CN206026751U - Built -in colporrhagia negative pressure drainage metering device of obstetrical department - Google Patents

Abstract

The utility model discloses a built-in obstetric vaginal bleeding negative pressure drainage metering device, which comprises a blood collector for receiving vaginal bleeding and a negative pressure drainage bag connected with the blood collector through a double-cavity tube; the blood collector The wall of the device is a double-layer hollow wall, and a sealed cavity is formed between the inner wall and the outer wall of the blood collector. The material of the blood collector is flexible material; The drainage part of the pressure drainage bag and the guide part for introducing sterile saline into the cavity; the built-in obstetric vaginal bleeding negative pressure drainage metering device can timely drain and collect vaginal bleeding during cesarean section and postpartum, real-time and accurate Measuring the amount of bleeding helps doctors quickly and accurately judge the amount of intrapartum and postpartum hemorrhage, which is conducive to early detection and timely rescue of postpartum hemorrhage.

Description

Built-in obstetric vaginal bleeding negative pressure drainage metering device

technical field

The utility model relates to the field of medical instruments, in particular to a built-in obstetric vaginal bleeding negative pressure drainage metering device.

Background technique

At present, intrapartum and postpartum hemorrhage have always been important factors that threaten the life and health of puerpera; in clinical practice, for cesarean section bleeding, in addition to accurate measurement of bleeding during abdominal surgery, for high-risk pregnant women such as placenta previa, During cesarean section with placenta accreta and dangerous placenta previa, the bleeding will flow out through the vagina to the buttocks and lower body of the pregnant woman under anesthesia in the supine position, and the amount of bleeding can only be determined by the assistant under the stage It is difficult to make accurate and timely judgments due to the rough estimation of the approximate wetted area of the pad towel, thus delaying the rescue of blood transfusion, changing the timing of the operation range, causing adverse maternal outcomes, and even the tragedy of maternal death; Blood may also accumulate in the vagina and lower uterine segment, resulting in a large amount of hemorrhage, which will affect postpartum uterine contraction and further induce bleeding.

Utility model content

In view of the above-mentioned shortcomings in the prior art, the built-in obstetric vaginal bleeding negative pressure drainage metering device provided by the utility model can drain and accurately measure vaginal bleeding in real time.

In order to achieve the purpose of the above-mentioned utility model, the technical solution adopted by the utility model is to provide a built-in obstetric vaginal bleeding negative pressure drainage metering device, which includes a blood collector for receiving vaginal bleeding and a double-cavity tube and blood collector. The negative pressure drainage bag connected to the blood collector; the wall of the blood collector is a double-layer hollow wall, and a sealed cavity is formed between the inner wall and the outer wall of the blood collector, and the material of the blood collector is flexible material; the double-lumen tube includes The drainage part is used to drain the blood in the blood collector to the negative pressure drainage bag and the guide part is used to introduce sterile physiological saline into the cavity.

Further, the guiding part is composed of a first tube body located inside the drainage part and a second tube body extending out of the drainage part; the first tube body communicates with the cavity, and a rubber valve is provided on the second tube body.

Further, the blood collector is a bowl-shaped structure, the height of the inner wall of the blood collector is lower than that of the outer wall, and an inclined surface is formed between the upper end of the inner wall and the upper end of the outer wall.

Further, the material of the blood collector is soft silica gel, and the Shore hardness of the soft silica gel is 50 degrees.

Further, the negative pressure inside the negative pressure drainage bag is 100mmHg.

Further, the negative pressure drainage bag is provided with scale marks.

Further, the lower end of the negative pressure drainage bag is provided with a discharge port, and a valve is provided at the discharge port.

Further, the volume of the cavity is 15ml-20ml.

Further, each corner of the blood collector is arc-shaped.

The beneficial effects of the utility model are:

1. Vaginal bleeding enters the negative pressure drainage bag from the blood collector, which is convenient for real-time drainage and measurement. Under the action of negative pressure in the negative pressure drainage bag, it can be quickly and fully drained into the negative pressure drainage bag through the drainage part to avoid bleeding. If the blood stays on the blood collector or the drainage part, it will coagulate into clots, causing blockage, and affecting the blood collection and drainage work.

2. Inject sterile physiological saline into the cavity through the guide part, so that the wall of the blood collector is closely attached to the inner wall of the vagina, fully and effectively collects vaginal bleeding, and ensures accurate measurement of vaginal bleeding.

3. The material of the blood collector is soft silica gel with a Shore hardness of 50 degrees. After injecting sterile saline into the cavity, it conforms to the contour of the vaginal cavity and fits closely with the inner wall of the vagina to fully and effectively collect vaginal bleeding and ensure the accuracy of vaginal bleeding measurement.

Description of drawings

Fig. 1 is a structural schematic diagram of a built-in obstetric vaginal bleeding negative pressure drainage metering device.

Fig. 2 is a cross-sectional view of the blood collector of the built-in obstetric vaginal bleeding negative pressure drainage metering device.

Among them: 1. Outer wall; 2. Inner wall; 3. Drainage part; 4. Guide part; 5. Cavity; 6. Negative pressure drainage bag; 7. Graduation line; , Valve; 11, rubber valve.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiment is only an embodiment of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the protection scope of the present utility model.

As shown in Figure 1, the built-in obstetric vaginal bleeding negative pressure drainage metering device includes a blood collector and a negative pressure drainage bag 6 connected to the blood collector through a double-lumen tube; Drainage and measurement of vaginal bleeding.

The wall of the blood collector of the built-in obstetric vaginal bleeding negative pressure drainage metering device is a double-layer hollow wall, and a sealed cavity 5 is formed between the inner wall 2 and the outer wall 1 of the blood collector; the double-lumen tube includes a drainage part 3 and the guide part 4; wherein, the drainage part 3 is used to drain the blood in the blood collector to the negative pressure drainage bag 6, and the guide part 4 is used to introduce sterile physiological saline into the cavity 5.

In a specific implementation, the vaginal bleeding collected by the blood collector can be quickly and fully drained into the negative pressure drainage bag 6 through the drainage part 3 under the negative pressure in the negative pressure drainage bag 6 to avoid blood retention On the blood collector or the drainage part 3, coagulate into agglomerates, causing blockage, and then affecting the effective execution of blood collection and drainage work.

The preferred embodiment of the utility model is: the negative pressure in the negative pressure drainage bag 6 is 100mmHg, which is about one-fifth to one-fourth of the negative pressure of the flow of people; , can fully and timely exclude intravaginal bleeding, which not only facilitates accurate statistics of bleeding volume, but also reduces vaginal pressure, thereby slowing down the discomfort of the puerpera during the bleeding process.

The negative pressure drainage bag 6 is provided with a scale line 7, which is convenient for real-time reading of the amount of bleeding collected by the negative pressure drainage bag 6, thereby providing timely and accurate judgment basis for vaginal bleeding, which is conducive to early detection and timely treatment of postpartum hemorrhage; The lower end of the negative pressure drainage bag 6 is provided with a liquid discharge port 8, and a valve 10 is provided at the liquid discharge port 8; if the blood volume increases rapidly and the negative pressure drainage bag 6 is filled, the blood can be discharged to the in the outer container.

The guide part 4 of the built-in obstetric vaginal bleeding negative pressure drainage metering device is composed of a first tube body located inside the drainage part 3 and a second tube body extending out of the drainage part 3; in specific implementation, the first tube body and The cavity 5 is connected, and is used to input sterile physiological saline into the cavity 5, and the volume of the cavity 5 is preferably 15ml to 20ml; a rubber valve 11 is provided on the second tube body, which is convenient for the doctor to use the syringe to guide Inject sterile saline in the part 4, and prevent the backflow of sterile saline during use.

A preferred embodiment of the utility model is: the material of the blood collector is flexible material, which is convenient for folding and stretching.

In the specific implementation, the unused blood collector is folded and sealed in a sterile storage bag; when in use, the storage bag is disassembled, and the folded blood collector is put into the vagina with fingers; after that, a syringe is inserted through the rubber The valve 11 injects an appropriate amount of sterile physiological saline into the cavity 5 through the guide part 4, so that the folded blood collector slowly stretches and fits closely to the vaginal inner wall 2 to collect vaginal bleeding to the maximum; When there is a lot of bleeding, use a syringe to pass through the rubber valve 11, and draw out the sterile saline in the cavity 5 through the guide part 4, so that the volume of the blood collector is reduced, and it is convenient to take it out from the puerpera's vagina.

During the implementation process, the blood collector is placed in the middle and lower part of the vagina, the insertion process is easy, the operation is convenient, and the patient is easy to accept; at the same time, the blood collector placed in the middle and lower part of the vagina is close to the vaginal opening; after injecting sterile saline On the one hand, the blood collector can be fixed by being close to the vaginal wall; Located at the top or middle of the vagina, it is close to the external os of the cervix. On the one hand, it is easy to slide down and is difficult to fix. On the other hand, it is close to the internal os of the cervix and the uterine cavity, increasing the risk of infection.

In the process of injecting sterile normal saline, the doctor injects the sterile normal saline slowly, observes the patient's subjective symptoms, pushes in an appropriate amount of sterile normal saline, and then gently pulls the negative pressure double-lumen tube outward to make the negative pressure The pressure drainage device is stuck in the middle and lower part of the vagina and cannot be pulled out; finally, wearing sterile gloves, confirm the position of the blood collector and the degree of adhesion to the wall with fingers in the vagina, and properly adjust the amount of sterile saline injected.

The material of the blood collector is preferably soft silica gel, and the Shore hardness of the soft silica gel is 50 degrees; soft silica gel is one of the four materials that can be permanently placed in the human body identified by WHO, and it is non-irritating to patients and has no allergic reaction. The puerpera can cause other harm; and it has excellent physiological inertia, tasteless, non-toxic, non-corrosive, anticoagulant, and good compatibility with the body, so as to avoid discomfort and pain for the puerpera when placing the blood collector.

The hardness of medical silica gel ranges from 40 to 80 degrees. In actual experiments, it is concluded that soft silica gel with a Shore hardness of 50 degrees is selected. Painful; and strong stretchability, after injecting sterile physiological saline into the cavity 5, it conforms to the contour of the vaginal cavity and fits closely with the vaginal inner wall 2, fully and effectively collects vaginal bleeding, and ensures accurate measurement of vaginal bleeding At the same time, it has electrical insulation, and it will not be affected when electrocoagulation is used to stop bleeding during the operation, and it can withstand harsh disinfection conditions.

The blood collector is a bowl-shaped structure, and the anatomy shows that the female vagina is a structure with a wide top and a narrow bottom, so the blood collector just matches the female vagina; in specific implementation, spherical, oval or other shapes can also be used. It has the shape of an arc; the height of the inner wall 2 of the blood collector is less than the height of the outer wall 1, the height of the inner wall 2 of the blood collector is lower than the height of the outer wall 1, and an inclined surface 9 is formed between the upper end of the inner wall 2 and the upper end of the outer wall 1, so that The small amount of blood that runs down the vaginal wall can flow adequately to the blood collector.

In specific implementation, the width of the vagina of the human body is about 2 to 3 cm, and the width of the vagina of a puerpera is 0.1 to 0.3 cm larger than usual; The diameter is 2.5cm; after injecting sterile physiological saline, the width of the cavity 5 varies from 0.1 to 0.3cm; the size of the blood collector matches the puerpera’s vagina; avoiding that the blood collector is too small and not compatible with The vagina is tightly fitted, resulting in large blood measurement errors; avoid excessive size of the blood collector, which will cause wrinkles and affect the blood collection effect.

As shown in Fig. 2, the preferred embodiment of the present invention is: the edges and corners of the blood collector are arc-shaped, which improves the comfort of the blood collector when it is put into the vagina.

In specific implementation, the built-in negative pressure drainage metering device for obstetric vaginal bleeding is used for intraoperative and postpartum initial high-risk periods of bleeding; at this time, the patient is under anesthesia or resting in bed, with little activity and an indwelling catheter ; In clinical use, the tube body of the drainage part 3 is fixed on the patient's thigh with adhesive tape to prevent the drainage part 3 from being overly active and being pulled.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. a kind of built-in obstetrics' colporrhagia negative pressure drainage metering device, it is characterised in that：Including for access colporrhagia Blood collection unit and the negative pressure drainage bag being connected with blood collection unit by double lumen tube；The wall of the blood collection unit is double Layer is formed with a sealed cavity, the material of the blood collection unit between hollow wall, and the inwall and outer wall of blood collection unit For flexible material；The double lumen tube is included for the blood in blood collection unit to be drained to the conduction part of negative pressure drainage bag and is used for The guidance part of SPSS is imported into the cavity.

2. built-in obstetrics' colporrhagia negative pressure drainage metering device according to claim 1, it is characterised in that：It is described to lead Draw portion to be made up of with the second body for extending conduction part the first body inside the conduction part；First body with The cavity connection, second body are provided with a rubber valve.

3. built-in obstetrics' colporrhagia negative pressure drainage metering device according to claim 1 and 2, it is characterised in that：Institute It is bowl structure to state blood collection unit, and the inside wall height of the blood collection unit is less than outer wall height, in inwall upper end and outer wall An inclined plane is formed between upper end.

4. built-in obstetrics' colporrhagia negative pressure drainage metering device according to claim 3, it is characterised in that：The blood The material of collection is soft silica gel, and the shore hardness of the soft silica gel is 50 degree.

5. the built-in obstetrics' colporrhagia negative pressure drainage metering device according to claim 1 or 4, it is characterised in that：Institute It is 100mmHg to state negative pressure value in the bag of negative pressure drainage bag.

6. built-in obstetrics' colporrhagia negative pressure drainage metering device according to claim 5, it is characterised in that：It is described negative Graduation mark is provided with pressure drainage bag.

7. built-in obstetrics' colporrhagia negative pressure drainage metering device according to claim 6, it is characterised in that：It is described negative The lower end of pressure drainage bag is provided with tap hole, is provided with a valve at the tap hole.

8. the built-in obstetrics' colporrhagia negative pressure drainage metering device according to claim 1,4 or 7, it is characterised in that： The volume of the cavity is 15ml ~ 20ml.

9. built-in obstetrics' colporrhagia negative pressure drainage metering device according to claim 8, it is characterised in that：The blood Each corner angle of collection are arc-shaped.