CN212015560U

CN212015560U - Medical vaginal dilator

Info

Publication number: CN212015560U
Application number: CN202020261274.7U
Authority: CN
Inventors: 徐文静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-27
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to the field of medical equipment, in particular to a medical vaginal dilator, which comprises two wing pieces, wherein a connecting part is arranged at the oblique rear part of the two wing pieces, the two ends of the connecting part are drawn by a chord mechanism and elastically bent to be arched, and one corner at the rear end of the two wing pieces is respectively connected with the two ends of the connecting part, so that the two wing pieces are supported by the connecting part and distributed in a duckbill shape and change an opening state along with the deformation of the connecting part, and the two wing pieces and the connecting part are of an integrated structure; the chord mechanism can adjust the length so as to adjust the opening state of the two wings. The medical vaginal dilator has the advantages of simple structure, easy manufacture, less required manufacturing materials, low price and suitability for one-time use; when the surgical operation instrument is used clinically, a wider surgical field can be obtained, the focus part can be exposed more fully, and the surgical operation is facilitated; when the medical vaginal dilator is clinically used, the potential energy accumulated by the connecting part provides expansion power, so that the medical vaginal dilator is time-saving, labor-saving, convenient and quick.

Description

Medical vaginal dilator

Technical Field

The utility model relates to a medical instrument, in particular to a medical vaginal dilator.

Background

The vaginal dilator is used for dilating the vagina in the routine examination and operation treatment of gynecological diseases so as to obtain a better examination field or operation field, and is a medical instrument which is commonly used in gynecology. The conventional vaginal dilator usually comprises an upper dilating wing, a lower dilating wing, a handle, a locking mechanism and the like, wherein the rear ends of the upper dilating wing and the lower dilating wing are hinged, the opening angle of the two dilating wings can be adjusted by using the handle, and the locking mechanism is used for locking the opening angle of the two dilating wings. The existing common vaginal dilator has a complex structure, is usually made of medical plastics with higher strength, has higher manufacturing cost, is used as a disposable medical instrument, obviously increases the treatment cost, and causes serious data waste after being discarded. In addition, because the two sides of the rear ends of the upper expansion wing and the lower expansion wing are hinged, when the medical operation is used clinically, the hinged part causes insufficient operative field, and certain obstacle is often caused to the clinical operation.

SUMMERY OF THE UTILITY MODEL

A technical object of the utility model is to provide a simple structure, low cost is fit for disposable, especially can reduce in clinical use and avoid even forming the medical external genitals of obstacle to clinical operation.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

a medical vaginal dilator comprises two wings for dilating vagina, wherein the two wings are consistent in shape, gradually increase in width from front to back and have smooth front ends; the method is characterized in that: the two wings are supported by the connecting part and distributed in a duckbill shape, and the two wings and the connecting part are in an integral structure; the chord mechanism can adjust the length so as to adjust the opening state of the two wings.

When the medical vaginal dilator is clinically used, the length of the chord mechanism is firstly shortened to enable the two wing pieces to be in a buckled state, so that the medical vaginal dilator can be safely and smoothly placed into the vagina of a patient; then the length of the chord mechanism is gradually increased, and the connecting part gradually drives the two wing pieces to open through the elastic potential energy accumulated by the connecting part, namely, the vagina is expanded until the expansion degree meets the clinical requirement; after the expansion is finished, the length of the chord mechanism is adjusted, so that the two wing pieces are restored to the buckling state again, and the two wing pieces are taken out of the body of the patient.

The two fins and the connecting part are formed by cutting a same plane plate and shaping.

The two fins and the connecting part are made of transparent plastic materials.

The two wing pieces are of cambered surface shell structures, and the concave surfaces of the two wing pieces are opposite.

The chord member mechanism include the telescopic link that constitutes by thread bush and threaded rod, thread bush and threaded rod screw-thread fit make the telescopic link can stretch out and draw back, a via hole has respectively been seted up at the both ends of connecting portion, the telescopic link be located between the both ends of connecting portion with the bowstring form, the both ends of telescopic link pass respectively behind two via holes and be connected with knob and hexagonal head respectively, the knob can with connecting portion relative rotation, the connecting portion on seted up an interior hexagonal seat, hexagonal head inject and can't rotate by interior hexagonal seat.

Compared with the prior art, the medical vaginal dilator has the following technical effects:

the medical vaginal dilator has the advantages of simple structure, easy manufacture, less required manufacturing materials, low price, suitability for one-time use and guarantee of sterility and sanitation; because the rear ends of the two wing pieces are not provided with hinged parts, the connecting part is positioned at the oblique rear part of the two wing pieces and is only connected with one corner of the wing pieces, the medical vaginal dilator can obtain a wider surgical field during clinical use, thereby improving the operation or examination effect; the two wing panels in the medical vaginal dilator have the same structure and no upper and lower parts, and the upper and lower positions can be flexibly changed according to the clinical actual requirements in clinical use, so that the positions of the connecting parts are reduced, even no barrier is caused to clinical operation, and particularly, in local operations such as wart and polyp removal operation, after the positions of the connecting parts are reasonably adjusted, the focus parts can be more fully exposed, and the operation field is more favorable for the operation; when the medical vaginal dilator is clinically used, the potential energy accumulated by the connecting part provides expansion power, so that the medical vaginal dilator is time-saving, labor-saving, convenient and quick.

Drawings

Fig. 1 is a schematic structural view of the medical vaginal dilator when the two wings are buckled.

Fig. 2 is a second schematic structural view of the medical vaginal dilator when the two wings are buckled.

Fig. 3 is a structural schematic view of the medical vaginal dilator when the two wings are opened.

Fig. 4 is a schematic diagram of the chord mechanism and the chord mechanism.

In the figure, 1, a connecting part, 2, a chord mechanism, 3, a wing panel, 4, a hexagon head, 5, an inner hexagon seat, 6, a thread sleeve, 7, a through hole, 8, a knob, 9 and a threaded rod.

Detailed Description

Referring to fig. 1-3, the utility model discloses a medical vaginal dilator, which comprises two fins 3 which are matched with each other and used for dilating vagina, wherein the shapes of the two fins 3 are consistent, and each fin 3 gradually increases the width from front to back and has a smooth front end; a connecting part 1 is arranged at the oblique rear part of the two wing pieces 3, and two ends of the connecting part 1 are drawn and drawn towards the middle by a chord mechanism 2, so that the connecting part 1 is elastically bent to be arched; one corner of the rear ends of the two fins 3 is respectively connected with two ends of the connecting part 1, so that the two fins 3 are supported by the connecting part 1 and are distributed in a duckbill shape from top to bottom, and the two fins 3 can change an opening state along with the deformation of the connecting part 1; the two fins 3 and the connecting part 1 are of an integrated structure; the chord mechanism 2 can adjust the length, and when the length of the chord mechanism 2 changes, the connecting part 1 can be elastically deformed correspondingly, so that the opening state of the two fins 3 can be adjusted.

As shown in fig. 1-3, when the medical vaginal dilator is clinically used, the length of the chord mechanism 2 is firstly adjusted to shorten the length, the two wings 3 are driven to be closed to a buckling state, and then the medical vaginal dilator can be safely and smoothly placed in the vagina of a patient, the length of the chord mechanism 2 is adjusted to gradually lengthen the length, the connecting part 1 gradually drives the two wings 3 to open through the elastic potential energy accumulated by the connecting part, namely the two wings 3 expand the vagina, and after the expansion degree meets the clinical requirement, the adjustment of the chord mechanism 2 is stopped; after the expansion is finished, the length of the chord mechanism 2 is adjusted, so that the two wing pieces 3 are restored to the buckling state again, and the two wing pieces 3 are taken out of the body of the patient.

The medical vaginal dilator has the advantages of simple structure, easy manufacture, less required manufacturing materials, low price, suitability for one-time use and guarantee of sterility and sanitation; because the rear ends of the two wing pieces 3 are not provided with hinged parts, the connecting part 1 is positioned at the oblique rear part of the two wing pieces 3 and is only connected with one corner of the wing pieces 3, the medical vaginal dilator can obtain a wider surgical field during clinical use, thereby improving the operation or examination effect; the structure of two fins 3 in this medical external genitals is unanimous, does not have the upper and lower branch, can change position about clinical in use according to clinical actual need is nimble to make the position of connecting portion 1 reduce and do not cause the obstacle even to clinical operation, especially in local operations such as wart body, polyp get rid of the art, to connecting portion 1 position after rationally adjusting, can make the focus position expose more abundant, make the art field more do benefit to going on of operation.

Further, in the medical vaginal dilator, the two wings 3 and the connecting part 1 are formed by cutting and shaping a same plane plate; the specific manufacturing method comprises the following steps: firstly cutting out an integrated blank comprising two fins 3 and a connecting part 1 from a plane plate, then performing specific deformation on the blank by the processes of die forming and the like to form the expected shapes of the fins 3 and the connecting part 1, finally bending the connecting part 1 and installing a chord mechanism 2, thereby finishing the manufacture of the whole medical vaginal dilator. The medical vaginal dilator has simple structure and easy manufacturing method.

Further, in the medical vaginal dilator, the two wings 3 and the connecting part 1 are made of transparent plastic materials, so that the operation field is more sufficient in clinical use.

Further, in the medical vaginal dilator, the two wings 3 are of a cambered surface shell structure, and the concave surfaces of the two wings 3 are opposite; therefore, on one hand, the structural shapes of the two fins 3 are more consistent with the physiological characteristics of the vagina, on the other hand, the strength of the fins 3 is improved, and the expansion effect is prevented from being influenced by the deformation of the fins in the vagina expansion process.

Further, as shown in fig. 4, in the medical vaginal dilator, the chord mechanism 2 includes a telescopic rod composed of a threaded sleeve 6 and a threaded rod 9, the threaded sleeve 6 is in threaded fit with the threaded rod 9 so that the telescopic rod can extend and retract, two ends of the connecting portion 1 are respectively provided with a through hole 7, the telescopic rod is located between two ends of the connecting portion 1 in an arch-chord shape, two ends of the telescopic rod respectively penetrate through the two through holes 7 and are respectively connected with a knob 8 and a hexagonal head 4, the knob 8 can rotate relative to the connecting portion 1, the connecting portion 1 is provided with an inner hexagonal seat 5, and the hexagonal head 4 is limited by the inner hexagonal seat 5 and cannot rotate; after the chord mechanism 2 adopts the design, the length of the chord mechanism 2 can be conveniently and rapidly adjusted by rotating the knob 8, namely the opening state of the two wings 3 is adjusted; in the above chord mechanism 2 structure, the length range of the telescopic rod should satisfy: the knob 8 is rotated to shorten the telescopic rod until the two wing pieces 3 are closed to a buckling state; when the knob 8 is rotated to extend the telescopic rod to the longest state, the opening state of the two wings 3 can meet the requirement of basic clinical vaginal dilation.

Claims

1. A medical vaginal dilator comprises two wings for dilating vagina, wherein the two wings are consistent in shape, gradually increase in width from front to back and have smooth front ends; the method is characterized in that: the two wings are supported by the connecting part and distributed in a duckbill shape, and the two wings and the connecting part are in an integral structure; the chord mechanism can adjust the length so as to adjust the opening state of the two wings.

2. The medical vaginal dilator of claim 1, wherein: the two fins and the connecting part are formed by cutting a same plane plate and shaping.

3. The medical vaginal dilator of claim 1, wherein: the two fins and the connecting part are made of transparent plastic materials.

4. The medical vaginal dilator of claim 1, wherein: the two wing pieces are of cambered surface shell structures, and the concave surfaces of the two wing pieces are opposite.

5. The medical vaginal dilator of claim 1, wherein: the chord member mechanism include the telescopic link that constitutes by thread bush and threaded rod, thread bush and threaded rod screw-thread fit make the telescopic link can stretch out and draw back, a via hole has respectively been seted up at the both ends of connecting portion, the telescopic link be located between the both ends of connecting portion with the bowstring form, the both ends of telescopic link pass respectively behind two via holes and be connected with knob and hexagonal head respectively, the knob can with connecting portion relative rotation, the connecting portion on seted up an interior hexagonal seat, hexagonal head inject and can't rotate by interior hexagonal seat.