Sewing method of valve leaflet and interventional valve
A valve leaflet and valve leaflet technology, which is applied to the sewing method of valve leaflets and the field of interventional valves, can solve problems such as unfavorable installation into a delivery system and increase in valve volume, and achieve the effect of reducing local volume and thickness.
Active Publication Date: 2022-04-05
KINGSTRONBIOCHANGSHU CO LTD
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0007] The present application relates to a sewing method of a valve leaflet and an intervening valve to solve the problem that the valve is compressed due to the edge of the valve leaflet connected to the valve skirt being folded to the area between the valve skirt and the valve leaflet and then sewn. Increased volume at the base of the leaflets, detrimental to loading and implanting into the delivery system
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0045] In order to better understand the technical solutions of the present application, the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.
[0046] It should be clear that the described embodiments are only some of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0047] Terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.
[0048] It should be understood that the term "and / ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The present application relates to a sewing method of a valve leaflet and an interventional valve, wherein the method includes marking the first fixed side on both sides of the valve leaflet and the second fixed side at the bottom of the valve leaflet; The area between the leaflets is folded over, and the first fixed side is sewn to the petal skirt; the second fixed side is kept free to stretch, and the second fixed side is sewn to the petal skirt. In this application, by turning the first fixed edges on both sides of the leaflet to the area between the leaflet skirt and the leaflet, the leaflet can be opened smoothly when the blood flow is flowing forward through the tension of the leaflet, and it can also ensure The valve leaflet can be quickly closed when the blood flow reverses; by keeping the second fixed edge at the bottom of the valve leaflet from folding, the thickness of the bottom of the valve leaflet after sewing can be effectively reduced, thereby reducing the pressure of the interventional valve after compression. The local volume at the bottom of the valve leaflet facilitates the insertion of the interventional valve into the delivery system and implantation of the interventional valve into the human body.
Description
technical field [0001] The present application relates to the technical field of medical devices, in particular to a method for sewing valve leaflets and an interventional valve. Background technique [0002] Biological valve prosthesis opens and closes the valve leaflets through the positive and negative flow of blood flow. When blood flows forward, the leaflets open to form a circulation channel; when blood flows in the reverse direction, the leaflets close to prevent blood flow. Both opening and closing require the valve leaflets to move quickly, and there must be no malfunction or inaction. [0003] For the valve prosthesis, in the natural state, the leaflets are all closed, so that the leaflets can be opened smoothly when the blood flow of the valve is flowing forward, and the leaflets can be closed quickly when the blood flow is reversed. . [0004] In the natural state, the valve leaflets are in a closed state, and the edges connected to the valve leaflets on the v...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/24
CPCA61F2/2463A61F2240/001
Inventor 钟生平靳永富
Owner KINGSTRONBIOCHANGSHU CO LTD