Rapid vascular wound closing device for plateau low-oxygen environment

By designing a rapid closure device for vascular trauma that includes an inner anchor plate and an outer anchor plate, and utilizing interference fit and a calcium peroxide sustained-release membrane, the problem of vascular trauma closure in high-altitude hypoxic environments was solved, achieving rapid and effective vascular wound closure and healing.

CN120899322AActive Publication Date: 2025-11-07CHENGDU MILITARY GENERAL HOSPITAL OF PLA
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Patent Information

Application Number
CN202511096930.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2025-11-07
Estimated Expiration
2045-08-06

AI Technical Summary

Technical Problem

In the low-oxygen environment of high altitudes, traditional vascular closure methods are difficult to close vascular wounds quickly and effectively, leading to bleeding and delayed healing.

Method used

A rapid closure device for vascular trauma is adopted, which includes a handle, an outer tube, a middle tube, an inner tube, an inner anchor plate, a suture, and an outer anchor plate. The vascular wound is clamped by the interference fit of the inner and outer anchor plates, and oxygen therapy is performed by using a calcium peroxide sustained-release membrane to improve the closure efficiency.

Benefits of technology

Rapid closure and healing of vascular wounds were achieved in the high-altitude, low-oxygen environment, reducing the risk of bleeding and improving the treatment effect under low-oxygen conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a vascular trauma rapid closing device for a plateau low-oxygen environment, and belongs to the technical field of medical instruments, the vascular trauma rapid closing device comprises a handle, an outer tube, a middle tube, an inner tube, an inner anchor plate, a suture and an outer anchor plate, one end of the outer tube is fixed on the handle, the inner anchor plate is arranged in the outer tube, and a first flexible flange is arranged on the circumference of one side of the inner anchor plate; the middle pipe is slidably arranged in the outer pipe, and one end abuts against the inner anchor plate. The other end of the middle pipe extends into the handle, the outer anchor plate is arranged in the middle pipe, and one end of the inner pipe abuts against the outer anchor plate. One end of the suture is fixed in one side center of the inner anchor plate; a thorn protrusion is arranged on the side wall of the inner anchor plate, a thorn protrusion hole is correspondingly formed in the outer anchor plate, and the thorn protrusion is in interference fit with the thorn protrusion hole. A blood vessel wound is fixedly clamped through the inner anchor plate and the outer anchor plate, the calcium peroxide slow-release film on the outer anchor plate is attached to the outer wall of a blood vessel for oxygen therapy, and the closing efficiency in the plateau low-oxygen environment is further improved.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of medical devices, and particularly relates to a blood vessel trauma rapid closure device for a high-altitude hypoxic environment. BACKGROUND

[0002] In high-altitude areas, due to the significant reduction of atmospheric oxygen partial pressure (usually lower than the plain level), human tissues face serious hypoxic environment challenges, leading to significant delay in tissue repair and wound healing process. Blood vessel trauma, especially open wounds, are more difficult to close in high-altitude environments, and hypoxic conditions can inhibit fibroblast activity and collagen synthesis, increase the risk of complications such as bleeding, oozing, and hematoma, and affect patient prognosis. For example, in high-altitude rescue or high-altitude related surgical operations, rapid and effective closure of blood vessel wall trauma is crucial for preventing blood loss and promoting recovery.

[0003] Currently, traditional blood vessel closure methods (such as compression hemostasis or suturing techniques) have obvious deficiencies under high-altitude hypoxic conditions: compression hemostasis often cannot provide stable clamping, which may lead to re-bleeding; and suturing operation is complex and time-consuming, and is easily affected by hypoxic environment, leading to delayed healing. Therefore, there is an urgent need for a blood vessel trauma rapid closure device designed for high-altitude hypoxic environments. SUMMARY

[0004] In view of the above, the present application provides a blood vessel trauma rapid closure device for a high-altitude hypoxic environment to solve the above problems.

[0005] In order to achieve the above purpose, the present application adopts the following technical solutions:

[0006] The application discloses a blood vessel wound rapid closing device for high altitude hypoxic environment, which comprises a handle, an outer tube, a middle tube, an inner tube, an inner anchor plate, a suture and an outer anchor plate, one end of the outer tube is fixed on the handle, the inner anchor plate is arranged in the outer tube and located at the outlet end of the outer tube, a first flexible flange which can be unfolded is arranged on one side of the inner anchor plate, the middle tube is slidably arranged in the outer tube and abuts against one end of the inner anchor plate, an avoiding groove is arranged on the outer wall of the middle tube and used for placing the first flexible flange which has not been unfolded, the other end of the middle tube extends into the handle, the other end of the middle tube is provided with a through hole, the inner tube extends into the middle tube through the through hole, the outer anchor plate is arranged in the middle tube and close to the outlet end, one end of the inner tube abuts against the outer anchor plate, one end of the suture is fixed on the center of one side of the inner anchor plate, the other end of the suture extends into the inner tube through the center of the outer anchor plate, a plurality of protrusions are arranged on the side wall of the inner anchor plate, the protrusions are in interference fit with protrusion holes arranged on the outer anchor plate, the inner anchor plate and the outer anchor plate are fixed and clamped on a blood vessel wound, a middle tube driving device is arranged at one end of the middle tube in the handle, the middle tube driving device is used for pushing the inner anchor plate out of the outer tube, an inner tube driving device is arranged at one end of the inner tube in the handle, the inner tube driving device is used for pushing the outer anchor plate out of the middle tube, a suture driving device is arranged on the handle, the suture driving device is connected with the suture and used for pulling the inner anchor plate and making the protrusions and the protrusion holes in interference fit.

[0007] Further, one side of the outer anchor plate towards the inner anchor plate is provided with a calcium peroxide slow-release film.

[0008] Further, a second flexible flange which can be unfolded is arranged on the circumferential edge of the outer anchor plate, and the second flexible flange slides on the inner wall of the middle tube.

[0009] Further, the root of the second flexible flange is bent towards the inner anchor plate.

[0010] Further, an outlet blood vessel is arranged in the wall of the outer tube, one end of the outlet blood vessel is close to the outlet end of the outer tube, and the other end of the outlet blood vessel extends out of the handle.

[0011] Further, the middle tube driving device is a middle tube driving rod, the bottom end of the middle tube driving rod extends into the handle and is fixedly connected with the top wall of one end of the middle tube, a first sliding groove is arranged on the handle, the middle tube driving rod is slidably connected in the first sliding groove, a first sliding block is arranged at the top end of the middle tube driving rod, and the first sliding block is slidably connected with the outer wall of the handle.

[0012] Further, the inner tube driving device is an inner tube driving rod, a bottom end of the inner tube driving rod extends into the handle and is fixedly connected with one end of the inner tube, a second sliding groove is arranged on the handle, the inner tube driving rod is slidingly connected in the second sliding groove, a second sliding block is arranged at a top end of the inner tube driving rod, and the second sliding block is slidingly connected with an outer wall of the handle.

[0013] Further, the suture driving device is a suture driving rod, a bottom end of the suture driving rod extends into the handle, a third sliding groove is arranged on the handle, the suture driving rod is slidingly connected in the third sliding groove, a third sliding block is arranged at a top end of the suture driving rod, and the third sliding block is slidingly connected with an outer wall of the handle; a bottom end of the suture driving rod is provided with an extension rod, a fourth sliding groove is arranged on the inner tube, the extension rod extends into the inner tube through the fourth sliding groove and is fixedly connected with the suture, and the extension rod is slidingly connected with the fourth sliding groove.

[0014] The present application has the following beneficial effects:

[0015] After the outer tube enters the blood vessel wound, the inner anchor plate is pushed out of the outer tube by the middle tube, the first flexible flange at the edge of the inner anchor plate is unfolded, the first flexible flange is larger than the area of the blood vessel wound after unfolding, covers the wound from the inside of the blood vessel, the outer anchor plate is pushed out of the middle tube by the inner tube, the second flexible flange on the outer anchor plate is unfolded and bent towards the blood vessel; while pulling the suture, the inner tube continuously pushes the outer anchor plate, so that the outer anchor plate and the inner anchor plate move towards each other, the prongs penetrate the blood vessel wall and enter the prong holes, and the two complete interference fit. The inner anchor plate and the outer anchor plate clamp the blood vessel wound together, the first flexible flange and the second flexible flange together cover the blood vessel wound to help close the blood vessel wound, and the calcium peroxide slow-release film on the outer anchor plate adheres to the outer wall of the blood vessel for oxygen therapy, further improving the closing efficiency in a high-altitude hypoxic environment. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in 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 embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of the provided drawings.

[0017] Figure 1 It is a structural schematic diagram of a blood vessel wound rapid closure device for a high-altitude hypoxic environment.

[0018] Figure 2 It is a schematic diagram of the internal structure of the outlet end of the outer tube.

[0019] Figure 3 It is a schematic diagram of the internal structure of the handle.

[0020] Figure 4 for Figure 3 A-A is a sectional view of the middle.

[0021] In the figure:

[0022] 10-handle, 11-first sliding groove, 12-second sliding groove, 13-third sliding groove, 20-outer tube, 30-middle tube, 31-avoidance slot, 32-perforation, 40-inner tube, 41-fourth sliding groove, 50-inner anchor plate, 51-first flexible flange, 52-stab convex, 60-suture, 70-outer anchor plate, 71-stab convex hole, 72-second flexible flange, 80-calcium peroxide slow-release film, 90-bleeding vessel, 100-middle tube driving rod, 101-first sliding block, 110-inner tube driving rod, 111-second sliding block, 120-suture driving rod, 121-third sliding block, 122-extension rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0024] Referring to the drawings Figures 1-4The application provides a blood vessel wound rapid closure device for a high-altitude hypoxic environment, which comprises a handle 10, an outer tube 20, a middle tube 30, an inner tube 40, an inner anchor plate 50, a suture 60 and an outer anchor plate 70, wherein the inner anchor plate 50, the suture 60 and the outer anchor plate 70 are made of materials that can be degraded and absorbed in the human body; one end of the outer tube 20 is fixed on the handle 10, the inner anchor plate 50 is arranged in the outer tube 20 and located at the outlet end of the outer tube 20, and a first flexible flange 51 that can be unfolded is arranged on one side of the inner anchor plate 50; the middle tube 30 is slidably arranged in the outer tube 20 and abuts against the inner anchor plate 50 at one end, an avoiding groove 31 is arranged on the outer wall of the middle tube 30 and used for placing the first flexible flange 51 that has not been unfolded; the other end of the middle tube 30 extends into the handle 10, the other end of the middle tube 30 is provided with a perforation 32, the inner tube 40 extends into the middle tube 30 through the perforation 32, the outer anchor plate 70 is arranged in the middle tube 30 close to the outlet end, and one end of the inner tube 40 abuts against the outer anchor plate 70; one end of the suture 60 is fixed on the center of one side of the inner anchor plate 50, and the other end extends into the inner tube 40 through the center of the outer anchor plate 70; a plurality of protrusions 52 are arranged on the side wall of the inner anchor plate 50, and protrusion holes 71 are correspondingly arranged on the outer anchor plate 70, the protrusions 52 and the protrusion holes 71 are in interference fit and used for fixing and clamping the blood vessel wound by the inner anchor plate 50 and the outer anchor plate 70; a middle tube driving device is arranged at the end of the middle tube 30 in the handle 10, and the middle tube driving device is used for pushing the inner anchor plate 50 out of the outer tube 20; an inner tube driving device is arranged at the end of the inner tube 40 in the handle 10, and the inner tube driving device is used for pushing the outer anchor plate 70 out of the middle tube 30; a suture driving device is arranged on the handle 10 and connected with the suture 60, and used for pulling the inner anchor plate 50 and making the protrusions 52 and the protrusion holes 71 in interference fit. The outer tube 20 penetrates through the blood vessel wound and enters the inside of the blood vessel, the inner anchor plate 50 is pushed out of the outer tube 20 by the middle tube driving device, the first flexible flange 51 on the edge of the inner anchor plate 50 is unfolded, the first flexible flange 51 is larger than the blood vessel wound area after being unfolded, and the blood vessel wound is covered from the inside of the blood vessel; the outer anchor plate 70 is pushed out of the middle tube 30 by the inner tube driving device, and the outer anchor plate 70 covers the blood vessel wound from the outside of the blood vessel; the suture 60 is pulled at the same time, the inner tube 40 continuously pushes the outer anchor plate 70, the outer anchor plate 70 and the inner anchor plate 50 move towards each other, the protrusions 52 penetrate through the blood vessel wall and enter the protrusion holes 71, and the interference fit is completed; the inner anchor plate 50 and the outer anchor plate 70 clamp the blood vessel wound together, which helps to close the blood vessel wound. The side of the outer anchor plate 70 facing the inner anchor plate 50 is provided with a calcium peroxide slow-release film 80, the calcium peroxide slow-release film 80 on the outer anchor plate 70 is attached to the outer wall of the blood vessel for oxygen therapy, and the closing efficiency in the high-altitude hypoxic environment is further improved.

[0025] Preferably, the outer anchor plate 70 is provided with an expandable second flexible flange 72, which slides on the inner wall of the middle tube 30 and expands after sliding out of the middle tube 30 to cover the blood vessel wound from the outside of the blood vessel wall. The root of the second flexible flange 72 is bent towards the inner anchor plate 50, and the first flexible flange 51 is arranged on one side of the inner anchor plate 50. The first flexible flange 51 and the second flexible flange 72 together cover the blood vessel wound to facilitate the closure of the blood vessel wound.

[0026] The blood vessel wound rapid closure device for high altitude hypoxic environment further comprises an outflow tube 90 arranged in the wall of the outer tube 20, one end of which is close to the outlet end of the outer tube 20, and the other end extends out of the handle 10. When the outlet end of the outer tube 20 enters the blood vessel, blood flows out of the outflow tube 90, indicating that the outlet end of the outer tube 20 has entered the blood vessel.

[0027] Optionally, the middle tube driving device is a middle tube driving rod 100, the bottom end of which extends into the handle 10 and is fixedly connected to the top wall of one end of the middle tube 30. The handle 10 is provided with a first sliding groove 11, and the middle tube driving rod 100 is slidingly connected in the first sliding groove 11. The top end of the middle tube driving rod 100 is provided with a first sliding block 101, which is slidingly connected to the outer wall of the handle 10.

[0028] Optionally, the inner tube driving device is an inner tube driving rod 110, the bottom end of which extends into the handle 10 and is fixedly connected to one end of the inner tube 40. The handle 10 is provided with a second sliding groove 12, and the inner tube driving rod 110 is slidingly connected in the second sliding groove 12. The top end of the inner tube driving rod 110 is provided with a second sliding block 111, which is slidingly connected to the outer wall of the handle 10.

[0029] Optionally, the suture driving device is a suture driving rod 120, the bottom end of which extends into the handle 10. The handle 10 is provided with a third sliding groove 13, and the suture driving rod 120 is slidingly connected in the third sliding groove 13. The top end of the suture driving rod 120 is provided with a third sliding block 121, which is slidingly connected to the outer wall of the handle 10. The bottom end of the suture driving rod 120 is provided with an extension rod 122, and the inner tube 40 is provided with a fourth sliding groove 41. The extension rod 122 extends into the inner tube 40 through the fourth sliding groove 41 and is fixedly connected to the suture 60. The extension rod 122 is slidingly connected with the fourth sliding groove 41.

[0030] Working principle: hold the handle 10, align one end of the outer tube 20 with the blood vessel wound, when the outlet end of the outer tube 20 enters the blood vessel through the blood vessel wound, the blood flows out from the blood vessel 90, thereby indicating that the outlet end of the outer tube 20 has entered the blood vessel; at this time, push the first slider 101, make the middle tube driving rod 100 slide in the first sliding groove 11, and then push the inner anchor plate 50 out of the outer tube 20, the first flexible flange 51 on the edge of the inner anchor plate 50 is unfolded, the first flexible flange 51 is unfolded, the area of the first flexible flange 51 is larger than the blood vessel wound, the outer tube 20 is pulled outwards, the inner anchor plate 50 and the first flexible flange 51 cover the blood vessel wound from the inside of the blood vessel; push the second slider 111, make the inner tube driving rod 110 slide in the second sliding groove 12, and then push the outer anchor plate 70 out of the middle tube 30, the second flexible flange 72 is unfolded after sliding out of the middle tube 30, the flexible flange of the outer anchor plate 70 can cover the blood vessel wound from the outside of the blood vessel wall; pull the third slider 121, make the suture driving rod 120 slide in the third sliding groove 13, drive the extension rod 122 to slide in the fourth sliding groove 41, and then pull the suture 60, make the inner anchor plate 50 move towards the blood vessel wall, at the same time, push the second slider 111, make the inner tube 40 push the outer anchor plate 70 to move towards the blood vessel wall, the outer anchor plate 70 and the inner anchor plate 50 move towards each other, make the piercing protrusion 52 pass through the blood vessel wall and penetrate into the piercing protrusion hole 71, and make the two complete interference fit, so that the inner anchor plate 50 and the outer anchor plate 70 clamp the blood vessel wound together, the calcium peroxide slow-release film 80 on the outer anchor plate 70 is attached to the outer wall of the blood vessel for oxygen therapy, further improving the closing efficiency in the high altitude hypoxic environment. Further pull the third slider 121 and push the second slider 111, which can pull the suture 60 out of the inner anchor plate 50.

[0031] The above is only a specific embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should be regarded as the protection scope of the present application, which will not affect the effect and practicality of the patent. The protection scope claimed in this application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

[0032] In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same and similar parts between each embodiment can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, it is described simply, and the related parts are referred to the method part.

[0033] The foregoing description of the disclosed embodiments enables a person skilled in the art to make or use the application. Modifications of these embodiments will occur to persons of skill in the art, and that the appended claims are intended to cover all such modifications that do not depart from the true spirit and scope of the application. Therefore, the application is not limited to the embodiments shown but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for rapid closure of vascular trauma in high altitude hypoxic environment, characterized in that, The application relates to a blood vessel closure device, which comprises a handle (10), an outer tube (20), a middle tube (30), an inner tube (40), an inner anchor plate (50), a suture (60) and an outer anchor plate (70), one end of the outer tube (20) is fixed on the handle (10), the inner anchor plate (50) is arranged in the outer tube (20) and located at an outlet end of the outer tube (20), a side of the inner anchor plate (50) is provided with a first flexible flange (51) which can be unfolded, the middle tube (30) is slidably arranged in the outer tube (20) and one end of the middle tube (30) abuts against the inner anchor plate (50), an outer wall of the middle tube (30) is provided with a avoiding groove (31) for placing the first flexible flange (51) which has not been unfolded, the other end of the middle tube (30) extends into the handle (10), the other end of the middle tube (30) is provided with a through hole (32), the inner tube (40) extends into the middle tube (30) through the through hole (32), the outer anchor plate (70) is arranged in the middle tube (30) and close to the outlet end, one end of the inner tube (40) abuts against the outer anchor plate (70), one end of the suture (60) is fixed on the center of one side of the inner anchor plate (50), the other end of the suture (60) extends into the inner tube (40) through the center of the outer anchor plate (70), a side wall of the inner anchor plate (50) is provided with a plurality of protrusions (52), the outer anchor plate (70) is correspondingly provided with protrusion holes (71), the protrusions (52) and the protrusion holes (71) are in interference fit for fixing and clamping a blood vessel wound by the inner anchor plate (50) and the outer anchor plate (70), the end of the middle tube (30) located in the handle (10) is provided with a middle tube driving device, the middle tube driving device is used for pushing the inner anchor plate (50) out of the outer tube (20), the end of the inner tube (40) located in the handle (10) is provided with an inner tube driving device, the inner tube driving device is used for pushing the outer anchor plate (70) out of the middle tube (30), the handle (10) is provided with a suture driving device, the suture driving device is connected with the suture (60) and used for pulling the inner anchor plate (50) and making the protrusions (52) and the protrusion holes (71) in interference fit. The side of the outer anchor plate (70) facing the inner anchor plate (50) is provided with a calcium peroxide slow-release film (80).

2. The device for rapid closure of blood vessel trauma in high altitude hypoxic environment according to claim 1, characterized in that, The outer anchor plate (70) is provided with a second flexible flange (72) which can be unfolded at the edge of the periphery of the outer anchor plate (70), the second flexible flange (72) slides on the inner wall of the middle tube (30).

3. The device for rapid closure of blood vessel trauma in high altitude hypoxic environment according to claim 1, characterized in that, The root of the second flexible flange (72) is bent towards the inner anchor plate (50).

4. The device for rapid closure of blood vessel trauma in high altitude hypoxic environment according to claim 3, characterized in that, The application further comprises an outlet blood vessel (90), the outlet blood vessel (90) is arranged in the tube wall of the outer tube (20), one end of the outlet blood vessel (90) is close to the outlet end of the outer tube (20), and the other end of the outlet blood vessel (90) extends out of the handle (10).

5. The device for rapid closure of vascular trauma in high altitude hypoxic environment according to claim 1, characterized in that, ​ 6. The device for rapid closure of vascular trauma in high altitude hypoxic environment according to claim 1, characterized in that, The middle tube driving device is a middle tube driving rod (100), the bottom end of the middle tube driving rod (100) extends into the handle (10) and is fixedly connected with the top wall of one end of the middle tube (30), a first sliding groove (11) is arranged on the handle (10), the middle tube driving rod (100) is slidably connected in the first sliding groove (11), and the top end of the middle tube driving rod (100) is provided with a first sliding block (101) which is slidably connected with the outer wall of the handle (10).

7. The device for rapid closure of blood vessel trauma in high altitude hypoxic environment according to claim 1, characterized in that, The inner tube driving device is an inner tube driving rod (110), the bottom end of the inner tube driving rod (110) extends into the handle (10) and is fixedly connected with one end of the inner tube (40), a second sliding groove (12) is arranged on the handle (10), the inner tube driving rod (110) is slidably connected in the second sliding groove (12), and the top end of the inner tube driving rod (110) is provided with a second sliding block (111) which is slidably connected with the outer wall of the handle (10).

8. The device for rapid closure of blood vessel trauma in high altitude hypoxic environment according to claim 1, characterized in that, The suture driving device is a suture driving rod (120), the bottom end of the suture driving rod (120) extends into the handle (10), a third sliding groove (13) is arranged on the handle (10), the suture driving rod (120) is slidably connected in the third sliding groove (13), the top end of the suture driving rod (120) is provided with a third sliding block (121) which is slidably connected with the outer wall of the handle (10), the bottom end of the suture driving rod (120) is provided with an extension rod (122), the inner tube (40) is provided with a fourth sliding groove (41), the extension rod (122) extends into the inner tube (40) through the fourth sliding groove (41) and is fixedly connected with the suture (60), and the extension rod (122) is slidably connected with the fourth sliding groove (41).

Citation Information

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