CN113100700B

CN113100700B - Locking device for vaginal dilator

Info

Publication number: CN113100700B
Application number: CN202110563509.7A
Authority: CN
Inventors: 张洋; 魏信鑫
Original assignee: Suzhou Sangtian Medical Technology Co ltd
Current assignee: Suzhou Sangtian Medical Technology Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2022-10-04
Anticipated expiration: 2041-05-24
Also published as: CN113100700A

Abstract

The invention discloses a locking device for a vaginal dilator, which comprises a locking piece arranged on an upper dilation module and a locking piece arranged in a lower dilation module, wherein the locking piece and the locking piece can be connected or separated from each other, when the locking piece is connected with the locking piece, the locking piece and the locking piece move relatively in a single direction, so that the upper dilation module and the lower dilation module perform relative opening action or maintain an opening state, and when the locking piece is separated from the locking piece, the upper dilation module and the lower dilation module perform relative folding action. This application is through setting up the locking piece under in the expansion module, reduces the handheld vaginal dilator of doctor and carries out the interference of operating, and when ending the latch fitting and being connected with the locking piece through injecing again, only can carry out one-way relative movement between latch fitting and locking piece, maintains the state of opening of expanding the module and expanding the module down on, guarantees going on smoothly of gynecological disease inspection or treatment.

Description

Locking device for vaginal dilator

Technical Field

The invention relates to the technical field of medical instruments, in particular to a locking device for a vaginal dilator.

Background

Vaginal dilators are medical devices commonly used in gynecological examinations, for example, duckbill vaginal dilators. After the vagina is dilated by the vaginal dilator, the opening state needs to be maintained, so that gynecological examination can be conveniently carried out, a locking device is arranged on a common vaginal dilator to maintain the opening state, the locking device of the conventional vaginal dilator can be arranged on the outer side of a handheld part, the operation of a doctor can be influenced, and the condition that the locking device cannot maintain the opening state of the vaginal dilator occasionally can also occur when the vagina is contracted, and the examination of gynecological diseases is influenced.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a locking device for a vaginal dilator.

The invention discloses a locking device for a vaginal dilator, which comprises:

a locking piece arranged on the upper expansion module; and

locate the locking piece in the lower expansion module, it can interconnect or break away from with the locking piece to end the locking piece, when ending the locking piece and being connected with the locking piece, end and carry out one-way relative movement between locking piece and the locking piece for go up the expansion module and expand the module group down and carry out the action or maintain the state of opening relatively, when ending the locking piece and breaking away from with the locking piece, go up the expansion module group and expand the module group down and carry out the action of folding relatively.

According to an embodiment of the present invention, the locking member has a locking position, the locking member includes a locking bearing portion, a shifting portion and a one-way locking portion, the shifting portion is rotatably connected to the locking bearing portion, the one-way locking portion is disposed on the shifting portion, the one-way locking portion is adapted to the locking position, and applies a force to the shifting portion, the shifting portion drives the one-way locking portion to be connected to or disconnected from the locking position, and during connection, the one-way locking portion and the locking position perform one-way relative movement.

According to an embodiment of the present invention, the locking member further includes a reset portion, the reset portion is respectively connected to the lock movement bearing portion and the toggle portion, the toggle portion drives the one-way locking portion to be disengaged from the lock stopping portion, and the reset portion resets the toggle portion, so that the one-way locking portion is connected to the lock stopping portion and maintains a connection state therebetween.

According to an embodiment of the present invention, one end of the toggle portion is rotatably connected to the lock moving bearing portion, the other end of the toggle portion is provided with a toggle position, the toggle portion is provided with a lock bearing position, and the one-way lock portion is provided at the lock bearing position.

According to one embodiment of the invention, the lock moving bearing part comprises a bearing shell, one end of the bearing shell is provided with a shifting port, one end of the shifting part is rotatably connected to the bearing shell, and a shifting position at the other end of the shifting part is leaked from the shifting port.

According to an embodiment of the present invention, a moving opening is formed on a side of the bearing housing facing the locking position, and a width of the moving opening is greater than a thickness of the locking position.

According to an embodiment of the present invention, the unidirectional locking portion includes a unidirectional bearing and a gear, the unidirectional bearing is disposed at the locking bearing position, the gear is sleeved on the unidirectional bearing, a plurality of first engaging teeth are sequentially disposed on a circumference of the gear, the locking position includes a plurality of second engaging teeth sequentially disposed along a length direction of the locking member, and the first engaging teeth and the second engaging teeth are adapted to each other and can be engaged with or disengaged from each other.

According to an embodiment of the invention, the first and second engagement teeth are ratchet teeth with opposite directions of inclination.

According to an embodiment of the present invention, the locking bearing position includes two locking bearing plates disposed opposite to each other, the one-way bearing is disposed between the two locking bearing plates, and the first engaging teeth are leaked from a space between the two locking bearing plates.

According to an embodiment of the present invention, the toggle device further includes a rotating shaft disposed in the bearing housing, wherein ends of the two locking bearing plates away from the toggle position are respectively rotatably connected to the rotating shaft, and the reset portion is sleeved on the rotating shaft and respectively connected to the locking bearing plates and the bearing housing.

The beneficial effect of this application lies in: through setting up the locking piece under in the expansion module, reduce the handheld vaginal dilator of doctor and carry out the interference of operating, and when stopping the locking piece and being connected with the locking piece through injecing again, only can carry out one-way relative movement between locking piece and locking piece, make on expand the module and only can open the action along the single direction with lower expansion module, perhaps maintain the state of opening, even when the vagina contracts reverse effect and expands the module with lower expansion module, the fold of expansion module and lower expansion module can not appear yet, thereby maintain the state of opening, guarantee going on smoothly of gynecological disease inspection or treatment.

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 showing the structure of a locking device for a vaginal dilator in an embodiment;

FIG. 2 is a schematic view of the structure of the visual housing and the locking member in the embodiment;

FIG. 3 is a schematic structural view of the upper expansion module and the locking device in an expanded state according to the embodiment;

FIG. 4 is a schematic structural diagram of the upper expansion module and the locking device in the closed state in the embodiment;

fig. 5 is a schematic structural view of the locking member in the embodiment.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of 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 practical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings for the sake of simplicity.

It should be noted that all directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear \8230; \8230, are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are used for descriptive purposes only, do not specifically refer to an order or sequence, and do not limit the present invention, but merely distinguish components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other 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 or in such a way that it is immediately recognizable, although not perfectly closed, to the other. 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.

For a further understanding of the contents, features and effects of the invention, reference will now be made to the following examples, which are to be read in connection with the accompanying drawings, wherein:

referring to fig. 1, fig. 1 is a schematic structural view of a locking device for a vaginal dilator in an embodiment. The vaginal dilator is a duckbill vaginal dilator and is provided with an upper dilating module 10 and a lower dilating module 20 which are connected in a relatively rotating way, and when the upper dilating module 10 and the lower dilating module 20 are relatively opened, the vagina can be opened so as to facilitate the diagnosis and treatment of gynecological diseases.

The locking device 30 for the vaginal dilator in the embodiment comprises a locking piece 31 and a locking piece 32, wherein the locking piece 31 is arranged on the upper dilation module 10, the locking piece 32 is arranged in the lower dilation module 20, the locking piece 31 and the locking piece 32 can be connected or separated, when the locking piece 31 is connected with the locking piece 32, the locking piece 31 and the locking piece 32 move relative to each other in a one-way mode, so that the upper dilation module 10 and the lower dilation module 20 perform relative opening action or maintain an opening state, and when the locking piece 31 is separated from the locking piece 32, the upper dilation module 10 and the lower dilation module 20 perform relative folding action.

By arranging the locking piece 32 in the lower expansion module 20, the interference of the operation of holding the vaginal dilator by a doctor is reduced, and when the locking piece 31 is connected with the locking piece 32 by limiting, only one-way relative movement can be carried out between the locking piece 31 and the locking piece 32, so that the upper expansion module 10 and the lower expansion module 20 can only carry out opening action along a single direction, or the opening state is maintained, even when the upper expansion module 10 and the lower expansion module 20 are reversely acted by vaginal contraction, the folding of the upper expansion module 10 and the lower expansion module 20 can not occur, the opening state is maintained, and the smooth progress of gynecological disease examination or treatment is ensured.

Referring to fig. 2 again, fig. 2 is a schematic structural view of the visible housing and the locking member in the embodiment. The locking member 31 in this embodiment is specifically arranged on the surface of the upper expansion module 10, which is expanded downwards by the pressing plate 101, the locking member 32 has a handheld housing 201, a visible module is arranged in the handheld housing 201, the visible module includes a visible housing 40, and a lens, a LED lamp and other visible components are arranged in the visible housing 40, the visible housing 40 is arranged in the handheld housing 201, and the locking member 32 is specifically arranged in the visible housing 40 and leaks from the visible housing 40 and the handheld housing 201.

Referring to fig. 3 to 5, fig. 3 is a schematic structural view of the upper expansion module and the locking device in the open state in the embodiment, fig. 4 is a schematic structural view of the upper expansion module and the locking device in the closed state in the embodiment, and fig. 5 is a schematic structural view of the locking element in the embodiment. Further, locking piece 31 has locking position 311, locking piece 32 includes lock and moves carrier portion 321, stirring portion 322 and one-way locking portion 323, stirring portion 322 rotates to be connected in lock and moves carrier portion 321, one-way locking portion 323 is located stirring portion 322, one-way locking portion 323 and locking position 311 looks adaptation, exert force to stirring portion 322, stirring portion 322 drives one-way locking portion 323 and is connected or break away from with locking position 311, during the connection, one-way locking portion 323 and locking position 311 carry out one-way relative movement. When the unidirectional locking part 323 is connected with the locking part 311, the lower expansion module 20 and the upper expansion module 10 are relatively opened, and only unidirectional relative movement can be performed between the unidirectional locking part 323 and the locking part 311, that is, only opening action and no reverse folding action can be performed between the lower expansion module 20 and the upper expansion module 10, even under the reverse action of unconscious vaginal contraction, the opening state of the lower expansion module 20 and the upper expansion module 10 can still be maintained, the opening state between the lower expansion module 20 and the upper expansion module 10 is ensured, and the opening state is maintained, so that the subsequent examination or treatment of gynecological diseases can be accurately performed.

One end of the toggle part 322 is rotatably connected to the lock bearing part 321, the other end thereof is provided with a toggle position 3221, the toggle part 322 is provided with a lock bearing position 3222, and the unidirectional locking part 323 is provided at the lock bearing position 3222. The convenient poking of the poking part 322 is realized by the arrangement of the poking positions 3221 so that a doctor can apply force to the poking part 322, and the one-way locking part 323 is supported by the arrangement of the locking bearing positions 3222. Preferably, the lock bearing portion 321 includes a bearing housing 3211, a dial opening 3212 is disposed at one end of the bearing housing 3211, one end of the dial portion 322 is rotatably connected to the bearing housing 3211, and a dial portion 3221 at the other end of the dial portion 322 is leaked from the dial opening 3212. Through the arrangement of the bearing shell 3211, the rotation bearing of the dial portion 322 is facilitated, and the dial position 3221 is led out of the visual shell 40 and the handheld shell 201 through the dial opening 3212.

Specifically, the bearing housing 3211 is embedded in the visual housing 40, two ends of the bearing housing 3211 are respectively communicated with two opposite sides of the visual housing 40, one end of the bearing housing 3211 faces the pressing plate 101, the other end of the bearing housing 3211 is exposed out of the visual housing 40 and forms a toggle opening 3212, and the toggle portion 322 extends out of the visual housing 40 from the toggle opening 3212. The outer wall ring of bearing casing 3211 is equipped with bears limiting plate 13213, bears limiting plate 13213 and dials mouth 3212 and flushes, and through the setting that bears limiting plate 13213, carries out spacingly to the position that bearing casing 3211 set in visual casing 40.

Preferably, a moving opening 3214 is formed at one side of the bearing housing 3211 facing the locking stop 311, and the width of the moving opening 3214 is greater than the thickness of the locking stop 311. Specifically, a moving opening 3214 is formed in a side wall of the bearing housing 3211 facing the locking member 31, the moving opening 3214 is disposed along a length direction of the bearing housing 3211, and a width of the moving opening 3214 is greater than a thickness of the locking position 311. By providing the moving opening 3214 with a large width, the locking bit 311 can be connected to or disconnected from the one-way locking part 323 through the moving opening 3214.

Preferably, the toggle portion 322 includes a toggle body 3223, and the toggle body 3223 is located in the inner space of the bearing housing 3211. One end of the toggle position 3221 is connected to one end of the toggle main body 3223, and the other end of the toggle position 3221 extends out of the toggle port 3212 and the handheld housing 201, so that the toggle position 3221 leaks through the visual housing 40 and the handheld housing 201, and a doctor holding the handheld housing 201 can perform a toggle operation. The dial 3221 may be in the form of a trigger suitable for being dialed by a human finger. The visible housing 40 and the handheld housing 201 are both reserved with an opening adapted to facilitate extending of the other end of the toggle position 3221, which is not described herein again. The locking supporting portion 3222 includes two opposite locking supporting plates 32221, the two locking supporting plates 32221 are disposed side by side at the other end of the toggle main body 3223, and the two locking supporting plates 32221 are engaged with the end portion of the other end of the toggle main body 3223 to form a U-shaped structure. The toggle portion 322 further includes a rotating shaft 3224, the rotating shaft 3224 is disposed in the bearing housing 3211, and one ends of the two locking bearing plates 32221 far away from the toggle main body 3223 are respectively rotatably connected to the rotating shaft 3224, so that the toggle portion 322 and the locking bearing portion 321 form a rotational connection relationship, and act on the toggle position 3221, so as to enable the locking bearing position 3222 formed by the two locking bearing plates 32221 to be close to or far away from the moving port 3214, thereby driving the one-way locking portion 323 on the locking bearing position 3222 to be close to or far away from the moving port 3214.

Preferably, the one-way locking portion 323 includes a one-way bearing 3131 and a toothed wheel 3132, the one-way bearing 3131 is disposed at the locking bearing position 3222, the toothed wheel 3132 is sleeved on the one-way bearing 3131, a plurality of first engaging teeth 31321 are sequentially disposed on a circumference of the toothed wheel 3132, the locking position 311 includes a plurality of second engaging teeth 3111 sequentially disposed along a length direction of the locking member 31, and the first engaging teeth 31321 are adapted to the second engaging teeth 3111 and can be engaged with or disengaged from each other. The unidirectional bearing 3131 is arranged to make the first tooth 31321 on the toothed wheel 3132 engaged with the second tooth 3111 on the locking bit 311 only move in a single direction, so that unidirectional relative movement is achieved. Preferably, the one-way bearing 3131 is disposed between the two locking plates 32221, and the first tooth 31321 leaks out of the space between the two locking plates 32221, so as to facilitate the meshing engagement between the first tooth 31321 and the second tooth 3111.

Specifically, two ends of the one-way bearing 3131 are respectively and vertically connected to the two locking supporting plates 32221, and the gear 3132 is sleeved outside the one-way bearing 3131 and faces the moving opening 3214. The one-way bearing 3131 in this embodiment may adopt an existing one-way bearing structure, and is not limited herein. Among the plurality of first teeth 31321 on the circumferential circle of the toothed wheel 3132, the pitch between adjacent two first teeth 31321 is the same, the pitch between adjacent two second teeth 3111 among the plurality of second teeth 3111 is the same, and the first teeth 31321 are fitted to the second teeth 3111. The side of the locking member 31 facing the moving opening 3214 in this embodiment has an arc structure along which a plurality of second engaging teeth 3111 are sequentially disposed on the locking member 31, so that the first engaging teeth 31321 are more easily engaged with or disengaged from the second engaging teeth 3111. The lock stopper 31 in this embodiment is an arc-shaped long plate. The physician applies a force to the toggle position 3221 to swing the toggle portion 322 to move the toothed wheel 3132 close to the moving opening 3214, so that the first engaging tooth 31321 is engaged with the second engaging tooth 3111, and acts in reverse on the toggle position 3221 to swing the toggle portion 322 in reverse, so that the first engaging tooth 31321 is disengaged from the second engaging tooth 3111. The visible housing 40 and the hand-held housing 201 in this embodiment are reserved with a rear opening so that the locking member 31 can be inserted into and adjacent to the moving opening 3214, which will not be described in detail herein.

Preferably, first tooth 31321 and second tooth 3111 are ratchet teeth with opposite directions of inclination. The first and

second teeth

31321 and 3111 have opposite ratchet directions, and after engagement, they form an approximate barb structure, which can increase the locking force under the tightening action of the vagina, so as to further maintain the stability of the open state of the lower expansion die set 20 and the upper expansion die set 10.

Referring to fig. 3-5, further, the locking member 32 further includes a reset portion 324, the reset portion 324 is respectively connected to the lock moving bearing portion 321 and the toggle portion 322, the toggle portion 322 drives the one-way locking portion 323 to disengage from the locking position 311, and the reset portion 324 resets the toggle portion 322, so that the one-way locking portion 323 is connected to the locking position 311 and maintains the connection therebetween. Through the arrangement of the reset portion 324, under the condition that no doctor acts on the toggle position 3221, the reset portion 324 acts on the toggle portion 322, so that the one-way locking portion 323 is connected with the locking position 311, that is, the first engaging tooth 31321 is connected with the second engaging tooth 3111 in an engaging manner, so as to maintain the open state of the lower expansion module 20 and the upper expansion module 10, and maintain the formed examination channel state unchanged, so that the doctor does not need to act on the toggle portion 322 in a consistent manner, and thereby liberate the hands of the doctor for other operations. The reset portion 324 of the present embodiment is sleeved on the rotation shaft 3224 and is respectively connected to the locking supporting plate 32221 and the supporting housing 3211. Specifically, the reset portion 324 is an elastic member capable of being reset, the reset portion 324 in this embodiment is a torsion spring, and the torsion spring is sleeved on the rotation shaft 3224, and two ends of the reset portion 324 are respectively connected to the locking bearing plate 32221 and the bearing housing 3211.

To sum up, through setting up the locking piece under in the expansion module, reduce the handheld vaginal dilator of doctor and carry out the interference of operation, and when stopping locking piece and locking piece connection through injecing again, only can carry out one-way relative movement between locking piece and the locking piece, make and go up the expansion module and only can open the action along the single direction with lower expansion module, or maintain the state of opening, even when the vagina contracts reverse effect and expands the module with lower expansion module, the fold of expansion module and lower expansion module can not appear yet, thereby maintain the state of opening, guarantee going on smoothly of gynecological disease inspection or treatment.

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

1. A locking device for a vaginal dilator, comprising:

a locking piece arranged on the upper expansion module; and

the locking piece is arranged in the lower expansion module, the locking piece and the locking piece can be connected or separated with each other, when the locking piece is connected with the locking piece, the locking piece and the locking piece perform one-way relative movement, so that the upper expansion module and the lower expansion module perform relative opening action or maintain an opening state, and when the locking piece is separated from the locking piece, the upper expansion module and the lower expansion module perform relative folding action; the locking piece is provided with a locking position, the locking piece comprises a locking bearing part, a shifting part and a one-way locking part, the shifting part is rotationally connected with the locking bearing part, the one-way locking part is arranged on the shifting part, the one-way locking part is matched with the locking position and applies force to the shifting part, the shifting part drives the one-way locking part to be connected with or separated from the locking position, and when the one-way locking part is connected with the locking position, the one-way locking part and the locking position perform one-way relative movement; the locking piece still includes the portion that resets, the portion that resets respectively with the lock moves the portion that bears and the portion of stirring is connected, the portion of stirring drive one-way sticking department with lock stopping position breaks away from, the portion that resets is right the portion of stirring resets, so that one-way sticking department with lock stopping position is connected and is maintained the connected state between the two.

2. The locking device for the vaginal dilator according to claim 1, wherein one end of the toggle part is rotatably connected to the locking bearing part, the other end of the toggle part is provided with a toggle position, the toggle part is provided with a locking bearing position, and the unidirectional locking part is arranged at the locking bearing position.

3. The locking device for the vaginal dilator according to claim 2, wherein the locking bearing portion comprises a bearing housing, one end of the bearing housing is provided with a poking port, one end of the poking portion is rotatably connected to the bearing housing, and a poking position at the other end of the poking portion is missed to the poking port.

4. The locking device for a vaginal dilator according to claim 3, wherein a moving opening is opened on one side of the bearing shell facing the locking position, and the width of the moving opening is larger than the thickness of the locking position.

5. The locking device for the vaginal dilator according to claim 4, wherein the unidirectional locking portion includes a unidirectional bearing and a gear, the unidirectional bearing is disposed at the locking bearing position, the gear is sleeved on the unidirectional bearing, a plurality of first engaging teeth are sequentially disposed on a circumference of the gear, the locking position includes a plurality of second engaging teeth sequentially disposed along a length direction of the locking member, and the first engaging teeth and the second engaging teeth are adapted to each other and can be engaged with or disengaged from each other.

6. The locking device for a vaginal dilator of claim 5, wherein the first and second engagement teeth are ratchet teeth with opposite directions of inclination.

7. The latch mechanism for a vaginal dilator of claim 6 wherein the lock receiving location includes two oppositely disposed lock carrier plates, the one-way bearing is disposed between the two lock carrier plates, and the first engagement tooth leaks into the space between the two lock carrier plates.

8. The locking device of claim 7, wherein the toggle portion further comprises a shaft, the shaft is disposed in the bearing housing, two ends of the locking bearing plates away from the toggle position are respectively rotatably connected to the shaft, and the reset portion is disposed on the shaft and respectively connected to the locking bearing plates and the bearing housing.