Catheter Design for Continuous Flow Peritoneal Dialysis
Catheter Design for Continuous Flow Peritoneal Dialysis
复制标题
连续流腹膜透析导管设计
DOI：
10.1159/000046984
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发表时间：
2002
影响因子：
3
通讯作者：
N. Levin
中科院分区：
文献类型：
--
作者：
C. Ronco;A. Gloukhoff;R. Dell'aquila;N. Levin
介绍了一种用于连续流腹膜透析的新型导管。该领域的主要问题之一是导管的安全性和良好的临床耐受性。在这种情况下，与以前的PD导管相比，插管的大小和直径没有增加。此外，所使用的材料旨在最大限度地舒适患者和最大限度地减少腹膜损伤。然而，导管的两个隔室允许高透析液流动而不产生高阻力，并且在模拟连续流动PD的条件下，再循环率最小。此外，新导管的特点是在流入分支中存在一个特殊的扩散器，其设计类似淋浴帽，旨在改善腹膜透析液在腹膜中的流入分布，并增加腹膜与溶液的接触。同时，扩散器防止由于高速输液或喷射流动条件而产生的流入透析液的创伤效应。
A new catheter for continuous flow peritoneal dialysis is presented. One of the main issues in this field is the safety and good clinical tolerance of the catheter. In this case, the size and diameter of the cannula has not been increased in comparison to previous PD catheters. Furthermore, the materials utilized are designed for maximum comfort of the patient and minimal traumatisation of the peritoneal membrane. Nevertheless, the two compartments of the catheter allow for high dialysate flows without creating high resistance and the rate of recirculation is minimal in conditions of simulated continuous flow PD. Furthermore, the characteristic of the new catheter is the presence in the inflow branch of a special diffuser designed like a shower cap that is intended to improve the dialysate inflow distribution in the peritoneal cavity and to increase the contact of the peritoneal membrane with the solution. At the same time, the diffuser prevents a traumatic effect of the inflow dialysate due to high speed infusion or jet flow conditions.