A gradual flexible vaginal dilator

Abstract

The application discloses a gradual slow flexible vaginal dilator, which comprises a ring body, a plurality of expansion sheets hingedly connected to the lower end of the ring body, and an internally hollow elastic air bag sheet arranged at the end of the expansion sheet along the shape of the expansion sheet, wherein the air bag sheets are in the shape of an inverted cone, the dilator further comprises a pinching inflation mechanism installed on the ring body and connected with the air bag sheet, and an expansion mechanism for expanding the expansion sheet, when the inflation mechanism is pinched, the expansion sheet is expanded and inflated, the air bag sheet is inflated and gradually increased in hardness, the initial air bag sheet is relatively soft, and the vagina is more comfortable when it is expanded, with the pinching of the inflation mechanism, the expansion sheet is gradually expanded, the hardness of the air bag sheet is increased, and the expansion effect is better, so that the vagina is not easy to open and is relatively soft at the beginning, the hardness is increased after the expansion, the expansion effect is ensured, and the vagina is more comfortable.

Description

Technical Field

[0001] This invention relates to the field of vaginal flexible dilation, specifically to a gradual flexible vaginal dilator. Background Technology

[0002] Vaginal speculae are commonly used instruments in gynecological examinations and cervical cancer screenings. They are used to open the vaginal walls to observe the cervix or perform related procedures. However, the pain and discomfort experienced by patients during these examinations have been confirmed by numerous studies. Furthermore, the incidence of vaginismus in the clinical population is approximately 5%–17%, and sudden dilation of the speculum can induce stress-induced contractions of the pelvic floor muscles, leading to difficulties in the examination or even its inability to be completed. Traditional metal or rigid plastic speculae provide rigid contact and rapidly open upon insertion, lacking gradual control over the dilation force. Since the normal vagina is initially in a naturally closed state, suddenly applying a large dilation force can easily trigger stress-induced contractions and pain, leading to vaginal wall damage, excessive patient tension, or even examination failure. Therefore, how to achieve a flexible and gradual dilation of the vaginal speculum to reduce patient discomfort has become an urgent problem to be solved in this field. Summary of the Invention

[0003] The purpose of this invention is to provide a gradually softening flexible vaginal speculum to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a gradually flexible vaginal dilator, comprising a ring body and a plurality of expanding plates hinged to the lower end of the ring body, wherein the expanding plates are in the shape of an inverted frustum. The ends of the expanding plates are provided with hollow elastic airbags along their own shapes, and the airbags are in the shape of an inverted cone. The device also includes a squeezing inflation mechanism mounted on the ring body and connected to the airbags, and an opening mechanism for opening the expanding plates. When the inflation mechanism is squeezed, it causes the expanding plates to expand outwards, while simultaneously increasing the hardness of the airbags through inflation. Initially, the airbags are relatively soft, making them more comfortable for a tight vagina when first opened. As the inflation mechanism squeezes, the expanding plates gradually open outwards, increasing the hardness of the airbags and improving the opening effect. This achieves the goal of initially making the vagina difficult to open and relatively soft, while increasing the hardness after opening to ensure the opening effect, better meeting the characteristics of vaginal opening and improving comfort.

[0005] Preferably, the inflation mechanism includes a shell-shaped lower handle and an upper handle corresponding to the lower handle. The lower handle is connected to the ring body, and the upper handle and the lower handle are connected by a spring. A piston-type inflation chamber is formed between the lower handle and the upper handle. A sealing ring can be provided at the lower end of the upper handle, and the inflation chamber is connected to the airbag sheet through a conduit. It also includes a locking mechanism provided between the lower handle and the upper handle. When squeezed, the upper handle is downward, and gas is injected into the airbag sheet through the conduit. As the downward pressure distance increases, the hardness also increases. This makes it relatively soft and comfortable at the beginning, and the hardness gradually increases to ensure the expansion effect in the later stage.

[0006] Preferably, the opening mechanism includes a hollow elastic expansion ring disposed between the inner sides of the upper end of the opening piece, and the conduit passes through the opening piece and is connected to the expansion ring. By squeezing, the hardness of the airbag piece is increased and the opening piece is opened at the same time. The two correspond to each other. The opening angle is large and the hardness is increased. The opening distance is small and the hardness is small, making it softer and more comfortable.

[0007] Preferably, the expansion ring has a flat elliptical cross-section and the outer wall thickness is less than the inner wall thickness to achieve accelerated expansion support on the outside, support on the inside, and expansion and opening on the outside, which is more effective.

[0008] Preferably, the arc-shaped protrusion on the inner wall of the expansion piece forms a channel connecting the expansion ring and the airbag piece. Gas flow between the conduit and the airbag piece is achieved through the expansion ring and the channel. In this way, the conduit does not need to be connected to each airbag piece separately, but only needs to be connected to the expansion ring, which is simpler. At the same time, the channel and the expansion piece are made of the same material, making the structure more compact.

[0009] Preferably, the locking mechanism includes a downward-facing spring piece located on the right side of the upper handle, with triangular outer teeth on the inner side of the spring piece. The inclined surface of the outer teeth is located on the lower side to facilitate downward sliding. The right side of the lower handle is provided with multiple layers of triangular inner teeth, with the inclined surface of the inner teeth located on the upper side to facilitate downward sliding of the outer teeth. The end of the spring piece is bent outward in an arc shape to facilitate locking. The spring piece is made of plastic and is elastic. The upper side is curved to provide elasticity. It locks in one direction when pressed down and can be unlocked by prying it outward.

[0010] Preferably, it also includes a secondary pressure mechanism for further compressing and expanding the spreading sheet to increase the spreading effect.

[0011] Preferably, the secondary pressurization mechanism includes a compression ring adapted to the ring body, with the lower end of the compression ring abutting against the expansion plate. The upper end of the compression ring is connected to the upper handle via a connecting plate. The compression ring compresses the expansion plate and expands it in all directions. Combined with the expansion of the expansion ring, the two work together to achieve a better expansion effect.

[0012] Preferably, the lower end of the extrusion ring is bent inward in an arc shape to form an extrusion part that abuts against the expansion ring. When pressed down, it can extrude the expansion piece to achieve secondary expansion, and extrude the expansion ring to achieve secondary pressure expansion. The extrusion ring not only extrudes the expansion piece to expand, but also extrudes the expansion ring to increase pressure and improve the expansion effect. At the same time, under the action of the extrusion part, the pressure can also be directly transmitted to the expansion ring through the expansion ring to increase the expansion pressure and effect.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. Initially, the airbag is soft, but as the downward pressure increases, the hardness gradually increases. This ensures both the initial insertion comfort and the subsequent stretching effect. The stretching pad opens simultaneously, and the two work together to achieve gradual stretching, avoiding the discomfort caused by stretching all at once.

[0015] 2. The expansion pad and the airbag pad move synchronously, and the expansion angle and hardness change linearly with the downward pressure distance, resulting in a more comfortable experience.

[0016] 3. The secondary pressurization mechanism applies pressure to both the spreading plate and the expansion ring simultaneously through the compression ring, further enhancing the spreading effect. It not only compresses the spreading plate but also the expansion ring, achieving pressurized expansion and dual pressurization for a more significant spreading effect. Simultaneously, the lower end of the compression ring cooperates with the expansion ring to evenly distribute pressure to the spreading plate, preventing excessive localized stress and improving the overall uniformity and stability of the spreading effect. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the first embodiment of the present invention;

[0018] Figure 2 This is a top view of the first embodiment of the present invention;

[0019] Figure 3 This is an axonometric view of the first embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the second embodiment of the present invention;

[0021] Figure 5 This is an isometric view of the second embodiment of the present invention.

[0022] In the diagram: 1. Ring body; 11. Spreading piece; 2. Airbag piece; 21. Channel; 3. Lower handle; 31. Upper handle; 32. Spring; 33. Guide tube; 34. Spring piece; 35. Outer locking tooth; 36. Inner locking tooth; 4. Expansion ring; 5. Compression ring; 51. Compression part. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Example 1

[0025] Please see Figures 1 to 3This invention provides a gradually flexible vaginal dilator technical solution: A gradually flexible vaginal dilator includes a ring body 1 and a plurality of expanding plates 11 hinged to the lower end of the ring body 1, with the expanding plates 11 forming an inverted frustum shape. The ends of the expanding plates 11 are provided with hollow elastic airbag plates 2 along their own shape, with the airbag plates 2 forming an inverted cone shape. It also includes a pinch-type inflation mechanism installed on the ring body 1 and connected to the airbag plates 2, and an opening mechanism for opening the expanding plates 11. When the inflation mechanism pinches, it drives the expanding plates 11 to expand outwards, while the airbag plates 2 are gradually inflated and their hardness increases. Initially, the airbag plates 2 are relatively soft, which is more comfortable for the vagina that is relatively tense when it is first opened. As the inflation mechanism pinches, it gradually expands outwards, and the hardness of the airbag plates 2 increases, resulting in a better opening effect. In this way, the vagina is initially difficult to open and is relatively soft. After opening, the hardness increases, ensuring the opening effect. This is more in line with the characteristics of vaginal opening and improves comfort.

[0026] The inflation mechanism includes a shell-shaped lower handle 3 on the lower side and an upper handle 31 corresponding to the lower handle 3. The lower handle 3 is connected to the ring body 1, and the upper handle 31 and the lower handle 3 are connected by a spring 32. A piston-type inflation chamber is formed between the lower handle 3 and the upper handle 31. A sealing ring can be set at the lower end of the upper handle 31, and the inflation chamber is connected to the airbag sheet 2 through a conduit 33. It also includes a locking mechanism set between the lower handle 3 and the upper handle 31. When squeezed, the upper handle 31 is downward, and gas is injected into the airbag sheet 2 through the conduit 33. As the downward pressure distance increases, the hardness also increases. This makes it relatively soft and comfortable at the beginning, and the hardness gradually increases to ensure the expansion effect in the later stage.

[0027] The opening mechanism includes a hollow elastic expansion ring 4 disposed between the inner sides of the upper end of the opening plate 11. The conduit 33 passes through the opening plate 11 and connects to the expansion ring 4. By squeezing, the hardness of the airbag plate 2 is increased and the opening plate 11 is opened simultaneously. The two correspond to each other: a larger opening angle results in increased hardness, and a smaller opening distance results in less hardness, making it softer and more comfortable. The cross-section of the expansion ring 4 is a flat ellipse, and the outer wall thickness is less than the inner wall to achieve accelerated expansion support on the outside and support on the inside, while the outer expansion opens, resulting in a better effect. The arc-shaped protrusion of the inner wall of the opening plate 11 forms a channel 21 connecting the expansion ring 4 and the airbag plate 2. Gas flow between the conduit 33 and the airbag plate 2 is achieved through the expansion ring 4 and the channel 21. In this way, the conduit 33 does not need to be connected to each airbag plate 2 separately, but only needs to be connected to the expansion ring 4, which is simpler. At the same time, the channel 21 is made of the same material as the opening plate 11, making the structure more compact.

[0028] The locking mechanism includes a downward-facing spring piece 34 located on the right side of the upper handle 31, with a triangular outer locking tooth 35 on the inner side of the spring piece 34. The inclined surface of the outer locking tooth 35 is located on the lower side to facilitate sliding down. The right side of the lower handle 3 is provided with multiple layers of triangular inner locking teeth, with the inclined surface of the inner locking teeth located on the upper side to facilitate the downward sliding of the outer locking tooth 35. The end of the spring piece 34 is bent outward in an arc shape to facilitate locking. The spring piece 34 is made of plastic and is elastic. The upper side is bent in an arc shape to provide elasticity. It locks in one direction when pressed down and can be unlocked by prying it outward.

[0029] Example 2

[0030] like Figures 4 to 5 Based on Embodiment 1, as a preferred embodiment, a secondary pressurization mechanism is further included to perform secondary compression and expansion of the spreading piece 11, thereby increasing the expansion effect. The secondary pressurization mechanism includes a compression ring 5 adapted to the ring body 1, with the lower end of the compression ring 5 abutting against the spreading piece 11. One side of the upper end of the compression ring 5 is connected to the upper handle 31 via a connecting plate. The compression ring 5 compresses the spreading piece 11, expanding it in all directions. Combined with the expansion of the expansion ring 4, the two work together to achieve a better expansion effect. The lower end of the compression ring 5 is bent inward in an arc shape to form a compression part 51 that abuts against the expansion ring 4. When pressed down, it can compress the spreading piece 11 to achieve secondary expansion and compress the expansion ring 4 to achieve secondary pressurization and expansion. The compression ring 5 not only compresses the spreading piece 11 to expand it but also compresses the expansion ring 4, increasing the pressure and improving the expansion effect. At the same time, under the action of the compression part 51, the pressure can also be directly transmitted to the expansion ring 4 through the expansion ring 4, increasing the expansion pressure and effect.

[0031] Working principle: Squeezing the lower handle 3 and the upper handle 31 inflates the airbag 2 through the conduit 33, increasing its hardness. Under the action of the expansion ring 4, the expansion piece 11 simultaneously expands outward. The compression ring 5 presses down to expand it a second time, achieving a multiple expansion effect and improving the stability and uniformity of expansion. Initially, it is relatively soft and comfortable, gradually hardening and expanding during the expansion process, achieving a progressive expansion effect and reducing patient discomfort.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gradually softening flexible vaginal dilator, comprising a ring body (1) and a plurality of spreading pieces (11) hinged to the lower end of the ring body (1), wherein the spreading pieces (11) are in the shape of an inverted frustum, characterized in that: The end of the expansion piece (11) is provided with an internally hollow elastic airbag piece (2) along its own shape, and the airbag pieces (2) are in the shape of an inverted cone. It also includes a pinch-type inflation mechanism installed on the ring body (1) and connected to the airbag piece (2) and an expansion mechanism that expands the expansion piece (11). When the inflation mechanism pinches, it drives the expansion piece (11) to expand outwards, and at the same time, it makes the airbag piece (2) gradually increase in hardness by inflating.

2. The gradually softening flexible vaginal speculum according to claim 1, characterized in that: The inflation mechanism includes a shell-shaped lower handle (3) on the lower side and an upper handle (31) corresponding to the lower handle (3). The lower handle (3) is connected to the ring body (1), and the upper handle (31) and the lower handle (3) are connected by a spring (32). A piston-type inflation chamber is formed between the lower handle (3) and the upper handle (31), and the inflation chamber is connected to the airbag sheet (2) through a conduit (33). It also includes a locking mechanism disposed between the lower handle (3) and the upper handle (31).

3. The gradually softening flexible vaginal speculum according to claim 2, characterized in that: The opening mechanism includes a hollow elastic expansion ring (4) disposed between the inner sides of the upper end of the opening piece (11), and the conduit (33) passes through the opening piece (11) and is connected to the expansion ring (4).

4. The gradually softening flexible vaginal speculum according to claim 3, characterized in that: The expansion ring (4) has a flat elliptical cross section and the outer wall thickness is less than that of the inner wall to achieve accelerated expansion support on the outside.

5. The gradually softening flexible vaginal speculum according to claim 4, characterized in that: The arc-shaped protrusion of the inner wall of the expansion piece (11) forms a channel (21) connecting the expansion ring (4) and the airbag piece (2), and the gas flow between the conduit (33) and the airbag piece (2) is realized through the expansion ring (4) and the channel (21).

6. The gradually softening flexible vaginal speculum according to claim 2, characterized in that: The locking mechanism includes a spring piece (34) located downward on the right side of the upper handle (31), and a triangular outer locking tooth (35) is provided on the inner side of the spring piece (34). The inclined surface of the outer locking tooth (35) is located on the lower side to facilitate sliding down. The right side of the lower handle (3) is provided with an inner locking tooth with multiple triangular rings, and the inclined surface of the inner locking tooth is located on the upper side to facilitate the outer locking tooth (35) sliding down. The end of the spring piece (34) is bent outward in an arc shape to facilitate locking.

7. The gradually softening flexible vaginal speculum according to claim 5, characterized in that: It also includes a secondary pressurization mechanism for further extruding and expanding the expansion piece (11).

8. The gradually softening flexible vaginal speculum according to claim 7, characterized in that: The secondary pressurization mechanism includes a compression ring (5) adapted to the ring body (1), and the lower end of the compression ring (5) abuts against the spreading plate (11). The upper end of the compression ring (5) is connected to the upper handle (31) through a connecting plate.

9. The gradually softening flexible vaginal speculum according to claim 8, characterized in that: The lower end of the extrusion ring (5) is bent inward in an arc shape to form an extrusion part (51) that abuts against the expansion ring (4). When pressed down, it can extrude the expansion piece (11) to achieve secondary expansion and extrude the expansion ring (4) to achieve secondary pressure expansion.

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