CN112168128A - Vaginal dilator assisting in collecting posterior fornix secretion - Google Patents
Vaginal dilator assisting in collecting posterior fornix secretion Download PDFInfo
- Publication number
- CN112168128A CN112168128A CN202011195552.4A CN202011195552A CN112168128A CN 112168128 A CN112168128 A CN 112168128A CN 202011195552 A CN202011195552 A CN 202011195552A CN 112168128 A CN112168128 A CN 112168128A
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- hole
- ring
- secretion
- inner tube
- vaginal dilator
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- 230000028327 secretion Effects 0.000 title claims abstract description 38
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 210000002808 connective tissue Anatomy 0.000 claims abstract description 9
- 230000008602 contraction Effects 0.000 claims description 9
- 101100117380 Drosophila melanogaster dome gene Proteins 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 210000001215 vagina Anatomy 0.000 abstract description 9
- 238000005070 sampling Methods 0.000 abstract description 8
- 244000005700 microbiome Species 0.000 abstract description 6
- 210000003905 vulva Anatomy 0.000 abstract description 6
- 210000004379 membrane Anatomy 0.000 description 13
- 229920000742 Cotton Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 208000007313 Reproductive Tract Infections Diseases 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000005002 female reproductive tract Anatomy 0.000 description 2
- 208000030507 AIDS Diseases 0.000 description 1
- 208000004998 Abdominal Pain Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000222120 Candida <Saccharomycetales> Species 0.000 description 1
- 206010008342 Cervix carcinoma Diseases 0.000 description 1
- 241000606161 Chlamydia Species 0.000 description 1
- 206010062343 Congenital infection Diseases 0.000 description 1
- 206010055690 Foetal death Diseases 0.000 description 1
- 206010018612 Gonorrhoea Diseases 0.000 description 1
- 241000204031 Mycoplasma Species 0.000 description 1
- 206010061308 Neonatal infection Diseases 0.000 description 1
- 241000606860 Pasteurella Species 0.000 description 1
- 208000029082 Pelvic Inflammatory Disease Diseases 0.000 description 1
- 208000005107 Premature Birth Diseases 0.000 description 1
- 206010036590 Premature baby Diseases 0.000 description 1
- 241000224526 Trichomonas Species 0.000 description 1
- 208000006105 Uterine Cervical Neoplasms Diseases 0.000 description 1
- 208000006374 Uterine Cervicitis Diseases 0.000 description 1
- 206010046914 Vaginal infection Diseases 0.000 description 1
- 201000008100 Vaginitis Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010881 cervical cancer Diseases 0.000 description 1
- 206010008323 cervicitis Diseases 0.000 description 1
- 208000031513 cyst Diseases 0.000 description 1
- 210000003717 douglas' pouch Anatomy 0.000 description 1
- 201000003511 ectopic pregnancy Diseases 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 208000001786 gonorrhea Diseases 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000000509 infertility Diseases 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 231100000535 infertility Toxicity 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/32—Devices for opening or enlarging the visual field, e.g. of a tube of the body
-
- 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
- A61B10/0045—Devices for taking samples of body liquids
-
- 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
- A61B10/0045—Devices for taking samples of body liquids
- A61B2010/0074—Vaginal or cervical secretions
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Hematology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a vaginal dilator for assisting collection of posterior fornix secretion, which comprises a hole-shaped ring, an inner tube and an outer membrane; a pull ring is arranged on the ring with the hole; the pipe body of the inner pipe passes through the hole-equipped ring to be matched with the hole-equipped ring in a sliding way, and the bottom end of the inner pipe is connected with a hole buckle; the adventitia cover is located the inner tube outer wall, and the adventitia top can be dismantled with utensil ring and be connected, and the bottom can be dismantled with the hole knot and be connected. The structure of the invention is convenient for the operation of collecting the rear fornix secretion sample, has simple structure and simple and convenient operation, can automatically complete the sampling operation of the rear fornix secretion without any professional knowledge of the examinee, can avoid the pollution of the vagina inner wall secretion and the vulva microorganism, and has higher practical popularization and application significance.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a vaginal dilator for assisting collection of posterior fornix secretion.
Background
Genital tract infection is a common disease and frequently encountered disease of women, is a general name of a large class of diseases causing female genital tract infection by invasion of pathogens such as various bacteria, viruses, candida, trichomonas, chlamydia, mycoplasma and the like, generally comprises various vaginitis, gonorrhea, cervicitis, pasteurella cysts, pelvic inflammation and the like, and has the characteristics of high morbidity, high recurrence rate and wide epidemic range. Infection is the source of many diseases, if genital tract infection can not be diagnosed and treated correctly in time, the risk of AIDS and cervical cancer is increased, and complications such as infertility, ectopic pregnancy, abortion, dead fetus, dead birth, premature birth, congenital infection, neonatal infection, chronic abdominal pain and the like are caused, which affects the health of two generations of people. The treatment of female genital tract infections is premised on accurate diagnosis, while accurate etiological diagnosis is premised on sample accuracy. Currently, the method for collecting a sample of the cul-de-sac secretions is as follows:
the first method comprises the following steps: a disposable sterile cotton swab is directly inserted into the rear dome to adhere the secretion, and then the cotton swab is placed into a test tube to be tested. In the sampling mode, the collected sample is easily polluted by the secretion of the inner wall of the vagina and the microorganisms of the vulva in the process of inserting and taking out the cotton swab, so that the detection accuracy is influenced.
The second method comprises the following steps: after the vagina is opened by a nurse or a clinician using the vaginal dilator, the secretion is collected by inserting a disposable sterile cotton swab into the posterior fornix, and the secretion swab is taken out after the collection is finished. The use of the vaginal dilator can avoid the contamination of the cotton swab by the secretion of the vaginal inner wall and the vulva microorganism in the sampling process, and ensure the accuracy of the sample. However, the private parts of the examinees are completely exposed to the clinicians or nurses during the sampling process, and the privacy is difficult to be guaranteed, so that psychological stress is easily generated. Meanwhile, the operation of the clinically used vaginal dilator is complicated, and the collection of the posterior fornix secretion can be completed only by the assistance of other people, so that the self-sampling operation is limited.
Therefore, in order to collect a specimen that truly represents the micro-ecology of the posterior fornix, a collector which can avoid the contamination of the secretion of the inner wall of the vagina and the micro-organism of the vulva and can complete the sampling operation by itself is a problem to be solved by the technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a vaginal dilator for assisting collection of the posterior fornix secretion, which improves the collection quality of the sample of the posterior fornix secretion, reduces the deviation of subsequent detection and evaluation, enables an examinee to operate by himself without assistance of others, and provides a vaginal dilator which can avoid contamination of the vaginal inner wall secretion and vulva microorganisms and can complete collection operation of the posterior fornix secretion by himself.
In order to achieve the purpose, the invention adopts the following technical scheme:
a posterior dome secretion collecting vaginal dilator, comprising: an apertured ring, an inner tube and an outer membrane;
a pull ring is arranged on the ring with the hole;
the pipe body of the inner pipe penetrates through the hole-equipped ring to be matched with the hole-equipped ring in a sliding manner, and the bottom end of the inner pipe is connected with a hole buckle;
the adventitia cover is located the inner tube outer wall, the adventitia top with utensil ring detachable connects, the bottom with the hole is detained and is connected.
Preferably, a hole pressing cap is arranged at the top end of the inner tube, and a hole of the hole pressing cap corresponds to the tube opening of the inner tube.
Preferably, elastic contraction rings are arranged at both ends of the outer membrane.
Furthermore, a clamping ring is fixed at the bottom end of the hole ring, a clamping groove is formed in the clamping ring, and the clamping groove is matched with the elastic contraction ring.
Furthermore, the outer wall of the hole buckle is provided with a limiting groove, and the limiting groove is matched with the elastic contraction ring.
Preferably, the inner wall of the hole buckle is provided with an internal thread, the bottom end of the inner pipe is provided with an external thread matched with the internal thread, and the bottom end of the inner pipe is connected with the hole buckle in a thread matching manner.
Preferably, the outer film is made of flexible natural rubber or polyurethane.
Preferably, a first limiting protrusion and a second limiting protrusion are arranged on the outer wall of the inner tube, and the tube body part of the inner tube, which is positioned between the first limiting protrusion and the second limiting protrusion, slides in the hole-shaped ring.
According to the technical scheme, compared with the prior art, the invention discloses and provides the vaginal dilator for assisting collection of the posterior fornix secretion, and the vaginal dilator has the following beneficial effects:
the structure of the invention is convenient for the operation of collecting the rear fornix secretion sample, has simple structure and simple and convenient operation, can automatically complete the sampling operation of the rear fornix secretion without any professional knowledge of the examinee, can avoid the pollution of the vagina inner wall secretion and the vulva microorganism, and has higher practical popularization and application significance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a drawing showing a disassembled structure of a vaginal dilator for assisting collection of posterior fornix secretion provided by the present invention;
FIG. 2 is a schematic diagram of the overall structure of a vaginal dilator for assisting collection of posterior fornix secretion before use according to the present invention;
FIG. 3 is a schematic view of the overall structure of a vaginal dilator for assisting in collecting posterior fornix secretion in use according to the present invention;
fig. 4 is a schematic diagram of the overall structure and the size of the vaginal dilator for assisting in collecting the posterior fornix secretion in the specific application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, an assisted posterior fornix secretion harvesting vaginal dilator comprises: a perforated ring 1, an inner tube 2 and an outer membrane 3;
the ring with holes 1 is provided with a pull ring 11;
the pipe body of the inner pipe 2 penetrates through the hole-equipped ring 1 to be matched with the hole-equipped ring 1 in a sliding way, and the bottom end of the inner pipe is connected with a hole buckle 4;
the outer wall of the inner pipe 2 is sleeved with the outer membrane 3, the top end of the outer membrane 3 is detachably connected with the hole ring 1, and the bottom end of the outer membrane is connected with the hole buckle 4.
The principle of the technical scheme is as follows: when the disposable aseptic cotton swab is used, the pull ring 11 is pulled to press the top end of the inner tube 2, so that the inner tube 2 extends along the hole of the hole-shaped ring 1, the outer membrane 3 is stretched along with the extension of the inner tube 2 under the stretching action of the inner tube 2 and the fixing action of the hole-shaped ring 1 and the hole buckle 4, so that the outer membrane 3 is ensured to be coated on the outer wall of the inner tube 2, namely the outer membrane 3 and the inner tube 2 extend forwards into a vagina together, and the disposable aseptic cotton swab extends into a rear fornix part through hole positions of the hole-shaped ring 1, the inner tube 2 and the hole buckle 4 to; and after the sample is collected, taking out the cotton swab along the original path, and then taking out the vaginal dilator.
In some modified technical schemes, inner tube 2 top is provided with utensil hole press cap 5, and the hole site of utensil hole press cap 5 corresponds with the mouth of pipe of inner tube 2, and utensil hole press cap 5 can reduce the hand atress when pressing inner tube 2, promotes the comfort level of using.
In some modified technical scheme, adventitia 3 both ends all set up elastic contraction ring 31, utensil ring 1 bottom mounting has snap ring 6, the last draw-in groove 61 that has of snap ring 6, draw-in groove 61 matches with elastic contraction ring 31, 4 outer walls are detained in the hole and are provided with spacing groove 41, spacing groove 41 matches with elastic contraction ring 31, the both ends of adventitia 3 adopt elastic contraction ring 31 to be connected with snap ring 6 and spacing groove 41, not only be convenient for assemble and dismantle, still prevented shedding of adventitia 3.
In some improved technical solutions, the inner wall of the hole buckle 4 is provided with an internal thread 42, the bottom end of the inner tube 2 is provided with an external thread 23 matched with the internal thread 42, and the bottom end of the inner tube 2 is connected with the hole buckle 4 in a thread matching manner.
In some improved technical schemes, the outer membrane 3 is made of flexible natural rubber or polyurethane, so that when the device enters the vagina for sampling, the friction force between the device and the vagina is reduced, and meanwhile, the flexibility of the device is improved, and the vagina is prevented from being damaged.
In some improved technical schemes, a first limiting bulge 21 and a second limiting bulge 22 are arranged on the outer wall of the inner tube 2, the tube body part of the inner tube 2, which is positioned between the first limiting bulge 21 and the second limiting bulge 22, slides in the hole-provided ring 1, and the first limiting bulge 21 prevents the outer film 3 from falling off when the inner tube 2 moves down too long in use; the two limiting protrusions 22 prevent the inner tube 2 from being excessively contracted to extrude the inner membrane 3, and the use of the inner membrane 3 is influenced.
As shown in fig. 4, the vaginal dilator of the present invention is used for assisting the collection of the posterior fornix secretion, and the specifically set size technical parameters are as follows: the width of the pull ring 11 is 79.08mm, the length of the inner tube 2 is 66.6mm, the length of the outer membrane 3 is 54.56mm, and the external diameter is 21.03 mm.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A vaginal dilator to assist in posterior dome secretion collection comprising: an apertured ring, an inner tube and an outer membrane;
a pull ring is arranged on the ring with the hole;
the pipe body of the inner pipe penetrates through the hole-equipped ring to be matched with the hole-equipped ring in a sliding manner, and the bottom end of the inner pipe is connected with a hole buckle;
the adventitia cover is located the inner tube outer wall, the adventitia top with utensil ring detachable connection, the bottom with the connection can be dismantled to the eye.
2. The vaginal dilator for assisting in collecting posterior fornix secretion as claimed in claim 1, wherein a hole pressing cap is arranged at the top end of the inner tube, and the hole of the hole pressing cap corresponds to the tube opening of the inner tube.
3. The vaginal dilator for assisting posterior dome secretion collection according to claim 1, wherein both ends of the outer membrane are provided with elastic contraction rings.
4. The vaginal dilator for assisting in collecting posterior fornix secretion according to claim 3, wherein a snap ring is fixed at the bottom end of the ring with the hole, and a clamping groove is formed in the snap ring and matched with the elastic contraction ring.
5. The vaginal dilator for assisting in collecting posterior fornix secretion according to claim 4, wherein a limiting groove is formed on the outer wall of the hole buckle, and the limiting groove is matched with the elastic shrinkage ring.
6. The vaginal dilator for assisting collection of posterior fornix secretion according to claim 1, wherein the inner wall of the hole buckle is provided with an internal thread, the bottom end of the inner tube is provided with an external thread matched with the internal thread, and the bottom end of the inner tube is connected with the hole buckle in a thread matching manner.
7. A retro-domed secretion collection vaginal dilator as claimed in any one of claims 1 to 5 wherein the outer membrane is of flexible natural rubber or polyurethane.
8. The vaginal dilator for assisting in collecting posterior fornix secretion according to claim 1, wherein a first limiting bulge and a second limiting bulge are arranged on the outer wall of the inner tube, and the tube body part of the inner tube between the first limiting bulge and the second limiting bulge slides in the hole ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195552.4A CN112168128A (en) | 2020-10-30 | 2020-10-30 | Vaginal dilator assisting in collecting posterior fornix secretion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195552.4A CN112168128A (en) | 2020-10-30 | 2020-10-30 | Vaginal dilator assisting in collecting posterior fornix secretion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112168128A true CN112168128A (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011195552.4A Pending CN112168128A (en) | 2020-10-30 | 2020-10-30 | Vaginal dilator assisting in collecting posterior fornix secretion |
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| Country | Link |
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| CN (1) | CN112168128A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403937A (en) * | 2022-03-31 | 2022-04-29 | 杭州谷禾信息技术有限公司 | Anti-pollution urine microecological specimen collection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1394925A (en) * | 1972-06-09 | 1975-05-21 | Cabral V R | Sampling of human secretions |
| CN201147297Y (en) * | 2008-01-29 | 2008-11-12 | 孙英信 | Dual-purpose endoscope for rectum and vagina with illumination |
| CN103405251A (en) * | 2013-08-16 | 2013-11-27 | 凌安东 | Full-vagina sleeve cylindrical expansion and pneumoperitoneum integrated device |
| CN204909380U (en) * | 2015-09-08 | 2015-12-30 | 四川医达科技有限公司 | Intelligence electron vaginal dilator |
| CN206007277U (en) * | 2016-04-25 | 2017-03-15 | 天益健康科学研究院（镇江）有限公司 | Push type vaginal fluid is from pen of sampling |
| CN109091171A (en) * | 2018-09-12 | 2018-12-28 | 深圳市瀚德标检生物工程有限公司 | Sealed vaginal fluid acquires pretreatment unit |
| CN209661604U (en) * | 2019-02-21 | 2019-11-22 | 青岛大学附属医院 | Auxiliary tool is used in lateral incision suture |
| CN210019433U (en) * | 2019-03-26 | 2020-02-07 | 江南大学 | Microecological sample collector for vagina |
| CN111134732A (en) * | 2020-01-15 | 2020-05-12 | 高婷婷 | Cervical mucus swab |
| CN111655161A (en) * | 2017-11-28 | 2020-09-11 | V-维尔-阿普-制药有限公司 | Self-sampling universal kit, method and use |
| CN213721889U (en) * | 2020-10-30 | 2021-07-20 | 佛山市朗芯生物科技有限公司 | Vaginal dilator assisting in collecting posterior fornix secretion |
-
2020
- 2020-10-30 CN CN202011195552.4A patent/CN112168128A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1394925A (en) * | 1972-06-09 | 1975-05-21 | Cabral V R | Sampling of human secretions |
| CN201147297Y (en) * | 2008-01-29 | 2008-11-12 | 孙英信 | Dual-purpose endoscope for rectum and vagina with illumination |
| CN103405251A (en) * | 2013-08-16 | 2013-11-27 | 凌安东 | Full-vagina sleeve cylindrical expansion and pneumoperitoneum integrated device |
| CN204909380U (en) * | 2015-09-08 | 2015-12-30 | 四川医达科技有限公司 | Intelligence electron vaginal dilator |
| CN206007277U (en) * | 2016-04-25 | 2017-03-15 | 天益健康科学研究院（镇江）有限公司 | Push type vaginal fluid is from pen of sampling |
| CN111655161A (en) * | 2017-11-28 | 2020-09-11 | V-维尔-阿普-制药有限公司 | Self-sampling universal kit, method and use |
| CN109091171A (en) * | 2018-09-12 | 2018-12-28 | 深圳市瀚德标检生物工程有限公司 | Sealed vaginal fluid acquires pretreatment unit |
| CN209661604U (en) * | 2019-02-21 | 2019-11-22 | 青岛大学附属医院 | Auxiliary tool is used in lateral incision suture |
| CN210019433U (en) * | 2019-03-26 | 2020-02-07 | 江南大学 | Microecological sample collector for vagina |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403937A (en) * | 2022-03-31 | 2022-04-29 | 杭州谷禾信息技术有限公司 | Anti-pollution urine microecological specimen collection device |
| CN114403937B (en) * | 2022-03-31 | 2022-07-08 | 杭州谷禾信息技术有限公司 | Anti-pollution urine microecological specimen collection device |
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