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The multimodal water jet dissector--a technology for laparoscopic liver surgery. 多模态水射流解剖器——用于腹腔镜肝脏手术的技术。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
O M Schöb, R B Schlumpf, G K Uhlschmid, C Rausis, M Spiess, F Largiadèr
{"title":"The multimodal water jet dissector--a technology for laparoscopic liver surgery.","authors":"O M Schöb,&nbsp;R B Schlumpf,&nbsp;G K Uhlschmid,&nbsp;C Rausis,&nbsp;M Spiess,&nbsp;F Largiadèr","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Unlabelled: </strong>In order to avoid laparotomy in patients with superficially and/or anatomically favourably located liver lesions, the feasibility of laparoscopic liver resection using an aqua jet was evaluated in 6 pigs. For this purpose a commercially available water jet dissector was adapted for laparoscopic use and modified to a multifunctional device providing aqua jet, suction and cautery. To improve laparoscopic vision during jet activity a hydrolaparoscope was used. The left lateral lobe was resected using clips for haemostasis only.</p><p><strong>Results: </strong>All animals (34-55 kg, average 41 kg) survived the procedure. The blood loss at operation consisted of 225 ml (50-600 ml), the haematocrit 3.3% (1-8%). No bleeding or other complications were encountered postoperatively. The average weight of the specimens was 201 g (120-289 g).</p><p><strong>Conclusions: </strong>Laparoscopic liver resection using an aqua jet is feasible. Safe haemostasis can be achieved with clips if the vessels are entirely freed with the jet before clipping.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706887","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
Three-dimensional versus two-dimensional video system for the trained endoscopic surgeon and the beginner. 三维与二维视频系统训练有素的内窥镜外科医生和初学者。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
A Pietrabissa, E Scarcello, A Carobbi, F Mosca
{"title":"Three-dimensional versus two-dimensional video system for the trained endoscopic surgeon and the beginner.","authors":"A Pietrabissa,&nbsp;E Scarcello,&nbsp;A Carobbi,&nbsp;F Mosca","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Because of the lack of depth perception in current two-dimensional endoscopic video systems, the performance of fine motor movements is impaired. Endoscopic surgeons are generally able to cope with this limitation, and the performance of complex procedures becomes easy with experience. To assess the value of three-dimensional vision, two groups of surgeons, with and without experience in endoscopic surgery, underwent dexterity tests at a simulator. Data from use of two- and three-dimensional video systems were analysed and are discussed in this paper. The three-dimensional system improved the ability to perform endoscopic procedures, particularly when the highest degree of hand-eye coordination was needed. A common sensation of ocular fatigue, related to the prolonged use of this equipment, may limit its usefulness in advanced endoscopic procedures.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706888","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
Introduction of a new diagnostic procedure: salivary duct endoscopy (sialendoscopy) clinical evaluation of sialendoscopy, sialography, and X-ray imaging. 介绍一种新的诊断程序:涎道内窥镜(涎道内窥镜)的临床评价，涎道内窥镜，唾液造影和x射线成像。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
P Gundlach, J Hopf, M Linnarz
{"title":"Introduction of a new diagnostic procedure: salivary duct endoscopy (sialendoscopy) clinical evaluation of sialendoscopy, sialography, and X-ray imaging.","authors":"P Gundlach,&nbsp;J Hopf,&nbsp;M Linnarz","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The diagnosis of obstructive salivary duct disorders to date has been based on imaging by roentgenography and ultrasound, which do not always yield a precise diagnosis. Sialendoscopy is a new procedure for identifying the cause of obstructive symptoms with direct inspection of the efferent salivary duct system by means of a microendoscope. This new technique does not impose a strain on the patient and is performed under local anaesthesia on an outpatient basis.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706936","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 splenectomy: technical aspects and preliminary results. 腹腔镜脾切除术:技术方面和初步结果。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
M Trias, E M Targarona, A Moral, M Prados
{"title":"Laparoscopic splenectomy: technical aspects and preliminary results.","authors":"M Trias,&nbsp;E M Targarona,&nbsp;A Moral,&nbsp;M Prados","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Unlabelled: </strong>The success of laparoscopic cholecystectomy has prompted the application of laparoscopic techniques to other abdominal procedures. Laparoscopic splenectomy poses certain specific difficulties for the control of the vascular pedicle, handling and mobilisation of a parenchymatous organ and the retrieval of the specimen. The aim of this paper is to present a technique for laparoscopic splenectomy.</p><p><strong>Material and methods: </strong>Between February and October, 1993 we attempted laparoscopic splenectomy (LS) in 7 patients. Splenectomy was indicated in 5 patients for treatment of an idiopathic thrombocytopenic purpura and in two patients for treatment of hereditary microspherocytosis. One patient had concomitant cholelithiasis.</p><p><strong>Results: </strong>LS was completed in 6 and converted in one patient to an open procedure due to blood from the splenic bed obscuring vision. Laparoscopic cholecystectomy and splenectomy were performed simultaneously in the patient with cholelithiasis. Three patients required transfusion of two packed cell units. In one patient, the bag broke during extraction of the spleen, and a minilaparotomy was required to remove the spleen. In one patient an accessory spleen was removed. Oral intake was started the next morning. Two patients developed pulmonary atelectasis. Analgesia requirements ranged between 2 and 10 doses, and postoperative stay ranged between 4-8 days.</p><p><strong>Conclusion: </strong>LS is technically feasible, and offers the functional and aesthetic advantages of laparoscopic surgery.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706934","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
A comparison of the resolution provided by different imaging systems and display media in surgery. 手术中不同成像系统和显示介质分辨率的比较。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
H Wolf, G Möller, J Liegel
{"title":"A comparison of the resolution provided by different imaging systems and display media in surgery.","authors":"H Wolf,&nbsp;G Möller,&nbsp;J Liegel","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In microsurgery and in endoscopy in particular, the resolution provided by different imaging systems and display media is often a subject of discussion. Starting with the concept of contrast transfer, the terms pixel, pixel availability, and pixel acceptance are then introduced here. These parameters are determined for the applications relevant in practice for endoscopes, surgical microscopes, and the associated display media (eye, 35 mm film, video camera, and monitor). A comparison between pixel availability and pixel acceptance also allows a comparison between the different display media and the determination of the limiting factor in the image reproduction chain.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706939","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 exploration for a presumed intra-abdominal testicle. 假定腹内睾丸的腹腔镜探查。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
G J Maddern, P D Sutherland
{"title":"Laparoscopic exploration for a presumed intra-abdominal testicle.","authors":"G J Maddern,&nbsp;P D Sutherland","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Removal of intra-abdominal testes in patients over the age of 10 years is recommended because of the small risk of subsequent malignant change. We report an experience in a 35-year-old male with no testicle in his left scrotum in whom an ultrasound scan demonstrated a 3 x 4 cm mass at the left internal ring. At laparoscopy, by delineating the landmarks of the left vas and the left testicular vessels, it was possible to confirm the presence of a testicle at the internal ring; atrophic epididymal material was confirmed histologically. Laparoscopic exploration in this patient permitted a thorough examination of the abdominal cavity for an undescended left testicle and required admission for less than 24 hours. We conclude this procedure is the approach of choice in patients with suspected intra-abdominal testes.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706935","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
Pheochromocytoma: laparoscopic approach with CO2 and helium pneumoperitoneum. 嗜铬细胞瘤:CO2和氦气腹腹腔镜入路。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
L Fernandez-Cruz, A Saenz, P Taura, G Benarroch, C Nies, E Astudillo
{"title":"Pheochromocytoma: laparoscopic approach with CO2 and helium pneumoperitoneum.","authors":"L Fernandez-Cruz,&nbsp;A Saenz,&nbsp;P Taura,&nbsp;G Benarroch,&nbsp;C Nies,&nbsp;E Astudillo","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A number of different surgical approaches have been devised for adrenalectomy in patients with pheochromocytoma. The anterior transabdominal approach was at one time considered a source of postoperative morbidity; the advent of laparoscopy however, may result in a resurgence in its use. The laparoscopic approach was used with a CO2 pneumoperitoneum in one patient with a left pheochromocytoma, and using a helium pneumoperitoneum in another with bilateral pheochromocytoma. The left adrenalectomy took 135 minutes to perform and the total bilateral adrenalectomy 330 minutes. No transfusion was necessary. The postoperative stay was 4 days for both patients. To prevent the risk of CO2 retention during extended laparoscopic procedures, helium can serve as an alternative gas, as was documented in the patient who underwent total adrenalectomy. Unilateral or bilateral resection of pheochromocytoma can safely be performed laparoscopically and has the advantage of avoiding both the muscular trauma related to laparotomy and the rib resection necessary for the extraperitoneal approach.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706938","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
Multifunctional laparoscopic surgical instruments. 多功能腹腔镜手术器械。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
G Berci
{"title":"Multifunctional laparoscopic surgical instruments.","authors":"G Berci","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A miniature hook scissors was developed which facilitates the incision of the cystic duct and other important structures because of the characteristics. The organ in question can be hooked first before cutting, and with slight movements, the cut can be determined. Unnecessary transsection can be avoided. Simultaneous irrigation helps in case of oozing. A miniature alligator forceps can serve as a peanut holder for blunt dissection and can be of great help in case of gallbladder wall perforations in grasping the edges of the hole with great precision. After the open endo loop is placed, part of the organ in question is tented, to help to place the loop underneath with ease. Because of the teeth appropriate grasping of oedematous or thin walls is secured.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706889","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
A new extraction bag to facilitate stone extraction in laparoscopic cholecystectomy: in vitro experiments. 一种便于腹腔镜胆囊切除术结石取出的新型取出袋:体外实验。
Endoscopic surgery and allied technologies Pub Date : 1994-12-01
E Kanehira, K Omura, K Kawai, N Ishikawa, Y Watanabe
{"title":"A new extraction bag to facilitate stone extraction in laparoscopic cholecystectomy: in vitro experiments.","authors":"E Kanehira,&nbsp;K Omura,&nbsp;K Kawai,&nbsp;N Ishikawa,&nbsp;Y Watanabe","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In order to avoid extension of the parietal wound when the stone load is too large to be simply extracted in laparoscopic cholecystectomy, we developed a new extraction bag. The new extraction bag has a characteristic shape to arrange the stones or fragments in a linear order. To evaluate the efficacy of the new bag we conducted in vitro stone extraction experiments and compared the new bag technique with conventional stone removal techniques. Mean experiment time to extract 60 small stones in a conventional technique group was 710 seconds, whereas it was 316 seconds with the new bag technique (p < 0.001). With this technique larger stones are also extracted without extending the parietal incision once they are fragmented in the bag. The results of our experiments suggest the new extraction bag as a simple and safe technique in minimally invasive stone extraction in laparoscopic cholecystectomy.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18706937","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
TEM results of the Tuebingen group. 图宾根组透射电镜结果。
Endoscopic surgery and allied technologies Pub Date : 1994-10-01
B Mentges, G Buess, H Raestrup, K Manncke, H D Becker
{"title":"TEM results of the Tuebingen group.","authors":"B Mentges,&nbsp;G Buess,&nbsp;H Raestrup,&nbsp;K Manncke,&nbsp;H D Becker","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>From August 1st 1989 to May 1st 1993, 190 rectal adenomas and 75 carcinomas were locally excised with the TEM technique. The mortality was 0.4%, the rate of complications which required surgical re-intervention was 3% in adenomas and 8% in carcinomas. The final histology of the removed carcinomas revealed 44 pT1, 23 pT2 and eight pT3 stages. In two of the eight re-resected patients with pT1 low-risk tumours, residual primary tumour but no lymph node metastases were found. In contrast to this, three of the eleven re-resected patients with pT2 low-risk tumours had already developed lymph node metastases. After an average follow-up time of 14 months, two recurrences were observed in the group of the only locally treated patients with pT1 low-risk carcinomas. Both underwent a secondary procedure for cure but in late tumour stages. No recurrence was diagnosed so far among the re-resected patients.</p>","PeriodicalId":79337,"journal":{"name":"Endoscopic surgery and allied technologies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18865240","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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