Hintze R, Schniewind F
II. Innere Abteilung, Krankenhaus Neukölln, Berlin.
Strahlenther Onkol. 1990 Oct;166(10):698-700.
The endoluminal positioning of afterloading applicators without exact guidance may be time wasting and difficult in cases of unsteady or higher degree gastroenterological tumor stenosis. The open catheters, which were developed especially for this, will be pushed over a guidewire and have an obligatory contamination of catheter and radiation source with body secretions. For this case we have developed a double channeled afterloading applicator, which will give the advantages of the Seldinger technique with the safety of a closed system, combined with endoscopic guiding of the wire. With this technique we simplified the endoluminal radiation. Our method is safe, time saving and less stressful for the patients.
在没有精确引导的情况下，后装施源器的腔内定位可能会浪费时间，并且在胃肠道肿瘤狭窄不稳定或程度较高的情况下操作困难。专门为此研发的开放导管需通过导丝推送，且导管和放射源会不可避免地被身体分泌物污染。针对这种情况，我们研发了一种双通道后装施源器，它兼具经皮穿刺血管造影技术（Seldinger technique）的优势和封闭系统的安全性，并结合了导丝的内镜引导。通过这种技术，我们简化了腔内放射治疗。我们的方法安全、节省时间，且对患者的压力较小。
