In-vitro artery blood vessel quick switching device under field operation condition

Abstract

The utility model discloses a rapid in-vitro artery blood vessel switching device under field operation conditions, which comprises a switching assembly, a first adapter, a telescopic assembly and a second adapter. The two ends of the first adapter and the two ends of the second adapter are movably connected with the blood vessel opening assemblies on the two sides respectively. The utility model provides an extracorporeal artery blood vessel quick switching device under the field operation condition, the extracorporeal artery blood vessel quick switching device is used in cooperation with a blood vessel distraction assembly, the design of the device aims at achieving quick switching of extracorporeal artery blood vessels, through simple connection of a buckle and a clamping base, switching time is greatly shortened, and precious treatment time is gained for wounded personnel.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, especially under field conditions, a kind of rapid switching device of extracorporeal arterial blood vessel. BACKGROUND

[0002] In field medical environment, quickly and effectively handle the wounded, especially in the case of involving arterial injury, it is crucial to improve the survival rate of the wounded and reduce complications. The traditional extracorporeal arterial blood vessel switching method usually needs complex surgical operation and long preparation time, which is obviously impractical under field conditions.

[0003] Therefore, developing a device capable of quickly, simply and effectively switching extracorporeal arterial blood vessel under field conditions has become a problem to be solved in the medical field. SUMMARY

[0004] The utility model aims at overcoming the shortcomings in the prior art, and provides a rapid switching device of extracorporeal arterial blood vessel under field conditions.

[0005] In order to achieve the above-mentioned purpose, the utility model mainly provides the following technical scheme:

[0006] A rapid switching device of extracorporeal arterial blood vessel under field conditions comprises:

[0007] The switching assembly comprises a switching head one, a telescopic assembly and a switching head two.

[0008] The two ends of the switching head one and the switching head two are respectively connected with the blood vessel expansion assemblies on both sides.

[0009] Further, the switching head one and the switching head two are the same structure and symmetrically arranged; they respectively comprise a cylindrical shell and an annular base provided at the end of the shell.

[0010] The annular base of the switching head one is provided with a buckle, and the annular base of the switching head two is provided with a socket; they are respectively connected with the blood vessel expansion assemblies.

[0011] Further, it further comprises a sealing ring, which is screwed on the outer thread one on the end of the outer wall of the shell through the inner thread, and it can be screwed on the corresponding outer thread two of the blood vessel expansion assembly through rotation.

[0012] The sealing ring is annular, and the inner wall covers an O-shaped sealing ring.

[0013] Further, it further comprises a sealing structure, which is annularly arranged at the shell peripheral wall outside the annular base.

[0014] The sealing structure is made of silicone rubber, fluororubber and other rubber materials.

[0015] Further, the telescopic assembly is a bellows or a telescopic sleeve;

[0016] The telescopic length of the telescopic assembly is 20-50mm.

[0017] The utility model provides a kind of rapid switching device of extracorporeal arterial blood vessel under field conditions, it uses with blood vessel distraction assembly, the design of this device aims to realize the rapid switching of extracorporeal arterial blood vessel, is connected by simple buckle and card seat, greatly shorten switching time, and valuable treatment time is won for wounded person.

[0018] The utility model provides a kind of rapid switching device of extracorporeal arterial blood vessel under field conditions, under field conditions, battlefield environment is complex and changeable, and medical equipment needs to have stronger adaptability and flexibility.Rapid, simple and effective extracorporeal arterial blood vessel switching is realized.

[0019] The above description is only the 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 drawings as follows. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of these drawings.

[0021] Figure 1 It is the use state diagram of the rapid switching device of extracorporeal arterial blood vessel under field conditions of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the rapid switching device of extracorporeal arterial blood vessel under field conditions of the utility model;

[0023] Figure 3 It is the side view of the rapid switching device of extracorporeal arterial blood vessel under field conditions of the utility model;

[0024] Figure 4 It is another side view of the rapid switching device of extracorporeal arterial blood vessel under field conditions of the utility model;

[0025] Figure 5 It is the structure schematic diagram of blood vessel distraction assembly of the utility model;

[0026] Figure 6 It is the structure schematic diagram of the embodiment 4 of the utility model;

[0027] Figure 7 is Figure 6 is a structural schematic diagram of the enlarged schematic diagram at A in FIG. 1;

[0028] Explanation of reference numerals:

[0029] 1, a blood vessel dilating assembly; 11, a dilating assembly one; 12, a dilating assembly two; 13, a hand-held section; 14, an implanting section; 15, an external thread two; 16, an extension section; 17, a heparin slow-release capsule;

[0030] 2, an adapter assembly; 21, an adapter one; 22, an extension assembly; 23, an adapter two; 24, an external thread one;

[0031] 31, a housing; 32, an annular base; 33, a buckle; 34, a clamping seat;

[0032] 4, a sealing ring; 5, an O-shaped sealing ring; 6, a sealing structure;

[0033] 7, a blood vessel A; 8, a blood vessel B; DETAILED DESCRIPTION

[0034] In order 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 rapid adapter device for extracorporeal arterial blood vessels under field conditions according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0035] Embodiment 1

[0036] Please refer to Figures 1-5 The rapid adapter device for extracorporeal arterial blood vessels under field conditions provided in the embodiment comprises:

[0037] The adapter assembly 2 comprises an adapter one 21, an extension assembly 22 and an adapter two 23. The adapter one 21 and the adapter two 23 are respectively located at two ends of the adapter assembly 2 and are used to movably connect with the blood vessel dilating assemblies 1 on both sides.

[0038] The two ends of the adapter one 21 and the adapter two 23 are movably connected with the blood vessel dilating assemblies 1 on both sides. The design of the two adapters ensures the close connection with the blood vessel dilating assemblies 1 and realizes the quick disassembly and assembly to adapt to the needs of emergency treatment under the battlefield environment. In particular, when dealing with the emergency situation of the extracorporeal arterial blood vessel adapter, an efficient, reliable and easy-to-operate device is needed.

[0039] In the application, the blood vessel expansion assembly 1 is provided to facilitate the expansion of the blood vessel during the switching process and reduce the operation difficulty; 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 blood vessel expansion assembly 1 is connected with the adapter through a clamping mode, without the need of additional fixing tools, so that the operation process is simplified and the damage risk of the blood vessel is reduced.

[0040] The field medical treatment rapid switching device for extracorporeal arterial blood vessels 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.

[0041] In some specific embodiments, referring to Figures 2-4 , the adapter one 21 and the adapter two 23 are the same in structure and are symmetrically arranged; each includes a cylindrical shell 31 and an annular base 32 arranged at the end of the shell 31; the cylindrical shell 31 is internally designed with a hollow passage for blood flow; so that the blood can flow smoothly; the annular base 32 is a connecting part for connecting the adapter with the blood vessel expansion assembly 1;

[0042] 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 blood vessel expansion assembly 1; so that the adapter one 21 and the adapter two 23 can be quickly and stably connected with the blood vessel expansion assembly 1 on both sides.

[0043] The material of the shell 31 should be selected from light, durable and biocompatible materials, such as medical stainless steel or high molecular plastics, to ensure its stability and reliability in field environment.

[0044] In the embodiment, the adapter one 21 and the adapter two 23 can be quickly and firmly connected with the blood vessel expansion assembly 1 through the cooperation of the buckle 33 and the card seat 34. In 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 emergency.

[0045] 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 to ensure that the buckle can be smoothly inserted and locked.

[0046] Embodiment 2

[0047] On the basis of embodiment 1, referring to Figures 2-4In order to further improve the sealing and stability in the switching process, a sealing ring 4 is further included, which is screwed on the outer thread 24 on the end of the outer wall of the shell 31 and can be screwed on the outer thread 15 of the blood vessel dilating assembly 1.

[0048] The sealing ring 4 is annular and the inner wall covers the 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 blood vessel dilating assembly 1. 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 blood vessel dilating assembly 1, so as to realize the tight sealing.

[0049] In this embodiment, by arranging the O-shaped sealing ring 5, the tight connection between the adapter and the blood vessel dilating assembly 1 in the switching process is ensured, and the problems such as blood leakage are avoided.

[0050] Embodiment 3

[0051] Based on the embodiment 1, please refer to Figures 2-3 Further, a sealing structure 6 is arranged on the outer wall of the shell 31 outside the annular base 32.

[0052] The sealing structure 6 is made of silicone rubber, fluororubber or other rubber materials; and has good sealing performance and biocompatibility.

[0053] The quick switching device for extracorporeal arterial blood vessels under field conditions has the characteristics of quick connection and stability, 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.

[0054] Further, the telescopic assembly 22 is a bellows or a telescopic sleeve.

[0055] The telescopic length of the telescopic assembly 22 is 20-50mm.

[0056] The design of the telescopic assembly 22 not only ensures the adaptability and practicability of the switching device, but also improves the simplicity and efficiency of the switching process. In the field medical environment, this design will help medical staff to quickly and effectively perform blood vessel switching operation, and provide timely and effective treatment services for the wounded.

[0057] The quick switching device for extracorporeal arterial blood vessels under field conditions needs to be used with the blood vessel dilating assembly 1 to ensure that the blood vessel switching can be quickly and effectively performed in the emergency medical environment. The blood vessel dilating assembly 1 is introduced as follows:

[0058] Please refer to Figure 5The preferred blood vessel dilating assembly 1 of the present application comprises a dilating assembly one 11 and a dilating assembly two 12; the structures of the two are the same and are symmetrically inserted into the blood vessels on the left and right sides of the disconnected blood vessel respectively;

[0059] One end of the dilating assembly one 11 and the dilating assembly two 12 is movably connected, and the other end is inserted into the blood vessel wall.

[0060] The dilating assembly one 11 and the dilating assembly two 12 both comprise a handheld section 13 and an implantation section 14; wherein:

[0061] The diameter of the implantation section 14 gradually increases from the head end to the tail end;

[0062] The end of the handheld section 13 is quickly clamped with the blood vessel quick adapter of the present application.

[0063] Embodiment 4

[0064] On the basis of embodiment 1, please refer to Figure 6 and Figure 7 In order to achieve better anticoagulation effect, one end of the handheld section 13 corresponding to the blood vessel quick adapter is respectively provided with an extension section 16, the extension section 16 is designed in a tubular shape and a heparin sustained-release capsule is arranged on the outer wall thereof, the heparin sustained-release capsule can be made into a microporous structure, and the microporous structure allows them to be slowly released so as to play an anticoagulation role.

[0065] The arrangement of the heparin sustained-release capsule on the outer wall of the extension section 16 is the key to improve the anticoagulation effect. As a commonly used anticoagulant, heparin can effectively prevent blood clotting and reduce the risk of thrombosis. In the form of a sustained-release capsule, heparin can be continuously and slowly released into the blood, avoiding the concentration fluctuations and adverse reactions that may be caused by traditional heparin injection. By designing the heparin sustained-release capsule into a microporous structure, the release speed of heparin can be accurately controlled. The size and distribution of the micropores can be adjusted according to actual needs to achieve the best anticoagulation effect. This design not only improves the efficiency of heparin use, but also reduces unnecessary waste and lowers medical costs.

[0066] The utility model discloses a field conditions under arterial blood vessel quick dilating fixing device, blood vessel dilating assembly 1 is used in cooperation with blood vessel quick adapter, can greatly improve the efficiency and success rate of blood vessel adapter. In the operation process, the doctor first uses blood vessel dilating assembly 1 to dilate the arterial blood vessel of blood vessel A7 and blood vessel B8 on the left and right sides to the sufficient width, then quickly connects the adapter with the blood vessel dilating assembly 1 inserted on the two sides of blood vessel, realizes the quick adapter of blood vessel. This kind of cooperation use mode can shorten the operation time, reduce the operation risk, provide more timely and effective treatment for the wounded.

[0067] The utility model makes further description in combination with the embodiment above, but the utility model is not limited to the above implementation, within the knowledge scope of ordinary skill in the art, still can make various changes without departing from the utility model's purpose.

Claims

1. A device for rapid arterial vascular bypass in field conditions, characterized in that it comprises: The utility model relates to a kind of field conditions under the rapid switching device of extracorporeal arterial blood vessel, which includes: Adapter component (2), including adapter head one (21), telescopic component (22) and adapter head two (23); The two ends of the adapter head one (21) and adapter head two (23) are respectively movably connected with the blood vessel dilatation component (1) on both sides.

2. The field conditions under the rapid switching device of extracorporeal arterial blood vessel according to claim 1, wherein: The adapter head one (21) and adapter head two (23) are the same structure and symmetrically arranged;It respectively includes cylindrical shell (31) and annular base (32) arranged at the end of shell (31); 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 socket (34);They are respectively connected with the blood vessel dilatation component (1) by clamping.

3. The field conditions under the rapid switching device of extracorporeal arterial blood vessel according to claim 2, wherein: It further includes sealing ring (4), which is screwed on the outer thread one (24) on the end of the outer wall of shell (31) by internal thread, and it can be screwed on the corresponding outer thread two (15) of blood vessel dilatation component (1) by rotating; The sealing ring (4) is annular, and the inner wall is covered with O-shaped sealing ring (5).

4. The field conditions under the rapid switching device of extracorporeal arterial blood vessel according to claim 2, wherein: It further includes sealing structure (6), which is annularly arranged on the outer side of the shell (31) of the annular base (32); The sealing structure (6) is made of silicone rubber, fluorine rubber and other rubber materials.

5. The field conditions under the rapid switching device of extracorporeal arterial blood vessel according to claim 1, wherein: The telescopic component (22) is bellows or telescopic sleeve; The telescopic length of the telescopic component (22) is 20-50mm.

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