CN104783858B - A kind of haemostatic clamp used in operation - Google Patents
A kind of haemostatic clamp used in operation Download PDFInfo
- Publication number
- CN104783858B CN104783858B CN201510245362.1A CN201510245362A CN104783858B CN 104783858 B CN104783858 B CN 104783858B CN 201510245362 A CN201510245362 A CN 201510245362A CN 104783858 B CN104783858 B CN 104783858B
- Authority
- CN
- China
- Prior art keywords
- clamp
- supporting rod
- spring
- swingle
- bent stick
- 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.)
- Active
Links
- 229940030225 antihemorrhagics Drugs 0.000 title claims abstract description 15
- 230000000025 haemostatic effect Effects 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000013536 elastomeric material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 210000000080 chela (arthropods) Anatomy 0.000 claims 1
- 230000023597 hemostasis Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000002874 hemostatic agent Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
- A61B17/1227—Spring clips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00862—Material properties elastic or resilient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
Abstract
A kind of haemostatic clamp used in operation, including the first supporting rod, second supporting rod, first bent stick, first jaw device, second bent stick, second jaw device, whirligig, first spring, first locating rod and the second locating rod, first supporting rod includes the first vertical portion and first level portion, the upper surface in first level portion is provided with the first groove, the right-hand member in first level portion is provided with first through hole, second supporting rod includes the second vertical portion and the second horizontal part, first jaw device compresses plate and the first clamp including first, second jaw device compresses plate and the second clamp including second, whirligig includes the first swingle, second swingle and second spring, the upper end of the first spring is fixedly connected with the lower surface in first level portion, the lower end of the first spring is fixedly connected with the upper surface of the second horizontal part.Clamp of the invention is made of flexible material, reduces the damage of patient's wound musculature, protects patient, prevents from increasing the extra pain of patient.
Description
Technical field
The present invention relates to the haemostatic clamp used in technical field of medical instruments, more particularly to a kind of operation.
Background technology
Its clamp of existing Medical hemostat is metal interior tooth, during to the left hemostasis by ligation of blood vessel, is easily damaged
Hinder circumvascular musculature, increase the pain of patient, while also resulting in certain influence to surgical quality.
Accordingly, it is desirable to provide a kind of new technical scheme solves above-mentioned technical problem.
The content of the invention
It is an object of the invention to provide the haemostatic clamp used in a kind of operation that can effectively solve above-mentioned technical problem.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
The haemostatic clamp used in a kind of operation, the haemostatic clamp used in the operation is including the first supporting rod, positioned at described
The second supporting rod below first supporting rod, the first bent stick being arranged on the first supporting rod, the first jaw device, it is arranged at
The second bent stick, the second jaw device on second supporting rod, the rotation between first supporting rod and the second supporting rod
Rotary device, the first spring, the first locating rod on the right side of the whirligig and on the right side of first locating rod
Two locating rods, first supporting rod includes the first vertical portion and the first level portion on the right side of first vertical portion, institute
The upper surface for stating first level portion is provided with the first groove, and the right-hand member in the first level portion is provided with through its upper and lower surface first
Through hole, second supporting rod includes the second vertical portion and the second horizontal part on the right side of second vertical portion, described the
One jaw device includes that first compresses plate and compress the first clamp below plate, the second jaw device bag positioned at described first
Include second to compress plate and compress the second clamp above plate positioned at described second, the whirligig includes the first swingle, the
Two swingles and the second spring being arranged on first swingle, the upper end of first spring and the first level portion
Lower surface be fixedly connected, the lower end of first spring is fixedly connected with the upper surface of second horizontal part, described first
Plate is compressed in semi-annular shape, described first compresses plate is made of elastomeric material, the lower end of first vertical portion and described the
One upper surface for compressing plate is fixedly connected, and the described first lower surface for compressing plate is fixedly connected with first clamp.
First bent stick is in semi-annular shape, the upper table in the lower surface of first bent stick and the first level portion
Face is fixedly connected, and first bent stick is located at the surface of first groove.
The lower surface of second horizontal part is provided with the second groove.
Second bent stick is in semi-annular shape, the following table of the upper surface of second bent stick and second horizontal part
Face is fixedly connected, and second bent stick is located at the underface of second groove.
First clamp is in cuboid, and the first clamp horizontal positioned, first clamp uses flexible material system
Into.
Described second compresses plate in semi-annular shape, and the upper end of second vertical portion compresses plate and fix and connects with described second
Connect, described second compresses plate is made of elastomeric material, described second compresses the upper surface of plate and the following table of second clamp
Face is fixedly connected.
First swingle is in the inclination of lower left upper right side, the upper surface of first swingle and first water
The lower surface contact in flat portion, the upper surface of the lower surface of first swingle and second horizontal part.
The second spring includes upper second spring and underlying lower second spring above, described upper second
The upper end of spring is fixedly connected with the lower surface in first level portion, the lower end of the upper second spring and the upper table of the first swingle
Face is fixedly connected, and the upper end of the lower second spring is fixedly connected with the first swingle, the lower end of the lower second spring and the
The upper surface of two horizontal parts is fixedly connected.
After adopting the above technical scheme, the invention has the advantages that：
The haemostatic clamp simple structure used in present invention operation, it is easy to use, can accurately to the position of needs hemostasis
Clamp, while having automatic impaction function so that doctor can vacate both hands and be performed the operation, improve the effect of surgical
Rate, while clamp is made of flexible material, reduces the damage of patient's wound musculature, protects patient, prevents from increasing patient
Extra pain.
Brief description of the drawings
The specific embodiment of the haemostatic clamp to being used in present invention operation is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the haemostatic clamp used during the present invention performs the operation；
Specific embodiment
As shown in figure 1, the haemostatic clamp used in present invention operation is including the first supporting rod 1, positioned at first supporting rod 1
Second supporting rod 5 of lower section, the first bent stick 2 being arranged on the first supporting rod 1, the first jaw device 3, it is arranged at second
The second bent stick 6, the second jaw device 4 on supporting rod 5, the rotation between the supporting rod 5 of first supporting rod 1 and second
Rotary device 7, the first spring 10, the first locating rod 8 positioned at the right side of the whirligig 7 and right positioned at first locating rod 8
Second locating rod 9 of side.
As shown in figure 1, first supporting rod 1 is L-shaped, first supporting rod 1 includes the first vertical portion 12 and is located at
The first level portion 11 on the right side of first vertical portion 12, first vertical portion 12 and the one of first level portion 11 into
Type.The first level portion 11 is in cuboid, the horizontal positioned of first level portion 11, the upper surface in the first level portion 11
The first groove 13 is provided with, the semicircular in shape of the first groove 13, the right-hand member in the first level portion 11 is provided with through following table thereon
The first through hole 14 in face, the first through hole 14 is in rectangular-shape.First bent stick 2 is in semi-annular shape, and described first is curved
The lower surface of curved bar 2 is fixedly connected with the upper surface in the first level portion 11, and it is recessed that first bent stick 2 is located at described first
The surface of groove 13.
As shown in figure 1, second supporting rod 5 is L-shaped, second supporting rod 5 includes the second vertical portion 52 and is located at
Second horizontal part 51 on the right side of second vertical portion 52, second vertical portion 52 and the one of the second horizontal part 51 into
Type.Second horizontal part 51 is in cuboid, the horizontal positioned of the second horizontal part 51.The lower surface of second horizontal part 51
It is provided with the second groove 53, the semicircular in shape of the second groove 53.Second bent stick 6 is in semi-annular shape, and described second is curved
The upper surface of curved bar 6 is fixedly connected with the lower surface of second horizontal part 51, and it is recessed that second bent stick 6 is located at described second
The underface of groove 53.
As shown in figure 1, first jaw device 3 compresses plate 31 and is compressed under plate 31 positioned at described first including first
First clamp 32 of side.Described first compresses plate 31 in semi-annular shape, and described first compresses plate 31 is made of elastomeric material, institute
The lower end for stating the first vertical portion 12 is fixedly connected with first upper surface for compressing plate 31, and described first compresses the following table of plate 31
Face is fixedly connected with first clamp 32.First clamp 32 is in cuboid, and the horizontal positioned of the first clamp 32 is described
First clamp 32 is made of flexible material.
As shown in figure 1, second jaw device 4 is similar with the structure of first jaw device 3, second clamp
Device 4 includes that second compresses plate 42 and positioned at the described second the second clamp 41 for compressing the top of plate 42.Described second compresses plate 42
In semi-annular shape, the upper end of second vertical portion 52 compresses plate 42 and is fixedly connected with described second, and described second compresses plate 42
It is made of elastomeric material, the described second upper surface for compressing plate 42 is fixedly connected with the lower surface of second clamp 41.Institute
The second clamp 41 is stated in cuboid, the horizontal positioned of the second clamp 41, second clamp 41 is made of flexible material, institute
State the underface that the second clamp 41 is located at first clamp 32.
As shown in figure 1, the whirligig 7 includes the first swingle 71, the second swingle 72 and is arranged at described first
Second spring 73 on swingle 71.First swingle 71 is inclined in lower left upper right side, first swingle 71
Upper surface contacted with the lower surface in the first level portion 11, the lower surface of first swingle 71 and second level
The upper surface in portion 51.Second swingle 72 is inclined in upper left lower right, the upper table of second swingle 72
Face contacts with the lower surface in the first level portion 11, the lower surface of second swingle 72 and second horizontal part 51
Upper surface, second swingle 72 is provided with rectangular opening 721, and first swingle 71 passes through the rectangular opening 721
And turn to be connected with the axle of the second swingle 72.The second spring 73 is provided with two and is located at upper and lower both sides, described the respectively
Two springs 73 include upper second spring and underlying lower second spring above, the upper end of the upper second spring with
The lower surface in first level portion 11 is fixedly connected, and the lower end of the upper second spring is fixed with the upper surface of the first swingle 71 and connected
Connect.The upper end of the lower second spring is fixedly connected with the first swingle 71, lower end and second level of the lower second spring
The upper surface in portion 51 is fixedly connected.
As shown in figure 1, first spring 10 is provided with two and respectively positioned at the left and right sides of the whirligig 7, institute
The upper end for stating the first spring 10 is fixedly connected with the lower surface in the first level portion 11, the lower end of first spring 10 and institute
The upper surface for stating the second horizontal part 51 is fixedly connected.First locating rod 8 is in cuboid, the following table of first locating rod 8
Face is fixedly connected with the upper surface of second horizontal part 51, the right surface of first locating rod 8 and second horizontal part
51 right surface is in same perpendicular, and first locating rod 8 is located at the underface of the first through hole 14, described the
A positioning rod 8 can be contained in the first through hole 14.Second locating rod 9 is in cuboid, and second locating rod 9 is erected
Straight to place, the right surface in the first level portion 11 is fixedly connected with the left surface of second locating rod 9, the first level
The upper surface in portion 11 is in same level with the upper surface of second locating rod 9, the left surface of second locating rod 9
Right surface with first locating rod 8 is slidably connected.
As shown in figure 1, when the haemostatic clamp used in the present invention operation is used, finger is extend into the first groove first
13 and first between bent stick 2 and the second groove 53 and the second bent stick 6, then pull the first supporting rod to upper and lower both sides respectively
1 and second supporting rod 5 so that the distance between the first supporting rod 1 and the second supporting rod 5 increase, and the first clamp 32 is clamped with second
Folder the distance between 41 increases, and the position of hemostasis then will be needed to be placed between the first clamp 32 and the second clamp 41, Ran Hou
One supporting rod 1 is close to each other in the presence of the first spring 10 with the second supporting rod 5 so that the first clamp 32 and the second clamp 41
The distance between reduce, until the first clamp 32 and the second clamp 41 will need the position of hemostasis to clamp, now first position
Bar 8 is contained in first through hole 14, due to the effect of the first spring 10 so that the first clamp 32 and the second clamp 41 are by the position
What is clamped more consolidates.So far, the haemostatic clamp for being used in present invention operation uses process description to finish.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (1)
1. the haemostatic clamp for being used in a kind of operation, it is characterised in that：The haemostatic clamp used in the operation include the first supporting rod,
The second supporting rod below first supporting rod, the first bent stick being arranged on the first supporting rod, the first clamp dress
The second bent stick for put, being arranged on the second supporting rod, the second jaw device, positioned at first supporting rod and the second supporting rod
Between whirligig, the first spring, the first locating rod on the right side of the whirligig and positioned at first locating rod
Second locating rod on right side, first supporting rod includes the first vertical portion and the first water on the right side of first vertical portion
Flat portion, the upper surface in the first level portion is provided with the first groove, and the right-hand member in the first level portion is provided with through following table thereon
The first through hole in face, second supporting rod includes the second vertical portion and the second level on the right side of second vertical portion
Portion, first jaw device includes that first compresses plate and compress the first clamp below plate, described second positioned at described first
Jaw device includes that second compresses plate and compress the second clamp above plate positioned at described second, and the whirligig includes first
Swingle, the second swingle and the second spring being arranged on first swingle, the upper end of first spring with it is described
The lower surface in first level portion is fixedly connected, and the lower end of first spring is fixed with the upper surface of second horizontal part and connected
Connect, described first compresses plate in semi-annular shape, and described first compresses plate is made of elastomeric material, under first vertical portion
End is fixedly connected with first upper surface for compressing plate, and the described first lower surface for compressing plate is fixed with first clamp and connected
Connect；First bent stick is in semi-annular shape, and the lower surface of first bent stick is consolidated with the upper surface in the first level portion
Fixed connection, first bent stick is located at the surface of first groove；First clamp is in cuboid, first pincers
Folder horizontal positioned, first clamp is made of flexible material.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323224.XA CN106901795A (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
| CN201510245362.1A CN104783858B (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
| CN201710323229.2A CN106901796A (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245362.1A CN104783858B (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710323224.XA Division CN106901795A (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
| CN201710323229.2A Division CN106901796A (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104783858A CN104783858A (en) | 2015-07-22 |
| CN104783858B true CN104783858B (en) | 2017-06-30 |
Family
ID=53549378
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510245362.1A Active CN104783858B (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
| CN201710323224.XA Pending CN106901795A (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
| CN201710323229.2A Pending CN106901796A (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710323224.XA Pending CN106901795A (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
| CN201710323229.2A Pending CN106901796A (en) | 2015-05-14 | 2015-05-14 | A kind of haemostatic clamp used in operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN104783858B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939895B (en) * | 2015-07-25 | 2017-04-05 | 青岛市市立医院 | A kind of Medical forceps |
| CN105193470A (en) * | 2015-08-21 | 2015-12-30 | 张萍 | Hemostatic forceps used during operation and capable of effectively improving hemostatic efficiency |
| CN105796149B (en) * | 2016-04-15 | 2018-08-31 | 济南市儿童医院 | A kind of surgery haemostatic clamp that clamping is stable |
| CN108652698B (en) * | 2018-03-19 | 2020-11-20 | 重庆博创知识产权运营有限公司 | Medical hemostatic forceps |
| CN111991050A (en) * | 2020-07-20 | 2020-11-27 | 吴晨凯 | Artery opening and closing hemostatic device |
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|---|---|---|---|---|
| WO2000078234A1 (en) * | 1999-06-18 | 2000-12-28 | Novare Surgical Systems, Inc. | Surgical clamp pads with elastomer impregnated mesh |
| CN203195734U (en) * | 2013-04-22 | 2013-09-18 | 孙月丽 | Hemostatic forceps used for cardiovascular surgery |
| CN103919587A (en) * | 2014-04-09 | 2014-07-16 | 莫经刚 | Great saphenous vein drawing and peeling tunnel hemostat |
| CN204765784U (en) * | 2015-05-14 | 2015-11-18 | 周末 | Hemostatic forceps that uses in operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1509053A1 (en) * | 1988-01-15 | 1989-09-23 | С. А. Попов | Compression device |
| US20040010283A1 (en) * | 2002-07-15 | 2004-01-15 | Buzard Richard A. | Apparatus fot treatment of a nose bleed |
| CN2737312Y (en) * | 2004-09-22 | 2005-11-02 | 胥常琴 | Medical hemostatic clamp |
| JP2009148484A (en) * | 2007-12-21 | 2009-07-09 | Kazuo Tsukamoto | Hemostatic clamp |
| CN201510373U (en) * | 2009-09-08 | 2010-06-23 | 广州医学院第一附属医院 | Porous elastic vessel clip |
| CN201617892U (en) * | 2010-03-04 | 2010-11-03 | 卢言红 | Intravenous infusion hemostatic clamp |
| CN201814616U (en) * | 2010-09-28 | 2011-05-04 | 隋雪梅 | Medical hemostat |
| CN202078358U (en) * | 2011-04-18 | 2011-12-21 | 中国人民解放军第二军医大学 | Separable portal vein blocker |
| CN202458547U (en) * | 2012-03-17 | 2012-10-03 | 张波 | Novel hemostatic suture forceps for neurosurgery department |
| CN202761361U (en) * | 2012-10-01 | 2013-03-06 | 刘喜云 | Hemostatic forceps |
| CN203647420U (en) * | 2014-01-17 | 2014-06-18 | 夏博 | Surgical haemostatic forceps for general surgery department |
| CN204016439U (en) * | 2014-08-19 | 2014-12-17 | 刘守叶 | A kind of obstetrics and gynecology operation mosquito forceps |
-
2015
- 2015-05-14 CN CN201510245362.1A patent/CN104783858B/en active Active
- 2015-05-14 CN CN201710323224.XA patent/CN106901795A/en active Pending
- 2015-05-14 CN CN201710323229.2A patent/CN106901796A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000078234A1 (en) * | 1999-06-18 | 2000-12-28 | Novare Surgical Systems, Inc. | Surgical clamp pads with elastomer impregnated mesh |
| CN203195734U (en) * | 2013-04-22 | 2013-09-18 | 孙月丽 | Hemostatic forceps used for cardiovascular surgery |
| CN103919587A (en) * | 2014-04-09 | 2014-07-16 | 莫经刚 | Great saphenous vein drawing and peeling tunnel hemostat |
| CN204765784U (en) * | 2015-05-14 | 2015-11-18 | 周末 | Hemostatic forceps that uses in operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106901796A (en) | 2017-06-30 |
| CN106901795A (en) | 2017-06-30 |
| CN104783858A (en) | 2015-07-22 |
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Effective date of registration: 20170425 Address after: 830000 Urumqi science and technology zone, the Xinjiang Uygur Autonomous Region high tech street, No. 1, No. 384 Applicant after: URUMQI JIUPIN SESAME INFORMATION TECHNOLOGY CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Futian District Kitamura 34 building 505 Applicant before: Zhou Mo |
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Effective date of registration: 20170605 Address after: 266042 No. four, No. 127 South Road, Shandong, Qingdao Applicant after: Zhongxin Hospital, Qingdao Applicant after: QINGDAO TUMOUR HOSPITAL Address before: 830000 Urumqi science and technology zone, the Xinjiang Uygur Autonomous Region high tech street, No. 1, No. 384 Applicant before: URUMQI JIUPIN SESAME INFORMATION TECHNOLOGY CO., LTD. |
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Effective date of registration: 20201125 Address after: 25-1 Wuzhuang village, Banqiao neighborhood committee, weizhai Town, Linquan County, Fuyang City, Anhui Province Patentee after: Linquan lingcui Technical Service Co., Ltd Address before: 266042 No. four, No. 127 South Road, Shandong, Qingdao Patentee before: QINGDAO CENTRAL Hospital Patentee before: QINGDAO TUMOUR Hospital |
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