CN102551856A - Internal fixing system capable of dilating wound of spinal column in self-rotation manner - Google Patents
Internal fixing system capable of dilating wound of spinal column in self-rotation manner Download PDFInfo
- Publication number
- CN102551856A CN102551856A CN201110025819XA CN201110025819A CN102551856A CN 102551856 A CN102551856 A CN 102551856A CN 201110025819X A CN201110025819X A CN 201110025819XA CN 201110025819 A CN201110025819 A CN 201110025819A CN 102551856 A CN102551856 A CN 102551856A
- Authority
- CN
- China
- Prior art keywords
- screw
- angle
- sprig
- rotation
- pin
- 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.)
- Granted
Links
Images
Abstract
The invention discloses an internal fixing system capable of dilating wound of a spinal column in a self-rotation manner. The internal fixing system consists of a bar, a rotating vertebral pedicle nail and a locking plug screw. The rotating vertebral pedicle nail consists of a U-shaped nail cap, a pin and a screw. A pin hole and a spherical hole are arranged at the bottom of the U-shaped nail cap, a pin hole and a spherical portion are arranged at the head of the screw, an angular deflection groove is arranged at the bottom of the U-shaped nail cap, and the screw can freely swing at a fan-shaped angle after being mounted on the U-shaped nail cap via the pin. After the rotating vertebral pedicle nail is mounted on a vertebral body via a vertebral pedicle, the bar is mounted in a U-shaped groove of the U-shaped nail cap. After the structure is mounted, the bar is pressed by locking pressure of the plug screw so as to apply pressure to the head of the screw on the rotating vertebral pedicle nail, as an obliquely angled arc groove is designed at the head of the screw, the screw generates rotating force along the pin, and the bar is finally completely adhered with the arc groove of the head of the screw due to a proper rotating angle. The vertebral body is dilated due to rotation, fracture reduction is realized, and the height of the injured vertebral body is normal again.
Description
Technical field
The present invention relates to the spinal surgery technical field of medical instruments, be specifically related to a kind of spinning and strut the spinal trauma internal fixation system.
Background technology
Spinal injury pedicle internal fixation is since 1987 come out, and the nearly more than ten years reach from U.S.A to Europe and obtained all over the world using widely and developing, and various new fixed forms continue to bring out.Difference according to connected mode mainly is divided into nail rod and two systems of nail-plate.Previous system side overweights resetting of vertebral fracture and fixes, and back one system is mainly used in the centrum olisthe treatment, and along with the improvement of apparatus and going deep into of spinal biomechanics research, the scope of application is intersection expansion each other gradually.
Existing treatment spinal trauma spinal fixation system adopts fixed angle U sprig more; Adopt the arc rod to install and carry out the reduction of the fracture; But the arc rod owing to often become mitre with the U sprig, causes locking plug screw very difficulty is installed in installation process, phenomenons such as the sliding tooth of quick-fried silk often occur.Sofamor Danik company's T enor is by rod, and chuck and pedicle nail are formed, and pedicle nail can become folk prescription to 11.5 ° of angles with rod through chuck, carries out the reduction of the fracture by specific purpose tool.The USS system of AO design is made up of excellent side direction fixture block and long-armed nail, becomes the angle to carry out the reduction of the fracture through fixture block with rod long-armed nail with hands.This kind of RF character of apparatus is designed to the angle screw with pedicle nail, and the nail tail becomes 5 °, 10 °, 15 ° angles with the nail bar.Open recess is put in nail tail design one back, claims " U " staple tail again, and rod snaps in the groove, by the screw locking, has a connection cross bar comparatively firm between two rods connect, and is mainly used in T10～L5 vertebral fracture, and extraordinary curative effect is arranged.The AF character of apparatus does; Pitman is designed to a kind of telescoping structure that has angle, and vertebral arch vertebra nail still is straight nail, and the nail tail has reverse thread; The combination of nail rod leans on one and half arcual grooves of screw tailing screw flight, nut and rod to combine, and there have Self-locking screw to strengthen connection to be more strong.Operate more simply, shorten operating time greatly, and reset effect is superior to RF in the clinical practice.But RF, AF since when design stress concentration, cause clinical broken nail rate higher.This apparatus of APF will be followed closely with rod and be connected through 1 lateral mass, and lateral mass is an integral body, and the screw hole of lateral mass is a tilted prick hole, and the vertical line of its axis and screw forms 0 °, 5 ', 10 °, 15 ° of angles do not wait.The nail rod produces a corresponding angle when combining, and fracture is better resetted, the self-locking of screw lateral mass; The omoplate that screw contacts with lateral mass is a hexagon; Corresponding lateral mass contact surface is the slope, and the gradient on slope is consistent with the lateral mass screw hole, has ramp portion and no ramp to form sublevel in the lateral mass; Hexagonal side and the step side of screw omoplate are just in time hit close, shortcoming is that the implant volume is big.
Summary of the invention
The objective of the invention is to design a kind of from strutting rotation spinal trauma internal fixation system, can be in installation process the anglec of rotation automatically, realize the reduction of the fracture, operation is installed simple, reliable in structure.
For realizing above-mentioned purpose, provided by the invention from strutting rotation spinal trauma internal fixation system, the technical scheme of employing is:
A kind of from strutting rotation spinal trauma internal fixation system, form by rod, rotation pedicle nail, locking plug screw.Said rotation pedicle nail is made up of U sprig medicated cap, pin and screw.Said U sprig medicated cap bottom is provided with pin hole and ball-type hole, and said screw head is provided with pin hole and ball-type part, and said U sprig medicated cap bottom is provided with the deflection groove of band angle, can freely become fan-shaped angle swinging after said screw is installed on the U sprig medicated cap through pin.Vertebral body receives to occur fracture after the wound, and injured vertebral body produces compression, and the rotation pedicle nail is installed to after vertebral body goes up through pedicle of vertebral arch, because U sprig medicated cap can freely swing into the angle with screw, therefore rod is installed in the U type groove of U sprig medicated cap very easy.After structure was installed, rod was exerted pressure to the screw head on the rotation pedicle nail by the locking pressure of plug screw, because screw head is designed with the arc groove at oblique angle, makes screw produce revolving force along pin, and the anglec of rotation is that the arc groove of excellent final sum screw head is fitted fully.Because this rotation struts vertebral body, realize the reduction of the fracture, injured vertebral body recovers normal height.Because this anglec of rotation is fixed-direction, rotation pedicle nail installation direction on vertebral body must confirm, therefore nails at the rotation vertebrae nut to be designed with the direction signs groove on the U sprig medicated cap and to distinguish.After the structure locking, fit fully in the screw head ball-type part that the rotation vertebrae nut nails on and the ball-type hole of U sprig medicated cap bottom, and coupling mechanism force is through land portions contact conduction, but not the pin that nails on through the rotation vertebrae nut conducts structure locking safety and reliability.
The invention has the beneficial effects as follows: simple in structure, novel in design, production and processing is simple, clinical manipulation is very convenient.The present invention resets to fracture owing to spinning in the locking process struts in addition, does not need to rely on the complicated operation instrument to carry out the reduction of the fracture in the past.Not only can be used for open surgery, also can be used for the Minimally Invasive Surgery treatment, progressively producing good social benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a structure A-A cutaway view of the present invention.
Fig. 3 is a plug screw structural representation of the present invention.
Fig. 4 is a bar structure sketch map of the present invention.
Fig. 5 is a rotation vertebrae nut pin structure sketch map of the present invention.
Fig. 6 is a rotation pedicle nail U sprig cap sketch map of the present invention.
Fig. 7 is a rotation vertebrae nut oncomelania pin structure sketch map of the present invention.
Fig. 8 is that excellent sketch map is put in structure use of the present invention.
Fig. 9 is that structure use of the present invention struts sketch map.
The specific embodiment
Below in conjunction with embodiment the present invention is done further description.
Like Fig. 1 is structural representation of the present invention; Fig. 2 is a structure A-A cutaway view of the present invention; Fig. 3 is a plug screw structural representation of the present invention; Fig. 4 is a bar structure sketch map of the present invention; Fig. 5 is a rotation vertebrae nut pin structure sketch map of the present invention; Fig. 6 is a rotation pedicle nail U sprig cap sketch map of the present invention; Fig. 7 is a rotation vertebrae nut oncomelania pin structure sketch map of the present invention; Fig. 8 is that excellent sketch map is put in structure use of the present invention; Fig. 9 is that structure use of the present invention struts sketch map.
A kind of spinning struts the spinal trauma internal fixation system to be made up of plug screw 1, rod 2, rotation pedicle nail 3, and said rotation pedicle nail 3 is made up of U sprig medicated cap 31, pin 32 and screw 33.Said U sprig medicated cap 31 bottoms are provided with pin hole 312 and ball-type hole 313; The center of this pin hole 312 should overlap with the center in ball-type hole 313; Screw 33 heads are provided with pin hole 332 and ball-type part 331, and the center of this pin hole 332 should overlap with the center of ball-type part 331.Said U sprig medicated cap 31 bottom design have the deflection groove 311 of A angle, and screw 33 head design have the arc groove 333 of C angle, and the A angle should be more than or equal to the C angle.Screw 33 is assembled in the U sprig medicated cap 31, connects with pin 32, and connecting 31 on back screw 33 and U sprig medicated cap can freely rotate along 32 of pins, and screw 33 is the A angle and the B angle of U sprig medicated cap 31 bottom design along its axis slewing area.
As shown in Figure 8; Vertebral body receives to occur fracture after the wound, and injured vertebral body produces compression, and spinning pedicle nail 3 is installed to after vertebral body goes up through pedicle of vertebral arch; Because U sprig medicated cap 31 can freely rotate into B angle as shown in Figure 6 with screw 33, therefore rod 2 is installed in the U type groove of U sprig medicated cap 31 very easy.
Like Fig. 9, shown in Figure 2; After structure was installed, rod 2 was exerted pressure to screw 33 heads on the rotation pedicle nail 3 by the locking pressure of plug screw 1, because screw 33 is designed with the arc groove 333 at oblique angle; Make screw 33 produce revolving force along pin 32, the anglec of rotation is the C angle of arc groove 333 designs.Because this rotation struts vertebral body, realize the reduction of the fracture, injured vertebral body recovers normal height.
Like Fig. 9, shown in Figure 6, because this anglec of rotation is a fixed-direction, rotation pedicle nail 3 installation direction on vertebral body must be confirmed, therefore on U sprig medicated cap 31 on the rotation pedicle nail 3, is provided with direction signs groove 314 and distinguishes.
As shown in Figure 2; After the structure locking; Fit fully in the screw 33 head ball-type parts 331 on the rotation pedicle nail 3 and the ball-type hole 313 of U sprig medicated cap 31 bottoms, after the arc groove 333 of rod 2 and screw 33 heads was fitted fully, coupling mechanism force was through land portions 331 contact conduction; But not conduct structure locking safety and reliability through the pin 32 on the rotation pedicle nail 31.
Operational approach of the present invention comprises the steps:
1) confirms to place the position that rotates pedicle nail according to the position of spinal trauma;
2) will rotate pedicle nail and be installed on the vertebral body, and the direction identification slot of two U sprigs of homonymy medicated cap must be towards on the contrary through pedicle of vertebral arch;
3) after the rotation pedicle nail installs, rod is put into the U type groove of two U sprig medicated caps; Plug screw is screwed into respectively in the different U sprig medicated caps;
4) tighten plug screw, rod is exerted pressure to the screw head on the rotation pedicle nail by the locking pressure of plug screw, because screw head is designed with the arc groove at oblique angle; Make screw produce rotation; Because this rotation struts vertebral body, realize the reduction of the fracture, injured vertebral body recovers normal height.
Although it is above accompanying drawing has described the present invention in detail with explanation, that these accompanying drawings and explanation should be considered to be used for explaining rather than do restriction in characteristic aspect.Should be understood that, this and only express and explained preferable embodiment, therefore require protection to fall into all changes and modification in the protection domain of the present invention.
Claims (7)
1. a spinning struts the spinal trauma internal fixation system, is made up of locking plug screw (1), rod (2), rotation pedicle nail (3), and said rotation pedicle nail (3) is made up of U sprig medicated cap (31), pin (32) and screw (33).It is characterized in that: said U sprig medicated cap (31) bottom design has pin hole (312) and ball-type hole (313); Said rotation vertebrae nut nails on U sprig medicated cap (31) and is provided with direction signs groove (314); Said screw (33) head is provided with the arc groove (333) of pin hole (332), ball-type part (331) and band angle; U sprig medicated cap (31) bottom is provided with the deflection groove (311) of band angle, and said screw (33) is installed to through pin (32) can freely become fan-shaped angle swinging after U sprig medicated cap (31) is gone up.
2. a kind of spinning according to claim 1 struts the spinal trauma internal fixation system, it is characterized in that: the center of the center of said pin hole (312) and ball-type hole (313) overlaps.
3. a kind of spinning according to claim 1 struts the spinal trauma internal fixation system, it is characterized in that: the center of said pin hole (332) should overlap with the center of ball-type part (331).
4. a kind of spinning according to claim 1 struts the spinal trauma internal fixation system; It is characterized in that: deflection groove (311) angle of being with that said U sprig medicated cap (31) bottom is provided with is A angle and B angle sum; Arc groove (333) angle of being with that said screw (33) head is provided with is the C angle, and said A angle is more than or equal to the C angle.
5. strut the spinal trauma internal fixation system according to claim 1 or 4 described a kind of spinnings; It is characterized in that: can freely rotate along pin (32) axle between said screw (33) and U sprig medicated cap (31), the screw axis slewing area is the A angle and the B angle of U sprig medicated cap (31) bottom design.
6. a kind of spinning according to claim 4 struts the spinal trauma internal fixation system; It is characterized in that: the span of said A angle is 0 °～20 °; The span of said B angle is 0 °～20 °, and the span of said C angle is 0 °～20 °.
7. an application rights requires 1 described a kind of spinning to strut the method that the spinal trauma internal fixation system carries out internal fixation of spine to may further comprise the steps:
1) confirms to place the position that rotates pedicle nail according to the position of spinal trauma;
2) will rotate pedicle nail and be installed on the vertebral body, and the direction identification slot of two U sprigs of homonymy medicated cap must be towards on the contrary through pedicle of vertebral arch;
3) after the rotation pedicle nail installs, rod is put into the U type groove of two U sprig medicated caps; Plug screw is screwed into respectively in the different U sprig medicated caps;
4) tighten plug screw, rod is exerted pressure to the screw head on the rotation pedicle nail by the locking pressure of plug screw, because screw head is designed with the arc groove at oblique angle; Make screw produce rotation; Because this rotation struts vertebral body, realize the reduction of the fracture, injured vertebral body recovers normal height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110025819.XA CN102551856B (en) | 2011-01-24 | 2011-01-24 | Internal fixing system capable of dilating wound of spinal column in self-rotation manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110025819.XA CN102551856B (en) | 2011-01-24 | 2011-01-24 | Internal fixing system capable of dilating wound of spinal column in self-rotation manner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102551856A true CN102551856A (en) | 2012-07-11 |
| CN102551856B CN102551856B (en) | 2014-07-09 |
Family
ID=46399362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110025819.XA Active CN102551856B (en) | 2011-01-24 | 2011-01-24 | Internal fixing system capable of dilating wound of spinal column in self-rotation manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102551856B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106806010A (en) * | 2015-12-02 | 2017-06-09 | 东北大学 | Thoracic and lumbar vertebral posterior fine motion fixed system |
| CN111248992A (en) * | 2019-05-05 | 2020-06-09 | 浙江德康医疗器械有限公司 | Multifunctional screw |
| CN112057151A (en) * | 2020-09-11 | 2020-12-11 | 天津市威曼生物材料有限公司 | Supporting device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050192573A1 (en) * | 2004-02-27 | 2005-09-01 | Custom Spine, Inc. | Biased angle polyaxial pedicle screw assembly |
| US20060036242A1 (en) * | 2004-08-10 | 2006-02-16 | Nilsson C M | Screw and rod fixation system |
| CN1784181A (en) * | 2003-05-07 | 2006-06-07 | 比德曼莫泰赫有限公司 | Dynamic anchoring device and dynamic stabilizing device, which serves to stabilize bones, particularly vertebrae, and which has an anchoring device of this type |
| CN1794953A (en) * | 2003-05-28 | 2006-06-28 | 脊骨技术公司 | Connecting device for spinal osteosynthesis |
| CN1965769A (en) * | 2005-10-12 | 2007-05-23 | 比德曼莫泰赫有限公司 | Bone anchoring device |
| WO2008082836A1 (en) * | 2006-12-29 | 2008-07-10 | Abbott Spine Inc. | Spinal stabilization systems and methods |
| US20080234759A1 (en) * | 2005-04-27 | 2008-09-25 | Trinity Orthopedics, Llc | Mono-Planar Pedicle Screw Method, System and Kit |
| US20080234823A1 (en) * | 2007-01-19 | 2008-09-25 | Landry Michael E | Artificial functional spinal unit system and method for use |
| CN201143228Y (en) * | 2008-01-25 | 2008-11-05 | 上海浦卫医疗器械厂 | Vertebral column internal fixation nail stick |
| US20080288002A1 (en) * | 2006-12-29 | 2008-11-20 | Abbott Spine Inc. | Spinal Stabilization Systems and Methods |
| US20080312696A1 (en) * | 2007-06-15 | 2008-12-18 | Robert Reid, Inc. | System and Method for Polyaxially Adjustable Bone Anchorage |
| CN101495054A (en) * | 2006-07-26 | 2009-07-29 | 华沙整形外科股份有限公司 | Pivoting joints for spinal implants including designed resistance to motion and methods of use |
| US20100063550A1 (en) * | 2008-09-11 | 2010-03-11 | Innovasis, Inc, | Radiolucent screw with radiopaque marker |
| CN201987651U (en) * | 2011-01-24 | 2011-09-28 | 上海锐植医疗器械有限公司 | Self-rotating internal fixed system for propping spinal column trauma open |
-
2011
- 2011-01-24 CN CN201110025819.XA patent/CN102551856B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1784181A (en) * | 2003-05-07 | 2006-06-07 | 比德曼莫泰赫有限公司 | Dynamic anchoring device and dynamic stabilizing device, which serves to stabilize bones, particularly vertebrae, and which has an anchoring device of this type |
| CN1794953A (en) * | 2003-05-28 | 2006-06-28 | 脊骨技术公司 | Connecting device for spinal osteosynthesis |
| US20050192573A1 (en) * | 2004-02-27 | 2005-09-01 | Custom Spine, Inc. | Biased angle polyaxial pedicle screw assembly |
| US20060036242A1 (en) * | 2004-08-10 | 2006-02-16 | Nilsson C M | Screw and rod fixation system |
| US20080234759A1 (en) * | 2005-04-27 | 2008-09-25 | Trinity Orthopedics, Llc | Mono-Planar Pedicle Screw Method, System and Kit |
| CN1965769A (en) * | 2005-10-12 | 2007-05-23 | 比德曼莫泰赫有限公司 | Bone anchoring device |
| CN101495054A (en) * | 2006-07-26 | 2009-07-29 | 华沙整形外科股份有限公司 | Pivoting joints for spinal implants including designed resistance to motion and methods of use |
| WO2008082836A1 (en) * | 2006-12-29 | 2008-07-10 | Abbott Spine Inc. | Spinal stabilization systems and methods |
| US20080288002A1 (en) * | 2006-12-29 | 2008-11-20 | Abbott Spine Inc. | Spinal Stabilization Systems and Methods |
| US20080234823A1 (en) * | 2007-01-19 | 2008-09-25 | Landry Michael E | Artificial functional spinal unit system and method for use |
| US20080312696A1 (en) * | 2007-06-15 | 2008-12-18 | Robert Reid, Inc. | System and Method for Polyaxially Adjustable Bone Anchorage |
| CN201143228Y (en) * | 2008-01-25 | 2008-11-05 | 上海浦卫医疗器械厂 | Vertebral column internal fixation nail stick |
| US20100063550A1 (en) * | 2008-09-11 | 2010-03-11 | Innovasis, Inc, | Radiolucent screw with radiopaque marker |
| CN201987651U (en) * | 2011-01-24 | 2011-09-28 | 上海锐植医疗器械有限公司 | Self-rotating internal fixed system for propping spinal column trauma open |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106806010A (en) * | 2015-12-02 | 2017-06-09 | 东北大学 | Thoracic and lumbar vertebral posterior fine motion fixed system |
| CN111248992A (en) * | 2019-05-05 | 2020-06-09 | 浙江德康医疗器械有限公司 | Multifunctional screw |
| CN112057151A (en) * | 2020-09-11 | 2020-12-11 | 天津市威曼生物材料有限公司 | Supporting device |
| CN112057151B (en) * | 2020-09-11 | 2023-06-09 | 天津市威曼生物材料有限公司 | Supporting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102551856B (en) | 2014-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10327820B2 (en) | Spinal plate with compression locking | |
| US9763702B2 (en) | Bone fixation assembly | |
| US9161782B2 (en) | Bone anchor assemblies and methods of manufacturing and use thereof | |
| CN102133132B (en) | Dynamic screw implant for pedicle of vertebral arch | |
| CN102488548B (en) | Internal fixing device and internal fixing method of vertebral columns | |
| US20070225712A1 (en) | Systems and methods for posterior dynamic stabilization of the spine | |
| US20090198273A1 (en) | Pedicle Screw | |
| US20120296380A1 (en) | Hinged bone screw with a tulip bulb connector in a spinal fixation assembly | |
| US20220110663A1 (en) | Bone anchor | |
| CN102551856B (en) | Internal fixing system capable of dilating wound of spinal column in self-rotation manner | |
| CN201987651U (en) | Self-rotating internal fixed system for propping spinal column trauma open | |
| CN104622558B (en) | A kind of intervertebral space elasticity struts inner fixing device | |
| CN203369955U (en) | Single-axis pedicle screw | |
| CN103040517A (en) | Simple-pendulum spinal screw | |
| CN203089346U (en) | Spine screw capable of swinging along signal direction | |
| CN202365900U (en) | Internal fixation device of spine | |
| US9072551B2 (en) | Surgical instrument | |
| CN208371883U (en) | A kind of pedicle screw | |
| CN206910384U (en) | A kind of minimally invasive rotation pedicle nail | |
| CN204723167U (en) | A kind of micro-wound percutaneous hollow Pediculus arcus vertebrae screw assembly | |
| CN209611279U (en) | A kind of screw steel plate system for spinous process of axis | |
| CN208958308U (en) | The universal unidirectional unification pedicle of vertebral arch screw of vertebral column minimally invasive nails on nail system | |
| CN204446072U (en) | A kind of intervertebral space elasticity struts inner fixing device | |
| CN202477834U (en) | Universal pedicle screw | |
| CN209661766U (en) | A kind of screw steel plate system for being fixed in posterior approach for axis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Spin distraction spinal trauma internal fixation system Effective date of registration: 20220629 Granted publication date: 20140709 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: SHANGHAI REACH MEDICAL INSTRUMENT Co.,Ltd. Registration number: Y2022310000103 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |