Journal of Surgical Technique and Case Report
Journal of Surgical Technique and Case Report


 
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COMMENTARY
Year : 2011  |  Volume : 3  |  Issue : 2  |  Page : 67  

Hybrid Frame-based neuronavigation


Department of Neurosurgery, Berne University Hospital, Switzerland

Date of Web Publication11-Feb-2012

Correspondence Address:
Lennart Henning Stieglitz
Department of Neurosurgery, Berne University Hospital
Switzerland
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Source of Support: None, Conflict of Interest: None


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How to cite this article:
Stieglitz LH. Hybrid Frame-based neuronavigation. J Surg Tech Case Report 2011;3:67

How to cite this URL:
Stieglitz LH. Hybrid Frame-based neuronavigation. J Surg Tech Case Report [serial online] 2011 [cited 2016 Jun 12];3:67. Available from: http://www.jstcr.org/text.asp?2011/3/2/67/92796

Sun et al. have invented a new stereotactic instrument, which is thought to bridge the differences between frameless and frame-based techniques. It consists of a stereotactic frame, which is attached to the skull in a manner comparable to classical stereotactic frames. Instead for guidance of a linear instrument, as for example in the case of a frame-based stereotactic biopsy, it is connected with a visualization system for guidance of multiple instruments, which can be moved in every possible direction. The accuracy is said to be approximately 2 mm, which is again somewhere between the accuracies of frame-based (less than 1 mm) and frameless systems (between 1 and 5 mm).

Since the invention of frameless stereotaxy in the late 1980s and early 1990s [1],[2] (first description of a frameless stereotactic system by Roberts et al.[1] and of the first frameless and armless system by Kato et al.[2]) this technology has become an intrinsic part of neurosurgical procedures. Still the accuracy is far lower than that in frame-based procedures due to technical reasons. Therefore the author's efforts to develop a new stereotactic system, which makes use of the best aspects of both principles, are very welcome. Also the system's compactness and low costs make it useful for the future. I am looking forward to reports of a larger series of patients operated using this system, especially taking the accuracy into account.

 
   References Top

1.Roberts DW, Strohbehn JW, Hatch JF, Murray W, Kettenberger H., A frameless stereotaxic integration of computerized tomographic imaging and the operating microscope. J Neurosurg 1986;65:545-9.  Back to cited text no. 1
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2.Kato A, Yoshimine T, Hayakawa T, Tomita Y, Ikeda T, Mitomo M, et al. A frameless, armless navigational system for computer-assisted neurosurgery. Technical note. J Neurosurg 1991;74:845-9.  Back to cited text no. 2
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