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A medical implant used to close a defective orifice, vessel, organ pathway, or other opening in a human or animal body

An animal body and implant technology, applied in the field of medical implants, can solve problems such as increasing sealing time and sticking, and achieve the effects of improving stability and reducing the risk of hemolysis

Active Publication Date: 2020-09-01
PFM MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has been found that thrombogenic fibers may stick to the VSD helix in the wet state so that the orifice will remain in the conical tapering region, that is to say in the narrow infundibulum region
This increases the closure time

Method used

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  • A medical implant used to close a defective orifice, vessel, organ pathway, or other opening in a human or animal body
  • A medical implant used to close a defective orifice, vessel, organ pathway, or other opening in a human or animal body
  • A medical implant used to close a defective orifice, vessel, organ pathway, or other opening in a human or animal body

Examples

Experimental program
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Effect test

Embodiment Construction

[0049] figure 1 A perspective view of a medical implant 1 according to the invention for closing a defective orifice, vessel, organ pathway or other orifice in a human or animal body is shown. figure 1 The medical implant 1 shown comprises a base body 2 and at least one fiber 3, wherein the fiber 3 is preferably thrombosed. Although the invention is explained below in connection with at least one thrombogenic fiber, in principle other types of fibers can also be used.

[0050] The base body 2 can reversibly switch from the secondary shape to the primary shape against elastic material forces. In the primary shape the base body 2 has an elongated shape, whereas in the secondary shape the base body 2 is at least partially coiled and comprises a conical shape 4 .

[0051] The medical implant 1 according to the invention is characterized in that at least one thrombogenic fiber 3 is connected to the base body 2 such that the thrombogenic fiber 3 under the secondary shape of the ba...

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Abstract

The invention provides a medical implant (1) for closing a defective orifice, vessel, organ pathway or other orifice in a human or animal body, comprising a matrix (2) and at least one fiber (3), wherein The base body (2) is reversibly deformable against elastic material forces from a secondary shape to a primary shape, wherein in the primary shape the base body (2) has an elongated shape and in the secondary shape is at least partially coiled and comprises a conical shape (4), the at least one fiber (3) is connected to the base body (2), so that the fiber (3) under the secondary shape of the base body (2) extends transversely through the tapered shape (4) at least once, preferably more Second-rate. Compared with the prior art, the medical implant of the present invention can shorten the sealing time.

Description

technical field [0001] The present invention relates to a medical implant for sealing a defective orifice, vessel, organ pathway or other opening in a human or animal body. A medical implant according to the invention comprises a matrix and at least one fiber. Background technique [0002] Medical implants for sealing off defective orifices, vessels, organ pathways or other openings in a human or animal body come in many forms. Such medical implants are, for example, expanded at the desired location by means of a balloon catheter, or consist of a self-expanding material, such as a shape-memory material. Preferably, the medical implant is implanted in the human or animal body via a catheter by means of minimally invasive methods. [0003] During delivery of the medical implant by a catheter to a desired location in the human or animal body, the medical implant has a substantially elongated primary shape. Thus, in the primary shape, the medical implant has a greater ratio o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/12
CPCA61B2017/00867A61B17/12145A61B17/1215A61B2017/1205A61B17/12109A61B17/0057A61B17/12136A61M25/10
Inventor 约阿希姆·沙费尔
Owner PFM MEDICAL