EVERTING (TOPOSCOPIC) CATHETER FOR BROAD CLINICAL APPLICATION.

被引：0

作者：

Shook, D.R. ^{[1
]}

Doppman, J.L. ^{[1
]}

Cattau Jr., E.L. ^{[1
]}

Goldstein, S.R. ^{[1
]}

机构：

[1] Natl Inst of Health, Bethesda, MD,, USA, Natl Inst of Health, Bethesda, MD, USA

来源：

Journal of Biomechanical Engineering | 1986年 / 108卷 / 02期

关键词：

POLYURETHANES - Elasticity - THERMOPLASTIC ELASTOMERS - Biocompatibility;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The advanced development of the clinical everting (toposcopic) catheter is described. A detailed discussion of the design and outline of the fabrication techniques are followed by a thorough performance evaluation and summary of the first two clinical applications. The everting element is a low-durometer thermoplastic polyurethane elastomer. Surface treatments include the bonding of a hydrophilic polymeric coating, optimized for lubricity, to the sliding internal surfaces of the catheter. Eversion pressures and infusion/aspiration flow rates have been measured under various conditions and the infusate-in-blood mixing potential investigated. A preliminary assessment is given of the clinical performance of the catheter in the vascular delivery of chemotherapy and standard endoscopic retrograde cholangiopancreatography.

引用

页码：168 / 174