CN110448758A - A kind of syringe and injector system for exempting from rotation and loading with pressure sleeve - Google Patents
A kind of syringe and injector system for exempting from rotation and loading with pressure sleeve Download PDFInfo
- Publication number
- CN110448758A CN110448758A CN201910551881.9A CN201910551881A CN110448758A CN 110448758 A CN110448758 A CN 110448758A CN 201910551881 A CN201910551881 A CN 201910551881A CN 110448758 A CN110448758 A CN 110448758A
- Authority
- CN
- China
- Prior art keywords
- syringe
- stack shell
- protective case
- rotation
- loading
- 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
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Classifications
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/3129—Syringe barrels
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
Abstract
The present invention relates to the field of medical instrument technology, specifically a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve, it include: syringe stack shell, piston, protective case main body, protective case end cap and push rod, syringe stack shell is by stack shell distal end, stack shell proximal end and stack shell central section composition, stack shell distal end is made of injection neck and circular conical surface, stack shell central section is the cylinder of one whole section of same outer diameter and internal diameter, stack shell proximal end is made of the cylinder of stack shell central section and the interface with several grooves, stack shell is by engaging fixation with protective case with reeded interface, piston is by circular conical surface, sealing ring, the step of card sealing ring, round boss composition with the level, sealing ring is matched with the step of card sealing ring, push rod and boss are locked together by step.The present invention is applied to the equipment such as tomographic apparatus (CT), nuclear magnetic resonance equipment (MRI) and digital subtraction angiography equipment (DSA), promotes the experience of user and saves the set-up time of user.
Description
Technical field
It is specifically a kind of to exempt from the syringe and injection that rotation loads with pressure sleeve the present invention relates to the field of medical instrument technology
Device system.
Background technique
In many medical diagnosis and treatment procedure, doctor or other staff are disconnected to patient's injection contrast agent coupled computer
Layer scanning (CT), digital subtraction angiography (DSA), magnetic resonance system (MR) imaging auxiliary diagnosis.
Contrast agent is pushed usually using manually or automatically injection device, contrast agent reaches check bit by vein or artery
It sets, obtains the image of desired tissue site by absorbing X-ray or changing signal strength of the in-vivo tissue under magnetic resonance,
Gained image may be displayed on monitor and be recorded.Wherein, typical hand injection by source of contrast, physiology salt water source,
Syringe, the connecting line composition that can be injected manually.Draw contrast agent or physiological saline manually by operator, then by operator
It is injected manually.Flow velocity, pressure and the volume injected of entire injection process are influenced by the strength and technology of operator, and because
Very fast needed for fluid when injection is more sticky and speed, then pressure needed for injecting is larger；Operator, which often so works, to cause
Fatigue, and pressure, flow velocity are unable to accurately control.As it can be seen that the injecting systems under existing big pressure injection environment, usually need
Want pressure protection set and corresponding fixed bracket, and the fixed bracket of syringe takes up space usual larger, causes the body of injecting systems
Type is more heavy, and the installation of syringe is inconvenient for operation.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of syringe and syringe system for exempting to rotate loading with pressure sleeve
System is able to ascend the experience of user and saves the set-up time of user.
The invention is realized in this way a kind of 1, syringe and injector system for exempting from rotation and loading with pressure sleeve, special
Sign is, comprising: syringe stack shell, piston, protective case main body, protective case end cap and push rod, the syringe stack shell by stack shell distal end,
Stack shell proximal end and stack shell central section composition, wherein stack shell distal end is made of injection neck and circular conical surface, and stack shell central section is
The cylinder of one whole section of same outer diameter and internal diameter, stack shell proximal end are slightly larger than the cylinder of stack shell central section by an internal diameter and have number
The interface of a groove is formed, and stack shell is engaged with protective case by the interface with several grooves and fixed without rotation, described
Piston is made of circular conical surface, sealing ring, the step of card sealing ring, round boss with the level, the platform of sealing ring and card sealing ring
Rank matches, and push rod and boss are locked together by step, to be moved forward and backward with piston.
Further, stack shell stack shell proximal end possesses several groove interfaces, and the shape of groove interface is unlimited.
Further, the boss of the piston is usually a circle boss with the level.
Further, the syringe protective case its be made of protection upper shield and protective case main body, to protect syringe to exist
It is injected in the environment of 1200psi；
Further, the protection upper shield and syringe stack shell and protective case main body cooperate, and protection upper shield can allow syringe
Stack shell is extended there through and is fitted close with stack shell circular conical surface, while being connected by modes such as rotation, screw threads with protective case main body；
Cylinder of the protective case main body by consistent outer diameter and the stack shell proximal end with rotary flange form, with syringe stack shell and guarantor
Protecting cover is cooperatively connected.
Further, the inner wall size of the protection cap is consistent with syringe stack shell circular conical surface, is fitted close.Protection
The exit of cap can pass through syringe stack shell by the injection neck of syringe stack shell, protective case main body.
Further, the protection sleeve main body inner wall is equipped with protrusion, is in contact with syringe stack shell proximal end, can limit needle
Cylinder is axial backward and around axial-rotation.
Further, the protective case main body and syringe type of attachment are the form or screw thread company that sliding block is rotated in place
It connects.
Further, the push rod includes push rod distal end, push rod proximal end and push rod centre portion composition, and push rod distal end is set
There is sunken end face and is engaged with piston radial movement.
Further, the sunken end face of the push rod forms step, and opening port is arranged in one direction.
High pressure injector and high-pressure injection system provided by the invention pass through setting injection detection state and automatic control
Device can be realized the accurate control of injection dosage in injection process, flow rate of liquid, pressure parameter, multistage injection etc., for behaviour
Make personnel and patient provides more benefits.
Detailed description of the invention
Fig. 1 is syringe scheme of installation in the embodiment of the present invention；
Fig. 2 is the syringe cylinder structure schematic diagram of 2 grooves of proximal band in the embodiment of the present invention；
Fig. 3 is the flanged syringe cylinder structure schematic diagram of the multiple grooves of proximal band and proximal end in the embodiment of the present invention；
Fig. 4 is to exempt from rotary piston structure schematic diagram in the embodiment of the present invention；
Fig. 5 is to exempt from rotary-piston decomposition diagram in the embodiment of the present invention；
Fig. 6 is that pressure protection covers agent structure schematic diagram in the embodiment of the present invention；
Fig. 7 is that the pressure protection provided in the embodiment of the present invention covers end cap schematic diagram；
Fig. 8 is the structural schematic diagram of the push rod provided in the embodiment of the present invention；
Fig. 9 is the piston and push rod juncture structural schematic diagram provided in the embodiment of the present invention；
Figure 10 is to exempt to rotate syringe system installation effect figure in the embodiment of the present invention；
Figure 11 be the embodiment of the present invention in provide exempt from rotate syringe system connection schematic diagram；
In attached drawing: 1- syringe stack shell；10- stack shell proximal end；11- stack shell central section；12- stack shell distal end；100- groove；2-
Piston；20- sealing ring；21- piston body；210- boss；211- step；212- circular conical surface；3- protective case main body；30- protrusion；
31- inner wall flange；32- outer wall flange；33- stack shell distal end；4- protective case end cap；40- circular hole；41- connection structure；5- push rod；
50- sunken end face；51- opening port；6- syringe.
Specific embodiment
In order to keep the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, to this hair
It is bright to be further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
It please refers to shown in Fig. 1-11, the present invention provides a kind of syringe and syringe system for exempting to rotate loading with pressure sleeve
System characterized by comprising syringe stack shell 1, piston 2, protective case main body 3, protective case end cap 4 and push rod 5, the syringe cylinder
Body 1 is made of stack shell distal end 12, stack shell proximal end 10 and stack shell central section 11, and wherein stack shell distal end 12 is by injection neck and circular cone
Face composition, stack shell central section 11 are the cylinder of one whole section of same outer diameter and internal diameter, and stack shell proximal end 10 is slightly larger than by an internal diameter
The cylinder of stack shell central section 11 and interface with several grooves 100 are formed, and stack shell passes through the interface for having several grooves
It engages and is fixed without rotation with protective case, the piston is by circular conical surface, sealing ring, the step of card sealing ring, circular strip step
Boss composition, sealing ring matches with the step of card sealing ring, and push rod and boss are locked together by step, thus with piston
It is moved forward and backward.
Stack shell stack shell proximal end possesses several groove interfaces, and the shape of groove interface is unlimited.
The boss of the piston is usually a circle boss with the level.
It is made of the syringe protective case protection upper shield and protective case main body, to protect syringe in the ring of 1200psi
It is injected under border；
The protection upper shield and syringe stack shell and protective case main body cooperate, and protection upper shield can allow syringe stack shell therefrom to be worn
It crosses and is fitted close with stack shell circular conical surface, while being connected by modes such as rotation, screw threads with protective case main body；The protective case
Cylinder of the main body by consistent outer diameter and the stack shell proximal end with rotary flange form, with syringe stack shell and protection upper shield cooperation
Connection.
The inner wall size of the protection cap is consistent with syringe stack shell circular conical surface, is fitted close.Protect going out for cap
Syringe stack shell can be passed through by the injection neck of syringe stack shell, protective case main body at mouthful.
The protection sleeve main body inner wall is equipped with protrusion, is in contact with syringe stack shell proximal end, can limit syringe in axial direction
Backward and around axial-rotation.
8, a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as claimed in claim 5, the guarantor
Sheath body and syringe type of attachment are the form or threaded connection that sliding block is rotated in place.
The push rod includes push rod distal end, push rod proximal end and push rod centre portion composition, and it is recessed that push rod distal end is equipped with end face
It falls into and is engaged with piston radial movement.
The sunken end face of the push rod forms step, and one direction setting opens.
As shown in Figure 1, be the main component with pressure sleeve be high-pressure injection system syringe and protective case, as shown in Fig. 2, its
In contain stack shell (1), piston (2), protective case main body (3), protective case end cap (4).
As shown in Fig. 2, stack shell is made of distal end (12), proximal end (10) and central section (11): wherein distal end is by injecting
Neck and circular conical surface composition, central section are the cylinder of one whole section of same outer diameter and internal diameter, and proximal end is slightly larger than center by an internal diameter
The cylinder of section and the interface for having several grooves (100) are formed.
As shown in figure 3, syringe number of recesses is unlimited, it can be one, be also possible to multiple.Its shape can be rectangle,
Zigzag, trapezoidal or arc.
The groove of syringe proximal end can be flange, and quantity is unlimited, can be one, be also possible to multiple.Its shape can be with
It is rectangle, zigzag, trapezoidal or arc.
With reference to Fig. 4 and Fig. 5, the piston of the system be also exempt from it is revolving.Piston is by piston body (21) and sealing ring (20)
Composition.Piston body includes circular conical surface (212), the step (211) of card sealing ring, round boss (210) composition with the level.Sealing
Circle is matched with the step of card sealing ring, and push rod and boss are locked together by step, to be moved forward and backward with piston.
Its shape of boss (210) with the level be it is centrosymmetric, it is usually cylindrical.
With reference to Fig. 6 and Fig. 7, a kind of syringe protective case, to protect syringe to be injected in the environment of 1200psi,
It is made of protection upper shield and protective case main body.
As shown in figure 8, syringe protective case main body is cylindrical, proximal end inner wall has raised (30), can limit syringe
It is moved backward axially.
Syringe protective case proximal inner wall has flange (31), engages with the groove of syringe, can limit syringe around axis
To rotation.Number of flanges is unlimited, can be one, be also possible to multiple.Its shape can be rectangle, zigzag, trapezoidal or arc
Shape.
It is engaged with syringe local interface, the groove of protective case proximal end inner wall can be flange, and quantity is unlimited, can be one
It is a, it is also possible to multiple.Its shape can be rectangle, zigzag, trapezoidal or arc.
The outer wall of protective case main body also has flange (32), plays installation fixed function, one be generally in the shape of on circumferentially
Section protrusion in homogeneous thickness.It is usually symmetrical two parts.
The distal end (33) of main body is connected with protective case end cap, and mode includes but is not limited to be threadedly coupled, flange rotation
Locking etc..
As shown in figure 9, the cavity that protective case end cap is made of the distal end of the proximal end of a cylindrical section and one section of circular cone, protection
The inner wall size of set end cap is consistent with syringe stack shell circular conical surface, is fitted close.
Protective case end cap proximal end inner wall is including but not limited to the connection structures such as screw thread or flange (41).Outer wall has protrusion
Or sunk structure (42), it tightens by hand end cap to facilitate and is rotated.Its shape generally axially on striated.
Protective case end cap distal tip outputs circular hole (40), to pass through the injection neck of syringe.Circular hole is located at end cap tapering
Center, direction is along axial direction.
Syringe is contained in protective case body interior, and is limited its rotation and axially moved back.Protection upper shield can allow syringe cylinder
Body is extended there through and is fitted close with stack shell circular conical surface, while being connected by modes such as rotation, screw threads with protective case main body.
As shown in Figure 10, a kind of push rod, sunken end face (50) form step, and a direction has opening port (51).
The push rod, end face have recess (50), and piston rear end protrusion can laterally be packed into and be combined.Push rod and work
Band piston is moved forward and backward after plug engages.
Such as Figure 10, Figure 11, the operating method of the system: being packed into syringe without rotation for piston, and then syringe proximal end is from guarantor
The distal end of sheath is packed into, and is attempted rotation for syringe and is attached to bottom, until syringe cannot rotate again.It is loaded on protective case end cap and fixation
Tightly.The component installed is finally packed into syringe (6).The process for being packed into component is needed in the case where axial position is appropriate, whole
Then body is fixed from side to loading.This process be simultaneously guarantee boss of the piston with step cutting pattern from the opening port of push rod (5) into
Enter, stops and fix when arriving center.So push rod front end opening port is identical with protective case component loading port direction.
Protective case component load mode can be directly from the side of syringe to loading, be also possible to first mounted in an injection
Device fore device, then whole lateral loading.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve characterized by comprising syringe stack shell, work
Plug, protective case main body, protective case end cap and push rod, the syringe stack shell is by stack shell distal end, stack shell proximal end and stack shell center
Duan Zucheng, wherein stack shell distal end is made of injection neck and circular conical surface, and stack shell central section is one whole section of same outer diameter and internal diameter
Cylinder, stack shell proximal end are made of an internal diameter slightly larger than the cylinder of stack shell central section and the interface with several grooves, cylinder
Body is engaged with protective case by the interface with several grooves and is fixed without rotation, and the piston is by circular conical surface, sealing ring, card
The step of sealing ring, round boss composition with the level, sealing ring are matched with the step of card sealing ring, and push rod passes through with boss
Step locks together, to be moved forward and backward with piston.
2. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as described in claim 1, the stack shell cylinder
Body proximal end possesses several groove interfaces, and the shape of groove interface is unlimited.
3. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as described in claim 1, the piston
Boss is usually a circle boss with the level.
4. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as described in claim 1, the syringe are protected
It is made of sheath protection upper shield and protective case main body, to protect syringe to be injected in the environment of 1200psi.
5. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as claimed in claim 4, the protective case
Lid cooperates with syringe stack shell and protective case main body, and protection upper shield can allow syringe stack shell to extend there through and tight with stack shell circular conical surface
Close fit, while being connected by modes such as rotation, screw threads with protective case main body；The protective case main body by consistent outer diameter cylinder
Body and with rotary flange stack shell proximal end composition, with syringe stack shell and protection upper shield be cooperatively connected.
6. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as claimed in claim 4, the protective cap
The inner wall size of lid is consistent with syringe stack shell circular conical surface, is fitted close.The exit of protection cap can pass through syringe cylinder
The injection neck of body, protective case main body can pass through syringe stack shell.
7. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as claimed in claim 4, the protective case
Cylinder main body inner wall is equipped with protrusion, is in contact with syringe stack shell proximal end, can limit syringe axial backward and around axial-rotation.
8. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as claimed in claim 5, the protective case
Main body and syringe type of attachment are the form or threaded connection that sliding block is rotated in place.
9. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as described in claim 1, the push rod packet
Push rod distal end, push rod proximal end and push rod centre portion composition are included, push rod distal end is equipped with sunken end face and moves with piston radial
It engages.
10. a kind of syringe and injector system for exempting from rotation and loading with pressure sleeve as described in claim 1, the push rod
Sunken end face forms step, and opening port is arranged in one direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551881.9A CN110448758B (en) | 2019-06-25 | 2019-06-25 | Non-rotating loading syringe with pressure sleeve and injector system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551881.9A CN110448758B (en) | 2019-06-25 | 2019-06-25 | Non-rotating loading syringe with pressure sleeve and injector system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110448758A true CN110448758A (en) | 2019-11-15 |
| CN110448758B CN110448758B (en) | 2022-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910551881.9A Active CN110448758B (en) | 2019-06-25 | 2019-06-25 | Non-rotating loading syringe with pressure sleeve and injector system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110448758B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244485A (en) * | 2021-05-20 | 2021-08-13 | 江苏省医疗器械检验所 | High-pressure syringe needle cylinder fixing mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735825A (en) * | 1996-03-22 | 1998-04-07 | Merit Medical Systems, Inc. | Syringe plunger tip |
| CN1891308A (en) * | 2005-07-01 | 2007-01-10 | 汪贤宗 | Throw-away anaesthetic safety injection work drum |
| CN206183756U (en) * | 2016-07-27 | 2017-05-24 | 广州友沃医疗设备有限公司 | High -pressure syringe cylinder |
| CN107126602A (en) * | 2017-06-02 | 2017-09-05 | 南京感控通化工产品经营部 | The flange plate turning device fixed for syringe |
| CN109395210A (en) * | 2017-08-18 | 2019-03-01 | 南京感控通化工产品经营部 | A kind of pusher structure suitable for syringe |
-
2019
- 2019-06-25 CN CN201910551881.9A patent/CN110448758B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735825A (en) * | 1996-03-22 | 1998-04-07 | Merit Medical Systems, Inc. | Syringe plunger tip |
| CN1891308A (en) * | 2005-07-01 | 2007-01-10 | 汪贤宗 | Throw-away anaesthetic safety injection work drum |
| CN206183756U (en) * | 2016-07-27 | 2017-05-24 | 广州友沃医疗设备有限公司 | High -pressure syringe cylinder |
| CN107126602A (en) * | 2017-06-02 | 2017-09-05 | 南京感控通化工产品经营部 | The flange plate turning device fixed for syringe |
| CN109395210A (en) * | 2017-08-18 | 2019-03-01 | 南京感控通化工产品经营部 | A kind of pusher structure suitable for syringe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113244485A (en) * | 2021-05-20 | 2021-08-13 | 江苏省医疗器械检验所 | High-pressure syringe needle cylinder fixing mechanism |
| CN113244485B (en) * | 2021-05-20 | 2023-12-29 | 江苏省医疗器械检验所 | High-pressure injector needle cylinder fixing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110448758B (en) | 2022-06-03 |
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