Degradable cardiac patent foramen ovale occluder and manufacturing method thereof

A foramen ovale and sealing technology is applied in the field of degradable cardiac patent foramen ovale occluder, which can solve the problem of high cost, long-term risk of patent foramen ovale occluder, and self-degradable occluder. It can not easily fall off, increase the support force and shape of the disk, and reduce the risk of thrombosis.

Active Publication Date: 2021-10-01
MALLOW MEDICAL SHANGHAICO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to solve the problem of long-term risk in the existing clinically used patent foramen ovale occluder, and to overcome the high cost of the prior art and the poor self-expansion recovery of the degradable occluder Defects, providing a degradable cardiac patent foramen ovale occluder and its manufacturing method

Method used

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  • Degradable cardiac patent foramen ovale occluder and manufacturing method thereof
  • Degradable cardiac patent foramen ovale occluder and manufacturing method thereof
  • Degradable cardiac patent foramen ovale occluder and manufacturing method thereof

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Embodiment Construction

[0116] The present invention will be further described by means of embodiments below in conjunction with the accompanying drawings, but the present invention is not limited to the scope of the embodiments.

[0117] Such as Figure 1-5 As shown, the degradable patent foramen ovale occluder 100 is made of degradable silk, and the patent foramen ovale occluder 100 includes: a net body and a connecting piece 40 connected to the net part. The mesh body includes a first disc-shaped part 10, a tubular part 30 and a second disc-shaped part 20 connected in sequence. Respectively connected to the inner mesh surface 11 of the first disc-shaped part 10 and the inner mesh surface 22 of the second disc-shaped part 20, the first disc-shaped part 10, the tubular part 30 and the second disc-shaped part 20 are integrally formed; The center of the outer mesh surface 21 of the disc-shaped part 20 is provided with a connector 40 closing the mesh surface, and the outer mesh surface 21 of the secon...

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Abstract

The invention discloses a degradable cardiac patent foramen ovale occluder and a manufacturing method thereof. The degradable patent foramen ovale occluder is made of degradable silk. The patent foramen ovale occluder includes: a main body part, a flow blocking part and a suture; the main body part includes a mesh body and a connecting part. The mesh body includes a first disc-shaped part, a tubular part and a second disc-shaped part connected in sequence, and the two ends of the tubular part are respectively connected to the center of the first disc-shaped part and the second disc-shaped part; The parts are at least two layers of degradable or non-degradable films used to block blood flow; wherein, the patent foramen ovale occluder is made of a special mold; the special mold includes a mandrel; the mandrel includes : a first cover, a central part, a second cover and a central cylinder. The patent foramen ovale occluder is shaped by a special mold, which is simple, quick and low in cost.

Description

technical field [0001] The invention relates to a degradable heart patent foramen ovale occluder and a manufacturing method thereof. Background technique [0002] Patent foramen ovale is one of the common congenital heart diseases. The patent foramen ovale is mainly formed during the growth and development of the fetus. During embryonic development, a sickle-shaped septum grows on the right side of the first septum, called the second septum or secondary septum, and this septum is also inward. The membrane cushion grows to cover the second chamber hole, but does not fuse with the endocardial cushion, forming an oval hole called foramen ovale. After the fetus is born, the foramen ovale generally closes within the first year after birth. If the foramen ovale is still not closed in children older than three years old, it is called a patent foramen ovale. In 20% to 25% of adults, the foramen ovale does not close completely, leaving a small gap or hole through which the probe ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/00
CPCA61B17/0057A61B2017/00004A61B2017/00526A61B2017/00601A61B2017/00606A61B2017/00654
Inventor 张瑾张健马彩霞张永凯程海波杨晨
Owner MALLOW MEDICAL SHANGHAICO LTD
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