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Bioabsorbable polymer composition and medical device

A bioabsorbable, polymer technology, used in medical science, prostheses, catheters, etc., can solve problems such as inability to provide shape flexibility

Active Publication Date: 2016-09-14
ORBUSNEICH MEDICAL PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional stents also do not provide the degree of shape flexibility needed to facilitate implantation, especially into blood vessels

Method used

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  • Bioabsorbable polymer composition and medical device
  • Bioabsorbable polymer composition and medical device
  • Bioabsorbable polymer composition and medical device

Examples

Experimental program
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Embodiment Construction

[0053] The polymer compositions of the present invention are useful in the preparation of medical devices to be implanted in patients. The medical device is a scaffold with biodegradable, bioabsorbable properties, and includes, but is not limited to, stents, stent grafts, vascular synthetic grafts, catheters, shunts, vascular shunts, valves , grafts, etc.

[0054] The present invention also relates to methods of making biodegradable polymer compositions, and methods of making said medical devices from the polymer compositions disclosed herein.

[0055] In one embodiment, the medical device includes a collapsible polymeric scaffold that can be inserted into a balloon delivery system for implantation. The air cells may comprise thermal or non-thermal cells. The medical device may have a structure that is collapsible during loading and expandable and stress-free under physiological conditions. The medical device may comprise structures comprising polymers that are orientable a...

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Abstract

A method for manufacturing a specific medical device, comprising the steps of: preparing a biodegradable polymer structure; coating the biodegradable polymer structure with a polymer coating containing pharmacological agents or biological agents; cutting the biodegradable polymer structure; The structure is in a pattern that has a shape that collapses the cut structure and expands the cut structure after crimping into an expanded configuration.

Description

Background technique [0001] All references cited in this specification and their references are hereby incorporated by reference in their entirety where appropriate for teaching additional or alternative details, features and / or technical background. [0002] The present invention relates to a medical device for implanting a vessel or lumen structure in the body. In one embodiment, the invention relates to stents and synthetic grafts coated with a controlled release matrix comprising a pharmaceutical substance for direct delivery to surrounding tissue, and attached thereto for Ligands that capture endothelial progenitor cells on the blood-contacting surface of the device to form mature, functional endothelium at the site of injury. In particular, the polymer matrix / drug / ligand coated devices (such as stents) are useful, for example, in the treatment of diseases and conditions (such as restenosis, atherosclerosis) and in intraluminal reconstruction therapy. [0003] Disclosed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L31/06A61L31/14A61L31/16A61L31/18A61L27/18A61L27/58A61L27/54A61L27/50A61L29/06A61L29/14A61L29/16A61L29/18B29C48/10
CPCA61F2/915A61F2002/91591A61L31/041A61F2230/0054B29C48/10B29C48/022C08L67/04A61L31/048A61L31/148B29K2067/046B29K2995/006B29K2995/0088B29L2031/7532
Inventor R·J·卡特恩
Owner ORBUSNEICH MEDICAL PTE LTD
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