CN108186058A - Pathological tissue rapid extraction device in a kind of art - Google Patents
Pathological tissue rapid extraction device in a kind of art Download PDFInfo
- Publication number
- CN108186058A CN108186058A CN201810114687.XA CN201810114687A CN108186058A CN 108186058 A CN108186058 A CN 108186058A CN 201810114687 A CN201810114687 A CN 201810114687A CN 108186058 A CN108186058 A CN 108186058A
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- China
- Prior art keywords
- piston
- push plate
- pathological tissue
- extraction device
- art
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
- A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
Abstract
The present invention relates to a kind of devices for assisting determining pathology, and in particular to pathological tissue rapid extraction device in a kind of art.Pathological tissue rapid extraction device in the art, including syringe, the piston being set in syringe, the hollow push-pull rod being fixedly connected with piston end and the syringe needle for being set to syringe front end, needle wall front end is provided with " work " font tissue ejecting mechanism for extending to internal piston；Hollow push-and-pull rod rear end is provided with " T " font ejecting mechanism, and " T " font ejecting mechanism penetrates inside hollow push-pull rod from hollow push-pull rod rear end and extends to piston rear end portion；The internal piston is provided with cavity, and piston nose portion is provided with the first through hole connected with cavity, and piston rear end portion is provided with the second through-hole connected with cavity.Pathological tissue rapid extraction device completes in an aseptic environment in a kind of art of the present invention, sterilizes and is covered in rear enclosure, and capping can be directly pulled up in operation and is used, extraction organizational process is convenient and efficient, safe.
Description
Technical field
The present invention relates to a kind of devices for assisting determining pathology, and in particular to pathological tissue rapid extraction fills in a kind of art
It puts.
Background technology
The pathological examination of tumour is one of extremely important tumor diagnosis method.Pathological examination can determine tumour
Diagnosis, tissue-derived and property and range etc., important foundation is provided for clinical treatment.Pathological examination knot in surgical procedure
The accuracy of fruit and the control of operating time are most important to the life safety of patient, therefore pathology determines that means are necessary in art
Ensure efficient, accurate.Traditional pathology film-making needs more than ten steps such as fixed, dehydration, transparent, and whole process continues 16-22
A hour causes routine pathology diagnosis to need 3-5 working day that could complete, due to overlong time, is only applicable to preoperative biopsy,
It is not suitable for determining for pathology in art.It is at present using extraction in the determining widely used mode in the process of surgery Pathology
Device is taken some pathological tissue cells to make cytologic slide and is checked, this test mode only needs a few minutes just can be fast
The determining pathology of speed, but this method is in application process without dedicated histocyte extraction element, thus using syringe come
Instead of syringe needle outs open is excessive easily to be missed tissue or poke blood vessel, and operation difficulty is larger, and what is be drawn into lacks
Amount histocyte is easily sticked to syringe needle inner wall, and difficulty is brought to later collection checking process.
Pathological tissue extractor in a kind of art of Chinese patent CN104873230B Granted publications, in the needle of syringe needle
The extracting cavity that can be slided along syringe needle is equipped in stalk, extracting cavity is connect by connecting rod with piston.Needle extracts during the invention
Tissue can be all introduced into extracting cavity, without being trapped in syringe needle, extracting cavity can be taken out from syringe rear portion, facilitate
The gatherer process of tissue.But the pathological anatomy extractor is in use there are still many deficiencies, such as：（1）Extracting cavity
It completes to need gradually to pull out from the rear end of syringe needle after tissue extracts, and non-tight state in rear end in syringe, easily there are bacterium,
Cavity tissue particle-bound bacteria, viral risk are extracted during in the presence of extracting cavity is pulled out, influences diagnosis accuracy；（2）Extraction group
With the process that the stopper connected with extracting cavity is moved to piston internal cavity front end during knitting, it is collected at stopper front end originally
Air be squeezed into syringe front end even in syringe needle, and then there is the risk that air when designing unreasonable is squeezed into human body；（3）It takes out
The process that chamber is gradually pulled out from syringe needle rear end is taken to delay the pathological examination time, makes the extraction rate of pathological tissue cannot still meet
The purpose of rapid tissue extraction.
Therefore, pathological tissue rapid extraction device in a kind of art how is provided, tissue extraction and tissue speed to introduce are fast, peace
Overall height is imitated, and tissue extraction process ensures that liver mass is not influenced by extraction process, and tissue extraction process does not deposit patient health
It is those skilled in the art's urgent problem to be solved in risk.
Invention content
The purpose of the present invention is to provide pathological tissue rapid extraction device, novel in structural design in a kind of art to be manufactured into
This is low, overcomes aforementioned the shortcomings of the prior art, it is ensured that tissue rapid extraction, quick release, tissue extraction process safety are high
Effect.
The technical scheme adopted by the invention to solve the technical problem is that：
Pathological tissue rapid extraction device in a kind of art fixes company including syringe, the piston being set in syringe, with piston end
The hollow push-pull rod connect and the syringe needle for being set to syringe front end, the needle wall front end, which is provided with, extends to internal piston
" work " font tissue ejecting mechanism；The hollow push-and-pull rod rear end is provided with " T " font ejecting mechanism, " T " font ejecting mechanism
It is penetrated inside hollow push-pull rod from hollow push-pull rod rear end and extends to piston rear end portion；The internal piston is provided with cavity,
Piston nose portion is provided with the first through hole connected with cavity, and piston rear end portion is provided with the second through-hole connected with cavity.
Further, described " work " font tissue ejecting mechanism includes preceding push plate, connecting rod and rear push plate, and preceding push plate is set to
The interior forward end of syringe needle, rear push plate are set in the cavity of piston, and connecting rod passes through the first through hole of piston to be fixedly connected with preceding push plate
With rear push plate, and the outer diameter of connecting rod be equal to first through hole internal diameter.
Further, the outer diameter of the preceding push plate is less than the internal diameter of syringe needle, and preceding push plate outer rim surrounding is fixed with ring-shaped rubber
Circle, annular rubber ring outer rim are contacted with inner needle wall, and the first stomata of multiple left and right perforations is provided on annular rubber ring.
Further, the slice for extending to needle tip opening is provided on the front end face of the preceding push plate, it is described to cut
Piece is sliced for dropping cut slice or " ten " font.
Further, the rear push plate outer diameter is identical with the cavity inside diameter of piston, and pusher edges of boards edge surrounding is provided with second
Stomata, be provided on the rear end face of rear push plate with the matched groove of " T " font tissue ejecting mechanism front end shape, groove with
Second through-hole of piston is opposite.
Further, when the piston is located at the front end of syringe, pathologic group is formed between preceding push plate and the needle point of syringe needle
Accommodating chamber is knitted, and rear push plate is located at the cavity rear end of piston, when the rear push plate is located at the middle part of piston cavity, pathological tissue
Fill up pathological tissue accommodating chamber.
Further, described " T " font ejecting mechanism includes round pressing board, fixed push rod vertical with round pressing board and sets
The limited location snap ring being placed between round pressing board front end face and back end of syringe face, the push rod are penetrated and are extended to from push-pull rod end
Second through-hole inlet of piston.
Further, the push rod outer diameter is less than the second through-hole internal diameter.
Further, one side opening of limited location snap ring, is snapped in push-pull rod outer wall.
Further, the needle point front end of the syringe needle is circular open, and capping is socketed with outside syringe needle.
The beneficial effects of the invention are as follows：Compared with prior art, pathological tissue rapid extraction fills in a kind of art of the invention
It puts and has the advantages that：（1）Smart structural design, when piston is located at the front end of syringe, the needle point of preceding push plate and syringe needle
Between form pathological tissue accommodating chamber, and rear push plate is located at the cavity rear end of piston, during extraction pathological tissue, by pulling back
Dynamic push-pull rod makes piston generate displacement, and piston nose forms negative pressure cavity, and the on the annular rubber ring of the premenstrual push plate surrounding of negative pressure
One stomata is transferred to the pathological tissue accommodating chamber formed between needle point and preceding push plate, and pathological tissue is forced to be inhaled into pathological tissue appearance
It receives in chamber, when rear push plate is located at the middle part of piston cavity, pathological tissue can fill up pathological tissue accommodating chamber, complete pathologic group
The extraction knitted；（2）Before releasing pathological tissue, limited location snap ring is removed, is supported the push rod of " T " font ejecting mechanism by pressing pressing board
The firmly rear push plate of " work " font tissue ejecting mechanism, and push plate continuation travels forward in cavity after promotion, until pathological tissue
Pathological tissue in accommodating chamber is pushed out completely；（3）Pathological tissue is extracted in push, with the movement of rear push plate, is lived
Second stomata of the air after in push plate in plug cavity is excluded along the second through-hole surrounding, and is sealed between first through hole and connecting rod
Property is strong, and air does not enter syringe front end with the displacement of connecting rod and first through hole, it is ensured that the safety of tissue extraction process；（4）Before
Push plate surrounding is provided with annular rubber ring, and the first stomata on annular rubber ring can transmit negative pressure, annular rubber ring surrounding with
Inner needle wall contacts, and the frictional force with inner needle wall is increased when releasing tissue, it is ensured that all releases the tissue of extraction, does not glue
It is attached to be stranded in syringe needle；（5）It is provided on the rear end face of the rear push plate of " work " font tissue ejecting mechanism and push rod front end shape
The matched groove of shape makes push rod front end in tissue push be connected in groove, convenient for push plate after promotion, and then makes tissue
More efficiently release；（6）Dropping cut slice or " ten " font slice are provided in the preceding push plate of " work " font tissue ejecting mechanism, is made
The tissue at same position can be cut according to demand when extracting, and the histocyte level for making extraction is clearly more demarcated, without after
Phase cuts multiple cell smears that can produce once, and is conducive to determine testing result by way of contrast, and it is accurate to improve detection
Degree；（7）Needle point designs are circle, reduce influence of the needle point to remaining tissue, reduce bleeding probability, improve pathological cells and take
Accuracy；（8）The pathological tissue rapid extraction device completes in an aseptic environment, sterilizes and is covered in rear enclosure, in operation
Capping can directly be pulled up to use, extraction organizational process is convenient and efficient, safe.
Description of the drawings
Fig. 1 is the general structure schematic diagram of pathological tissue rapid extraction device in a kind of art of the invention；
Fig. 2 is the structure diagram that pathological tissue rapid extraction device extracts during pathological cells in a kind of art of the invention；
Fig. 3 is the structure diagram that pathological tissue rapid extraction device releases during pathological tissue in a kind of art of the invention；
Fig. 4 is the structural representation of " work " font tissue ejecting mechanism of pathological tissue rapid extraction device in a kind of art of the invention
Enlarged drawing；
Fig. 5 is " work " font tissue ejecting mechanism of pathological tissue rapid extraction device and " T " font in a kind of art of the invention
Ejecting mechanism structural relation illustrates enlarged drawing（Limited location snap ring is not shown）；
Fig. 6 is structural representation enlarged drawing after the piston cutting of pathological tissue rapid extraction device in a kind of art of the present invention；
Fig. 7 is the structural representation enlarged drawing of the dropping cut slice of pathological tissue rapid extraction device in a kind of art of the invention；
Fig. 8 is that " ten " the font piece cutting structure of pathological tissue rapid extraction device in a kind of art of the invention illustrates enlarged drawing；
Wherein, push plate, 9 connecting rods, 10 before 1 syringe, 2 pistons, 3 push-pull rods, 4 syringe needles, 5 cavitys, 6 first through hole, 7 second through-holes, 8
Push plate, 11 pressing boards, 12 push rods, 13 limited location snap rings, 14 annular rubber rings, 15 first stomatas, 16 slices, 17 second stomatas, 18 afterwards
Groove, 19 cappings.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described.
Pathological tissue rapid extraction device in a kind of 1 art of embodiment
As shown in figures 1 to 6 in embodiment, pathological tissue rapid extraction device in a kind of art including syringe 1, is set in syringe
Piston 2, the hollow push-pull rod 3 being fixedly connected with 2 end of piston and the syringe needle 4 for being set to 1 front end of syringe, inside the syringe needle 4
Front end is provided with " work " font tissue ejecting mechanism extended to inside piston 2；3 rear end of hollow push-pull rod is provided with " T "
Font ejecting mechanism, " T " font ejecting mechanism penetrate hollow 3 inside of push-pull rod from hollow 3 rear end of push-pull rod and extend to piston 2
Rear end；The piston 2 is internally provided with cavity 5, and 2 front end of piston is provided with the first through hole 6 connected with cavity 5, piston 2
Rear end is provided with the second through-hole 7 connected with cavity 5.
In the present embodiment, " work " the font tissue ejecting mechanism includes preceding push plate 8, connecting rod 9 and rear push plate 10, preceding push plate
8 are set to the interior forward end of syringe needle 4, and rear push plate 10 is set in the cavity 5 of piston 2, and connecting rod 9 passes through the first through hole 6 of piston 2
Preceding push plate 8 and rear push plate 10 are fixedly connected with, and the outer diameter of connecting rod 9 is equal to the internal diameter of first through hole 6.The outer diameter of preceding push plate 8 is less than
The internal diameter of syringe needle 4, preceding 8 outer rim surrounding of push plate are fixed with annular rubber ring 14, and 14 outer rim of annular rubber ring connects with 4 inner wall of syringe needle
It touches, the first stomata 15 of multiple left and right perforations is provided on annular rubber ring 14.Afterwards in the cavity 5 of 10 outer diameter of push plate and piston 2
Diameter is identical, and rear 10 edge surrounding of push plate is provided with the second stomata 17, is provided on the rear end face of rear push plate 10 and " T " font tissue
The matched groove 18 of ejecting mechanism front end shape, groove 18 are opposite with the second through-hole 7 of piston 2.
In the present embodiment, when piston 2 is located at the front end of syringe 1, pathology is formed between preceding push plate 8 and the needle point of syringe needle 4
Accommodating chamber is organized, and rear push plate 10 is located at 5 rear end of cavity of piston 2, the rear push plate 10 is located at the middle part of 2 cavity 5 of piston
When, pathological tissue fills up pathological tissue accommodating chamber.
In the present embodiment, " T " the font ejecting mechanism includes round pressing board 11, vertical with circle pressing board 11 fixed pushes away
Bar 12 and the limited location snap ring 13 being set between round 12 front end face of pressing board and 1 rear end face of syringe, the push rod 12 is from push-pull rod 3
End penetrates and extends to 7 inlet of the second through-hole of piston 2.12 outer diameter of push rod is less than 7 internal diameter of the second through-hole.The limit
Position 13 1 side opening of snap ring, is snapped in 3 outer wall of push-pull rod.
In the present embodiment, the needle point front end of the syringe needle 4 is circular open, and capping 19 is socketed with outside syringe needle 4.
Pathological tissue rapid extraction device in a kind of 2 art of embodiment
The present embodiment and 1 structure of embodiment are essentially identical, differ only in：It is set on the front end face of push plate 8 before the present embodiment
There is the slice 16 for extending to 4 needle point opening of syringe needle, as shown in fig. 7, for dropping cut slice, dropping cut slice is used for the slice 16
Pathological tissue is cut when extracting pathological tissue, makes cell level clearly more demarcated, once prepares two cell smears, comparison
Observation.
Pathological tissue rapid extraction device in a kind of 3 art of embodiment
The present embodiment and 1 structure of embodiment are essentially identical, differ only in：It is set on the front end face of push plate 8 before the present embodiment
There is the slice 16 for extending to 4 needle point opening of syringe needle, the slice 16 for " ten " font as shown in figure 8, be sliced." ten " font is cut
Piece makes cell level clearly more demarcated, once prepares four cells for being cut when extracting pathological tissue to pathological tissue
Smear, paired observation.
The application method of pathological tissue rapid extraction device in a kind of 4 art of embodiment
Step 1：A kind of capping 19 of pathological tissue rapid extraction device as shown in Figure 1 is pulled up, pulling back push-pull rod 3 makes
Piston 2 generates displacement, and 2 front end of piston forms negative pressure cavity, the first stomata on the annular rubber ring 14 of premenstrual 8 surrounding of push plate of negative pressure
15 are transferred to the pathological tissue accommodating chamber formed between needle point and preceding push plate 8, and pathological tissue is forced to be inhaled into pathological tissue receiving
In chamber, when rear push plate 10 is located at the middle part of 2 cavity 5 of piston, pathological tissue can fill up pathological tissue accommodating chamber, such as Fig. 2 institutes
Show, complete the extraction of pathological tissue；
Step 2：Limited location snap ring 13 is removed, the push rod 12 of " T " font ejecting mechanism is clamped into " work " word by pressing pressing board 11
In the groove 18 of the rear push plate 10 of type tissue ejecting mechanism, and push plate 10 continues to travel forward in cavity 5 after promotion, until disease
Pathological tissue in reason tissue accommodating chamber is pushed out completely, as shown in Figure 3, you can.
Above-mentioned specific embodiment is only the specific case of the present invention, and scope of patent protection of the invention includes but not limited to
The product form and style of above-mentioned specific embodiment, any claims of the present invention and any technical field of meeting
The appropriate variation or modification that those of ordinary skill does it should all fall into the scope of patent protection of the present invention.
Claims (10)
1. a kind of pathological tissue rapid extraction device in art, including syringe（1）, the piston that is set in syringe（2）With piston
（2）The hollow push-pull rod that end is fixedly connected（3）Be set to syringe（1）The syringe needle of front end（4）, it is characterised in that：The needle
Head（4）Interior forward end, which is provided with, extends to piston（2）Internal " work " font tissue ejecting mechanism；The hollow push-pull rod（3）
Rear end is provided with " T " font ejecting mechanism, and " T " font ejecting mechanism is from hollow push-pull rod（3）Rear end penetrates hollow push-pull rod（3）
Inside simultaneously extends to piston（2）Rear end；The piston（2）It is internally provided with cavity（5）, piston（2）Front end be provided with
Cavity（5）The first through hole of connection（6）, piston（2）Rear end is provided with and cavity（5）Second through-hole of connection（7）.
2. pathological tissue rapid extraction device in a kind of art as described in claim 1, it is characterised in that：" work " the font group
It knits ejecting mechanism and includes preceding push plate（8）, connecting rod（9）With rear push plate（10）, preceding push plate（8）It is set to syringe needle（4）Interior forward end,
Push plate afterwards（10）It is set to piston（2）Cavity（5）It is interior, connecting rod（9）Across piston（2）First through hole（6）Before being fixedly connected
Push plate（8）With rear push plate（10）, and connecting rod（9）Outer diameter be equal to first through hole（6）Internal diameter.
3. pathological tissue rapid extraction device in a kind of art as claimed in claim 2, it is characterised in that：The preceding push plate（8）
Outer diameter be less than syringe needle（4）Internal diameter, preceding push plate（8）Outer rim surrounding is fixed with annular rubber ring（14）, annular rubber ring（14）
Outer rim and syringe needle（4）Inner wall contacts, annular rubber ring（14）On be provided with it is multiple left and right perforation the first stomatas（15）.
4. pathological tissue rapid extraction device in a kind of art as claimed in claim 2, it is characterised in that：The preceding push plate（8）
Front end face on be provided with and extend to syringe needle（4）The slice of needle point opening（16）, the slice（16）For dropping cut slice or
" ten " font is sliced.
5. pathological tissue rapid extraction device in a kind of art as claimed in claim 2, it is characterised in that：Push plate after described（10）
Outer diameter and piston（2）Cavity（5）Internal diameter is identical, rear push plate（10）Edge surrounding is provided with the second stomata（17）, rear push plate
（10）Rear end face on be provided with the matched groove of " T " font tissue ejecting mechanism front end shape（18）, groove（18）
With piston（2）The second through-hole（7）Relatively.
6. pathological tissue rapid extraction device in a kind of art as claimed in claim 2, it is characterised in that：The piston（2）Position
In syringe（1）Front end when, preceding push plate（8）With syringe needle（4）Needle point between form pathological tissue accommodating chamber, and rear push plate
（10）Positioned at piston（2）Cavity（5）Rear end, the rear push plate（10）Positioned at piston（2）Cavity（5）Middle part when, pathology
Tissue fills up pathological tissue accommodating chamber.
7. pathological tissue rapid extraction device in a kind of art as described in claim 1, it is characterised in that：" T " font pushes away
Go out mechanism and include round pressing board（11）And round pressing board（11）Vertical fixed push rod（12）Be set to round pressing board（12）Before
End face and syringe（1）Limited location snap ring between rear end face（13）, the push rod（12）From push-pull rod（3）End penetrates and extends to
Piston（2）The second through-hole（7）Inlet.
8. pathological tissue rapid extraction device in a kind of art as claimed in claim 7, it is characterised in that：The push rod（12）Outside
Diameter is less than the second through-hole（7）Internal diameter.
9. pathological tissue rapid extraction device in a kind of art as claimed in claim 7, it is characterised in that：The limited location snap ring
（13）One side opening, is snapped in push-pull rod（3）Outer wall.
10. pathological tissue rapid extraction device in a kind of art as described in claim 1, it is characterised in that：The syringe needle（4）'s
Needle point front end be circular open, syringe needle（4）Outside is socketed with capping（19）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810114687.XA CN108186058B (en) | 2018-02-06 | 2018-02-06 | Quick extraction element of pathological tissue in art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810114687.XA CN108186058B (en) | 2018-02-06 | 2018-02-06 | Quick extraction element of pathological tissue in art |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108186058A true CN108186058A (en) | 2018-06-22 |
| CN108186058B CN108186058B (en) | 2020-07-07 |
Family
ID=62592445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810114687.XA Active CN108186058B (en) | 2018-02-06 | 2018-02-06 | Quick extraction element of pathological tissue in art |
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| Country | Link |
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| CN (1) | CN108186058B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142221A (en) * | 2018-09-13 | 2019-01-04 | 东莞理工学院 | A kind of device for fast detecting based on fluorescent material coating fiber |
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| CN109142221B (en) * | 2018-09-13 | 2021-04-16 | 东莞理工学院 | Rapid detection device based on fluorescent material coating fibers |
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| Publication number | Publication date |
|---|---|
| CN108186058B (en) | 2020-07-07 |
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Inventor after: Guan Huijuan Inventor after: Zhu Luying Inventor after: Gao Feng Inventor after: Gong Fuchao Inventor after: Li Xiangyang Inventor before: Zhu Luying Inventor before: Gao Feng Inventor before: Gong Fuchao Inventor before: Li Xiangyang |
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