CN109998606A - Medical instrument connector and with the connecting-piece structure medical tissue folder - Google Patents
Medical instrument connector and with the connecting-piece structure medical tissue folder Download PDFInfo
- Publication number
- CN109998606A CN109998606A CN201910288061.5A CN201910288061A CN109998606A CN 109998606 A CN109998606 A CN 109998606A CN 201910288061 A CN201910288061 A CN 201910288061A CN 109998606 A CN109998606 A CN 109998606A
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- Prior art keywords
- connector
- connection sheet
- length
- intermediate plate
- medical instrument
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- 239000000463 material Substances 0.000 claims abstract description 30
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000001574 biopsy Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 15
- 238000004080 punching Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A61B10/04—Endoscopic instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of medical instrument connector and the folder of the medical tissue with the connecting-piece structure, connector include connecting tube and connection sheet, and connecting tube is equipped with cavity along its length, and connection sheet has connecting hole；Connection sheet includes segmental arc, straightway and changeover portion, and connecting hole is located at segmental arc；Tissue folder includes connector, silk material, casing and intermediate plate, and one end of connector is connect with silk material and the other end is connect with intermediate plate by pin shaft, and casing is placed on the junction of connector and intermediate plate.The present invention provides a kind of medical instrument connector and the medical tissue folder with the connecting-piece structure, and the biopsy that can be connect the silk material of random length with needs using this connector or surgical instrument are connected, easy to operate, is connected firmly, will not loosen；And do not limited by the length of connecting object, strong operability has a wide range of application, and simultaneous processing process is simple, high production efficiency, and the yield of product is high.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of medical instrument connector and have the connector
The medical tissue of structure presss from both sides.
Background technique
It is often required to use the very long silk material of length or tubing in medical instrument, biopsy or surgical instrument is connected to silk material
One end is protruded into the human body, is checked or is performed the operation, and is used widely in clinical treatment, such as performing the operation or stopping blooding
Medical tissue folder, usually to extend into inside of human body, need elongated silk material end connection tissue folder be just able to achieve
It protrudes into and is performed the operation or stopped blooding into the human body.
Currently, being usually to reconnect tissue folder etc. after the structure that the end of silk material is directly stamped and formed out similar connector
Medical instrument adds man-hour requirement that whole silk material is placed in the station of equipment, then to the end of silk material since silk material is long
Portion's punching press, especially for extremely long silk material, difficulty of processing is big, and production efficiency is low, and yields is low.
The assembly process is complicated, the controllability of intermediate plate maximum open is poor for existing tissue folder；Lead to production low efficiency, presss from both sides
Easy maloperation when holding.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of medical instrument connector and with the connecting-piece structure
Medical tissue folder, by designing the biopsy or surgical instrument connection that the silk material of random length is connect by new connector with needs,
It is easy to operate, it is connected firmly, will not loosen；And do not limited by the length of connecting object, strong operability has a wide range of application, together
When process it is simple, high production efficiency, the yield of product is high；Tissue folder of the invention is simple for assembly process, promotes product
Production efficiency, and using when be not easy to cause maloperation.
In order to solve the above technical problems, one technical scheme adopted by the invention is that:
The present invention provides a kind of medical instrument connector, and the connector includes connecting tube and connection sheet, the connecting tube
It is integrated and connect with the connection sheet, the connecting tube is equipped with cavity along its length far from one end of connection sheet, described
Connection sheet is the flat connection sheet that one end of connector is stamped and formed out, and the connection sheet has connecting hole；
The connection sheet includes segmental arc, straightway and changeover portion, the both ends of the segmental arc respectively with the straightway
Integrally connected, the two sides of the straightway along connector length direction gradually to centerline dip and with the changeover portion
One end integrally connected, the other end of the changeover portion and the connecting tube integrally connected, the connecting hole are located at the segmental arc,
The center of circle of the connecting hole is overlapped with the center of circle of the segmental arc, between the side of the straightway and the side of the changeover portion
With the first angle, first angle is obtuse angle.
Further say, the two sides of the straightway to the angle of centerline dip be 15-25 °.
It further says, the diameter of the connecting hole is 0.4-0.6mm.
It further says, the connector is stainless steel adapting piece.
It further says, the length of the arc segment is 0.5-0.6mm, and the width of the arc segment is 0.8-1.2mm, institute
The length for stating straightway is 0.8-1.2mm, and the length of the changeover portion is 0.4-0.6mm, and the length of the connection sheet is 1.7-
2.4mm, the length of the connecting tube are 3.5-5.5mm, and the length of the connector is 5.2-7.9mm.
It further says, the section of the connecting tube is circle, and the internal diameter of the connecting tube is 0.4-0.6mm.
It further says, the size of first angle is 110-140 °.
It further says, the arc radius of the segmental arc is 0.4-0.6mm.
The present invention also provides a kind of, and the medical tissue with medical instrument connecting-piece structure presss from both sides, including connector, silk material, set
Pipe and intermediate plate, one end of the connector is connect with the silk material and the other end is connect with the intermediate plate by pin shaft, the set
Pipe sleeve is in the junction of connector and intermediate plate；
The intermediate plate has arc root and a pair of adjutage extended forward from arc root, and the adjutage is in intersection
The end of setting, the adjutage forms clamping jaw, has the second angle between the clamping jaw and the adjutage；
The arc root position of intermediate plate is protruded into from the front end of casing, and the connection sheet of connector protrudes into casing from the rear end of casing
And connect with the arc root of intermediate plate by pin shaft, connector is pushed and pulled by silk material, intermediate plate is driven to make in inside pipe casing back-and-forth motion
A pair of of clamping jaw of intermediate plate opens or closure.
It further says, the size of second angle is 90 ° or 135 °.
Beneficial effects of the present invention at least have the following:
One, the present invention includes connecting tube and connection sheet, and connecting tube is integrated with connection sheet and connect, and connecting tube is far from connection sheet
One end be equipped with cavity along its length, silk material can extend into cavity and be fixedly connected by punching press with connecting tube, connection
Piece is the flat connection sheet that is stamped and formed out of one end of connector, and connection sheet has connecting hole, by pin shaft by biopsy or operation
Instrument is connected to connection sheet, and the biopsy that can be connect the silk material of random length with needs using this connector or surgical instrument are connected
It connects, it is easy to operate, it is connected firmly, will not loosen；And do not limited by the length of connecting object, strong operability has a wide range of application,
The process of connector is simple simultaneously, high production efficiency, and the yield of product is high；
More preferably, using stainless steel sheet material, edge rolling punch forming is the mode of stainless steel pipe in mould, compared to pipe
The mode of material cutting is eliminated because of notch out-of-flatness caused by cutting mode, and tube wall collapses, section deformity and tube wall tearing etc. are serious
The problem of influencing pipe workpiece quality, the quality of connector is improved, injured tissue or mucous membrane are scraped after avoiding connector from entering human body, improves doctor
Treat the safety of instrument；
Two, tissue of the invention folder includes connector, silk material, casing and intermediate plate, and one end of connector and silk material punching press connect
It connects and the other end is connect with intermediate plate by pin shaft, casing is placed on the junction of connector and intermediate plate, and tissue of the invention presss from both sides assembling
Simple process, promotes the production efficiency of product, and using when be not easy to cause maloperation.
Detailed description of the invention
Fig. 1 is a schematic structural view of Embodiment 1 of the present invention one；
Fig. 2 is a schematic structural view of Embodiment 1 of the present invention two；
Fig. 3 is the exploded view of the embodiment of the present invention 2；
Fig. 4 is a schematic structural view of Embodiment 2 of the present invention one；
Fig. 5 is a schematic structural view of Embodiment 2 of the present invention two (tissue presss from both sides clamp position)；
The appended drawing reference of each section is as follows in figure:
Connector 1, connecting tube 11, connection sheet 12, cavity 13, connecting hole 14, segmental arc 121, straightway 122,
Changeover portion 123, silk material 2, casing 3, intermediate plate 4, arc root 41, clamping jaw 42, the second angle γ, the first angle α, institute
The two sides of straightway are stated to the angle beta of centerline dip, the length L1 of arc segment, the width W of arc segment, straightway
Length L2, the length L3 of changeover portion, the length L4 of connection sheet, the length L5 of connecting tube, connector length L6 and arc
The arc radius d of section.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..Without departing substantially from spirit of that invention
In the case where essence, to modifications or substitutions made by the method for the present invention, step or condition, protection model of the invention is belonged to
It encloses.
Embodiment 1: a kind of medical instrument connector and the medical tissue folder with the connecting-piece structure, such as Fig. 1-Fig. 2 institute
Show, the connector 1 includes connecting tube 11 and connection sheet 12, and the connecting tube is integrated with the connection sheet and connect, the company
One end far from connection sheet is taken over equipped with cavity 13 along its length, the connection sheet is that one end of connector is stamped and formed out
Flat connection sheet, the connection sheet have connecting hole 14；
The connection sheet includes segmental arc 121, straightway 122 and changeover portion 123, the both ends of the segmental arc respectively with institute
State straightway integrally connected, the two sides of the straightway along connector length direction gradually to centerline dip and with it is described
One end integrally connected of changeover portion, the other end of the changeover portion and the connecting tube integrally connected, the connecting hole are located at institute
Segmental arc is stated, the center of circle of the connecting hole is overlapped with the center of circle of the segmental arc, the side of the straightway and the changeover portion
Side between have the first angle α, first angle is obtuse angle.
The two sides of the straightway to the angle beta of centerline dip be 15-25 °.
In the present embodiment preferably, the two sides of the straightway to the angle of centerline dip be 18 °.
The diameter of the connecting hole is 0.4-0.6mm.
In the present embodiment preferably, the diameter of the connecting hole is 0.518mm.
The connector is stainless steel adapting piece.
The length L1 of the arc segment is 0.5-0.6mm, and the width W of the arc segment is 0.8-1.2mm, the straightway
Length L2 be 0.8-1.2mm, the length L3 of the changeover portion is 0.4-0.6mm, and the length L4 of the connection sheet is 1.7-
2.4mm, the length L5 of the connecting tube are 3.5-5.5mm, and the length L6 of the connector is 5.2-7.9mm.
In the present embodiment preferably, the length of the arc segment is 0.533mm, and the width of the arc segment is
1.094mm, the length of the straightway are 1.077mm, and the length of the changeover portion is 0.524mm, the length of the connection sheet
For 2.152mm, the length of the connecting tube is 4.349mm, and the length of the connector is 6.510mm.
The section of the connecting tube is circle, and the internal diameter of the connecting tube is 0.4-0.6mm.
In the present embodiment preferably, the internal diameter of the connecting tube is 0.5mm.
The size of first angle is 110-140 °.
In the present embodiment preferably, the size of first angle is 126 °.
The arc radius d of the segmental arc is 0.4-0.6mm.
In the present embodiment preferably, the arc radius of the segmental arc is 0.541mm.
Embodiment 2: a kind of medical tissue folder with connecting-piece structure described in embodiment 1, as shown in Figure 3-Figure 5,
Including connector 1, silk material 2, casing 3 and intermediate plate 4, one end of the connector and the silk material stamping connection and the other end and institute
It states intermediate plate to connect by pin shaft, described sleeve pipe is placed on the junction of connector and intermediate plate；
The intermediate plate has arc root 41 and a pair of adjutage 42 extended forward from arc root, and the adjutage is in
Arranged in a crossed manner, the end of the adjutage forms clamping jaw 43, has the second angle between the clamping jaw and the adjutage；
The arc root position of intermediate plate is protruded into from the front end of casing, and the connection sheet of connector protrudes into casing from the rear end of casing
And connect with the arc root of intermediate plate by pin shaft, connector is pushed and pulled by silk material, intermediate plate is driven to make in inside pipe casing back-and-forth motion
A pair of of clamping jaw of intermediate plate opens or closure.
In the present embodiment preferably, the size of second angle is 90 ° or 135.
The working principle of the invention or workflow are as follows:
By the cavity of the connecting tube of silk material insertion connector and it is stamped the two is fixedly connected, will be lived by pin shaft later
Inspection or surgical instrument are connected to connecting tube, are used for biopsy or operation；It can be by the silk material of random length using the connector of design
It is connected with the biopsy or surgical instrument for needing to connect, it is easy to operate, it is connected firmly, will not loosen；And not by the length of connecting object
The limitation of degree, strong operability have a wide range of application；Organize the assembling process of folder simple simultaneously, high production efficiency, the yield of product
It is high.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those skilled in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.Here without exhaustion.And obvious changes or variations extended from this are still in the protection model of the invention
Among enclosing.
Claims (10)
1. a kind of medical instrument connector, it is characterised in that: the connector (1) includes connecting tube (11) and connection sheet (12),
The connecting tube is integrated with the connection sheet and connect, and the connecting tube is equipped with along its length far from one end of connection sheet
Cavity (13), the connection sheet are the flat connection sheet that one end of connector is stamped and formed out, and the connection sheet has connecting hole
(14)；
The connection sheet includes segmental arc (121), straightway (122) and changeover portion (123), the both ends of the segmental arc respectively with
The straightway integrally connected, the two sides of the straightway along connector length direction gradually to centerline dip and with institute
One end integrally connected of changeover portion, the other end of the changeover portion and the connecting tube integrally connected are stated, the connecting hole is located at
The segmental arc, the center of circle of the connecting hole are overlapped with the center of circle of the segmental arc, the side of the straightway and the transition
There is the first angle, first angle is obtuse angle between the side of section.
2. medical instrument connector according to claim 1, it is characterised in that: the two sides of the straightway are to center line
Inclined angle is 15-25 °.
3. medical instrument connector according to claim 1, it is characterised in that: the diameter of the connecting hole is 0.4-
0.6mm。
4. medical instrument connector according to claim 1, it is characterised in that: the connector is stainless steel adapting piece.
5. medical instrument connector according to claim 1, it is characterised in that: the length of the arc segment is 0.5-
0.6mm, the width of the arc segment are 0.8-1.2mm, and the length of the straightway is 0.8-1.2mm, the length of the changeover portion
Degree is 0.4-0.6mm, and the length of the connection sheet is 1.7-2.4mm, and the length of the connecting tube is 3.5-5.5mm, the company
The length of fitting is 5.2-7.9mm.
6. medical instrument connector according to claim 1, it is characterised in that: the section of the connecting tube is circle, institute
The internal diameter for stating connecting tube is 0.4-0.6mm.
7. medical instrument connector according to claim 1, it is characterised in that: the size of first angle is 110-
140°。
8. medical instrument connector according to claim 1, it is characterised in that: the arc radius of the segmental arc is 0.4-
0.6mm。
9. a kind of medical tissue folder with medical instrument connecting-piece structure described in any one of claims 1-8, feature exist
In: including connector (1), silk material (2), casing (3) and intermediate plate (4), one end of the connector is connect and another with the silk material
One end is connect with the intermediate plate by pin shaft, and described sleeve pipe is placed on the junction of connector and intermediate plate；
The intermediate plate has arc root (41) and a pair of adjutage (42) extended forward from arc root, and the adjutage is in
Arranged in a crossed manner, the end of the adjutage forms clamping jaw (43), has the second angle between the clamping jaw and the adjutage；
The arc root position of intermediate plate is protruded into from the front end of casing, the connection sheet of connector protruded into casing from the rear end of casing and with
The arc root of intermediate plate is connected by pin shaft, pushes and pulls connector by silk material and intermediate plate is driven to make intermediate plate in inside pipe casing back-and-forth motion
A pair of of clamping jaw open or closure.
10. medical tissue according to claim 9 folder, it is characterised in that: the size of second angle be 90 ° or
135°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288061.5A CN109998606A (en) | 2019-04-11 | 2019-04-11 | Medical instrument connector and with the connecting-piece structure medical tissue folder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288061.5A CN109998606A (en) | 2019-04-11 | 2019-04-11 | Medical instrument connector and with the connecting-piece structure medical tissue folder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109998606A true CN109998606A (en) | 2019-07-12 |
Family
ID=67171055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910288061.5A Pending CN109998606A (en) | 2019-04-11 | 2019-04-11 | Medical instrument connector and with the connecting-piece structure medical tissue folder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109998606A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766184A (en) * | 1994-11-02 | 1998-06-16 | Olympus Optical Co., Ltd. | Endoscopic treatment tool |
| JP2004121485A (en) * | 2002-10-01 | 2004-04-22 | Olympus Corp | Ligature apparatus of animate tissue |
| US20080140089A1 (en) * | 2004-12-24 | 2008-06-12 | Junichi Kogiso | Ligation Apparatus |
| CN202699217U (en) * | 2012-05-28 | 2013-01-30 | 杭州安杰思医学科技有限公司 | Hemostasis clamp capable of being repeatedly opened and closed and provided with pusher |
| CN202960641U (en) * | 2011-11-11 | 2013-06-05 | 朱俭 | Living tissue ligation device |
| CN103584898A (en) * | 2008-06-19 | 2014-02-19 | 波士顿科学塞默迪有限公司 | Hemostatic clipping devices |
| CN104902827A (en) * | 2013-05-07 | 2015-09-09 | 奥林巴斯株式会社 | Endoscopic treatment instrument |
| JP2016002392A (en) * | 2014-06-19 | 2016-01-12 | 日本ゼオン株式会社 | Treatment instrument for endoscope |
| CN107039870A (en) * | 2017-04-01 | 2017-08-11 | 深圳市沃尔核材股份有限公司 | A kind of production method of crimping armor clamp |
| CN108289687A (en) * | 2015-12-18 | 2018-07-17 | 株式会社钟化 | The manufacturing method of connector, clamp for medical use device and clamp for medical use device |
| CN109044474A (en) * | 2018-09-11 | 2018-12-21 | 南京微创医学科技股份有限公司 | A kind of alimentary canal tissue forceps |
| CN209916074U (en) * | 2019-04-11 | 2020-01-10 | 苏州聚生精密冲件有限公司 | Novel medical instrument connecting piece |
-
2019
- 2019-04-11 CN CN201910288061.5A patent/CN109998606A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766184A (en) * | 1994-11-02 | 1998-06-16 | Olympus Optical Co., Ltd. | Endoscopic treatment tool |
| JP2004121485A (en) * | 2002-10-01 | 2004-04-22 | Olympus Corp | Ligature apparatus of animate tissue |
| US20080140089A1 (en) * | 2004-12-24 | 2008-06-12 | Junichi Kogiso | Ligation Apparatus |
| CN103584898A (en) * | 2008-06-19 | 2014-02-19 | 波士顿科学塞默迪有限公司 | Hemostatic clipping devices |
| CN202960641U (en) * | 2011-11-11 | 2013-06-05 | 朱俭 | Living tissue ligation device |
| CN202699217U (en) * | 2012-05-28 | 2013-01-30 | 杭州安杰思医学科技有限公司 | Hemostasis clamp capable of being repeatedly opened and closed and provided with pusher |
| CN104902827A (en) * | 2013-05-07 | 2015-09-09 | 奥林巴斯株式会社 | Endoscopic treatment instrument |
| JP2016002392A (en) * | 2014-06-19 | 2016-01-12 | 日本ゼオン株式会社 | Treatment instrument for endoscope |
| CN108289687A (en) * | 2015-12-18 | 2018-07-17 | 株式会社钟化 | The manufacturing method of connector, clamp for medical use device and clamp for medical use device |
| CN107039870A (en) * | 2017-04-01 | 2017-08-11 | 深圳市沃尔核材股份有限公司 | A kind of production method of crimping armor clamp |
| CN109044474A (en) * | 2018-09-11 | 2018-12-21 | 南京微创医学科技股份有限公司 | A kind of alimentary canal tissue forceps |
| CN209916074U (en) * | 2019-04-11 | 2020-01-10 | 苏州聚生精密冲件有限公司 | Novel medical instrument connecting piece |
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| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Fan Inventor after: Yang Zhaolong Inventor before: Yang Zhaolong Inventor before: Wang Fan |
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| CB03 | Change of inventor or designer information | ||
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