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Ultrasonic dissection. 超声解剖。
Endoscopic surgery and allied technologies Pub Date : 1994-06-01
J F Amaral
{"title":"Ultrasonic dissection.","authors":"J F Amaral","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The tissue-cutting ability of ultrasonic waves takes on practical significance in two instruments: the ultrasonic cavitational aspiratory and the ultrasonically activated scalpel. An understanding of the basic principles involved and the manner in which these instruments function illustrates their advantages in many situations over commonly used electro- and laser surgical techniques.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 3-4","pages":"181-5"},"PeriodicalIF":0.0,"publicationDate":"1994-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18995386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrasonic dissection in combination with high-frequency surgery. 超声解剖结合高频手术。
Endoscopic surgery and allied technologies Pub Date : 1994-06-01
G Farin
{"title":"Ultrasonic dissection in combination with high-frequency surgery.","authors":"G Farin","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Ultrasonic surgery is a technique used for tissue-selective dissection. High-frequency surgery, on the other hand, is a technique which permits largely non-selective cutting of all tissue except bone. Whereas ultrasonic surgery has no haemostatic effect, high-frequency surgery is highly effective for haemostasis. The combined use of ultrasonic surgery and high-frequency surgery, particularly in endoscopic operations, can unite the advantages of both methods and thus improve surgical techniques or even permit applications which are difficult or impracticable with ultrasonic surgery or high-frequency surgery alone. Various possibilities for combining ultrasonic surgery and high-frequency surgery have not been exploited to date and therefore remain open for future development.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 3-4","pages":"211-3"},"PeriodicalIF":0.0,"publicationDate":"1994-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18995387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental evaluation of water-jet dissection in endoscopic surgery. 水射流解剖在内镜手术中的实验评价。
Endoscopic surgery and allied technologies Pub Date : 1994-06-01
A Cuschieri
{"title":"Experimental evaluation of water-jet dissection in endoscopic surgery.","authors":"A Cuschieri","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The problems associated with high-velocity high-pressure water-jet dissection were investigated by in-vivo experiments using endoscopic equipment. Three problems were identified: backspray with fouling of the optic, poor control of the depth of cut, and detachment of tissue fragments and isolated cells which contaminate the operative field. The first two problems have been resolved by adoption of a hooded hand-piece and the incorporation of an adjustable back stop. A \"dry\" system which enables the evacuation of the back spray may deal with the problem of contamination of the operative field by detached cells but further in-vivo experiments are needed to confirm this. Until then, water-jet cutting is considered unsafe for both open and endoscopic surgery in patients undergoing extirpative procedures for cancer because of the risk of tumour seeding within the peritoneal cavity.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 3-4","pages":"202-4"},"PeriodicalIF":0.0,"publicationDate":"1994-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18995384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Histologic effects of different technologies for dissection in endoscopic surgery: Nd:YAG laser, high frequency and water-jet. 内镜手术中不同解剖技术的组织学影响:Nd:YAG激光、高频和水射流。
Endoscopic surgery and allied technologies Pub Date : 1994-06-01
M O Schurr, M Wehrmann, W Kunert, A Melzer, M M Lirici, R Trapp, E Kanehira, G Buess
{"title":"Histologic effects of different technologies for dissection in endoscopic surgery: Nd:YAG laser, high frequency and water-jet.","authors":"M O Schurr,&nbsp;M Wehrmann,&nbsp;W Kunert,&nbsp;A Melzer,&nbsp;M M Lirici,&nbsp;R Trapp,&nbsp;E Kanehira,&nbsp;G Buess","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Precise cutting combined with reliable coagulation of the margins of the lesion is an important requirement for dissection techniques in endoscopic surgery. These requirements are met by the two most common ancillary energy sources applied for endoscopic dissection today, electrosurgery and \"thermal lasers\", mostly the Nd:YAG. For the comparison of the histological effects of monopolar and bipolar high frequency with the Nd:YAG laser an experimental in vitro and in vivo study has been performed. In order to evaluate the advantages of non thermal dissection for endoscopic procedures, a water jet cutting system was included in the in vitro study. In parenchymatous tissue the water jet was found to be the least traumatic technique, followed by bipolar high frequency, laser and monopolar high frequency. The water jet was not applicable for intestinal dissection since uncontrolled bloating of the rectal wall with uncontrolled disruption of the tissue layers occurred. A general disadvantage is that secure haemostasis in the line of incision is hard to achieve. In the microscopic comparison of the shape of the incision, the Nd:YAG laser produced the smoothest lesions with well-defined margins. The monopolar technique was more often associated with irregular and sometimes fissured margins. These results were confirmed in the in vivo part of the study (Transanal Endoscopic Microsurgery).</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 3-4","pages":"195-201"},"PeriodicalIF":0.0,"publicationDate":"1994-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18995383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Technique for CT guided microendoscopic dissection of the spine. CT引导下的脊柱显微内镜解剖技术。
Endoscopic surgery and allied technologies Pub Date : 1994-06-01
R M Seibel, D H Groenemeyer
{"title":"Technique for CT guided microendoscopic dissection of the spine.","authors":"R M Seibel,&nbsp;D H Groenemeyer","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The indications for percutaneous nucleotomy techniques are limited to disk herniation without dislocated free fragments. In cases with free fragments we have developed a new technique for percutaneous sequestrectomy. Under CT and fluoroscopic guidance spinal endoscopy was performed. In the past, percutaneous diskectomies were X-ray-guided with or without endoscopy. In this paper we describe the combination of CT-scanning, fluoroscopy and microendoscopy for guidance of nucleotomes, lasers, microendoscopes and micro-instruments. The technique was performed on 20 patients (17 outpatients) with chronic back pain. To date no major complications occurred. The method offers an effective outpatient treatment of small free fragments and scar tissue in the spinal canal and the foramen.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 3-4","pages":"226-30"},"PeriodicalIF":0.0,"publicationDate":"1994-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18994583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dissection techniques. 解剖技术。
Endoscopic surgery and allied technologies Pub Date : 1994-06-01
A Melzer
{"title":"Dissection techniques.","authors":"A Melzer","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 3-4","pages":"169-71"},"PeriodicalIF":0.0,"publicationDate":"1994-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18995378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Laparoscopic liver tumour resection with the argon beam. 氩束腹腔镜肝肿瘤切除术。
Endoscopic surgery and allied technologies Pub Date : 1994-06-01
E Croce, M Azzola, R Russo, M Golia, S Angelini, S Olmi
{"title":"Laparoscopic liver tumour resection with the argon beam.","authors":"E Croce,&nbsp;M Azzola,&nbsp;R Russo,&nbsp;M Golia,&nbsp;S Angelini,&nbsp;S Olmi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Our initial experience with four minor resections for one malignant and three benign lesions is reported. Dissection was accomplished by mechanical fragmentation and hydrojet. Coagulation was effectively achieved by the argon beam system. Larger vessels were clipped. Three patients were treated laparoscopically and were rapidly discharged after an uneventful postoperative course. The other patient (small hepatocellular carcinoma in cirrhotic liver) had an intraoperative cardiac arrest, probably due to gas embolism. After restoration of normal cardiac activity, the operation was completed after conversion to an open approach. When using the argon coagulator it is necessary to prevent excessive intra-abdominal pressure due to the flow of argon gas and to avoid injury to the hepatic veins, which may cause gas embolism.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 3-4","pages":"186-8"},"PeriodicalIF":0.0,"publicationDate":"1994-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18995381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Principles of ultrasound imaging. 超声成像原理。
Endoscopic surgery and allied technologies Pub Date : 1994-04-01
E Spaeth, A Melzer, M O Schurr
{"title":"Principles of ultrasound imaging.","authors":"E Spaeth,&nbsp;A Melzer,&nbsp;M O Schurr","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Ultrasound imaging is a process involving the real-time interaction of the physician with both the imaging equipment and the tissue. A good understanding of the physical principles involved in creating the image will ensure optimal handling of the equipment and proper interpretation of the resulting image.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 2","pages":"161-3"},"PeriodicalIF":0.0,"publicationDate":"1994-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19074996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Peptic ulcer surgery in 1994. 1994年的消化性溃疡手术。
Endoscopic surgery and allied technologies Pub Date : 1994-04-01
N Katkhouda
{"title":"Peptic ulcer surgery in 1994.","authors":"N Katkhouda","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Despite successful medical treatment of peptic ulcer disease regarding both acid reduction and eradication of Helicobacter pylori, there is still an increasing number of emergency operations for complications and no decrease of mortality. Elective surgery after complete physiologic work-up can improve the results for a certain group of patients. In cases requiring acid reduction only, laparoscopic procedures such as posterior truncal vagotomy and anterior seromyotomy can be offered. The minimal invasive approach--as we have experienced in other procedures-increases patient acceptance of surgical treatment.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 2","pages":"87-90"},"PeriodicalIF":0.0,"publicationDate":"1994-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19074997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vagotomies--laparoscopic or thoracoscopic approach. 迷走神经切开术——腹腔镜或胸腔镜入路。
Endoscopic surgery and allied technologies Pub Date : 1994-04-01
F Dubois
{"title":"Vagotomies--laparoscopic or thoracoscopic approach.","authors":"F Dubois","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The complications and sequelae of truncal vagotomy have been overemphasized in the surgical literature. With the introduction of minimally invasive techniques, the indications for vagotomy have to be reconsidered. The procedure can be performed either by laparoscopy or by thoracoscopy. The techniques for these approaches are outlined. In an experience of twenty-one vagotomies no major complication occurred, and the immediate results are fair.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":"2 2","pages":"100-4"},"PeriodicalIF":0.0,"publicationDate":"1994-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19075150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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