CN113499030A - Vaginal dilator - Google Patents
Vaginal dilator Download PDFInfo
- Publication number
- CN113499030A CN113499030A CN202110936413.0A CN202110936413A CN113499030A CN 113499030 A CN113499030 A CN 113499030A CN 202110936413 A CN202110936413 A CN 202110936413A CN 113499030 A CN113499030 A CN 113499030A
- Authority
- CN
- China
- Prior art keywords
- sheath tube
- inner sheath
- outer sheath
- vaginal dilator
- vagina
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 210000001215 vagina Anatomy 0.000 claims abstract description 26
- 239000012528 membrane Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 230000010339 dilation Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000008961 swelling Effects 0.000 abstract description 3
- 206010000060 Abdominal distension Diseases 0.000 abstract description 2
- 210000003679 cervix uteri Anatomy 0.000 description 5
- 210000004291 uterus Anatomy 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010046788 Uterine haemorrhage Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
-
- 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
- A61B1/00112—Connection or coupling means
- A61B1/00119—Tubes or pipes in or with an endoscope
-
- 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
- A61B1/00147—Holding or positioning arrangements
- A61B1/00154—Holding or positioning arrangements using guiding arrangements for insertion
-
- 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
- A61B1/303—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 for the vagina, i.e. vaginoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Gynecology & Obstetrics (AREA)
- Reproductive Health (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Surgical Instruments (AREA)
- Endoscopes (AREA)
Abstract
The invention provides a vaginal dilator, which comprises: the outer sheath tube is used for being inserted into the vagina; the inner sheath tube is sleeved in the outer sheath tube in a sliding manner, sliding sealing is carried out between the inner sheath tube and the outer sheath tube, and the inner sheath tube is suitable for sliding sealing with the hysteroscope; the far end of the inner sheath tube is connected with an expansion part, the expansion part has a retraction state of being accommodated in the outer sheath tube and an expansion state of being extended out of the outer sheath tube, and the expansion part is suitable for expanding and supporting the vagina. After the outer sheath tube of the invention is stretched into the vagina, the inner sheath tube is pushed forwards, the expansion part gradually stretches out of the outer sheath tube and expands outwards along the radial direction of the inner sheath tube, and the vagina expands along the expansion part in the radial direction; the outer sheath tube is in close contact with the vagina, the outer sheath tube and the vagina have a sliding sealing effect, and the uterine distention liquid cannot overflow from the outer wall of the outer sheath tube; the sliding seal is carried out between the inner sheath tube and the outer sheath tube and between the inner sheath tube and the hysteroscope, and the uterine swelling liquid can not overflow from the space between the inner sheath tube and the outer sheath tube and the space between the inner sheath tube and the hysteroscope.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a vaginal dilator.
Background
Currently, a vaginal dilator comprises an upper tongue part and a lower tongue part which can be oppositely opened and closed, and the vagina is dilated through the opening of the upper tongue part and the lower tongue part.
In the uterus expanding state, the hysteroscope enters the uterine cavity for examination or treatment after passing through the vaginal dilator. When the dilation of the vaginal dilator is larger, the cervix is in a relaxed state, and the front and rear lips of the cervix are clamped to form a closed state so as to ensure the uterine expansion effect; the forceps clamps can cause obvious injury to the cervix uteri or cause poor uterine expansion effect due to repeated slippage; and, when hysteroscope inspects the inner wall of cervix uteri, the forceps holder can obviously influence the observation effect.
Particularly, when the hysteroscope is used for observing whether the congenital abnormal development of the vagina and the cervix of a patient exists, the uterus expanding liquid is required to be used for filling the vagina, and the conventional vaginal dilator cannot keep the vagina in a relatively sealed state, so that the observation effect is influenced.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the vagina and the uterine cavity cannot be kept in a relatively sealed state by the vaginal dilator in the prior art, so that the vaginal dilator with sealing performance is provided.
In order to solve the above technical problems, the present invention provides a vaginal dilator, comprising:
an outer sheath for insertion into the vagina;
the inner sheath tube is sleeved in the outer sheath tube in a sliding manner, sliding sealing is carried out between the inner sheath tube and the outer sheath tube, and the inner sheath tube is suitable for sliding sealing with a hysteroscope;
the far end of the inner sheath tube is connected with an expansion part, the expansion part has a retraction state of being accommodated in the outer sheath tube and an expansion state of being extended out of the outer sheath tube, and the expansion part is suitable for expanding and supporting the vagina.
Further, the cover is equipped with first sealing washer on the inner wall of outer sheath pipe, interior sheath pipe with first sealing washer carries out sliding seal
Further, the first sealing ring is arranged close to the far end of the outer sheath pipe.
Further, the inner wall of the inner sheath pipe is annularly provided with a second sealing ring, and the inner sheath pipe is in sliding sealing with the hysteroscope through the second sealing ring.
Further, the second sealing ring is arranged close to the far end of the inner sheath tube.
Furthermore, the expansion part is annularly attached to the outer wall of the inner sheath tube, and the far end of the expansion part is flush with the far end of the inner sheath tube.
Further, the expansion part includes:
the elastic supporting strips are distributed around the inner sheath tube, the proximal ends of the elastic supporting strips are attached to the outer wall of the inner sheath tube, and the distal ends of the elastic supporting strips have elastic force suitable for bending outwards away from the inner sheath tube;
and the elastic membrane is annularly wrapped on one side of the elastic stay, which is far away from the inner sheath tube, so that an elastic cylindrical structure is formed.
Further, the proximal end of the outer sheath tube is sleeved with a handle, and the handle is provided with a plurality of holding grooves suitable for accommodating fingers.
The technical scheme of the invention has the following advantages:
1. according to the vaginal dilator provided by the invention, after the outer sheath tube extends into the vagina, the inner sheath tube is pushed forwards, the expansion part gradually extends out of the outer sheath tube and expands outwards along the radial direction of the inner sheath tube, and the vagina expands along the expansion part in the radial direction; the outer sheath tube is in close contact with the vagina, the outer sheath tube and the vagina have a sliding sealing effect, and the uterine distention liquid cannot overflow from the outer wall of the outer sheath tube; the sliding seal is carried out between the inner sheath tube and the outer sheath tube and between the inner sheath tube and the hysteroscope, and the uterine swelling liquid can not overflow from the space between the inner sheath tube and the outer sheath tube and the space between the inner sheath tube and the hysteroscope. The vaginal dilator can seal the vagina and the uterine cavity, and prevent uterine bleeding liquid from overflowing the body to influence the examination or treatment effect.
2. According to the vaginal dilator provided by the invention, the first sealing ring is arranged close to the far end of the outer sheath tube, so that uterine cavity expanding liquid residue between the outer sheath tube and the inner sheath tube is reduced.
3. According to the vaginal dilator provided by the invention, the second sealing ring is arranged close to the distal end of the inner sheath tube, so that a hysteroscope can conveniently and rapidly extend into a part to be detected; and the residue of uterus swelling liquid in the inner sheath is reduced.
4. According to the vaginal dilator provided by the invention, the far end of the expansion part is arranged in parallel with the far end of the inner sheath tube, and the expansion part in the initial state is always clamped between the outer sheath tube and the inner sheath tube, so that the expansion part can keep a good forming effect in the initial state; the expansion portion can expand more quickly when the inner sheath tube is pushed forward.
5. According to the vaginal dilator, the handle and the holding groove are arranged, so that medical workers can operate the vaginal dilator conveniently, and the vaginal dilator is prevented from slipping.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of the vaginal dilator in an initial state.
Fig. 2 is a structural schematic diagram of the vaginal dilator in an operating state.
Description of reference numerals:
1. a handle; 2. an outer sheath tube; 3. an inner sheath tube; 4. a holding groove; 5. an elastic stay; 6. an elastic film.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention provides a vaginal dilator, comprising: a handle 1, an outer sheath tube 2, an inner sheath tube 3 and an expansion part.
As shown in figure 1, the initial state of the vaginal dilator is shown with the temple portion in a retracted state. The handle 1 is of a rectangular structure, and a holding groove 4 matched with fingers is formed in the handle 1; the holding groove 4 not only can improve the comfort of medical personnel, but also can avoid being separated from the handle 1 in the hand operation process; the handle 1 is provided with a through hole, and the outer sheath tube 2 is sleeved in the through hole. The cover is equipped with first sealing washer on the outer wall of sheath pipe 2, first sealing washer is close to the distal end setting of sheath pipe 2, first sealing washer can be a plurality of that one or interval set up. The inner sheath tube 3 is coaxially sleeved in the outer sheath tube 2, the inner diameter of the first sealing ring is slightly larger than the outer diameter of the inner sheath tube 3, and sliding sealing is carried out between the inner sheath tube 3 and the first sealing ring; the first sealing ring separates a gap between the outer sheath tube 2 and the inner sheath tube 3 into two parts which are not communicated with each other, and the first sealing ring enables the movement of the inner sheath tube 3 to have certain resistance, so that the inner sheath tube 3 is prevented from sliding randomly in the outer sheath, and the vaginal dilator is prevented from being scrapped. A second sealing ring is annularly arranged on the inner wall of the inner sheath tube 3, the second sealing ring is arranged close to the far end of the inner sheath tube 3, and the number of the second sealing rings can be one or more than one; the inner diameter of the second sealing ring is slightly larger than the outer diameter of the hysteroscope rod part, so that the hysteroscope rod part and the second sealing ring are in sliding sealing, and the second sealing ring divides the gap between the inner sheath tube 3 and the hysteroscope rod part into two parts which are not communicated with each other.
As shown in figure 2, the expansion part is in an expansion state in the working state of the vaginal dilator. The near end of the expansion supporting part is attached to the outer wall of the inner sheath tube 3 in a surrounding mode, the far end of the expansion supporting part is a free end, and the far end of the expansion supporting part is arranged in parallel with the far end of the inner sheath tube 3. The expansion part consists of an elastic stay 5 and an elastic membrane 6, and the elastic stay 5 is a shape memory alloy wire; the elastic supporting strips 5 are distributed around the inner sheath tube 3, the near ends of the elastic supporting strips 5 are attached to the outer wall of the inner sheath tube 3, and the far ends of the elastic supporting strips 5 are free ends; the elastic stay 5 is in an arc-shaped structure in a free state. The elastic membrane 6 is annularly wrapped on one side of the elastic supporting strip 5, which is far away from the inner sheath tube 3, so that an elastic cylindrical structure is formed; when the expansion part expands the vagina, the elastic membrane 6 is expanded into a horn-shaped structure by the elastic stay 5, and is tightly attached to the inner wall of the vagina for supporting and expanding.
The working principle is as follows:
the handle 1 is held by hand, and after part of the outer sheath 2 is inserted into the vagina, the inner sheath 3 is pushed inwards;
the expansion part and the inner sheath 3 move synchronously, and the expansion part expands radially while extending out of the outer sheath 2 to expand the vagina;
after the vagina is expanded, the hysteroscope enters the vagina, the cervical canal and the uterine cavity through the inner sheath tube 3 for diagnosis or treatment;
taking out the hysteroscope after diagnosis or treatment is finished; the inner sheath tube 3 is pulled outwards, and the inner sheath tube 3 drives the expansion part to retract between the outer sheath tube 2 and the inner sheath tube 3; finally, the vaginal dilator is withdrawn from the human body.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. A vaginal dilator, comprising:
an outer sheath tube (2) for insertion into the vagina;
the inner sheath tube (3) is sleeved in the outer sheath tube (2) in a sliding manner, sliding sealing is carried out between the inner sheath tube (3) and the outer sheath tube (2), and the inner sheath tube (3) is suitable for sliding sealing with a hysteroscope;
the far end of the inner sheath tube (3) is connected with an expansion part, the expansion part has a retraction state accommodated in the outer sheath tube (2) and an expansion state extending out of the outer sheath tube (2), and the expansion part is suitable for expanding and supporting the vagina.
2. A vaginal dilator according to claim 1, characterised in that the inner wall of said outer sheath (2) is sleeved with a first sealing ring, said inner sheath (3) being in sliding sealing with said first sealing ring.
3. A vaginal dilator, according to claim 2, characterised in that said first sealing ring is arranged close to the distal end of said sheath tube (2).
4. The vaginal dilator according to claim 1, characterized in that a second sealing ring is annularly arranged on the inner wall of the inner sheath tube (3), and the inner sheath tube (3) is slidably sealed with the hysteroscope through the second sealing ring.
5. A vaginal dilator, according to claim 4, characterised in that said second sealing ring is arranged close to the distal end of said inner sheath (3).
6. A vaginal dilator according to claim 1, characterised in that said dilatant loop is applied against the outer wall of the inner sheath (3), the distal end of said dilatant loop being arranged flush with the distal end of the inner sheath (3).
7. The vaginal dilator of claim 1, wherein the dilator dilation portion comprises:
the elastic supporting strips (5) are distributed around the inner sheath tube (3), the proximal ends of the elastic supporting strips (5) are attached to the outer wall of the inner sheath tube (3), and the distal ends of the elastic supporting strips (5) have elastic force suitable for bending outwards away from the inner sheath tube (3);
the elastic membrane (6) is annularly wrapped on one side, away from the inner sheath tube (3), of the elastic supporting strip (5) to form an elastic cylindrical structure.
8. A vaginal dilator according to claim 1, characterised in that the proximal end of the sheath (2) is sheathed with a handle (1), the handle (1) having a plurality of gripping grooves (4) adapted to receive fingers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936413.0A CN113499030A (en) | 2021-08-16 | 2021-08-16 | Vaginal dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110936413.0A CN113499030A (en) | 2021-08-16 | 2021-08-16 | Vaginal dilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113499030A true CN113499030A (en) | 2021-10-15 |
Family
ID=78016243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110936413.0A Pending CN113499030A (en) | 2021-08-16 | 2021-08-16 | Vaginal dilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113499030A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114869433A (en) * | 2022-05-19 | 2022-08-09 | 中国人民解放军空军军医大学 | Combined oviduct recanalization system for laparoscopic hysteroscope guide wire |
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| US20080154244A1 (en) * | 2006-12-21 | 2008-06-26 | Steven Jiwan Singh | Medical Instrument |
| CN101318052A (en) * | 2008-03-01 | 2008-12-10 | 刘旭 | Umbrella shaped expander for stitching cunt |
| CN103349564A (en) * | 2013-07-16 | 2013-10-16 | 东南大学 | Novel uterine cavity expander |
| CN204813980U (en) * | 2015-07-29 | 2015-12-02 | 尚秀君 | Gynaecology's autocoid substance extractor |
| CN207590742U (en) * | 2017-02-23 | 2018-07-10 | 薛小芳 | A kind of obstetrical artificial rupture of membranes tool |
| CN208591021U (en) * | 2017-10-09 | 2019-03-12 | 连云港市第一人民医院 | A kind of good double capsule boosting casings of stability |
| CN208822833U (en) * | 2018-07-09 | 2019-05-07 | 青岛农业大学 | Animal specific examination per vagina sampler |
| CN209595708U (en) * | 2018-06-14 | 2019-11-08 | 张玉秀 | A kind of hysteroscope with leak-proof device |
| CN110711308A (en) * | 2019-10-28 | 2020-01-21 | 中南大学湘雅医院 | Sustained drug release device capable of preventing uterine adhesion and using method thereof |
| CN210749538U (en) * | 2019-09-17 | 2020-06-16 | 四川大学华西第二医院 | Vaginal operation protection device for gynecology |
| CN210990506U (en) * | 2019-08-19 | 2020-07-14 | 常州伊沃特医疗器械有限公司 | Anastomat with good sealing performance for laparoscope |
-
2021
- 2021-08-16 CN CN202110936413.0A patent/CN113499030A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080154244A1 (en) * | 2006-12-21 | 2008-06-26 | Steven Jiwan Singh | Medical Instrument |
| CN101318052A (en) * | 2008-03-01 | 2008-12-10 | 刘旭 | Umbrella shaped expander for stitching cunt |
| CN103349564A (en) * | 2013-07-16 | 2013-10-16 | 东南大学 | Novel uterine cavity expander |
| CN204813980U (en) * | 2015-07-29 | 2015-12-02 | 尚秀君 | Gynaecology's autocoid substance extractor |
| CN207590742U (en) * | 2017-02-23 | 2018-07-10 | 薛小芳 | A kind of obstetrical artificial rupture of membranes tool |
| CN208591021U (en) * | 2017-10-09 | 2019-03-12 | 连云港市第一人民医院 | A kind of good double capsule boosting casings of stability |
| CN209595708U (en) * | 2018-06-14 | 2019-11-08 | 张玉秀 | A kind of hysteroscope with leak-proof device |
| CN208822833U (en) * | 2018-07-09 | 2019-05-07 | 青岛农业大学 | Animal specific examination per vagina sampler |
| CN210990506U (en) * | 2019-08-19 | 2020-07-14 | 常州伊沃特医疗器械有限公司 | Anastomat with good sealing performance for laparoscope |
| CN210749538U (en) * | 2019-09-17 | 2020-06-16 | 四川大学华西第二医院 | Vaginal operation protection device for gynecology |
| CN110711308A (en) * | 2019-10-28 | 2020-01-21 | 中南大学湘雅医院 | Sustained drug release device capable of preventing uterine adhesion and using method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114869433A (en) * | 2022-05-19 | 2022-08-09 | 中国人民解放军空军军医大学 | Combined oviduct recanalization system for laparoscopic hysteroscope guide wire |
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