TUBULAR IMPLANTS WITH CONTROLLED BIODEGRADATION

To provide medical implants not harming a host as they degrade compared to existing products.SOLUTION: Implantable medical devices have zones of high in vivo stability and zones adjacent thereto of relatively low in vivo stability, so that, when these medical devices are implanted into a host, the z...

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Bibliographische Detailangaben
Hauptverfasser:	JAMES HYDE, MICHAEL SCOTT TAYLOR, ELIZABETH ELVINGTON, BRAD JOHNS, JENNIFER CARTLEDGE, KENNETH W CLINKSCALES
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
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Zusammenfassung:	To provide medical implants not harming a host as they degrade compared to existing products.SOLUTION: Implantable medical devices have zones of high in vivo stability and zones adjacent thereto of relatively low in vivo stability, so that, when these medical devices are implanted into a host, the zones of low in vivo stability degrade first and allow formation of independent segments of relatively intact high in vivo stability bands that are small enough to be able to pass from the host in a non-harmful manner.SELECTED DRAWING: Figure 7B 【課題】既存の製品と比較して、分解する際に宿主に害を及ぼさない医療用インプラントが本技術分野で必要とされている。【解決手段】インプラント式医療装置は、インビボ安定性が高いゾーンと、それに隣接するインビボ安定性が比較的低いゾーンを有する。これにより、これらの医療装置が宿主に埋め込まれると、インビボ安定性の低いゾーンが最初に分解し、比較的無傷のインビボ安定性の高いバンドである、無害な状態で宿主から通過できる程度に小さい独立セグメントが形成可能になる。【選択図】図７Ｂ