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  • 1990-1994  (3)
  • 1993  (3)
  • Geometric isomer separation  (1)
  • Laparoscopic cholecystectomy  (1)
  • T-tube  (1)
  • A new single dissector
  • HPLC
  • Polymer and Materials Science
Material
Years
  • 1990-1994  (3)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical endoscopy and other interventional techniques 7 (1993), S. 104-105 
    ISSN: 1432-2218
    Keywords: Laparoscopic surgery ; Exploration of common bile duct ; T-tube
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We fabricated a stainless-steel over-tube for rapid and simple insertion of a T-tube following common bile duct exploration during laparoscopic surgery. With this over-tube, operating time is greatly shortened because minimal incision and only two sutures are needed to prevent bile leakage.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical endoscopy and other interventional techniques 7 (1993), S. 311-314 
    ISSN: 1432-2218
    Keywords: Elevating method ; U-shaped retractor ; Laparoscopic cholecystectomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Between April and August 1991, 83 Japanese patients with symptomatic gallstones underwent laparoscopic cholecystectomy in our clinics. A prospective randomized trial was carried out to examine the safety, efficacy, and complications of the two techniques, pneumoperitoneum vs an elevating method using a U-shaped retractor. Forty-two patients were randomly allocated to the pneumoperitoneum (P) group and 41 to the U-shaped retractor (U) group. These two groups were well matched with respect to age, sex, etiology, and the severity of the chronic cholecystitis. Laparoscopic resection was successful for 88.1% (37/42) in the P group and 100% (41/41) in the U group. In patients with a severe fibrotic gallbladder, the rate of success was significantly higher (P〈0.05) in the U group (100%, 6/6) than in the P group (11.8%, 1/6). In the moderately inflamed group, the operation time (mean±SD) was significantly (P〈0.01) less in the U group (58.7±22.7) than in theP group (87.3±18.3). With the U-shaped retractor the usual surgical instruments can be used, and a rapid and safer laparoscopic cholecystectomy can be carried out. We prefer this approach to a pneumoperitoneum for patients with an inflamed gallbladder as hospital stay and pain are minimal.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 16 (1993), S. 372-375 
    ISSN: 0935-6304
    Keywords: Supercritical fluid chromatography (SFC) ; Metal β-diketonates ; Geometric isomer separation ; Trifluoroacetylacetone ; Thenoyltrifluoroacetone ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The separation of the geometric isomers of chromium and rhodium chelates of trifluoroacetylacetone and thenoyltrifluor-oacetone was investigated using packed column supercritical fluid chromatography. Mobile phases consisting of neat and alcohol-modified carbon dioxide were used, and the most favorable isomeric resolution was obtained with a phenyl stationary phase. The chromatographic performance was better for chelates with trifluoroacetylacetone than for the corresponding chelates with thenoyltrifluoroacetone. Chromatographic peak area analysis of the metal chelates investigated showed appropriate isomeric concentrations in the final diastereomeric products resulting from the synthetic procedures.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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