CN102327142B - Manufacturing method of cannula puncture outfit for disposable laparoscope and puncture outfit for implementing same - Google Patents
Manufacturing method of cannula puncture outfit for disposable laparoscope and puncture outfit for implementing same Download PDFInfo
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- CN102327142B CN102327142B CN201110248990.7A CN201110248990A CN102327142B CN 102327142 B CN102327142 B CN 102327142B CN 201110248990 A CN201110248990 A CN 201110248990A CN 102327142 B CN102327142 B CN 102327142B
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Abstract
The invention discloses a manufacturing method of a cannula puncture outfit for a disposable laparoscope. The manufacturing method comprises the following steps of: (1) setting a polygonal pyramid puncture needle; (2) setting a positioning puncture cannula; and (3) inserting the polygonal pyramid puncture needle into the positioning puncture cannula in a way that the head end of the polygonal pyramid puncture needle slightly extends out of the positioning puncture cannula. The invention further discloses a puncture outfit for implementing the manufacturing method of the cannula puncture outfit for the disposable laparoscope. The method provided by the invention is simple, is easy to implement and has low cost; the puncture outfit provided by the invention has a skillful structural design; tissues are cut by using the end part of a pyramid, and chambering is performed through the conical surface of a puncture head, so that the damage is small, and the safety and effectiveness of puncture surgery are enhanced effectively; a cannula sheath is provided with a segmented conical bump, so that high fixity is achieved and slippage is avoided; the head end of the cannula sheath is conical, so that the puncture resistance can be reduced, convenience is brought to operation, incision damage can be further reduced, a minimal invasion effect is achieved; and moreover, the puncture outfit is disposable, so that cross infection is avoided, and using safety is ensured.
Description
Technical field
The present invention relates to medical instruments field technology, the perforator of the sleeve puncture outfit manufacture method that particularly a kind of disposable celiac mirror is used and enforcement the method.
Background technology
The Minimally Invasive Surgery that the peritoneoscope of take is representative develops its amount for surgical of ， developed country rapidly in recent years and has surpassed traditional operation.The minimally-invasive treatment technology that minor operation, little wound are feature progressively obtains numerous doctors' approval.Sleeve puncture outfit is for setting up the indispensable apparatus of operation path, observation passage in laparoscopic surgery.The cutting tip of existing puncture needle has various shape: blunt taper shape, point taper shape, prismatic, four prismatics, six prismatics and blade shape etc.As the puncturing head of obtuse, it little by little expands muscle fiber, and fiber is continuous, damages littlely, and after puncture casing takes out, tissue defect is little, but the power of using while puncturing is maximum, is difficult to control, troublesome poeration.And the puncturing head of blade shape, although just can, directly muscle and compartment cut, very easily cause fiber to be cut off by less power, cause otch excessive, cause tissue injury, and because of otch excessive, cause puncture casing to be difficult to be fixed, easily occur deviating from phenomenon causing security incident.Although the puncturing head of many prismatics has the two advantage, the otch of its puncture equals puncturing lever external diameter, and otch is large, and puncture casing be difficult for fixing, easily deviate from, be inconvenient to use.
Summary of the invention
For above-mentioned deficiency, one of the object of the invention is, provides a kind of operation simple, is easy to the sleeve puncture outfit manufacture method realizing and the high disposable celiac mirror of efficiency is used.
The present invention also aims to, a kind of reasonable in design, easy to operate, set obtuse, many prismatics puncturing head advantage perforator are provided.
For achieving the above object, the technical scheme providing is in the present invention:
The sleeve puncture outfit manufacture method that mirror is used, it comprises the steps:
(1) a polygonal pyramid puncture needle is set;
(2) a location puncture casing is set;
(3) described polygonal pyramid puncture needle is plugged in localised puncture sleeve pipe, and makes the head end of this polygonal pyramid puncture needle slightly stretch out described localised puncture sleeve pipe.
Described step (1) specifically comprises the steps:
(1.1) puncturing lever that an employing macromolecular material is made is set;
(1.2) at the head end of described puncturing lever, be provided with one and be conical puncturing head;
(1.3) on the taper seat of puncturing head, process 3～6 pyramid sides, it is symmetrical that those pyramid sides are the center of circle, and forming a pyramid end, the ratio of the radius of the circumradius of the bottom surface of this pyramid end and the bottom surface of puncturing head is 0.4～0.8;
(1.4) one handle is set;
(1.5) described handle is arranged on to the afterbody of described puncturing lever, makes polygonal pyramid puncture needle.
Described step (2) specifically comprises the following steps:
(2.1) sealing gasket is set, the outer rim of sealing pad is provided with a clamping part, and middle part is conical protrusions to a side, and this protruding center be provided with one with the suitable through hole of described puncturing lever, this through hole and described puncturing lever interference fit;
(2.2) check-valves of being made by flexible material is set, the outer rim of this check-valves is provided with a hook part, middle part is provided with the touch panel that balances or cancel each other, the touch panel that balances or cancel each other is oppositely arranged, and be draw close gradually shape make to form between its close both ends of the surface one with the suitable strip seam of described puncturing lever, the medial surface symmetry of the touch panel that balances or cancel each other is respectively established the convex tendon that can strengthen its structural strength; This convex tendon exits strip when seam close both ends of the surface of touch panel that can make to balance or cancel each other at described puncturing lever and closely conflicts, and prevents Intraabdominal high pressure gas leakage;
(2.3) cannula sheath that an employing macromolecular material is made is set, the cavity that the afterbody formation one of this cannula sheath and the appearance profile of described check-valves are suitable, the stem of this cannula sheath extends axially along it, and is provided with nodular tapered protrusion on its lateral surface, and the head end of this cannula sheath is tapered;
(2.4) described check-valves is placed in the cavity of this cannula sheath, and the hook part of this check-valves is buckled on the opening of this cavity;
(2.5) described sealing gasket is arranged on the opening of cavity, and the clamping part of sealing pad is buckled on the hook part of check-valves;
(2.6) upper cover is set, described upper cover is fastened on the opening of described cavity, and then described sealing gasket, check-valves are positioned in the cavity of cannula sheath;
(2.6) two-port valve is set, this two-port valve is fixed on described cannula sheath, and this two-port valve is connected with the cavity of described cannula sheath, make localised puncture sleeve pipe.
A kind of perforator of implementing the sleeve puncture outfit manufacture method that above-mentioned disposable celiac mirror uses, it comprises a location puncture casing and one and the suitable polygonal pyramid puncture needle of this localised puncture sleeve pipe, this polygonal pyramid puncture needle is plugged in described localised puncture sleeve pipe, and its head end slightly stretches out this localised puncture sleeve pipe.
Described polygonal pyramid puncture needle comprises that a puncturing lever and is arranged on the handle of this puncturing lever afterbody, the head end of this puncturing lever is provided with one and is conical puncturing head, is the center of circle and is symmetrically distributed with a plurality of pyramids side and forms a pyramid end on the taper seat of this puncturing head.
The circumradius of the bottom surface of described pyramid end is less than the radius of the bottom surface of puncturing head.
The ratio of the circumradius of bottom surface of described pyramid end and the radius of the bottom surface of puncturing head is 0.4～0.8.
The quantity of described pyramid side is 3～6.
Described localised puncture sleeve pipe comprises cannula sheath, upper cover, sealing gasket, check-valves and two-port valve, the cavity that the afterbody formation one of described cannula sheath and the appearance profile of described check-valves are suitable, the stem of this cannula sheath extends axially along it, described check-valves is placed in the cavity of this cannula sheath, described sealing gasket is arranged on the opening of this cavity, described upper cover is fastened on this cavity, and can be by described sealing gasket, check-valves location, described two-port valve is arranged on described cannula sheath, and is connected with the cavity of this cannula sheath.
The lateral surface of the stem of described cannula sheath is provided with nodular tapered protrusion, and the head end of this cannula sheath is tapered.
Beneficial effect of the present invention is: method operation provided by the invention is simple, is easy to realize, and cost is low, perforator design provided by the invention is ingenious, rational in infrastructure, be provided with polygonal pyramid puncture needle, when puncture, first utilize the pyramid end incised tissue on it, then the taper seat through puncturing head carries out reaming again, damage little, safety and the effectiveness of puncture operation have effectively been improved, cannula sheath is provided with nodular tapered protrusion, stationarity is difficult for well slippage, stop tradition and cause the phenomenon of security incident because of easy slippage, and the head end of cannula sheath is tapered, resistance in the time of can not only reducing to puncture, handled easily, can also further reduce otch to damage, realize Wicresoft's effect.By two-port valve, be connected with pneumoperitoneum apparatus, gas can be inputted to abdominal cavity, the air pressure of abdominal part while maintaining operation.In addition, overall structure is simple, is easy to realize, and cost is low, and is disposable use, avoids cross infection, guarantees the safety of using.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is the complete section structural representation of Fig. 1;
Fig. 3 is the polygonal pyramid puncture needle structure schematic diagram in Fig. 1;
Fig. 4 is the structural representation of the local A of Fig. 3;
Fig. 5 is the puncturing head structural representation in Fig. 3;
Fig. 6 is the localised puncture sleeve structure schematic diagram in Fig. 1;
Fig. 7 is the check valve structure schematic diagram in Fig. 6;
Fig. 8 is state one structural representation of the present invention while using;
Fig. 9 is state two structural representations of the present invention while using;
Figure 10 is state three structural representations of the present invention while using;
Figure 11 is state four structural representations of the present invention while using;
Figure 12 is state five structural representations of the present invention while using.
The specific embodiment
Embodiment: referring to Fig. 1 to Fig. 7, the sleeve puncture outfit manufacture method that the embodiment of the present invention provides a kind of disposable celiac mirror to use, it comprises the steps:
(1) a polygonal pyramid puncture needle 2 is set;
(2) a location puncture casing 1 is set;
(3) described polygonal pyramid puncture needle is plugged in localised puncture sleeve pipe, and makes the head end of this polygonal pyramid puncture needle slightly stretch out described localised puncture sleeve pipe.
Described step (1) specifically comprises the steps:
(1.1) puncturing lever 21 that an employing macromolecular material is made is set;
(1.2) at the head end of described puncturing lever 21, be provided with one and be conical puncturing head 23;
(1.3) on the taper seat of puncturing head 23, process 3～6 pyramid sides 25, those 25Cheng centers of circle, pyramid side are symmetrical, and forming a pyramid end 26, the ratio of the radius of the bottom surface of the circumradius of the bottom surface of this pyramid end 26 and puncturing head 23 is 0.4～0.8;
(1.4) one handle 22 is set;
(1.5) described handle 22 is arranged on to the afterbody of described puncturing lever 21, makes polygonal pyramid puncture needle 2.
Described step (2) specifically comprises the following steps:
(2.1) sealing gasket 13 is set, the outer rim of sealing pad 13 is provided with a clamping part 131, middle part is conical protrusions to a side, and this protruding center be provided with one with the suitable through hole 132 of described puncturing lever 21, this through hole 132 and described puncturing lever 21 interference fit;
(2.2) check-valves of being made by flexible material 14 is set, the outer rim of this check-valves 14 is provided with a hook part 141, middle part is provided with the touch panel 142 that balances or cancel each other, the touch panel 142 that balances or cancel each other is oppositely arranged, and be draw close gradually shape make to form between its close both ends of the surface one with the suitable strip seam 143 of described puncturing lever 21, the medial surface symmetry of the touch panel 142 that balances or cancel each other is respectively established the convex tendon 144 that can strengthen its structural strength; This convex tendon 144 exits strip at described puncturing lever 21 and stitches the close both ends of the surface of touch panel 142 that can make to balance or cancel each other at 143 o'clock and closely conflict, and prevents Intraabdominal high pressure gas leakage;
(2.3) cannula sheath 11 that an employing macromolecular material is made is set, the cavity 16 that the afterbody formation one of this cannula sheath 11 and the appearance profile of described check-valves 14 are suitable, the stem of this cannula sheath 11 extends axially along it, and on its lateral surface, being provided with nodular tapered protrusion, these cannula sheath 11 head ends are tapered;
(2.4) described check-valves 14 is placed in the cavity 16 of this cannula sheath 11, and the hook part of this check-valves 14 is buckled on the opening of this cavity 16;
(2.5) described sealing gasket 13 is arranged on the opening of cavity 16, and the clamping part of sealing pad 13 is buckled on the hook part of check-valves 14;
(2.6) upper cover 12 is set, described upper cover 12 is fastened on the opening of described cavity 16, and then described sealing gasket 13, check-valves 14 are positioned in the cavity 16 of cannula sheath 11;
(2.6) two-port valve 15 is set, this two-port valve 15 is fixed on described cannula sheath 11, and this two-port valve 15 is connected with the cavity 16 of described cannula sheath 11, make localised puncture sleeve pipe 1.
A kind of perforator of implementing the sleeve puncture outfit manufacture method that above-mentioned disposable celiac mirror uses, it comprises a location puncture casing 1 and one and the suitable polygonal pyramid puncture needle 2 of this localised puncture sleeve pipe 1, this polygonal pyramid puncture needle 2 is plugged in described localised puncture sleeve pipe 1, and its head end slightly stretches out this localised puncture sleeve pipe 1.
Described polygonal pyramid puncture needle 2 comprises that a puncturing lever 21 and is arranged on the handle 22 of these puncturing lever 21 afterbodys, the head end of this puncturing lever 21 is provided with one and is conical puncturing head 23, is the center of circle and is symmetrically distributed with a plurality of pyramids side 25 and forms a pyramid end 26 on the taper seat 24 of this puncturing head 23.
The circumradius r of the bottom surface of described pyramid end 26 is less than the radius R of the bottom surface of puncturing head 23.
The ratio of the radius R of the circumradius r of the bottom surface of described pyramid end 26 and the bottom surface of puncturing head 23 is 0.4～0.8.
Described localised puncture sleeve pipe 1 comprises cannula sheath 11, upper cover 12, sealing gasket 13, check-valves 14 and two-port valve 15, the cavity 16 that the afterbody formation one of described cannula sheath 11 and the appearance profile of described check-valves 14 are suitable, the stem of this cannula sheath 11 extends axially along it, the outer rim of described sealing gasket 13 is provided with a clamping part 131, middle part is conical protrusions to a side, and this protruding center be provided with one with the suitable through hole 132 of described puncturing lever 21, this through hole 132 and described puncturing lever 21 interference fit; The outer rim of described check-valves 14 is provided with a hook part 141, middle part is provided with the touch panel 142 that balances or cancel each other, the touch panel 142 that balances or cancel each other is oppositely arranged, and be draw close gradually shape make to form between its close both ends of the surface one with the suitable strip seam 143 of described puncturing lever 21, the medial surface symmetry of the touch panel 142 that balances or cancel each other is respectively established the convex tendon 144 that can strengthen its structural strength; This convex tendon 144 exits strip at described puncturing lever 21 and stitches the close both ends of the surface of touch panel 142 that can make to balance or cancel each other at 143 o'clock and closely conflict, and prevents Intraabdominal high pressure gas leakage; Described check-valves 14 is placed in the cavity 16 of this cannula sheath 11, described sealing gasket 13 is arranged on the opening of this cavity 16, described upper cover 12 is fastened on this cavity 16, and can be by described sealing gasket 13, check-valves 14 location, described two-port valve 15 is arranged on described cannula sheath 11, and is connected with the cavity 16 of this cannula sheath 11.The lateral surface of the stem of described cannula sheath 11 is provided with nodular tapered protrusion 17, and the head end 18 of this cannula sheath 11 is tapered.
In the present embodiment, the quantity of described pyramid side 25 is 4, in other embodiment, and can be according to the required quantity of selecting corresponding pyramid side 25 between 3～6 of operation.
When puncture, referring to Fig. 8, pyramid end 26 is thrust human abdomen and is organized 3, referring to Fig. 9, utilize the seamed edge incised tissue 3 of pyramid end 26, when puncturing head 23 enters after tissue 3 one segment distances, referring to Figure 10, the 24 pairs of otch of taper seat on recycling puncturing head 23 are expanded, then because the head end 18 of cannula sheath 11 is tapered, referring to Figure 11, utilize the conical surface also otch to be expanded, until perforator enters abdominal cavity.Again perforator is advanced to a segment distance in abdominal cavity, referring to Figure 12, make the tapered protrusion 17 of cannula sheath 11 enter abdominal cavity.In tapered protrusion 17 and otch, expand under the combined effect of the contractility forming, thereby realize, cannula sheath 11 is securely fixed on stomach wall.By two-port valve 15, be connected with pneumoperitoneum apparatus, gas can be inputted to abdominal cavity, the air pressure of abdominal part while maintaining operation.In addition, puncturing lever and cannula sheath adopt macromolecular material to make, and disposable use, avoids cross infection, have guaranteed the safety of using.
As described in the above embodiment the present invention, adopt structure same or similar with it and other perforator and the manufacture method thereof that obtain, all in protection domain of the present invention.
Claims (5)
1. the sleeve puncture outfit manufacture method that disposable celiac mirror is used, is characterized in that, it comprises the steps:
(1) a polygonal pyramid puncture needle is set; Described step (1) specifically comprises the steps:
(1.1) puncturing lever that an employing macromolecular material is made is set;
(1.2) at the head end of described puncturing lever, be provided with one and be conical puncturing head;
(1.3) on the taper seat of puncturing head, process 3～6 pyramid sides, those pyramid sides are uniformly distributed around conical tip, and forming a pyramid end, the ratio of the radius of the circumradius of the bottom surface of this pyramid end and the bottom surface of puncturing head is 0.4～0.8;
(1.4) one handle is set;
(1.5) described handle is arranged on to the afterbody of described puncturing lever, makes polygonal pyramid puncture needle;
(2) a location puncture casing is set;
(3) described polygonal pyramid puncture needle is plugged in localised puncture sleeve pipe, and makes the head end of this polygonal pyramid puncture needle slightly stretch out described localised puncture sleeve pipe.
2. the sleeve puncture outfit manufacture method that disposable celiac mirror according to claim 1 is used, is characterized in that, described step (2) specifically comprises the following steps:
(2.1) sealing gasket is set, the outer rim of sealing pad is provided with a clamping part, and middle part is conical protrusions to a side, and this protruding center be provided with one with the suitable through hole of described puncturing lever, this through hole and described puncturing lever interference fit;
(2.2) check-valves of being made by flexible material is set, the outer rim of this check-valves is provided with a hook part, middle part is provided with the touch panel that balances or cancel each other, the touch panel that balances or cancel each other is oppositely arranged, and be draw close gradually shape make to form between its close both ends of the surface one with the suitable strip seam of described puncturing lever, the medial surface symmetry of the touch panel that balances or cancel each other is respectively established the convex tendon that can strengthen its structural strength; This convex tendon exits strip when seam close both ends of the surface of touch panel that can make to balance or cancel each other at described puncturing lever and closely conflicts, and prevents Intraabdominal high pressure gas leakage;
(2.3) cannula sheath that an employing macromolecular material is made is set, the cavity that the afterbody formation one of this cannula sheath and the appearance profile of described check-valves are suitable, the stem of this cannula sheath extends axially along it, and is provided with nodular tapered protrusion on its lateral surface, and the head end of this cannula sheath is tapered;
(2.4) described check-valves is placed in the cavity of this cannula sheath, and the hook part of this check-valves is buckled on the opening of this cavity;
(2.5) described sealing gasket is arranged on the opening of cavity, and the clamping part of sealing pad is buckled on the hook part of check-valves;
(2.6) upper cover is set, described upper cover is fastened on the opening of described cavity, and then described sealing gasket, check-valves are positioned in the cavity of cannula sheath;
(2.6) two-port valve is set, this two-port valve is fixed on described cannula sheath, and this two-port valve is connected with the cavity of described cannula sheath, make localised puncture sleeve pipe.
3. a perforator that implements the claims the sleeve puncture outfit manufacture method that described in 1, disposable celiac mirror is used, it is characterized in that, it comprises a location puncture casing and one and the suitable polygonal pyramid puncture needle of this localised puncture sleeve pipe, this polygonal pyramid puncture needle is plugged in described localised puncture sleeve pipe, and its head end slightly stretches out this localised puncture sleeve pipe, described polygonal pyramid puncture needle comprises that a puncturing lever and is arranged on the hands handle of this puncturing lever afterbody, the head end of this puncturing lever is provided with one and is conical puncturing head, on the taper seat of this puncturing head, around conical tip, be evenly distributed with a plurality of pyramids side and form a pyramid end, the circumradius of the bottom surface of described pyramid end is less than the radius of the bottom surface of puncturing head, and the ratio of the circumradius of bottom surface of described pyramid end and the radius of the bottom surface of puncturing head is 0.4～0.8.
4. perforator according to claim 3, it is characterized in that, described localised puncture sleeve pipe comprises cannula sheath, upper cover, sealing gasket, check-valves and two-port valve, the cavity that the afterbody formation one of described cannula sheath and the appearance profile of described check-valves are suitable, the stem of this cannula sheath extends axially along it, described check-valves is placed in the cavity of this cannula sheath, described sealing gasket is arranged on the opening of this cavity, described upper cover is fastened on this cavity, and can be by described sealing gasket, check-valves location, described two-port valve is arranged on described cannula sheath, and be connected with the cavity of this cannula sheath.
5. perforator according to claim 4, is characterized in that, the lateral surface of the stem of described cannula sheath is provided with nodular tapered protrusion, and the head end of this cannula sheath is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248990.7A CN102327142B (en) | 2011-08-26 | 2011-08-26 | Manufacturing method of cannula puncture outfit for disposable laparoscope and puncture outfit for implementing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248990.7A CN102327142B (en) | 2011-08-26 | 2011-08-26 | Manufacturing method of cannula puncture outfit for disposable laparoscope and puncture outfit for implementing same |
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| CN102327142A CN102327142A (en) | 2012-01-25 |
| CN102327142B true CN102327142B (en) | 2014-02-19 |
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| CN201110248990.7A Active CN102327142B (en) | 2011-08-26 | 2011-08-26 | Manufacturing method of cannula puncture outfit for disposable laparoscope and puncture outfit for implementing same |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD753303S1 (en) | 2014-07-29 | 2016-04-05 | Ethicon Endo-Surgery, Llc | Trocar |
| CN104983452B (en) * | 2015-05-22 | 2017-10-13 | 东莞麦可龙医疗科技有限公司 | The manufacture method and reducing abdominal cavity puncture outfit of reducing abdominal cavity puncture outfit |
| CN105962998B (en) * | 2016-04-16 | 2020-11-10 | 江苏风和医疗器材股份有限公司 | Puncture outfit sleeve pipe and puncture outfit with same |
| CN107397578A (en) * | 2016-05-18 | 2017-11-28 | 杨欣 | A kind of scrotum mirror puncture cannula |
| CN106798954A (en) * | 2017-03-07 | 2017-06-06 | 无锡圣诺亚科技有限公司 | Exempt from dirty enteric cavity irrigator |
| CN108042184A (en) * | 2017-12-21 | 2018-05-18 | 佛山市第人民医院 | A kind of abdominal cavity puncture outfit for expanding positioning |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2400324B (en) * | 2003-04-12 | 2006-04-05 | Femcare | Improvements in or relating to trocars |
| US8206411B2 (en) * | 2003-09-30 | 2012-06-26 | Ethicon Endo-Surgery, Inc. | Trocar housing/stop-cock assembly |
| CN1745722A (en) * | 2004-09-06 | 2006-03-15 | 佛山特种医用导管有限责任公司 | Sleeving puncture of laparoscope |
| CN101843518B (en) * | 2010-06-07 | 2011-10-05 | 常州威克医疗器械有限公司 | Disposable puncture device |
| CN202342146U (en) * | 2011-10-17 | 2012-07-25 | 东莞微视医疗科技有限公司 | Disposable cannula puncture outfit for peritoneoscope |
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Address after: 523000 Guangdong city of Dongguan province Samsung village Xia Ni Cun town Venus Industrial Zone No. 12 building two floor West Applicant after: Microview Medical Technology Co., Ltd. Address before: 523000 Industrial Zone, Qingxi Town, Guangdong, Dongguan Applicant before: Dongguan Microview Medical Technology Co., Ltd. |
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