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  • 1
    Electronic Resource
    Electronic Resource
    Comparison of two-dimensional vs three-dimensional camera systems in laparoscopic surgery (1997)
    Springer
    Surgical endoscopy and other interventional techniques 11 (1997), S. 438 -440 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Laparoscopic surgery — two-dimensional camera system — three-dimensional camera system
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The lack of depth perception and spatial orientation in video vision are the drawbacks of laparoscopic surgery. The advent of a three-dimensional camera system enables surgeons to regain binocular vision and may be advantageous in complex laparoscopic procedures. Methods: We prospectively studied two groups of surgeons (with and without experiences in laparoscopic surgery) who performed a designated standardized laparoscopic task using a two-dimensional camera system (Olympus OTV-S4) vs a three-dimensional camera system (Baxter-V. Mueller VS7700) and compared their time performances. Results: The results suggested that only experience in laparoscopic surgery had significant effect on individual's performance. We could not demonstrate any superiority of the 3D system over the 2D system. However, two-thirds of the surgeons commented that the depth perception did improve. Conclusions: With further refinement of the technology, the 3D system may improve its potential in laparoscopic surgery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900385
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Is it safe to reuse disposable laparoscopic trocars?rid="" (2000)
    Springer
    Surgical endoscopy and other interventional techniques 14 (2000), S. 1042 -1044 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Disposable laparoscopic trocars — Resterilization — Reuse — Safety
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The reuse of disposable laparoscopic instruments carries a risk of transmitting infectious diseases such as hepatitis and HIV. We evaluated the safety of reusing disposable trocars by studying the chances of their harboring infectious viruses after resterilization in an in vitro setting. Methods: Disposable laparoscopic trocars were exposed to horse blood contaminated with high or low viral concentrations of herpes simplex virus type 1 (HSV1) and attenuated polio virus type 1 at room temperature for 2 h. HSV1 was chosen as the surrogate for lipid viruses that include hepatitis B and HIV virus; polio virus represented the nonlipid viruses that cause infections in immunocompromised patients and are more resistant to sterilization. The trocars were subsequently cleaned and resterilized by low-temperature steam and formaldehyde at 80°C for 3 h. Viral cultures were then repeated after sterilization. Results: A cytopathic effect (CPE) was demonstrated at both concentrations for HSV1 in all trocars before but not after sterilization. For the polio virus, CPE was evident in 50% of the trocars (two of four) exposed to high viral concentration after sterilization. Conclusion: Disposable trocars are difficult to resterilize and may harbor infectious viruses after their initial use. Therefore, the reuse of disposable trocars in laparoscopic surgery cannot be recommended.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004640000118
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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