A modified design of microwave tissue coagulator monopolar antenna for applications in laparoscopic hepatic surgery

被引：1
|
作者：
Huang, SM
Hsu, IC
Wu, CW
Lui, WY
机构：
[1] Natl Yang Ming Univ, Coll Med, Taipei 112, Taiwan
[2] Vet Gen Hosp, Dept Surg, Div Gen Surg, Taipei 11217, Taiwan
[3] Natl Tsing Hua Univ, Inst Nucl Sci, Hsinchu, Taiwan
来源：
SURGICAL LAPAROSCOPY & ENDOSCOPY | 1998年 / 8卷 / 01期
关键词：
laparoscopic monopolar antenna; microwave tissue coagulator; laparoscopic hepatic surgery;
D O I：
10.1097/00019509-199802000-00011
中图分类号：
R61 [外科手术学];
学科分类号：
摘要：
Massive hemorrhage is of primary concern during hepatic surgery. In this study, we not only modified the monopolar antenna of the microwave tissue coagulator but also investigated its feasible applications in laparoscopic hepatic surgery. In addition, the conventional antenna of the microwave tissue coagulator was used as a model. A catheter was attached to the antenna. The network analyzer was used to analyze the impedance of the novel monopolar antenna, Moreover, we designed and constructed a novel monopolar antenna for the microwave tissue coagulator. The antenna is gas-leak-proof, having sufficient stiffness and length and retaining similar microwave emission strength, pattern, and shielding property as the conventional antenna. In vitro tests in porcine liver confirm the coagulation and hemostatic effects of the novel type laparoscopic monopolar antenna, Results presented herein confirm the effectiveness of a laparoscopic monopolar antenna for a microwave tissue coagulator with sufficient coagulation effects.
引用
收藏
页码：44 / 48
页数：5
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