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Tissue engineering patend ductus arteriosus occluder

A technique of patent ductus arteriosus and tissue engineering, applied in the field of medical devices

Inactive Publication Date: 2007-10-31
解启莲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the current occluder itself is made of nickel-titanium alloy, it will be carried for life after being implanted into the human body as a foreign body, and there are still some unpredictability, so it is necessary to design and develop a new type of patent ductus arteriosus Occluder

Method used

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  • Tissue engineering patend ductus arteriosus occluder

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Embodiment Construction

[0006] The present invention will be further described below in conjunction with accompanying drawing 1 and embodiment.

[0007] As shown in FIG. 1 , an embodiment of the present invention provides a tissue engineering patent ductus arteriosus occluder. The occluder is a tissue engineering occluder. A T-shaped stent 1 woven from degradable biomaterials with certain elasticity mainly includes the aortic side base 2 of the occluder and the pulmonary artery side waist 3 of the occluder, and one end of the waist 3 of the occluder It is connected with the fixed connection part 4, and there is a connection hole 5 on the fixed connection part, which can be connected with the delivery control system. Among them, the main features of the occluder are: (1) The stent material of the occluder has degradable properties. (2) The stent of the occluder is not filled with occluding materials that block blood flow. (3) Coat the surface layer of the occluder stent with cell growth factors tha...

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Abstract

The invention discloses a tissue project arterial duct unclosed plugging device, which is characterized by the following: knitting T shape mount with degradable biological material with elasticity; un-filling plugging material in the mount to stop blood flow; painting cell hyperplasia medicine on the surface of the plugging device; accelerating quick grow of plugging device metallic mount surface fiber cell and under bark cell; reaching the goal of with self cell to plug abnormal channel; possessing degradability; realizing self-repairing effect of unclosed arterial duct.

Description

technical field [0001] The invention relates to the field of medical instruments. Background technique [0002] Congenital heart disease is the most common heart disease in childhood, accounting for about 0.7% of the population's incidence, and patent ductus arteriosus accounts for about 10% of congenital heart disease. In the past, surgery was the only treatment option, but the surgical trauma was relatively large, and the scars of the chest surgery incision would have a serious psychological burden on the patient's physical and mental development. With the rapid development of interventional therapy, a variety of patent ductus arteriosus occluders have been used clinically, especially the emergence of the Amplatzer patent ductus arteriosus occluder, which has brought the interventional therapy of congenital heart disease to a new level. However, since the current occluder itself is made of nickel-titanium alloy, it will be carried for life after being implanted in the hum...

Claims

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Application Information

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IPC IPC(8): A61F2/02A61F2/82A61B17/00A61L27/50A61L27/28
Inventor 解启莲
Owner 解启莲
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