Device for preventing blood from splashing in coronary intervention

By using a sealed structure of T-tubes and connecting components in coronary intervention, combined with anti-splash and drainage components, sealed blood collection is achieved, solving the problem of blood splashing during coronary intervention, reducing the occupational exposure risk and cross-infection risk for medical staff, and ensuring safety and economic benefits.

CN223716204UActive Publication Date: 2025-12-26BEIJING DITAN HOSPITAL CAPITAL MEDICAL UNIVERSTY
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Patent Information

Application Number
CN202520219140.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-12-26
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Existing blood splash prevention devices cannot achieve a complete seal during coronary interventions, leading to blood splashing and increasing the risk of occupational exposure and cross-infection for healthcare workers, especially when dealing with patients with potential bloodborne diseases.

Method used

A blood splash prevention device for coronary intervention was designed. It uses a T-tube and connecting components. The sealing protrusions are in close contact with the inner wall of the T-tube and the threaded connection ensures the airtightness of the pipeline. Combined with the anti-splash component and the drainage component, it actively collects blood by using negative pressure drainage to reduce the risk of blood splashing.

Benefits of technology

It effectively prevents blood splashing, reduces the risk of occupational exposure for healthcare workers, reduces the possibility of cross-infection, ensures the safety of healthcare workers, especially when dealing with patients with potential bloodborne diseases, and reduces medical costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical auxiliary devices, in particular to a blood splashing prevention device in coronary intervention, which comprises an arterial duct, a T-shaped tube, a Y-shaped hemostasis valve, a three-way valve, a splashing prevention component and a drainage component. Splashed blood can be drained into the blood collecting bag through the T-shaped pipe, the flow direction of the blood in the arterial duct is controlled through the anti-splashing assembly and the drainage assembly by means of the pressure step difference, an interventional doctor is protected, meanwhile, precious rescue time is won for a patient, the device can purify the surgical field, estimate the bleeding amount in the operation and guarantee operation safety, and in addition, the device is convenient to use. According to the device, blood lost in the interventional operation can be collected in a closed-loop and centralized mode, medical dressing pollution and environmental pollution are reduced, medical waste treatment is optimized, secondary pollution is avoided, the material cost of the device is low, the economic burden of a patient cannot be additionally increased, and the actual problem in clinical work is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical auxiliary device technical field especially is a kind of blood splashing device in coronary intervention. BACKGROUND

[0002] Coronary intervention, generally refers to percutaneous coronary intervention (PCI), specifically refers to the catheter technique dredging stenosis even occluded coronary artery lumen, thereby improving the treatment method of myocardial blood perfusion, because the surgical operation of coronary intervention inevitably causes blood splashing or splashing, for some known merger or potential merger, cannot determine whether to merge blood-borne disease and need to receive coronary intervention crowd to carry out surgical operation caused by blood splashing / splashing leading to the occupational exposure or cross infection of medical staff occurs from time to time.

[0003] But existing blood splashing prevention device still has certain insufficient place when using, in the process of coronary intervention operation, since the air in pipe line needs to be discharged, blood flows from high-pressure end to low-pressure end, current conventional operation is to discharge blood to treatment towel, because pressure is higher, blood splashing, injection and so on are inevitable, therefore, existing technology cannot achieve complete sealing and the effect of reducing hemostasis and reducing blood splashing.In the operation for heart disease patient who is combined with blood-borne disease, if operator's own protection is not enough, it is very easy to cause cross infection through blood route, there is higher risk of occupational exposure, and it has produced huge threat to the occupation and personal safety of clinical intervention doctor. UTILITY MODEL CONTENT

[0004] In order to solve the technical problem that existing technology cannot achieve complete sealing and the effect of reducing hemostasis and reducing blood splashing, the utility model provides a blood splashing prevention device in coronary intervention.

[0005] The technical scheme provided by the utility model embodiment is as follows:

[0006] The utility model discloses a kind of blood splashing prevention devices in coronary intervention, including T pipe, the both ends of the horizontal pipeline of T pipe are provided with connecting assembly, the connecting assembly includes the connecting body of T pipe side face, the left side of the connecting body is provided with threaded connection part, the side of the connecting body is provided with abutment portion, the outer fixed connection of the abutment portion is provided with sealing lug, the inside of the connecting body is provided with through slot, the connecting body is connected with arterial catheter by threaded connection part screw thread on the side of the horizontal pipeline of T pipe, the abutment portion extends to the inside of T pipe on the side of the horizontal pipeline of T pipe, the sealing lug and the inner wall of T pipe abut on the side of the horizontal pipeline of T pipe, the abutment portion and the connection of T pipe on the side of the horizontal pipeline of T pipe are sealed by sealing gum.

[0007] The technical scheme provided by the utility model embodiment has at least the following beneficial effects:

[0008] In the utility model, the sealing structure of connecting assembly, especially the close contact of sealing lug and T pipe inner wall, and the stable connection of threaded connection part, ensure the sealing property inside pipe, reduce the risk of blood leakage. The device can prevent blood spatter during operation, thereby reducing the risk of occupational exposure of medical staff, especially when dealing with patients with potential blood-borne diseases, ensuring the safety of medical staff and reducing the possibility of cross infection. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical scheme in the utility model embodiment, the drawings needed in the embodiment description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0010] Figure 1 The overall schematic diagram of the blood splashing prevention device in coronary intervention provided by the utility model embodiment is shown in the figure.

[0011] Figure 2 The overall exploded schematic diagram of the blood splashing prevention device in coronary intervention provided by the utility model embodiment is shown in the figure.

[0012] Figure 3 The schematic diagram of the connecting assembly provided by the utility model embodiment is shown in the figure.

[0013] Figure 4 The schematic diagram of the drainage assembly provided by the utility model embodiment is shown in the figure.

[0014] Figure 5A schematic diagram of the anti-splashing assembly is provided for the embodiments of the present application.

[0015] [Reference signs]

[0016] 1, arterial catheter; 2, T-shaped pipe; 3, connecting assembly; 4, Y-shaped hemostatic valve; 5, screw joint; 6, three-way valve; 7, sealing cap; 8, regulating valve; 9, anti-splashing assembly; 10, drainage assembly; 301, connecting piece body; 302, sealing lug; 303, abutting portion; 304, threaded connection portion; 305, through slot; 901, one-way valve body; 902, high-pressure end; 903, low-pressure end; 904, valve cavity; 905, plug; 906, fixing piece; 907, fixed plate; 908, spring; 909, liquid inlet groove; 1001, drainage tube; 1002, negative pressure ball; 1003, connecting pipe; 1004, blood collection bag; 1005, mounting portion; 1006, scale.

[0017] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structure, device and environment, and those skilled in the art can adjust or modify these devices and environment according to specific needs. DETAILED DESCRIPTION

[0018] The technical solutions in the present application will be described below with reference to the drawings. It should be noted that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement them; and the drawings are only used to describe the embodiments in more detail, and are not intended to specifically limit the present application.

[0019] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of those skilled in the art to realize this feature, structure or characteristic in combination with other embodiments (whether or not explicitly described).

[0020] In general, the terminology can be understood at least in part from a context of a use of the language within a description. For example, the term “one or more” as used herein, depending at least in part upon a context of a

[0021] It is to be understood that the terms “on,” “over,” and “above” in the present disclosure are to be interpreted in the broadest possible way consistent with the context. Consequently, “on” or “over” or “above” something can mean not only that something is “directly on” or “over” the thing, but can also mean that there are intervening characteristics or layers between the thing and something that is “on” or “over” the thing. Also, “on” or “over” or “above” something can mean not only that something is “on” or “over” or “above” the thing, but can also mean that there are no intervening characteristics or layers between the thing and something that is “on” or “over” or “above” the thing.

[0022] In addition, spatially relative terms, such as “beneath,” “below,” “lower,” “above,” “upper” and the like, can be used herein for ease of description to describe one element or feature’s relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0023] As Figures 1 to 5As shown, the utility model discloses a kind of blood splashing prevention devices in coronary intervention, comprising: T pipe 2, the both ends of the horizontal pipeline of T pipe 2 are provided with connecting assembly 3, connecting assembly 3 includes the connecting body 301 of the side of T pipe 2, the left side of connecting body 301 is provided with threaded connection part 304, the side of connecting body 301 is provided with abutment 303, the outside of abutment 303 is fixedly connected with sealing lug 302, the inside of connecting body 301 is provided with through slot 305, the connecting body 301 of the side of the horizontal pipeline of T pipe 2 is screw-connected with arterial catheter 1 by threaded connection part 304, the abutment 303 of the side of the horizontal pipeline of T pipe 2 extends to the inside of T pipe 2, the sealing lug 302 of the side of the horizontal pipeline of T pipe 2 and the inner wall of T pipe 2 abut, the abutment 303 of the side of the horizontal pipeline of T pipe 2 and the connecting place of T pipe 2 are sealed by sealing gum, the connecting body 301 of the other side of the horizontal pipeline of T pipe 2 is screw-connected with Y type hemostasis valve 4 by threaded connection part 304, the abutment 303 of the other side of the horizontal pipeline of T pipe 2 extends to the inside of T pipe 2, the sealing lug 302 of the other side of the horizontal pipeline of T pipe 2 and the inner wall of T pipe 2 abut, the abutment 303 of the other side of the horizontal pipeline of T pipe 2 and the connecting place of T pipe 2 are sealed by sealing gum.

[0024] The technical scheme provided by the utility model embodiment has at least the following beneficial effects:

[0025] In the utility model, the sealing structure of connecting assembly, especially the close contact of sealing lug 302 and the inner wall of T pipe 2, and the stable connection of threaded connection part, ensure the sealing property inside pipe, reduce the risk of blood leakage.

[0026] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, the splash-proof assembly 9 comprises a one-way valve body 901 located at the bottom of the three-way valve 6, the top and bottom of the one-way valve body 901 are provided with high-pressure end 902 and low-pressure end 903 respectively, the inside of the one-way valve body 901 is provided with a valve cavity 904, the fixed part 906 is slidably connected in the valve cavity 904, the side of the fixed part 906 is provided with a liquid inlet groove 909, the top of the fixed part 906 is fixedly connected with the plug 905, the plug 905 abuts with the valve cavity 904, the outside of the fixed part 906 is fixedly connected with the fixed plate 907, the outside of the fixed part 906 is provided with the spring 908, one end of the spring 908 is elastically connected with the bottom of the fixed plate 907, the other end of the spring 908 is elastically connected with the inner wall of the valve cavity 904, the drainage assembly 10 comprises a drainage tube 1001 fixedly connected with the bottom of the one-way valve body 901, the bottom of the drainage tube 1001 is fixedly connected with the negative pressure ball 1002, the bottom of the negative pressure ball 1002 is fixedly connected with the connecting pipe 1003, the bottom of the connecting pipe 1003 is provided with the blood collection bag 1004, the top of the blood collection bag 1004 is provided with the mounting part 1005, the mounting part 1005 is threadedly connected with the outside of the connecting pipe 1003, the side of the blood collection bag 1004 is provided with the scale 1006.

[0027] Wherein, by setting the splash-proof assembly 9 and the drainage assembly 10, the control of negative pressure is realized, the blood is actively collected through negative pressure drainage, which greatly reduces the risk of occupational exposure of coronary intervention physicians to blood-borne diseases, and ensures the safety of clinical intervention physicians. During the operation, first, the heparin saline is pre-flushed, then the various assemblies are connected, then the valve of the three-way valve 6 is opened, so that the three-way valve 6 is in a communication state, then the negative pressure ball 1002 is connected with the negative pressure pump through the hose, so that the negative pressure is generated in the drainage assembly 10. At this time, the pressure in the drainage tube 1001 is less than the pressure in the three-way valve 6, so that the plug 905 moves downward under the action of the pressure, until the plug 905 and the valve cavity 904 are separated, a passage is formed in the splash-proof assembly 9, and the blood flows into the blood collection bag 1004 through the splash-proof assembly 9 for collection. The setting of the splash-proof assembly 9 and the drainage assembly 10 can reduce the occurrence of blood splashing, spraying and other situations, and effectively collect and prevent blood backflow.

[0028] In this embodiment, as Figure 3 , Figure 4 and Figure 5As shown, the lower pipe of the T-shaped pipe 2 is fixedly connected with a threaded connector 5 at the port, the bottom of the threaded connector 5 is provided with a three-way valve 6, the inside of the three-way valve 6 is rotatably connected with a valve body, the side of the valve body is fixedly connected with an adjusting valve rod 8, the adjusting valve rod 8 is rotatably connected with the three-way valve 6, the side of the three-way valve 6 is threadedly connected with a sealing cap 7, the top of the three-way valve 6 is threadedly connected with the threaded connector 5, the bottom of the three-way valve 6 is provided with an anti-splashing assembly 9, the top of a one-way valve body 901 is fixedly connected with the bottom of the three-way valve 6, and the bottom of the one-way valve body 901 is provided with a drainage assembly 10.

[0029] Wherein, through the cooperation of each component, the spilled blood can be drained into the blood collection bag 1004 through the T-shaped pipe 2 without changing the conventional operation process, and the flow direction of the blood in the arterial catheter 1 is controlled by the pressure difference, in the emergency intervention surgery, the infection risk is unpredictable, the application of the device can protect the intervention doctor and also save valuable rescue time for the patient, and the device can purify the operation field, estimate the amount of bleeding in the operation, and ensure the safety of the operation. In addition, the device can collect the lost blood in the intervention in a closed loop, reduce the pollution of medical dressings and the environment, thereby optimizing the medical waste treatment, avoiding secondary pollution, reducing the medical cost, and the material cost of the device is low, which does not increase the economic burden of the patient, and solves the practical problems in clinical work.

[0030] The working process of the device is as follows: during the operation, the device is first pre-flushed with heparin saline, then each component is connected, then the valve of the three-way valve 6 is opened, so that the three-way valve 6 is in a communication state, then the negative pressure ball 1002 is connected with the soft tube and the negative pressure pump, so that a negative pressure is generated in the drainage assembly 10, at this time, the pressure in the drainage tube 1001 is less than the pressure in the three-way valve 6, so that the plug 905 moves downward under the action of the pressure, until the plug 905 and the valve cavity 904 are separated, a passage is formed in the anti-splashing assembly 9, thereby controlling the flow direction of the blood, so that the blood flows through the arterial catheter 1, the T-shaped pipe 2, the three-way valve 6 and the anti-splashing assembly 9 in turn, and finally flows into the blood collection bag 1004 for collection.

[0031] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in detail in the preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0032] The above merely is preferred implementation manner of the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the principle of the present application, can also make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the present application.

Claims

1. A device for preventing blood splashes during coronary interventions, comprising a T-tube (2), characterized in that: Both ends of the horizontal pipeline of the T-shaped pipe (2) are provided with a connecting assembly (3), the connecting assembly (3) comprises a connecting body (301) located on the side of the T-shaped pipe (2), a threaded connection part (304) is formed on the left side of the connecting body (301), an abutting part (303) is arranged on the side of the connecting body (301), a sealing lug (302) is fixedly connected to the outside of the abutting part (303), a through slot (305) is formed in the inside of the connecting body (301), the connecting body (301) located on one side of the horizontal pipeline of the T-shaped pipe (2) is threadedly connected with an arterial catheter (1) through the threaded connection part (304), the abutting part (303) located on one side of the horizontal pipeline of the T-shaped pipe (2) extends to the inside of the T-shaped pipe (2), the sealing lug (302) located on one side of the horizontal pipeline of the T-shaped pipe (2) abuts against the inner wall of the T-shaped pipe (2), and the connecting position of the abutting part (303) located on one side of the horizontal pipeline of the T-shaped pipe (2) and the T-shaped pipe (2) is sealed by sealing glue.

2. The device for preventing blood splash during coronary intervention according to claim 1, characterized in that, The connecting body (301) located on the other side of the horizontal pipeline of the T-shaped pipe (2) is threadedly connected with a Y-shaped hemostatic valve (4) through the threaded connection part (304), the abutting part (303) located on the other side of the horizontal pipeline of the T-shaped pipe (2) extends to the inside of the T-shaped pipe (2), the sealing lug (302) located on the other side of the horizontal pipeline of the T-shaped pipe (2) abuts against the inner wall of the T-shaped pipe (2), and the connecting position of the abutting part (303) located on the other side of the horizontal pipeline of the T-shaped pipe (2) and the T-shaped pipe (2) is sealed by sealing glue.

3. The device for preventing blood splash during coronary intervention according to claim 2, characterized in that, A screw joint (5) is fixedly connected to the port of the lower pipeline of the T-shaped pipe (2), a three-way valve (6) is arranged at the bottom of the screw joint (5), a valve body is rotatably connected in the inside of the three-way valve (6), an adjusting valve rod (8) is fixedly connected to the side of the valve body, the adjusting valve rod (8) is rotatably connected with the three-way valve (6), a sealing cap (7) is threadedly connected to the side of the three-way valve (6), and the top of the three-way valve (6) is threadedly connected with the screw joint (5).

4. The device for preventing blood splash during coronary intervention according to claim 3, characterized in that, A splash-proof assembly (9) is arranged at the bottom of the three-way valve (6), the splash-proof assembly (9) comprises a one-way valve body (901) arranged at the bottom of the three-way valve (6), the top and the bottom of the one-way valve body (901) are provided with a high-pressure end (902) and a low-pressure end (903) respectively, a valve cavity (904) is formed in the inside of the one-way valve body (901), and a fixing piece (906) is slidably connected in the valve cavity (904).

5. The device for preventing blood splash during coronary intervention according to claim 4, characterized in that, An inlet groove (909) is formed in the side of the fixing piece (906), a plug (905) is fixedly connected to the top of the fixing piece (906), the plug (905) abuts against the valve cavity (904), and a fixing plate (907) is fixedly connected to the outside of the fixing piece (906).

6. The device for preventing blood splash during coronary intervention according to claim 5, characterized in that, The outer part of the fixing part (906) is provided with a spring (908), one end of the spring (908) is elastically connected with the bottom of the fixing plate (907), and the other end of the spring (908) is elastically connected with the inner wall of the valve cavity (904).

7. The device for preventing blood splash during coronary intervention according to claim 6, characterized in that, The top of the one-way valve body (901) is fixedly connected with the bottom of the three-way valve (6), the bottom of the one-way valve body (901) is provided with a drainage assembly (10), the drainage assembly (10) comprises a drainage pipe (1001) fixedly connected with the bottom of the one-way valve body (901), and the bottom of the drainage pipe (1001) is fixedly connected with a negative pressure ball (1002).

8. The device for preventing blood splash during coronary intervention according to claim 7, characterized in that, The bottom of the negative pressure ball (1002) is fixedly connected with a connecting pipe (1003), the bottom of the connecting pipe (1003) is provided with a blood collection bag (1004), the top of the blood collection bag (1004) is provided with a mounting portion (1005), the mounting portion (1005) is in threaded connection with the outer part of the connecting pipe (1003), and the side of the blood collection bag (1004) is provided with a scale (1006).