CN115813328A - Expanding structure of vaginal dilator - Google Patents
Expanding structure of vaginal dilator Download PDFInfo
- Publication number
- CN115813328A CN115813328A CN202211356657.2A CN202211356657A CN115813328A CN 115813328 A CN115813328 A CN 115813328A CN 202211356657 A CN202211356657 A CN 202211356657A CN 115813328 A CN115813328 A CN 115813328A
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- projection
- rotating shaft
- rotation axis
- expansion
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- 230000010339 dilation Effects 0.000 claims description 5
- 238000003745 diagnosis Methods 0.000 abstract description 7
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000000916 dilatatory effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
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Abstract
The invention discloses an expanding structure of a vaginal dilator, which comprises: a main body; the upper expansion piece is rotatably connected with the main body, and a rotating shaft of the upper expansion piece on the main body is a first rotating shaft; the side expansion piece is rotatably connected with the main body and comprises a left expansion piece and a right expansion piece, the rotating shaft of the left expansion piece on the main body is a second rotating shaft, and the rotating shaft of the right expansion piece on the main body is a third rotating shaft; the second rotating shaft is not parallel to and does not intersect with the first rotating shaft, the third rotating shaft is not parallel to and does not intersect with the first rotating shaft, and the second rotating shaft intersects with the third rotating shaft. The utility model provides a can each other not interfere between each expansion assembly, expand bigger space to can provide bigger field of vision for the doctor, greatly improve the diagnosis and the treatment efficiency of gynaecology's disease.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an expansion structure of a vaginal dilator.
Background
The vaginal dilator is a common medical instrument for gynecological disease examination, and is used for dilating the vagina to a certain space so as to facilitate doctors to observe and diagnose affected parts.
Most of the existing vaginal dilators are of a two-wing structure, and the existing vaginal dilators can not dilate in multiple directions when in use, and the dilated space is narrow and the visual field is poor, so that the diagnosis and treatment efficiency of diseases are affected; however, some multi-wing vaginal dilators are not mature enough in technology and unreasonable in structural design, and the multiple dilating wings are easy to interfere with each other and cannot be matched with each other well when in use, so that the dilating angle and the expanded space range are limited, and the diagnosis and treatment efficiency of diseases are greatly influenced.
In view of the above, there is a need for an improved dilation structure for a vaginal dilator.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an expanding structure of a vaginal dilator.
The invention discloses an expanding structure of a vaginal dilator, which comprises: a main body; the upper expansion piece is rotatably connected with the main body, and a rotating shaft of the upper expansion piece on the main body is a first rotating shaft; the side expansion piece is rotatably connected with the main body and comprises a left expansion piece and a right expansion piece, the rotating shaft of the left expansion piece on the main body is a second rotating shaft, and the rotating shaft of the right expansion piece on the main body is a third rotating shaft; the second rotating shaft is not parallel to and does not intersect with the first rotating shaft, the third rotating shaft is not parallel to and does not intersect with the first rotating shaft, and the second rotating shaft intersects with the third rotating shaft.
Preferably, the plane where the second rotating shaft and the third rotating shaft are located is a side reference plane, and the first rotating shaft is parallel to the side reference plane.
Preferably, the left expansion piece and the right expansion piece are mirror images of each other, and an angular bisector of the second rotation axis and the third rotation axis is perpendicular to the first rotation axis.
Preferably, a projection of the first rotating axis on the side reference surface is a first projection line, a projection of the main body on the side reference surface is a main projection, the first projection line passes through the main projection, and divides the main projection into a first projection and a second projection, and an area of the first projection is larger than an area of the second projection; an intersection point of the second rotation axis and the third rotation axis on the side reference surface is on a side of the second projection with respect to the first projection line.
Preferably, a distance d1 between the first rotation axis and the side reference plane is 3.0mm.
Preferably, the main body comprises a gripping portion and a lower spreading wing, the distance d2 between the most distal end of the lower spreading wing facing away from the side reference plane and the side reference plane being between 90mm and 128.6 mm.
Preferably, the distance d2 between the most distal end of the lower expansion wing facing away from the side reference plane and the side reference plane is 108.6mm.
Preferably, an angle bisector of the second rotation axis and the third rotation axis perpendicular to the first rotation axis is a principal angle bisector, an angle α between the second rotation axis and the principal angle bisector is in a range of 33.0 ° to 53.0 °, and an angle β between the third rotation axis and the principal angle bisector is in a range of 33.0 ° to 53.0 °.
Preferably, the angle α between the second axis of rotation and the principal angle bisector is 43.0 °.
Preferably, the angle β between the third axis of rotation and the principal angle bisector is 43.0 °.
The beneficial effect of this application lies in:
the second rotating shaft and the third rotating shaft of the two side expansion pieces are intersected and are not parallel to and intersected with the first rotating shaft, so that a certain included angle can be formed between the two side expansion pieces and the lower expansion wing of the main body after the two side expansion pieces are opened, and a conical expansion space can be formed between the two side expansion pieces and the lower expansion wing, so that the expansion space is larger, and a doctor can obtain a larger view field during diagnosis and treatment;
in addition, because the first axis of rotation of going up the extension piece is on a parallel with the side reference surface that second axis of rotation and third axis of rotation formed, and the second axis of rotation is in one side of second projection with the intersection point of third axis of rotation on side reference surface for first projection line, consequently, the extension structure is when using, go up the extension piece and can not mutually interfere between the extension piece, form a class rectangular pyramid structure, bigger expansion space, provide bigger field of vision for the doctor, greatly improved the diagnosis and the treatment efficiency of gynaecology's disease.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the position relationship of the first rotating shaft, the second rotating shaft and the third rotating shaft;
FIG. 3 is a schematic view of the positional relationship between the first rotational axis and the side reference plane;
FIG. 4 is a diagram of a main projection divided into a first projection and a second projection by a first projection line;
FIG. 5 is an exploded view of the body, the plug block, the side expansion members and the connector;
fig. 6 is a partial structural diagram of a portion a in fig. 5.
Description of reference numerals: 1. a main body; 10. main projection; 10a, a first projection; 10b, a second projection; 100. inserting positions; 11. a grip portion; 111. rotating the column; 12. a lower expansion wing; 13. a limiting plate; 131. a guide projection; 14. an insertion block; 141. mounting holes; 142. a guide groove; 143. a limiting notch; 15. a limiting bump; 2. an upper expansion member; 20. a first rotating shaft; 201. a first projection line; 21. connecting holes; 3. a lateral expansion element; 3a, a left expansion piece; 3a1, a second rotating shaft; 3b, a right expansion piece; 3b1, a third rotating shaft; 31. a mating hole; 4. a connecting member; 5. a side reference plane; 6. the principal angular bisector.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, for the purpose of simplifying the drawings, certain well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.
It should be noted that all the directional indicators in the embodiment of the present invention, such as upper, lower, left, right, front, and rear … …, are only used to explain the relative position relationship, movement, etc. between the components in a specific posture as shown in the drawing, and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to order or sequence, and do not limit the present invention, but only distinguish the elements or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
referring to fig. 1, 2 and 5, an expanding structure of a vaginal dilator disclosed in an embodiment of the present invention includes a main body 1, an upper expanding member 2 and a side expanding member 3, where the upper expanding member 2 and the side expanding member 3 are both rotatably connected to the main body 1, a rotation axis of the upper expanding member 2 on the main body 1 is a first rotation axis 20, the side expanding member 3 includes a left expanding member 3a and a right expanding member 3b, the left expanding member 3a and the right expanding member 3b are mirror images of each other, a rotation axis of the left expanding member 3a on the main body 1 is a second rotation axis 3a1, and a rotation axis of the right expanding member 3b on the main body 1 is a third rotation axis 3b1.
Referring to fig. 1, 2 and 5, the main body 1 includes a holding portion 11 and a lower expansion wing 12, the holding portion 11 is a shell-shaped structure with a cavity, the holding portion 11 is overall long, the lower expansion wing 12 is an arc-shaped sheet structure, the lower expansion wing 12 is long, the lower expansion wing 12 is integrally connected to one end of the holding portion 11, the holding portion 11 is provided with a rotation column 111 on two outer side walls near the lower expansion wing 12, the rotation column 111 is a cylindrical structure and is integrally connected with the holding portion 11, the rotation axes of the two rotation columns 111 are located on the same straight line, and the axis of the rotation column 111 coincides with the first rotation axis 20; go up expansion piece 2 and be shell-shaped structure, go up expansion piece 2 and last seted up connecting hole 21, connecting hole 21 is circular shape through-hole, the diameter of connecting hole 21 is the same with the diameter that rotates post 111, connecting hole 21 is provided with two, the central line of two connecting holes 21 is located same straight line, and two connecting holes 21 are located the both sides of expansion piece 2, two rotate post 111 and rotate respectively and connect in two connecting holes 21 for go up expansion piece 2 and can take place to rotate relative main part 1.
Referring to fig. 5 and 6, the holding portion 11 is provided with two insertion positions 100, and the two insertion positions 100 are respectively arranged on two sides of the inner cavity of the holding portion 11; each insertion position 100 comprises two limiting plates 13, the limiting plates 13 and the holding part 11 are integrally arranged, the two limiting plates 13 at each insertion position 100 are parallel to each other, a gap is formed between the two limiting plates 13, and the insertion position 100 is formed between the two limiting plates 13 which are parallel to each other; each limiting plate 13 is provided with a plurality of guiding protrusions 131, each guiding protrusion 131 is in a long strip shape, each guiding protrusion 131 is located in each inserting position 100, each inserting block 14 is installed in each inserting position 100, each inserting block 14 is provided with a guiding groove 142 matched with the shape of the corresponding guiding protrusion 131, the number of the guiding grooves 142 is the same as that of the corresponding guiding protrusions 131 and corresponds to that of the corresponding guiding protrusions 131, each inserting block 14 is inserted into the corresponding inserting position 100, and each guiding protrusion 131 is inserted into one guiding groove 142, so that the inserting blocks 14 are firmly connected into the corresponding inserting positions 100.
Referring to fig. 5 and 6, the insertion block 14 is provided with a limiting notch 143, the holding portion 11 is provided with a limiting protrusion 15 corresponding to the limiting notch 143 at each insertion position 100, and the limiting protrusion 15 is clamped in the limiting notch 143, so that the insertion block 14 can be stably connected with the insertion position 100; the insertion block 14 is provided with mounting holes 141, the mounting holes 141 are threaded holes, each mounting hole 141 is provided with a connecting element 4, in this embodiment, the connecting element 4 is a screw, and the connecting element 4 is screwed into the mounting hole 141.
Referring to fig. 5 and 6, the two side expansion pieces 3 are both long strip structures, the side expansion piece 3 is provided with a matching hole 31, the matching hole 31 is a round hole, the center line of each matching hole 31 corresponds to the center line of one mounting hole 141, one of the connecting pieces 4 passes through the matching hole 31 of the left expansion piece 3a, the other connecting piece 4 passes through the matching hole 31 of the right expansion piece 3b, and the matching holes 31 and the connecting pieces 4 are in clearance fit, so that the two side expansion pieces 3 can rotate relative to the main body 1.
Referring to fig. 2 and 3, the following spatial positional relationships exist for first rotating shaft 20, second rotating shaft 3a1, and third rotating shaft 3b 1: first axis of rotation 20 and second axis of rotation 3a1 are not parallel and do not intersect, first axis of rotation 20 and third axis of rotation 3b1 are not parallel and do not intersect, second axis of rotation 3a1 and third axis of rotation 3b1 are intersected to second axis of rotation 3a1 and third axis of rotation 3b1 have a common plane of place, the common plane of place of second axis of rotation 3a1 and third axis of rotation 3b1 is side reference surface 5, foretell first axis of rotation 20 is on a parallel with side reference surface 5.
Referring to fig. 2 to 4, one of the bisectors of the second rotating shaft 3a1 and the third rotating shaft 3b1 is perpendicular to the first rotating shaft 20, the bisector is a main bisector 6, the other bisector is parallel to the first rotating shaft 20, the projection of the first rotating shaft 20 on the side reference surface 5 is a first projection line 201, the projection of the main body 1 on the side reference surface 5 is a main projection 10, the main projection 10 is a closed region, the first projection line 201 passes through the main projection 10 and divides the main projection 10 into a first projection 10a and a second projection 10b, wherein the area of the first projection 10a is larger than that of the second projection 10b, and the intersection point of the second rotating shaft 3a1 and the third rotating shaft 3b1 on the side reference surface 5 is on the side of the second projection 10b with respect to the first projection line 201.
Referring to fig. 2 and 3, more specifically, in the present embodiment, the distance d1 between the first rotation axis 20 and the side reference surface 5 is 3.0mm, and the distance d2 between the farthest end of the lower expansion wing 12 from the side reference surface 5 and the side reference surface 5 is between 90mm and 128.6mm, preferably d2 is taken to be 108.6mm; the angle α between the second axis of rotation 3a1 and the principal angle bisector 6 is in the range 33.0 ° to 53.0 °, preferably α is taken to be 43 °; the angle β between the third axis of rotation 3b1 and the principal angle bisector 6 ranges between 33.0 ° and 53.0 °, preferably β takes 43 °.
The implementation principle and the beneficial effects of the invention are that because the second rotating shaft 3a1 and the third rotating shaft 3b1 of the two side expansion pieces 3 are intersected and are not parallel to and intersected with the first rotating shaft 20, a certain included angle can be formed between the two side expansion pieces 3 and the lower expansion wing 12 of the main body 1 after the two side expansion pieces 3 are opened, and a conical expansion space can be formed between the two side expansion pieces 3 and the lower expansion wing 12, so that the expanded space is larger, and a doctor can obtain a larger visual field during diagnosis and treatment;
in addition, because the first rotating shaft 20 of the upper expansion piece 2 is parallel to the side reference surface 5 formed by the second rotating shaft 3a1 and the third rotating shaft 3b1, and the intersection point of the second rotating shaft 3a1 and the third rotating shaft 3b1 on the side reference surface 5 is positioned on one side of the second projection 10b relative to the first projection line 201, when the expansion structure is used, the upper expansion piece 2 and the side expansion piece 3 can not interfere with each other, a larger expansion space similar to a rectangular pyramid structure is formed, a larger visual field is provided for doctors, and the diagnosis and treatment efficiency of gynecological diseases is greatly improved.
The above is merely an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (13)
1. An expanding structure of a vaginal dilator, comprising:
a main body (1);
the upper expansion piece (2), the upper expansion piece (2) is rotatably connected with the main body (1), and the rotating shaft of the upper expansion piece (2) on the main body (1) is a first rotating shaft (20);
a side expansion piece (3), wherein the side expansion piece (3) is rotatably connected with the main body (1), the side expansion piece (3) comprises a left expansion piece (3 a) and a right expansion piece (3 b), the rotating shaft of the left expansion piece (3 a) on the main body (1) is a second rotating shaft (3 a 1), and the rotating shaft of the right expansion piece (3 b) on the main body (1) is a third rotating shaft (3 b 1);
the second rotation axis (3 a 1) is not parallel to and does not intersect with the first rotation axis (20), the third rotation axis (3 b 1) is not parallel to and does not intersect with the first rotation axis (20), and the second rotation axis (3 a 1) intersects with the third rotation axis (3 b 1).
2. An expansion structure of a vaginal dilator according to claim 1, characterised in that the planes of the second rotation axis (3 a 1) and the third rotation axis (3 b 1) are lateral reference planes (5), the first rotation axis (20) being parallel to the lateral reference planes (5).
3. An expansion structure of a vaginal dilator according to claim 1, characterised in that said left (3 a) and right (3 b) expansion elements are mirror images of each other, and one bisector of the second (3 a 1) and third (3 b 1) axes of rotation is perpendicular to said first axis of rotation (20).
4. An expansion structure of a vaginal dilator according to claim 2, characterised in that the projection of said first rotation axis (20) on said lateral reference surface (5) is a first projection line (201), the projection of said main body (1) on said lateral reference surface (5) is a main projection (10), said first projection line (201) passes through said main projection (10) and divides said main projection (10) into a first projection (10 a) and a second projection (10 b), the area of said first projection (10 a) is greater than the area of said second projection (10 b);
the intersection of the second rotational axis (3 a 1) and the third rotational axis (3 b 1) on the side reference plane (5) is on the side of the second projection (10 b) with respect to the first projection line (201).
5. An expansion structure of a vaginal dilator according to claim 2, characterised in that the distance d1 between the first rotation axis (20) and the side reference plane (5) is 3.0mm.
6. An expansion structure of a vaginal dilator according to claim 2, characterised in that said left (3 a) and right (3 b) expansion elements are mirror images of each other, and one bisector of the second (3 a 1) and third (3 b 1) axes of rotation is perpendicular to said first axis of rotation (20).
7. An expansion structure of a vaginal dilator according to claim 6, characterised in that the projection of said first rotation axis (20) on said lateral reference surface (5) is a first projection line (201), the projection of said main body (1) on said lateral reference surface (5) is a main projection (10), said first projection line (201) passes through said main projection (10) and divides said main projection (10) into a first projection (10 a) and a second projection (10 b), the area of said first projection (10 a) is greater than the area of said second projection (10 b);
the intersection of the second rotational axis (3 a 1) and the third rotational axis (3 b 1) on the side reference plane (5) is located on the side of the second projection (10 b) with respect to the first projection line (201).
8. A dilation structure for a vaginal dilator according to any one of claims 2 to 7, characterised in that the main body (1) comprises a grip portion (11) and a lower dilation wing (12), the distance d2 between the most distal end of the lower dilation wing (12) facing away from the lateral reference surface (5) and the lateral reference surface (5) being between 90mm and 128.6 mm.
9. An expansion structure of a vaginal dilator, according to claim 8, characterised in that the distance d2 between the most distal end of the lower expansion wings (12) facing away from the lateral reference surfaces (5) and the lateral reference surfaces (5) is 108.6mm.
10. A dilation structure for a vaginal dilator according to claim 3, 6 or 7, characterised in that the bisector of the angle between the second rotation axis (3 a 1) and the third rotation axis (3 b 1) perpendicular to the first rotation axis (20) is the main bisector (6), the angle α between the second rotation axis (3 a 1) and the main bisector (6) ranges between 33.0 ° and 53.0 °, and the angle β between the third rotation axis (3 b 1) and the main bisector (6) ranges between 33.0 ° and 53.0 °.
11. An expansion structure of a vaginal dilator according to claim 10, characterised in that the angle a between the second rotation axis (3 a 1) and the principal angular bisector (6) is 43.0 °.
12. An expansion structure of a vaginal dilator according to claim 10, characterised in that the angle β between the third rotation axis (3 b 1) and the principal angular bisector (6) is 43.0 °.
13. An expansion structure of a vaginal dilator, according to claim 11, characterised in that the angle β between said third rotation axis (3 b 1) and said main angular bisector (6) is 43.0 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211356657.2A CN115813328B (en) | 2022-11-01 | 2022-11-01 | Expansion structure of vaginal dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211356657.2A CN115813328B (en) | 2022-11-01 | 2022-11-01 | Expansion structure of vaginal dilator |
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| Publication Number | Publication Date |
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| CN115813328A true CN115813328A (en) | 2023-03-21 |
| CN115813328B CN115813328B (en) | 2024-07-09 |
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| CN202211356657.2A Active CN115813328B (en) | 2022-11-01 | 2022-11-01 | Expansion structure of vaginal dilator |
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| Publication number | Publication date |
|---|---|
| CN115813328B (en) | 2024-07-09 |
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