Uterine cavity drainage device for auxiliary suture after delivery
By designing a uterine cavity drainage device, blood in the uterine cavity is drained to the outside of the body. The amount of bleeding is observed by using a balloon fixation and a drainage bag. This solves the problems of difficulty in observing intrauterine bleeding after delivery and obstruction of the field of vision, and improves suturing efficiency and safety.
Patent Information
- Application Number
- CN202423095333.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-03-20
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Postpartum intrauterine bleeding is difficult to observe. Gauze packing can obstruct the suturing field and make it difficult to count the amount of bleeding, posing a potential medical error risk of gauze being left in the vagina.
Design a uterine cavity drainage device comprising a drainage cup, a drainage tube, a drainage bag, a balloon, and a balloon connecting tube. The drainage cup drains blood from the uterine cavity to the outside of the body, the balloon provides fixation and visual exposure, and the drainage bag is equipped with an indicator scale and a fluid level alarm for easy observation and counting of bleeding volume.
It enables rapid and accurate diagnosis of intrauterine bleeding and good exposure of the surgical field, reduces labor costs, increases suturing speed, avoids the risk of gauze left in the vagina, and accurately counts postpartum hemorrhage.
Smart Images

Figure CN224008778U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially for a kind of uterine cavity drainage device for postpartum auxiliary suture. BACKGROUND
[0002] After delivery, perineum laceration exists in different degrees, and after placenta is delivered, more blood in vagina flows out from uterine cavity, which affects midwife's perineum laceration suture operation. In the prior art, gauze is folded and stuffed into vagina to block blood from uterine cavity, to stop bleeding, and one person needs to use vaginal pull hook to expand and expose field of view to facilitate suture. After gauze is stuffed into vagina, uterine cavity bleeding is not convenient to observe and count blood volume, and gauze block absorbs limited blood volume, and one piece of gauze with tail is 30 milliliters when wet through, and gauze block needs to be replaced after wet through, which prolongs suture time, is not easy to count, and there is gauze left in vagina, which has medical error hidden danger. Gauze stuffing blocks upper end of vagina, which is not conducive to fully exposing suture field of view, and upper end of vagina laceration suture is difficult.
[0003] Therefore, it is urgent to design a uterine cavity drainage device to drain blood in uterine cavity without personnel assistance to expose field of view, which facilitates perineum laceration suture operation. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the deficiencies in the prior art and providing a uterine cavity drainage device for postpartum auxiliary suture.
[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] A uterine cavity drainage device for postpartum auxiliary suture includes drainage cup, drainage tube, drainage bag, first balloon, second balloon, third balloon and three balloon connecting tubes.
[0007] One end of the drainage tube is communicated with the drainage cup, and the other end is communicated with the drainage bag.
[0008] The drainage cup is funnel-shaped with upper part large and lower part small, and the lower part of the drainage cup is provided with a support part.
[0009] The first balloon is arranged at the upper part of the drainage cup, the second balloon and the third balloon are arranged at the lower part of the drainage cup, the second balloon is arranged outside the support part, and the third balloon is arranged inside the support part; the third balloon can drive the support part to change between the position parallel to the lower part of the drainage cup and the unfolded position; the first balloon, the second balloon and the third balloon are contracted to form a placing state, the first balloon is inflated, and the second balloon and the third balloon are contracted to form a first auxiliary state, so that a space is formed between the lower part of the drainage cup and the vagina; the first balloon, the second balloon and the third balloon are inflated to form a second auxiliary state.
[0010] Three balloon connecting pipes are arranged on the outer wall of the drainage tube and extend along the drainage tube and are communicated with the first balloon, the second balloon and the third balloon respectively.
[0011] As preferred, the drainage bag is a special-shaped bag, the upper part of the drainage bag is a rectangular bag body, the rectangular bag body is communicated with the drainage tube, and the lower part of the drainage bag is an inverted triangular bag body, and the end of the inverted triangular bag body is provided with a buckle.
[0012] As preferred, the drainage bag is provided with an indicating scale and a liquid level alarm, the indicating scale is used for indicating the liquid amount in the drainage bag, and the liquid level alarm is used for alarming when the liquid surface in the drainage bag reaches the high position where the liquid level alarm is located.
[0013] As preferred, the drainage bag is provided with an indicating scale and a liquid level alarm, the indicating scale is used for indicating the liquid amount in the drainage bag, and the liquid level alarm is used for alarming when the liquid surface in the drainage bag reaches the high position where the liquid level alarm is located.
[0014] As preferred, the drainage bag is provided with an indicating scale and a liquid level alarm, the indicating scale is used for indicating the liquid amount in the drainage bag, and the liquid level alarm is used for alarming when the liquid surface in the drainage bag reaches the high position where the liquid level alarm is located.
[0015] As preferred, the drainage bag is provided with an indicating scale and a liquid level alarm, the indicating scale is used for indicating the liquid amount in the drainage bag, and the liquid level alarm is used for alarming when the liquid surface in the drainage bag reaches the high position where the liquid level alarm is located.
[0016] As preferred, the drainage bag is provided with an indicating scale and a liquid level alarm, the indicating scale is used for indicating the liquid amount in the drainage bag, and the liquid level alarm is used for alarming when the liquid surface in the drainage bag reaches the high position where the liquid level alarm is located.
[0017] As preferred, the drainage bag is provided with an indicating scale and a liquid level alarm, the indicating scale is used for indicating the liquid amount in the drainage bag, and the liquid level alarm is used for alarming when the liquid surface in the drainage bag reaches the high position where the liquid level alarm is located.
[0018] As preferred, the drainage bag is provided with an indicating scale and a liquid level alarm, the indicating scale is used for indicating the liquid amount in the drainage bag, and the liquid level alarm is used for alarming when the liquid surface in the drainage bag reaches the high position where the liquid level alarm is located.
[0019] Compared with the prior art, the utility model has the advantages of:
[0020] (1) the uterine cavity drainage device for assisting suture after delivery provided by the utility model drains blood in the uterine cavity to the outside of the body without passing through the vagina, the degree of laceration and the bleeding condition of the laceration site are quickly and accurately judged during the suture process, the uterine cavity drainage device has a first auxiliary state and a second auxiliary state, which is beneficial to wound compression hemostasis and provides a good view for laceration suture, and solves the problem that uterine cavity bleeding is not easy to observe.
[0021] (2) the drainage cup of the uterine cavity drainage device for assisting suture after delivery provided by the utility model is funnel-shaped and large at the top and small at the bottom, which is convenient for drainage, the view of the suture site between the drainage cup and the uterine cavity is clear in the first auxiliary state, the upper end of the vagina is easy to suture, the suture speed is fast, which is beneficial to wound healing, and a special person is not needed to use a vaginal pull to fix to expand and expose the view, the problem that uterine cavity bleeding is not easy to observe and gauze is left in the vagina is solved, and the labor cost is reduced.
[0022] (3) The drainage bag of the uterine cavity drainage device for assisting suture after delivery is provided with an indicating scale, solves the problem of inconvenient statistics of the bleeding amount, and facilitates observation of the bleeding amount in the uterine cavity and statistics of the postpartum bleeding amount during the suture process. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a whole structure schematic view of the embodiment of the present application;
[0024] Figure 2 It is a structure schematic view of the placement state of the embodiment of the present application;
[0025] Figure 3 It is a cross-sectional schematic view of the placement state of the embodiment of the present application;
[0026] Figure 4 It is a structure schematic view of the first auxiliary state of the embodiment of the present application;
[0027] Figure 5 It is a cross-sectional schematic view of the first auxiliary state of the embodiment of the present application;
[0028] Figure 6 It is a cross-sectional schematic view of the second auxiliary state of the embodiment of the present application;
[0029] Figure 7 It is a cross-sectional schematic view of the balloon connecting pipe and the drainage pipe of the embodiment of the present application;
[0030] The drawing label: 1, drainage cup; 11, support part; 12, anti-overflow part; 2, drainage pipe; 3, drainage bag; 31, rectangular bag body; 32, inverted triangular bag body; 33, buckle; 34, hanging rope; 35, liquid level alarm; 41, first balloon; 42, second balloon; 43, third balloon; 5, balloon connecting pipe; 6, negative pressure ball; 7, anti-reflux valve; 8, cervix; 9, vagina. DETAILED DESCRIPTION
[0031] The utility model makes further explanation below combining with the drawings and specific embodiment. The drawings of the utility model are only for being easier to understand the utility model, and its specific proportion can be adjusted according to design demand. The up-down relationship and the definition of front surface / back surface of the relative elements in the figure described in the paper should be understood as the relative position of the component by the person skilled in the art, so it can be reversed to show the same component, and it should all belong to the range disclosed in the specification.
[0032] Reference Figures 1 to 7 The present application proposes a uterine cavity drainage device for assisting suture after delivery, which comprises a drainage cup 1, a drainage pipe 2, a drainage bag 3, a first balloon 41, a second balloon 42, a third balloon 43, three balloon connecting pipes 5, a negative pressure ball 6 and an anti-reflux valve 7.
[0033] Reference Figure 1 and Figure 2 The drainage cup 1 is a medical silica gel cup, one end of the drainage tube 2 is communicated with the drainage cup 1, and the other end is communicated with the drainage bag 3; the drainage cup 1 is funnel-shaped with a large upper part and a small lower part, which is conducive to drainage, and the top of the drainage cup 1 is provided with an anti-overflow part 12, the inner diameter of the anti-overflow part 12 is smaller than the inner diameter of the drainage cup 1. Reference Figure 2 and Figure 6 The lower part of the drainage cup 1 is provided with a support part 11; the first balloon 41 is arranged at the upper part of the drainage cup 1, the second balloon 42 and the third balloon 43 are arranged at the lower part of the drainage cup 1, and the second balloon 42 is arranged outside the support part 11, and the third balloon 43 is arranged inside the support part 11; the third balloon 43 can drive the support part 11 to change between a position parallel to the lower part of the drainage cup 1 and a deployed position. Reference Figure 2 and and Figure 3 The first balloon 41, the second balloon 42 and the third balloon 43 are contracted to form a placement state; reference Figure 4 and Figure 5 The first balloon 41 is inflated, the second balloon 42 and the third balloon 43 are contracted to form a first auxiliary state, the first balloon 41 is inflated to fix the drainage cup 1 at the root of the cervix 8, to press and stop bleeding of the laceration wound, and to drain blood in the uterine cavity out of the body, and the second balloon 42 and the third balloon 43 are contracted to form a space between the lower part of the drainage cup 1 and the vagina, which is conducive to fully exposing the field of view during suturing, and is conducive to suturing the laceration at the upper end of the vagina 9, which not only solves the problem that uterine cavity bleeding is not easy to observe and gauze is left in the vagina, but also eliminates the need for a dedicated person to use a vaginal traction hook to fix and expand the field of view, thereby reducing labor costs; reference Figure 1 and Figure 6 The first balloon 41, the second balloon 42 and the third balloon 43 are inflated to form a second auxiliary state, so as to continue to press and stop bleeding and suture the laceration. The three balloon connecting tubes 5 penetrate into the drainage tube 2 from the outer wall of the drainage tube 2 and extend along the drainage tube 2, and are respectively communicated with the first balloon 41, the second balloon 42 and the third balloon 43, reference Figure 7 The three balloon connecting tubes 5 are circumferentially arranged in the drainage tube 2 to avoid blocking the blood passing through the drainage tube 2; the negative pressure ball 6 is arranged between the drainage bag 3 and the drainage cup 1, for providing negative pressure to the drainage cup 1, so as to facilitate the drainage of blood or small blood clots; the anti-backflow valve 7 is arranged on the upper part of the drainage tube 2 and on the side close to the drainage bag 3 of the negative pressure ball 6.
[0034] In a specific embodiment, the drainage bag 3 is a special-shaped bag, the upper part of the drainage bag 3 is a rectangular bag body 31, the rectangular bag body 31 is in communication with the drainage tube 2; the lower part of the drainage bag 3 is an inverted triangular bag body 32, the end of the inverted triangular bag body 32 is provided with a buckle 33, when the blood volume exceeds the set capacity of the drainage bag 3, the buckle 33 at the bottom is opened to empty the blood in the drainage bag 3, and the blood can be collected again; the drainage bag 3 is provided with a hanging rope 34, the hanging rope 34 is located on the rectangular bag body 31, and the hanging rope 34 is used for hanging the drainage bag 3, and the fixing is convenient. The drainage bag 3 is provided with an indication scale and a liquid level alarm 35, the indication scale is used for indicating the liquid volume in the drainage bag 3, the blood volume is conveniently counted, and the liquid level alarm 35 is used for alarming when the liquid surface in the drainage bag 3 reaches the high position where the liquid level alarm 35 is located.
[0035] The working principle of the uterine cavity drainage device for postpartum auxiliary suture is as follows:
[0036] After the placenta is delivered, the cervix 8 is fully exposed, the first balloon 41, the second balloon 42 and the third balloon 43 are contracted to form a placement state, and the drainage cup 1 is placed at the root of the cervix 8. Then gas or liquid is injected into the balloon connecting pipe 5 corresponding to the first balloon 41, so that the first balloon 41 is inflated, at this time the second balloon 42 and the third balloon 43 are contracted to form a first auxiliary state, the drainage cup 1 is fixed to the root of the cervix 8, so that it is not easy to fall off, and the wound of the laceration is compressed to stop bleeding, and the injection of liquid into the air bag can also cool the wound. In the first auxiliary state, the blood is drained along the cup body of the drainage cup 1 into the drainage tube 2 and out of the body, without passing through the vagina 9, avoiding blocking the suture field of view, and a space is formed between the lower part of the drainage cup 1 and the vagina 9, which is beneficial to fully expose the field of view during suture and beneficial to suture of the laceration at the upper end of the vagina 9. After the upper end of the vagina 9 is sutured, gas or liquid is injected into the balloon connecting pipe 5 corresponding to the second balloon 42 and the third balloon 43, so that the second balloon 42 and the third balloon 43 are inflated, and the third balloon 43 is inflated to drive the support part 11 to move from a position parallel to the lower part of the drainage cup 1 to an unfolded position, so as to move the inflated second balloon 42 towards the outside of the drainage cup 1, which is beneficial to continue suture at other positions. After suture is completed, the gas or liquid in the first balloon 41, the second balloon 42 and the third balloon 43 is extracted through the balloon connecting pipe 5, and the uterine cavity drainage device is removed.
[0037] The uterine cavity drainage device for postpartum auxiliary suture provided by the application can directly drain the blood in the uterine cavity to the drainage bag 3 outside the body through the drainage cup 1 and the drainage tube 2 without passing through the vagina 9, so as to provide a good suture field, quickly and accurately judge the degree of laceration and the bleeding condition of the laceration site during the suture process, clearly see the suture site field, easily suture the top end, quickly suture, be beneficial to wound healing, solve the problems that the uterine cavity bleeding is not easy to observe and the gauze is left in the vagina 9; further, the negative pressure ball 6 and the anti-backflow valve 7 are further arranged on the drainage tube 2, negative pressure suction is utilized, blood drainage is facilitated, and backflow is prevented; the drainage bag 3 is provided with an indicating scale, the amount of postpartum bleeding is directly observed during the suture process, the amount of postpartum bleeding is facilitated to be counted, and a liquid level alarm 35 is further arranged to facilitate monitoring of the amount of bleeding.
[0038] The above embodiments are only used to further illustrate the technical scheme of the application, but the application is not limited to the embodiments, and any simple modification, equivalent change and modification made according to the technical essence of the application to the above embodiments all fall within the protection scope of the technical scheme of the application.
Claims
1. A uterine drainage device for assisting suturing after childbirth, characterized in that: It includes a drainage cup, drainage tube, drainage bag, first balloon, second balloon, third balloon, and three balloon connecting tubes; One end of the drainage tube is connected to the drainage cup, and the other end is connected to the drainage bag; The drainage cup is funnel-shaped, wider at the top and narrower at the bottom, and a support is provided at the bottom of the drainage cup; The first balloon is positioned at the upper part of the drainage cup, and the second and third balloons are positioned at the lower part of the drainage cup. The second balloon is positioned on the outer side of the support portion, and the third balloon is positioned on the inner side of the support portion. The contraction or expansion of the third balloon can cause the support portion to change between a position parallel to the lower part of the drainage cup and an expanded position. When the first, second, and third balloons are contracted, they form a placement state. When the first balloon is expanded and the second and third balloons are contracted, they form a first auxiliary state, so that a clearance space is formed between the lower part of the drainage cup and the vagina. When the first, second, and third balloons are expanded, they form a second auxiliary state. The three balloon connecting tubes penetrate the drainage tube from the outer wall of the drainage tube and extend along the drainage tube, respectively communicating with the first balloon, the second balloon and the third balloon.
2. The uterine cavity drainage device for assisting suturing after childbirth according to claim 1, characterized in that: The drainage bag is an irregularly shaped bag. The upper part of the drainage bag is a rectangular bag body, which is connected to the drainage tube. The lower part of the drainage bag is an inverted triangular bag body, and the end of the inverted triangular bag body is provided with a buckle.
3. The uterine cavity drainage device for assisting suturing after childbirth according to claim 1, characterized in that: The drainage bag is equipped with an indicator scale and a liquid level alarm. The indicator scale is used to indicate the amount of liquid in the drainage bag, and the liquid level alarm is used to sound an alarm when the liquid level in the drainage bag reaches the high position of the liquid level alarm.
4. A uterine cavity drainage device for assisting suturing after childbirth according to claim 1, characterized in that: It also includes a negative pressure ball, which is placed between the drainage bag and the drainage cup to provide negative pressure to the drainage cup.
5. A uterine cavity drainage device for assisting suturing after childbirth according to claim 4, characterized in that: It also includes an anti-backflow valve, which is installed on the drainage tube and located on the side of the negative pressure ball near the drainage bag.
6. A uterine cavity drainage device for assisting suturing after childbirth according to claim 1, characterized in that: The drainage bag is equipped with a hanging rope, which is used to hang the drainage bag.
7. A uterine cavity drainage device for assisting suturing after childbirth according to claim 1, characterized in that: The top of the drainage cup is provided with an overflow prevention part, the inner diameter of which is smaller than the inner diameter of the drainage cup.
8. A uterine cavity drainage device for assisting suturing after childbirth according to claim 1, characterized in that: The three balloon connecting tubes are arranged circumferentially in the drainage tube.
9. A uterine cavity drainage device for assisting suturing after childbirth according to claim 1, characterized in that: The drainage cup has a medical-grade silicone body.