Extracorporeal circulation blood vessel connecting structure under field operation condition

By designing an extracorporeal circulation vascular connection structure for field conditions, and using components such as puncture components, positioning balloons, and adapters, the problem of complex and time-consuming arterial vascular connection in field environments was solved, achieving rapid and reliable vascular connection and improving treatment efficiency and survival rate.

CN223569742UActive Publication Date: 2025-11-21FOURTH MILITARY MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202422489285.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-11-21
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

In field conditions, existing technologies are difficult to quickly and effectively reconnect severed arteries. Traditional methods are complex, time-consuming, and require a stable surgical environment and equipment, making them difficult to apply in field environments.

Method used

A field-condition extracorporeal circulation vascular connection structure was designed, including a connection component and an adapter structure. Through the combination of components such as a puncture component, a positioning balloon, an adapter, and a sealing ring, the structure enables rapid and stable connection and disconnection of blood vessels, adapting to the complexity of the field environment.

Benefits of technology

It enables rapid and reliable connection and disconnection of blood vessels in field environments, improving treatment efficiency and survival rate. It has a simple structure, is easy to operate, and is highly adaptable, meeting the needs of emergency treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an extracorporeal circulation blood vessel connecting structure under a field operation condition, and relates to the technical field of medical instruments. The connecting structure comprises a connecting assembly I and a connecting assembly II; the two ends are respectively inserted into blood vessels on the left and right sides of the broken blood vessel; the first connecting assembly and the second connecting assembly are of the same structure and are symmetrically arranged, and each connecting assembly comprises a puncture assembly, a drainage tube and a connecting base arranged at the end of the drainage tube. The switching structure is connected between the first connecting assembly and the second connecting assembly. According to the extracorporeal circulation blood vessel connecting structure under the field operation condition, rapid and stable connection of broken blood vessels is achieved by designing the connecting structure and the switching structure, and therefore the treatment efficiency and the survival rate of wounded personnel in the field operation environment are remarkably improved.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an extracorporeal circulation vascular connection structure under field conditions. Background Technology

[0002] In field conditions, rapid and effective treatment of the wounded, especially those involving arterial injuries, is crucial for improving survival rates and reducing complications. In battlefield environments, due to time constraints, limited resources, and environmental uncertainties, medical personnel often face immense challenges. Therefore, having a device capable of rapidly and effectively reconnecting severed blood vessels under such extreme conditions is particularly critical.

[0003] Arterial vascular injury is a particularly critical situation because it can rapidly lead to massive blood loss, endangering the life of the wounded. Traditional methods of vascular reconnection, such as suturing or clamping, while effective to some extent, may be unsuitable in field environments due to their complexity and time-consuming nature. Furthermore, these traditional methods require a relatively stable surgical environment and specialized surgical equipment, which may be difficult to achieve in field conditions.

[0004] Therefore, in order to meet the need for rapid and effective treatment of wounded soldiers with arterial vascular injuries in field conditions, there is an urgent need for a new type of extracorporeal circulation vascular connection structure. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an extracorporeal circulation vascular connection structure for field conditions.

[0006] To achieve the above objectives, this utility model mainly provides the following technical solutions:

[0007] A field-condition extracorporeal circulation vascular connection structure, comprising:

[0008] The connecting structure includes a connecting component one and a connecting component two; they are respectively inserted into the blood vessels on the left and right sides of the disconnected blood vessel.

[0009] The first connecting component and the second connecting component have the same structure and are symmetrically arranged. They respectively include a puncture component, a drainage tube, and a connecting seat at the end of the drainage tube.

[0010] The adapter structure connects the first connecting component and the second connecting component.

[0011] Furthermore, the puncture assembly includes a puncture needle, an insertion tube, a needle hub, and a handle portion connected to the needle hub;

[0012] The insertion tube has graduations.

[0013] Further, the positioning assembly is a positioning balloon arranged on the outer wall of the implant tube.

[0014] The tail end of the positioning balloon is connected with an inflation tube arranged on the inner wall of the drainage tube and having an end connected with an inflation seat at the connecting seat.

[0015] Further, the two ends of the adapter structure are respectively clamped on the connecting assembly one and the connecting assembly two.

[0016] The length of the adapter structure is 50mm, 80mm and 100mm.

[0017] Further, the adapter structure is integrally connected between the connecting assembly one and the connecting assembly two.

[0018] Further, the adapter structure comprises an adapter head one, a telescopic assembly and an adapter head two.

[0019] The adapter head one and the adapter head two are the same in structure and symmetrically arranged, and each comprises a cylindrical shell and an annular base arranged at the end of the shell.

[0020] The adapter head one and the adapter head two are respectively connected with the connecting assembly one and the connecting assembly two on the two sides.

[0021] Further, the annular base of the adapter head one is provided with a buckle, and the annular base of the adapter head two is provided with a clamping seat, which are respectively movably connected with the clamping seat arranged on the connecting assembly one and the connecting assembly two on the two sides.

[0022] The utility model provides a kind of extracorporeal circulation blood vessel connecting structure under field conditions, it is connected structure and adapter structure by design, the quick, stable connection of broken blood vessel is realized, to improve the treatment efficiency and survival rate of wounded in field environment significantly;

[0023] The utility model provides a kind of extracorporeal circulation blood vessel connecting structure under field conditions, the quick connection of broken blood vessel can be realized by simple operation, and can adapt to various environments under field conditions.Simultaneously, the connecting structure also has simple structure, easy operation, high reliability and other advantages, can satisfy the demand of emergency treatment under field conditions.

[0024] The above description is only a summary of the technical scheme of the utility model, in order to clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiment of the utility model is described in detail with the help of drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0026] Figure 1 is a use state diagram of the extracorporeal circulation blood vessel connecting structure under field conditions of the present application;

[0027] Figure 2 is a structural schematic diagram of the extracorporeal circulation blood vessel connecting structure under field conditions of the present application;

[0028] Figure 3 is a side view of the extracorporeal circulation blood vessel connecting structure under field conditions of the present application;

[0029] Figure 4 is another side view of the extracorporeal circulation blood vessel connecting structure under field conditions of the present application;

[0030] Figure 5 is a structural schematic diagram of the connecting structure of the present application;

[0031] Explanation of reference signs:

[0032] 1, connecting structure; 11, connecting assembly one; 12, connecting assembly two; 13, puncture assembly; 14, drainage tube; 15, connecting seat; 131, puncture needle; 132, insertion tube; 133, needle seat; 134, handle part; 16, external thread two;

[0033] 2, switching structure; 21, switching head one; 22, telescopic assembly; 23, switching head two; 24, external thread one;

[0034] 31, shell; 32, annular base; 33, buckle; 34, clamping seat;

[0035] 4, sealing ring; 5, O-shaped sealing ring; 6, sealing structure;

[0036] 7, blood vessel A; 8, blood vessel B;

[0037] 9, positioning assembly; 91, positioning balloon; 92, inflation tube; 93, inflation seat;

[0038] 10, hemostatic clip; DETAILED DESCRIPTION

[0039] To further illustrate the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the specific implementation, structure, features and effects of the extracorporeal circulation blood vessel connecting structure under field conditions according to the utility model will be described in detail below in combination with the drawings and preferred embodiments.

[0040] Embodiment 1

[0041] Please refer to Figures 1-5 , considering that the arterial blood vessels cannot complete rapid switching under field conditions in the prior art, the extracorporeal circulation blood vessel connecting structure under field conditions provided in this embodiment comprises:

[0042] The connecting structure 1 comprises a connecting assembly one 11 and a connecting assembly two 12; they are respectively inserted into the blood vessels on the left and right sides of the disconnected blood vessels; they can adapt to the disconnected conditions of arterial blood vessels at different angles and different positions;

[0043] The connecting assembly one 11 and the connecting assembly two 12 are the same in structure and symmetrically arranged, and each comprises a puncture assembly 13, a drainage tube 14 and a connecting seat 15 arranged at the end of the drainage tube 14; through the cooperation of the puncture assembly 13 and the switching structure 2, the rapid connection of the disconnected blood vessels can be realized in a short time, so as to gain valuable treatment time for the wounded.

[0044] The switching structure 2 is connected between the connecting assembly one 11 and the connecting assembly two 12. The rapid connection design of the switching structure 2 makes the establishment of extracorporeal circulation more rapid, thereby improving the treatment efficiency; the switching structure 2 is easy to operate, without the need for complex surgical equipment and environment, and the requirements for medical personnel are reduced.

[0045] The extracorporeal circulation blood vessel connecting structure under field conditions provided in this embodiment can quickly, stably and reliably connect the disconnected blood vessels through reasonable design and function realization, and provides strong support for field medical treatment; the switching structure 2 plays a crucial role in the extracorporeal circulation blood vessel connecting system under field conditions, and its rapid connection, high sealing property, adjustability, compactness, lightness, durability and other characteristics and advantages make the extracorporeal circulation system more stable and reliable, easy to operate and highly adaptable, thereby providing strong support for field medical treatment.

[0046] Specifically, please refer to Figure 1 The puncture assembly 13 comprises a puncture needle 131, an insertion tube 132, a needle seat 133 and a handle part 134 connected to the needle seat 133; the smooth flow of blood between the connecting assembly one 11 and the connecting assembly two 12 is ensured;

[0047] The implant tube 132 is provided with a scale value; so that medical personnel can more accurately control the depth of the implant tube 132 during operation, and ensure that its position in the blood vessel is accurate; the setting of the scale value greatly improves the accuracy and safety of the operation.

[0048] In some specific embodiments, a positioning component 9 is further included, which is a positioning balloon 91 provided on the outer wall of the implant tube 132; the positioning balloon 91 is provided on the outer wall of the implant tube 132 for accurate positioning inside the blood vessel. The material of the balloon needs to have good elasticity and biocompatibility to ensure safety and stability in the blood vessel;

[0049] The tail end of the positioning balloon 91 is connected to an inflation tube 92, which is provided at the inner wall of the drainage tube 14 and the end is connected to an inflation seat 93 from the connecting seat 15. After the drainage tube 14 enters the blood vessel, the positioning balloon 91 is inflated through the inflation seat 93, so that it expands and adheres to the blood vessel wall.

[0050] The puncture component 13 is used for blood vessel positioning and accurate puncture of the arterial blood vessel. The connection component one 11 and the connection component two 12 are respectively inserted into the blood vessels on the left and right sides of the disconnected blood vessel. During the insertion process, the positioning balloon 91 can be used to assist positioning to ensure that the drainage tube 14 can accurately enter the inside of the blood vessel.

[0051] It should be noted that the inflation component required here is preferably a manual inflation pump, and it is connected to a Y-shaped inflation tube 92, the main tube of which is connected to the manual inflation pump, and the left and right branch tubes are respectively connected to the inflation seats 93 on both sides.

[0052] In use, first, the disconnected blood vessel A7 and the blood vessel B8 are respectively clamped and fixed by using the hemostatic clip 10; the puncture needle 131 is quickly punctured into the blood vessel by holding the handle 134, and the scale value on the implant tube 132 is observed to accurately control the puncture depth; after puncture, the positioning component 9 is quickly inflated to ensure that the positioning balloon 91 quickly expands to achieve the purpose of positioning hemostasis; at the same time, the direction of the arterial blood flow is from the side of the blood vessel A7 to the puncture needle 131 of the connection component one 11, and then through the adapter structure 2 to the connection component two 12, and then through the puncture needle 131 into the blood vessel B8; which provides a channel for subsequent blood drainage or transportation.

[0053] In some specific embodiments, in order to ensure the stability of the connection component one 11 and the connection component two 12 with the corresponding blood vessels, a medical adhesive tape is provided, which is wound and fixed on the outer walls of the blood vessel A7 and the blood vessel B8 on both sides; to ensure that the connection structure 1 is tightly attached to the blood vessel wall, preventing displacement or falling off, and to ensure that the adhesive tape is tightly attached but not too tight, avoiding pressure or damage to the blood vessel wall.

[0054] Embodiment 2

[0055] Based on Embodiment 1, please refer to Figure 2 , considering the need for rapid and effective treatment of arterial vascular injuries in wounded soldiers under field conditions, combined with the design of adapter structure 2, the two ends of the adapter structure 2 are respectively clamped on the connection assembly one 11 and the connection assembly two 12;

[0056] The length of the adapter structure 2 is 50mm, 80mm and 100mm; different lengths of adapter structure 2 allow medical personnel to choose the appropriate length according to the actual situation of the wounded and the operation requirements. Shorter adapter structure 2 is suitable for the case where the distance between blood vessels is short, while longer adapter structure 2 can cover a larger distance, providing the possibility of connecting blood vessels far apart.

[0057] This embodiment adopts a clamping connection method to ensure stable blood transmission under field conditions; the design of adapter structure 2 not only considers the firmness of the connection, but also considers its length to adapt to the specific situation of different wounded and blood vessels.

[0058] Embodiment 3

[0059] Based on Embodiment 1, please refer to Figure 1 , the adapter structure is integrally connected with the connection assembly one 11 and the connection assembly two 12.

[0060] Based on Embodiment 1, that is, the adapter structure and the connection assembly one 11 and the connection assembly two 12 adopt an integral connection method; the design of this embodiment enhances the stability of the overall system and the reliability of the connection, which is particularly important for quickly and effectively treating arterial vascular injuries of wounded soldiers in field environments.

[0061] Specifically, please refer to Figures 2-4 , the adapter structure includes adapter head one 21, telescopic assembly 22 and adapter head two 23;

[0062] The adapter head one 21 and the adapter head two 23 are the same structure and symmetrically arranged; they respectively include a cylindrical shell 31 and an annular base 32 arranged at the end of the shell 31;

[0063] The adapter head one 21 and the adapter head two 23 are respectively connected with the connection assembly one 11 and the connection assembly two 12 on both sides.

[0064] The design of the two adapter heads ensures close connection with the connection assembly one 11 and the connection assembly two 12, while also realizing quick disassembly to adapt to the needs of emergency treatment in battlefield environment; especially in the emergency situation of treating extracorporeal arterial vascular adapter, efficient, reliable and easy-to-operate equipment is needed.

[0065] In the application, the two sides of the blood vessels are connected during the switching process, and the operation difficulty is reduced; due to the complex and changeable battlefield environment, there are high requirements for the rapid response, efficient operation and portability of the medical equipment; the connecting assembly one 11 and the connecting assembly two 12 are connected with the switching structure through clamping, without the need for additional fixing tools, so that the operation process is simplified and the damage risk of the blood vessels is reduced.

[0066] The extracorporeal circulation blood vessel connecting structure under field conditions has the advantages of simple structure and convenient operation, and can quickly respond under field conditions to provide timely and effective medical treatment for the wounded.

[0067] Further, the annular base 32 of the adapter one 21 is provided with a buckle 33, and the annular base 32 of the adapter two 23 is provided with a card seat 34; which are respectively connected with the buckles and card seats correspondingly arranged on the connecting assembly one 11 and the connecting assembly two 12.

[0068] In the embodiment, through the cooperation of the buckle 33 and the card seat 34, the adapter one 21 and the adapter two 23 can be quickly and firmly connected with the switching structure. In the field environment, the clamping connection mode can greatly shorten the operation time and improve the treatment efficiency. At the same time, the design of the buckle 33 and the card seat 34 should also consider the ease of use and reliability to ensure that the connection operation can be quickly completed in an emergency.

[0069] The shape of the buckle 33 is usually designed as a structure that can be easily inserted into the card seat 34 and firmly locked, such as a certain angle of slope or hook shape; the shape of the card seat 34 is usually designed as a groove or hole matched with the buckle 33 to ensure that the buckle 33 can be smoothly inserted and locked.

[0070] Embodiment 4

[0071] Based on the embodiment 1, please refer to Figures 2-4 In order to further improve the sealing and stability during the switching process, a sealing ring 4 is further included, which is screwed on the outer thread two 16 correspondingly arranged on the connecting assembly one 11 and the connecting assembly two 12 through the inner thread of the outer thread one 24 on the end of the outer wall of the shell 31 and can be screwed.

[0072] The sealing ring 4 is annular and the inner wall covers an O-shaped sealing ring 5; the O-shaped sealing ring 5 has good sealing and elasticity, which can ensure the sealing effect between the adapter and the connecting assembly one 11 and the connecting assembly two 12. When the sealing ring 4 is screwed, the O-shaped sealing ring 5 will be compressed and fill the small gap between the adapter and the connecting assembly one 11 and the connecting assembly two 12, so as to realize the tight sealing.

[0073] In this embodiment, the O-shaped sealing ring 5 is arranged to ensure the close connection between the adapter and the first and second connecting assemblies 11 and 12 during the adapter process, thereby avoiding blood leakage and other problems.

[0074] Embodiment 5

[0075] Based on the embodiment 1, please refer to Figure 2 The sealing structure 6 is annularly arranged on the outer wall of the shell 31 of the annular base 32.

[0076] The sealing structure 6 is made of rubber materials such as silicone rubber and fluororubber, and has good sealing performance and biocompatibility.

[0077] The external circulation blood vessel connecting structure under field conditions has the characteristics of quick connection and stability and reliability, and has excellent sealing performance and biocompatibility. In the field medical environment, the device can significantly improve the medical treatment efficiency and provide timely and effective treatment services for the wounded.

[0078] Further, the telescopic assembly 22 is a bellows or a telescopic sleeve.

[0079] The telescopic length of the telescopic assembly 22 is 20-50mm.

[0080] The design of the telescopic assembly 22 not only ensures the adaptability and practicability of the adapter, but also improves the simplicity and efficiency of the adapter process. In the field medical environment, this design will help medical staff to quickly and effectively perform the blood vessel adapter operation, and provide timely and effective treatment services for the wounded.

[0081] The above describes the utility model in combination with the embodiments, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the art without departing from the purpose of the utility model.

Claims

1. A space-based extracorporeal circulation vascular connection structure for field conditions, characterized in that, The utility model relates to a kind of field conditions under extracorporeal circulation blood vessel connecting structure, which includes: Connecting structure (1), it includes connection component one (11) and connection component two (12); It is respectively inserted in the blood vessel of the left and right sides of broken blood vessel; The connection component one (11) and connection component two (12) structure are same and symmetrically arranged, and it includes puncture component (13), drainage tube (14) and the connecting seat (15) arranged at the end of drainage tube (14) respectively; Adapter structure (2), it is connected between connection component one (11) and connection component two (12).

2. The field conditions under extracorporeal circulation blood vessel connecting structure according to claim 1, wherein: The puncture component (13) includes puncture needle (131), implant tube (132), needle seat (133) and handle part (134) connected to the needle seat (133); The implant tube (132) is provided with a scale value.

3. The field conditions under extracorporeal circulation blood vessel connecting structure according to claim 2, wherein: Further comprising positioning component (9), it is a positioning balloon (91), which is arranged on the outer wall of the implant tube (132); The tail end of the positioning balloon (91) is connected with an inflation tube (92), which is arranged on the inner wall of the drainage tube (14) and the end part is connected with the inflation seat (93) from the connecting seat (15).

4. The field conditions under extracorporeal circulation blood vessel connecting structure according to claim 1, wherein: The two ends of the adapter structure (2) are respectively clamped on the connection component one (11) and the connection component two (12); The length of the adapter structure (2) is 50mm, 80mm and 100mm.

5. The field conditions under extracorporeal circulation blood vessel connecting structure according to claim 4, wherein: The adapter structure (2) is integrally connected between the connection component one (11) and the connection component two (12).

6. The field conditions under extracorporeal circulation blood vessel connecting structure according to any one of claims 4 or 5, wherein: The adapter structure (2) includes adapter head one (21), telescopic component (22) and adapter head two (23); The adapter head one (21) and the adapter head two (23) are symmetrically arranged and have the same structure, which respectively includes cylindrical shell (31) and annular base (32) arranged at the end of the shell (31); The adapter head one (21) and the adapter head two (23) are respectively connected with the connection component one (11) and the connection component two (12) on both sides.

7. The field conditions under extracorporeal circulation blood vessel connecting structure according to claim 6, wherein: The annular base (32) of the adapter head one (21) is provided with buckle (33), and the annular base (32) of the adapter head two (23) is provided with clamping seat (34);It is respectively movably connected with the clamping seat (34) correspondingly arranged on the connection component one (11) and the connection component two (12) on both sides.

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