CN204158459U - Be convenient to the surgical knife regulating cutter head bending degree - Google Patents
Be convenient to the surgical knife regulating cutter head bending degree Download PDFInfo
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- CN204158459U CN204158459U CN201420580671.5U CN201420580671U CN204158459U CN 204158459 U CN204158459 U CN 204158459U CN 201420580671 U CN201420580671 U CN 201420580671U CN 204158459 U CN204158459 U CN 204158459U
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- cutter pipe
- outer cutter
- pipe
- convenient
- cutter
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- 238000005452 bending Methods 0.000 title claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 title claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 210000004247 hand Anatomy 0.000 description 6
- 210000003811 finger Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of surgical knife being convenient to regulate cutter head bending degree, comprise outer cutter pipe, to be located in described outer cutter pipe and can with cutter pipe in described outer cutter pipe coaxial rotation, the bent cutter head be all connected with the first end of described interior cutter pipe and the first end of described outer cutter pipe, be fixed on the connector of described outer cutter pipe second end, be fixed on the governor motion on described outer cutter pipe, and to be connected with described governor motion and to be set in the control valve on outer cutter pipe, described governor motion comprises dialling with described interior cutter pipe and the equal out-of-alignment of outer cutter pipe to be turned round.This utility model adopts dials with cutter out-of-alignment the adjustment twisting into row bending degree, and will dial the position turned round and be arranged on and hold hands ten and refer to, singlehanded can carry out holding and the adjustment of cutter, structure is simple, easy to operate.
Description
Technical field
This utility model relates to a kind of operation cutter, particularly relates to a kind of surgical knife being convenient to regulate cutter head bending degree.
Background technology
Clinically, some need to rely on external impetus, and to carry out organizing open surgical methods cutter to have several as follows, and 1, the not bent cutter of cutter head, its work area is little, can adapt to type of surgery few; 2, the cutter that cutter head is bent, but the radian of its bending is non-adjustable, still there is the defect that subject range is narrow; 3, the cutter of scalable bending amplitude, at present, there is the cutter of bending radian governor motion, its regulate turn turn round with cutter coaxial, in use, need a hands to hold cutter, another hands goes regulating rotary to turn round to control the bending degree of cutter head to operator, not vacant hands goes to regulate the operation such as the visual field, operation is carried out very inconvenient.
Utility model content
The technical problem that this utility model mainly solves is to provide a kind of surgical knife being convenient to regulate cutter head bending degree, adopt and dial with cutter out-of-alignment the adjustment twisting into row bending degree, and will the position turned round and be arranged on and hold hands forefinger be dialled, singlehanded can carry out holding and the adjustment of cutter, structure is simple, easy to operate.
For solving the problems of the technologies described above, the technical scheme that this utility model adopts is: provide a kind of surgical knife being convenient to regulate cutter head bending degree, comprise outer cutter pipe, to be located in described outer cutter pipe and can with cutter pipe in described outer cutter pipe coaxial rotation, the bent cutter head be all connected with the first end of described interior cutter pipe and the first end of described outer cutter pipe, be fixed on the connector of described outer cutter pipe second end, be fixed on the governor motion on described outer cutter pipe, and to be connected with described governor motion and to be set in the control valve on outer cutter pipe, described governor motion comprises dialling with described interior cutter pipe and the equal out-of-alignment of outer cutter pipe to be turned round.
Further, the axis of described group of knob is substantially vertical with the axis of described outer cutter pipe.
Further, the axis 7-30mm of the outer cutter pipe of end face distance near described outer cutter pipe side is turned round for described group.
Further, described governor motion also comprises support, trace, seesaw and rotating shaft, the first end of described support is fixed on described outer cutter pipe, described trace activity is located in the second end of described support, turn round for described group and to be set on described trace and to be positioned at the second end of described support inner, the two ends of described seesaw are fixed with the upper end of described trace and the first end of described control valve respectively, and described seesaw is flexibly connected with support by rotating shaft.
Further, turn round and be threaded with described trace for described group.
Further, the two ends of described seesaw are set to arcuate structure, and the upper end of described trace and the first end of control valve are provided with draw-in groove, the arcuate structure at described seesaw two ends respectively with the draw-in groove corresponding matching on trace and control valve.
Further, described connector is provided with the locating slot that the described outer cutter pipe of restriction moves axially and the U-lag limiting the rotary motion of described outer cutter pipe.
A kind of surgical knife being convenient to adjustment cutter head bending degree, comprise outer cutter pipe, to be located in described outer cutter pipe and can with cutter pipe in described outer cutter pipe coaxial rotation, the bent cutter head be all connected with the first end of described interior cutter pipe and the first end of described outer cutter pipe, be fixed on the connector of described outer cutter pipe second end, be fixed on the governor motion on described outer cutter pipe, and to be connected with described governor motion and to be set in the control valve on outer cutter pipe, described bent cutter head comprises bistrique, connecting rod and driving shaft, described bistrique is connected with driving shaft clearance fit by connecting rod, described driving shaft is connected with the first end of described interior cutter pipe.
Further, described connecting rod is in " work " font.
Further, the accessory body that described outer cutter pipe comprises outer cutter tube body and is connected with described subject activity, and described accessory body is flexibly connected with described control valve by double-head hinge bar.
This utility model devises a kind ofly dials with cutter out-of-alignment the adjustment twisting into row bending degree, and will the position turned round and be arranged on and hold hands ten and refer to be dialled, singlehanded can carry out holding and the adjustment of cutter, devise a kind of bent cutter head in addition, by governor motion move up and down be converted into control valve move left and right finally make cutter head bend be convenient to perform the operation carrying out, structure is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is the partial schematic diagram that this utility model is convenient to the surgical knife regulating cutter head bending degree.
Fig. 2 is the structural representation of adjustment structure of the present utility model.
Fig. 3 is the structural representation of this utility model medium-height trestle.
Fig. 4 is the structural representation of seesaw in this utility model.
Fig. 5 is partial schematic diagram of the present utility model.
Fig. 6 is the structural representation of bistrique in this utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth this utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not apart from spirit and scope of the present utility model, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
Embodiment 1
Please refer to shown in Fig. 1 and Fig. 5, this utility model is convenient to regulate the surgical knife of cutter head bending degree to comprise: outer cutter pipe 1, interior cutter pipe 2, bent cutter head 3, connector 4, governor motion 5 and control valve 6.
Described interior cutter pipe 2 to be located in described outer cutter pipe 1 and can with described outer cutter pipe 1 coaxial rotation, described bent cutter head 3 is all connected with the first end of described interior cutter pipe 2 and the first end of described outer cutter pipe 1, described connector 4 is fixed on described outer cutter pipe 2 second end, described governor motion 5 is fixed on described outer cutter pipe 1, and described control valve 6 is connected with described governor motion 5 and is set on outer cutter pipe 1.
Shown in Fig. 1 and Fig. 2, described governor motion 5 comprise dial turn round 51, support 52, trace 53, seesaw 54 and rotating shaft (scheming not shown), turn round 51 and described interior cutter pipe 2 and outer cutter pipe 1 all disalignments for described group, the axis of described group of knob 51 is substantially vertical with the axis of described outer cutter pipe 1.The described group of axis 7-30mm turning round the outer cutter pipe 1 of 51 end face distances near described outer cutter pipe 1 side.Specifically, described governor motion 5 is arranged on the outside of connector 4 and outer cutter pipe 1, turn round 51 for described group and be arranged on the upper end of governor motion 5 rearward, and be positioned at the rear end of whole cutter, mainly being convenient to user when performing the operation, can stirring with finger and turning round 51 and regulate, avoid common governor motion 5 is arranged with outer cutter pipe 1 coaxial, just need can carry out with two handss the inconvenience that regulates during operation, thus the practicality very that seems.It should be noted that, the axis of described group of knob 51 is substantially vertical with the axis of described outer cutter pipe 1, refer to described dial that the axis turning round 51 arranges with described outer cutter pipe 1 as much as possible axial vertical, conveniently stir and turn round 51, but in actual production, some errors can be there are unavoidably, described dialling is made to turn round the axis of 51 and the axis out of plumb of outer cutter pipe 1, but also can not affect use, or in actual applications for meeting human engineering, need inclination slight for axis, so, turn round in 51 scopes can stirred with the finger of the hands taking cutter person easy to use as long as being meant to of this word can ensure to dial, and trace 53 can be driven to move up and down.
Please refer to shown in Fig. 2, Fig. 3 and Fig. 4, the first end of described support 52 is fixed on described outer cutter pipe 1, the activity of described trace 53 is located in the second end of described support 52, turn round 51 for described group to be set on described trace 53 and to be positioned at the second end of described support 52 inner, the two ends of described seesaw 54 are fixed with the upper end of described trace 53 and the first end of described control valve 6 respectively, and described seesaw 54 is flexibly connected with support 52 by rotating shaft.Specifically, the first end of described support 52 is fixed on outer cutter pipe 1 to be held tightly, second end of described support 52 is set to a flat jaws, the lateral symmetry up and down of described jaws is provided with a through hole 521, turn round 51 for described group to be set on described trace 53 and to be threaded connection, the two ends of described trace 53 are movably arranged on support 52 through two through holes 521 in jaws.Described seesaw 54 is overall curved, its two ends are set to arcuate structure 541, described arcuate structure 541 takes the shape of the letter U, the upper end of described trace 53 and the first end of control valve 6 are provided with draw-in groove 7, the arcuate structure 541 at described seesaw 54 two ends respectively with draw-in groove 7 corresponding matching on trace 53 and control valve 6.The middle part of described seesaw 54 is provided with perforation 542, and upper end, the middle part correspondence of described support 52 is provided with and turns hole 522, and described rotating shaft is located in described perforation 542 and turns in hole 522 and is flexibly connected with support 52 by described seesaw 54.Namely when described group turn round 51 rotations drive traces 53 move up and down time, moving up and down of trace 53, around axis of rotation, is converted into moving left and right of control valve 6 by seesaw 54.It should be noted that, described draw-in groove 7 is strip and coordinates with the two ends of seesaw 54, to make the two ends of described seesaw 54 do parabolic motion, finally smooth moving up and down of trace 53 is converted into moving left and right of control valve 6.
Shown in Fig. 1 and Fig. 2, described connector 4 is provided with the locating slot 41 that the described outer cutter pipe 1 of restriction moves axially and the U-lag 42 limiting the rotary motion of described outer cutter pipe 1.Specifically, the ring wall of described connector 4 is provided with locating slot 41 for being connected with driving device to reach the axial location of connector 4, because described connector 4 is fixed on described outer cutter pipe 1, be connected with driving device by the locating slot 41 that described connector 4 is arranged, limit moving axially of described outer cutter pipe 1 and described connector 4.Described connector 4 is provided with the U-lag 42 rotating location for described connector 4, specifically, described connector 4 is connected with driving device by described two U-lags 42, again because described connector 4 is fixed on described outer cutter pipe 1, so described U-lag 42 not only limit connector 4 rotating relative to driving device connecting portion after connecting with driving device, also limit outer cutter pipe 1 rotating relative to driving device connecting portion.
Embodiment 2
Please refer to shown in Fig. 1 and Fig. 5, this utility model is convenient to regulate the surgical knife of cutter head bending degree to comprise: outer cutter pipe 1, interior cutter pipe 2, bent cutter head 3, connector 4, governor motion 5 and control valve 6.
Described interior cutter pipe 2 to be located in described outer cutter pipe 1 and can with described outer cutter pipe 1 coaxial rotation, described bent cutter head 3 is all connected with the first end of described interior cutter pipe 2 and the first end of described outer cutter pipe 1, described connector 4 is fixed on described outer cutter pipe 2 second end, described governor motion 5 is fixed on described outer cutter pipe 1, and described control valve 6 is connected with described governor motion 5 and is set on outer cutter pipe 1.
Please refer to shown in Fig. 5, described bent cutter head 3 comprises bistrique 31, connecting rod 32 and driving shaft 33, and described bistrique 31 is connected with driving shaft 33 clearance fit by connecting rod 32, and described driving shaft 33 is connected with the first end of described interior cutter pipe 2.Specifically, the link of described bistrique 31 and the second end of described driving shaft 33 are respectively equipped with arcuate groove 34, described connecting rod 32 is in " work " font, its two ends are elongated and side is the cylinder of cambered surface, the two ends of described connecting rod 32 to be movably arranged in two arcuate grooves 34 to make described bistrique 31 can have a certain degree with described driving shaft 33 respectively, namely reach the object of bending.
The accessory body 12 that described outer cutter pipe 1 comprises outer cutter tube body 11 and is flexibly connected with described main body 11, and described accessory body 12 is flexibly connected with described control valve 6 by double-head hinge bar 13.Specifically, described accessory body 12 is flexibly connected with a part for described outer cutter tube body 11, and all the other non-coupling parts are set to opening, and namely described accessory body 12 can rotate around junction.The two ends of described double-head hinge bar 13 respectively with described accessory body 12 and described control valve 6 hinged, namely two hinged places all can rotate relatively.When control valve 6 moves to accessory body 12 direction, namely described double-head hinge bar 13 is promoted, double-head hinge bar 13 just promotes accessory body 12, now, described double-head hinge bar 13 rotates relative to described outer cutter tube body 11, described accessory body 12 rotates relative to described double-head hinge bar 13, finally makes described accessory body 12 rotate around the junction with outer cutter tube body 11.
Shown in Fig. 5 and Fig. 6, described cutter head 3 is provided with annular groove 35, described outer cutter pipe 1 is provided with the fixing hole 14 corresponding with described annular groove 35, described annular groove 35 and by steady pin (scheming not shown), cutter head 3 is fixing to make described cutter head 3 have the single rotary freedom coaxial with outer cutter pipe 1 with outer cutter pipe 1 with corresponding fixing hole 14.Specifically, the bistrique 31 of described cutter head 3 and driving shaft 33 are equipped with annular groove 35, described outer cutter tube body 11 and described accessory body 12 are respectively equipped with fixing hole 14, described fixing hole 14 is corresponding with described annular groove 35 and by steady pin, cutter head 3 is fixing to make described cutter head 3 have the single rotary freedom coaxial with outer cutter pipe 1 with outer cutter pipe 1, namely described cutter head 3 and described interior cutter pipe 2 still can under the drive of driving device mutually external cutter pipe 1 rotate.
Embodiment 3
Please refer to shown in Fig. 1, Fig. 2 and Fig. 5, this utility model is convenient to regulate the preferred embodiment of the surgical knife of cutter head bending degree to comprise: outer cutter pipe 1, interior cutter pipe 2, bent cutter head 3, connector 4, governor motion 5 and control valve 6.
Described interior cutter pipe 2 to be located in described outer cutter pipe 1 and can with described outer cutter pipe 1 coaxial rotation, described bent cutter head 3 is all connected with the first end of described interior cutter pipe 2 and the first end of described outer cutter pipe 1, described connector 4 is fixed on described outer cutter pipe 2 second end, described governor motion 5 is fixed on described outer cutter pipe 1, and described control valve 6 is connected with described governor motion 5 and is set on outer cutter pipe 1.
Described governor motion 5 comprise dial turn round 51, support 52, trace 53, seesaw 54 and rotating shaft (scheming not shown), turn round 51 and described interior cutter pipe 2 and outer cutter pipe 1 all disalignments for described group, the axis of described group of knob 51 is substantially vertical with the axis of described outer cutter pipe 1.The first end of described support 52 is fixed on described outer cutter pipe 1, the activity of described trace 53 is located in the second end of described support 52, turn round 51 for described group to be set on described trace 53 and to be positioned at the second end of described support 52 inner, the two ends of described seesaw 54 are fixed with the upper end of described trace 53 and the first end of described control valve 6 respectively, and described seesaw 54 is flexibly connected with support 52 by rotating shaft.The other the same as in Example 1.
Described bent cutter head 3 comprises bistrique 31, connecting rod 32 and driving shaft 33, and described bistrique 31 is connected with driving shaft 33 clearance fit by connecting rod 32, and described driving shaft 33 is connected with the first end of described interior cutter pipe 2.The accessory body 12 that described outer cutter pipe 1 comprises outer cutter tube body 11 and is flexibly connected with described main body 11, and described accessory body 12 is flexibly connected with described control valve 6 by double-head hinge bar 13.The other the same as in Example 2.
Before use, cutter head 3 is in its straight state, in operation, if desired cutter head 3 is bent certain angle to be convenient to cutting, then available finger is stirred and is turned round 51, trace 53 opposite brackets 52 is moved down, now, the link of seesaw 54 and trace 53 moves down along with trace 53, because seesaw 54 is connected by rotating shaft with support 52, so the route parabolically shape that seesaw 54 moves downward with the link of trace 53, namely described seesaw 54 and the link of trace 53 are not only along with trace 53 moves downward, and described seesaw 54 also moves along the strip draw-in groove 7 of described trace 53 upper end with the link of trace 53.Accordingly, the link of described seesaw 54 and control valve 6 is according to seesaw principle, also parabolic motion is done, namely described seesaw 54 and the link of control valve 6 not only promote the mutually external cutter pipe 1 of control valve 6 and move towards the direction of cutter head 3, but also move along the strip draw-in groove 7 on described control valve 6.
When the mutually external cutter pipe 1 of described control valve 6 moves towards the direction of cutter head 3, promote double-head hinge bar 13, namely double-head hinge bar 13 promotes described accessory body 12, again because described accessory body 12 is flexibly connected with outer cutter tube body 11, so described accessory body 12 can bend with the junction of described outer cutter tube body 11 with described accessory body 12, now, described bistrique 31 and described driving shaft 33 synchronously bend with outer cutter tube body 11 and accessory body 12 under the cooperation of connecting rod 32 with arcuate groove 34.The amplitude of its bending controls by dialling the number of turns turning round 51 rotations.
Above the implementation that specific embodiments is described is intended to specific descriptions of the present utility model, can not be interpreted as it is to restriction of the present utility model, those skilled in the art are under instruction of the present utility model, can make various variant on the embodiment basis described in detail, these variants all should be included within design of the present utility model.This utility model scope required for protection only will be stated by described right and limit.
Claims (10)
1. be convenient to the surgical knife regulating cutter head bending degree for one kind, it is characterized in that: comprise outer cutter pipe, to be located in described outer cutter pipe and can with cutter pipe in described outer cutter pipe coaxial rotation, the bent cutter head be all connected with the first end of described interior cutter pipe and the first end of described outer cutter pipe, be fixed on the connector of described outer cutter pipe second end, be fixed on the governor motion on described outer cutter pipe, and to be connected with described governor motion and to be set in the control valve on outer cutter pipe, described governor motion comprises dialling with described interior cutter pipe and the equal out-of-alignment of outer cutter pipe to be turned round.
2. the surgical knife being convenient to adjustment cutter head bending degree according to claim 1, is characterized in that: the axis of described group of knob is substantially vertical with the axis of described outer cutter pipe.
3. be according to claim 1ly convenient to the surgical knife regulating cutter head bending degree, it is characterized in that: the described group of axis 7-30mm turning round the outer cutter pipe of end face distance near described outer cutter pipe side.
4. the surgical knife being convenient to adjustment cutter head bending degree according to claim 1, it is characterized in that: described governor motion also comprises support, trace, seesaw and rotating shaft, the first end of described support is fixed on described outer cutter pipe, described trace activity is located in the second end of described support, turn round for described group and to be set on described trace and to be positioned at the second end of described support inner, the two ends of described seesaw are fixed with the upper end of described trace and the first end of described control valve respectively, and described seesaw is flexibly connected with support by rotating shaft.
5. the surgical knife being convenient to adjustment cutter head bending degree according to claim 4, is characterized in that: turn round for described group and be threaded with described trace.
6. the surgical knife being convenient to adjustment cutter head bending degree according to claim 4, it is characterized in that: the two ends of described seesaw are set to arcuate structure, the upper end of described trace and the first end of control valve are provided with draw-in groove, the arcuate structure at described seesaw two ends respectively with the draw-in groove corresponding matching on trace and control valve.
7. the surgical knife being convenient to adjustment cutter head bending degree according to claim 1, is characterized in that: described connector is provided with the locating slot that the described outer cutter pipe of restriction moves axially and the U-lag limiting the rotary motion of described outer cutter pipe.
8. be convenient to the surgical knife regulating cutter head bending degree for one kind, it is characterized in that: comprise outer cutter pipe, to be located in described outer cutter pipe and can with cutter pipe in described outer cutter pipe coaxial rotation, the bent cutter head be all connected with the first end of described interior cutter pipe and the first end of described outer cutter pipe, be fixed on the connector of described outer cutter pipe second end, be fixed on the governor motion on described outer cutter pipe, and to be connected with described governor motion and to be set in the control valve on outer cutter pipe, described bent cutter head comprises bistrique, connecting rod and driving shaft, described bistrique is connected with driving shaft clearance fit by connecting rod, described driving shaft is connected with the first end of described interior cutter pipe.
9. the surgical knife being convenient to adjustment cutter head bending degree according to claim 8, is characterized in that: described connecting rod is in " work " font.
10. the surgical knife being convenient to adjustment cutter head bending degree according to claim 8, it is characterized in that: the accessory body that described outer cutter pipe comprises outer cutter tube body and is connected with described subject activity, and described accessory body is flexibly connected with described control valve by double-head hinge bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580671.5U CN204158459U (en) | 2014-10-09 | 2014-10-09 | Be convenient to the surgical knife regulating cutter head bending degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580671.5U CN204158459U (en) | 2014-10-09 | 2014-10-09 | Be convenient to the surgical knife regulating cutter head bending degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204158459U true CN204158459U (en) | 2015-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420580671.5U Active CN204158459U (en) | 2014-10-09 | 2014-10-09 | Be convenient to the surgical knife regulating cutter head bending degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204158459U (en) |
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2014
- 2014-10-09 CN CN201420580671.5U patent/CN204158459U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160414 Address after: 401120 Chongqing advertising industrial park, No. 18 Food City Avenue, Chongqing, Yubei District Patentee after: CHONGQING MAIDE FEIKUAI TECHNOLOGY Co.,Ltd. Address before: 401120, No. 2, Jinding Road, Chongqing, 4, 19-4, Yubei District Patentee before: Wu Yu |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180330 Address after: Guizhou Guizhou 563204 meters from the town of Chu City in Zunyi province Tongzi County Loushanguan high tech Industrial Development Zone 1 B building 3 floor Patentee after: GUIZHOU ZIRUI TECHNOLOGY CO.,LTD. Address before: 401120 Chongqing advertising industrial park, No. 18 Food City Avenue, Chongqing, Yubei District Patentee before: CHONGQING MAIDE FEIKUAI TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Yu Inventor before: Wu Yu Inventor before: Fan Weili |
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| CB03 | Change of inventor or designer information |