CN105125243A - Postpartum suture dilator - Google Patents

Abstract

The invention discloses a postpartum suture dilator. The postpartum suture dilator comprises a barrel and a drainage assembly, wherein the barrel is used for dilating postpartum vaginal wall; the drainage assembly is used for penetrating through the barrel and draining blood in the uterine cavity; a notch used for exposing a to-be-sutured part of the vaginal wall is formed in the side wall of the barrel. The postpartum suture dilator is simple in structure and convenient to use, can dilate the postpartum vaginal wall of a puerpera and exposes a surgical field sufficiently, when the suture surgery is performed, the surgical field cannot be blocked by blood flowing into the vagina, the smooth operation of the suture surgery is facilitated, and the problem of infection of the puerpera is solved.

Description

postpartum suture dilator

technical field

The invention relates to the technical field of medical devices, in particular to a postpartum suture dilator.

Background technique

In the prior art, it is usually necessary to perform a lateral cut on the vaginal wall during childbirth, and then suture the laterally cut vaginal wall after the delivery is completed.

At present, the following two kinds of instruments are mainly used to assist suturing: one is to use the pull hook 1' as shown in Figure 1. During operation, the support part 2' of a pair of pull hook 1' is inserted into the puerpera's vagina, and through the support Part 2' is supported on the vaginal wall of the puerpera, so that the upper and lower lobes of the vagina are completely exposed, but the retractor is used, and an assistant must assist in holding it during the suturing operation, which reduces the operable space of the operator and is not conducive to the smooth operation of the operation; The other is to use the vaginal speculum in the prior art to stretch the vagina. Although the vaginal speculum can expose the wound to be sutured, it blocks more and affects the operator's field of vision, so it is difficult to apply after delivery.

While suturing the side-cut vaginal wall, there will be blood outflow in the uterine cavity of the parturient. In the prior art, the method of inserting the tail gauze into the vagina is often used to prevent the blood from flowing out actively, and the use of the tail gauze will block the operator. The large surgical field brings certain difficulties to wound suturing.

Contents of the invention

The object of the present invention is to solve the above problems, and to provide a postpartum suture dilator, which has a simple structure and is easy to use. Covering the surgical field inside the vagina is conducive to the smooth progress of the suture operation and avoids infection problems for the parturient.

In order to achieve the above object of the present invention, the present invention provides a postpartum suture dilator, which includes: a cylinder for stretching the postpartum vaginal wall; a drainage device for draining intrauterine blood through the cylinder; Assembly; wherein, the side wall of the barrel is provided with a gap for exposing the part of the vagina wall to be sutured.

Wherein, the cylinder is conical.

Wherein, the drainage assembly includes: a drainage tube whose one end is inserted into the cervix of the uterine cavity.

Further, the drainage assembly further includes: a balloon connected to the outer wall of the drainage tube and disposed near the one end of the drainage tube, for fixing the drainage tube to the cervix of the uterine cavity.

Preferably, the balloon is provided with a liquid injection port for injecting liquid into it.

Furthermore, the drainage assembly further includes: a drainage bag connected to the other end of the drainage tube, for containing the blood drained by the drainage tube.

Further, it also includes: a handle connected to one end of the cylinder to facilitate holding the cylinder.

Wherein, the handle is arranged at the big end of the barrel.

Wherein, the barrel includes a first arc-shaped body and a second arc-shaped body that are detachably connected.

Preferably, a rib is provided at the large end of the cylinder.

Compared with the prior art, the postpartum suture dilator of the present invention has the following advantages:

The postpartum suturing dilator of the present invention is simple in structure and easy to use. It can stretch the postpartum vaginal wall and fully expose the surgical field, and the gap of the cylinder can expose the vaginal wall of the parturient who has been cut sideways, which is convenient for the operator to smoothly heal the vaginal wall of the parturient. The vaginal wall is sutured; the drainage tube drains the blood in the uterine cavity into the drainage bag, and during the suture operation, the blood will not flow out into the vagina to block the surgical field; the balloon helps to fix the drainage tube to the cervix of the uterine cavity To prevent the drainage tube from protruding from the cervix, the blood in the uterine cavity will flow into the vagina to block the operation field, which is conducive to the smooth progress of the suture operation and avoids infection problems for the parturient.

The present invention will be described in detail below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the structural representation of the drag hook that prior art adopts;

Fig. 2 is the first structural representation of the postpartum suturing dilator of the present invention;

Fig. 3 is the second structural representation of the postpartum suturing dilator of the present invention;

Fig. 4 is a schematic structural view of the barrel shown in Fig. 3;

Fig. 5 is a structural schematic diagram of the first arc-shaped body of the barrel shown in Fig. 4;

Fig. 6 is a schematic diagram of the first structure of the second arc-shaped body of the cylinder shown in Fig. 4;

Fig. 7 is a schematic diagram of the second structure of the second arc-shaped body of the barrel shown in Fig. 4 .

Detailed ways

As shown in Fig. 2 and Fig. 3, it is a schematic structural view of the postpartum suture dilator provided by the present invention. As can be seen from Fig. 2 and Fig. 3, the postpartum suture dilator of the present invention includes: a cylinder 1 for stretching the postpartum vaginal wall ; The drainage assembly used to drain the blood in the uterine cavity through the cylinder 1; wherein, the side wall of the cylinder 1 is provided with a gap for exposing the vaginal wall to be sutured.

Specifically, the cylindrical body 1 of the present invention can adopt the structure shown in Figure 2, the cylindrical body 1 is conical, and the large end of the cylindrical body 1 is provided with a rib 11 extending outward in the radial direction of the cylindrical body, when the cylindrical body 1 The small end of the tube is forward and inserted into the vagina of the puerpera, and the vaginal wall of the puerpera is stretched through the cylinder 1, while the sidewall 11 can just block the outer edge of the puerpera's vagina, so that the vagina can be fully exposed.

A handle 2 that is convenient for the operator to hold is provided on the outer edge of the rib 11 , and the length extension direction of the handle 2 can be consistent with the extension direction of the generatrix of the cylinder body 1 . A notch is provided on the side wall of the cylindrical body 1, so that the part to be sutured of the puerpera's vaginal wall is exposed through the notch, and it is convenient for the operator to sew up the part to be sutured.

Wherein, as shown in Figure 2, the dilator of the present invention also includes a drainage assembly that can pass through the cylinder body 1, which includes: a drainage tube 3 that is inserted into the cervix of the puerpera's uterine cavity at one end, through the drainage tube 3, can Drain the blood in the uterine cavity out of the body so that the smooth progress of the operation will not be affected by the outflow of blood in the uterine cavity during the suturing operation.

Further, as shown in FIG. 2 , the drainage assembly of the present invention also includes: a balloon 4 sleeved on the outer wall of the drainage tube 3 and disposed near the one end of the drainage tube. The cervix, in order to fix the drainage tube 3 on the cervix, so that the drainage tube 3 will not be detached from the cervix, so that the blood in the uterine cavity will not flow into the vagina to block the operation field, and the blood in the uterine cavity will be completely drained To the outside of the body, which is conducive to the smooth progress of the suture operation and avoids infection and other problems for the puerpera. Preferably, the balloon 4 is made of elastic material.

Preferably, in order to make the balloon 4 have a certain weight and can be tightly pressed against the cervix, the present invention is provided with a liquid injection port 5 for injecting liquid into it on the balloon 4, and injects liquid into the balloon 4 through the liquid injection port 5. 4. Fill in a certain amount of liquid, such as water. And in order to prevent the liquid injected into the balloon 4 from flowing back out of the balloon 4, a stopper (not shown) that is plugged and connected with the liquid injection port 5 can be arranged at the liquid injection port 5.

In order to facilitate the collection of blood drained by the drainage tube, the drainage assembly of the present invention further includes a drainage bag 6 connected to the other end of the drainage tube 3 , and the drainage bag 6 contains the blood drained by the drainage tube 3 .

Wherein, the cylinder body 1 of the present invention can be made of steel parts, and can also be made of disposable materials commonly used in medical equipment. It is made by molding separately and then assembling together.

And in order to adjust the support area of cylinder body 1 according to puerpera's vagina size difference, that is, change the surface area of cylinder body 1 according to puerpera's vagina size, postpartum suturing dilator of the present invention can also adopt the structure as shown in Figure 3, namely , The cylindrical body 1 shown in FIG. 2 is assembled from two arc-shaped bodies shown in FIG. 4 .

Specifically, as shown in FIG. 4 , the barrel 1 includes a tapered first arc-shaped body 7 and a tapered second arc-shaped body 8, and the first arc-shaped body 7 and the second arc-shaped body 8 pass through The detachable connection is assembled into one, for example, connected as one by screws 9 or bolts or rivets.

Wherein, as shown in FIG. 5 , the outer edge of the large end of the first arc-shaped body 7 is provided with an annular rib 11 a extending outward along the radial direction of the large end, and the handle 2 is connected with the rib 11 a as a whole.

And as shown in Fig. 6, Fig. 7, the second arc body 8 comprises the first arc portion 81 and the second arc portion 83 connected with the top end of the first arc portion 81, the second arc portion 83 and the first arc portion An arc-shaped body 7 is detachably connected as one, and the outer edge of the large end of the second arc-shaped portion 83 is provided with an annular rib 11b extending outward along the radial direction of the large end, and the outer edge of the rib 11b and the outer edge of the rib 11a The edge radius is the same.

Wherein, the radius of the outer wall of the first arc portion 81 is less than or equal to the radius of the inner wall of the first arc body 7, the radius of the outer wall of the second arc portion 83 is the same as the radius of the outer wall of the first arc body 7, when the second arc When the body 8 is connected with the first arc-shaped body 7, the outer surface of the formed cylinder can be on the same circumference, and the rib 11b and the rib 11a can block the outer edge of the puerpera's vagina.

As shown in Figure 6, a plurality of rows of threaded holes 82 or through holes (2 rows are shown in the figure) are provided along the circumference of the first arc portion 81, and each row of threaded holes 82 or through holes includes a tapered first arc. A plurality of threaded holes or through holes arranged in sequence in the extending direction of the bus bar of the part 81. Correspondingly, a row of threaded holes 82 or through holes matching the position and size of the first arcuate part 81 is provided on the first arcuate body 7. The threaded holes 71 or through holes (as shown in Figure 5), so that according to the size of the vagina, the screws 9 or bolts can be selectively passed through a row of through holes of the second arc body 8, and then through the first arc Shaped body 7, so that the first arc-shaped body 7 and the second arc-shaped body 8 are connected as a whole.

Or, as shown in Figure 7, a row of elongated holes 84 can also be set on the first arc portion 81, and a row of threaded holes 82 or through holes can be set on the first arc body 7, which can also be achieved by the first arc body 7. The purpose of adjusting the surface area of the cylindrical body formed after the assembly of the first arc body and the second arc body.

Of course, a row of threaded holes 82 or through holes can also be set on the first arc-shaped part, and a row of elongated holes can be set on the first arc-shaped body 7, so that the surface area of the cylinder can be adjusted, and thus the cylinder can be adjusted. The purpose of body support area.

And the handle 2 can also be arranged on the big end of the second arc body 8 (not shown in the figure) except that it can be arranged on the big end of the first arc body 7 (as shown in FIG. 5 ).

When using the postpartum suturing dilator of the present invention, hold the handle 5, and insert the small end of the cylinder body 1 forward into the puerpera's vagina, so that the outer wall of the cylinder body 1 contacts the vaginal wall and stretches the vaginal wall, and the cylinder body 1 1 exposes the side cut vaginal wall of the parturient, so that the operator can successfully suture the vaginal wall with the wound during the subsequent suturing operation.

Before suturing, one end of the drainage tube 3 of the drainage assembly is inserted into the cervix of the puerpera, and the balloon 4 is pressed against the cervix, so that the blood in the uterine cavity can be drained into the drainage bag, thereby performing the suturing operation. When the operation is performed, the tail gauze will not be inserted into the vagina to cover the operation field due to the blood flowing out into the vagina, which is conducive to the smooth progress of the suture operation and avoids problems such as infection to the puerpera.

Although the present invention has been described in detail above, the present invention is not limited thereto, those skilled in the art can make modifications according to the principle of the present invention, therefore, all various modifications carried out according to the principle of the present invention should be understood as into the protection scope of the present invention.

Claims (10)

1. A postpartum suturing dilator, characterized in that, comprising: A cylinder used to stretch the vaginal wall after childbirth; a drainage assembly for drainage of blood in the uterine cavity passing through the barrel; Wherein, the side wall of the barrel is provided with a gap for exposing the part of the vagina wall to be sutured. 2 . The postpartum suture dilator according to claim 1 , wherein the barrel is tapered. 3 . 3. The postpartum suturing dilator according to claim 1 or 2, wherein the drainage assembly comprises: a drainage tube whose one end is used to be inserted into the cervix of the uterine cavity. 4. The postpartum suture dilator according to claim 3, wherein the drainage assembly further comprises: a balloon connected to the outer wall of the drainage tube and arranged near the one end of the drainage tube for The drainage tube is fixed at the cervix of the uterine cavity. 5 . The postpartum suture dilator according to claim 4 , wherein a liquid injection port for injecting liquid into the balloon is provided on the balloon. 6 . 6 . The postpartum suturing dilator according to claim 3 , wherein the drainage assembly further comprises: a drainage bag connected to the other end of the drainage tube, for containing the blood drained by the drainage tube. 7 . The postpartum suture dilator according to claim 1 , further comprising: a handle connected to one end of the cylinder to facilitate holding the cylinder. 8 . 8 . The postpartum suture dilator according to claim 7 , wherein the handle is arranged at the large end of the barrel. 9 . The postpartum suture dilator according to claim 1 , wherein the barrel comprises a first arc-shaped body and a second arc-shaped body that are detachably connected. 10. The postpartum suture dilator according to claim 1 or 9, characterized in that, the large end of the barrel is provided with a rib.