CN219374801U - Postpartum uterine bleeding control system - Google Patents
Postpartum uterine bleeding control system Download PDFInfo
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- CN219374801U CN219374801U CN202320662123.6U CN202320662123U CN219374801U CN 219374801 U CN219374801 U CN 219374801U CN 202320662123 U CN202320662123 U CN 202320662123U CN 219374801 U CN219374801 U CN 219374801U
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Abstract
The utility model relates to the technical field of medical equipment, and discloses a postpartum uterine bleeding control system which comprises a double-cavity catheter, an injector, external negative pressure equipment, a suction piece for being inserted into uterus and a clamping piece for clamping a uterine orifice, wherein one end of the double-cavity catheter is provided with the suction piece and the clamping piece, and the other end of the double-cavity catheter is respectively connected with the injector and the external negative pressure equipment through a sealing valve; the double-cavity catheter is internally provided with a negative pressure cavity communicated with the suction piece and an injection channel communicated with the clamping piece, the clamping piece is made of high-adsorptivity materials, and when the syringe injects physiological saline into the sealing valve, the clamping piece expands to clamp and seal the uterine orifice. The postpartum uterine bleeding control system has the advantages of short operation time, quick response and hemostatic effect, and the clamping piece can clamp and seal the uterine orifice of a puerpera, so that the infection risk of the puerpera is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a postpartum uterine bleeding control system.
Background
The puerpera is extremely prone to postpartum hemorrhage due to uterine tension deficiency, so that the puerpera needs to receive multiple blood transfusions, and in severe cases, the puerpera needs to completely cut off the uterus, and even the puerpera can die.
In order to reduce the risk of postpartum hemorrhage of puerpera, oxytocin reagent, hormonal reagent and the like which can induce muscle contraction are conventionally used for treating postpartum hemorrhage, but research has shown that the use of oxytocin reagent does not obviously reduce the incidence rate of postpartum hemorrhage or blood loss, and even can increase the risk of uterine tension loss.
Currently, pharmaceutical companies have developed a post-partum hemostatic bag that can be inserted into the uterus and inflated to press the inner wall of the uterus outwardly to tamponade the bleeding blood vessel and thereby control or reduce post-partum bleeding. But the post partum hemostatic bag has long operation time, poor hemostatic effect and high infection risk.
In summary, how to provide a safe and effective postpartum uterine bleeding control system is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the utility model aims to provide a postpartum uterine bleeding control system which has short operation time, quick effect and hemostatic effect, and the clamping piece can clamp and seal the uterine orifice of a puerpera, so that the infection risk of the puerpera is effectively reduced.
In order to achieve the above object, the present utility model provides the following technical solutions:
the postpartum uterine bleeding control system comprises a double-cavity catheter, an injector, external negative pressure equipment, a suction piece for being inserted into uterus and a clamping piece for clamping a uterine orifice, wherein one end of the double-cavity catheter is provided with the suction piece and the clamping piece, and the other end of the double-cavity catheter is respectively connected with the injector and the external negative pressure equipment through a sealing valve;
the double-cavity catheter is internally provided with a negative pressure cavity communicated with the suction piece and an injection channel communicated with the clamping piece, the clamping piece is made of high-adsorptivity materials, and when the syringe injects physiological saline into the sealing valve, the clamping piece expands to clamp and seal the uterine orifice.
Preferably, the outer surface of the suction piece is provided with a slow-release hemostatic drug coating.
Preferably, the surface of the suction piece is provided with a plurality of suction holes for conveying body fluid in the uterus outwards.
Preferably, the suction piece comprises a suction duct, and both ends of the suction duct are communicated with the negative pressure cavity.
Preferably, the suction catheter is curved in a near-O-shaped configuration.
Preferably, the sealing valve is Y-shaped, and the sealing valve comprises a negative pressure cavity interface used for being connected with the negative pressure cavity, an injector interface used for being connected with the injector and a negative pressure equipment interface used for being connected with external negative pressure equipment, and the injector interface is communicated with the injection channel.
Preferably, the negative pressure equipment interface is connected with the drainage tube of the external negative pressure equipment through a vacuum connector.
Preferably, the suction piece, the clamping piece and the double-cavity catheter are all silica gel injection pieces.
When the postpartum uterine bleeding control system provided by the utility model is used, firstly, the suction piece is inserted into the uterus of a puerpera, and the clamping piece is aligned to the uterine opening of the puerpera; then, the normal saline is injected into the sealing valve by using the injector, and enters the clamping piece through the injection channel of the double-cavity catheter, so that the clamping piece is expanded and tightly attached to the uterine opening of the puerpera, and the uterine opening of the puerpera is clamped and sealed; finally, an external negative pressure device is started, and an intrauterine negative pressure environment is established and maintained so as to induce uterine contraction and fill bleeding blood vessels.
Compared with the existing postpartum hemostat, the postpartum uterine bleeding control system provided by the utility model has the advantages of short operation time, quick response and hemostatic effect, and the clamping piece can clamp and seal the uterine orifice of a puerpera, so that the infection risk of the puerpera is effectively reduced.
Preferably, the outer surface of the suction piece can be provided with a slow-release hemostatic drug coating, so that the hemostatic drug can be slowly released into the bleeding blood vessel, and the device is safer and more stable.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system for controlling postpartum uterine bleeding according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of the assembly of a dual lumen catheter and sealing valve;
FIG. 3 is a schematic view of the principle of expansion of the clamp of the postpartum uterine bleeding control system;
fig. 4 is a schematic view of the expansion principle of another clamping member of the postpartum uterine bleeding control system.
In fig. 1-4:
1 is a suction piece, 2 is a clamping piece, 3 is a double-cavity catheter, 31 is a negative pressure cavity, 32 is an injection channel, 4 is a sealing valve, 5 is an injector, 6 is an external negative pressure device, and 61 is a drainage tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The core of the utility model is to provide a postpartum uterine bleeding control system which has short operation time, quick effect and hemostatic effect, and the clamping piece can clamp and seal the uterine orifice of a puerpera, so that the infection risk of the puerpera is effectively reduced.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an embodiment of a postpartum uterine bleeding control system provided by the present utility model; FIG. 2 is a schematic illustration of the assembly of a dual lumen catheter and sealing valve; FIG. 3 is a schematic view of the principle of expansion of the clamp of the postpartum uterine bleeding control system; fig. 4 is a schematic view of the expansion principle of another clamping member of the postpartum uterine bleeding control system.
The utility model provides a postpartum uterine bleeding control system, which comprises a double-cavity catheter 3, an injector 5, an external negative pressure device 6, a suction piece 1 for being inserted into uterus and a clamping piece 2 for clamping a uterine orifice, wherein one end of the double-cavity catheter 3 is provided with the suction piece 1 and the clamping piece 2, and the other end of the double-cavity catheter 3 is respectively connected with the injector 5 and the external negative pressure device 6 through a sealing valve 4;
the double lumen catheter 3 is provided therein with a negative pressure lumen 31 for communicating with the suction member 1 and an injection passage 32 for communicating with the clamping member 2, the clamping member 2 being made of a highly adsorptive material, and when the syringe 5 injects physiological saline into the sealing valve 4, the clamping member 2 expands to clamp and seal the uterine orifice.
Wherein, the suction piece 1 can be inserted into the uterus of a puerpera and is communicated with the external negative pressure equipment 6 through the negative pressure cavity 31 of the double-cavity catheter 3, so as to be matched with the external negative pressure equipment 6 to manufacture a negative pressure environment in the uterus; the suction piece 1 may in particular be provided as a suction head, a conduit or the like.
Preferably, the surface of the suction member 1 may be provided with a number of suction apertures for the outward of body fluids in the uterus in order to maintain a relatively clean and stable intrauterine environment. The specific number and shape of the suction holes are determined according to the actual production requirements, and will not be described here.
The clamping piece 2 is made of high-adsorptivity materials and swells when meeting normal saline, so that the uterus of a puerpera is clamped and sealed, the intrauterine environment is prevented from being directly communicated with the external environment, and the infection risk is effectively reduced. Preferably, the suction piece 1, the clamping piece 2 and the double-cavity guide pipe 3 can be all silica gel injection pieces, so that the manufacturing accuracy is high, and the device is suitable for mass production.
The specific shape of the clamping member 2 is not limited, and a drum-shaped structure as shown in fig. 3 may be provided, and when it is in contact with physiological saline, the inner wall is expanded and closely attached to the outer wall of the uterine opening, thereby sealing the uterine opening of the parturient; the structure of the double-layer limiting disc shown in fig. 4 can be provided, and after the inner-layer limiting disc is contacted with normal saline, the outer wall of the double-layer limiting disc is expanded and closely attached to the inner wall of the uterine opening, so that the uterine opening of a puerpera is sealed.
The double-cavity catheter 3 is internally provided with a negative pressure cavity 31 and an injection channel 32 which are mutually separated, the negative pressure cavity 31 is used for communicating the suction piece 1 and the external negative pressure equipment 6, and the injection channel 32 is used for providing a transport channel for physiological saline in the injector 5. Based on the above-described functions, the negative pressure chamber 31 is usually provided in the center of the double-lumen catheter 3, and the injection passage 32 is provided at the outer edge of the double-lumen catheter 3.
The sealing valve 4 is connected to the external end of the double-cavity catheter 3, and is a three-way valve, and three interfaces are respectively communicated with the negative pressure cavity 31 of the double-cavity catheter 3, the injector 5 and the external negative pressure equipment 6.
Preferably, referring to fig. 2, the sealing valve 4 is Y-shaped, and the sealing valve 4 includes a negative pressure chamber interface for connecting with the negative pressure chamber 31, a syringe interface for connecting with the syringe 5, and a negative pressure device interface for connecting with the external negative pressure device 6, the syringe interface being in communication with the injection channel 32.
In order to improve the sealing performance at the interface of the negative pressure device, it is preferable to provide that the interface of the negative pressure device is connected with a drain tube 61 of the external negative pressure device 6 through a vacuum joint.
The type, model, size, etc. of the syringe 5 and the external negative pressure device 6 are determined according to the actual production requirements, such as the injection amount of physiological saline, the negative pressure ambient pressure, etc., with reference to the prior art, and are not described herein.
In use, the suction piece 1 is first inserted into the uterus of a parturient and the clamping piece 2 is aligned to the uterine orifice of the parturient; then, physiological saline is injected into the sealing valve 4 by the injector 5, and enters the clamping piece 2 through the injection channel 32 of the double-cavity catheter 3, so that the clamping piece 2 is expanded and tightly attached to the uterine orifice of the puerpera, and the uterine orifice of the puerpera is clamped and sealed; finally, the external negative pressure device 6 is started, and an intrauterine negative pressure environment is established and maintained to induce uterine contraction and fill bleeding blood vessels.
Compared with the existing postpartum hemostasia sac, the postpartum uterine bleeding control system provided by the embodiment has the advantages of short operation time, quick effect and hemostatic effect, and the clamping piece 2 can clamp and seal the uterine orifice of a puerpera, so that the puerpera infection risk is effectively reduced.
Preferably, the outer surface of the suction piece 1 can be provided with a slow-release hemostatic drug coating, so that hemostatic drugs can be slowly released into bleeding vessels, and the bleeding vessels are safer and more stable. The slow-release hemostatic drug coating can be set as hemostatic drugs, anti-inflammatory drugs and the like, and the specific types and the dosage of the slow-release hemostatic drug coating are determined according to the actual production requirements by referring to the prior art, and are not repeated herein.
On the basis of the above embodiment, the suction piece 1 may comprise a suction duct, both ends of which communicate with the negative pressure chamber 31.
Preferably, the suction catheter can be bent into a near-O-shaped structure so as to adapt to the shape of the uterine cavity of the puerpera, and the suction catheter is convenient for supporting the uterine inner wall to a certain extent.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The postpartum uterine bleeding control system provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (8)
1. The postpartum uterine bleeding control system is characterized by comprising a double-cavity catheter, an injector, external negative pressure equipment, a suction piece for being inserted into uterus and a clamping piece for clamping a uterine orifice, wherein one end of the double-cavity catheter is provided with the suction piece and the clamping piece, and the other end of the double-cavity catheter is respectively connected with the injector and the external negative pressure equipment through a sealing valve;
the double-cavity catheter is internally provided with a negative pressure cavity communicated with the suction piece and an injection channel communicated with the clamping piece, the clamping piece is made of high-adsorptivity materials, and when the syringe injects physiological saline into the sealing valve, the clamping piece expands to clamp and seal the uterine orifice.
2. The postpartum uterine bleeding control system of claim 1, wherein the outer surface of the suction piece is provided with a slow release hemostatic drug coating.
3. The postpartum uterine bleeding control system according to claim 1, characterized in that the surface of the suction piece is provided with several suction holes for transporting body fluid in the uterus outwards.
4. The postpartum uterine bleeding control system of claim 1, wherein the suction piece comprises a suction catheter, both ends of which are in communication with the negative pressure lumen.
5. The postpartum uterine bleeding control system of claim 4, wherein the aspiration catheter is curved in a near-O-shaped configuration.
6. The postpartum uterine bleeding control system of any of claims 1-5, wherein the sealing valve is Y-shaped, the sealing valve comprising a negative pressure lumen interface for connection with the negative pressure lumen, a syringe interface for connection with the syringe, and a negative pressure device interface for connection with the external negative pressure device, the syringe interface in communication with the injection channel.
7. The postpartum uterine bleeding control system of claim 6, wherein the negative pressure device interface is connected with a drain tube of the external negative pressure device through a vacuum connector.
8. The postpartum uterine bleeding control system of any of claims 1-5, wherein the suction member, the clamping member and the dual lumen catheter are all silicone injection members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320662123.6U CN219374801U (en) | 2023-03-30 | 2023-03-30 | Postpartum uterine bleeding control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320662123.6U CN219374801U (en) | 2023-03-30 | 2023-03-30 | Postpartum uterine bleeding control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219374801U true CN219374801U (en) | 2023-07-21 |
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ID=87198483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320662123.6U Active CN219374801U (en) | 2023-03-30 | 2023-03-30 | Postpartum uterine bleeding control system |
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| Country | Link |
|---|---|
| CN (1) | CN219374801U (en) |
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- 2023-03-30 CN CN202320662123.6U patent/CN219374801U/en active Active
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