expanded polytetrafluoroethylene


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expanded polytetrafluoroethylene (ePTFE)

(ekspan´did pol´ētet´rə-flŏŏr´ōeth´əlēn),
n a stretched polymer of tetrafluoroethylene that allows passage of fluids but not cells; it is used as a nonabsorbable suture material and in guided tissue and bone regeneration as a nonresorbable membrane.
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References in periodicals archive ?
Initial experience with an intrawall, radially supported expanded polytetrafluoroethylene graft for vascular access.
The device is built on Gore's technology platform and designed using the same durable, expanded polytetrafluoroethylene (ePTFE) graft and nitinol stent material.
Large incisional hernia repair using intraperitoneal placement of expanded polytetrafluoroethylene.
Currently, synthetic prostheses used in bypass vascular surgery are produced from polyethylene terephthalate PET and expanded polytetrafluoroethylene ePTFE .
Extruded tubes of expanded polytetrafluoroethylene (ePTFE) are implants or grafts for vascular, esophageal, urethral, and enteral applications, ePTFE is a particularly suitable implant material because of its biocompatibility.
Available materials include high-density polyethylene, expanded polytetrafluoroethylene, silicone, and combination materials such as polymethyl methacrylate and polyhydroxyethylmethacrylate with a calcium hydroxide coating.
Saphenous vein graft's diameter was not enough for interposition, so patency was constructed with 6mm ringed expanded polytetrafluoroethylene (e-PTFE:Gore-tex) tube graft interposition (Fig.
It provides continuous airflow in sealed housings without allowing contaminants to enter because of the proprietary expanded polytetrafluoroethylene (ePTFE) membrane in the vent.
The material is a fluoropolymer composite that consists of an expanded polytetrafluoroethylene (ePTFE) matrix filled with boron nitride (BN) particles.
This new device, used in conjunction with Gore Excluder AAA Endoprosthesis components to isolate the common iliac artery from systemic blood flow and preserve blood flow in the external iliac and internal iliac arteries, is built on Gore's technology platform and designed using the same expanded polytetrafluoroethylene (ePTFE) graft.
Patent 7,691,299 (April 6, 20 I0), "Process for Production of Expanded Polytetrafluoroethylene Products," Fumihiro Hayashi, Yasuhiro Okuda, Motomi Nakata, and Koichiro Natori (Sumitomo Electric Industries, Ltd.

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