CN107007320A - Free switching mill bone tool and the minimally invasive equipment for inhaling bone tool - Google Patents
Free switching mill bone tool and the minimally invasive equipment for inhaling bone tool Download PDFInfo
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- CN107007320A CN107007320A CN201710301301.1A CN201710301301A CN107007320A CN 107007320 A CN107007320 A CN 107007320A CN 201710301301 A CN201710301301 A CN 201710301301A CN 107007320 A CN107007320 A CN 107007320A
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- Prior art keywords
- bone tool
- mill
- bone
- outer tube
- minimally invasive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1628—Motors; Power supplies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00836—Material properties corrosion-resistant
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00862—Material properties elastic or resilient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B2017/1602—Mills
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Surgical Instruments (AREA)
Abstract
This application discloses the minimally invasive equipment of a kind of free switching mill bone tool and suction bone tool, including manually operated pipe, the manually operated pipe offers cylindrical cavities along its axial direction, group rod and the endoscope being arranged side by side with the cylindrical cavities are protruded out in the manually operated pipe, also include inhaling bone tool and mill bone tool, the suction bone tool includes the first outer tube, first outer tube has protruded out many elasticity mill spicules along its axial direction, first outer tube can be inserted into the cylindrical cavities and be slid axially along it, the suction bone tool includes the second outer tube, flexible rubber inner tube is protruded out at the second outer tube axle center, one end end face that the elastic caoutchouc inner tube is located at second outside pipe is soft rubber circle, the other end is connected with the second air extractor, second outer tube can be inserted into the cylindrical cavities and be slid axially along it.The advantage of the invention is that the affected part that can not only go directly grinds off hyperplasia vertebra, it can also quickly switch to inhale bone tool and will be close to the bone shell of nerve and inhale backward so that bone shell no longer pressuring nerve.
Description
Technical field
The application is related to a kind of medicine equipment, more particularly to a kind of free switching mill bone tool and minimally invasive the setting for inhaling bone tool
It is standby.
Background technology
Increasing people has osteoproliferation now, there is how to treat the problem of always studying after osteoproliferation.
The content of the invention
It is an object of the invention to provide the minimally invasive equipment of a kind of free switching mill bone tool and suction bone tool, it can not only go directly
Affected part grinds off hyperplasia vertebra, can also quickly switch to inhale bone tool will be close to nerve bone shell inhale backward so that bone shell is no longer
Pressuring nerve.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application discloses a kind of free switching mill bone tool and inhales the minimally invasive equipment of bone tool, including manually operated
Pipe, the manually operated pipe is offered along its axial direction and protruded out and the cylindrical cavities in cylindrical cavities, the manually operated pipe
What is be arranged side by side dials rod and endoscope, in addition to inhales bone tool and mill bone tool, and the suction bone tool is included outside the first outer tube, described first
Pipe has protruded out many elasticity mill spicules along its axial direction, and first outer tube can be inserted into the cylindrical cavities and be slid axially along it,
The suction bone tool includes protruding out flexible rubber inner tube, the elastic caoutchouc inner tube at the second outer tube, the second outer tube axle center
One end end face positioned at second outside pipe is soft rubber circle, and the other end is connected with the second air extractor, described
Second outer tube can be inserted into the cylindrical cavities and be slid axially along it.
It is preferred that, in the minimally invasive equipment of above-mentioned free switching mill bone tool and suction bone tool, the mill bone tool bottom is set
Limited location device.
It is preferred that, in the minimally invasive equipment of above-mentioned free switching mill bone tool and suction bone tool, the suction bone tool bottom is set
Limited location device.
It is preferred that, in the minimally invasive equipment of above-mentioned free switching mill bone tool and suction bone tool, the elasticity mill spicule material
For hard alloy.
It is preferred that, in the minimally invasive equipment of above-mentioned free switching mill bone tool and suction bone tool, the every elasticity mill spicule
Slidably in first outer tube.
It is preferred that, in the minimally invasive equipment of above-mentioned free switching mill bone tool and suction bone tool, the elasticity mill spicule is located at
The end face of first outside pipe is parabola or sphere.
It is furthermore preferred that in the minimally invasive equipment of above-mentioned free switching mill bone tool and suction bone tool, the parabola or sphere
Depth is 0.2mm-0.4mm, and the elasticity mill spicule vibration amplitude is 1mm-4mm.
It is preferred that, in the minimally invasive equipment of above-mentioned free switching mill bone tool and suction bone tool, in addition to magnetcisuspension suspension motor, institute
State the magnetcisuspension suspension motor driving elasticity mill spicule.
Compared with prior art, the advantage of the invention is that：
Endoscope can observe operation, and marrow and nerve root can be pushed aside by dialling rod, it is possible to achieve manually operated pipe goes directly
At osteoproliferation, by the setting of cylindrical cavities, mill bone tool and suction bone tool can be inserted freely into or extract, on demand will insertion
Corresponding utensil, mill spicule can grind off hyperplasia vertebra, and the bone shell for being close to nerve can be suctioned out by inhaling bone tool, final to realize
Complete operation.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show the structural representation that bone tool is ground in the specific embodiment of the invention；
Fig. 2 show the structural representation that spicule is ground in the specific embodiment of the invention；
Fig. 3 show the structural representation that bone tool is inhaled in the specific embodiment of the invention；
Fig. 4 show the minimally invasive device structure signal of free switching mill bone tool and suction bone tool in the specific embodiment of the invention
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, detailed retouch is carried out to the technical scheme in the embodiment of the present invention
State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
With reference to shown in Fig. 1-2, mill bone tool 100, including the first outer tube 110, magnetcisuspension suspension motor, the end face of the first outer tube 110
A branch of mouth 130 is offered at axle center, in addition to ties up at the internal axis of the first outer tube 110 many elasticity mill bones of fasciculation
Pin 120, every elasticity mill spicule 120 extends to the outside of beam mouthful 130 and away from the axial line deviation of the first outer tube 110, fasciculation
Many elasticity mill spicules 120 tightened up at beam mouthfuls 130, every elasticity mill spicule 120 is slidably in the first outer tube 110
Portion, magnetcisuspension suspension motor driving elasticity mill spicule 120 shakes.
Fasciculation is tied up by the way that many elasticity are ground into spicule, in the first outer tube, due to the presence of beam mouthful, elasticity mill
Spicule keeps axially in parallel with the first outer tube, when real work, and elasticity mill spicule is released from beam mouthful position, due to elasticity mill
Spicule is flexible in itself and to away from the axial deviation of the first outer tube, so elasticity mill spicule can be expanded outwardly automatically, due to
Every elasticity mill spicule slidably, can thus realize that one end of elasticity mill spicule mill bone constitutes diversified shape
Shape realizes the mill bone for different hyperplasia vertebras, and magnetcisuspension suspension motor driving elasticity mill spicule can be reachable with the vibrations frequency per minute
30000 times or so, effectively grind off hyperplasia vertebra.
Further, elasticity mill spicule 120 material is hard alloy.
Elasticity mill spicule uses hard alloy, with hardness is high, wear-resisting, intensity and toughness preferable, heat-resisting, corrosion-resistant etc. one
Serial premium properties.
Further, its outside elasticity mill spicule 120 of the deviation angle of many elasticity mill spicules 120 of fasciculation is more than
Its internal elasticity mill spicule 120.
The angle of its outside deviation is big, and can be ground in pencil can preferably outside divergence, formation when spicule integrally stretches out
Mill spicule deviation inside diversified shape, pencil is minimum, almost without deviation.
Further, the end face that elasticity mill spicule 120 is located at outside the first outer tube 110 is parabola or sphere 121.
Hyperplasia vertebra can more preferably be ground off using parabola or sphere.
Further, the depth of sphere 121 is 0.2mm-0.4mm, and elasticity mill spicule 120 vibration amplitude is 1mm-4mm.
Be preferred to use above-mentioned technical indicator, through experiment can be best grind off hyperplasia vertebra.
Further, elasticity mill spicule 120 quantity is 10-50 roots.
Further, many elasticity mill spicules 120 of fasciculation are provided with evacuation tube at axle center, and evacuation tube is slidably
In the inside of the first outer tube 110 and extend to outside beam mouthful 130.
Evacuation tube can will suction out bone meal elasticity mill spicule after hyperplasia vertebra grinds, be unlikely to stay in wound
Portion, is impacted.
Further, one end that evacuation tube is located inside the first outer tube 110 is connected with the first air extractor.
With reference to shown in Fig. 3, bone tool 200 is inhaled, including the second outer tube 210, the inside of the second outer tube of insertion 210 and along outside second
The elastic caoutchouc inner tube 220 of the axis of pipe 210 slidably, the outer wall of elastic caoutchouc inner tube 220 is held in the interior of the second outer tube 210
Wall, one end end face of elastic caoutchouc inner tube 220 is soft rubber circle 230, and elastic caoutchouc inner tube 220 is located at soft rubber circle 230
One end in be implanted with many elastic wires 240 arranged side by side, elastic wire 240 is parallel to the axial line of the second outer tube 210, elastic wire
240 one end for being located at soft rubber circle 230 deviate from the axial line deviation of the second outer tube 210, and elastic caoutchouc inner tube 220 deviates from soft rubber
One end of cushion rubber 230 is connected with the second air extractor.
Second outer tube is inserted by elastic caoutchouc inner tube, soft rubber circle is in the second outer tube due to being held in second
Outer tube, it is impossible to open, elastic caoutchouc inner tube releases soft rubber circle after the second outer tube, due to depositing for interplantation elastic wire
Soft rubber circle is being scattered expansion automatically, it is relevant with stretching length to expand size, controlling soft rubber according to actual needs
The size expanded is enclosed, bone shell is then touched, is inhaled bone shell backward by air extractor until bone shell is not in compressing cervical vertebra nerve.
Further, the quantity of elastic wire 240 is 10-15 roots.
Further, the quantity of elastic wire 240 is 12.
Further, a diameter of 4-5mm of the second outer tube 210.
Further, a diameter of 3-4mm of elastic caoutchouc inner tube 220.
Further, flexible a diameter of 3-9mm of soft rubber circle 230.
With reference to shown in Fig. 1-4, free switching mill bone tool and the minimally invasive equipment 300 for inhaling bone tool, including manually operated pipe 310,
Manually operated pipe 310 is offered along its axial direction and protruded out in cylindrical cavities 311, manually operated pipe 310 with cylindrical cavities 311 side by side
What is set dials rod 320 and endoscope 330, in addition to inhales bone tool 200 and mill bone tool 100, and mill bone tool 100 includes the first outer tube 110,
First outer tube 110 along its axial direction protruded out many elasticity mill spicules 120, the first outer tube 110 can be inserted into cylindrical cavities 311 and along its
Slide axially, inhaling bone tool 200 includes protruding out flexible rubber inner tube 220 at the second outer tube 210, the axle center of the second outer tube 210, elasticity
One end end face that rubber inner tube 220 is located at outside the second outer tube 210 is soft rubber circle 230, and the other end is connected with second
Air extractor, the second outer tube 210 can be inserted into cylindrical cavities 311 and be slid axially along it.
Endoscope can observe operation, and marrow and nerve root can be pushed aside by dialling rod, it is possible to achieve manually operated pipe goes directly
At osteoproliferation, by the setting of cylindrical cavities, mill bone tool and suction bone tool can be inserted freely into or extract, on demand will insertion
Corresponding utensil, mill spicule can grind off hyperplasia vertebra, and the bone shell for being close to nerve can be suctioned out by inhaling bone tool, final to realize
Complete operation.
Further, 100 bottoms of mill bone tool are provided with stopping means.Inhale 200 bottoms of bone tool and be provided with stopping means.
Stopping means can cause mill bone tool and suction bone tool to be unlikely to insertion and take an advanced study into very much danger.
Further, elasticity mill spicule 120 material is hard alloy.
Further, every elasticity mill spicule 120 is slidably inside the first outer tube 110.
Further, the end face that elasticity mill spicule 120 is located at outside the first outer tube 110 is parabola or sphere 121.
Further, the depth of sphere 121 is 0.2mm-0.4mm, and elasticity mill spicule 120 vibration amplitude is 1mm-4mm.
Further, in addition to magnetcisuspension suspension motor, magnetcisuspension suspension motor driving elasticity mill spicule 120.
The concrete operation step of the said equipment is as follows：
First, an aperture is bored on patient's corresponding site, and an operation technique wicket is opened on lamina, this is sent out
In bright equipment insertion aperture, by X-ray location equipment and endoscope, marrow and nerve root are pushed aside with rod is dialled, by manually operated pipe
At through osteoproliferation；
2nd, insertion mill bone has first in cylindrical cavities, and the elasticity that mill bone tool is set by pencil grinds spicule by protuberance
Position is polished, and power source is used as by magnetcisuspension suspension motor, and elasticity grinds the spicule vibrations frequency per minute up to 30000 times or so, with reference to
Elasticity mill spicule top vibration amplitude and sphere are set, and can effectively grind off hyperplasia vertebra.Because every elasticity mill spicule can be with
Independent control, can be stretched out according to elasticity mill spicule number control to polish area；According to the velocity of vibration of elasticity mill spicule
To control the speed for grinding bone；Control to polish the shape of contact surface according to the elasticity different extension elongation of mill spicule, it is possible to achieve
Diversified shape：Such as elasticity mill spicule can constitute drill-shape (only need to stretch out pencil center to beat size bone hole
Several elasticity mill spicules, remaining elasticity mill spicule do not stretch out), a plane can also be constituted to grind off top layer hyperplasia vertebra
(only the elasticity mill spicule of stretching need to be reached into unified plane), can also constitute a convex surface to grind off prominent hyperplasia vertebra
(center elasticity need to only be ground to spicule and stretch out more, outside is stretched out a little less i.e. achievable).Then by evacuation tube by bullet
Property the lower bone meal of mill spicule mill extract out, leave and be close to the neural bone shell of cervical vertebra.
3rd, in order to give cervical vertebra nerve decompression, mill bone tool is extracted, bone tool is inhaled in insertion, with the soft rubber circle inhaled on bone tool
Touch after bone shell and to be stretched outward by air extractor, until cervical vertebra nerve is no longer influenced by the compressing of bone shell, even and if bone shell is past
Bone shell is suctioned through after inhaling afterwards, influence is there will not be on patient, operation is completed, and sticks bandage.
Have as follows a little when being performed the operation using the said equipment：
This equipment has got around nervus vasculairs etc. when performing the operation, and reduces operation risk；
Positioned by X-ray, starting an aperture can complete, operation precision is high, the bone structure of cervical vertebra will not be caused to damage
Wound, rehabilitation is fast；
This equipment can be used for various problems, such as top layer splint bone, spherical cervical vertebra splint bone protrusion, single-unit or more piece neck bone
Spinal canal stenosis, Cervical Disk Herniation etc. caused by matter hyperplasia.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (8)
1. a kind of free switching mill bone tool and the minimally invasive equipment for inhaling bone tool, it is characterised in that described manual including manually operated pipe
Operation pipe is offered along its axial direction to be protruded out and dialling that the cylindrical cavities are arranged side by side in cylindrical cavities, the manually operated pipe
Rod and endoscope, in addition to bone tool and mill bone tool are inhaled, the suction bone tool includes the first outer tube, and first outer tube is axially convex along it
Stretching has many elasticity mill spicules, and first outer tube can be inserted into the cylindrical cavities and be slid axially along it, the suction bone tool bag
Include and flexible rubber inner tube is protruded out at the second outer tube, the second outer tube axle center, the elastic caoutchouc inner tube is located at described second
One end end face of outside pipe is soft rubber circle, and the other end is connected with the second air extractor, and second outer tube can be inserted
Enter the cylindrical cavities and slid axially along it.
2. free switching mill bone tool according to claim 1 and the minimally invasive equipment for inhaling bone tool, it is characterised in that the mill bone
Tool bottom is provided with stopping means.
3. free switching mill bone tool according to claim 1 and the minimally invasive equipment for inhaling bone tool, it is characterised in that the suction bone
Tool bottom is provided with stopping means.
4. free switching mill bone tool according to claim 1 and the minimally invasive equipment for inhaling bone tool, it is characterised in that the elasticity
It is hard alloy to grind spicule material.
5. free switching mill bone tool according to claim 1 and the minimally invasive equipment for inhaling bone tool, it is characterised in that described in every
Elasticity mill spicule is slidably in first outer tube.
6. free switching mill bone tool according to claim 1 and the minimally invasive equipment for inhaling bone tool, it is characterised in that the elasticity
Grind spicule and be located at the end face of first outside pipe for parabola or sphere.
7. free switching mill bone tool according to claim 6 and the minimally invasive equipment for inhaling bone tool, it is characterised in that the parabolic
Face or sphere depth are 0.2mm-0.4mm, and the elasticity mill spicule vibration amplitude is 1mm-4mm.
8. free switching mill bone tool according to claim 1 and the minimally invasive equipment for inhaling bone tool, it is characterised in that also including magnetic
Suspension motor, the magnetcisuspension suspension motor driving elasticity mill spicule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301301.1A CN107007320A (en) | 2017-05-02 | 2017-05-02 | Free switching mill bone tool and the minimally invasive equipment for inhaling bone tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301301.1A CN107007320A (en) | 2017-05-02 | 2017-05-02 | Free switching mill bone tool and the minimally invasive equipment for inhaling bone tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107007320A true CN107007320A (en) | 2017-08-04 |
Family
ID=59447288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710301301.1A Pending CN107007320A (en) | 2017-05-02 | 2017-05-02 | Free switching mill bone tool and the minimally invasive equipment for inhaling bone tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107007320A (en) |
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2017
- 2017-05-02 CN CN201710301301.1A patent/CN107007320A/en active Pending
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Youquan Inventor before: Guo Youquan Inventor before: Gong Zhenqi |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |
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| RJ01 | Rejection of invention patent application after publication |