CN114145702A

CN114145702A - Vaginal dilator

Info

Publication number: CN114145702A
Application number: CN202111478145.9A
Authority: CN
Inventors: 张洋; 魏信鑫; 熊斌
Original assignee: Hangzhou Weixin Medical Technology Co ltd
Current assignee: Hangzhou Weixin Medical Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-03-08

Abstract

The invention discloses a vaginal dilator which comprises a handheld piece, a first dilating piece, a second dilating piece and two side dilating pieces, wherein the first dilating piece, the second dilating piece and the two side dilating pieces are rotatably connected to the handheld piece, the second dilating piece is connected to the first dilating piece through a first linkage mechanism, and the two side dilating pieces are respectively connected to the first dilating piece through second linkage mechanisms. This vaginal dilator's second expansion piece passes through first interlock mechanism and connects in first expansion piece, and simultaneously, two sides expand the piece and connect in first expansion piece through second interlock mechanism, when the upset of first expansion piece of drive, can drive second expansion piece and two sides and expand a synchronous upset, can accomplish the expansion operation in one step, realize the synchronous expansion of four wings, improved the convenience of use widely, can also reduce the uncomfortable sense of person under examination.

Description

Vaginal dilator

Technical Field

The invention relates to the technical field of gynecological examination instruments, in particular to a vaginal dilator.

Background

Vaginal dilator is a common medical instrument for examining gynecological diseases. Traditional duckbill formula vaginal dilator is mostly two wing structures, in order not to change under the condition that the doctor used the custom, promotes the expansion effect of expander simultaneously, has appeared improving into the expander of four wing structures with the expander of two wing structures on the market at present. The existing four-wing structure expander has no linkage structure between the upper wing and the lower wing and the left wing and the right wing, and the upper wing and the lower wing need to be opened firstly and then the left wing and the right wing need to be opened in the operation process. In other words, the four wings of the dilator cannot be expanded synchronously, so that the doctor is inconvenient in use and discomfort can be caused to the examinee.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a vaginal dilator.

The invention discloses a vaginal dilator which comprises a hand-held piece, a first dilating piece, a second dilating piece and two side dilating pieces, wherein the first dilating piece, the second dilating piece and the two side dilating pieces are rotatably connected to the hand-held piece;

wherein, the second expansion piece is connected on first expansion piece through first interlock mechanism, and two side expansion pieces are connected on first expansion piece through second interlock mechanism respectively, and the rotation of drive first expansion piece drives second expansion piece and two side expansion pieces and rotates.

According to an embodiment of the present invention, the first linkage mechanism includes a first link and a second link, one end of the first link is rotatably connected to the first expansion member, the other end of the first link is rotatably connected to one end of the second link, the other end of the second link is rotatably connected to the second expansion member, and a rotation connection point of the first link and the second link is movably disposed on the hand piece.

According to an embodiment of the present invention, the hand piece is provided with a first linkage position, the rotation connection point of the first link member and the second link member is movably disposed in the first linkage position, and the rotation connection point of the first link member and the second link member moves along the first linkage position.

According to an embodiment of the present invention, the second linkage mechanism includes a first pulling rod and a second pulling rod, one end of the first pulling rod is rotatably connected to the side expanding member on the same side, the other end of the first pulling rod is rotatably connected to one end of the second pulling rod, the first expanding transmission portion of the first expanding member is movably disposed on the other end of the second pulling rod, and the second pulling rod is movably disposed on the hand-held member.

According to an embodiment of the present invention, the handle is provided with a guide groove, the second pull rod is provided with a guide bar, the guide bar is movably disposed in the guide groove, and the guide bar moves along the guide groove.

According to an embodiment of the invention, the handheld device further comprises a locking mechanism, the locking mechanism comprises a locking part and a locking position, one end of the locking part is arranged on the handheld device, the other end of the locking part is suspended and penetrates through the locking position, the locking position is arranged on the first expansion piece, and the locking part is detachably connected with the locking position.

According to one embodiment of the invention, the locking part is provided with locking teeth, the locking position is provided with locking teeth, and the locking teeth are clamped with the locking teeth.

According to an embodiment of the present invention, the locking portion is disposed along the eversion path of the first expansion element, the number of the locking teeth is plural, and the plural locking teeth are arranged along the locking portion.

According to an embodiment of the invention, the handheld part comprises a mounting cavity, a visual module and a visual mechanism, wherein the visual mechanism is detachably arranged in the mounting cavity of the handheld part, and the visual module of the visual mechanism is opposite to the visual area of the handheld part.

According to one embodiment of the invention, the hand piece comprises a hand-held part and two mounting parts, the two mounting parts are symmetrically arranged on the hand-held part, the first expansion piece and the second expansion piece are rotatably connected to the two mounting parts, and the two side expansion pieces are in one-to-one correspondence with the two mounting parts and are rotatably connected with the two mounting parts.

Compared with the prior art, the vaginal dilator has the following advantages:

according to the vaginal dilator, the second dilator is connected to the first dilator through the first linkage mechanism, meanwhile, the two side dilators are connected to the first dilator through the second linkage mechanism, when the first dilator is driven to turn over, the second dilator and the two side dilators can be driven to turn over synchronously, the dilation operation can be completed in one step, the four-wing synchronous dilation is realized, the use convenience is greatly improved, and the discomfort of a person to be examined can be reduced.

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 structural diagram of the vaginal dilator in the closed state in the embodiment;

FIG. 2 is a structural section view of the vaginal dilator in the closed state in the embodiment;

FIG. 3 is a first schematic structural diagram of the vaginal dilator in an open state in the embodiment;

FIG. 4 is a second schematic structural view of the vaginal dilator in the embodiment in an open state;

FIG. 5 is a schematic structural view of a hand piece in an embodiment;

FIG. 6 is a schematic structural view of a first expansion element according to an embodiment;

FIG. 7 is a schematic view showing the installation of the first interlocking mechanism in the embodiment;

FIG. 8 is a schematic structural view of a second tie bar member according to an embodiment;

FIG. 9 is an enlarged view of area A of FIG. 2;

fig. 10 is an enlarged view of region B in fig. 4.

Description of reference numerals:

1. a handpiece; 11. a hand-held portion; 111. a handheld section; 112. a visible segment; 1121. a visible area; 113. a mounting cavity; 114. a supporting strip; 12. an installation part; 121. a first linkage stroke position; 122. a rotating shaft; 123. a guide groove; 13. limiting the position; 2. a first expansion member; 21. a first expanding portion; 22. a first expansion joint; 23. a first expansion driving section; 24. a first expansion transmission part; 3. a second expansion element; 31. a second expanded portion; 32. a second expansion joint; 4. a side expanding piece; 41. a side expanding part; 42. a side expanding connecting part; 5. a first linkage mechanism; 51. a first link member; 52. a second link member; 6. a second linkage mechanism; 61. a first pull rod member; 62. a second pull rod member; 621. a guide strip; 622. a second linkage travel position; 7. a locking mechanism; 71. a lock section; 711. a locking tooth; 712. a lock drive unit; 72. locking positions; 721. locking teeth; 8. a visualization mechanism.

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, some conventional structures and components are shown in simplified schematic form in the drawings.

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 an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of 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.

As used herein, the term "substantially closed" and grammatical related terms refer to the relative structural arrangement of two objects: one of the objects is positioned perfectly closed to the other object or one of the objects is positioned in such a way that it is immediately recognizable as closed to the other object although not perfectly closed to the other object. A relative structural arrangement between two objects that is not perfectly closed but immediately recognizable as closed due to acceptable tolerances suitable for manufacturing a device of the type described herein is considered to be positioned substantially closed.

As used herein, the term "substantially circular" and grammatically related terms refer to a perfect circle or a shape that, although not a perfect circle, can be immediately recognized as a circle. A cross-sectional shape that is not perfectly circular but immediately recognizable as circular due to acceptable tolerances suitable for manufacturing devices of the type described herein is considered substantially circular.

Referring to fig. 1-10, a vaginal dilator comprises a hand piece 1, a first dilator 2, a second dilator 3 and two side dilators 4, wherein the first dilator 2, the second dilator 3 and the two side dilators 4 are all rotationally connected to the hand piece 1, and the first dilator 2 is driven to rotate to drive the second dilator 3 and the two side dilators 4 to rotate. The expansion operation can be completed in one step, the synchronous expansion of the four wings is realized, the use convenience is greatly improved, and the discomfort of the inspected person can be reduced.

Referring to fig. 5, the hand piece 1 includes a hand portion 11 and two installation portions 12, the two installation portions 12 are symmetrically arranged on the hand portion 11, the first expansion piece 2 and the second expansion piece 3 are rotatably connected to the two installation portions 12, the two side expansion pieces 4 are in one-to-one correspondence with the two installation portions 12, and the side expansion pieces 4 are rotatably connected to the corresponding installation portions 12.

Further, the hand-held portion 11 includes a hand-held section 111 and a visible section 112, two mounting portions 12 are connected to the hand-held section 111, and the two mounting portions 12 are located on both sides of the visible section 112. Wherein, a visual region 1121 is arranged on one end of the visual section 112 away from the handheld section 111, and the visual region 1121 faces the opening channel so as to observe the vagina.

Further, the handheld portion 11 is further provided with a mounting cavity 113 for placing the visual mechanism 8, and the mounting cavity 113 is penetrated by the handheld section 111 and the visual section 112. The visual mechanism 8 is detachably disposed in the mounting cavity 113, a visual module of the visual mechanism 8 is opposite to the visual region 1121, and the visual mechanism 8 observes the vagina through the visual region 1121.

Referring to fig. 6, the first expansion part 2 includes a first expansion portion 21, a first expansion connecting portion 22 and a first expansion driving portion 23, the number of the first expansion connecting portions 22 is two, the two first expansion connecting portions 22 connect the first expansion portion 21 and the first expansion driving portion 23, the two first expansion connecting portions 22 are hinged to the two mounting portions 12 one by one, and the first expansion driving portion 23 is pressed to drive the first expansion portion 21 to rotate. In addition, the first expansion element 2 comprises two first expansion gear 24, the two first expansion gear 24 being connected to the first expansion drive 23 for driving the lateral expansion element 4.

Second expansion piece 3 is upper and lower setting with first expansion piece 2, and second expansion piece 3 is connected on first expansion piece 2 through first link gear 5, and the rotation of the first expansion piece 2 of drive can drive the synchronous rotation of second expansion piece 3. Specifically, the second expansion piece 3 includes a second expansion portion 31 and two second expansion connecting portions 32, the two second expansion connecting portions 32 are symmetrically disposed on the second expansion portion 31, the two second expansion connecting portions 32 are hinged to the two mounting portions 12 one by one, and at least one second expansion connecting portion 32 is connected to the adjacent first expansion connecting portion 22 through the first linkage mechanism 5. Preferably, the number of the first linkage mechanisms 5 is two, and the two first linkage mechanisms 5 are symmetrically arranged, and the two second expansion connecting portions 32 are connected to the two first expansion connecting portions 22 through the two first linkage mechanisms 5. The second expansion connecting part 32 is connected to the first expansion connecting part 22 on the same side through the first interlocking mechanism 5, so that the interlocking stability of the first expansion piece 2 and the second expansion piece 3 is improved.

Further, referring to fig. 7, the first linkage mechanism 5 includes a first link member 51 and a second link member 52, one end of the first link member 51 is hinged to the first expansion joint 22, the other end of the first link member 51 is hinged to one end of the second link member 52, the other end of the second link member 52 is hinged to the second expansion joint 32, and a rotation joint point of the first link member 51 and the second link member 52 is movably disposed on the mounting portion 12.

Furthermore, the mounting portion 12 is provided with a first linkage stroke position 121, the rotation connection point of the first link member 51 and the second link member 52 is movably disposed in the first linkage stroke position 121, and the rotation connection point of the first link member 51 and the second link member 52 moves along the first linkage stroke position 121. In this embodiment, the first linkage stroke position 121 is a kidney-shaped hole.

The two side expanders 4 are arranged in the left and right directions and are located between the first expansion part 21 and the second expansion part 31. The side expanding piece 4 is connected to the first expanding piece 2 through the second linkage mechanism 6 respectively, and the first expanding piece 2 is driven to rotate so as to drive the side expanding piece 4 to rotate synchronously. Specifically, the side expanding piece 4 comprises a side expanding part 41 and a side expanding connecting part 42, the side expanding connecting part 42 is connected to the side expanding part 41, and the side expanding connecting part 42 is hinged on the mounting part 12 on the same side, wherein the mounting part 12 is respectively provided with a rotating shaft 122, and the side expanding connecting part 42 is rotatably sleeved with the rotating shaft 122 on the same side. Meanwhile, the side expansion joint part 42 is connected to the first expansion joint part 22 on the same side via the second linkage mechanism 6.

Further, the second linkage mechanism 6 includes a first pulling rod 61 and a second pulling rod 62, one end of the first pulling rod 61 is rotatably sleeved with the lateral expansion connecting portion 42 on the same side, the other end of the first pulling rod 61 is rotatably connected with one end of the second pulling rod 62, the first expansion is movably disposed on the other end of the second pulling rod 62, and the second pulling rod 62 is movably disposed on the hand-held member 1.

Further, the mounting portion 12 is provided with a guide groove 123, the second pull rod 62 is provided with a guide bar 621, the guide bar 621 is movably disposed in the guide groove 123, and the guide bar 621 moves along the guide groove 123 to guide the moving direction of the second pull rod 62.

Further, the holding portions 11 are respectively provided with supporting bars 124 facing the mounting portions 12, and the supporting bars 124 are used for supporting the second pull rod members 62.

Further, a second linkage stroke position 622 is disposed on an end of the second pull rod element 62 away from the first pull rod element 61, the first expansion transmission part 24 is movably connected with the second linkage stroke position 622, and the first expansion element 2 drives the second pull rod element 62 to move through the cooperation of the first expansion transmission part 24 and the second linkage stroke position 622.

Preferably, a limit 13 is disposed between the mounting portion 12 and the visible section 112, one end of the second pull rod 62 close to the first pull rod 61 is movably disposed in the limit 13, and one end of the second pull rod 62 far from the first pull rod 61 cannot pass through the limit 13, so as to limit the moving stroke of the second pull rod 62 and limit the moving direction of the second pull rod 62.

In the specific application: the visual mechanism 8 is installed in the installation cavity 113, the handheld section 111 of the handheld portion 11 is handheld and presses the first expansion driving portion 23, the first expansion connecting portion 21 is driven to rotate upwards through the transmission of the first expansion connecting portion 22, the first expansion connecting portion 22 drives the first connecting rod piece 51 and the second connecting rod piece 52 to move, and then the second expansion connecting portion 32 is driven to rotate downwards, namely the second expansion portion 31 is driven to rotate downwards; meanwhile, when the first expansion driving portion 23 is pressed, the first expansion driving portion 24 is driven to move, so as to drive the first pull rod 61 and the second pull rod 62 to move, and further drive the side expansion connecting portion 42 to rotate outwards, i.e. drive the side expansion portion 41 to rotate outwards. At the moment, the dilator is in an open state, an open channel is formed among the first dilator element 2, the second dilator element 3 and the two side dilator elements 4, and the vagina can be observed by the visual mechanism 8 through the open channel. Conversely, the dilator can be closed by releasing the first dilation driver 23.

In addition, the vaginal dilator further comprises a locking mechanism 7, and the locking mechanism 7 relatively fixes the position of the first dilator element 2, and further relatively fixes the positions of the second dilator element 3 and the two side dilator elements 4.

The locking structure includes locking portion 71 and locking position 72, and on handheld piece 1 was located to the one end of locking portion 71, locking position 72 was unsettled and worn to locate to the other end of locking portion 71, and on first expansion piece 2 was located to locking position 72, locking portion 71 and locking position 72 can be dismantled and be connected.

Furthermore, the locking part 71 is provided with a locking tooth 711, the locking position 72 is provided with a locking tooth 721, and the locking tooth 711 is engaged with the locking tooth 721 to relatively fix the first expansion part 2. The locking part 71 is arranged along the turning path of the first expander 2, the number of the locking teeth 711 is multiple, and the locking teeth 711 are arranged along the locking part 71, so that the fixation of multiple opening angles of the expander is realized.

Furthermore, a locking driving portion 712 is disposed at a suspended end of the locking portion 71, and pushing the locking driving portion 712 can bend the locking portion 71 by a certain angle, so that the locking teeth 711 are separated from the locking teeth 721, and the first extender 2 is in an active state.

In conclusion, the second expansion piece of the vaginal dilator is connected to the first expansion piece through the first linkage mechanism, meanwhile, the two side expansion pieces are connected to the first expansion piece through the second linkage mechanism, when the first expansion piece is driven to turn over, the second expansion piece and the two side expansion pieces can be driven to turn over synchronously, so that the expansion operation can be completed in one step, the four-wing synchronous expansion is realized, the use convenience is greatly improved, and the discomfort of an inspected person can be reduced.

The above description is only 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

1. A vaginal dilator is characterized by comprising a hand-held piece (1), a first dilator (2), a second dilator (3) and two side dilators (4), wherein the first dilator (2), the second dilator (3) and the two side dilators (4) are all rotatably connected to the hand-held piece (1);

the second expansion piece (3) is connected to the first expansion piece (2) through a first linkage mechanism (5), the two side expansion pieces (4) are connected to the first expansion piece (2) through second linkage mechanisms (6) respectively, and the first expansion piece (2) is driven to rotate to drive the second expansion piece (3) and the two side expansion pieces (4) to rotate.

2. A vaginal dilator according to claim 1, characterised in that said first linkage mechanism (5) comprises a first link member (51) and a second link member (52), one end of said first link member (51) is rotatably connected to said first dilator member (2), the other end of said first link member (51) is rotatably connected to one end of said second link member (52), the other end of said second link member (52) is rotatably connected to said second dilator member (3), and the rotational connection point of said first link member (51) and said second link member (52) is movably arranged on said hand piece (1).

3. A vaginal dilator according to claim 2, characterised in that a first linkage travel position (121) is provided on the handpiece (1), the rotational connection point of the first link member (51) and the second link member (52) is movably arranged in the first linkage travel position (121), and the rotational connection point of the first link member (51) and the second link member (52) moves along the first linkage travel position (121).

4. The vaginal dilator according to claim 1, wherein the second linkage mechanism (6) comprises a first pulling rod element (61) and a second pulling rod element (62), one end of the first pulling rod element (61) is rotatably connected to the lateral dilator element (4) on the same side, the other end of the first pulling rod element (61) is rotatably connected to one end of the second pulling rod element (62), the first dilating transmission part (24) of the first dilating element (2) is movably arranged on the other end of the second pulling rod element (62), and the second pulling rod element (62) is movably arranged on the hand piece (1).

5. A vaginal dilator according to claim 4, characterised in that a guide groove (123) is provided on the hand piece (1), a guide strip (621) is provided on the second pull rod element (62), the guide strip (621) is movably arranged in the guide groove (123), and the guide strip (621) moves along the guide groove (123).

6. A vaginal dilator according to claim 1, further comprising a locking mechanism (7), wherein the locking mechanism comprises a locking portion (71) and a locking position (72), one end of the locking portion (71) is arranged on the hand piece (1), the other end of the locking portion (71) is suspended and passes through the locking position (72), the locking position (72) is arranged on the first dilator (2), and the locking portion (71) is detachably connected with the locking position (72).

7. The vaginal dilator according to claim 6, characterized in that the locking portion (71) is provided with locking teeth (711), the locking portion (72) is provided with locking teeth (721), and the locking teeth (711) are engaged with the locking teeth (721).

8. A vaginal dilator, according to claim 7, characterised in that said locking portion (71) is arranged along the overturning path of said first dilator element (2), said locking teeth (711) being in a plurality, a plurality of said locking teeth (711) being arranged in a row along said locking portion (71).

9. A vaginal dilator according to claim 1, characterised by further comprising a visualization mechanism (8), said visualization mechanism (8) being removably arranged in a mounting cavity (113) of said handle (11), a visualization module of said visualization mechanism (8) being opposite to a visualization zone (1121) of said handle (11).

10. A vaginal dilator according to claim 1, characterised in that said hand piece (1) comprises a hand portion (11) and two mounting portions (12), two said mounting portions (12) being symmetrically arranged on said hand portion (11), said first dilator (2) and said second dilator (3) being rotatably connected to said two mounting portions (12), two said side dilators (4) being in one-to-one correspondence with and rotatably connected to said two mounting portions (12).