CN209695169U - A kind of extensible vaginal dilator - Google Patents

Abstract

The utility model provides a kind of extensible vaginal dilator, including upper page device, the first spanner, nextpage device and the second spanner.Page device includes page and two first connecting rods in duckbill, two first connecting rod both ends are evenly arranged in parallel, and the left end of two first connecting rods is fixedly connected with the right end of page in duckbill respectively, the right end of two first connecting rods is respectively provided with multiple first latching tooths, be surrounded on first connecting rod periphery multiple first latching tooths be it is hollow round table-like, the right end of stub end towards the first connecting rod of each first latching tooth is arranged.The vaginal dilator of the utility model can extend, when the vagina for finding patient is longer, page and duckbill nextpage in duckbill can be extended, and page and duckbill nextpage cannot be fallen back in extended duckbill, and two hinges can be prevented when intravaginal is fallen back and two spanners clip to the vaginal walls of patient together.

Description

A kind of extensible vaginal dilator

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of extensible vaginal dilators.

Background technique

Vaginal dilator be gynaecology commonly check, surgical instrument, be mainly used for exposing check point or art position.It is general Vaginal dilator includes openable and closable upper page and nextpage in duckbill, upper by the fixed device holding of expansion on expander, Nextpage opens certain angle, to be checked intravaginal or to be performed the operation.However, the length of the vagina of different patients is different, Patient longer for vagina, the curtailment of existing vaginal dilator lead to not check to protrude into enough depth Situation inside vagina.

Utility model content

In view of the above-mentioned problems, the utility model proposes a kind of extensible vaginal dilators, it is therefore an objective to solve existing yin Not the problem of road expander is not suitable for all patients.

To achieve the above object, the utility model adopts the technical scheme that

The utility model proposes a kind of extensible vaginal dilator, including upper page device, the first spanner, nextpage device and Second spanner；The upper page device include in duckbill page and two first connecting rods, described two first connecting rods two hold level with both hands It is arranged in parallel together, and the left end of described two first connecting rods is fixedly connected with the right end of page in the duckbill respectively, institute The right end for stating two first connecting rods is respectively provided with multiple first latching tooths, is surrounded on the multiple of the first connecting rod periphery First latching tooth be it is hollow round table-like, the right end of stub end towards the first connecting rod of each first latching tooth is arranged；Institute Stating the first spanner is inverted L shape, has two first sliding grooves being laterally arranged and two first in the traversing section of first spanner Cylindrical cavity, each first sliding groove and each first cylindrical cavity correspond, and the section of each first cylindrical cavity is zigzag, each The left end of first sliding groove is in communication with the outside, corresponding first cylindrical cavity connection of the right end of each first sliding groove, described The outer diameter of multiple first latching tooths is greater than the internal diameter of the first sliding groove, and the axial length of first cylindrical cavity is greater than the multiple The axial length of first latching tooth, each first connecting rod are slidably disposed in its corresponding first sliding groove and described first In cylindrical cavity, the multiple first latching tooth can be set in its corresponding described first cylindrical cavity with being moved to the left；The nextpage Device includes duckbill nextpage and two the second connecting rods, and described two second connecting rods both ends are evenly arranged in parallel, and institute The left end for stating two the second connecting rods is fixedly connected with the right end of the duckbill nextpage respectively, described two second connecting rods Right end is respectively provided with multiple second latches, and it is hollow for being surrounded on the multiple second latch of second connecting rod periphery Round table-like, the right end of stub end towards second connecting rod of each second latch is arranged；Second spanner is inverted L shape, There is two second sliding slots being laterally arranged and two the second cylindrical cavities, each second sliding slot in the traversing section of second spanner It is corresponded with each second cylindrical cavity, the section of each second cylindrical cavity is zigzag, the left end of each second sliding slot and outer Boundary's connection, corresponding second cylindrical cavity connection of the right end of each second sliding slot, the outer diameter of the multiple second latch Greater than the internal diameter of the second sliding slot, the axial direction that the axial length of second cylindrical cavity is greater than the multiple second latch is long Degree, each second connecting rod is slidably disposed in its corresponding described second sliding slot and second cylindrical cavity, described more A second latch can be set in its corresponding described second cylindrical cavity with being moved to the left.

Preferably, the right end of the right end of page and the duckbill nextpage is round and smooth cambered surface in the duckbill, described The left end of one spanner and the left end of second spanner are round and smooth cambered surface.

Preferably, first spanner also has there are two slotted hole, described two slotted holes are located at described first and pull The two sides of the vertical section of hand, second spanner also have there are two locating shaft, and described two locating shafts are located at described second The two sides at the turning of spanner, described two locating shafts are protruding from the inside of described two slotted holes respectively.

Preferably, the same side of described two slotted holes is respectively provided with multiple concave tooth.

Preferably, the outermost end of described two locating shafts is respectively provided with a fixture block, the diameter of two fixture blocks is big In the maximum width of described two slotted holes.

Preferably, second spanner also has there are two bar blocks, described two bar blocks are located at described second and pull Within the two sides of the vertical section of hand, and described two bar blocks both ends are evenly arranged side by side.

Preferably, first spanner also has there are two fixed block, described two fixed blocks are symmetrically disposed on described first The two sides of the bottom of the vertical section of spanner, the cross section of each fixed block are L-type.

Preferably, the bottom of the vertical section of first spanner is inclined-plane.

Compared with prior art, the vaginal dilator of the utility model can extend, can when the vagina for finding patient is longer To extend page and duckbill nextpage in duckbill, and page and duckbill nextpage cannot be fallen back in extended duckbill, can be prevented Two hinges are when intravaginal is fallen back and two spanners clip to the vaginal walls of patient together.Also, the rear end of two hinges and two is pulled The front end of hand is round and smooth cambered surface, when contacting with vaginal walls as mild as a dove, will not injure patient's when being inserted and removed from Vaginal walls.

Detailed description of the invention

Fig. 1 is the overall schematic of the extensible vaginal dilator of an embodiment of the present invention；

Fig. 2 is the partial enlarged view of Fig. 1 of an embodiment of the present invention；

Fig. 3 is the overall schematic at another visual angle of the extensible vaginal dilator of an embodiment of the present invention；

In figure: the upper page device of 1-；Page in 11- duckbill；12- first connecting rod；121- first latching tooth；The first spanner of 2-； 21- first sliding groove；The first cylindrical cavity of 22-；23- slotted hole；24- fixed block；3- nextpage device；31- duckbill nextpage；32- Two connecting rods；The second latch of 321-；The second spanner of 4-；41- second sliding slot；The second cylindrical cavity of 42-；43- locating shaft；44- bar shaped Block.

Specific embodiment

To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby cooperate embodiment Detailed description are as follows.

Incorporated by reference to referring to figure 1, figure 2 and figure 3, Fig. 1 is the extensible vaginal dilator of an embodiment of the present invention Overall schematic, Fig. 2 are the partial enlarged view of Fig. 1 of an embodiment of the present invention, and Fig. 3 is an embodiment of the present invention The overall schematic at another visual angle of extensible vaginal dilator.The utility model relates to a kind of extensible colpectasias Device, including upper page device 1, the first spanner 2, nextpage device 3 and the second spanner 4.

Upper page device 1 includes page 11 and two first connecting rods 12 in duckbill, and two 12 both ends of first connecting rod are concordant Ground is arranged in parallel, and the left end of two first connecting rods 12 is fixedly connected with the right end of page 11 in duckbill respectively, and two first The right end of connecting rod 12 is respectively provided with multiple first latching tooths 121, is surrounded on multiple first latching tooths 121 of 12 periphery of first connecting rod Be it is hollow round table-like, the right end of stub end towards the first connecting rod 12 of each first latching tooth 121 is arranged.

First spanner 2 is inverted L shape, has two first sliding grooves 21 and two being laterally arranged in the traversing section of the first spanner 2 A first cylindrical cavity 22, each first sliding groove 21 are corresponded with each first cylindrical cavity 22, and each first cylindrical cavity 22 cuts open Face is zigzag, and the left end of each first sliding groove 21 is in communication with the outside, the right end of each first sliding groove 21 it is corresponding first Cylindrical cavity 22 is connected to.Each first connecting rod 12 is slidably disposed in its corresponding first sliding groove 21 and the first cylindrical cavity 22 In, multiple first latching tooths 121 can be set in its corresponding first cylindrical cavity 22 with being moved to the left, such to can be designed so that Multiple first latching tooths 121 can only be moved to the left and cannot move right.The outer diameter of multiple first latching tooths 121 is greater than first sliding groove 21 Internal diameter, can so prevent multiple first latching tooths 121 to be pierced by from first sliding groove 21.In order to be mentioned to multiple first latching tooths 121 The space for for being moved to the left, the axial length of the first cylindrical cavity 22 are greater than the axial length of multiple first latching tooths 121.

Nextpage device 3 includes duckbill nextpage 31 and two the second connecting rods 32, and two 32 both ends of the second connecting rod are concordant Ground is arranged in parallel, and the left end of two the second connecting rods 32 is fixedly connected with the right end of duckbill nextpage 31 respectively, and two second The right end of connecting rod 32 is respectively provided with multiple second latches 321, is surrounded on multiple second latches 321 of 32 periphery of the second connecting rod It is hollow round table-like, the right end setting of stub end the second connecting rod 32 of direction of each second latch 321.

Second spanner 4 is inverted L shape, has two second sliding slots 41 and two being laterally arranged in the traversing section of the second spanner 4 A second cylindrical cavity 42, each second sliding slot 41 are corresponded with each second cylindrical cavity 42, and each second cylindrical cavity 42 cuts open Face is zigzag, and the left end of each second sliding slot 41 is in communication with the outside, the right end of each second sliding slot 41 it is corresponding second Cylindrical cavity 42 is connected to.Each second connecting rod 32 is slidably disposed in its corresponding second sliding slot 41 and the second cylindrical cavity 42 In, multiple second latches 321 can be set in its corresponding second cylindrical cavity 42 with being moved to the left, such to can be designed so that Multiple second latches 321 can only be moved to the left and cannot move right.The outer diameter of multiple second latches 321 is greater than second sliding slot 41 Internal diameter, can so prevent multiple second latches 321 to be pierced by from second sliding slot 41.In order to be mentioned to multiple second latches 321 The space for for being moved to the left, the axial length of the second cylindrical cavity 42 are greater than the axial length of multiple second latches 321.

In the initial state, the left end of the traversing section of the right end of page 11 and the first spanner 2 is touched together in duckbill, duck It touches together, when the yin for needing to extend the utility model the left end of the traversing section of the right end of mouth shape nextpage 31 and the second spanner 4 When road expander, page 11 in duckbill and duckbill nextpage 31 are just drawn to suitable position simultaneously to the left, and keep duckbilled The equal length that page 11 and duckbill nextpage 31 are moved to the left in shape.At this point, page 11 is separated with the first spanner 2 in duckbill, duck Mouth shape nextpage 31 is separated with the second spanner 4, is connected between hinge and corresponding spanner by first connecting rod 12 or the second connecting rod 32 It connects, if the chance that two blades are also moved back when entering vagina, will clip to the vaginal walls of patient, so, this is practical new The vaginal dilator of type prevents page 11 and duck in duckbill by installing multiple first latching tooths 121 and multiple second latches 321 Mouth shape nextpage 31 moves back, and improves safety when use.The quantity of first connecting rod 12 and the second connecting rod 32 is two Rather than one, the intensity of page device 1 and nextpage device 3 can be improved, prevent the first connection of the vaginal dilator after extending Bar 12 and the second connecting rod 32 fracture when being inserted into vagina.Also, two first connecting rods 12 and two the second connecting rods 32 are also It can prevent page 11 and duckbill nextpage 31 in duckbill from rotating.Further, since first connecting rod 12 and the second connecting rod 32 Shared space is smaller, so four connecting rods will not interfere the inspection to vaginal walls.In practical applications, due to two blades It can not move back, need slowly to extend vaginal dilator, it is excessive to prevent length and be not adapted to.

Preferably, the right end of the right end of page 11 and duckbill nextpage 31 is round and smooth cambered surface in duckbill, the first spanner 2 Left end and the left end of the second spanner 4 are round and smooth cambered surface.The vaginal dilator and vaginal walls of the utility model can so be made When contact as mild as a dove, the vaginal walls of patient will not be injured when being inserted and removed from.

Preferably, the first spanner 2 also has there are two slotted hole 23, and two slotted holes 23 are located at the perpendicular of the first spanner 2 To the two sides of section, the second spanner 4 also has there are two locating shaft 43, and two locating shafts 43 are located at the turning of the second spanner 4 Two sides, two locating shafts 43 are protruding from the inside of two slotted holes 23 respectively.Further, two slotted holes 23 is same Side is respectively provided with multiple concave tooth, and locating shaft 43 can be pushed into position in suitable concave tooth by an a concave tooth i.e. gear, Locating shaft 43 in concave tooth is not susceptible to upper and lower displacement.In a preferred embodiment, two locating shafts 43 in order to prevent Two slotted holes 23 are detached from, the outermost end of two locating shafts 43 can be respectively provided with a fixture block, and the diameter of two fixture blocks is big In the maximum width of two slotted holes 23.

Preferably, the second spanner 4 also has there are two bar blocks 44, and two bar blocks 44 are located at the perpendicular of the second spanner 4 To within the two sides of section, and two 44 both ends of bar blocks are evenly arranged side by side.Further, there are two the first spanner 2 also has Fixed block 24, two fixed blocks 24 are symmetrically disposed on the two sides of the bottom of the vertical section of the first spanner 2, the cross of each fixed block 24 Section is L-type.In practical applications, after the vaginal dilator of the utility model extends, it can first rotate first and pull Hand 2 and the second spanner 4 to page 11 in duckbill are together with the touching of duckbill nextpage 31, and by the vagina of two blades insertion patient It is interior, the first spanner 2 is then rotated together with the touching of the vertical section of 4 to two spanner of the second spanner, and vagina is softened at this time, then Openings of sizes between adjustable two blade, the method for adjustment are as follows: push up the first spanner 2, at this time two fixed blocks 24 It can be connected to up or down in two bar blocks 44, that is to say, that the angle at this time between two spanners is non-adjustable, the first spanner 2 The stroke pushed up is bigger, and the opening between two blades is also bigger, when shifting suitable position onto, pressure meeting of the vagina to two blades Locating shaft 43 is caught in nearest concave tooth automatically, realizes the fixation of entire vaginal dilator.

Preferably, for the ease of pushing up the first spanner 2, the bottom of the vertical section of the first spanner 2 is inclined-plane.Further Anti-slip layer has can be set on inclined-plane for increasing friction force in ground.

Preferably, for the ease of the inspection to vagina, all devices of the vaginal dilator of the utility model are transparent Material.

Compared with prior art, the vaginal dilator of the utility model can extend, can when the vagina for finding patient is longer To extend page and duckbill nextpage in duckbill, and page and duckbill nextpage cannot be fallen back in extended duckbill, can be prevented Two hinges are when intravaginal is fallen back and two spanners clip to the vaginal walls of patient together.Also, the rear end of two hinges and two is pulled The front end of hand is round and smooth cambered surface, when contacting with vaginal walls as mild as a dove, will not injure patient's when being inserted and removed from Vaginal walls.

The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.

Claims (8)

1. a kind of extensible vaginal dilator, it is characterised in that pulled including upper page device, the first spanner, nextpage device and second Hand；

The upper page device includes page and two first connecting rods in duckbill, described two concordant Horizons in first connecting rod both ends Row setting, and the left end of described two first connecting rods is fixedly connected with the right end of page in the duckbill respectively, it is described two The right end of first connecting rod is respectively provided with multiple first latching tooths, is surrounded on the multiple first card of the first connecting rod periphery Tooth be it is hollow round table-like, the right end of stub end towards the first connecting rod of each first latching tooth is arranged；Described first Spanner is inverted L shape, has two first sliding grooves being laterally arranged and two the first cylindrical cavities in the traversing section of first spanner, Each first sliding groove and each first cylindrical cavity correspond, and the section of each first cylindrical cavity is zigzag, and each first is sliding The left end of slot is in communication with the outside, corresponding first cylindrical cavity connection of the right end of each first sliding groove, and the multiple the The outer diameter of one latch is greater than the internal diameter of the first sliding groove, and the axial length of first cylindrical cavity is greater than the multiple first card The axial length of tooth, each first connecting rod are slidably disposed in its corresponding described first sliding groove and first cylindrical cavity In, the multiple first latching tooth can be set in its corresponding described first cylindrical cavity with being moved to the left；

The nextpage device includes duckbill nextpage and two the second connecting rods, the concordant Horizon in described two second connecting rods both ends Row setting, and the left end of described two second connecting rods is fixedly connected with the right end of the duckbill nextpage respectively, it is described two The right end of second connecting rod is respectively provided with multiple second latches, is surrounded on the multiple second card of second connecting rod periphery Tooth be it is hollow round table-like, the right end of stub end towards second connecting rod of each second latch is arranged；Described second Spanner is inverted L shape, has two second sliding slots being laterally arranged and two the second cylindrical cavities in the traversing section of second spanner, Each second sliding slot and each second cylindrical cavity correspond, and the section of each second cylindrical cavity is zigzag, and each second is sliding The left end of slot is in communication with the outside, corresponding second cylindrical cavity connection of the right end of each second sliding slot, and the multiple the The outer diameter of two latches is greater than the internal diameter of the second sliding slot, and the axial length of second cylindrical cavity is greater than the multiple second card The axial length of tooth, each second connecting rod are slidably disposed in its corresponding described second sliding slot and second cylindrical cavity In, the multiple second latch can be set in its corresponding described second cylindrical cavity with being moved to the left.

2. a kind of extensible vaginal dilator as described in claim 1, it is characterised in that the right end of page in the duckbill Right end with the duckbill nextpage is round and smooth cambered surface, and the left end of the left end of first spanner and second spanner is Round and smooth cambered surface.

3. a kind of extensible vaginal dilator as described in claim 1, it is characterised in that first spanner also has two A slotted hole, described two slotted holes are located at the two sides of the vertical section of first spanner, and second spanner also has Two locating shafts, described two locating shafts are located at the two sides at the turning of second spanner, described two locating shaft difference It is protruding from the inside of described two slotted holes.

4. a kind of extensible vaginal dilator as claimed in claim 3, it is characterised in that described two slotted holes it is same Side is respectively provided with multiple concave tooth.

5. a kind of extensible vaginal dilator as claimed in claim 4, it is characterised in that described two locating shafts it is outermost End is respectively provided with a fixture block, and the diameter of two fixture blocks is all larger than the maximum width of described two slotted holes.

6. a kind of extensible vaginal dilator as described in claim 1, it is characterised in that second spanner also has two A bar blocks, described two bar blocks are located within the two sides of the vertical section of second spanner, and described two bar shapeds Block both ends are evenly arranged side by side.

7. a kind of extensible vaginal dilator as claimed in claim 6, it is characterised in that first spanner also has two A fixed block, described two fixed blocks are symmetrically disposed on the two sides of the bottom of the vertical section of first spanner, each fixed block Cross section be L-type.

8. a kind of extensible vaginal dilator as described in claim 1, it is characterised in that the vertical section of first spanner Bottom be inclined-plane.