CN115005759A

CN115005759A - Expansion linkage structure

Info

Publication number: CN115005759A
Application number: CN202210810264.8A
Authority: CN
Inventors: 梁雪; 熊斌; 戴佳红; 陈杰; 张换梅; 其他发明人请求不公开姓名
Original assignee: Hangzhou Weixin Medical Technology Co ltd
Current assignee: Hangzhou Weixin Medical Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-09-06

Abstract

The invention discloses an expansion linkage structure, belonging to the technical field of medical instruments, and the main technical scheme is that the expansion linkage structure comprises: a body comprising a lower expansion wing and a grip; the upper expansion piece is rotatably connected to the holding part and is provided with a guide part; the side expansion piece is rotatably connected to the holding part and provided with a guide part, and the guide part is in contact with the guide part. The upper expansion wing, the lower expansion wing and the two side expansion wings can realize the function of multi-wing linkage, when medical examination or diagnosis is carried out, the multi-wing linkage has the advantages of higher response speed, higher efficiency, more stable linkage effect and more convenient and faster operation, and the diagnosis and treatment efficiency of medical personnel is improved.

Description

Expansion linkage structure

Technical Field

The invention relates to the technical field of medical instruments, in particular to an expansion linkage structure.

Background

A vaginal dilator, also known as a vaginal dilator, is a medical instrument commonly used in gynecology and is mainly used for gynecological routine examination and operation. The existing vaginal dilator generally has two or four dilating wings, can dilate and support in different directions, and is convenient for medical staff to observe and diagnose.

When the existing vaginal dilator with two dilating wings is used, the visual field and the operation space cannot be well provided due to the single dilating direction; although the vaginal dilator with the plurality of expansion wings can open a larger channel of a vagina, the structure is more complex, the plurality of expansion wings cannot well realize synchronous expansion, the operation is inconvenient, and the diagnosis and treatment efficiency of medical workers is reduced, so that the structure of the existing vaginal dilator with the plurality of expansion wings needs to be improved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an expansion linkage structure.

The invention discloses an expansion linkage structure, which comprises: a body comprising a lower expansion wing and a grip; the upper expansion piece is rotatably connected to the holding part and is provided with a guide part; the side expansion piece is rotatably connected to the holding part and provided with a guide part, and the guide part is in contact with the guide part.

Preferably, the guide part has an arc ridge, and the guide part has a guide arc surface, and the arc ridge is in contact with the guide arc surface, so that the guide part can only move along a track formed by real-time dynamic contact with the arc ridge.

Preferably, the number of the guide parts is two, the two guide parts are mirror images of each other, the number of the side expansion pieces is two, the two side expansion pieces are mirror images of each other, and the two guide parts are respectively contacted with one guide part; the two side expansion pieces are a left expansion piece and a right expansion piece, and the moving track of the guide part on the guide part enables the left expansion piece and the right expansion piece to be separated or close relative to each other.

Preferably, the guide portion has a strip-like structure.

Preferably, the upper expansion piece further comprises a connecting portion and a pressing portion, and the guide portion is connected between the connecting portion and the pressing portion.

Preferably, each of the guiding portions extends from the surface of the pressing portion to the surface of the connecting portion, the distance between the ends of the two guiding portions on the surface of the pressing portion is smaller than the distance between the ends of the two guiding portions on the surface of the connecting portion, and the two guiding portions form a splayed structure.

Preferably, the width of the guiding portion is gradually reduced from the pressing portion to the connecting portion, and an end portion of the guiding portion on the connecting portion is a tip.

Preferably, the upper expansion piece further comprises an upper expansion wing, an upper accommodating groove is formed in the upper expansion wing, and an opening of the upper accommodating groove faces the lower expansion wing.

Preferably, the lower expansion wing is provided with a lower accommodating groove, and an opening of the lower accommodating groove faces the upper expansion wing.

Preferably, the upper expansion piece further comprises a connecting portion and a pressing portion, and the upper expansion wing, the guiding portion and the pressing portion are connected to the connecting portion.

The invention has the beneficial effects that: when the gynecological disease examination is carried out, after the device is inserted into the vagina, a user presses the pressing part to drive the upper expansion piece to rotate, when the upper expansion piece rotates, the guide part on the upper expansion piece can generate thrust to the guide part on the side expansion piece to push the guide part to move along a track determined by the arc ridge, and then the side expansion piece is driven to rotate relative to the main body, so that the two side expansion pieces are expanded outwards relative to each other;

because the arc ridge is in rigid contact with the guide arc surface, and the transmission of the movement between the components in rigid contact is delay-free, the rotation of the upper expansion piece can synchronously drive the side expansion piece to rotate in real time, and when medical examination or diagnosis is carried out, the multi-wing linkage has higher response speed, higher efficiency and more stable linkage effect;

consequently, go up expansion piece and two side expansion pieces and can rotate relative main part synchronous emergence, realized the function of last expansion wing, lower expansion wing and two side expansion wing multi-wing linkages, it is more convenient in the operation, improved medical personnel's diagnosis and treatment efficiency.

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 illustration of an explosive structure according to the present invention;

FIG. 3 is a schematic structural view of the upper expansion element;

FIG. 4 is a schematic view of the mounting arrangement of the upper and side expansion elements;

fig. 5 is a partially enlarged structural view of a portion a in fig. 4.

Description of reference numerals: 1. a main body; 11. a lower expansion wing; 111. a lower accommodating groove; 12. a grip portion; 121. an upper connecting hole; 122. a side connection hole; 2. an upper expansion member; 21. an upper expansion wing; 211. an upper accommodating groove; 22. a connecting portion; 221. connecting columns; 23. a pressing part; 24. a guide section; 241. an arcuate ridge; 3. a lateral expansion element; 3a, a left expansion piece; 3b, a right expansion piece; 31. a side expansion wing; 311. a butt joint hole; 312. a connecting pin; 32. a bending part; 33. a guide portion; 331. and (5) guiding the cambered surface.

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 indications such as up, down, left, right, front and rear … … in the embodiment of the present invention 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 indication 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, the expanding linkage structure disclosed by the invention is used for a vaginal dilator, and comprises a main body 1, an upper expanding member 2 and a side expanding member 3, wherein the upper expanding member 2 and the side expanding member 3 are both rotatably mounted on the main body 1 and can rotate relative to the main body 1 to realize the expanding action, the side expanding members 3 are provided with a plurality of parts, in the embodiment, the number of the side expanding members 3 is two, namely a left expanding member 3a and a right expanding member 3b, and the left expanding member 3a and the right expanding member 3b are mirror images and are symmetrically arranged.

Referring to fig. 1 and 2, the main body 1 includes a lower expansion wing 11 and a holding portion 12, the lower expansion wing 11 and the holding portion 12 are integrally disposed, the lower expansion wing 11 is an arc-shaped long piece, the holding portion 12 is a shell-shaped structure, the holding portion 12 is disposed at one end of the lower expansion wing 11, a recessed portion of the lower expansion wing 11 is a lower accommodating groove 111, an opening of the lower accommodating groove 111 faces the upper expansion piece 2, an upper connecting hole 121 and a side connecting hole 122 are formed in the holding portion 12, the upper connecting hole 121 and the side connecting hole 122 are both provided with two, the upper connecting hole 121 and the side connecting hole 122 are through holes, the upper connecting hole 121 is used for connecting the upper expansion piece 2, and the side connecting hole 122 is used for connecting the side expansion piece 3.

Referring to fig. 1 and 3, the upper extender 2 includes an upper extender wing 21, a connecting portion 22, a pressing portion 23 and a guiding portion 24, the upper extender wing 21, the connecting portion 22, the pressing portion 23 and the guiding portion 24 are integrally disposed, the upper extender wing 21 is an arc-shaped long piece, a recessed portion of the upper extender wing 21 is an upper receiving groove 211, and an opening of the upper receiving groove 211 faces the lower extender wing 11; the connecting part 22 is arranged at one end of the upper expanding wing 21, the connecting part 22 is of a U-shaped structure, connecting columns 221 are uniformly arranged on the inner walls of the two sides of the connecting part 22, and each connecting column 221 is respectively inserted into one upper connecting hole 121, so that the upper expanding piece 2 is integrally and rotatably connected to the main body 1; the pressing part 23 is connected between two side plates of the connecting part 22, and when the device is used, an operator presses the pressing part 23 with fingers to drive the upper expansion piece 2 to rotate relative to the main body 1.

Referring to fig. 3 to 5, the guide portion 24 of the upper expansion member 2 is integrally connected between the connecting portion 22 and the pressing portion 23, the guide portion 24 is a strip rib, two guide portions 24 are provided, the two guide portions 24 are mirror images and symmetrical to each other, the two guide portions 24 are respectively located on the inner walls of two sides of the connecting portion 22, the top edge of the guide portion 24 is an arc ridge 241 extending along the length direction thereof, the arc ridge 241 is a gentle arc transition structure and serves as a track for the guide-side expansion member 3 to move, and the arc ridge 241 is obliquely arranged relative to the surface of the pressing portion 23 and the surface of the connecting portion 22; each of the guide portions 24 extends from the surface of the pressing portion 23 to the surface of the connecting portion 22, and the distance W1 between the end portions of the two guide portions 24 located on the surface of the pressing portion 23 is smaller than the distance W2 between the end portions of the two guide portions 24 located on the surface of the connecting portion 22, so that the two guide portions 24 form a splayed symmetrical structure, and further, the width of the guide portions 24 gradually decreases from the pressing portion 23 to the connecting portion 22, and the end portions of the guide portions 24 located on the connecting portion 22 are pointed.

Referring to fig. 1 and 2, the side expansion member 3 includes a side expansion wing 31, a bending portion 32 and a guiding portion 33, the side expansion wing 31, the bending portion 32 and the guiding portion 33 are integrally disposed, the side expansion wing 31 is a long bar-shaped structure, the bending portion 32 is a bent bar-shaped structure, the guiding portion 33 is a block-shaped structure, the side expansion wing 31 is disposed at one end of the bending portion 32, the guiding portion 33 is disposed at the other end of the bending portion 32, a docking hole 311 is formed in the side expansion wing 31, the docking hole 311 is a through hole, the docking hole 311 corresponds to one side connection hole 122 on the holding portion 12, so that the docking holes 311 on the left expansion member 3a and the right expansion member 3b correspond to one side connection hole 122 on the main body 1, and a connection pin 312 penetrates through each corresponding docking hole 311 and the side connection hole 122, and the connection pin 312 enables the side expansion member 3 to be rotatably connected with the main body 1.

Referring to fig. 4 and 5, the guide parts 33 have guide arc surfaces 331 with spherical shapes, the guide arc surface 331 of each guide part 33 is in contact with one arc ridge 241 to form a plane high pair, the guide part 33 is limited to move only along a track formed by the contact with the arc ridge 241, and the moving track of the guide part 33 on the arc ridge 241 enables the left expansion piece 3a and the right expansion piece 3b to be separated or close in an included angle mode relative to each other; when the upper expansion piece 2 rotates, the guiding part 24 on the upper expansion piece 2 can generate thrust to the guiding part 33, so as to push the guiding part 33 to move along the track determined by the arc-shaped ridge 241, and further drive the side expansion piece 3 to rotate integrally relative to the main body 1, so that the two side expansion pieces 3 expand outwards relative to each other or approach each other. Therefore, the upper expansion piece 2 and the side expansion piece 3 can synchronously rotate relative to the main body 1, the multi-wing linkage function of the upper expansion wing 21, the lower expansion wing 11 and the side expansion wing 31 is realized, and the operation is more convenient and efficient; in addition, because the arc ridge 241 is in rigid contact with the guide arc 331, the transmission of the movement between the components in rigid contact is delay-free, so that the rotation of the upper expansion piece 2 can synchronously drive the side expansion piece 3 to rotate in real time, and when medical examination or diagnosis is performed, the response speed of multi-wing linkage is higher, the efficiency is higher, and the linkage effect is more stable.

The invention has the advantages that when the gynecological disease examination is carried out, after the device is inserted into the vagina, a user presses the pressing part 23 to drive the upper expansion piece 2 to rotate, when the upper expansion piece 2 rotates, the guide part 24 on the upper expansion piece 2 can generate thrust on the guide part 33 on the side expansion piece 3 to push the guide part 33 to move along the track determined by the arc ridge 241, and further, the side expansion piece 3 is driven to rotate relative to the main body 1, so that the two side expansion pieces 3 are expanded outwards relative to each other. Consequently, go up expansion piece 2 and two side expansion pieces 3 and can rotate by relative main part 1 synchronous emergence, and then realized the function of expanding wing 21, expanding wing 11 and two side expansion wings 31 multi-wing linkages down, it is more convenient in the operation, improved medical personnel's diagnosis and treatment efficiency.

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. An expanding linkage structure, comprising:

a main body (1), the main body (1) comprising a lower expansion wing (11) and a grip portion (12);

an upper expansion piece (2), wherein the upper expansion piece (2) is rotatably connected to the holding part (12), and the upper expansion piece (2) is provided with a guide part (24);

the side expansion piece (3) is rotatably connected to the holding part (12), the side expansion piece (3) is provided with a guide part (33), and the guide part (33) is in contact with the guide part (24).

2. The expanding linkage structure according to claim 1, wherein the guide portion (24) has an arc-shaped ridge (241), the guide portion (33) has a guide arc-shaped surface (331), and the arc-shaped ridge (241) is in contact with the guide arc-shaped surface (331) to limit the guide portion (33) to move only along a trajectory formed by real-time dynamic contact with the arc-shaped ridge (241).

3. Expansion linkage according to claim 2, characterized in that said guides (24) are provided in two, said guides (24) being mirror images of each other, said side expanders (3) being provided in two, said side expanders (3) being mirror images of each other, each of said guides (33) being in contact with one of said guides (24);

the two side expansion pieces (3) are a left expansion piece (3a) and a right expansion piece (3b), and the moving track of the guide part (33) on the guide part (24) enables the left expansion piece (3a) and the right expansion piece (3b) to be separated or close relative to each other.

4. An expanding linkage according to any one of claims 1 to 3, characterised in that the guide portion (24) is of a strip-like configuration.

5. The expansion linkage according to claim 3, characterized in that the upper expansion piece (2) further comprises a connecting portion (22) and a pressing portion (23), the guiding portion (24) being connected between the connecting portion (22) and the pressing portion (23).

6. The expanding linkage structure according to claim 5, wherein each of the guide portions (24) extends from a surface of the pressing portion (23) to a surface of the connecting portion (22), a distance between ends of the two guide portions (24) on the surface of the pressing portion (23) is smaller than a distance between ends of the two guide portions on the surface of the connecting portion (22), and the two guide portions (24) form a splayed structure.

7. The expansion linkage according to claim 6, characterized in that the width of the guide portion (24) is gradually reduced from the pressing portion (23) to the connecting portion (22), and the end of the guide portion (24) on the connecting portion (22) is pointed.

8. The structure according to any one of claims 1 to 3, wherein the upper expansion element (2) further comprises an upper expansion wing (21), an upper receiving groove (211) is provided on the upper expansion wing (21), and the opening of the upper receiving groove (211) faces the lower expansion wing (11).

9. The structure according to claim 8, characterized in that said lower expansion wing (11) is provided with a lower receiving slot (111), said lower receiving slot (111) opening towards said upper expansion wing (21).

10. Expansion linkage according to claim 8, characterized in that the upper expansion element (2) further comprises a connecting portion (22) and a pressing portion (23), the upper expansion wing (21), the guiding portion (24) and the pressing portion (23) all being connected to the connecting portion (22).