Vagina operation dilator with collecting device

Abstract

The utility model relates to the field of medical instruments, in particular to a vagina operation dilator with a collecting device. Comprising an upper dilation structure and a lower dilation structure which are movably connected, and the lower dilation structure comprises a lower dilation part, a handle part and a confluence operation part; wherein the handle part is internally provided with a functional bin, the functional bin is internally provided with a sampling box, and the sampling box is provided with an opening communicated with the confluence operation part; the dilator is used for solving the technical problems that an existing dilator is only used for fixing an operation position and cannot achieve the function of collecting and sampling, so that various tools need to be used in an operation, the operation time is prolonged, and a patient feels uncomfortable. The handle part is convenient for a doctor to flexibly grab and flexibly adjust an operation position in an operation; all steps in the operation can be continuously completed through the confluence operation part; the function of collecting and sampling of the dilator is achieved through the sampling box in the functional bin, so that the operation time is shortened, and the independent use efficiency of the dilator is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments more particularly to vaginal operation dilator with collecting device. BACKGROUND

[0002] The vaginal dilator in clinical gynecological examination operation is a common gynecological examination instrument, which is used for tumor resection or correction of vaginal stenosis, muscle relaxation and the like in vaginal operation; in the examination process, the vaginal wall can be separated and pried apart, the vagina is dilated, a more accurate and clear visual field and operation space are provided for the operation; in the delivery process, some puerperae can cause the vaginal tearing of the puerperae due to the excessively large fetus and the like, and the dilator can help the doctor to straighten the torn vaginal wall again in the operation process, which is convenient for repair. The fixing structure of the commonly used metal double-wing vaginal dilator is composed of a screw rod and a nut, when in use, the doctor holds the dilator with one hand, and rotates the nut with the other hand and makes it rotate down circle by circle to gradually dilate; after the examination or operation is completed, the nut is withdrawn from the screw rod circle by circle, so that the dilator is gradually retracted.

[0003] The existing dilator is only used for fixing the operation position, cannot realize the function of collecting and sampling, causes the need to use multiple tools in the operation, prolongs the operation time, and causes the technical problem of patient discomfort. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming at least one defect (deficiency) of the prior art, providing vaginal operation dilator with collecting device, and solves the technical problem that the existing dilator is only used for fixing the operation position, cannot realize the function of collecting and sampling, causes the need to use multiple tools in the operation, prolongs the operation time, and causes the patient discomfort.

[0005] The utility model takes the technical scheme that provides vaginal operation dilator with collecting device, which comprises: upper dilating structure and lower dilating structure that are movably connected, the lower dilating structure comprises: lower dilating part, handle part arranged below the lower dilating part, and confluence operation part connecting the lower dilating part and the handle part, wherein the handle part is internally provided with a function bin, the function bin is internally provided with a sampling box, and the sampling box is provided with an opening communicating with the confluence operation part.

[0006] It is favorable that the handle part is arranged on the lower dilating part, which facilitates the flexible grabbing of the doctor and the flexible adjustment of the operation position in the operation, the integration and communication of multiple spaces in the dilator are realized through the confluence operation part, so that all steps in the operation can be completed in sequence, the function of the dilator is expanded through the function bin, the single action of the dilator in the use process is avoided, multiple tools need to be replaced in the operation process, so that the problems of low operation efficiency, prolonged operation time and increased patient discomfort are solved.

[0007] Further, the confluence operation part is a hollow structure and the top surface and the back surface are open to form a confluence inlet and an operation opening respectively; the confluence inlet extends to the side surface of the confluence operation part and is connected with the lower expansion part; the width of the confluence operation part is greater than the width of the lower expansion part; the height of the confluence operation part is greater than the width of the confluence operation part.

[0008] It is beneficial to connect other structures through the hollow structure, connect the lower expansion part through the confluence inlet, facilitate the resected material or sample accumulated in the lower expansion part to be converged for next operation, connect the confluence operation part through the operation opening, facilitate other operations, make the narrower expansion part relieve the pain when extending into the patient's vagina, and make the wider confluence operation part have enough space for the intervention of various tools, and make the dilator have enough space to switch multiple functions at the same time, and facilitate the intervention of other tools.

[0009] Further, a flow guide channel is arranged in the confluence operation part, the lower part of the flow guide channel is concave to form a convergence part, and the width of the convergence part gradually increases from small to large and the lower end matches the sampling box.

[0010] It is beneficial to guide the collected sample and resected material to the convergence part for centralized convergence to facilitate next operation, avoid the residue of the lower expansion part, and maintain the hygiene and cleanliness of the lower expansion part, and make the connecting surface of the convergence part smooth to avoid discomfort to the patient.

[0011] Further, the back side of the lower expansion structure is provided with a connecting plate, the connecting plate comprises: an upper connecting part and a lower connecting part connected with each other; the upper connecting part is connected with the confluence operation part; the lower connecting part is connected with the handle part; the lower expansion structure is rotatably connected with the upper expansion structure through the upper connecting part; the confluence operation part is provided with a clamping groove matched with the upper connecting part; the back side of the confluence operation part is provided with an operation opening, and the upper connecting part is provided with an avoiding opening avoiding the operation opening to expose the operation opening.

[0012] It is beneficial to connect and fix the upper expansion part, the lower expansion part and the handle part through the connecting plate, realize the quick assembly and processing of each structure through the upper connecting part, the lower connecting part and the clamping groove, and facilitate the use of the intervention tool through the avoiding opening.

[0013] Further, the back side of the handle part is provided with a plug interface communicating with the functional bin, and the face side of the lower connecting part is provided with a clamping sheet; the lower connecting part is connected with the handle part through the clamping sheet; the lower connecting part cooperates with the handle part, the clamping sheet is arranged in the plug interface, the face side of the clamping sheet forms an abutting surface for cooperating with the sampling box, and the back side of the clamping sheet is provided with a supporting convex strip abutting against the inner wall of the functional bin.

[0014] It is beneficial to realize the quick dismounting of the functional bin in the handle part through the plug interface, realize the quick assembly of the lower connecting part and the handle part through the clamping sheet and the plug interface, realize the fixation of the sampling box on the handle part through the abutting of the clamping sheet and the sampling box, and avoid the sliding of the sampling box in the functional bin through the supporting convex strip, so as to realize the abutting of the clamping sheet and the sampling box.

[0015] Further, the face of the lower connecting part close to the clamping sheet is provided with an assembly gap, the back side of the lower connecting part is provided with a clamping sheet, and the clamping sheet is provided with an anti-skid surface and forms a clamping gap with the back of the lower connecting part.

[0016] It is beneficial to make the connecting surface of the clamping sheet and the handle part completely fit through the assembly gap, keep the hygiene of the dilator, make the doctor not easy to slide when grabbing the clamping sheet through the anti-skid surface on the clamping sheet, and further expand the stress area of the clamping sheet and the functional bin through the clamping gap.

[0017] Further, the back of the handle part is provided with a plurality of concave clamping steps, the clamping sheet extends to the handle part in an inclined manner, and forms a clamping sheet matched with the clamping steps.

[0018] It is beneficial to adjust the fixed height of the clamping sheet and the handle part through the plurality of clamping steps, so as to adjust the cooperative positioning between the upper dilating structure and the lower dilating structure, strengthen the structural strength of the clamping gap through the matching of the clamping steps and the clamping sheet, increase the grabbing feeling, and realize the matching clamping of the clamping sheet and the clamping steps through the clamping sheet, so as to strengthen the clamping tightness.

[0019] Further, the handle part comprises a front end arc panel structure connected with the converging operation part and a rear end flat plate structure connected with the back of the front end arc panel; the front end arc panel structure and the rear end flat plate structure form a hollow functional bin penetrating through the upper and lower ends; and the lower side of the front end arc panel is provided with a mounting opening, so that the lower part of the sampling box is partially exposed.

[0020] It is beneficial to avoid the discomfort caused by the direct contact of the handle part and the patient's vagina through the front end arc panel structure, facilitate the assembly of the handle part and other accessories through the rear end flat plate structure, and make the sample or resection more convenient and fast through the penetration of the functional bin and the mounting opening on the lower side of the front end arc panel.

[0021] Further, the front end face of the sampling box matches the inner side face of the front end arc face plate structure; the top of the sampling box is provided with a sample inlet, and the bottom of the sampling box is provided with a filtrate hole; the inner side face of the front end arc face plate is provided with an outwardly protruding guide protrusion, and the front end face of the sampling box is inwardly recessed to form a guide groove matched with the guide protrusion.

[0022] The front end face is connected with the inner side face in a flush manner, the abutting force of the sampling box is increased, the positioning between the upper expansion structure and the lower expansion structure is accurate, the smooth sealing of the abutting face avoids sample leakage, the waste liquid in the sample is discharged through the filtrate hole, and the solid sample is collected, and the assembly difficulty of the sampling box in the functional bin is reduced, and the assembly accuracy is increased.

[0023] Further, the middle part of the current collection operation part is provided with a light guide strip, one end of the light guide strip is close to the lower expansion part, and the other end of the light guide strip is close to the sampling box; the sampling box is provided with a light source, and the light source is opposite to one end of the light guide strip.

[0024] The light guide strip increases the light source in the operation process, the light guide strip arranged in the middle part does not occupy the space of the current collection operation part, the light source in the handle part is gathered along the length of the light guide strip and is released after the light guide strip is located at one end of the lower expansion part, and the arrangement of the light source line in the current collection operation part is reduced.

[0025] Compared with the prior art, the utility model has the beneficial effects that: the handle part is arranged on the lower expansion part, the doctor can flexibly grasp and adjust the operation position in the operation process, the current collection operation part realizes the integration and connection of various spaces in the dilator, and all steps in the operation process can be continuously completed, the sampling box in the functional bin realizes the function of not only fixing the operation position of the patient's vagina but also collecting samples, so that the operation time is shortened, and the efficiency of the dilator is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the utility model.

[0027] Figure 2 It is a back side schematic diagram of the lower expansion structure of the utility model.

[0028] Figure 3 It is a face side schematic diagram of the lower expansion structure of the utility model.

[0029] Figure 4 It is a sampling box schematic diagram of the utility model.

[0030] Figure 5 It is another preferred embodiment schematic diagram of the sampling box of the utility model.

[0031] Figure 6 The utility model discloses a connecting plate schematic view.

[0032] The drawing mark explanation is as follows: lower expansion part 100, handle part 200, function warehouse 210, sampling box 220, plug interface 211, installation opening 212, guide convex strip 213, buckling step 214, guide slot 221, sample inlet 222, confluence operation part 300, light guide strip 310, connecting plate 400, upper connecting part 410, lower connecting part 420, clamping piece 421, clamping piece 422. DETAILED DESCRIPTION

[0033] The utility model drawing is only for example explanation, can not be understood as the restriction of the utility model. In order to better illustrate the following embodiment, some components of the drawing can be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some well-known structures and their description in the drawing can be omitted.

[0034] EMBODIMENT

[0035] As Figures 1-6 The utility model discloses a vaginal operation dilator with collecting device, including: the upper expansion structure and the lower expansion structure of active connection, the lower expansion structure includes: lower expansion part 100, handle part 200 set in the lower expansion part 100 below and the confluence operation part 300 of connecting the lower expansion part 100 with handle part 200, wherein, the handle part 200 is equipped with function warehouse 210, and the function warehouse 210 is equipped with sampling box 220, and the sampling box 220 is equipped with the opening that communicates the confluence operation part 300.

[0036] In the embodiment, the upper expansion structure and the lower expansion structure jointly constitute the long nose dilator with adjustable angle, realize the space fixation in the patient vaginal operation, the lower expansion part 100 in the lower expansion structure is used for directly contacting with the patient vagina, the handle part 200 is used for directly contacting with the doctor, the confluence operation part 300 is used for the operation space of different surgical procedures, the function warehouse 210 is used for connecting and replacing sampling box 220, so that the sample in the operation process can be continuously collected into sampling box 220, thereby improving the operation efficiency.

[0037] The confluence operation part 300 is hollow structure and the top surface and the back are open respectively and form the confluence entrance and the operation opening, and the confluence entrance extends to the face side of the confluence operation part 300, and is connected with the lower expansion part 100, the width of the confluence operation part 300 is greater than the width of the lower expansion part 100, and the height of the confluence operation part 300 is greater than the width of the confluence operation part 300.

[0038] In this embodiment, the confluence operation part 300 forms a confluence inlet on the open surface of the top surface, and forms an operation opening on the open surface of the back surface. After the dilator expands the surgical space, the doctor operates the sampling tool or the surgical knife to remove the sample on the inner wall of the patient's vagina, and temporarily stores it in the lower expansion part 100, so that the surgical knife can continue to collect the next sample or remove the excision; when the sample or excision in the lower expansion part 100 reaches a certain amount, the doctor moves it to the confluence inlet, so that it is further collected. The front end of the lower expansion part 100 is in the shape of a long mouth half-spherical arc, and the rear end is in the shape of a gradually widening arc surface. The confluence inlet is smoothly connected to the rear end of the lower expansion part 100. The width of the gradually widening arc surface near the front end is consistent with the width of the front end of the lower expansion part 100, and the width of the gradually widening arc surface away from the front end gradually increases until it is consistent with the width of the confluence operation part 300, so that the sample or excision can quickly fall into the confluence operation part 300 under its own weight. The width of the confluence operation part 300 is greater than the width of the front end of the lower expansion part 100, so as to realize the switching and operation of multiple functions of the expansion part; the height of the confluence operation part 300 is greater than the width of the confluence operation part 300, so that the space of the confluence operation part 300 is large enough, and multiple tools can be simultaneously inserted into the confluence operation part 300 for operation, so as to improve the efficiency of the operation. The ratio of the width of the confluence operation part 300 to the width of the lower expansion part 100 is 1.6, and the ratio of the height of the confluence operation part 300 to the width of the confluence operation part 300 is 1.8.

[0039] A flow guide channel is arranged in the confluence operation part 300. The lower part of the flow guide channel is concave to form a converging part. The width of the converging part gradually increases from small to large, and the lower end of the converging part matches the sampling box 220.

[0040] In this embodiment, the flow guide channel in the confluence operation part 300 is used to guide the flow direction and flow rate of the sample or excision in the confluence operation part 300; the converging part is used to collect the sample or excision that deviates from the flow guide channel during the stirring and collecting process and falls outside the sampling box 220, so that the doctor can stir the sample in the converging part into the sampling box 220 again, so as to avoid the leakage and waste of the sample or excision. The width of the converging part gradually changes until it matches the sampling box 220, so that the connecting surface of the converging part remains smooth, thereby keeping the confluence operation part 300 clean.

[0041] The back side of the lower expansion structure is provided with a connecting plate 400, which comprises an upper connecting part 410 and a lower connecting part 420; the upper connecting part 410 is connected with the converging operation part 300; the lower connecting part 420 is connected with the handle part 200; the lower expansion structure is rotatably connected with the upper expansion structure through the upper connecting part 410; the converging operation part 300 is provided with a clamping groove matched with the upper connecting part 410; the back side of the converging operation part 300 is provided with an operation opening, and the upper connecting part 410 is provided with an avoiding opening avoiding the operation opening, so that the operation opening is exposed.

[0042] In the embodiment, the connecting plate 400 comprises the upper connecting part 410 and the lower connecting part 420; the upper connecting part 410 is in the shape of a U-shaped clamp, and the lower connecting part 420 is in the shape of a rectangular plate; the upper connecting part 410 is used for avoiding the operation opening, and the lower connecting part 420 is used for connecting the handle part 200; the upper connecting part 410 is provided with two rotating shafts with holes at both ends of the U-shaped clamp, and the upper expansion structure is provided with two protrusions at the matching connection position, which are rotatably connected with the holes; the clamping groove is arranged on one side of the upper connecting part 410 close to the lower expansion part 100, which enables the converging operation part 300 to be clamped and fastened with the lower expansion part 100 and the handle part 200 at the same time, thereby improving the stability of the assembly structure; the operation opening is used for simultaneously using multiple intervention tools.

[0043] The back side of the handle part 200 is provided with a plug-in interface 211 communicating with the functional compartment 210, and the face side of the lower connecting part 420 is provided with a clamping piece 421; the lower connecting part 420 is connected with the handle part 200 through the clamping piece 421; the lower connecting part 420 is matched with the handle part 200, the clamping piece 421 is arranged in the plug-in interface 211, the face side of the clamping piece 421 forms an abutting surface for matching and fixing the sampling box 220, and the back side of the clamping piece 421 is provided with a supporting protrusion, which abuts against the inner wall of the functional compartment 210.

[0044] In the embodiment, the plug-in interface 211 is located at the top of the back side of the handle part 200, so that the back side of the handle part 200 is in the shape of a notched plate; the clamping piece 421 is in the shape of a double-layer vertical plate, the height of the outer vertical plate is greater than that of the inner vertical plate, the clamping piece 421 is inserted into the plug-in interface 211, so that the outer vertical plate of the clamping piece 421 is outside the plug-in interface 211, and the inner vertical plate is inside the plug-in interface 211, thereby fixing the back side of the lower connecting part 420 and the handle part 200; the supporting protrusions comprise two, which are arranged at the top and the bottom of the inner vertical plate respectively; after the clamping piece 421 is inserted into the plug-in interface 211, the two supporting protrusions are abutted against the inner wall of the functional compartment 210, and are used for fixing the lower connecting part 420.

[0045] The lower connecting part 420 is provided with an assembly gap on one side close to the clamping piece 421; the back side of the lower connecting part 420 is provided with a clamping piece 422; the clamping piece 422 is provided with an anti-skid surface and forms a clamping gap with the back side of the lower connecting part 420.

[0046] In this embodiment, the outer vertical plate of the clamping piece 421 is flush with the inner vertical plate at the top and has a height difference at the bottom, i.e. the assembly gap, which allows flexible movement of the positioning adjustment of the assembly and reduces the pulling between the clamping piece 421 and the handle part 200. The back side of the outer vertical plate of the clamping piece 421 is connected with the clamping piece 422, and the gap between the clamping piece 422 and the outer vertical plate is the clamping gap, which is used to reserve the space for the doctor to hold and move the clamping piece 421. The anti-skid surface is provided on the back side of the clamping piece 422, which serves as a force supporting surface when the doctor needs to disassemble the lower connecting part 420 and the handle part 200.

[0047] The back side of the handle part 200 is provided with a plurality of concave buckling steps 214, and the clamping piece 422 extends obliquely towards the handle part 200 to form a buckling piece matched with the buckling steps 214.

[0048] In this embodiment, the clamping piece 422 is in a bent shape, including a slanted surface plate of the bent inner buckle and a vertical arc surface plate, and the end surface of the slanted surface plate is in contact with the step end surface of the buckling step 214. When it is necessary to adjust the fixed position of the lower connecting part 420 on the handle part 200, it is only necessary to adjust the end surface contact of the buckling piece according to the different buckling steps 214 on the plug-in interface 211 in sequence.

[0049] The handle part 200 includes a front end arc surface plate structure connected with the converging operation part 300, and a rear end flat plate structure connected with the back side of the front end arc surface plate structure; the front end arc surface plate structure and the rear end flat plate structure form a functional cavity 210 which is hollow and penetrates through the upper and lower ends; the lower side of the front end arc surface plate is provided with a mounting opening 212 to partially expose the lower part of the sampling box 220.

[0050] In this embodiment, the connection between the front arc panel structure and the confluence operation part 300 is linear, so that the connection between the confluence operation part 300 and the handle part 200 has a clear step surface. The cross section of the front arc panel structure is semicircular to improve the hand feeling, and the bottom of the front arc panel is provided with a mounting opening 212, so that the sampling box 220 mounted in the functional compartment 210 is partially exposed, which is used for observing whether the sampling box 220 is full and assisting the replacement of the sampling box 220. The rear flat panel structure is used for mounting the clamping piece 421 and the clamping piece 422, so that the lower connecting part 420 is adjusted at the fixed position of the handle part 200. The functional compartment 210 is hollow and penetrates through the upper and lower ends, which provides support for the sampling box 220 and facilitates the replacement of different sampling boxes 220.

[0051] The front end face of the sampling box 220 matches the inner side face of the front arc panel structure; the top of the sampling box 220 is provided with a sample inlet 222, and the bottom of the sampling box 220 is provided with a filtrate hole; the inner side face of the front arc panel is provided with an outward convex guide ridge 213, and the front end face of the sampling box 220 is concave, forming a guide groove 221 matching the guide ridge 213.

[0052] In this embodiment, the cross section of the sampling box 220 is semicircular with two side grooves, and the front end face of the sampling box 220 matches the front arc panel structure, so that the sampling box 220 can be accurately mounted in the functional compartment 210. The area of the sample inlet 222 provided on the top of the sampling box 220 is smaller than the area of the top cross section of the sampling box 220, so that the sample is in a relatively isolated and hygienic state after being taken in time into the sampling box 220. The front arc panel is provided with a guide ridge 213 in the vertical direction, which guides the two side grooves of the sampling box 220 to accurately match and be stable in the functional compartment 210 without moving, and the two side grooves are guide grooves 221.

[0053] As shown in the drawings, Figure 5 The bottom of the sampling box 220 in this embodiment is provided with a perforation for solid-liquid separation after collecting the sample, removing impurities to ensure that the sample meets the analysis and detection requirements, and preventing pollution of the analysis instrument.

[0054] The middle part of the confluence operation part 300 is provided with a light guide strip 310, one end of the light guide strip 310 is close to the lower expansion part 100, and the other end is close to the sampling box 220; the sampling box 220 is provided with a light source, and the light source is opposite to one end of the light guide strip 310.

[0055] In the embodiment, the light guide strip 310 is a closed curved convex strip with openings at two end faces, the upper end of the closed curved convex strip extends to the tail of the lower expansion part 100, the lower end of the closed curved convex strip extends to the upper opening of the handle part 200, the closed curved convex strip penetrates through the confluence operation part 300, and the light guide strip 310 converges the light source at the lower end and passes out to the upper end to form a light emitting surface.

[0056] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the technical scheme of the utility model, and are not a limitation on the specific embodiments of the utility model. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model claim should be included in the protection scope of the utility model claim.

Claims

1. A vaginal surgical dilator with collection device comprising: The upper expansion structure and the lower expansion structure are connected, and the lower expansion structure comprises a lower expansion part, a handle part arranged below the lower expansion part, and a confluence operation part connecting the lower expansion part and the handle part; characterized in that the handle part is internally provided with a functional bin, and the functional bin is internally provided with a sampling box, and the sampling box is provided with an opening communicating with the confluence operation part.

2. The vaginal surgical dilator with collection device of claim 1, wherein, The confluence operation part is a hollow structure, and the top surface and the back surface are open to form a confluence inlet and an operation opening respectively; the confluence inlet extends to the side surface of the confluence operation part and is connected with the lower expansion part; the width of the confluence operation part is greater than the width of the lower expansion part. The height of the confluence operation part is greater than the width of the confluence operation part.

3. The vaginal surgical dilator with collection device of claim 1, wherein, The confluence operation part is internally provided with a flow guide channel, the lower part of the flow guide channel is concave to form a converging part, and the width of the converging part increases from small to large and the lower end matches the sampling box.

4. The vaginal surgical dilator with collection device of claim 1, wherein, The back side of the lower expansion structure is provided with a connecting plate, the connecting plate comprises an upper connecting part and a lower connecting part connected with each other; the upper connecting part is connected with the confluence operation part; the lower connecting part is connected with the handle part; the lower expansion structure is rotatably connected with the upper expansion structure through the upper connecting part; the confluence operation part is internally provided with a clamping groove matched with the upper connecting part; the back side of the confluence operation part is provided with an operation opening, and the upper connecting part is provided with an avoiding opening avoiding the operation opening, so that the operation opening is exposed.

5. The vaginal surgical dilator with collection device of claim 4, wherein, The back side of the handle part is provided with a plug-in port communicating with the functional bin, and the face side of the lower connecting part is provided with a clamping piece; the lower connecting part is connected with the handle part through the clamping piece; the lower connecting part cooperates with the handle part, the clamping piece is arranged in the plug-in port, the face side of the clamping piece forms an abutting surface for cooperating and fixing the sampling box, and the back side of the clamping piece is provided with a supporting convex strip abutting against the inner wall of the functional bin.

6. The vaginal surgical dilator with collection device of claim 5, wherein, The lower connecting part is provided with an assembly gap on one side close to the clamping piece; the back side of the lower connecting part is provided with a clamping piece; the clamping piece is provided with an anti-skid surface and forms a clamping gap with the back surface of the lower connecting part.

7. The vaginal surgical dilator with collection device of claim 6, wherein, The back surface of the handle part is provided with a plurality of concave buckling steps, the clamping piece extends obliquely to the handle part to form a buckling piece matched with the buckling steps.

8. A vaginal surgical speculum with collection device according to any one of claims 1-7, characterized in that, The handle part comprises a front end arc panel structure connected with the confluence operation part and a rear end flat plate structure connected with the back surface of the front end arc panel; the front end arc panel structure and the rear end flat plate structure form a hollow functional bin penetrating through the upper and lower ends; the lower side of the front end arc panel is provided with a mounting opening, so that the lower part of the sampling box is partially exposed.

9. The vaginal surgical dilator with collection device of claim 8, wherein, The front end surface of the sampling box matches the inner side surface of the front end arc panel structure; the top of the sampling box is provided with a sample inlet, and the bottom of the sampling box is provided with a filtrate hole; the inner side surface of the front end arc panel is provided with an outward convex guide convex strip, and the front end surface of the sampling box is concave to form a guide groove matched with the guide convex strip.

10. A vaginal surgical speculum with collection device according to any one of claims 1-7, characterized in that, The middle part of the confluence operation part is provided with a light guide strip, one end of the light guide strip is close to the lower expansion part, and the other end is close to the sampling box. The sampling box is provided with a light source, and the light source is opposite to one end of the light guide strip.

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