CN105997213B - Self-locking intramedullary nail of femur - Google Patents
Self-locking intramedullary nail of femur Download PDFInfo
- Publication number
- CN105997213B CN105997213B CN201610456277.4A CN201610456277A CN105997213B CN 105997213 B CN105997213 B CN 105997213B CN 201610456277 A CN201610456277 A CN 201610456277A CN 105997213 B CN105997213 B CN 105997213B
- Authority
- CN
- China
- Prior art keywords
- nail
- main
- auxiliary
- screw blade
- hole
- 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.)
- Active
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
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7216—Intramedullary pins, nails or other devices for bone lengthening or compression
-
- 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
- A61B17/7241—Intramedullary pins, nails or other devices with special means of locking the nail to the bone the nail having separate elements through which screws pass
-
- 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
-
- 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 present invention provides a kind of self-locking intramedullary nail of femur, is related to orthopaedics the field of medical instrument technology.Including main nail, auxiliary nail, screw blade nail, duct and tail cap, main nail distal end is equipped with interconnecting piece, screw blade nail is socketed on interconnecting piece, and screw blade nail can be rotated freely by interconnecting piece, main nail distal end is circumferential to be evenly arranged with the duct dissipated outward, and auxiliary nail is inserted in main nail, auxiliary nail is the pencil body being made of the rigid needle of corresponding duct quantity, and rigid needle is pierced by from corresponding duct, main nail proximal end is uncovered structure, and tail cap is connected at the uncovered structure of main nail and connects in main nail with auxiliary nail.The present invention can sufficiently pressurize to fracture line, effectively prevent bone rotary shifted.
Description
Technical field
The present invention relates to orthopaedics the field of medical instrument technology, and in particular to a kind of self-locking intramedullary nail of femur.
Background technique
Fracture refers to a kind of disease for causing bone parts due to wound or pathology etc. or being broken completely.Fracture is controlled
Treatment follows reset, fixation, functional training this three basic principles.Reset be will after fracture the fracture site that is displaced it is again extensive
Again normally or close to original normal position, to restore the bracket effect of bone again.After the reduction of the fracture, if holding without being fixedly secured
Easily occur to shift again, therefore should be given after the reduction of the fracture corresponding fixed to promote union.
Common fixing means of fracturing is divided into outer fixation and interior fixation.As internal fixation material, operation method are continuously improved
And transformation of the people to fractures method idea, fracture now is intended to surgical menopause treatment.Inside-fixture can be with
It is broadly divided into marrow external fixer and Medullary fixation device, since 19th century, bone plate and intramedullary nail are gradually used for elongated tubular
In the treatment of bone fracture.
Intramedullary nail is a kind of therapeutic medical orthopedic fixation device tool, a kind of Chinese patent " femur strand lock intramedullary nail " (authorization
Notification number CN203468719U) disclose a kind of femur and twist lock intramedullary nail, it includes proximal end and nail rod, the two be structure as a whole and
It is hollow；The nail rod end is distal end；In being horizontally arranged, horizontal plane where the nail rod and the proximal end is in one first jiao for the proximal end
Perpendicular where degree, the proximal end and the nail rod is in a second angle；The proximal end is equipped with several through-holes, and end is equipped with connection
Hole；This is distally equipped with several through-holes.The patent, which can play part, prevents fracture site twisting action, but cannot fully control
The problems such as rotation of fracture site, lateral fine motion.
Summary of the invention
The technical problem to be solved in the present invention is to provide it is a kind of sufficiently to fracture line pressurization, effectively prevent bone rotary shifted
Self-locking intramedullary nail of femur.
In order to solve the above technical problem, the present invention provides a kind of self-locking intramedullary nail of femur, including main nail, auxiliary nail, spiral
Blade nail, duct and tail cap, the main nail distal end are equipped with interconnecting piece, and the screw blade nail is socketed on the interconnecting piece, and
The screw blade nail can be rotated freely by the interconnecting piece, and the main nail distal end is circumferential to be evenly arranged with the hole dissipated outward
Road, the auxiliary nail are inserted in the main nail, and the auxiliary nail is the pencil body being made of the rigid needle of the correspondence duct quantity,
And the rigid needle is pierced by from corresponding duct, the main nail proximal end is uncovered structure, and the tail cap is connected to the spacious of the main nail
It is connected at mouth structure and with the auxiliary nail in the main nail, screw blade nail of the invention can freely be revolved with the connection of main nail
Turn, during the merging of main nail, screw blade nail is squeezed into after the pine fracture of distal end to be capable of providing lifts power enough, and guarantee will fracture gap
Lifting is eliminated.
Preferably, the screw blade nail includes ailhead, tail sleeve and pin, and the ailhead is equipped with anti-rotation fin, backwards to described
Anti- rotation fin side is equipped with the tail sleeve, and the tail sleeve is cylindrical hollow configuration, and the tail sleeve side is provided with pin hole, the pin
Nail hole is matched with pin, and the screw blade nail of this structure is during the merging of main nail, it is easier to squeeze into distal end pine fracture and energy
It is enough that lifting power enough is provided.
Preferably, the interconnecting piece is cylindrical structure, the cylindrical structure and the cylindrical hollow configuration gap
Cooperation, and cylindrical structure is circumferentially provided with annular groove, the pin passes through pin hole and the annular groove clearance fit, this
Structure ensure that the rotation of screw blade nail.
Preferably, the auxiliary nail is the pencil body being made of three rigid needles, and the distal end of the main nail is circumferentially uniformly set
Three ducts are set, auxiliary nail of the invention is come by the duct of main nail in distal end bifurcated, and insertion distal end pine fracture can effectively prevent
Only distal bone folded block rotates, and prevents from resetting and fail.
Preferably, the duct is in that divergent shape penetrates main nail, and forms auxiliary nail slot, this structure on main nail surface from inside to outside
Facilitate being mounted and taken out for auxiliary nail.
Preferably, the screw blade nails on the groove for being equipped with and matching with the auxiliary nail slot, and the groove is along circular knife
Piece nail is circumferential to be uniformly distributed, and auxiliary nail is come by the duct of main nail in distal end bifurcated, and after the pine fracture of insertion distal end, auxiliary nail is stuck in tail
Screw blade nail rotation is limited on set in groove.
It preferably, further include proximal end pinning and locking nail hole, the main nail proximal end is equipped at least one locking nail hole, the tail cap
Through-hole corresponding with the locking nail hole, the locking nail hole and through-hole are equipped with through there is proximal end pinning, is beaten after fracture line joint close
Enter proximal end pinning, fracture pressurization stress is effectively ensured, while can guarantee that main nail does not rotate in pulp cavity.
Preferably, the shape of the main nail is arc, the radian phase of the radian and femoral bone cavitas medullaris anatomical shape of the arc
Together.
Beneficial effects of the present invention:
1) original femur self-locking nail, which is used, connects the screw blade nail that fracture line pressurizes insufficient, of the invention with main nail
It can rotate freely, during main nail merging, screw blade nail squeezes into distal end pine fracture and needs to guarantee that it can be rotated freely, and beats
It is capable of providing lifting power enough after entering pine fracture, guarantees to eliminate the lifting of fracture gap.
2) fixation of original femur self-locking nail distal end is unstable, and anti-rotation performance is poor, and auxiliary nail of the invention passes through the hole of main nail
Road comes in distal end bifurcated, and the rotation of distal bone folded block can be effectively prevented in insertion distal end pine fracture, prevents from resetting and fail.
3) hollow type that the tail cap that the present invention is arranged effectively prevent soft tissue to grow into self-locking intramedullary nail of femur is intracavitary.
4) shape of main nail of the invention is to meet the shape of femoral bone cavitas medullaris anatomical angulation, facilitates operation.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of self-locking intramedullary nail of femur of the present invention；
Fig. 2 is the screw blade pin structure schematic diagram of self-locking intramedullary nail of femur of the present invention；
Fig. 3 is the interconnecting piece structural schematic diagram of self-locking intramedullary nail of femur of the present invention；
Fig. 4 is the distal structure schematic diagram of self-locking intramedullary nail of femur of the present invention；
Fig. 5 is the proximal structure schematic diagram of self-locking intramedullary nail of femur of the present invention；
Fig. 6 is the auxiliary pin structure schematic diagram of self-locking intramedullary nail of femur of the present invention.
In the figure, it is marked as 1, main nail；2, auxiliary nail；21, rigid needle；3, screw blade is followed closely；31, ailhead；32, tail sleeve；4, tail
Cap；41, through-hole；5, interconnecting piece；51, annular groove；6, duct；61, auxiliary nail slot；62, groove；7, pin hole；8, pin；9, it locks
Nail hole；10, proximal end pinning.
Specific embodiment
The preferred embodiment of the present invention is described with reference to the accompanying drawing.
As shown in Figures 1 to 6, a kind of self-locking intramedullary nail of femur of the invention, including main nail 1, auxiliary nail 2, screw blade nail
3, tail cap 4 and duct 6,1 distal end of main nail are equipped with interconnecting piece 5, and screw blade nail 3 is socketed on interconnecting piece 5, and screw blade nail 3
It can be rotated freely by interconnecting piece 5, main 1 distal end of nail is circumferential to be evenly arranged with the duct 6 dissipated outward, and auxiliary nail 2 is inserted in main nail 1
Interior, auxiliary nail 2 is the pencil body being made of the rigid needle 21 of corresponding 6 quantity of duct, and rigid needle 21 is pierced by from corresponding duct 6, main
Following closely 1 proximal end is uncovered structure, and tail cap 4 is connected at the uncovered structure of main nail 1 and connect with auxiliary nail 2 in main nail 1, of the invention
Screw blade nail 3 connect and can rotate freely with main nail 1, and during main 1 merging of nail, screw blade nail 3 squeezes into distal end pine fracture
After be capable of providing enough lifting power, guarantee will fracture gap lifting eliminate.
Screw blade nail 3 includes ailhead 31, tail sleeve 32 and pin 8, and ailhead 31 is equipped with anti-rotation fin, is set backwards to anti-rotation fin side
There is tail sleeve 32, tail sleeve 32 is cylindrical hollow configuration, and 32 side of tail sleeve is provided with pin hole 7, and pin hole 7 is matched with pin 8, this
The screw blade nail 3 of structure is during main 1 merging of nail, it is easier to squeeze into distal end pine and fracture and be capable of providing lifting power enough.
Interconnecting piece 5 is cylindrical structure, cylindrical structure and cylindrical hollow configuration clearance fit, and cylindrical structure is all
To annular groove 51 is provided with, for pin 8 by pin hole 7 and 51 clearance fit of annular groove, this structure ensure that screw blade nail 3
Rotation.
Auxiliary nail 2 is the pencil body being made of three rigid needles 21, and the distal end of main nail 1 is circumferentially uniformly arranged three ducts 6,
Auxiliary nail 2 of the invention is come by the duct 6 of main nail 1 in distal end bifurcated, and distal bone can be effectively prevented in insertion distal end pine fracture
Folded block rotation is prevented from resetting and be failed.
Duct 6 penetrates main nail 1 in divergent shape from inside to outside, and forms auxiliary nail slot 61 on 1 surface of main nail, this structure facilitates auxiliary
Nail 2 is mounted and taken out.
Screw blade nail 3 is equipped with the groove 62 matched with auxiliary nail slot 61, and groove 62 is circumferential uniformly along screw blade nail 3
Distribution, auxiliary nail 2 are come by the duct 6 of main nail 1 in distal end bifurcated, and after the pine fracture of insertion distal end, auxiliary nail 2 is stuck in tail sleeve 32
3 rotation of screw blade nail is limited in groove 62.
Further include locking nail hole 9 and proximal end pinning 10,1 proximal end of main nail is equipped at least one locking nail hole 9, tail cap 4 be equipped with
The corresponding through-hole 41 of locking nail hole 9, locking nail hole 9 and through-hole 41 squeeze into proximal end lock through there is proximal end pinning 10 after fracture line joint close
Fracture pressurization stress is effectively ensured in nail 10, while can guarantee that main nail 1 does not rotate in pulp cavity.
Working method of the invention:
When carrying out actual operation, doctor plants femur inner cavity to corresponding position, spiral prior to femur aperture, by main nail 1
Blade nail 3 squeezes into distal end pine fracture, plants auxiliary nail 2 along 1 bottom of chamber portion of main nail, one end of main nail 1 is equipped with three holes of equal part circumferential direction
Road 6, duct 6 are in that divergent shape penetrates main nail 1 from inside to outside, and auxiliary nail 2 is the pencil bodies of three rigid needles 21 composition, and rigid needle 21 is certainly
Corresponding duct 6 is pierced by, and accesses tail cap 4, is compressed open-mouth of the tail cap 4 by auxiliary nail 2 along 1 inner cavity of main nail and is inserted into, tail cap 4 is to auxiliary nail 2
Pencil body bottom end generates pressure, so that fixed assign of three rigid needles 21 of auxiliary nail 2 is beaten after femur internal chamber wall, fracture line joint close
Enter proximal end pinning 10 and is fixed in femoral cavity.The present invention increases the rotatable screw blade nail 3 in distal end, squeezes into energy in the pine fracture of distal end
Enough effectively connections, are lifted by instrument, are sufficiently pressurizeed to fracture line, and the auxiliary nail 2 in main 1 inside three of nail is remote by the insertion of distal end bifurcated
It is rotary shifted that bone can be effectively prevented in the cancellous bone of end, improve bone surgery quality.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of self-locking intramedullary nail of femur, it is characterised in that: described including main nail, auxiliary nail, screw blade nail, duct and tail cap
Main nail distal end is equipped with interconnecting piece, and the screw blade nail is socketed on the interconnecting piece, and the screw blade is followed closely by described
Interconnecting piece can rotate freely, and the main nail distal end is circumferential to be evenly arranged with the duct dissipated outward, and the auxiliary nail is inserted in described
In main nail, the auxiliary nail is by the pencil body that forms of rigid needle of the correspondence duct quantity, and the rigid needle is from corresponding aperture
Road is pierced by, and the main nail proximal end is uncovered structure, and the tail cap is connected at the uncovered structure of the main nail and in the main nail
Interior to connect with the auxiliary nail, the screw blade nail includes ailhead, tail sleeve and pin, and the ailhead is equipped with anti-rotation fin, backwards to institute
Anti- rotation fin side is stated equipped with the tail sleeve, the tail sleeve is cylindrical hollow configuration, and the tail sleeve side is provided with pin hole, described
Pin hole is matched with pin, and the interconnecting piece is cylindrical structure, the cylindrical structure and the cylindrical hollow configuration
Clearance fit, and cylindrical structure is circumferentially provided with annular groove, the pin is matched by pin hole and the annular groove gap
It closes.
2. self-locking intramedullary nail of femur according to claim 1, it is characterised in that: the auxiliary nail is to be made of three rigid needles
Pencil body, and the distal end of the main nail is circumferentially uniformly arranged three ducts.
3. self-locking intramedullary nail of femur according to claim 1, it is characterised in that: worn from inside to outside in divergent shape in the duct
Saturating main nail, and auxiliary nail slot is formed on main nail surface.
4. self-locking intramedullary nail of femur according to claim 3, it is characterised in that: the screw blade nail on be equipped with it is described
The groove that auxiliary nail slot matches, the groove are circumferentially uniformly distributed along screw blade nail.
5. self-locking intramedullary nail of femur according to claim 1, it is characterised in that: further include proximal end pinning and locking nail hole, institute
Main nail proximal end is stated equipped at least one locking nail hole, the tail cap is equipped with through-hole corresponding with the locking nail hole, the pinning
Hole and through-hole, which run through, proximal end pinning.
6. self-locking intramedullary nail of femur according to claim 1, it is characterised in that: the shape of the main nail is arc, described
The radian of arc is identical as the radian of femoral bone cavitas medullaris anatomical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610456277.4A CN105997213B (en) | 2016-06-22 | 2016-06-22 | Self-locking intramedullary nail of femur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610456277.4A CN105997213B (en) | 2016-06-22 | 2016-06-22 | Self-locking intramedullary nail of femur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105997213A CN105997213A (en) | 2016-10-12 |
| CN105997213B true CN105997213B (en) | 2019-03-08 |
Family
ID=57086290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610456277.4A Active CN105997213B (en) | 2016-06-22 | 2016-06-22 | Self-locking intramedullary nail of femur |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105997213B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198562B (en) * | 2017-07-27 | 2023-03-21 | 焦作市新港医疗设备有限公司 | Fibula/radius intramedullary nail and fibula group and radius group using intramedullary nail |
| CN108403199A (en) * | 2018-01-25 | 2018-08-17 | 吴旋 | Arthroscopic surface helix locking structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2369639Y (en) * | 1999-04-06 | 2000-03-22 | 蒋谊康 | Intramedullary pin with self locking device at remote end |
| CN202458648U (en) * | 2012-02-21 | 2012-10-03 | 季文婷 | Spiral blade type inner bone marrow locking nail |
| CN202714906U (en) * | 2012-07-16 | 2013-02-06 | 苏州吉美瑞医疗器械有限公司 | Femoral self-locking nail |
| ES2706201T3 (en) * | 2013-10-22 | 2019-03-27 | General Surgical Company India Pvt Ltd | A device for bone support with improved rotational stability |
| CN206007348U (en) * | 2016-06-22 | 2017-03-15 | 苏州吉美瑞医疗器械有限公司 | Self-locking intramedullary nail of femur |
-
2016
- 2016-06-22 CN CN201610456277.4A patent/CN105997213B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105997213A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070123873A1 (en) | Intramedullary nail with oblique openings | |
| US8876822B2 (en) | Intramedullary nail system with tang fixation after lock screw placement | |
| JP2011519658A (en) | Humeral nail | |
| US8262709B1 (en) | Device and method for femoral neck fracture fixation | |
| AU2011330998B2 (en) | Implantable device for preventive or curative treatment of fractures of the femur, associated ancillary device | |
| JP2014097306A (en) | Apparatus for strengthening bones and tool for mounting the apparatus | |
| JP2007125387A (en) | Intramedullary nail | |
| WO2016127522A1 (en) | Porous bionic internal fixation apparatus for promoting fracture healing | |
| CN105997213B (en) | Self-locking intramedullary nail of femur | |
| CN209220462U (en) | A kind of near end of thighbone Medullary fixation device | |
| US20140276826A1 (en) | Targeting guide for an intramedullary nail | |
| CN206007348U (en) | Self-locking intramedullary nail of femur | |
| CN201701286U (en) | Proximal femoral nail system | |
| CN109820585A (en) | Minimally invasive marrow inner panel system | |
| CN202105011U (en) | Short type femoral head intramedullary nail with anterior arch radian | |
| EP3170465A1 (en) | Device for fixing proximal humerus | |
| RU2632759C1 (en) | Kit for hip joint endoprosthetics | |
| CN202892074U (en) | Novel hip locking plate for children | |
| CN104323847B (en) | Intramedullary nail with lock | |
| CA3173867A1 (en) | Humeral repair implant | |
| CN206355121U (en) | A kind of intramedullary needle fixing device of novel thighbone handle prosthese and Periprosthetic fracture | |
| CN208710033U (en) | A kind of shin bone Medullary fixation device | |
| CN106691559A (en) | Orthopedics department locking screw | |
| CN208659523U (en) | A kind of femur marrow inner fixing device | |
| CN208756134U (en) | Has minimally invasive and support function non-expanding bone intramedullary nail for treating femoral fracture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Fengzhen Jin Nan Lu Jin Zhangjiagang city Suzhou City, Jiangsu province 215600 (Jinfeng Technology Park A22, 26) Applicant after: Suzhou Jimei Rui medical equipment Limited by Share Ltd Address before: Fengzhen Jin Nan Lu Jin Zhangjiagang city Suzhou City, Jiangsu province 215600 (Jinfeng Technology Park A22, 26) Applicant before: Suzhou Ji Meirui Medical Devices Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |