CN116509522A - Disposable visual ovum device of getting - Google Patents
Disposable visual ovum device of getting Download PDFInfo
- Publication number
- CN116509522A CN116509522A CN202310240950.0A CN202310240950A CN116509522A CN 116509522 A CN116509522 A CN 116509522A CN 202310240950 A CN202310240950 A CN 202310240950A CN 116509522 A CN116509522 A CN 116509522A
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- China
- Prior art keywords
- visual
- suction
- puncture needle
- flushing
- handle
- Prior art date
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- Pending
Links
- 230000000007 visual effect Effects 0.000 title claims abstract description 53
- 210000004681 ovum Anatomy 0.000 title abstract description 11
- 102000002322 Egg Proteins Human genes 0.000 title abstract description 7
- 108010000912 Egg Proteins Proteins 0.000 title abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000006748 scratching Methods 0.000 claims abstract description 15
- 230000002393 scratching effect Effects 0.000 claims abstract description 13
- 238000011010 flushing procedure Methods 0.000 claims description 25
- 238000005286 illumination Methods 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000000844 anti-bacterial effect Effects 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 4
- 229920001661 Chitosan Polymers 0.000 claims description 3
- 206010011409 Cross infection Diseases 0.000 abstract description 3
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract description 3
- 230000003588 decontaminative effect Effects 0.000 abstract description 3
- 235000013601 eggs Nutrition 0.000 description 19
- 210000004027 cell Anatomy 0.000 description 6
- 230000003325 follicular Effects 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 210000001672 ovary Anatomy 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 210000001161 mammalian embryo Anatomy 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 206010067268 Post procedural infection Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000001733 follicular fluid Anatomy 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 210000001215 vagina Anatomy 0.000 description 2
- 206010058674 Pelvic Infection Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000009027 insemination Effects 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000754 myometrium Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- 238000005406 washing Methods 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
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/425—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation
- A61B17/435—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation for embryo or ova transplantation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pregnancy & Childbirth (AREA)
- Gynecology & Obstetrics (AREA)
- Transplantation (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to a disposable visual ovum fetching device, which comprises: a suction storage device, a scratching device and a display processing device; the invention has small volume, low operation difficulty, no need of decontamination, visual egg taking, direct vision operation, convenience, rapidness, more follicles, small wound, high operation safety coefficient and reduction of cross infection risk in operation.
Description
Technical Field
The invention relates to the field of egg taking devices, in particular to a disposable visual egg taking device.
Background
The assisted reproduction technology is a human assisted reproduction technology, in vitro insemination and embryo transplantation, namely, a test-tube infant is favored by a plurality of sterile patients by means of high-end technical guarantee and strict scientific procedures, wherein an egg taking operation is one of key steps of in vitro fertilization embryo transplantation, medical staff is required to safely take out the egg cells from ovaries through physical means and keep the activity of the egg cells so that the obtained egg cells can be successfully fertilized, and the current general method is to directly suck follicular fluid containing the egg cells under negative pressure of the ovaries by adopting an egg taking needle through vaginal puncture under the guidance of ultrasonic waves, and then send the follicular fluid to an embryo room for microscopic observation of whether the egg cells are obtained. Therefore, it is necessary to reduce the damage to vagina and ovary and the damage to adjacent intestinal tract or pelvic blood vessel when the ovum aspiration needle punctures during ovum aspiration, improve the puncture positioning precision, and reduce the pain of patients and the pelvic infection problem in operation.
Disclosure of Invention
The invention aims to provide a disposable visual ovum taking device technology, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a disposable visual egg retrieval device comprising: a suction storage device, a scratching device and a display processing device; the attraction storage device includes: the device comprises a puncture head protective sleeve, a visual puncture needle, a protective sleeve control handle, a flushing pipe, a control valve, an attracting key, an operating handle, a data connecting wire, a conveying pipe, a sealing plug, a storage pipe, a flushing device, an attracting pipe and an attracting device; the visual puncture needle comprises: an illumination light source, an attraction instrument channel tube, a flushing port and a pinhole camera; the scratching device comprises: scratching wire, working sleeve, fixed handle, limit spring, operating ring and rotating ring; the display processing device includes: an image control board, a display screen and a main housing; the utility model provides a puncture head protective sheath is installed in visual pjncture needle tip, visual pjncture needle is connected with the protective sheath control handle, the protective sheath control handle is connected with operating handle, visual pjncture needle passes through the flushing pipe and is connected with washing unit, operating handle is connected with the control valve, the suction button is installed on operating handle, the suction button passes through the data connecting wire and is connected with display processing device, visual pjncture needle passes the sealing plug through the conveyer pipe and is connected with the storage tube, the storage tube passes the sealing plug through the suction tube and is connected with suction device, illumination source, suction apparatus passageway pipe, flushing port and pinhole camera are installed in visual pjncture needle, illumination source and pinhole camera pass through the data connecting wire and are connected with display processing device, scratch silk and work sleeve are connected, work sleeve is connected with fixed handle, fixed handle is connected with spacing spring, spacing spring is connected with the operation ring, the operation ring is connected with the swivel ring, image control panel and display screen are installed on the main casing.
Wherein, the visual puncture needle is coated with a hydrophilic antibacterial coating, the length of the visual puncture needle is 30-40cm, and the thickness is 1.30-1.40mm.
Wherein the hydrophilic antibacterial coating is chitosan.
Wherein, the puncture head protective sleeve is made of thermoplastic polyurethane elastomer.
Wherein, the illumination light source adopts short wave blue light.
Wherein the scratching wire is umbrella-shaped.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has small volume, low operation difficulty, no need of decontamination, visual egg taking, convenient and quick operation under direct vision, more obtained follicles, small wound, high operation safety coefficient and reduced cross infection risk in operation;
2. the invention displays images in real time in the operation process, can record video in the whole process, photograph at any time, freeze images to observe abnormal problems, can save and copy video files, can perform some conventional gynecological examinations in the operation at the same time, and brings better help for postoperative recovery;
3. according to the invention, the hydrophilic antibacterial coating is used, so that the friction coefficient of the visual puncture needle is reduced, the potential wound of the puncture operation is reduced, and the postoperative infection caused by bacteria carried by a patient is reduced.
4. The invention improves the success rate of egg taking and the number of eggs taking by using scratching wires.
5. According to the invention, the image illumination is carried out by adopting the short-wave blue light, so that the damage to the egg cells is reduced, the size of the follicle is easier to observe, the development and maturation condition is judged, and the egg taking quality is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a drawing of an attractive storage device according to the present invention;
FIG. 3 is a drawing of a scratching device according to the present invention;
FIG. 4 is a diagram of a display processing apparatus according to the present invention;
FIG. 5 is a view of a visual puncture needle according to the present invention;
in fig. 1-5: 1-suction storage device, 101-puncture head protective sleeve, 102-visual puncture needle, 103-protective sleeve control handle, 104-flushing tube, 105-control valve, 106-suction key, 107-operation handle, 108-data connection line, 109-conveying tube, 1010-sealing plug, 1011-storage tube, 1012-flushing device, 1013-suction tube, 1014-suction device, 1021-illumination light source, 1022-suction instrument channel tube, 1023-flushing port, 1024-pinhole camera, 2-scratching device, 201-scratching wire, 202-working sleeve, 203-fixed handle, 204-limit spring, 205-operation ring, 206-rotating ring, 3-display processing device, 301-image control panel, 302-display screen, 303-main housing.
Description of the embodiments
So that the manner in which the features and objects of the present invention can be understood in more detail, a more particular description of the invention, briefly summarized above, may be had by reference to the appended drawings, which are not necessarily limited to the embodiments described.
Referring to fig. 1-5, a disposable visual egg retrieval device comprising: a suction storage device 1, a scratching device 2 and a display processing device 3; the attraction storage device 1 includes: the puncture head protective sheath 101, the visual puncture needle 102, the protective sheath control handle 103, the flushing pipe 104, the control valve 105, the suction key 106, the operation handle, the data connection line 108, the delivery pipe 109, the sealing plug 1010, the storage pipe 1011, the flushing device 1012, the suction pipe 1013, and the suction device 1014; the visual puncture needle 102 includes: an illumination source 1021, suction instrument channel tube 1022, irrigation port 1023, pinhole camera 1024; the scratching device 2 comprises: a scraping wire 201, a working sleeve 202, a fixed handle 203, a limiting spring 204, an operation ring 205 and a rotating ring 206; the display processing device 3 includes: an image control board 301, a display screen 302, a main housing 303; the puncture head protecting sleeve 101 is arranged at the end part of the visual puncture needle 102, the visual puncture needle 102 is connected with the protecting sleeve control handle 103, the protecting sleeve control handle 103 is connected with the operating handle, the visual puncture needle 102 is connected with the flushing device 1012 through the flushing pipe 104, the operating handle is connected with the control valve 105, the suction button 106 is arranged on the operating handle, the suction button 106 is connected with the display processing device 3 through the data connecting wire 108, the visual puncture needle 102 passes through the sealing plug 1010 through the conveying pipe 109 and is connected with the storage pipe 1011, the storage pipe 1011 passes through the sealing plug 1010 through the suction pipe 1013 and is connected with the suction device 1014, the illumination light source 1021, the suction instrument channel pipe 1022, the flushing port 1023 and the pinhole camera 1024 are arranged in the visual puncture needle 102, the illumination light source 1021 is connected with the pinhole camera 1024 through the data connecting wire 108 and the display processing device 3, the scraping wire 201 is connected with the working sleeve 202, the working sleeve 202 is connected with the fixed handle 203, the fixed handle 203 is connected with the limiting spring 204, the limiting spring 204 is connected with the operating ring 205, the operating ring 205 is connected with the rotating ring 206 and the display screen 303 is arranged on the main control panel 301.
Wherein, the visual puncture needle 102 is coated with a hydrophilic antibacterial coating, the length of the visual puncture needle 102 is 30-40cm, and the thickness is 1.30-1.40mm.
Wherein the hydrophilic antibacterial coating is chitosan.
Wherein the puncture head protecting jacket 101 is made of thermoplastic polyurethane elastomer.
Wherein, the illumination source 1021 uses short-wave blue light.
Wherein the scraping wire 201 is umbrella-shaped.
Wherein, the display processing device is from Jiangsu Ji Yuan medical science and technology Co., ltd, name: a medical endoscope image processor; model specification: JY-MIP-1000.
An operator holds a handle to enable a puncture head protecting sleeve 101 and a miniature multi-cavity integrated visual puncture needle 102 made of thermoplastic polyurethane elastomer to slowly enter a vagina of a patient to reach a post-vaginal fornix through real-time image operation of an observation display screen 302, the surfaces of the puncture head protecting sleeve 101 and the visual puncture needle 102 are coated with a layer of nano-level hydrophilic antibacterial coating to ensure the safety and smoothness of entering a natural cavity of a human body, when the operation is performed, the operations such as photographing, video recording, brightness adjustment, white balance, image freezing and the like can be performed through an image control board 301, when the operation reaches the post-vaginal fornix, namely a puncture starting position, the needle head of the visual puncture needle 102 is pushed out of the puncture head protecting sleeve 101 through a protecting sleeve control handle 103 to perform human tissue puncture, and simultaneously the real-time image of the observation display screen 302 avoids internal organs such as a myometrium, a bladder, a blood vessel and an intestinal canal to enter an ovary, the disposable follicular scraping device 2 with the head end consisting of stainless steel wires and presenting umbrella is passed through the opened control valve 105 to reach the ovary position through the suction instrument channel 1022 of the visual puncture needle 102, in order to ensure that the disposable follicular scraping device 2 is smoothly required to be in a closed state through the suction instrument channel 1022 of the visual puncture needle 102, the scraping wire 201 is opened by pulling the operation ring 205 backwards to perform follicular scraping separation operation, the disposable follicular scraping device 2 in the closed state is in an extremely fine cylindrical shape to ensure that the disposable follicular scraping device 2 can smoothly pass through the suction instrument channel 1022 of the visual puncture needle 102 and then be opened to be in an operating state, the operation ring 205 is pushed forwards to retract the scraping wire 201 to be in the closed state to withdraw from the suction instrument channel 1022 and close the control valve 105 to perform follicular flushing operation, flushing fluid flows out from a flushing port 1023 through a flushing pipe 104 through a flushing device 1012 to flush follicles, a suction button 106 on an operating handle controls a suction device 1014 to suck the ova through a suction pipe 1013 after flushing is finished, the suction size can be controlled through the suction button 106, the ova flows into a storage pipe 1011 through a suction instrument channel pipe 1022 and a conveying pipe 109, hydrophilic antibacterial coating treatment is carried out on the inner wall of the pipeline, the adsorption force and liquid residues on the inner wall of the pipeline are reduced, the surface of the coating has antibacterial property, and the ova can be ensured to safely and nondestructively reach the storage pipe 1011.
The invention has small volume, low operation difficulty, no need of decontamination, visual egg taking, convenient and quick operation under direct vision, more obtained follicles, small wound, high operation safety coefficient and reduced cross infection risk in operation; the operation process displays images in real time, can record video in the whole process, take pictures at any time, freeze images to observe abnormal problems, can save and copy video files, can perform some conventional gynecological examinations in operation at the same time, and brings better help for postoperative recovery; by using the hydrophilic antibacterial coating, the friction coefficient of the visual puncture needle 102 is reduced, the potential wound of the puncture surgery is reduced, and the postoperative infection caused by bacteria carried by a patient is reduced; by using the scratching wire 201, the egg taking success rate and the egg taking quantity are improved; through adopting the short wave blue light to carry out image illumination, reduce the injury to the ovum cell, the size of the follicle of observation simultaneously more easily judges the condition of maturing, improves the ovum quality of getting.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A disposable visual egg taking device, comprising: a suction storage device (1), a scratching device (2) and a display processing device (3); the attraction storage device (1) comprises: the puncture head comprises a puncture head protective sleeve (101), a visual puncture needle (102), a protective sleeve control handle (103), a flushing pipe (104), a control valve (105), a suction key (106), an operation handle (107), a data connecting wire (108), a conveying pipe (109), a sealing plug (1010), a storage pipe (1011), a flushing device (1012), a suction pipe (1013) and a suction device (1014); the visual puncture needle (102) comprises: an illumination light source (1021), an aspiration instrument channel tube (1022), a flushing port (1023), and a pinhole camera (1024); the scratching device (2) comprises: a scraping wire (201), a working sleeve (202), a fixed handle (203), a limit spring (204), an operation ring (205) and a rotary ring (206); the display processing device (3) comprises: an image control panel (301), a display screen (302), and a main housing (303); the puncture head protection sleeve (101) is arranged at the end part of the visual puncture needle (102), the visual puncture needle (102) is connected with the protection sleeve control handle (103), the protection sleeve control handle (103) is connected with the operation handle (107), the visual puncture needle (102) is connected with the flushing device (1012) through the flushing tube (104), the operation handle (107) is connected with the control valve (105), the suction button (106) is arranged on the operation handle (107), the suction button (106) is connected with the display processing device (3) through the data connection wire (108), the visual puncture needle (102) is connected with the storage tube (1011) through the sealing plug (1010) through the conveying tube (109), the storage tube (1011) is connected with the suction device (1014) through the sealing plug (1010) through the suction tube (1013), the illumination light source (1021), the suction device channel tube (1022), the flushing port (1023) and the pinhole camera (1024) are arranged in the visual puncture needle (102), the illumination light source (1024) is connected with the display processing device (202) through the data connection wire (108) and the working sleeve (203) through the data connection wire (203), the fixed handle (203) is connected with the limiting spring (204), the limiting spring (204) is connected with the operation ring (205), the operation ring (205) is connected with the rotating ring (206), and the image control board (301) and the display screen (302) are installed on the main shell (303).
2. A disposable visual egg taking device as defined in claim 1 wherein: the visual puncture needle (102) is coated with a hydrophilic antibacterial coating, the length of the visual puncture needle (102) is 30-40cm, and the thickness of the visual puncture needle is 1.30-1.40mm.
3. A disposable visual egg taking device as defined in claim 2 wherein: the hydrophilic antibacterial coating is chitosan.
4. A disposable visual egg taking device as defined in claim 1 wherein: the puncture head protective sleeve (101) is made of thermoplastic polyurethane elastomer.
5. A disposable visual egg taking device as defined in claim 1 wherein: the illumination light source (1021) adopts short-wave blue light.
6. A disposable visual egg taking device as defined in claim 1 wherein: the scratching wire (201) is umbrella-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310240950.0A CN116509522A (en) | 2023-03-14 | 2023-03-14 | Disposable visual ovum device of getting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310240950.0A CN116509522A (en) | 2023-03-14 | 2023-03-14 | Disposable visual ovum device of getting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116509522A true CN116509522A (en) | 2023-08-01 |
Family
ID=87407145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310240950.0A Pending CN116509522A (en) | 2023-03-14 | 2023-03-14 | Disposable visual ovum device of getting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116509522A (en) |
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| CN112674853A (en) * | 2020-12-30 | 2021-04-20 | 江苏省人民医院（南京医科大学第一附属医院） | Novel ovum needle of getting with curettage ware is scratched to follicle |
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| CN215078905U (en) * | 2021-01-12 | 2021-12-10 | 郑州大学第一附属医院 | Visual uterine cavity sample taking-out device |
| CN215384456U (en) * | 2021-01-13 | 2022-01-04 | 河南印何阗生物科技有限公司 | Visual follicle puncture needle |
| CN114246658A (en) * | 2021-10-27 | 2022-03-29 | 太平洋康泰科学仪器（济南）有限公司 | Visual double-cavity ovum taking system |
| CN216135846U (en) * | 2021-08-17 | 2022-03-29 | 上海长征医院 | Portable ear-nose-throat endoscope with suction system |
-
2023
- 2023-03-14 CN CN202310240950.0A patent/CN116509522A/en active Pending
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| US4731052A (en) * | 1987-01-14 | 1988-03-15 | Seitz Jr H Michael | Method for removing tissue and living organisms |
| US4824434A (en) * | 1987-01-14 | 1989-04-25 | Seitz Jr H Michael | Apparatus used in a method for removing tissue and living organisms from human body cavities |
| CN201551714U (en) * | 2009-11-17 | 2010-08-18 | 中国人民解放军第二军医大学 | Surgical dual-cavity tube integrating washing with negative-pressure suction regulation |
| CN104689394A (en) * | 2015-03-17 | 2015-06-10 | 陈红 | Novel protection internal fistula needle |
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| CN215078905U (en) * | 2021-01-12 | 2021-12-10 | 郑州大学第一附属医院 | Visual uterine cavity sample taking-out device |
| CN215384456U (en) * | 2021-01-13 | 2022-01-04 | 河南印何阗生物科技有限公司 | Visual follicle puncture needle |
| CN216135846U (en) * | 2021-08-17 | 2022-03-29 | 上海长征医院 | Portable ear-nose-throat endoscope with suction system |
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