CN111134611A - Gynaecology is with expanding external genitals - Google Patents
Gynaecology is with expanding external genitals Download PDFInfo
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- CN111134611A CN111134611A CN202010131175.1A CN202010131175A CN111134611A CN 111134611 A CN111134611 A CN 111134611A CN 202010131175 A CN202010131175 A CN 202010131175A CN 111134611 A CN111134611 A CN 111134611A
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- handles
- guide rod
- fixed seat
- seat
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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
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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
- A61B1/06—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 with illuminating arrangements
- A61B1/07—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 with illuminating arrangements using light-conductive means, e.g. optical fibres
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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
- A61B1/303—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
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- Radiology & Medical Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Gynecology & Obstetrics (AREA)
- Reproductive Health (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the field of medical instruments and discloses a gynecological vaginal dilator, which comprises two handles, wherein hinged parts are respectively arranged at the upper end and the lower end of each handle; the hinged parts at the upper ends of the two handles are respectively and rotatably connected with the upper fixing seat, the hinged parts at the lower ends of the two handles are respectively and rotatably connected with the lower fixing seat, and each handle can relatively rotate with the upper fixing seat and the lower fixing seat; the upper fixed seat is provided with a guide hole, a guide rod is limited in the guide hole, and the lower end of the guide rod is fixedly connected with the movable seat; the upper fixing seat is provided with a pushing spring for driving the guide rod to move upwards and a locking bolt for locking the guide rod; the movable seat and the lower fixed seat are respectively connected with the upper piece and the lower piece. The gynecological vaginal dilator has a scientific and reasonable structure, is convenient and quick to adjust, can be suitable for different patients with large individual differences, can ensure that the degree of expansion force of the vagina from inside to outside tends to be consistent and balanced, and can be adjusted to the optimal expansion state according to clinical actual conditions during use.
Description
Technical Field
The invention relates to a medical instrument, in particular to a vaginal dilator used in gynecological clinical examination and treatment.
Background
The vaginal dilator is a vaginal dilator, is usually used for dilating vagina in routine examination and operation treatment of gynecological diseases to obtain a better examination visual field or an operation field, is a medical instrument commonly used in gynecology, and generally comprises a pair of dilating wings and a handle, wherein the two dilating wings are duckbilled, the rear ends of the dilating wings are hinged, the handle is arranged at the tail ends of the dilating wings, and the opening angle of the dilating wings can be adjusted by the handle and the positions of the dilating wings can be locked, so that the expected dilating purpose is realized. Because the expansion degree of the existing vaginal dilator is mostly adjusted by adjusting the opening angle, in the clinical use process, the expansion degrees of the expansion wings applied to the vagina from inside to outside are often inconsistent and unbalanced, which easily causes the patients to have over-large local stress and severe pain or even contusion; particularly, when the opening angle of the two expansion wings is larger, although the inside of the vagina can be fully expanded, the part close to the vaginal opening is difficult to be fully expanded, and in addition, the rear port of the vaginal dilator is usually in a closed ring shape, which often forms a bottleneck for hindering operations such as examination and operation; in addition, because the tail ends of the two expansion wings are connected in an articulated manner, the articulated elements can shield the sight of a doctor to a certain extent. In conclusion, the existing vaginal dilator is not reasonable in structural design, and is difficult to adjust to the optimal dilating state according to the clinical practical conditions of individual difference, dilating purposes and the like of patients in the using process.
Disclosure of Invention
The technical purpose of the invention is to provide a vaginal dilator for gynecology, which has scientific and reasonable structure, is convenient and quick to use, can be adjusted to the optimal expansion state according to the clinical practical situation, and is beneficial to examination or operation.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a gynecological vaginal dilator comprises two arched handles with the same shape, wherein the upper end and the lower end of each handle are respectively provided with a hinge part; the hinged parts at the upper ends of the two handles are respectively and rotatably connected with two positions of an upper fixed seat, and the hinged parts at the lower ends of the two handles are respectively and rotatably connected with two positions of a lower fixed seat, so that the upper fixed seat is positioned right above the lower fixed seat and the relative positions of the upper fixed seat and the lower fixed seat are constant; two rotating shafts corresponding to the two hinged parts of the same handle are overlapped, so that each handle can rotate relative to the upper fixing seat and the lower fixing seat; a locking mechanism is arranged between the two handles, and when the two handles are rotated to be in a closed state right behind the upper fixing seat and the lower fixing seat, the two handles can be locked by the locking mechanism; the upper fixed seat is provided with a guide hole which penetrates through the upper fixed seat and the lower fixed seat, a guide rod which can only slide up and down along the guide hole is limited in the guide hole, and the lower end of the guide rod is fixedly connected with a movable seat; the upper fixed seat is provided with a pushing spring for driving the guide rod to move upwards and a locking bolt for locking the position of the guide rod; the movable seat and the lower fixed seat are respectively connected with an upper piece and a lower piece which extend forwards, and the upper piece and the lower piece are matched up and down to expand the vagina.
The using method and the working principle of the gynecological vaginal dilator are as follows:
when the locking device is used clinically, the upper piece is adjusted to the lowest position by pressing the guide rod downwards, and the guide rod is locked by the locking bolt, so that the upper piece and the lower piece are kept in a buckled state; the two handles are rotated to the right rear part of the upper fixing seat and the lower fixing seat, and the two handles are locked by the locking mechanism so as to keep the two handles in a close state, and at the moment, the upper piece, the lower piece and the two handles integrally extend along the front-back direction and all parts cannot move relatively; the upper piece and the lower piece which are buckled are stretched into the vagina of a patient by holding the handle, the locking effect of the locking mechanism on the two handles is released, the two handles are manually rotated outwards to enable the two handles to be respectively clung to the inner sides of thighs of the patient, the locking bolt is rotated to release the locking on the guide rod, and then the guide rod drives the upper piece to move upwards under the driving of the ejection spring, namely the distance between the upper piece and the lower piece is gradually increased to realize the purpose of expected vagina expansion; if the vaginal dilation degree meets the requirement of clinical operation, the upper piece does not reach the top of the stroke, and the guide rod can be locked by the locking bolt, so that unnecessary pain of a patient caused by the fact that the pushing spring continuously pushes the upper piece to move upwards is avoided.
Compared with the prior art, the gynecological vaginal dilator disclosed by the invention has the following technical effects:
when the gynecological vaginal dilator is clinically used, the expansion degree of the upper piece and the lower piece is adjusted in a translation mode, and the front-back moving amplitude of the upper piece and the lower piece is consistent, so that the expansion force degree of the vagina from inside to outside can be ensured to be consistent and balanced, on one hand, the situation that the vagina is severely painful and even contused due to overlarge local stress can be improved or even avoided, on the other hand, the hollow space formed after expansion is extremely beneficial to the clinical operation such as examination and operation and the like because the expansion space of the vagina is consistent and no hinged part exists between the upper piece and the lower piece, and the bottleneck obstructing the operation such as examination and operation and the like can not be formed, and simultaneously, the surgical field can be enlarged; in addition, when the vaginal dilator for gynecology is used, the two handles can be rotated to the inner side of the thigh of the patient, so that the clinical operations such as examination, operation and the like cannot be obstructed. In conclusion, the gynecological vaginal dilator has a scientific and reasonable structure, is convenient and quick to adjust, can be suitable for different patients with large individual differences, and can be adjusted to the optimal dilation state according to clinical practical conditions during use.
Drawings
Fig. 1 is one of the structural schematic diagrams of the gynecological vaginal speculum when the two handles are closed.
Fig. 2 is a second schematic structural view of the gynecological vaginal speculum with the two handles closed.
Fig. 3 is a schematic view showing the state of the gynecological vaginal dilator in clinical use.
Fig. 4 is a second schematic view of the gynecological vaginal dilator in clinical use.
Fig. 5 is an exploded view of the vaginal dilator for gynecology.
Fig. 6 is a schematic structural view of the vaginal dilator for gynecology when the upper and lower plates are buckled.
Fig. 7 shows a matching structure of the lower plate and the lower fixing base.
In the figure, 1, a guard plate, 2, a hinge part, 3, an end, 4, a pushing spring, 5, a guide rod, 6, an upper fixed seat, 7, a movable seat, 8, a locking mechanism, 81, a butt joint part, 82, a magnetic suction piece, 9, a handle, 10, a lower fixed seat, 11, a lower piece, 12, an upper piece, 13, an inserting plate, 14, a guide hole, 15, a locking bolt, 16, a jack, 17, a switch, 18 and a light source.
Detailed Description
Referring to fig. 1-5, the invention discloses a vaginal dilator for gynecology, which comprises two handles 9, an upper fixed seat 6 and a lower fixed seat 10, wherein the two handles 9 are identical in shape and are both arc-shaped, and the upper end and the lower end of each handle 9 are respectively provided with a hinge part 2 for rotationally connecting with other parts; the hinged parts 2 at the upper ends of the two handles 9 are respectively and rotatably connected with two positions of the upper fixed seat 6, the hinged parts 2 at the lower ends of the two handles 9 are respectively and rotatably connected with two positions of the lower fixed seat 10, and under the support of the two handles 9, the upper fixed seat 6 is positioned right above the lower fixed seat 10, and the relative positions of the upper fixed seat 6 and the lower fixed seat 10 are constant; two rotating shafts corresponding to the upper and lower hinged parts 2 of the same handle 9 are overlapped, so that each handle 9 can rotate relative to the upper fixed seat 6 and the lower fixed seat 10; a locking mechanism 8 is arranged between the two handles 9, and when the two handles 9 rotate to the right back of the upper fixed seat 6 and the lower fixed seat 10 to be in a closed state, the locking mechanism 8 can lock the two handles 9; based on the above structure relationship, when the locking mechanism 8 locks the two handles 9, the upper fixing seat 6 and the lower fixing seat 10 cannot move relatively; the upper fixed seat 6 is provided with a guide hole 14 penetrating through the upper fixed seat and the lower fixed seat, a guide rod 5 only sliding up and down along the guide hole 14 is limited in the guide hole 14, and the lower end of the guide rod 5 is fixedly connected with a movable seat 7, so that the movable seat 7 is positioned right below the upper fixed seat 6 and can only move up and down; the upper fixing seat 6 is provided with a pushing spring 4 and a locking bolt 15, the pushing spring 4 is used for driving the guide rod 5 to move upwards, and the locking bolt 15 is used for locking the position of the guide rod 5; the movable seat 7 and the lower fixed seat 10 are respectively connected with an upper piece 12 and a lower piece 11 which extend forwards, the upper piece 12 and the lower piece 11 are vertically matched to expand the vagina, and the upper piece 12 and the lower piece 11 are in duckbill shapes.
The using method and the working principle of the gynecological vaginal dilator are as follows:
referring to fig. 1, 3 and 6, in clinical use, the guide rod 5 is pressed downwards to adjust the upper plate 12 to the lowest position, the guide rod 5 is locked by the locking bolt 15, the ejection spring 4 is in a compressed state, and the upper plate 12 and the lower plate 11 maintain a buckled state; the two handles 9 are respectively rotated backwards to the right rear parts of the upper fixing seat 6 and the lower fixing seat 10, the two handles 9 are locked by the locking mechanism 8, so that the two handles 9 are kept in a closed state, at the moment, the upper piece 12, the lower piece 11 and the two handles 9 integrally extend in the front-back direction, and all the parts cannot move relatively; the handle 9 is held, the upper piece 12 and the lower piece 11 which are buckled with each other extend into the vagina of a patient, the locking effect of the locking mechanism 8 on the two handles 9 is manually released, the two handles 9 are rotated outwards, the two handles 9 are respectively clung to the inner sides of thighs of the patient, the locking bolt 15 is rotated to release the locking on the guide rod 5, and then the guide rod 5 drives the upper piece 12 to move upwards under the driving of the ejector spring 4, namely the distance between the upper piece 12 and the lower piece 11 is gradually increased to realize the purpose of expected vagina expansion; if the vaginal dilation degree meets the clinical operation requirement, the upper piece 12 does not reach the top of the stroke, and the guide rod 5 can be locked by the locking bolt 15 at the moment, so that unnecessary pain of a patient caused by the fact that the pushing spring 4 continuously pushes the upper piece 12 to move upwards is avoided.
Referring to fig. 1 and 3, when the vaginal dilator for gynecology is used clinically, the expansion degree of the upper piece 12 and the lower piece 11 is adjusted in a translation mode, and the forward and backward movement amplitudes of the upper piece 12 and the lower piece 11 are always kept consistent, so that the expansion force of the vagina from inside to outside tends to be consistent and balanced, on one hand, the situation that severe pain, even contusion and the like are caused by overlarge local stress can be improved and even avoided, on the other hand, based on the fact that the expansion space tends to be consistent from inside to outside of the vagina, and in addition, the hinge part 2 does not exist between the upper piece 12 and the lower piece 11, the bottleneck which obstructs operations such as examination and operation and the like cannot be formed, the hollow space formed after expansion is extremely favorable for the clinical operations such as examination and operation and the like, and the operation field is also.
In addition, as shown in fig. 3 and 4, when the vaginal dilator for gynecology is used, the two handles 9 can be rotated to the inner side of the thigh of the patient, and the positions of the two handles 9 can be flexibly adjusted by a rotating mode according to actual needs, so that the handles 9 do not cause obstacles to clinical operations such as examination and operation, and the like, and the clinical operations are facilitated.
The gynecological vaginal dilator has a scientific and reasonable structure and convenient and quick adjustment in the clinical operation process, can be suitable for different patients with large individual differences, and can be adjusted to the optimal dilation state according to clinical practical conditions during use.
Further, referring to fig. 3 and 5, in the above-mentioned vaginal dilator for gynecology, the guide hole 14 is opened at the center of the upper fixing base 6, and the two connecting positions of the hinge part 2 at the upper ends of the two handles 9 and the upper fixing base 6 are symmetrically distributed at the left and right sides of the guide hole 14.
Further, referring to fig. 3 and 5, in the above gynecological vaginal speculum, the guide hole 14 is a non-circular hole, and the guide rod 5 is a non-cylindrical hole, thereby ensuring that the guide hole 14 and the guide rod 5 can only slide up and down relatively but cannot rotate relatively.
Further, referring to fig. 3 and 5, in the above vaginal dilator for gynecology, the pushing spring 4 is sleeved outside the guide rod 5, the upper end of the pushing spring 4 abuts against the end 3 of the upper end of the guide rod 5, and the lower end of the pushing spring 4 abuts against the upper side of the upper fixing seat 6.
Further, referring to fig. 2, 3 and 5, in the above-mentioned gynecological vaginal speculum, the locking mechanism 8 includes two abutting portions 81 respectively provided on the handle 9, and magnetic suction pieces 82 are respectively fixed to the abutting portions 81; the two handles 9 are rotated backwards to enable the two butt-joint parts 81 to be butted together, and the two magnetic attraction pieces 82 are mutually attracted to prevent the two butt-joint parts 81 from being separated, so that the two handles 9 are positioned right behind the upper fixing seat 6 and the lower fixing seat 10 and are in a closed state; the locking mechanism 8 is simple in structure and convenient to use, when the two handles 9 are rotated to the right back side, the locking mechanism 8 can automatically lock the two handles 9, and because the attraction force between the magnetic attraction pieces 82 is extremely limited, a user can release the locking effect of the locking mechanism 8 by slightly rotating the handles 9 to the two sides.
Further, in the above gynecological vaginal speculum, a rubber ring (not shown) for providing a friction damping effect for the guide rod 5 is disposed in the guide hole 14, so as to ensure that the movement speed is gentle when the guide rod 5 is adjusted up and down, and avoid discomfort or injury to the patient.
Further, in the above gynecological vaginal speculum, the connection structure of the upper plate 12, the lower plate 11, the movable seat 7, and the lower fixed seat 10 has various embodiments, and the following two embodiments are preferred in the present invention:
firstly, the upper sheet 12 and the movable seat 7 are in a fixed connection structure, and the lower sheet 11 and the lower fixed seat 10 are in a fixed connection structure; when the upper piece 12, the movable seat 7, the lower piece 11 and the lower fixed seat 10 adopt the structural design, the gynecological vaginal dilator is integrally a non-disposable apparatus because the upper piece 12 and the lower piece 11 cannot be disassembled and assembled quickly and are also made of materials such as metal, composite materials and the like;
secondly, as shown in fig. 1, 3 and 5, the movable seat 7 and the lower fixed seat 10 are both provided with a plug hole 16 extending back and forth; the back sides of the upper sheet 12 and the lower sheet 11 are respectively provided with a protective plate 1 extending outwards, and the protective plate 1 is provided with an inserting plate 13 extending backwards and used for being inserted and combined with a corresponding inserting hole 16; when the upper piece 12 is combined with the movable seat 7, the front side of the movable seat 7 is shielded by the guard plate 1, and the lower side of the movable seat 7 is shielded by the rear end part of the upper piece 12; after the lower sheet 11 is combined with the lower fixing seat 10, the front side of the lower fixing seat 10 is shielded by the protection plate 1, and the upper side of the lower fixing seat 10 is shielded by the rear end part of the lower sheet 11; the upper sheet 12, the lower sheet 11, the guard plate 1 and the inserting plate 13 are all made of disposable medical materials; therefore, the upper sheet 12 and the lower sheet 11 can be conveniently disassembled from and assembled with the movable seat 7 and the lower fixed seat 10, and the upper sheet 12 and the lower sheet 11 are disposable, so that sterility and sanitation are guaranteed; after the upper sheet 12 and the lower sheet 11 are assembled, the front side and the lower side of the movable seat 7 and the front side and the upper side of the lower fixed seat 10 are not contacted with the body of a patient, which is also beneficial to ensuring the sterility and sanitation of the components except the upper sheet 12 and the lower sheet 11.
Further, referring to fig. 7, in the above gynecological vaginal speculum, the lower plate 11 is made of light-conducting material, and the lower fixing base 10 is provided with a light source 18, a power supply for supplying power to the light source 18, and a switch 17 for controlling the light-emitting state of the light source 18; the light source 18 can irradiate light on the lower sheet 11 to make the lower sheet 11 in a luminous state;
still further, in the above gynecological vaginal speculum, the upper plate 12 is made of light-conducting material, and the movable base 7 is provided with a light source 18, a power supply for supplying power to the light source 18, and a switch 17 for controlling the light-emitting state of the light source 18; the light source 18 can irradiate light on the upper sheet 12 to make the upper sheet 12 in a luminous state;
after the gynecological vaginal dilator adopts the design, the upper sheet 12 or the lower sheet 11 can be in a luminous state according to actual needs during clinical use so as to improve the brightness in the vagina, thereby bringing convenience to operations such as examination or operation; meanwhile, the addition of the light emitting function does not increase the size of the upper sheet 12 and the lower sheet 11, and does not bring adverse effects to clinical use.
Claims (8)
1. The utility model provides a gynaecology is with expanding external genitals which characterized in that: the handle comprises two arched handles with the same shape, wherein the upper end and the lower end of each handle are respectively provided with a hinge part; the hinged parts at the upper ends of the two handles are respectively and rotatably connected with two positions of an upper fixed seat, and the hinged parts at the lower ends of the two handles are respectively and rotatably connected with two positions of a lower fixed seat, so that the upper fixed seat is positioned right above the lower fixed seat and the relative positions of the upper fixed seat and the lower fixed seat are constant; two rotating shafts corresponding to the two hinged parts of the same handle are overlapped, so that each handle can rotate relative to the upper fixing seat and the lower fixing seat; a locking mechanism is arranged between the two handles, and when the two handles are rotated to be in a closed state right behind the upper fixing seat and the lower fixing seat, the two handles can be locked by the locking mechanism; the upper fixed seat is provided with a guide hole which penetrates through the upper fixed seat and the lower fixed seat, a guide rod which can only slide up and down along the guide hole is limited in the guide hole, and the lower end of the guide rod is fixedly connected with a movable seat; the upper fixed seat is provided with a pushing spring for driving the guide rod to move upwards and a locking bolt for locking the position of the guide rod; the movable seat and the lower fixed seat are respectively connected with an upper piece and a lower piece which extend forwards, and the upper piece and the lower piece are matched up and down to expand the vagina.
2. The gynecological vaginal dilator according to claim 1, characterized in that: the upper sheet and the lower sheet are duckbilled.
3. The gynecological vaginal dilator according to claim 1, characterized in that: the guiding hole is arranged at the central position of the upper fixing seat, and the hinged parts at the upper ends of the two handles and the two connecting parts of the upper fixing seat are symmetrically distributed at the left side and the right side of the guiding hole.
4. The gynecological vaginal dilator according to claim 1, characterized in that: the guide hole is a non-circular hole, and the guide rod is a non-cylindrical hole, so that the guide hole and the guide rod can only slide up and down relatively but cannot rotate relatively.
5. The gynecological vaginal dilator according to claim 1, characterized in that: the ejection spring is sleeved outside the guide rod, the upper end of the ejection spring abuts against the end head of the upper end of the guide rod, and the lower end of the ejection spring abuts against the upper side of the upper fixing seat.
6. The gynecological vaginal dilator according to claim 1, characterized in that: the locking mechanism comprises two butt joint parts which are respectively arranged on the handle, and magnetic attraction pieces are respectively fixed on the two butt joint parts; the two handles are rotated backwards to enable the two butting parts to be butted together, and the two magnetic suction pieces are mutually adsorbed to prevent the two butting parts from being separated.
7. The gynecological vaginal dilator according to claim 1, characterized in that: a rubber ring for providing a friction damping effect for the guide rod is arranged in the guide hole so as to ensure that the moving speed is gentle when the position of the guide rod is adjusted up and down.
8. The gynecological vaginal dilator according to claim 1, characterized in that: the upper piece and the movable seat are in a fixed connection structure, and the lower piece and the lower fixed seat are in a fixed connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010131175.1A CN111134611A (en) | 2020-02-29 | 2020-02-29 | Gynaecology is with expanding external genitals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010131175.1A CN111134611A (en) | 2020-02-29 | 2020-02-29 | Gynaecology is with expanding external genitals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111134611A true CN111134611A (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010131175.1A Pending CN111134611A (en) | 2020-02-29 | 2020-02-29 | Gynaecology is with expanding external genitals |
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| Country | Link |
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| CN (1) | CN111134611A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208668A (en) * | 2021-03-23 | 2021-08-06 | 张明玉 | Vaginal dilator for gynecological operation |
-
2020
- 2020-02-29 CN CN202010131175.1A patent/CN111134611A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208668A (en) * | 2021-03-23 | 2021-08-06 | 张明玉 | Vaginal dilator for gynecological operation |
| CN113208668B (en) * | 2021-03-23 | 2022-01-11 | 深圳市保安医疗用品有限公司 | Vaginal dilator |
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