CN217987641U

CN217987641U - Negative pressure device for uterine cavity hemostasis

Info

Publication number: CN217987641U
Application number: CN202121212322.4U
Authority: CN
Inventors: 漆洪波; 陈露露
Original assignee: First Affiliated Hospital of Chongqing Medical University
Current assignee: First Affiliated Hospital of Chongqing Medical University
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-12-09
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a uterine cavity hemostasis negative pressure device, which comprises a long pipe, an intrauterine ring, an intrauterine balloon and a vaginal balloon, wherein one end of the long pipe is an embedding end, the other end of the long pipe is an exposed end, and a first channel, a second channel and a third channel are axially, coaxially and alternately arranged in the long pipe; the intrauterine ring is a hollow elastic pipeline, is arranged at the end part of the long pipe and is communicated with the first channel, a plurality of through holes are arranged on the inner side wall of the intrauterine ring at intervals along the circumferential direction of the intrauterine ring, and the through holes are communicated with the inner cavity of the intrauterine ring; the intrauterine balloon is in a neck pillow shape, is positioned at the end part of the placing end of the long pipe and wraps the outer side wall of the intrauterine ring, and is communicated with the second channel; the vaginal balloon is arranged on the long tube, is positioned at one side close to the intrauterine balloon and is communicated with the third channel. The negative pressure device for uterine cavity hemostasis can support and press the uterine cavity to stop bleeding, and can drain the intrauterine blood in a negative pressure manner sufficiently and quickly.

Description

Negative pressure device for uterine cavity hemostasis

Technical Field

The utility model relates to a negative pressure device, in particular to a uterine cavity hemostasis negative pressure device.

Background

Postpartum hemorrhage is the leading cause of death of pregnant and lying-in women worldwide, accounting for the leading cause of death of the lying-in women from the obstetrics. At present, the COOK balloon of Bakri is the most widely applied to postpartum hemorrhage hemostasis, and the COOK balloon can be used for patients who bleed postpartum in spontaneous labor and cesarean section and has good hemostasis effect. However, during use, the following problems are found: when the balloon is filled with water, the balloon is easy to fall off to the vagina after being filled with water, a doctor is required to fill a yarn strip in the vagina to prevent the balloon from falling off, and the vagina yarn strip is required to be taken out first and then the balloon is required to be taken out when the balloon is taken out. And the sliver may cause secondary trauma to the vagina. In addition, a control device for postpartum intrauterine bleeding is available abroad, a silicone long tube and an intrauterine ring are adopted in the control device, continuous negative pressure can be formed in an uterus in the control device, the intrauterine bleeding is fully drained, closure of the inner wall of the uterus is formed, and finally the hemostasis mode is realized, but the control device is inconvenient to use when the uterine cavity is very large and bleeding is too much and fast.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the to-be-solved technical problem of the utility model is to provide a palace chamber hemostasis negative pressure ware, can form to the palace chamber and support and hemostasis by compression, can also be with the abundant quick drainage play of negative pressure mode of intrauterine blood simultaneously.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a uterine cavity hemostasis negative pressure device, comprising:

one end of the long pipe is an embedded end, the other end of the long pipe is an exposed end, and a first channel, a second channel and a third channel are coaxially arranged in the long pipe along the axial direction and are arranged at intervals;

the intrauterine ring is a hollow elastic pipeline, is arranged at the end part of the placing end of the long pipe and is communicated with the first channel, a plurality of through holes are formed in the inner side wall of the intrauterine ring at intervals along the circumferential direction of the intrauterine ring, and the through holes are communicated with the inner cavity of the intrauterine ring;

the intrauterine balloon is in a neck pillow shape, is positioned at the end part of the placing end of the long pipe, is wrapped on the outer side wall of the intrauterine ring, and is communicated with the second channel; and

and the vaginal balloon is arranged on the long tube, is positioned at one side close to the intrauterine balloon and is communicated with the third channel.

Furthermore, valves are arranged on the second channel and the third channel.

Further, the through hole is located on the inner side surface of the intrauterine ring.

Further, the distance between the intrauterine balloon and the vaginal balloon is 2-4cm.

Further, the maximum water filling amount of the intrauterine balloon is 300-500mm, and the intrauterine balloon has a size in a non-filling state, the length of the intrauterine balloon along the axial direction is 7-9cm, and the width of the intrauterine balloon along the radial direction is 5-7cm.

Furthermore, the number of the through holes is 18-22, and the diameter of each through hole is 4-6mm. .

The utility model has the advantages that:

the uterine cavity hemostasis negative pressure device comprises a long tube, an intrauterine ring, an intrauterine balloon and a vaginal balloon, wherein one end of the long tube is an embedding end, the other end of the long tube is an exposed end, and a first channel, a second channel and a third channel are axially, coaxially and alternately arranged in the long tube; the intrauterine ring is a hollow elastic pipeline, is arranged at the end part of the long pipe and is communicated with the first channel, a plurality of through holes are arranged on the inner side wall of the intrauterine ring at intervals along the circumferential direction of the intrauterine ring, and the through holes are communicated with the inner cavity of the intrauterine ring; the intrauterine balloon is in a neck pillow shape, is positioned at the end part of the placing end of the long pipe and wraps the outer side wall of the intrauterine ring, and is communicated with the second channel; the vaginal balloon is arranged on the long tube, is positioned at one side close to the intrauterine balloon and is communicated with the third channel.

When in use, the intrauterine balloon is positioned in the uterus, and the vaginal balloon is positioned in the vagina and is propped against the outer wall of the cervix; after fluid is injected into the vaginal balloon and the intrauterine balloon, when the vaginal balloon and the intrauterine balloon are in an expansion state, the internal and external clamping state can be formed on the cervix, so that a relatively closed state is formed in the uterine cavity, and the negative pressure drainage is convenient to carry out. Meanwhile, the compression effect of the vaginal wall of the vaginal balloon can play a role in preventing the vaginal balloon from slipping out, so that the intrauterine balloon can be prevented from slipping out. In addition, when the intrauterine balloon is in the maximum expansion state and is basically consistent with the uterine cavity in size, the compression effect can be formed in the uterine cavity, so that the compression hemostasis is formed, and meanwhile, the negative pressure device can be prevented from slipping out of the uterine cavity. The intrauterine ring is elastic, so that the intrauterine ring can be conveniently placed into the uterine cavity from the cervix, and can be expanded and restored after being placed into the uterine cavity. When in use, the drainage can be carried out through the through holes on the water tank.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a schematic view of a uterine cavity hemostasis negative pressure device provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a uterine cavity hemostatic negative pressure device shown in FIG. 1;

FIG. 3 is a schematic view of the intrauterine ring of the negative hemostatic pressure device of FIG. 1 in an expanded state;

reference numerals:

100. a long tube; 110. an input end is arranged; 120. an exposed end; 130. a first channel; 140. a second channel; 150. a third channel; 200. an intrauterine balloon; 300. an intrauterine ring; 310. a through hole; 400. a vaginal balloon; 500. and (4) a valve.

Detailed Description

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 3, the utility model provides a negative pressure device for uterine cavity hemostasis, which comprises a long tube 100, an intrauterine balloon 200, an intrauterine ring 300 and a vaginal balloon 400, and is used for uterine cavity hemostasis and drainage.

Specifically, one end of the long tube 100 is an insertion end 110, the other end is an exposed end 120, and a first channel 130, a second channel 140 and a third channel 150 are axially arranged in parallel and at intervals in the long tube 100. Due to drainage, when the first channel 130 is used, the first channel 130 can be connected with an external continuous negative pressure suction device or a drainage bag, and the specific selection mode is selected according to the state of an illness. The second and third channels 140 and 150 are used to fill the intrauterine balloon 200 and vaginal balloon 400 with fluid, which may be liquid or gas, respectively, and which may preferably be sterile saline or air for ease of handling. The second and third channels 140, 150 should be connectable to an external fluid source. In the present embodiment, for convenience of operation and prevention of fluid outflow from the second and third passages 140 and 150, the valves 500 are disposed on the second and third passages 140 and 150. When the injection of the fluid is completed, the valve 500 is closed.

The intrauterine ring 300 is a hollow elastic tube, is disposed at the end of the long tube 100 and is communicated with the first channel 130, a plurality of through holes 310 are formed on the inner side wall of the intrauterine ring 300 at intervals along the circumferential direction thereof, and the through holes 310 are communicated with the inner cavity of the intrauterine ring 300. The intrauterine ring 300 is elastic, so that the intrauterine ring 300 is expanded and restored when positioned in the uterus in order to facilitate placement into the uterine cavity from the cervix. The through-hole 310 is for drainage. During drainage, the first channel 130 is connected to an external drainage device, and blood can be led out along the through hole 310.

In a preferred embodiment, the through-hole 310 is located on the inner side of the intrauterine ring 300. The through holes 310 are arranged on the inner side surface, so that the damage to the uterine wall caused by the direct adsorption of the negative pressure through holes 310 on the inner wall of the uterus can be avoided.

In the embodiment, the number of the through holes is 18-22, the diameter of the through holes is 4-6mm, and in the specific implementation, 5mm can be preferred, so that the drainage can be effectively carried out.

The intrauterine balloon 200 is in the shape of a neck pillow, is positioned at the end of the insertion end 110 of the long tube 100, and wraps the outer side wall of the intrauterine ring 300, and the intrauterine balloon 200 is communicated with the second channel 140. Before injecting the fluid, the intrauterine balloon 200 is in a relaxed state, and in use, the intrauterine balloon 200 is placed into the uterine cavity from the cervix, and then the second channel 140 is connected to a fluid source, and the valve 500 is opened, so that the fluid can be injected into the intrauterine balloon 200.

When the intrauterine saccule 200 is in the maximum expansion state, the size of the intrauterine saccule is basically consistent with that of the uterine cavity, and then the intrauterine saccule can press the uterine cavity, so that the compression hemostasis is formed. Meanwhile, the whole negative pressure device can be prevented from slipping out of the uterine cavity.

In specific implementation, the maximum water filling amount of the intrauterine balloon 200 is 300-500mm, the length of the intrauterine balloon 200 along the axial direction is 7-9cm, and the width of the intrauterine balloon 200 along the radial direction is 5-7cm. In specific implementation, in order to adapt to different customers, the intrauterine balloon 200 can be divided into a large size and a small size, for pregnant women in natural labor, twins and full term, the uterine cavity is larger, and meanwhile, the cervical canal regresses and the uterine orifice is looser, so that the large size intrauterine balloon 200 can be selected, and the large size can be manufactured approximately: the water filling amount of the intrauterine balloon 200 is 500mm, the length of the intrauterine balloon 200 along the axial direction is 9cm, and the width of the intrauterine balloon 200 along the radial direction is 7cm; for pregnant women who are induced by early abortion and middle pregnancy, the uterine cavity is small, the cervix is tight and long, a small-size intrauterine balloon 200 can be selected, and the size of the small size can be made as follows: the water filling amount of the intrauterine balloon 200 is 300mm, the length of the intrauterine balloon 200 along the axial direction is 7cm, and the width of the intrauterine balloon 200 along the radial direction is 5cm.

The vaginal balloon 400 is disposed on the elongated tube 100 and on a side thereof adjacent to the intrauterine balloon 200 and in communication with the third channel 150. When implementing, be located the vagina sacculus 400 to support and establish at the cervical outer wall, after to the fluid injection in vagina sacculus 400 and the intrauterine sacculus 200, when both slowly expand to the biggest state, then can form inside and outside centre gripping state to the cervix, and then make the intracavity of uterus form relative confined state, easily form the negative pressure, then be convenient for carry out the negative pressure drainage. Meanwhile, the pressing effect of the vaginal wall of the vaginal balloon 400 can play a role in preventing slipping, so that the intrauterine balloon 200 is preferably prevented from slipping out.

In this embodiment, the intrauterine balloon 200 is spaced from the vaginal balloon 400 by a minimum distance of 2-4cm. The shortest distance between the intrauterine balloon 200 and the vaginal balloon 400 is favorable for the effective clamping of the uterine neck by the intrauterine balloon 200 and the vaginal balloon 400. In specific implementation, when the selected intrauterine balloon 200 is large, the cervix of such patients is short, and the shortest distance between the intrauterine balloon 200 and the vaginal balloon 400 is set to be 2cm; when the intrauterine saccule 200 of chooseing for use is the trumpet, this type of patient's cervix is longer, then can be with intrauterine saccule 200 and vaginal saccule 400 interval shortest distance for setting up to 4cm, then can let the intrauterine saccule and the vaginal saccule after filling fully laminate with the internal orifice of cervix and uterus wall, form the hemostasis by compression, let the palace chamber form the enclosed environment more easily simultaneously, do benefit to the negative pressure and attract.

The application mode of the uterine cavity hemostasis negative pressure device is as follows:

when in use, the intrauterine balloon 200 and the vaginal balloon 400 are ensured to be in a relaxed state, then, a negative pressure device with a proper model is selected according to the condition of a patient, and the intrauterine balloon 200 is sent into the uterus from the cervix by the auxiliary forceps; then, connecting the first channel 130 with an external drainage device, respectively connecting the second channel 140 and the third channel 150 with an external fluid source, opening the valve 500, and filling fluid into the intrauterine balloon 200 and the vaginal balloon 400, so that the intrauterine balloon 200 and the vaginal balloon 400 are both in an expanded state; and then, starting an external drainage device to drain. During drainage, when bleeding is excessive, the continuous negative pressure suction apparatus is used for continuous negative pressure drainage; the drainage bag can be replaced after the bleeding is reduced.

When the intrauterine bleeding amount is obviously reduced, the fluid in the intrauterine saccule 200 and the fluid in the vaginal saccule 400 are sucked out, and the negative pressure device is taken out.

The uterine cavity hemostasis negative pressure device comprises: when in use, the intrauterine balloon 200 is positioned in the uterus, and the vaginal balloon 400 is positioned in the vagina and is abutted against the outer wall of the cervix; when fluid is injected into the vaginal balloon 400 and the intrauterine balloon 200, the two balloons swell and expand, so that an internal and external clamping state can be formed on the cervix, and further negative pressure in a relatively closed state is formed in the uterine cavity, and the negative pressure drainage is facilitated. Meanwhile, the compression effect of the vaginal wall of the vaginal balloon 400 can play a role in preventing slipping, so that the intrauterine balloon 200 is effectively prevented from slipping out. Meanwhile, when the intrauterine balloon 200 is in the maximum expansion state and is basically the same as the uterine cavity in size, the compression effect can be formed on the uterine cavity, so that the compression hemostasis is formed, and meanwhile, the negative pressure device can be prevented from slipping out of the uterine cavity.

The intrauterine ring 300 is elastic, so that the intrauterine ring can be placed into the uterine cavity from the cervix conveniently; furthermore, the through-hole 310 is located on the inner side of the intrauterine ring 300. The through hole 310 is arranged on the inner side surface, so that the inner wall of the uterine cavity can be prevented from being scratched by the edge of the through hole 310, and the safety is improved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A uterine cavity hemostasis negative pressure device is characterized by comprising:

2. The uterine cavity hemostasis negative pressure device of claim 1, wherein a valve is disposed on each of the second channel and the third channel.

3. The uterine cavity hemostasis negative pressure device of claim 1, wherein the through hole is located on an inner side surface of the intrauterine ring.

4. The uterine cavity hemostasis negative pressure device of claim 1, wherein the intrauterine balloon is spaced from the vaginal balloon by a distance of 2-4cm.

5. The uterine cavity hemostasis negative pressure device of claim 1, wherein the uterine balloon has a maximum water filling amount of 300-500mm and a size in a non-filling state, the uterine balloon has a length of 7-9cm along an axial direction and a width of 5-7cm along a radial direction.

6. The uterine cavity hemostasis negative pressure device of claim 1, wherein the number of the through holes is 18-22, and the diameter of the through holes is 4-6mm.