CN109701094A - A kind of swing type negative-pressure powder feeding device - Google Patents

A kind of swing type negative-pressure powder feeding device Download PDF

Info

Publication number
CN109701094A
CN109701094A CN201811642456.2A CN201811642456A CN109701094A CN 109701094 A CN109701094 A CN 109701094A CN 201811642456 A CN201811642456 A CN 201811642456A CN 109701094 A CN109701094 A CN 109701094A
Authority
CN
China
Prior art keywords
cone
cylinder
component
vertex
spinner handle
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
Application number
CN201811642456.2A
Other languages
Chinese (zh)
Other versions
CN109701094B (en
Inventor
蔡彦
欧锐辉
贺诗龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Kangzhi Medical Instrument Co Ltd
Original Assignee
Dongguan Kangzhi Medical Instrument Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Kangzhi Medical Instrument Co Ltd filed Critical Dongguan Kangzhi Medical Instrument Co Ltd
Priority to CN201811642456.2A priority Critical patent/CN109701094B/en
Publication of CN109701094A publication Critical patent/CN109701094A/en
Application granted granted Critical
Publication of CN109701094B publication Critical patent/CN109701094B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • External Artificial Organs (AREA)

Abstract

The present invention proposes a kind of swing type negative-pressure powder feeding device, including cone cylinder component, sealing cap assemblies, spinner handle component, switch valve module etc., the sealing cap assemblies, which are located at the top of cone cylinder component, to be located at the top of cone cylinder component using sealing cap assemblies described in glue connection using glue connection, and spinner handle component is mounted in cone cylinder component by sealing cap assemblies and switch valve module.The cone cylinder component includes cone cylinder, first vertex of a cone, cylinder and the first half opening;The switch valve module includes second vertex of a cone, cylindrical drum, hollow cylinder and the second half opening.First vertex of a cone and second vertex of a cone cooperate, and when spinner handle component turn makes the first half opening Chong Die with the second half opening, the opening of the present apparatus is opened.The present invention forms closed container using the cooperation between component, and powder could flow out when only providing negative pressure for opening position, can cooperate the functional requirement of drainage device of thoracic cavity;Pass through setting safety pin simultaneously, it is ensured that in that will not be inadvertently opened when device is not used, ensure safety.

Description

A kind of swing type negative-pressure powder feeding device
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of disposable swing type negative-pressure powder feeding device.
Background technique
During cardiac thoracic surgery, it usually needs excrete intrathoracic gas and liquid in time, need simultaneously The pressure in control thoracic cavity is in a reasonable range, ensures patient safety.Existing chest drainage method usually uses hand Work squeezes drainage tube and generates pressure difference and gas-liquid is excluded thoracic cavity, and this way is difficult to control reasonable pressure, and effect is poor.Also There are some ambition drainage devices, although excreting gas-liquid using the form that Negative pressure machine extracts, its pressure limit is difficult to adjust Section.The gas-liquid in thoracic cavity needs to exclude in time, while also needing effectively to control the expansion and contraction pressure in thoracic cavity all in safe model It encloses, it so just can be with effective guarantee operation safety.
The waste liquid released is needed with solidification powder curing.In order to cooperate drainage device of thoracic cavity to use, need to design one kind Safety, easy to use solidification powder adding set.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of disposable swing type negative-pressure powder feeding device, cooperations Drainage device of thoracic cavity uses, and conveniently, safely can add powder to drainage device of thoracic cavity.
The present invention provides a kind of swing type negative-pressure powder feeding device, and its technical solution is as follows shows.
A kind of swing type negative-pressure powder feeding device mainly includes cone cylinder component, sealing cap assemblies, spinner handle component and switch valve group Part etc., the sealing cap assemblies are mounted at the top of cone cylinder component, and sealing cap assemblies are connected with cone cylinder component, and spinner handle component passes through Sealing cap assemblies and switch valve module are mounted in cone cylinder component;The switch valve module is located at cone cylinder component internal;The cone Cartridge module includes cone cylinder, first vertex of a cone, cylinder and first half opening etc.;The cone cylinder is connected by first vertex of a cone with cylinder; First half opening is the opening on the first vertex of a cone surface.
Further, the sealing cap assemblies include closing disk, the first cylinder, blind hole and limited block etc.;First circle Cylinder is cylindrical hole;The first cylinder is located at the center of closing disk, closing disk and the first cylinder it is coaxially connected after, the first cylinder is still It is through-hole;Blind hole is the blind cylindrical hole in dome plate surface;Two limited blocks are symmetrical arranged in dome plate surface.
Further, the spinner handle component mainly includes semi-hemispherical end, spinner handle, support plate, knob, the soft item of connection, cylinder Pin and cylindrical hole etc.;The semi-hemispherical end, spinner handle and support plate are in turn connected to form one;Mirror image is arranged in support plate marginal surface Two knobs of distribution rotate spinner handle component by rotating knob.Soft one end of the connection is fixed on support plate side, even The other end for connecing soft item is fixed with straight pin;It connects soft item and belongs to soft material, it being capable of bending deformation;Circle is provided in support plate Post holes;Straight pin can be with cylindrical hole clearance fit.The semi-hemispherical end of the spinner handle component is located at switch valve module inner.
Further, the switch valve module includes second vertex of a cone, cylindrical drum, hollow cylinder and second half opening etc.;The The bottom edge of two vertex of a cones is connected with cylindrical drum;Second half opening is the opening on the second vertex of a cone surface;Hollow cylinder is fixed on second On the cone-apex angle of the interior surface of the vertex of a cone.
Further, the spinner handle of the spinner handle component and sealing cap assemblies the first cylinder is coaxial, slight interference fit, make The matching part sealing of two components is obtained, but not will drive the rotation of sealing cover component when rotating spinner handle component.Switch The semi-hemispherical end of the hollow cylinder of valve module and spinner handle component is coaxial, interference fit, so that when rotation spinner handle component, it can Switch valve module is driven to rotate together.The sealing cap assemblies and the glue connection of cone cylinder component, so that the two is fully sealed and fixes. The outer surface of second vertex of a cone is contacted with the inner surface of first vertex of a cone, and the outer surface of cylindrical drum is contacted with the inner surface of the second cylinder, Since spinner handle component provides axial force, so that switch valve module is fitted closely with cone cylinder component, it is in sealing state.
Further, the straight pin on spinner handle component can be with the mating connection on sealing cap assemblies across cylindrical hole.When When not in use, straight pin insertion blind hole rotate spinner handle component can not to apparatus of the present invention, play the role of safeguard protection;Work as use After person pulls the soft item of connection to pull up straight pin, rotation knob rotates spinner handle component.
Further, the storage and filter device that cone cylinder component is used by the second cylinder outer surface and blood circulation are consolidated Calmly, it usually requires to ensure that this swing type negative-pressure powder feeding device is in vertical direction so that powder can be under weight when use Drop, the storage and filter device that apparatus of the present invention are used with blood circulation are to be fastenedly connected;The second cylinder outer surface is provided with convex Edge sealing strip, it is possible to increase the leakproofness and enhancing crystallized ability of apparatus of the present invention and other devices.
Further, the limited block of the sealing cap assemblies, for cooperating with the support plate of spinner handle component, so that spinner handle group Part rotation is no more than 180 degree.
Further, first vertex of a cone of cone cylinder component is located at the second vertex of a cone inner surface, and coaxially with second vertex of a cone (41), when When spinner handle component turn makes the first half opening of cone cylinder component Chong Die with switch the second half opening of valve module, apparatus of the present invention Opening is opened.
Further, cap assemblies are sealed and cone cylinder component uses glue connection.
Further, powder is placed in apparatus of the present invention, by from following with the blood that apparatus of the present invention are used cooperatively The negative pressure outflow that the storage and filter device that ring uses provide.
Compared with the existing technology, the invention has the following advantages that
The invention proposes a kind of swing type negative-pressure powder feeding devices, and the cooperation between component and sealing mechanism is utilized, forms The container of closed loading powder, powder could flow out when only providing negative pressure for opening position, and blood can be cooperated to repeat to follow The functional requirement of storage and filter device that ring uses, the spinner handle group of turn apparatus of the present invention when needing to add powder Part, the storage used to blood repetitive cycling and filter device add powder;Simultaneously by being provided with safety pin, it is ensured that device is not Being in when use will not be inadvertently opened.
Detailed description of the invention
Fig. 1 is a kind of swing type negative-pressure powder feeding device structural schematic diagram of the invention.
Fig. 2 is a kind of cross-sectional view of swing type negative-pressure powder feeding device structure of the invention.
Fig. 3 is a kind of explosive view of swing type negative-pressure powder feeding device structure of the invention.
Fig. 4 is to turn inside apparatus of the present invention with schematic diagram.
Fig. 5 is that spinner handle component of the present invention and switch valve module turn with schematic diagram.
Fig. 6 is spinner handle component structure diagram of the invention.
Fig. 7 is spinner handle component bottom structural schematic diagram of the invention.
Fig. 8 is switch valve component structure diagram of the invention.
Fig. 9 is sealing cover component structure diagram of the invention.
Figure 10 is cone cylinder component structure diagram of the invention.
Figure 11 is that spinner handle component of the invention and switch valve module turn with schematic diagram.
In figure: 1- cone cylinder component;2- seals cap assemblies;3- spinner handle component;4- switchs valve module;11- cone cylinder;12- first The vertex of a cone;13- the second cylinder;The first half opening of 14-;21- closing disk;22- the first cylinder;23- blind hole;24- limited block;31- half Ball end;32- spinner handle;33- support plate;34- knob;The soft item of 35- connection;36- straight pin;37- cylindrical hole;Second vertex of a cone of 41-; 42- cylindrical drum;43- hollow cylinder;The second half opening of 44-.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described, but not limited to this.
As shown in Fig. 1 ~ Fig. 3, a kind of swing type negative-pressure powder feeding device of the present embodiment mainly includes cone cylinder component 1, sealing cover The components such as component 2, spinner handle component 3, switch valve module 4, the sealing cap assemblies 2 are mounted on 1 top of cone cylinder component, sealing cover group Part 2 and cone cylinder component 1 use glue connection;Spinner handle component 3 is mounted in cone cylinder component 1 by sealing cap assemblies 2;The switch valve Component 4 is located inside cone cylinder component 1;Cone cylinder component 1 as shown in Figure 10 mainly includes cone cylinder 11, first vertex of a cone 12, second circle Cylinder 13 and the first half opening 14 etc.;The cone cylinder 11, and be connected with this;First half opening 14 is open from first vertex of a cone 1.
As shown in figure 9, sealing cap assemblies 2 mainly include closing disk 21, the first cylinder 22, blind hole 23 and limited block 24 etc.; Described the first cylinder 22 is cylindrical hole;After closing disk 21 and the first cylinder 22 connect, the first cylinder 22 is through-hole;Blind hole 23 It is blind cylindrical hole on closing disk 21;Two limited blocks 24 have been symmetrical arranged on closing disk 21.
As shown in Figure 6, Figure 7, spinner handle component 3 mainly includes semi-hemispherical end 31, spinner handle 32, support plate 33, knob 34, connection Soft item 35, straight pin 36 and cylindrical hole 37 etc.;The semi-hemispherical end 31, spinner handle 32 and support plate 33 are in turn connected to form one; Two knobs 34, mirror image distribution are provided in support plate 33;Straight pin 36 is connect by connecting soft item 35 with support plate 33, is connected Soft item 35 belongs to soft material, being capable of bending deformation;Cylindrical hole 37 is provided in support plate 33;Straight pin 36 can be with cylindrical hole 37 clearance fits.
As shown in figure 8, switch valve module 4 is mainly half-open including second vertex of a cone 41, cylindrical drum 42, hollow cylinder 43, second Mouth 44 etc.;The connection of both second vertex of a cone 41 and cylindrical drum 42;Second half opening 44 is open by second vertex of a cone, 41 position;Open circles It is portion that column 43, which fixes second vertex of a cone 41,.
As shown in Figure 4, Figure 5, the spinner handle 32 of the spinner handle component 3 and the first cylinder 22 of sealing cap assemblies 2 are coaxial, slight Interference fit, so that the matching part sealing of two components, but not will drive sealing cover group when rotating spinner handle component 3 Part 2 rotates.As shown in figure 11, switch valve module 4 hollow cylinder 43 and spinner handle component 3 semi-hemispherical end 31 is coaxial, interference is matched It closes, so that being able to drive switch valve module 4 when rotation spinner handle component 3 and rotating together.The sealing cap assemblies 2 and cone cylinder 1 glue connection of component, so that the two is fully sealed and fixes.Switch the appearance that valve module 4 passes through second vertex of a cone 41 and cylindrical drum 42 Face is bonded with the inner surface of the cone cylinder 11 of cone cylinder component 1, first vertex of a cone 12 and the second cylinder 13, since spinner handle component 3 provides Axial force is in sealing state so that switch valve module 4 is fitted closely with cone cylinder component 1.
Straight pin 36 on spinner handle component 3 passes through cylindrical hole 37 and can connect with the blind hole 23 on sealing cap assemblies 2.When this When not in use, straight pin 36 is inserted into blind hole 23 and spinner handle component 3 can not be rotated invention device;Soft item is connected when user pulls After 35 pull up straight pin 36, spinner handle component 3 can rotate.
Second vertex of a cone 41 of first vertex of a cone 12 and switch valve module 4 of cone cylinder component 1 cooperates, when 3 turn of spinner handle component makes Cone cylinder component 1 the first half opening 14 with switch 4 second half opening 44 of valve module it is Chong Die when, the opening of apparatus of the present invention is beaten Open, powder relies on the storage used from the blood repetitive cycling being used cooperatively with apparatus of the present invention and filter device, storage and Negative pressure provided by filter device makes the smooth outflow of the powder in apparatus of the present invention.
Further, cone cylinder component 1 is fixed and is tightly connected with other devices by 13 outside of the second cylinder, the second cylinder 13 outsides are provided with flange seal item, for increasing the leakproofness and enhancing crystallized ability of apparatus of the present invention and other devices.
Further, the limited block 24 of the sealing cap assemblies 2 is used to cooperate with the support plate 33 of spinner handle component 3, so that The rotation of spinner handle component 3 is no more than 180 degree.
Further, the first cylinder 22, cone cylinder, first vertex of a cone 12, the second cylinder 13, second vertex of a cone 41 and cylindrical drum 42 can Think thin-walled.
In use, the through-hole of the storage and filter device that apparatus of the present invention insertion blood repetitive cycling are used, true After storage and filter device fastening installation that the invention device that breaks even and blood circulation use, that is, it can be used.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to of the invention Some modifications and changes should also be as falling into the scope of the claims of the present invention.

Claims (8)

1. a kind of swing type negative-pressure powder feeding device, it is characterised in that: including cone cylinder component (1), sealing cap assemblies (2), spinner handle group Part (3) and switch valve module (4);The sealing cap assemblies (2) are mounted at the top of cone cylinder component (1), seal cap assemblies (2) and bore Cartridge module (1) is connected;Spinner handle component (3) is mounted in cone cylinder component (1) by sealing cap assemblies (2);The switch valve group It is internal that part (4) is located at cone cylinder component (1);The cone cylinder component (1) includes cone cylinder (11), first vertex of a cone (12), the second cylinder (13) and the first half opening (14);The cone cylinder (11) is connected by first vertex of a cone (12) with the second cylinder (13);Described One half opening (14) is the opening on first vertex of a cone (12) surface.
2. a kind of swing type negative-pressure powder feeding device according to claim 1, it is characterised in that: the sealing cap assemblies (2) Including closing disk (21), the first cylinder (22), blind hole (23) and limited block (24);The first cylinder (22) is cylindrical logical Hole;The first cylinder (22) is located at the center of closing disk (21), closing disk (21) and the first cylinder (22) coaxially connected rear first circle Cylinder (22) is still through-hole;The blind hole (23) is the blind cylindrical hole on closing disk (21) surface;The closing disk (21) Two limited blocks (24) are symmetrical arranged on surface, so that spinner handle component (3) rotation is no more than 180 degree.
3. a kind of swing type negative-pressure powder feeding device according to claim 1, it is characterised in that: spinner handle component (3) packet Include semi-hemispherical end (31), spinner handle (32), support plate (33), knob (34), the soft item (35) of connection, straight pin (36) and cylindrical hole (37);The semi-hemispherical end (31), spinner handle (32) and support plate (33) are in turn connected to form one;Two knob (34) mirror images point It is distributed in support plate (33) marginal surface;Described soft item (35) one end of connection is fixed on the surface of support plate (33);Connect soft item (35) the other end is fixed with straight pin (36), and support plate (33) surface opens up cylindrical hole (37);The straight pin (36) With cylindrical hole (37) clearance fit;The semi-hemispherical end (31) is located at switch valve module (4) inner surface, and the straight pin (36) is worn Cylindrical hole (37) and blind hole (23) are crossed to be cooperatively connected.
4. a kind of swing type negative-pressure powder feeding device according to claim 1, it is characterised in that: the switch valve module (4) Including second vertex of a cone (41), cylindrical drum (42), hollow cylinder (43) and the second half opening (44);The bottom of second vertex of a cone (41) Side is connect with cylindrical drum (42);Second half opening (44) is the opening on second vertex of a cone (41) surface;The hollow cylinder (43) it is fixed on the cone-apex angle of second vertex of a cone (41) inner surface.
5. described in any item a kind of swing type negative-pressure powder feeding devices according to claims 1 to 4, it is characterised in that: the rotation Bar (32) and the coaxial interference fit of the first cylinder (22), but not will drive sealing cover component (2) rotation when rotation spinner handle component (3) Turn;The hollow cylinder (43) and the coaxial interference fit of semi-hemispherical end (31), so that being able to drive out when rotation spinner handle component (3) Valve module (4) are closed to rotate together;The outer surface of second vertex of a cone (41) inner surface and the second cylinder with first vertex of a cone (12) simultaneously (13) inner surface contact, provides axial force by spinner handle component (3), pastes switch valve module (4) and cone cylinder component (1) closely It closes, is in sealing state.
6. a kind of swing type negative-pressure powder feeding device according to claim 1, it is characterised in that: the cone cylinder component (1) is logical It crosses storage that the second cylinder (13) outer surface is used with blood circulation and filter device is fixed, the setting of the second cylinder (13) outer surface There is flange seal item.
7. a kind of swing type negative-pressure powder feeding device according to claim 1, it is characterised in that: first vertex of a cone (12) position In second vertex of a cone (41) inner surface, and coaxially with second vertex of a cone (41), when spinner handle component (3) turn make the first half opening (14) with Second half opening (44) overlapping.
8. a kind of swing type negative-pressure powder feeding device according to claim 1, it is characterised in that: the sealing cap assemblies (2) Glue connection is used with cone cylinder component (1).
CN201811642456.2A 2018-12-29 2018-12-29 Rotary-opening type negative pressure powder adding device Active CN109701094B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811642456.2A CN109701094B (en) 2018-12-29 2018-12-29 Rotary-opening type negative pressure powder adding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811642456.2A CN109701094B (en) 2018-12-29 2018-12-29 Rotary-opening type negative pressure powder adding device

Publications (2)

Publication Number Publication Date
CN109701094A true CN109701094A (en) 2019-05-03
CN109701094B CN109701094B (en) 2024-05-24

Family

ID=66260382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811642456.2A Active CN109701094B (en) 2018-12-29 2018-12-29 Rotary-opening type negative pressure powder adding device

Country Status (1)

Country Link
CN (1) CN109701094B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6620124B1 (en) * 1999-12-03 2003-09-16 Scimed Life Systems, Inc. Valve port assembly with coincident engagement member for fluid transfer procedures
CN103318517A (en) * 2013-07-12 2013-09-25 曼盛包装(上海)有限公司 Metering bottle cap used for powder products
CN204446728U (en) * 2015-02-15 2015-07-08 荆军防 A kind of Vasculocardiology Deparment drainage system
CN105366109A (en) * 2014-09-02 2016-03-02 湖北丰庆源粮油集团有限公司 Flour bagging discharge port
CN107582404A (en) * 2016-07-07 2018-01-16 黄嘉宝 Portable nursing bottle
CN207434188U (en) * 2017-11-23 2018-06-01 冯彦 Portable constant volume milk powder box
CN108853616A (en) * 2018-06-25 2018-11-23 河南驼人贝斯特医疗器械有限公司 The negative pressure drainage device that achievable waste liquid solidifies at any time
CN210355464U (en) * 2018-12-29 2020-04-21 东莞康智医疗器械有限公司 Swing type negative pressure powder adding device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6620124B1 (en) * 1999-12-03 2003-09-16 Scimed Life Systems, Inc. Valve port assembly with coincident engagement member for fluid transfer procedures
CN103318517A (en) * 2013-07-12 2013-09-25 曼盛包装(上海)有限公司 Metering bottle cap used for powder products
CN105366109A (en) * 2014-09-02 2016-03-02 湖北丰庆源粮油集团有限公司 Flour bagging discharge port
CN204446728U (en) * 2015-02-15 2015-07-08 荆军防 A kind of Vasculocardiology Deparment drainage system
CN107582404A (en) * 2016-07-07 2018-01-16 黄嘉宝 Portable nursing bottle
CN207434188U (en) * 2017-11-23 2018-06-01 冯彦 Portable constant volume milk powder box
CN108853616A (en) * 2018-06-25 2018-11-23 河南驼人贝斯特医疗器械有限公司 The negative pressure drainage device that achievable waste liquid solidifies at any time
CN210355464U (en) * 2018-12-29 2020-04-21 东莞康智医疗器械有限公司 Swing type negative pressure powder adding device

Also Published As

Publication number Publication date
CN109701094B (en) 2024-05-24

Similar Documents

Publication Publication Date Title
IL47199A (en) Catheter more particularly a bladder catheter
CN207185918U (en) Cover assembly, atomizer and electronic cigarette
CN108836237A (en) A kind of sampling capsule with sampling pool sealing structure
CN107021285B (en) Singlehanded automatic toothpaste squeezer
CN109701094A (en) A kind of swing type negative-pressure powder feeding device
CN208659380U (en) Hemostix and invasive pressure monitoring sensor system
CN109431561A (en) A kind of operation on oral cavity Special retractor
CN110522994A (en) A kind of skin nursing feeding device
CN210355464U (en) Swing type negative pressure powder adding device
CN108744240A (en) A kind of ear-nose-throat department delivery device
CN209122373U (en) A kind of stomach surgery abdominal operation puncture outfit
CN219207661U (en) Sealed controllable volume type eye cream bottle
CN215505094U (en) Spray even department of anesthesia with spouting medicine device
CN209091561U (en) Puncture needle for cardiac surgery
CN113134120B (en) Drainage instrument for thoracic surgery
CN205460062U (en) Thorax hydrops collection device
CN209474573U (en) A kind of waterproof medical laryngoscope
CN207627480U (en) A kind of medicament for the eyes eye drop device
CN109805985B (en) Respiratory tract sputum scab remover
CN209316472U (en) A kind of Bones and joints arthritis treatment equipment
CN209932995U (en) Portable edge tool box for psychiatric nursing
CN110201268A (en) A kind of anestetic needle convenient for Charge control
CN215193863U (en) Internal medicine nursing medicine dispensing equipment
CN208003225U (en) One kind trying plugging device convenient for metal tracheae casing
CN221491235U (en) Single-use three-way check valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant