CN108771561A - A kind of anti-rotation type intramedullary nail - Google Patents
A kind of anti-rotation type intramedullary nail Download PDFInfo
- Publication number
- CN108771561A CN108771561A CN201810750495.8A CN201810750495A CN108771561A CN 108771561 A CN108771561 A CN 108771561A CN 201810750495 A CN201810750495 A CN 201810750495A CN 108771561 A CN108771561 A CN 108771561A
- Authority
- CN
- China
- Prior art keywords
- interconnecting piece
- interlocking
- hole
- central axis
- main body
- 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
Abstract
The invention discloses a kind of anti-rotation type intramedullary nails, including interconnecting piece and main body；The interconnecting piece is integral type with main body, and connecting portion is in one end of main body；The one end of the main body far from interconnecting piece is equipped with remote stomidium group；The remote stomidium group of the main body includes the anti-trepanning of interlocking and location hole；There are two the anti-trepanning of interlocking is set；The central axis of described two anti-trepanning of interlocking and the central axis of location hole intersect with the central axis of main body；Described two anti-trepanning of interlocking are arranged in a crossed manner in the projection of side view.Structure of the invention is ingenious, is suitable for skeletal reconstruction, and two anti-trepanning of interlocking are arranged in a crossed manner in the projection of side view, and anti-rotation property is excellent, and whole rotation can be preferably limited by screw and the anti-trepanning cooperation of interlocking.
Description
Technical field
The present invention relates to a kind of anti-rotation type intramedullary nails.
Background technology
The medical method of processing long bone fracture usually has external stability healing and the internal fixed two ways that heals, inside solid
Fixed healing is that an intramedullary nail, then the drivescrew outside bone are implanted into ossis, to fix the bone and marrow of fracture
Interior nail presses the broken-out section of bone, makes bore regenerating and shortens healing time.Currently, existing intramedullary nail torsional strength is not
It is good, existing intra medullary nail far-end is linear type, and position is to the rear, stress concentration is generated, clinically with the presence of feedback intramedullary nail
The case where displacement or rotation, such situation can influence bore regenerating position, and skeleton deformity is caused to heal.Therefore, it is necessary to design
A kind of anti-rotation type intramedullary nail.
Invention content
The object of the present invention is to provide a kind of anti-rotation type intramedullary nails.
Realizing the technical solution of the object of the invention is：A kind of anti-rotation type intramedullary nail, including interconnecting piece and main body；The connection
Portion is integral type with main body, and connecting portion is in one end of main body；The one end of the main body far from interconnecting piece is equipped with distal end
Hole group；The remote stomidium group of the main body includes the anti-trepanning of interlocking and location hole；There are two the anti-trepanning of interlocking is set；It is described two
The central axis of the anti-trepanning of interlocking and the central axis of location hole intersect with the central axis of main body；Described two anti-rotations of interlocking
Hole is arranged in a crossed manner in the projection of side view.
The location hole of the remote stomidium group of the main body is set between two anti-trepanning of interlocking, and the central axis of location hole
With the horizontal plane residing for main center axis.
The location hole of the remote stomidium group of the main body is waist-shaped hole.
One end of the interconnecting piece is equipped with the card slot engaged with collimation support；The middle part of the card slot of the interconnecting piece is equipped with spiral shell
Line groove.
The boring of the interconnecting piece and main body；The upward bending of interconnecting piece；The main body is to curving.
Preferred technical solution is that the interconnecting piece is equipped with the first interlocking hole and the second interlocking hole；First interlocking
The central axis in hole and the second interlocking hole intersects with the central axis of interconnecting piece, and the central axis in the second interlocking hole and
The central axis in one interlocking hole is arranged in a crossed manner in the projection of side view；The central axis in first interlocking hole and interconnecting piece
It is A in conplane angle1, A1It is 40 °~65 °.
The central axis in the second interlocking hole of the interconnecting piece and the central axis of interconnecting piece are on same vertical plane,
And the angle of the central axis of the second interlocking hole and interconnecting piece is A2, A2It is 80 °~90.
Second interlocking hole of the interconnecting piece is waist-shaped hole.
Second interlocking hole of the interconnecting piece is with angle of the central axis in the first interlocking hole in the projection of side view
A3, A3It is 40 °~50 °.
Another preferred technical solution is to set that there are two reconstruction holes arranged side by side on the interconnecting piece；It is described two
The central axis for rebuilding hole is in the central axis of interconnecting piece on same vertical plane, and the center in two reconstruction holes
The angle of the central axis of axis and interconnecting piece is 50 °~60 °.
Above-mentioned technical proposal is used, the present invention has advantageous effect below：(1) structure of the invention is ingenious, is suitable for
Skeletal reconstruction, two anti-trepanning of interlocking are arranged in a crossed manner in the projection of side view, and anti-rotation property is excellent, anti-by screw and interlocking
Trepanning cooperation can preferably limit whole rotation.
(2) location hole of the remote stomidium group of main body of the invention is set between two anti-trepanning of interlocking, and location hole
Central axis and the horizontal plane residing for main center's axis can carry out positioning and the bone dynamic of end in operation
It rebuilds.
(3) location hole of the remote stomidium group of main body of the invention is waist-shaped hole, is more convenient for positioning.
(4) one end of interconnecting piece of the invention is equipped with the card slot engaged with collimation support, is set in the middle part of the card slot of interconnecting piece
There is thread groove, convenient for whole installation.
(5) boring of interconnecting piece and main body of the invention convenient for soft the drilling through of core brill, and carries out determining for distal end
Position, the upward bending of interconnecting piece are more bonded pulp cavity, reduce the stress concentration of bone greater trochanter apex, and the main body is to a lateral bending
Song, more conducively whole insertion ensure that main body is located at pulp cavity center, reduce stress concentration, avoid resetting and lose.
(6) setting in the first interlocking hole and the second interlocking hole on interconnecting piece of the invention has latch functions, limitation whole
Body rotate in a circumferential direction and radial displacement, the central axis of the first interlocking hole and interconnecting piece conplane angle be 40 °~
65 °, better locking limit effect.
(7) central axis with the central axis of interconnecting piece in the second interlocking hole of interconnecting piece of the invention are in same vertical
In plane, and the angle of the central axis of the second interlocking hole and interconnecting piece is A2, A2It is 85 °, better locking limit effect,
Prevent whole generate from deviating.
(8) the second interlocking hole of the invention is waist-shaped hole, also has the function of the positioning of end.
(9) the second interlocking hole of interconnecting piece of the invention and the central axis in the first interlocking hole are in the projection of side view
Angle is A3, A3It is 45 °, increases the effective length that screw is held, anti-swirl effect is more preferably.
(10) the reconstruction hole group of interconnecting piece of the invention includes two reconstruction holes arranged side by side, the center in two reconstruction holes
Axis is in the central axis of interconnecting piece on same vertical plane, and the central axis and interconnecting piece in two reconstruction holes
The angle of central axis be 50 °~60 °, the bone by that can fix fracture or bone split with screw fit is rebuild.
Description of the drawings
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, wherein
Fig. 1 is the stereogram of the embodiment of the present invention 1.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the front view of the embodiment of the present invention 1.
Fig. 4 is the stereogram of the embodiment of the present invention 2.
Fig. 5 is the B-B sectional views of Fig. 4.
Fig. 6 is the side view of the present invention.
In attached drawing marked as：
Interconnecting piece 1, the second interlocking hole 1-2, rebuilds hole 1-3 at first interlocking hole 1-1；
The anti-trepanning 2-1 of main body 2, interlocking, location hole 2-2.
Specific implementation mode
(embodiment 1)
See Fig. 1 to Fig. 3, the anti-rotation type intramedullary nail of the present embodiment, including interconnecting piece 1 and main body 2.
Interconnecting piece 1 is integral type with main body 2, and interconnecting piece 1 is located at one end of main body 2.Main body 2 is far from interconnecting piece 1
One end is equipped with remote stomidium group.The remote stomidium group of main body 2 includes interlocking anti-trepanning 2-1 and location hole 2-2.The anti-trepanning 2-1 of interlocking
There are two if.The central axis of the central axis of the anti-trepanning 2-1 of two interlockings and the central axis of location hole 2-2 with main body 2
Intersection.See Fig. 6, the anti-trepanning 2-1 of two interlockings is arranged in a crossed manner in the projection of side view.
The location hole 2-2 of the remote stomidium group of main body 2 is set between the anti-trepanning 2-1 of two interlockings, and in location hole 2-2
Mandrel line and the horizontal plane residing for 2 central axis of main body.
Interconnecting piece 1 is equipped with the first interlocking hole 1-1 and the second interlocking hole 1-2.First interlocking hole 1-1 and the second interlocking hole 1-
2 central axis intersects with the central axis of interconnecting piece 1, and the central axis of the second interlocking hole 1-2 and the first interlocking hole
The central axis of 1-1 is arranged in a crossed manner in the projection of side view.The central axis of first interlocking hole 1-1 and interconnecting piece 1 is same
The angle of one plane is A1, A1It is 40 °~65 °.
The central axis of second interlocking hole 1-2 of interconnecting piece 1 is in same vertical plane with the central axis of interconnecting piece 1
On, and the angle of the second interlocking hole 1-2 and the central axis of interconnecting piece 1 are A2, A2It is 80 °~90, preferably 85 °.
Thread is equipped in the anti-trepanning 2-1 of two interlockings and the first interlocking hole 1-1.
The anti-rotation type intramedullary nail of the present embodiment carries out mechanics reality by electronics sound state experimental machine (INSTRON E10000)
The antitorque torque for testing the anti-rotation type intramedullary nail for obtaining the present embodiment is 24.76Nm.Existing intramedullary nail passes through electronics sound state
It is 19.9Nm that experimental machine (INSTRON E10000), which carries out the antitorque torque that experiment of machanics obtains,.The anti-rotation type marrow of the present embodiment
Interior nail improves 29.7% compared to the anti-torsion torsional strenght of more existing intramedullary nail.
In operation, will be integrally placed in marrow, by multiple screws squeezed into outside bone marrow respectively with main body 2
First interlocking hole 1-1 of the anti-trepanning 2-1 of two interlockings and interconnecting piece 1 is screwed togather, and marrow is squeezed into outside bone simultaneously by multiple screws
It is inserted into the location hole 2-2 of main body 2 and the second interlocking hole 1-2 of interconnecting piece 1, and is screwed togather with bone.
(embodiment 2)
The present embodiment is substantially the same manner as Example 1, the difference is that：
See Fig. 4 and Fig. 5, sets that there are two reconstruction hole 1-3 arranged side by side on interconnecting piece 1.The central shaft of two reconstruction hole 1-3
Line is in the central axis of interconnecting piece 1 on same vertical plane, and the central axis of two reconstruction hole 1-3 and connection
The angle of the central axis in portion 1 is 50 °~60 °, preferably 55 °.
In operation, will be integrally placed in marrow, by multiple screws squeezed into outside bone marrow respectively with main body 2
The anti-trepanning 2-1 of two interlockings is screwed togather, and is squeezed into marrow outside bone by multiple screws and is inserted into location hole 2-2 and the company of main body 2
Two of socket part 1 rebuild in the 1-3 of hole, and are screwed togather with bone.
(embodiment 3)
The present embodiment is substantially the same manner as Example 1, the difference is that：
In order to position whole distal end, the location hole 2-2 of the remote stomidium group of main body 2 is waist-shaped hole.
(embodiment 4)
The present embodiment is substantially the same manner as Example 1, the difference is that：
For the ease of whole installation operation, one end of interconnecting piece 1 is equipped with the card slot engaged with collimation support.Interconnecting piece 1
Card slot middle part be equipped with thread groove.The boring of interconnecting piece 1 and main body 2.1 upward bending of interconnecting piece, bending angle are excellent
It is selected as 5 °.
Main body 2 is to curving.
When entire length is 320mm~340mm, the radius of curvature of main body 2 is 800mm.
When whole length is 360mm~280mm, the radius of curvature of main body 2 is 1000mm.
When whole length is 400mm~420mm, the radius of curvature of main body 2 is 1200mm.
(embodiment 5)
The present embodiment is substantially the same manner as Example 1, the difference is that：
In order to position whole proximal end, the second interlocking hole 1-2 of interconnecting piece 1 is waist-shaped hole.
(embodiment 6)
The present embodiment is substantially the same manner as Example 1, the difference is that：
See Fig. 6, in order to increase the effective length of screw holding, obtains better anti-swirl effect, the second interlocking of interconnecting piece 1
Angle of the central axis of hole 1-2 and the first interlocking hole 1-1 in the projection of side view is A3, A3It it is 40 °~50 °, preferably
45°。
(embodiment 7)
The present embodiment is substantially the same manner as Example 1, the difference is that：
See that Fig. 2, the first interlocking hole 1-1 of interconnecting piece 1 are A in conplane angle with the central axis of interconnecting piece 11, A1
Preferably 45 °.
(embodiment 8)
The present embodiment is substantially the same manner as Example 1, the difference is that：
First interlocking hole 1-1 of the anti-trepanning 2-1 of 2 interlocking of main body and interconnecting piece 1 is tapered hole, and with the anti-trepanning of interlocking
The screw of 2-1 and the first interlocking hole 1-1 cooperations is the big screw of a corpusculum.
(embodiment 9)
The present embodiment is substantially the same manner as Example 2, the difference is that：
The reconstruction hole 1-3 of the anti-trepanning 2-1 of 2 interlocking of main body and interconnecting piece 1 is tapered hole, and with the anti-trepanning 2-1 of interlocking
Screw with the first interlocking hole 1-1 cooperations is the big screw of a corpusculum.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of anti-rotation type intramedullary nail, it is characterised in that：Including interconnecting piece (1) and main body (2)；The interconnecting piece (1) and main body
(2) it is integral type, and interconnecting piece (1) is located at one end of main body (2)；The main body (2) sets on one end far from interconnecting piece (1)
There is remote stomidium group；The remote stomidium group of the main body (2) includes the anti-trepanning of interlocking (2-1) and location hole (2-2)；The anti-rotation of interlocking
There are two hole (2-1) is set；The central axis of described two anti-trepanning of interlocking (2-1) and the central axis of location hole (2-2) with
The central axis of main body (2) intersects；Described two anti-trepanning of interlocking (2-1) are arranged in a crossed manner in the projection of side view.
2. a kind of anti-rotation type intramedullary nail according to claim 1, it is characterised in that：The remote stomidium group of the main body (2)
Location hole (2-2) is set between two anti-trepanning of interlocking (2-1), and the central axis of location hole (2-2) and main body (2) center
Horizontal plane residing for axis.
3. a kind of anti-rotation type intramedullary nail according to claim 1, it is characterised in that：The remote stomidium group of the main body (2)
Location hole (2-2) is waist-shaped hole.
4. a kind of anti-rotation type intramedullary nail according to claim 1, it is characterised in that：One end of the interconnecting piece (1) is equipped with
The card slot engaged with collimation support；The middle part of the card slot of the interconnecting piece (1) is equipped with thread groove.
5. a kind of anti-rotation type intramedullary nail according to claim 1, it is characterised in that：The interconnecting piece (1) and main body (2)
Boring；The upward bending of the interconnecting piece (1)；The main body (2) is to curving.
6. a kind of anti-rotation type intramedullary nail according to claim 1, it is characterised in that：The interconnecting piece (1) is equipped with first
Interlocking hole (1-1) and the second interlocking hole (1-2)；The central axis in first interlocking hole (1-1) and the second interlocking hole (1-2) is equal
Intersect with the central axis of interconnecting piece (1), and in the central axis in the second interlocking hole (1-2) and the first interlocking hole (1-1)
Mandrel line is arranged in a crossed manner in the projection of side view；The central axis of first interlocking hole (1-1) and interconnecting piece (1) is same
The angle of one plane is A1, A1It is 40 °~65 °.
7. a kind of anti-rotation type intramedullary nail according to claim 6, it is characterised in that：Second interlocking of the interconnecting piece (1)
The central axis in hole (1-2) is in the central axis of interconnecting piece (1) on same vertical plane, and the second interlocking hole (1-2)
Angle with the central axis of interconnecting piece (1) is A2, A2It is 80 °~90.
8. a kind of anti-rotation type intramedullary nail according to claim 6, it is characterised in that：Second interlocking of the interconnecting piece (1)
Hole (1-2) is waist-shaped hole.
9. a kind of anti-rotation type intramedullary nail according to claim 6, it is characterised in that：Second interlocking of the interconnecting piece (1)
Angle of the central axis in hole (1-2) and the first interlocking hole (1-1) in the projection of side view is A3, A3It is 40 °~50 °.
10. a kind of anti-rotation type intramedullary nail according to claim 1, it is characterised in that：There are two being set on the interconnecting piece (1)
Reconstruction hole (1-3) arranged side by side；It is described two rebuild hole (1-3) central axis at the central axis of interconnecting piece (1)
In on same vertical plane, and the angle of the central axis and the central axis of interconnecting piece (1) in two reconstruction holes (1-3) is equal
It is 50 °~60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750495.8A CN108771561A (en) | 2018-07-09 | 2018-07-09 | A kind of anti-rotation type intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750495.8A CN108771561A (en) | 2018-07-09 | 2018-07-09 | A kind of anti-rotation type intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108771561A true CN108771561A (en) | 2018-11-09 |
Family
ID=64029801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810750495.8A Pending CN108771561A (en) | 2018-07-09 | 2018-07-09 | A kind of anti-rotation type intramedullary nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108771561A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886097A (en) * | 2003-12-19 | 2006-12-27 | 库尔斯恩蒂斯股份公司 | Intramedullary nail |
| CN101043853A (en) * | 2004-10-14 | 2007-09-26 | 辛迪思有限公司 | Intramedullary pin for insertion in medullary cavity of femur |
| CN101507652A (en) * | 2009-03-20 | 2009-08-19 | 周志海 | Knee joint approach intramedullary nail |
| CN201361104Y (en) * | 2009-03-20 | 2009-12-16 | 周志海 | Interlocking intramedullary nail |
| CN201379640Y (en) * | 2009-04-16 | 2010-01-13 | 王永清 | Novel femur composite interlocking intramedullary nail |
| CN204033460U (en) * | 2014-07-28 | 2014-12-24 | 常州健力邦德医疗器械有限公司 | Locking tibial intramedullary nailing |
| CN105078564A (en) * | 2014-05-16 | 2015-11-25 | 常州健力邦德医疗器械有限公司 | Intramedullary nail far-end aiming device |
| CN205094567U (en) * | 2015-11-18 | 2016-03-23 | 常州迪恩医疗器械有限公司 | Hollow intramedullary nail of shin bone |
| CN205924144U (en) * | 2016-06-24 | 2017-02-08 | 江苏安格尔医疗器械有限公司 | Thighbone near -end gamma type intramedullary nail |
| CN107343813A (en) * | 2016-05-06 | 2017-11-14 | 天津正天医疗器械有限公司 | Ilium intramedullary nail and sacrum ilium fixing device |
| CN207012227U (en) * | 2017-02-20 | 2018-02-16 | 广东工业大学 | A kind of near-end to match with marrow cavity of femur form fixes intramedullary nail |
| CN208864460U (en) * | 2018-07-09 | 2019-05-17 | 常州华森医疗器械有限公司 | A kind of anti-rotation type intramedullary nail |
-
2018
- 2018-07-09 CN CN201810750495.8A patent/CN108771561A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886097A (en) * | 2003-12-19 | 2006-12-27 | 库尔斯恩蒂斯股份公司 | Intramedullary nail |
| CN101043853A (en) * | 2004-10-14 | 2007-09-26 | 辛迪思有限公司 | Intramedullary pin for insertion in medullary cavity of femur |
| CN101507652A (en) * | 2009-03-20 | 2009-08-19 | 周志海 | Knee joint approach intramedullary nail |
| CN201361104Y (en) * | 2009-03-20 | 2009-12-16 | 周志海 | Interlocking intramedullary nail |
| CN201379640Y (en) * | 2009-04-16 | 2010-01-13 | 王永清 | Novel femur composite interlocking intramedullary nail |
| CN105078564A (en) * | 2014-05-16 | 2015-11-25 | 常州健力邦德医疗器械有限公司 | Intramedullary nail far-end aiming device |
| CN204033460U (en) * | 2014-07-28 | 2014-12-24 | 常州健力邦德医疗器械有限公司 | Locking tibial intramedullary nailing |
| CN205094567U (en) * | 2015-11-18 | 2016-03-23 | 常州迪恩医疗器械有限公司 | Hollow intramedullary nail of shin bone |
| CN107343813A (en) * | 2016-05-06 | 2017-11-14 | 天津正天医疗器械有限公司 | Ilium intramedullary nail and sacrum ilium fixing device |
| CN205924144U (en) * | 2016-06-24 | 2017-02-08 | 江苏安格尔医疗器械有限公司 | Thighbone near -end gamma type intramedullary nail |
| CN207012227U (en) * | 2017-02-20 | 2018-02-16 | 广东工业大学 | A kind of near-end to match with marrow cavity of femur form fixes intramedullary nail |
| CN208864460U (en) * | 2018-07-09 | 2019-05-17 | 常州华森医疗器械有限公司 | A kind of anti-rotation type intramedullary nail |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4565193A (en) | Pronged plate for resetting fractured bones | |
| US8262658B2 (en) | Intramedullary nail | |
| CA2847608C (en) | Polyaxial locking hole arrangement | |
| US8579945B2 (en) | Bone stabilization device | |
| KR20070021129A (en) | Intramedullary nail | |
| CN208864460U (en) | A kind of anti-rotation type intramedullary nail | |
| EP3027130B1 (en) | Device for locking uni-cortical pins | |
| CN103054642A (en) | Detachable resetting compression bone nail | |
| CN111658110A (en) | Assembly type intramedullary nail system | |
| CN209332236U (en) | A kind of near end of thighbone cross lock type intramedullary nail | |
| CN208864459U (en) | A kind of anti-rotation type intramedullary nail external member | |
| CN108771561A (en) | A kind of anti-rotation type intramedullary nail | |
| Boulton et al. | Do locking screws work in plates bent at holes? | |
| CN208838131U (en) | Femur internal fixation system | |
| CN101801295A (en) | Device for fixation of bone fragments at bone fractures | |
| CN113197631B (en) | Interlocking intramedullary nail applicable to metaphysis fracture bone defect | |
| CN105796188B (en) | Osteotomy guide plate | |
| CN210447177U (en) | Spine isthmus internal fixation device | |
| CN108742811A (en) | A kind of anti-rotation type intramedullary nail external member | |
| RU81636U1 (en) | INTRAMEDOLLAR NAIL FOR TIBSA | |
| CN218165355U (en) | Multi-angle self-locking type tibial intramedullary nail | |
| CN212679236U (en) | Spine posterior rigidity variable connecting rod | |
| CN212816481U (en) | Assembly type intramedullary nail system | |
| CN209347203U (en) | A kind of full cortex inner bolt guider | |
| CN211325508U (en) | Proximal tibia lateral special-shaped block |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Jie Inventor after: Wei Dong Inventor before: Hu Xiaowen Inventor before: Wei Jie Inventor before: Zhou Jin Inventor before: Wei Dong Inventor before: Wang Jiangnan Inventor before: Ma Fei Inventor before: Yang Wenlong |
|
| CB03 | Change of inventor or designer information | ||
| CB02 | Change of applicant information |
Address after: 213000 No. 9, Xihu Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Applicant after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213000 No. 9, Xihu Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Applicant before: CHANGZHOU WASTON MEDICAL APPLIANCE Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 213000 No.5 Longxiang Road, Nanxiashu street, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Applicant after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213000 No. 9, Xihu Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province Applicant before: Changzhou Huasen Medical Instrument Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181109 |
|
| RJ01 | Rejection of invention patent application after publication |