CN111990955A - Disposable dilator for gynecological examination - Google Patents
Disposable dilator for gynecological examination Download PDFInfo
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- CN111990955A CN111990955A CN202010938765.5A CN202010938765A CN111990955A CN 111990955 A CN111990955 A CN 111990955A CN 202010938765 A CN202010938765 A CN 202010938765A CN 111990955 A CN111990955 A CN 111990955A
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- pull rod
- plate
- fixedly connected
- ring
- gear ring
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Radiology & Medical Imaging (AREA)
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to a disposable dilator for gynecological examination, wherein the inner wall of an inner toothed ring is movably connected with a first pull rod, one end of the first pull rod is movably connected with an annular plate, the outer surface of the annular plate is movably connected with a second pull rod opposite to the first pull rod, the other end of a short plate is fixedly connected with a fixed ring plate, the bottom end of the annular plate movably penetrates through the lower part of the fixed ring plate and is fixedly connected with a third pull rod, a clamping groove is formed in the short plate, a movable shaft is movably connected in the clamping groove, a polygonal groove is formed in the outer wall of the inner toothed ring and is positioned at the rear side of the short plate, the first pull rod drives the annular plate and the third pull rod at the bottom of the annular plate to move towards the outer side of the fixed ring plate under the support of the second pull rod, so that a dilating wing outwards expands to open a vagina, because the expansion wing is in six smooth arc structures, the pain of the patient is reduced when the vagina is expanded.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a disposable dilator for gynecological examination.
Background
When women are examined or treated by an operation, a commonly used instrument is a vaginal dilator, the vaginal dilator is the vaginal dilator, the product has high transparency and no burr, and when cervical conization operation, cervical LEEP conization operation, cervical biopsy operation and other operations needing vaginal operation are carried out, the vagina dilator is required to be used for completely dilating the vagina, so that doctors can conveniently carry out various medical operations on the cervix or the uterine cavity.
However, the existing vaginal dilator is a thin duckbill clip and is divided into an upper expansion wing and a lower expansion wing, when the vaginal dilator is opened, the vagina can only be expanded up and down, the expansion wings are flat, the radian is small, not only the expansion effect is not good, but also uncomfortable feeling is brought to a patient, and the development of medical operation is also hindered, secondly, the observation port of the vaginal dilator is always in an open state, bacteria on the hands of a doctor are brought into the vagina of the patient by touching the observation port of the vaginal dilator before the vaginal dilator is used by the doctor, so that the disease condition of the patient is aggravated, the normal product can be restored to the original position after the vaginal dilator is used, if the vaginal dilator is repeatedly used, the patient can be infected with diseases or cross infection, and therefore, technical personnel in the field provide a disposable dilator for gynecological examination, so as to solve the problems in the background technology.
Disclosure of Invention
In order to solve the technical problems, the invention provides a disposable dilator for gynecological examination, which is achieved by the following specific technical means:
a disposable dilator for gynecological examination comprises an outer toothed ring, wherein an inner toothed ring is meshed with the inner wall of the outer toothed ring, a first pull rod is movably connected to the inner wall of the inner toothed ring, an annular plate is movably connected to one end of the first pull rod, a second pull rod is movably connected to the outer surface of the annular plate and opposite to the first pull rod, a short plate is fixedly connected to the inner wall of the outer toothed ring, a fixed ring plate is fixedly connected to the other end of the short plate, a third pull rod is fixedly connected to the bottom end of the annular plate and movably penetrates through the lower portion of the fixed ring plate, arc-shaped clamping blocks are fixedly connected to the left end and the right end of the third pull rod, springs are fixedly connected to the inner portion of the fixed ring plate and located on the left side and the right side of the third pull rod, a push rod is fixedly connected to one end of each spring and located on the outer surface of the fixed ring plate, and a limiting block, the inside of short slab has seted up the draw-in groove, the inside swing joint of draw-in groove has the loose axle, the outer wall of interior ring gear just lies in the rear side of short slab and opens and be equipped with polygonal groove, the observation opening is seted up to the inside of fixed ring board.
Preferably, the outer surface of the outer gear ring is fixedly connected with a convex block, the inner wall of the outer gear ring is fixedly connected with a rack, and the width of the outer gear ring is smaller than that of the inner gear ring.
Preferably, the other end of the second pull rod is fixedly connected to the outer surface of the fixed ring plate, and the other end of the third pull rod is fixedly connected with the expansion wing below the fixed ring plate.
Preferably, the number of the expansion wings is six, and the expansion wings are made of transparent plastic materials.
Preferably, one end of the movable shaft is slidably connected to the inside of the polygonal groove, and a baffle is fixedly connected to the outer surface of the movable shaft and located between the short plate and the polygonal groove.
As optimization, the number of the short plates, the number of the movable shafts and the number of the blocking pages are six, and the blocking pages are of a pentagonal structure.
The invention has the following beneficial effects:
1. the disposable dilator for gynecological examination drives the inner toothed ring to rotate by rotating the outer toothed ring, the inner toothed ring drives the first pull rod to enable the first pull rod to displace, the first pull rod and the second pull rod are respectively and movably connected to two sides of the annular plate, the bottom end of the second pull rod is connected to the fixed ring plate and cannot move, so that the first pull rod drives the annular plate and the third pull rod at the bottom of the annular plate to move towards the outer side of the fixed ring plate under the support of the second pull rod, the dilating wings expand outwards to open the vagina, the dilating wings are six smooth arc structures, the pain of a patient is reduced during vaginal dilation, when the third pull rod drives the dilating wings to expand outwards, the arc-shaped clamping blocks at two sides of the third pull rod move to the outer side of the limiting block, and the limiting block is of a fan-shaped structure, so the arc-shaped clamping blocks can not return to the original position after moving to the outer side of the limiting block, therefore, the closing phenomenon of the vaginal dilator caused by the contraction of the vaginal wall can be prevented, the product can be effectively prevented from being reused, and the disease infection among patients can be avoided.
2. This a disposable expander for gynecological examination, when through rotatory outer ring gear, interior ring gear drives the short slab synchronous revolution of fixed connection at its inner wall, because the other end of the loose axle of draw-in groove inside is located the inside of polygonal groove, consequently, drive the loose axle when the short slab is rotatory and slide in the inside of draw-in groove and polygonal groove, thereby it develops gradually to spilling the viewing aperture to drive the initial fender page or leaf that is the closed form, fender page or leaf has sealed effect to the viewing aperture during initial condition, can prevent effectively that outside bacterium from getting into the inner wall that expands the wing along the viewing aperture, guarantee the aseptic health of therapeutic equipment, help developing of treatment.
Drawings
Fig. 1 is a front view structural schematic diagram of the inner gear ring of the invention.
FIG. 2 is a side view of the external gear ring of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 1.
Fig. 4 is an enlarged view of a portion B of fig. 3.
FIG. 5 is a schematic view of the short plate structure of the present invention.
FIG. 6 is a schematic view of a leaf blocking structure according to the present invention.
Fig. 7 is a front view of the outer ring gear of the present invention.
In the figure: 1. an outer ring gear; 2. an inner gear ring; 3. a first pull rod; 4. an annular plate; 5. a second pull rod; 6. a third pull rod; 7. an expansion wing; 8. a stationary ring plate; 9. an arc-shaped fixture block; 10. a spring; 11. a push rod; 12. a limiting block; 13. a short plate; 14. a card slot; 15. a movable shaft; 16. a polygonal groove; 17. blocking the page; 18. a viewing port; 19. a raised block; 20. a rack.
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.
Referring to fig. 1-7, a disposable dilator for gynecological examination comprises an outer gear ring 1, an inner gear ring 2 engaged with the inner wall of the outer gear ring 1, a protrusion 19 fixedly connected to the outer surface of the outer gear ring 1, a rack 20 fixedly connected to the inner wall of the outer gear ring 1, a first pull rod 3 movably connected to the inner wall of the inner gear ring 2, a ring plate 4 movably connected to one end of the first pull rod 3, a second pull rod 5 movably connected to the outer surface of the ring plate 4 and opposite to the first pull rod 3, a short plate 13 fixedly connected to the inner wall of the outer gear ring 1, a fixed ring plate 8 fixedly connected to the other end of the short plate 13, a third pull rod 6 fixedly connected to the bottom end of the ring plate 4 and movably penetrating the lower portion of the fixed ring plate 8, the other end of the second pull rod 5 fixedly connected to the outer surface of the fixed ring plate 8, and an expansion wing 7 fixedly connected to the other end of the third pull rod 6 and located below the fixed ring plate 8, the quantity of the expansion wings 7 has six, the expansion wings 7 are made of transparent plastic materials, arc-shaped clamping blocks 9 are fixedly connected to the left end and the right end of the third pull rod 6, springs 10 are fixedly connected to the inner portion of the fixed ring plate 8 and the left side and the right side of the third pull rod 6, one ends of the springs 10 are fixedly connected with push rods 11 which are fixedly connected to the outer surfaces of the fixed ring plate 8, one end of each push rod 11 is fixedly connected with a limiting block 12, when the third pull rod 6 drives the expansion wings 7 to expand outwards, the arc-shaped clamping blocks 9 on the two sides of the third pull rod 6 move to the outer sides of the limiting blocks 12, and the limiting blocks 12 are of fan-shaped structures, so that the arc-shaped clamping blocks 9 cannot return to the original positions after moving to the outer sides of the limiting blocks 12, the phenomenon that the vaginal wall is closed can be prevented, the reuse of products.
The inner side of the short plate 13 is provided with a clamping groove 14, the inner side of the clamping groove 14 is movably connected with a movable shaft 15, the outer wall of the inner gear ring 2 and the rear side of the short plate 13 are provided with a polygonal groove 16, the inner side of the fixed ring plate 8 is provided with an observation port 18, one end of the movable shaft 15 is connected with the inside of the polygonal groove 16 in a sliding manner, a baffle 17 is fixedly connected between the short plate 13 and the polygonal groove 16 on the outer surface of the movable shaft 15, the number of the short plate 13, the movable shaft 15 and the baffle 17 is six, the baffle 17 is of a pentagonal structure, the inner gear ring 2 drives the short plate 13 fixedly connected with the inner wall to synchronously rotate by rotating the outer gear ring 1, and the other end of the movable shaft 15 inside the clamping groove 14 is positioned inside the polygonal groove 16, so that the movable shaft 15 is driven to slide inside the clamping groove 14 and the polygonal groove 16 when the short plate 13 rotates, thereby driving the baffle 17 which is initially in a closed shape to gradually, the baffle 17 has a sealing effect on the observation port 18 in an initial state, so that external bacteria can be effectively prevented from entering the inner wall of the expansion wing 7 along the observation port 18, the sterility and sanitation of the therapeutic apparatus are ensured, and the development of treatment is facilitated.
The working principle is as follows: when the vagina dilator is used, the inner toothed ring 2 is driven to rotate by rotating the outer toothed ring 1, the inner toothed ring 2 drives the first pull rod 3 to enable the first pull rod 3 to displace, the first pull rod 3 and the second pull rod 5 are respectively movably connected to two sides of the annular plate 4, the bottom end of the second pull rod 5 is connected to the fixed annular plate 8 and cannot move, therefore, the first pull rod 3 drives the annular plate 4 and the third pull rod 6 at the bottom of the annular plate to move towards the outer side of the fixed annular plate 8 under the support of the second pull rod 5, so that the dilating wings 7 expand outwards to open the vagina, the dilating wings 7 are six smooth arc-shaped structures, the pain of a patient is reduced during vagina dilation, when the third pull rod 6 drives the dilating wings 7 to expand outwards, the arc-shaped clamping blocks 9 at two sides of the third pull rod 6 move to the outer side of the limiting block 12, and the limiting block 9 cannot return to the original position after moving to the limiting block 12 because the limiting block 12 is of a fan-shaped structure, therefore, the phenomenon of closing of the vaginal dilator caused by the contraction of the vaginal wall can be prevented, the reuse of products can be effectively prevented, the infection of diseases among patients can be avoided, the outer toothed ring 1 is rotated, meanwhile, the inner toothed ring 2 drives the short plate 13 fixedly connected to the inner wall of the outer toothed ring to synchronously rotate, and as the other end of the movable shaft 15 in the clamping groove 14 is positioned in the polygonal groove 16, the movable shaft 15 is driven to slide in the clamping groove 14 and the polygonal groove 16 when the short plate 13 rotates, so that the initially closed baffle 17 is driven to gradually expand to the leakage observation port 18, and the baffle 17 has a sealing effect on the observation port 18 in an initial state, thereby effectively preventing external bacteria from entering the inner wall of the dilating wing 7 along the observation port 18, ensuring the sterility and sanitation of the therapeutic apparatus, and being beneficial to the development of therapy.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 dilator for gynecological examinations, comprising an external toothed ring (1), characterized in that: the inner wall of the outer gear ring (1) is meshed with an inner gear ring (2), the inner wall of the inner gear ring (2) is movably connected with a first pull rod (3), one end of the first pull rod (3) is movably connected with a ring plate (4), the outer surface of the ring plate (4) and the first pull rod (3) are movably connected with a second pull rod (5) in a way of being opposite to each other, the inner wall of the outer gear ring (1) is fixedly connected with a short plate (13), the other end of the short plate (13) is fixedly connected with a fixed ring plate (8), the bottom end of the ring plate (4) movably penetrates through the lower part of the fixed ring plate (8) and is fixedly connected with a third pull rod (6), the left end and the right end of the third pull rod (6) are fixedly connected with arc-shaped clamping blocks (9), springs (10) are fixedly connected inside the fixed ring plate (8) and positioned at the left side and the right side of the third pull rod (6), one end of the spring (10) is fixedly connected with a push rod (11) on the outer surface of the fixed ring plate (8), one end of the push rod (11) is fixedly connected with a limiting block (12), a clamping groove (14) is formed in the short plate (13), a movable shaft (15) is movably connected in the clamping groove (14), a polygonal groove (16) is formed in the outer wall of the inner gear ring (2) and the rear side of the short plate (13), and an observation port (18) is formed in the fixed ring plate (8).
2. A disposable dilator for gynecological examinations according to claim 1, characterized in that: the outer surface of the outer gear ring (1) is fixedly connected with a convex block (19), the inner wall of the outer gear ring (1) is fixedly connected with a rack (20), and the width of the outer gear ring (1) is smaller than that of the inner gear ring (2).
3. A disposable dilator for gynecological examinations according to claim 1, characterized in that: the other end fixed connection of second pull rod (5) is at the surface of fixed ring board (8), the other end of third pull rod (6) just is located the below fixedly connected with expansion wing (7) of fixed ring board (8).
4. A disposable dilator for gynecological examinations according to claim 3, characterized in that: the number of the expansion wings (7) is six, and the expansion wings (7) are made of transparent plastic materials.
5. A disposable dilator for gynecological examinations according to claim 1, characterized in that: one end of the movable shaft (15) is connected to the inside of the polygonal groove (16) in a sliding mode, and a baffle (17) is fixedly connected to the outer surface of the movable shaft (15) and located between the short plate (13) and the polygonal groove (16).
6. A disposable dilator for gynecological examinations according to claim 5, characterized in that: the number of the short plates (13), the movable shafts (15) and the page blocking pieces (17) is six, and the page blocking pieces (17) are of pentagonal structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938765.5A CN111990955A (en) | 2020-09-09 | 2020-09-09 | Disposable dilator for gynecological examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938765.5A CN111990955A (en) | 2020-09-09 | 2020-09-09 | Disposable dilator for gynecological examination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111990955A true CN111990955A (en) | 2020-11-27 |
Family
ID=73469027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010938765.5A Withdrawn CN111990955A (en) | 2020-09-09 | 2020-09-09 | Disposable dilator for gynecological examination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111990955A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112869790A (en) * | 2021-01-13 | 2021-06-01 | 唐超琼 | Adjustable expansion device of optional formula private parts that gynaecology and obstetrics's operation was used |
| CN113440185A (en) * | 2021-07-16 | 2021-09-28 | 申兵涛 | Quick adjustment type of gynaecology expands palace device |
| CN117064451A (en) * | 2023-08-14 | 2023-11-17 | 上海市长宁区妇幼保健院 | Prenatal diagnosis and examination device for clinic |
-
2020
- 2020-09-09 CN CN202010938765.5A patent/CN111990955A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112869790A (en) * | 2021-01-13 | 2021-06-01 | 唐超琼 | Adjustable expansion device of optional formula private parts that gynaecology and obstetrics's operation was used |
| CN113440185A (en) * | 2021-07-16 | 2021-09-28 | 申兵涛 | Quick adjustment type of gynaecology expands palace device |
| CN113440185B (en) * | 2021-07-16 | 2024-02-02 | 瑞柏生物（中国）股份有限公司 | Gynaecology's fast regulating type expands palace device |
| CN117064451A (en) * | 2023-08-14 | 2023-11-17 | 上海市长宁区妇幼保健院 | Prenatal diagnosis and examination device for clinic |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201127 |
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| WW01 | Invention patent application withdrawn after publication |