CN111920497A - Push up amniotic sac device in cervical cerclage - Google Patents

Abstract

The invention discloses a push-up amniotic sac device in a cervical cerclage operation, which comprises a plurality of upper lappets and lower lappets, wherein the upper lappets and the lower lappets are same in number and are arranged in a one-to-one correspondence manner, the upper lappets and the lower lappets are rotatably connected through a connecting shaft, and the upper lappets are rotatably connected with the top end of an inner fixed rod through the connecting shaft; the lower fender is connected with the outer sleeve push-pull rod through a connecting shaft, and the edges and the joints of the upper fender and the lower fender are both subjected to smooth polishing treatment, so that a fetal membrane is prevented from being scratched. The outer sleeve push-pull rod is pushed upwards to expand the top tray-shaped structure, and the amniotic sac is pushed upwards in the operation until the level of the inner opening of the cervix uteri is reached; the top tray-shaped structure can be folded by pulling down the outer sleeve push-pull rod, and the top tray-shaped structure is easy to take out from the uterus. The device has simple structure, convenient operation and low cost, and can be reused after being disinfected.

Description

Push up amniotic sac device in cervical cerclage

Technical Field

The invention relates to a medical tool, in particular to a amniotic sac push-up device in cervical cerclage.

Background

Cervical insufficiency refers to painless dilatation of the cervix in the early stage of the middle or late stage of pregnancy, accompanied by expansion of the gestational sac into the vagina, followed by premature rupture of the fetal membrane and expulsion of the immature fetus, and is one of the common causes of habitual abortion and premature birth in the late stage of pregnancy, and cerclage is one of the main methods for treating cervical insufficiency at present.

At present, the common method for pushing the amniotic sac upwards is to cover a normal saline gauze on the amniotic sac and push the amniotic sac upwards to the deep of the uterine cavity as much as possible, but one surface of the gauze can cause the gauze to be penetrated by a suture line in the suturing process, and the needle needs to be withdrawn and then the amniotic sac is sutured again, so that the injury of a patient is increased; on the other hand, the gauze occupies a larger volume, so that a large area of amniotic membrane is peeled from the uterine wall, a human artificial membrane peeling effect is generated, a large amount of local prostaglandin F2 alpha is promoted to be released, postoperative uterine contraction is induced, the premature rupture rate of the postoperative fetal membrane is increased, and the cerclage failure rate is increased.

In the prior art, the Chinese patent application number: 201420437676.2, publication No. CN203953773U, name: "a silica gel support that can be used in cerclage. The device is composed of a supporting part which is made of silica gel and has a downward protruding front end and a handle fixed at the lower end of the supporting part. The drawbacks of this device are on the one hand the large size, which also produces an artificial membrane peeling effect, and on the other hand the inability of the device tip to reduce in volume after suturing to accommodate the reduced cervical os after cerclage and exit.

Therefore, an upward-pushing amniotic sac tool which can push up the amniotic sac in the cervical cerclage operation, is small in size, can reduce the area of an upward-pushing top end to adapt to a cervical outlet which is reduced after the cervical cerclage suturing operation is completed, and is simple in structure, convenient to operate and convenient to operate is urgently needed.

Disclosure of Invention

The invention aims to provide a device for pushing a amniotic sac upwards in a cervical cerclage operation, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a push up amniotic sac device in cervical cerclage art, includes a plurality of lappet and lower lappet, and the quantity of lappet and lower lappet is the same and the one-to-one setting, it rotates through the connecting axle to connect with lower lappet, and it rotates through the top of connecting axle and interior dead lever to go up the lappet to be connected, and lower lappet is connected with the overcoat push-and-pull rod through the connecting axle. The outer sleeve pull rod is pushed upwards, the upper and lower lappets are unfolded in a disc shape at the same time, when the amniotic sac is pushed upwards to the level of the inner opening of the cervix, the upper lappet can protect the amniotic sac from protruding outwards, the lower lappet can prevent a suture needle for suturing the cervix from touching the amniotic sac, and the risk that the amniotic membrane is punctured by the suture needle in the operation is reduced; when the sewing is finished, the outer sleeve rod is pulled down, the upper and lower fender are retracted, and the outer sleeve rod is withdrawn after clinging to the inner fixed rod.

The outer sleeve push-pull rod is sleeved outside the inner fixed rod and is in sliding connection with the inner fixed rod, and the length of the outer sleeve push-pull rod is half of that of the inner fixed rod; the plurality of upper fender boards are distributed at equal intervals in the circumferential direction by taking the central line of the inner fixed rod as a midpoint, and the plurality of lower fender boards are distributed at equal intervals in the circumferential direction by taking the central line of the outer sleeve push-pull rod as a center; the upper fender and the lower fender are both elastic metal plates, and the edges and the joints of the metal plates are both subjected to smooth polishing treatment, so that a tire membrane is prevented from being scratched; the upper fender is of an arc-shaped inner concave structure, the lower fender is of an arc-shaped outer convex structure, and the upper part of the rod body of the inner fixed rod is of a groove-shaped structure and is matched with the shapes of the upper fender and the lower fender.

As a preferred embodiment of the present invention: the number of the upper fender and the lower fender is eight, and the inner fixed rod and the outer sleeve push-pull rod are octahedral columnar rods.

Compared with the prior art, the invention has the beneficial effects that: the device has simple structure, convenient operation and low cost, the top tray-shaped structure can be unfolded by pushing the outer sleeve push-pull rod upwards, and the amniotic sac is pushed to the level of the inner opening of the cervix during operation; the top tray-shaped structure can be folded by pulling down the outer sleeve push-pull rod, and the top tray-shaped structure is easy to take out from the uterus.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an enlarged view of a part of the structure of the present invention.

In the figure, 1-an upper fender, 2-a lower fender, 3-an outer sleeve push-pull rod and 4-an inner fixed rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, the amniotic sac pushing device in cervical cerclage comprises a plurality of upper lappets 1 and lower lappets 2, wherein the number of the upper lappets 1 and the number of the lower lappets 2 are the same and are arranged in a one-to-one correspondence manner, the upper lappets 1 and the lower lappets 2 are rotatably connected through a connecting shaft, the upper lappets 1 are rotatably connected with the top end of an inner fixed rod 4 through the connecting shaft, and the lower lappets 2 are connected with an outer sleeve push-pull rod 3 through the connecting shaft.

Specifically, the outer sleeve push-pull rod 3 is sleeved outside the inner fixing rod 4 and is in sliding connection with the inner fixing rod 4, and the length of the outer sleeve push-pull rod 3 is half of that of the inner fixing rod 4, so that operation is convenient.

Furthermore, the plurality of upper fender boards 1 are distributed at equal intervals in the circumferential direction with the center line of the inner fixed rod 4 as the midpoint, and the plurality of lower fender boards 2 are distributed at equal intervals in the circumferential direction with the center line of the outer push-pull rod 3 as the center.

Go up fender 1 and lower fender 2 and be the elasticity metal sheet, smooth polishing treatment is all done at metal sheet edge and junction, avoids the fish tail fetal membrane, can be crooked in certain extent, go up fender 1 and be the concave structure in the arc, lower fender 2 is the outer convex structure of arc, and the pole body upper portion of interior dead lever 4 is recess shape structure and suits with the shape of last fender 1 and lower fender 2.

When the device is used, the outer sleeve push-pull rod 3 is pushed upwards firstly, so that the distance between the top end of the outer sleeve push-pull rod 3 and the top end of the inner fixing rod 4 is reduced, the upper fender 1 and the lower fender 2 are unfolded due to the outward pushing effect until the top ends of the upper fender 1 and the inner fixing rod 4 are unfolded to the maximum when reaching a unified horizontal plane, after the use is finished, the outer sleeve push-pull rod 3 is pulled reversely, so that the distance between the top end of the outer sleeve push-pull rod 3 and the inner fixing rod 4 is increased, and the upper fender 1 and the lower fender 2 are contracted due to the pulling effect until the upper fender 1 and the lower fender 2 are unfolded.

The device has simple structure, convenient operation and low cost, the top tray-shaped structure can be opened by pushing the outer sleeve push-pull rod 3 upwards, and the amniotic sac is pushed to the level of the inner opening of the cervix during operation; the top tray-shaped structure can be folded by pulling down the outer sleeve push-pull rod 3, and the outer sleeve push-pull rod is easy to take out from the uterus.

Example 2:

on the basis of the embodiment 1, the number of the upper fender 1 and the number of the lower fender 2 are eight, the inner fixing rod 4 and the outer sleeve push-pull rod 3 are both octahedral columnar rods, and the octahedral columnar rods can limit the running direction of the outer sleeve push-pull rod 3 on the inner fixing rod 4, so that the outer sleeve push-pull rod 3 and the inner fixing rod 4 are prevented from rotating relatively.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a push up amniotic sac device in cervical cerclage art, its characterized in that, includes a plurality of fender (1) and lower fender (2) of going up, goes up fender (1) and the same and one-to-one setting of fender (2) down, go up fender (1) and lower fender (2) and rotate through the connecting axle and connect, go up fender (1) and rotate through the connecting axle with the top of interior dead lever (4) and be connected, lower fender (2) are connected with overcoat push-and-pull rod (3) through the connecting axle, overcoat push-and-pull rod (3) suit is outside and rather than sliding connection including dead lever (4).

2. The amniotic sac pushing device in cervical cerclage according to claim 1, wherein the length of the outer sleeve push-pull rod (3) is half of the length of the inner fixing rod (4).

3. The amniotic sac pushing device in cervical cerclage according to claim 2, wherein the plurality of upper lappets (1) are circumferentially and equidistantly distributed with the center line of the inner fixed rod (4) as the midpoint, and the plurality of lower lappets (2) are circumferentially and equidistantly distributed with the center line of the outer push-pull rod (3) as the center.

4. The amniotic sac pushing device in cervical cerclage operation according to claim 3, wherein the upper fender (1) and the lower fender (2) are both elastic metal plates, and the edges and joints of the metal plates are both smooth and polished to avoid scratching the fetal membranes.

5. The amniotic sac pushing device in cervical cerclage according to claim 4, wherein the upper lappet (1) is of an arc concave structure, the lower lappet (2) is of an arc convex structure, and the upper part of the shaft of the inner fixing rod (4) is of a groove structure and is adapted to the shapes of the upper lappet (1) and the lower lappet (2).

6. The amniotic sac pushing device in cervical cerclage according to claim 3, wherein the number of the upper lappet (1) and the lower lappet (2) is eight.

7. The amniotic sac pushing device in cervical cerclage according to claim 6, wherein the inner fixing rod (4) and the outer sheath push-pull rod (3) are octahedral rod-shaped rods.

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