CN214860456U

CN214860456U - Adjustable cervical dilator

Info

Publication number: CN214860456U
Application number: CN202023094903.0U
Authority: CN
Inventors: 潘秀红; 王佳; 顾佳士
Original assignee: Shanghai Pudong Hospital Fudan University Pudong Medical Center
Current assignee: Shanghai Pudong Hospital Fudan University Pudong Medical Center
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-11-26
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to the technical field of medical equipment, especially, relate to a cervical dilator with adjustable. The technical proposal adopted by the utility model is that the dilator comprises a dilator body, a conical part and a dilating part; the dilator body is cylindrical, and the front end of the dilator body is connected with the conical part; the expansion part is hollow and cylindrical and is wrapped around the joint of the expander body and the conical part; the utility model aims at providing an adjustable cervical dilator aiming at the defects existing in the prior art, and achieving the effect that the cervical dilator can adjust the expansion diameter and does not need to be repeatedly set.

Description

Adjustable cervical dilator

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a cervical dilator with adjustable.

Background

In clinic, the cervical orifice needs to be expanded in the preparation stage of the artificial abortion operation, a traditional cervical dilator is expanded by using a metal rod with the diameter of 4 mm-8mm, each model is gradually increased by 0.5mm until the cervical orifice is expanded to the required 7mm-8mm, the expansion rod with the size increased by 0.5mm needs to be taken out and then inserted into the cervix for expansion when the cervical orifice is gradually increased each time, repeated insertion and extraction can stimulate the vagus nerve of the cervix, so that a patient can feel nausea and vomiting and cannot bear the operation easily; can also cause damage to cervical mucosa and increase the occurrence of complications such as cervical adhesion, endometriosis and the like after operation.

In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years and by matching with the application of the theory, so as to design an adjustable cervical dilator, and achieve the effect that the cervical dilator can adjust the dilating diameter without repeated setting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable cervical dilator aiming at the defects existing in the prior art, and achieving the effect that the cervical dilator can adjust the expansion diameter and does not need to be repeatedly set.

In order to achieve the purpose, the technical proposal adopted by the utility model is that the dilator comprises a dilator body, a conical part and a dilating part; the dilator body is cylindrical, and the front end of the dilator body is connected with the conical part; the expansion part is of a hollow cylindrical shape and surrounds and wraps the joint of the expander body and the conical part.

Further, the expansion part is an air bag with a hollow inner part, and the surface of the air bag is provided with an inflation hole.

Further, the air inflation device also comprises an air inflation pipeline, and the air inflation pipeline is connected with the air inflation hole; the inflation pipeline is fixed on the outer surface of the dilator body and extends to the rear end of the dilator body; and an air inlet valve is also arranged in the air inflation hole.

Further, the diameter of the balloon is larger than 8mm after inflation.

Further, still include the portion of holding, the portion of holding set up in expander body rear end.

Further, the holding part is flat, and the length of the holding part is more than 5 cm.

Further, the diameter of the dilator body is 4 mm; the rear end of the conical part has the same diameter as the diameter of the diameter expander body of the expander body.

Further, after the dilator body is connected with the conical part, the overall length is more than 15 cm.

Furthermore, the dilator body and the conical part are made of melamine.

Through the technical scheme of the utility model, can realize following technological effect:

the expansion part in the device is of a hollow cylindrical shape, the inflation hole is formed in the joint of the expander body and the conical part and on the surface of the air bag in a surrounding mode, the inflation pipeline is connected with the inflation hole, the outer surface of the expander body extends to the structure of the rear end of the expander body, and the effect that the expansion diameter of the cervical expander can be adjusted and the cervical expander does not need to be repeatedly arranged is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an adjustable cervical dilator in an embodiment of the present invention;

fig. 2 is a schematic structural view of the airbag according to the embodiment of the present invention after being inflated;

reference numerals: the dilator comprises a dilator body 1, a conical part 2, a dilating part 3, an air bag 31, an inflation hole 311, an inflation pipeline 4, a holding part 5 and an air inlet valve 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the orientations and positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

An adjustable cervical dilator, as shown in fig. 1, comprises a dilator body 1, a conical part 2 and a dilating part 3; the dilator body 1 is cylindrical, and the front end of the dilator body 1 is connected with the conical part 2; the expansion part 3 is hollow cylindrical and surrounds and wraps the joint of the expander body 1 and the conical part 2.

Specifically, be hollow cylinder type through expansion portion, encircle the structure of wrapping up in expander body and circular cone portion junction, can make expansion portion get into internally along with the circular cone portion to drive the expansion of palace neck portion.

As shown in fig. 1, the expansion part 3 is preferably a hollow balloon 31, and the surface of the balloon 31 is provided with an inflation hole 311.

As a preference of the above embodiment, as shown in fig. 1, the inflatable tube 4 is further included, and the inflatable tube 4 is connected to the inflation hole 311; the inflation pipeline 4 is fixed on the outer surface of the dilator body 1 and extends to the rear end of the dilator body 1; an air inlet valve 6 is also arranged in the air charging hole 311.

Specifically, through being provided with the inflation hole on the gasbag surface, the inflation tube is connected with the inflation hole, the inflation tube in expander body surface extends to expander body rear end to can get into internal back at circular cone portion and expansion portion gasbag, aerify the gasbag in external operation, make the expansion position more accurate, the expansion degree is more fit for.

Preferably, as shown in fig. 1, the diameter of the balloon 31 is larger than 8mm after inflation.

Specifically, the diameter of the inflated and expanded air bag is larger than 8mm, which is more beneficial to achieving the cervical dilatation effect.

As shown in fig. 1, the aforementioned embodiment preferably further includes a grip portion 5, and the grip portion 5 is provided at the rear end of the dilator body 1.

As shown in fig. 1, in the above embodiment, the grip portion 5 is preferably flat, and the length of the grip portion 5 is preferably greater than 5 cm.

Specifically, the holding part is arranged at the rear end of the expander body, and the holding part is flat and longer than 5cm, so that the holding operation of medical personnel is facilitated.

As a preference of the above embodiment, as shown in fig. 1, the diameter of the dilator body 1 is 4 mm; the rear end of the conical part 2 has the same diameter as the diameter of the dilator body 1.

As shown in fig. 1, in the above embodiment, the dilator body 1 is preferably connected to the conical portion 2 so that the entire length thereof is greater than 15 cm.

As shown in fig. 1, in the above embodiment, the dilator body 1 and the conical portion 2 are preferably made of melamine.

Specifically, holistic length is greater than 15cm and guarantees that the length that gets into in vivo is enough, and the hardness intensity and the temperature resistant corrosion resistance of device itself have been guaranteed to the melamine resin material, and the device wholly adopts the ethylene oxide sterilization, then seal package to guarantee holistic leakproofness and the security of device.

Specifically, be hollow cylinder type through the expanding part, encircle to wrap up and be provided with the inflation hole in expander body and circular cone portion junction, gasbag surface, inflation conduit is connected with the inflation hole, inflation conduit in the structure of expander body surface extension to expander body rear end, the expander need set up repeatedly when having solved the cervical dilatation, easily causes the problem that the patient is nausea, vomit and cervical mucosa damage.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable cervical dilator is characterized by comprising a dilator body (1), a conical part (2) and a dilating part (3); the dilator body (1) is cylindrical, and the front end of the dilator body (1) is connected with the conical part (2); the expansion part (3) is hollow and cylindrical and surrounds and wraps the joint of the expander body (1) and the conical part (2).

2. The adjustable cervical dilator according to claim 1, wherein the dilating portion (3) is a balloon (31) with a hollow inner part, and the surface of the balloon (31) is provided with an inflating hole (311).

3. The adjustable cervical dilator according to claim 2, further comprising an inflation conduit (4), said inflation conduit (4) being connected with said inflation hole (311); the inflation pipeline (4) is fixed on the outer surface of the expander body (1) and extends to the rear end of the expander body (1); an air inlet valve (6) is further arranged in the air charging hole (311).

4. The adjustable cervical dilator according to claim 2, wherein said balloon (31) has a diameter greater than 8mm after inflation.

5. The adjustable cervical dilator according to claim 1, further comprising a holding portion (5), said holding portion (5) being provided at a rear end of said dilator body (1).

6. The adjustable cervical dilator according to claim 5, wherein said grip portion (5) is flat, said grip portion (5) having a length greater than 5 cm.

7. The adjustable cervical dilator according to claim 1, wherein the diameter of the dilator body (1) is 4 mm; the rear end of the conical part (2) is the same as the diameter of the diameter expander body (1) of the expander body (1).

8. The adjustable cervical dilator according to claim 7, wherein the length of the whole dilator body (1) is more than 15cm after being connected with the conical part (2).

9. The adjustable cervical dilator according to claim 1, wherein the dilator body (1) and the conical portion (2) are made of melamine.