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Technological innovation in neurosurgery: a quantitative study

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Title: Technological innovation in neurosurgery: a quantitative study
Authors: Marcus, HJ
Hughes-Hallett, A
Kwasnicki, RM
Darzi, A
Yang, GZ
Nandi, D
Item Type: Journal Article
Abstract: Object Technological innovation within health care may be defined as the introduction of a new technology that initiates a change in clinical practice. Neurosurgery is a particularly technology-intensive surgical discipline, and new technologies have preceded many of the major advances in operative neurosurgical techniques. The aim of the present study was to quantitatively evaluate technological innovation in neurosurgery using patents and peer-reviewed publications as metrics of technology development and clinical translation, respectively. Methods The authors searched a patent database for articles published between 1960 and 2010 using the Boolean search term “neurosurgeon OR neurosurgical OR neurosurgery.” The top 50 performing patent codes were then grouped into technology clusters. Patent and publication growth curves were then generated for these technology clusters. A topperforming technology cluster was then selected as an exemplar for a more detailed analysis of individual patents. Results In all, 11,672 patents and 208,203 publications related to neurosurgery were identified. The top-performing technology clusters during these 50 years were image-guidance devices, clinical neurophysiology devices, neuromodulation devices, operating microscopes, and endoscopes. In relation to image-guidance and neuromodulation devices, the authors found a highly correlated rapid rise in the numbers of patents and publications, which suggests that these are areas of technology expansion. An in-depth analysis of neuromodulation-device patents revealed that the majority of well-performing patents were related to deep brain stimulation. Conclusions Patent and publication data may be used to quantitatively evaluate technological innovation in neurosurgery.
Issue Date: 21-Feb-2015
Date of Acceptance: 18-Dec-2014
URI: http://hdl.handle.net/10044/1/56502
DOI: https://dx.doi.org/10.3171/2014.12.JNS141422
ISSN: 1933-0693
Publisher: American Association of Neurological Surgeons
Start Page: 174
End Page: 181
Journal / Book Title: Journal of Neurosurgery
Volume: 123
Issue: 1
Copyright Statement: ©AANS, 2015
Sponsor/Funder: National Institute for Health Research
Wellcome Trust
Funder's Grant Number: NF-SI-0510-10186
100564/Z/12/Z
Keywords: Science & Technology
Life Sciences & Biomedicine
Clinical Neurology
Surgery
Neurosciences & Neurology
neurosurgery
technology
diffusion of innovations
SURGICAL INNOVATION
METAANALYSIS
SURGERY
FUTURE
DBS = deep brain stimulation
MEP = motor evoked potential
SSEP = somatosensory evoked potential
Biotechnology
Diffusion of Innovation
Equipment Design
Humans
Inventions
Neurosurgery
Patents as Topic
Publications
Surgery, Computer-Assisted
1103 Clinical Sciences
1109 Neurosciences
Neurology & Neurosurgery
Publication Status: Published
Appears in Collections:Faculty of Engineering
Division of Surgery
Computing
Department of Medicine
Faculty of Medicine



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