandblasting pickling is then carried out with laser,
Then the surface of above-mentioned bone screws is ground to reduce the roughness on above-mentioned screw surface, then its surface is polished, finally will
Surface is modified, and the surface of bone screws is made to have a wear-resisting anti oxidation layer.In an embodiment, above-mentioned bone screws material
Can be the material of 4 vanadium (Ti6Al4V) of titanium or 6 aluminium of titanium again.In another embodiment, above-mentioned bone screws material can be again
Steel.
In one embodiment, the bone screws of the present invention can be applied to fix different fracture site (such as humerus, ulna and radius, shins
Bone, femur etc.) bone plate.In an embodiment, screw head portion and the tapering size of bone screws can remain unchanged, but threaded portion can
Its suitable length is formulated according to the size of different bones.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other drawings may also be obtained based on these drawings.
Fig. 1 is that can be used for the bone plate that cable is worn in the prior art.
Fig. 2 is the bone screws structural schematic diagram for being conducive to cable and wearing shown according to an embodiment.
Fig. 3 is the bone screws structural schematic diagram for being conducive to cable and wearing shown according to another embodiment.
Fig. 4 is the bone screws structural schematic diagram worn with cable.
Fig. 5 is the bone screws spiral shell head construction shown according to an embodiment.
Fig. 6 is conducive to the groove schematic diagram that locks in the bone screws that cable is worn for the first embodiment of the invention.
Fig. 7 is conducive to the groove schematic diagram that locks in the bone screws that cable is worn for second of embodiment of the present invention.
Fig. 8 is conducive to the groove schematic diagram that locks in the bone screws that cable is worn for the third embodiment of the invention.
Fig. 9 is that the bone screws of the present invention being fixed on bone plate are shown according to an embodiment.
Figure 10 is that the bone screws that cable has been worn on bone plate are shown according to another embodiment.
Reference sign：
200 bone screws, 206 tapering
202 screw head portion, 208 first screw thread
204 threaded portion, 210 cutting slot
212 tips 502 locking groove
216 702 bone plates of perforation
314 second screw thread, 704 bone
402 cables
Specific implementation mode
Illustrate embodiments of the present invention below by way of particular specific embodiment, the personage for being familiar with this technology can pass through this
The revealed content of specification understands effect and its advantage of the present invention easily.And the present invention also can be specific real by other
It applies example to be used and implemented, every details that this specification is illustrated can also be applied based on different demands, and not departed from
The spirit of the present invention is lower to carry out a variety of different modifications or change.
The present invention will be described with preferred embodiment and viewpoint, and the structure of the present invention is explained by such narration system, only to
Illustrate rather than to limit the claim of the present invention.Therefore, in addition to the preferred embodiment in specification, the present invention is also
It can be rendered in other embodiment extensively.
The present invention is a kind of bone screws 200 worn conducive to cable, and with reference to shown in Fig. 2, above-mentioned bone screws include spiral shell again
Head 202, threaded portion 204 and tapering 206, wherein screw head portion have multiple perforation 216, and threaded portion 204 is connected to screw head portion
202 lower ends, and the surface of threaded portion 204 has the first screw thread 208.Tapering 206 is then connected to the lower end of threaded portion 204 and has
One tip 212, in addition, at least one cutting slot 210 is still provided on the surface in tapering 206, and cutting slot 210 extends to
State the first screw thread 208 of threaded portion 204.Screw head portion 202, threaded portion 204 and the tapering 206 of the bone screws of the present invention are sequentially integrated
It is molded and multiple perforation 216 in screw head portion 202 can be used for wearing cable, in favor of bone screws reinforcement to be fixed on bone plate.
In one embodiment, Fig. 3 systems are the bone screws structural schematic diagram for being conducive to cable and wearing shown according to another embodiment, wherein screw head
The outer surface in portion 202 further has the second screw thread 314.
In some embodiments, the diameter in screw head portion is more than the diameter of threaded portion and tapering, and due in the outer of screw head portion
Side surface has the second screw thread 314, therefore bone screws are arranged in a bone plate using above-mentioned structure and are fixed on inside bone,
And the diameter for being locked on above-mentioned bone plate with the second threads, and penetrating screw head portion is more than the diameter of threaded portion so that ensure can
Identification bone screws have attached to inside bone.In an embodiment, the screw head portion of bone screws can remain unchanged with the length in tapering,
But threaded portion can formulate its suitable length according to the size of different bones.
In another embodiment, Fig. 4 systems are that an embodiment shows the screw head portion that bone screws of the present invention are worn with cable 402
202.The bone screws of the present invention also can wear murices except can be used directly in embedded osteone perforation and inside bone with cable 402
The screw head portion 202 of nail further reinforces fixing to bone plate with bone screws.In one embodiment, to make the multiple of screw head portion 202
Perforation 216 obtains for wearing cable 402, and wherein diameter of each perforation is 2.2mm.
In one embodiment, the structure in bone screws screw head as shown in Figure 5 portion, the screw head portion of bone screws have 4 and wear
The arrangement position of hole and perforation is symmetrical and opposite for use in wearing cable two-by-two.In another embodiment, each
The diameter of perforation is 2.2mm.In an embodiment, above-mentioned spiral shell inner portion is a hollow structure, and in screw head portion
Side bottom is equipped with a locking groove 502.
Also referring to Fig. 6, Fig. 7 and Fig. 8, for the first wearing conducive to cable to the third embodiment of the present invention
Bone screws 502 schematic diagram of locking groove；As shown, the present invention bone screws top be screw head portion, screw head portion it is interior
Side bottom is equipped with a locking groove, makes bone screws that must conveniently be locked on bone plate and bone, and above-mentioned locking groove is one or six sides
Type structure (such as Fig. 6), but the groove that locks is not limited to hexagonal, also can be cross (such as Fig. 7), "-" type (Fig. 8) or each
Formula polygonized structure enables the corresponding tool insertion locking groove of operating personnel and bone screws is locked in bone and bone plate
On.
In one embodiment, above-mentioned bone screws material can be the material of 4 vanadium (Ti6Al4V) of titanium or 6 aluminium of titanium again.In
In another embodiment, above-mentioned bone screws material can be steel again.
As shown in Fig. 2, the bottom of the bone screws of the present invention is a tapering, wherein above-mentioned tapering is an inverted cone,
And tapering has a tip, can be used to drill through the hard bone of bone surface；In addition, being still provided at least one on the surface in tapering
A cutting slot cutting slot can be used to reinforce the intensity of cutting and is fixed on the bone screws of the embodiment of the present invention firmly using cutting slot
On matter bone.
As shown in figure 9, it shows the bone screws 200 for the present invention being fixed on bone plate 702 according to an embodiment.Work as operation
After bone screws are arranged in the perforation of bone plate by personnel, are reversed, made with the locking groove in corresponding tool insertion screw head portion
The tapering of bone screws drills through the hard bone parts of bone 704 at least one cutting slot, and threaded portion 204 is allowed to submerge bone mostly
Inside 704, and second screw thread 314 in screw head portion is screwed togather and is locked on above-mentioned bone plate 702, to complete bone plate 702 in bone 704
Upper fixation.
In one embodiment, when operator determines to reinforce being fixed on bone again depending on the fracture site severity of patient
On bone plate when, then can according to as shown in Figure 10 one of embodiment, by cable loop around bone and bone plate, and pass through bone screws 200
Screw head portion 202 perforation after, then cable 402 is fixed.In an embodiment, above-mentioned fixed form, which is removed, can reinforce this
Bone screws 200 in inventive embodiments are fixed on the stability on bone plate 702, can also make bone plate 702 be locked in bone 704 it
On.In one embodiment, bone screws 200 of the invention can be applied to fixed different fracture sites (such as humerus, ulna and radius, shin bone,
Femur etc.) bone plate 702 and can again be worn with cable 402 bone screws 200 screw head portion 202 remake reinforcement fix.
In an embodiment of the present invention, it is not required to be drilled with the perforation for wearing cable on bone plate, advantage is in addition to that can subtract
Make processing charges when bone plate less, at the same be also avoided that bone plate because the remitted its fury of itself and due to be stressed influence by broken
It is bad.In one embodiment, above-mentioned cable material can be the material of 4 vanadium (Ti6Al4V) of titanium or 6 aluminium of titanium again.In another reality
It applies in example, above-mentioned cable material can be steel again.In one embodiment, due to the material of bone screws and cable be titanium or
The material of 6 aluminium of titanium, 4 vanadium (Ti6Al4V), therefore after being implanted into human body, the allergic reaction in body would not be caused to generate.
System described above is the preferred embodiments of the invention.The deserved those skilled in the art in this field to understand it is to illustrate this
It invents rather than to limit the patent right range that the present invention advocates.Its scope of patent protection when depending on after attached apply for a patent model
Depending on enclosing and its waiting same domains.All those skilled in the art for being familiar with this field are not departing from this patent spirit or scope, the change made
Or retouching, the lower equivalent change or design completed of disclosed spirit is belonged to, and it is special to be included in following applications
Sharp range.
Claims (9)
1. a kind of bone screws worn conducive to cable, it is characterised in that：Including,
There are multiple perforation, outer surface there is one second screw thread, second screw thread to be located under the perforation in one screw head portion
Side；
One threaded portion is connected to the lower end in the screw head portion, has one first screw thread in the surface of the threaded portion；And
One tapering, is connected to the lower end of the threaded portion, and the lower end in the tapering has a tip, and in the tapering surface be arranged to
Lack a cutting slot and extends to first screw thread；
Wherein, the screw head portion, the threaded portion and the tapering are sequentially integrally formed, and multiple perforation can be used for wearing an at least cable
Line, in favor of with an at least cable fix the bone screws on bone plate and fix the bone screws in one implantation bone a surface
On.
2. the bone screws worn as described in claim 1 conducive to cable, it is characterised in that：The screw head portion has 4 perforation.
3. the bone screws worn as claimed in claim 2 conducive to cable, it is characterised in that：The punch position in the screw head portion is a left side
It is right symmetrical.
4. the bone screws for being conducive to cable and wearing as described in claims 1 or 2 or 3, it is characterised in that：It perforates straight in the screw head portion
Diameter is 2.2mm.
5. the bone screws worn as described in claim 1 conducive to cable, it is characterised in that：The diameter in the screw head portion is more than the spiral shell
The diameter in line portion and the tapering.
6. the bone screws worn as described in claim 1 conducive to cable, it is characterised in that：The inside bottom in the screw head portion is equipped with
One locking groove.
7. the bone screws worn as claimed in claim 6 conducive to cable, it is characterised in that：The locking groove be it is hexagonal, ten
Font or "-" type.
8. the bone screws worn as described in claim 1 conducive to cable, it is characterised in that：The tapering is an inverted cone.
9. the bone screws worn as described in claim 1 conducive to cable, it is characterised in that：The material of the bone screws can be steel,
Titanium or Ti6Al4V.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103138600 | 2014-11-06 | ||
| TW103138600A TW201617039A (en) | 2014-11-06 | 2014-11-06 | A bone screw for cable penetration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105581836A CN105581836A (en) | 2016-05-18 |
| CN105581836B true CN105581836B (en) | 2018-10-12 |
Family
ID=55922010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510494568.8A Active CN105581836B (en) | 2014-11-06 | 2015-08-13 | Bone screw facilitating cable penetration |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105581836B (en) |
| TW (1) | TW201617039A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI775172B (en) * | 2020-10-05 | 2022-08-21 | 黃信華 | bone screw |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331572A (en) * | 1998-12-19 | 2002-01-16 | 迪特马尔·沃尔特 | Bone fixation system |
| EP1568329A1 (en) * | 2004-02-24 | 2005-08-31 | Biedermann Motech GmbH | Bone-anchoring element |
| CN2840943Y (en) * | 2005-09-22 | 2006-11-29 | 全微精密股份有限公司 | Improved structure self-driving type bone screw |
| CN201481541U (en) * | 2009-08-21 | 2010-05-26 | 武汉德骼拜尔外科植入物有限公司 | Self-drilling locking type screw |
| CN102292043A (en) * | 2008-12-05 | 2011-12-21 | 斯恩蒂斯有限公司 | Anchor-in-anchor system for use in bone fixation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8273086B2 (en) * | 2005-03-24 | 2012-09-25 | Depuy Spine, Inc. | Low profile spinal tethering devices |
-
2014
- 2014-11-06 TW TW103138600A patent/TW201617039A/en unknown
-
2015
- 2015-08-13 CN CN201510494568.8A patent/CN105581836B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331572A (en) * | 1998-12-19 | 2002-01-16 | 迪特马尔·沃尔特 | Bone fixation system |
| EP1568329A1 (en) * | 2004-02-24 | 2005-08-31 | Biedermann Motech GmbH | Bone-anchoring element |
| CN2840943Y (en) * | 2005-09-22 | 2006-11-29 | 全微精密股份有限公司 | Improved structure self-driving type bone screw |
| CN102292043A (en) * | 2008-12-05 | 2011-12-21 | 斯恩蒂斯有限公司 | Anchor-in-anchor system for use in bone fixation |
| CN201481541U (en) * | 2009-08-21 | 2010-05-26 | 武汉德骼拜尔外科植入物有限公司 | Self-drilling locking type screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105581836A (en) | 2016-05-18 |
| TW201617039A (en) | 2016-05-16 |
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