Valve supporting structure
By designing a valve support structure including a stent and an arc-shaped contact base, the problem of uneven deformation of the stent diameter during cardiac valve surgery is solved, better valve protection and support effects are achieved, and the risk of coronary orifice obstruction is reduced.
Patent Information
- Application Number
- CN202420826193.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-21
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-21
AI Technical Summary
In cardiac valve surgery, the existing stents are unevenly deformed during the expansion of the diameter, resulting in severe deformation of the valve junction and almost non-deformation of other meshes, increasing the risk of coronary orifice obstruction.
A valve support structure is designed, including a bracket, an inner skirt, a base, a base skirt and a suture ring. The base is located under the bracket and can be sealed and connected. The bracket is grid-shaped, and the upper end of the base is in an arc-shaped contact with the lower end of the bracket to better support the bracket.
Through this structure, the base can better support the stent, avoid uneven deformation of the stent during the diameter expansion process, provide better valve protection and support, and reduce the risk of coronary orifice obstruction.
Smart Images
Figure CN222657265U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cardiac membrane valves, in particular to a valve supporting structure. Background Art
[0002] During heart valve surgery, the valve needs to be supported. Because the circumferential grids of the stent are different, the circumferential direction of the stent is not uniform when it is expanded. During the expansion process, the main deformation of the stent occurs at the valve connection, and the other grids are slightly deformed or not deformed. According to surgeons, the stent is generally aligned with the native leaflet, so that the other grids of the stent are aligned with the coronary artery ostium. If the stent is deformed and the other grids are not deformed, in addition to causing the stent to be in a trumpet-shaped state, the height of the other grids of the stent will not change after expansion and the openings of the other grids will not increase, which is bound to increase the risk of coronary artery ostium obstruction. Utility Model Content
[0003] The purpose of the utility model is to provide a valve support structure to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a valve support structure, including a bracket, an inner skirt, a base, a base skirt and a suture ring, the base is arranged below the bracket and the two can be sealed and connected, the inner skirt is located in the inner cavity of the bracket, the outer skirt is located on the outer wall of the bracket, the base skirt is arranged on the outer wall of the base, the bracket is in a grid shape, a connecting strip is provided at the lower end of the bracket, an upper suture hole is provided at the bottom end of the connecting strip, the base includes a first area and a second area, the first area and the second area are arranged at intervals, and a lower suture hole is provided at the upper end of the base.
[0005] Preferably, the support is cylindrical, and the support can be circumferentially divided into a first support area, a second support area and a third support area of the same shape.
[0006] Preferably, the first support area, the second support area and the third support area each include five grids arranged in parallel, and a connecting strip is provided at the bottom end of each grid, and the length of the connecting strip decreases from the middle to both sides.
[0007] Preferably, a connecting bridge is provided between the first supporting area, the second supporting area and the third supporting area, the connecting bridge is two arched bars arranged in the same direction, a vertical bar is provided at the top end of the connecting bridge, and a waist hole is provided on the vertical bar.
[0008] Preferably, the first area is arrow-shaped, and the bottom end of the first area is connected to the second area.
[0009] Preferably, the second area is wavy and made of elastic metal material.
[0010] Compared with the prior art, the beneficial effect of the present invention is that the present invention arranges the bracket and the base, and arranges the bracket and the base to be in arc-shaped contact, so that the base can better support the bracket, thereby providing better protection and support for the valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 This is a cross-sectional view of the utility model;
[0013] Figure 3 This is a schematic diagram of the structure of the bracket and base of the utility model;
[0014] Figure 4 This is a schematic diagram of the unfolding of the bracket of the utility model;
[0015] Figure 5 It is a schematic diagram of the base of the utility model.
[0016] In the figure: 1. bracket; 11. connecting strip; 12. first supporting area; 13. second supporting area; 14. third supporting area; 15. upper suture hole; 2. inner skirt; 3. base; 31. first area; 32. second area; 33. lower suture hole; 4. base skirt; 5. suture ring; 6. outer skirt; 7. connecting bridge. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-5 The utility model provides a technical solution: a valve support structure, including a stent 1, an inner skirt 2, a base 3, a base skirt 4, an outer skirt 6 and a suture ring 5, the base 3 is arranged below the stent 1 and the two can be sealed and connected, the inner skirt 2 is located in the inner cavity of the stent 1, the outer skirt 6 is located on the outer wall of the stent 1, the base skirt 4 is arranged on the outer wall of the base 3, the stent 1 is in a grid shape, a connecting strip 11 is provided at the lower end of the stent 1, an upper suture hole 15 is provided at the bottom end of the connecting strip 11, the base 3 includes a first area 31 and a second area 32, the first area 31 and the second area 32 are arranged at intervals, and a lower suture hole 33 is provided at the upper end of the base 3.
[0019] Specifically, the bracket 1 is cylindrical, and the bracket 1 can be circumferentially divided into a first support area 12, a second support area 13, and a third support area 14 of the same shape. The first support area 12, the second support area 13, and the third support area 14 each include five grids arranged in parallel, and a connecting strip 11 is provided at the bottom end of the grid, and the length of the connecting strip 11 decreases from the middle to both sides, and an upper suture hole 15 is provided at the bottom end of the connecting strip 11.
[0020] Specifically, a connecting bridge 7 is provided between the first supporting area 12 , the second supporting area 13 and the third supporting area 14 . The connecting bridge 7 is two arched bars arranged in the same direction. A vertical bar 71 is provided at the top of the connecting bridge 7 , and a waist hole 72 is provided on the vertical bar.
[0021] Specifically, the first area 31 is arrow-shaped, and the bottom end of the first area 31 is connected to the second area 32. The first area 31 is wider, so the hardness will be stronger than the second area 32, and the first area 31 will be more difficult to unfold. The second area 32 is wavy and made of elastic metal material. The second area 32 is easier to unfold. The lower parts of the first support area 12, the second support area 13 and the third support area 14 of the stent 1 are all set to arc shape, and the upper end of the base 3 is set to a shape compatible with the stent 1. This setting enables the base 3 to better support the stent 1, thereby forming a better support for the valve.
[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A valve support structure, characterized in that: It includes a bracket, an inner skirt, an outer skirt, a base, a base skirt and a sewing ring, the base is arranged below the bracket and the two can be sealed and connected, the inner skirt is located in the inner cavity of the bracket, the outer skirt is located on the outer wall of the bracket, the base skirt is arranged on the outer wall of the base, the bracket is in a grid shape, a connecting strip is provided at the lower end of the bracket, an upper sewing hole is provided at the bottom end of the connecting strip, the base includes a first area and a second area, the first area and the second area are arranged at intervals, and a lower sewing hole is provided at the upper end of the base.
2. A valve support structure according to claim 1, characterized in that: The support is cylindrical and can be circumferentially divided into a first support area, a second support area and a third support area of the same shape.
3. A valve support structure according to claim 2, characterized in that: The first support area, the second support area and the third support area each include five grids arranged in parallel, and a connecting strip is provided at the bottom end of each grid, and the length of the connecting strip decreases from the middle to both sides.
4. A valve support structure according to claim 3, characterized in that: A connecting bridge is provided between the first supporting area, the second supporting area and the third supporting area. The connecting bridge is two arched bars arranged in the same direction. A vertical bar is provided at the top of the connecting bridge, and a waist hole is provided on the vertical bar.
5. A valve support structure according to claim 4, characterized in that: The first area is arrow-shaped, and the bottom end of the first area is connected to the second area.
6. A valve support structure according to claim 5, characterized in that: The second area is wave-shaped and is made of elastic metal material.