CN216412495U

CN216412495U - Cervical dilation model

Info

Publication number: CN216412495U
Application number: CN202123172472.XU
Authority: CN
Inventors: 陈欢; 张彬妮
Original assignee: Health School Affiliated To Guangxi University Of Science And Technology
Current assignee: Health School Affiliated To Guangxi University Of Science And Technology
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-29
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a cervical dilation model, which comprises a base, wherein a rubber strip is arranged on the base, the rubber strip has elasticity, one end of the rubber strip is a fixed end, the fixed end is fixedly connected with the base, the other end of the rubber strip is a sliding end, and the sliding end is in sliding connection with the base; the base is provided with a limiting ring through which the rubber strip penetrates at the fixed connection position of the rubber strip, the limiting ring is positioned in the sliding direction of the rubber strip, and the part of the rubber strip, which falls between the cross section of the limiting ring and the fixed end of the rubber strip, forms a circular ring structure under the elastic action of the rubber strip; be provided with on the base scale mark and with scale mark assorted scale interval, all scale marks along the slip direction of the rubber strip other end sets gradually, the scale interval of each scale mark equals the diameter value of ring structure under the different diameters. The utility model can vividly show the change process of the expansion of the cervical orifice from 0cm to 10cm, is convenient for students to train and learn the examination of the cervical orifice and is more intuitive.

Description

Cervical dilation model

Technical Field

The utility model relates to the field of medical teaching equipment, in particular to a cervical dilatation model.

Background

At present, the prenatal cervical change of a pregnant woman is an important basis for a clinical gynecologist to judge the labor progress, the prenatal cervical change is checked through the expansion of a cervical orifice in different time periods, the disappearance degree of a cervical canal and the position of a fetal head, the labor progress of the pregnant woman is judged, so that the pregnant woman and medical personnel make production preparation, the cervix is located inside the body, the doctor is required to judge by touching with hands, the experience of the doctor is rich, in the actual life, the practice opportunity of the obstetrics and gynecologists is almost zero, and only the practice is realized through a model. For example, as for the degree of cervical orifice expansion, the degree of opening of the cervical orifice is sensed through a cervical expansion model, the existing cervical expansion module is a hard plate, 10 different through holes with the diameters of 1cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm, 9cm and 10cm are intensively arranged on the hard plate, and the degree of corresponding fingers when the cervical orifice is expanded to a certain degree is sensed through the finger comparison through holes, so that when the cervical orifice expansion module is actually applied, the opening degree of the cervical orifice of a puerpera can be sensed through hand touch. However, the cervical dilation model occupies a large space, is inconvenient to take and hold, and cannot visually and vividly show the change process of the cervical opening from 0cm to 10cm, so that the operation effect and efficiency are influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a cervical dilation model that visually shows the process of cervical dilation from 0cm to 10cm, facilitates training and learning of cervical examination for students, and is more intuitive.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the cervical dilation model comprises a base, wherein a rubber strip is arranged on the base, the rubber strip has elasticity, one end of the rubber strip is a fixed end, the fixed end is fixedly connected with the base, the other end of the rubber strip is a sliding end, and the sliding end is in sliding connection with the base; the base is provided with a limiting ring through which the rubber strip penetrates at the fixed connection position of the rubber strip, the limiting ring is positioned in the sliding direction of the rubber strip, and the part of the rubber strip, which falls between the cross section of the limiting ring and the fixed end of the rubber strip, forms a circular ring structure under the elastic action of the rubber strip; be provided with on the base scale mark and with scale mark assorted scale interval, all scale marks along the slip direction of the rubber strip other end sets gradually, the scale interval of each scale mark equals the diameter value of ring structure under the different diameters.

Preferably, the top of base has been seted up and has been slided the guide mouth, the spacing ring is located the extension line of sliding guide mouth length direction, the slip end of rubber strip is connected on the slide bar, the one end of slide bar is located the base top, and the other end slides and inlays in the slip guide mouth.

Preferably, the part of the sliding rod above the base is sleeved with a locking sleeve through threads, and the outer diameter of the locking sleeve is larger than the opening width of the sliding guide opening.

Preferably, the graduation line is arranged along the length direction of the sliding guide opening and is arranged on one side of the edge of the sliding guide opening.

Preferably, the slide bar is provided with an indicating needle, the indicating needle is arranged close to the base, and the direction of the indicating needle is perpendicular to the length direction of the sliding guide opening.

Preferably, the sliding end of the rubber strip is provided with a connecting ring, the sliding rod is connected with the rubber strip through the connecting ring in a penetrating mode, the rubber strip is detachably connected with the sliding rod, and the outer diameter of the connecting ring is smaller than the inner diameter of the limiting ring.

Preferably, the scale value is gradually increased from the position of the sliding end of the rubber strip to the position of the limiting ring.

Preferably, the scale values correspond to 1cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm, 9cm, 10 cm.

Preferably, the bottom of the base is provided with an anti-skid supporting pad.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model simulates the cervical orifice by arranging the annular structure formed by the elastic rubber strip on the base, the fixed end of the rubber strip is fixed, the sliding end slides, the diameter of the annular structure formed by the fixed end and the limiting ring of the rubber strip can be changed by sliding the sliding end on the base, so that the change of the size of the cervical orifice is simulated, students can sense the expansion of the cervical orifice more visually, and the required size of the expanded cervical orifice can be obtained more accurately by arranging the scale lines and the scale values, thereby facilitating the training and learning of the examination of the cervical orifice for the students.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view of fig. 2 at B.

Description of the main elements

In the figure: the device comprises a base 1, a rubber strip 2, a circular ring structure 3, a fixed end 4, a sliding end 5, a limiting ring 6, a sliding guide opening 7, a sliding rod 8, a locking sleeve 9, an indicating needle 10, a scale mark 11 and a scale value 12.

The following detailed description will further illustrate the utility model in conjunction with the above-described figures.

Detailed Description

Referring to fig. 1-3, in a preferred embodiment of the present invention, the cervical dilation mold comprises a base 1, and the bottom of the base 1 is preferably provided with a non-slip support pad. The rubber strip 2 is arranged on the base 1, the rubber strip 2 has elasticity, one end of the rubber strip 2 is a fixed end 4, the fixed end 4 is fixedly connected with the base 1, the other end of the rubber strip 2 is a sliding end 5, and the sliding end 5 is connected with the base 1 in a sliding manner; base 1 is provided with the spacing ring 6 that rubber strip 2 wore to establish in the department that links firmly of rubber strip 2, spacing ring 6 is located rubber strip 2 slip direction, rubber strip 2 falls on the cross-section of spacing ring 6 department to the part between its stiff end 4 forms ring structure 3 under the elastic action of rubber strip 2, and the ring structure 3 that forms simulates the cervical orifice, and the slip of ring structure 3's diameter through rubber strip 2 on base 1 is adjustable to simulate the change of cervical orifice expansion, the size and the change of the more audio-visual perception cervical orifice of student. In this embodiment, the top of base 1 has been seted up and has been slided guide opening 7, spacing ring 6 is located the extension line of sliding guide opening 7 length direction, the slip end 5 of rubber strip 2 is connected on slide bar 8, the one end of slide bar 8 is located base 1 top, and the other end slides and inlays in sliding guide opening 7, slides through sliding end 5 that promotes slide bar 8 and drive rubber strip 2. Preferably, the partial thread cover that the slide bar 8 is located base 1 top is equipped with locking cover 9, the external diameter of locking cover 9 is greater than the opening width of sliding guide opening 7 to rotate the slip end 5 butt base 1 with rubber strip 2 through locking cover 9 screw thread, the fixed mode of centre gripping makes adjusted ring structure 3 can maintain this state, thereby be convenient for mr explain and student with the size of hand stroke ring structure 3, make the student more audio-visual perception cervical orifice expand to the matching degree with self finger when certain degree, for example, two fingers correspond cervical orifice size how, how again how the ten fingers etc.. Further, the sliding end 5 of rubber strip 2 has the go-between, the slide bar 8 is through wearing to establish go-between connection rubber strip 2, rubber strip 2 can dismantle with slide bar 8 and be connected, the external diameter of go-between is less than the internal diameter of spacing ring 6, promptly, the sliding end 5 of rubber strip 2 can break away from spacing ring 6, and back tiling on base 1, after the tiling, can also utilize slide bar 8 to fix its sliding end 5 to reduce the space size of this device, conveniently accomodate.

In the utility model, the base 1 is provided with scale marks 11 and scale values 12 matched with the scale marks 11, all the scale marks 11 are sequentially arranged along the sliding direction of the other end of the rubber strip 2, the scale value 12 of each scale mark 11 is equal to the diameter value of the ring structures 3 with different diameters, so that the size of the formed ring structures 3 is controlled through the arrangement of the scale marks 11 and the scale values 12, and the matched size is convenient for simulating the expansion of the cervical orifice to a certain degree. In this embodiment, the scale value 12 is gradually increased from the position where the sliding end 5 of the rubber strip 2 is located to the position where the limit ring 6 is located, and the scale value 12, which is directly opposite to the sliding end 5 of the rubber strip 2 after the sliding stop, is the diameter of the circular ring structure 3, preferably, the scale value 12 corresponds to 1cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm, 9cm, and 10cm, that is, a change process of the cervical orifice from 1cm to 10cm in diameter is simulated. Preferably, the scale mark 11 is arranged along the length direction of the sliding guide opening 7 and is arranged on one side of the edge of the sliding guide opening 7, and the diameter of the circular ring structure 3 at the moment can be known through the scale mark 11 and the scale value 12 corresponding to the position of the sliding rod 8; in order to more accurately know the corresponding scale mark 11 and scale value 12 of the slide bar 8, an indicating needle 10 is arranged on the slide bar 8, the indicating needle 10 is arranged close to the base 1, the direction of the indicating needle 10 is perpendicular to the length direction of the sliding guide opening 7, and the diameter of the circular ring structure 3 can be known through the direction of the indicating needle 10.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. Cervical dilatation model, including the base, its characterized in that: the rubber strip is arranged on the base and has elasticity, one end of the rubber strip is a fixed end which is fixedly connected with the base, the other end of the rubber strip is a sliding end which is connected with the base in a sliding manner; the base is provided with a limiting ring through which the rubber strip penetrates at the fixed connection position of the rubber strip, the limiting ring is positioned in the sliding direction of the rubber strip, and the part of the rubber strip, which falls between the cross section of the limiting ring and the fixed end of the rubber strip, forms a circular ring structure under the elastic action of the rubber strip; be provided with on the base scale mark and with scale mark assorted scale interval, all scale marks along the slip direction of the rubber strip other end sets gradually, the scale interval of each scale mark equals the diameter value of ring structure under the different diameters.

2. The cervical dilation model of claim 1, wherein: the top of base has been seted up and has been slided the guide mouth, the spacing ring is located the extension line that slides guide mouth length direction, the slip end of rubber strip is connected on the slide bar, the one end of slide bar is located the base top, and the other end slides and inlays in the slide guide mouth.

3. The cervical dilation model of claim 2, wherein: the partial threaded sleeve that the slide bar is located the base top is equipped with the locking cover, the external diameter of locking cover is greater than the opening width of sliding guide mouth.

4. The cervical dilation model of claim 2, wherein: the scale marks are arranged along the length direction of the sliding guide opening and are arranged on one side of the edge of the sliding guide opening.

5. The cervical dilation model of claim 4, wherein: the sliding rod is provided with an indicating needle, the indicating needle is arranged close to the base, and the direction of the indicating needle is perpendicular to the length direction of the sliding guide opening.

6. The cervical dilation model of claim 2, wherein: the sliding end of the rubber strip is provided with a connecting ring, the sliding rod is connected with the rubber strip through the connecting ring in a penetrating mode, the rubber strip is detachably connected with the sliding rod, and the outer diameter of the connecting ring is smaller than the inner diameter of the limiting ring.

7. The cervical dilation model of claim 1, wherein: the scale value is gradually increased from the position of the lateral limiting ring where the sliding end of the rubber strip is located.

8. The cervical dilation model of claim 1, wherein: the scale values correspond to 1cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm, 9cm, 10 cm.

9. The cervical dilation model of claim 1, wherein: the bottom of base is provided with anti-skidding supporting pad.