Aortic aneurysm anastomosis device

Abstract

The invention provides a medical implantation device for anastomosis of the proximal end and the distal end of the aorta. The device is intended to facilitate the connection of the aorta to the device, the two ends of which are one specification smaller than the aorta. The device is provided with grooves and protrusions at about 8 mm from both ends, specifically designed to assist the application of suture loops to tighten the aorta and block blood flow between the device and the aorta. The design of the device aims to simplify the anastomosis operation process, reduce the time and operation skill requirements required by surgeons for performing the operation, and improve the overall safety and effectiveness of the anastomosis operation.

Description

TECHNICAL FIELD

[0001] The present application relates to a device for connecting the proximal and distal ends of the aorta after procedures such as Frozen Elephant Trunk, Stanford Type A or Stanford Type B aortic dissection. Instead of using suturing to anastomose, the device uses grooves and protrusions to assist in tightening the suture loop around the two ends of the aorta, thereby creating a secure connection. This method provides an alternative to traditional suturing techniques, making the connection of the two ends of the aorta easier and more accurate. BACKGROUND

[0002] Since the advent of cardiovascular surgery, surgeons have followed the principle of suturing techniques, relying on hand-held sutures to anastomose the proximal and distal ends. However, in recent years, various new techniques and methods have been developed and studied to achieve sutureless vascular anastomosis, which is expected to pave the way for the widespread application of sutureless vascular surgery in the future.

[0003] Vascular anastomosis refers to the process of connecting two blood-carrying vessels, which can be divided into end-to-end anastomosis and end-to-side anastomosis. Generally, vascular anastomosis uses traditional suturing techniques, which are widely recognized as the "gold standard" of cardiovascular surgery. However, in surgeries involving diseased arteries, limited surgical access, or requiring small incisions, manual suturing can be challenging and time-consuming. Such procedures require a great deal of technical expertise and effort.

[0004] To ensure that high-risk surgical patients can recover quickly and reliably, there is an urgent need for convenient, fast, safe, and reliable sutureless techniques. Therefore, the development of new sutureless techniques is crucial for improving patient outcomes and advancing the field of cardiovascular surgery. SUMMARY

[0005] The present application provides a new device for sutureless anastomosis, which uses a new connector called the Aortic Aneurysm Anastomosis Device (AAAD) as an alternative treatment for sutureless vascular anastomosis. The development of this device is based on several key factors: no need for suturing, shorter operation time, improved safety, enhanced reliability, improved anastomotic patency rate, and vascular anastomosis stability. Specifically, the Aortic Aneurysm Anastomosis Device (AAAD) is expected to revolutionize the way vascular anastomosis is performed by eliminating the suturing step. Using this device can shorten the operation time, not only saving time but also reducing the risk of complications associated with long surgery. In addition, the device is designed to provide a safe and reliable alternative to traditional suturing techniques.

[0006] Another significant advantage of the aortic aneurysm anastomosis device is to improve the patency of the anastomotic stoma, which means that the blood flow at the anastomotic stoma is less likely to be blocked, thereby promoting the healing and recovery of the patient. At the same time, the device can provide stronger stability to the anastomotic stoma, reducing the risk of leakage or other complications that may occur with traditional suturing techniques.

[0007] Overall, the aortic aneurysm anastomosis device (AAAD) is a major breakthrough in the field of vascular anastomosis surgery. Its unique design and characteristics have many advantages over traditional suturing techniques, making it a powerful tool for surgeons and an effective treatment option for patients.

[0008] The aortic aneurysm anastomosis device (AAAD) is composed of a cylindrical tube with a length of 40 mm, and grooves and protrusions are provided at both ends of the device. The material is titanium alloy or nickel-titanium alloy. BRIEF DESCRIPTION OF DRAWINGS

[0009] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings:

[0010] Figure 1 (Side view):

[0011] The longitudinal section view shows that the cylindrical tube is connected to the proximal and distal ends of the aorta through the two sets of grooves and protrusions provided at both ends. The cylindrical tube has a length of 40 mm and a thickness of 0.5 mm to 1 mm; the grooves are located about 8 mm from both ends of the tube and have a depth of 1 mm to 2 mm; the protrusions have a height of 1 mm to 2 mm.

[0012] The outer diameter of the cylindrical tube with protrusions is at least one size larger than the outer diameter of the proximal and distal ends of the aorta; the outer diameter of the cylindrical tube without protrusions is one size smaller than the outer diameter of the proximal and distal ends of the aorta, so that the aorta can easily be fitted outside the tube.

[0013] Figure 2 (Front view):

[0014] To ensure the secure connection of the aorta to the cylindrical tube, 2 to 3 loops of suture are wrapped around the grooves at both ends of the tube; 2 to 3 additional loops of suture are wrapped around the back of the protrusions to block the blood flow between the blood vessel and the cylindrical tube.

[0015] To further prevent the blood vessel from falling off the cylindrical tube, the two ends of the blood vessel need to be sutured and fixed. DETAILED DESCRIPTION

[0016] The present application provides a new medical implant device for anastomosis of the proximal and distal ends of the aorta. The tip device is designed to facilitate the fitting of the aorta on the device, and the size of the two ends is smaller than the size of the aorta.

[0017] The device is provided with unique grooves and protrusions at about 8mm from both ends: the grooves are specially designed for applying suture loops to tightly fix the aorta on the device, ensuring stable connection.

[0018] The protrusions adjacent to the grooves are used to block the blood flow between the device and the aorta, ensuring safe and efficient blood flow through the aorta.

[0019] This device is a breakthrough innovation in the field of medical implantation, which will completely change the implementation of anastomosis surgery. Its design ensures that the surgical process is both efficient and effective, and safe for patients.

Claims

1. A cylindrical tubular aneurysm anastomosis device for aneurysm anastomosis, comprising: 1.1 a cylindrical tube with a length of 40 mm; 1.2 grooves and protrusions arranged in sequence along the cylindrical tube body; 1.3 the grooves and protrusions are uniformly distributed; 1.4 the grooves and protrusions are located 8 mm away from both ends of the cylindrical tube body; 1.5 the grooves and protrusions serve as markers or indicators for precise alignment during anastomosis; 1.6 both ends of the cylindrical tube are smaller than both ends of the aorta, so that the aorta can be easily sleeved on the device; 1.7 the protrusions are designed to be larger than the aorta, so as to effectively block the blood flow between the device and the aorta; 1.8 the groove depth is 1 mm, which can accommodate 2 to 3 loops of suture; 1.9 a suture loop with a height of 1 mm is arranged before and after the protrusion; 1.10 The device is made of titanium; 1.11 The device is made of nickel-titanium alloy.

2. Enhanced stability The grooves and protrusions of the cylindrical tube according to claim 1 can improve stability, effectively preventing the device from falling off under normal blood flow conditions.

3. Suture loop integration The device according to claim 1 can achieve firm attachment of the blood vessel by integrating the suture loop in the groove and in front and behind the protrusion.

4. Prevention of falling off The combination of the design of the cylindrical tube, grooves, protrusions, and suture loops according to claim 1 can ensure that the cylindrical tube and the blood vessel will not fall off.

5. Stable fixation Using the suture according to claim 1 to suture the two ends of the blood vessel to the cylindrical tube forms a safe and reliable connection.

6. Risk minimization The device design and suturing technique according to claim 1 reduce the risk of complications related to aneurysm anastomosis, including but not limited to leakage or falling off.

7. Simplified surgical procedure The new device according to claim 1 simplifies the aneurysm anastomosis surgical procedure by providing a method of firm blood vessel fixation that does not affect stability.

8. Improved patient prognosis Using the device according to claim 1 can reduce the risk of complications, promote the success of aneurysm repair, and thus improve patient prognosis.

9. Compatibility The device according to claim 1 adopts a cylindrical body design, which is compatible with minimally invasive surgical techniques.

10. Biocompatibility The aneurysm anastomosis device according to claim 1 has a cylindrical tube with a coating or surface treatment to enhance biocompatibility and reduce the risk of thrombosis.

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