Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Frank Risi"'
Publikováno v:
Cochlear implants international. 23(4)
Removal of a cochlear implant and its intracochlear electrode array is sometimes necessary, potentially causing cochlear explant trauma. Explantation typically occurs years post-implantation by which time reactive tissue has formed around the electro
Publikováno v:
Cochlear Implants International. 21:206-219
Objectives: The aim of this discussion paper and literature review was to estimate the incidence of a variety of complications associated with the surgical placement of cochlear implant (CI) electr...
Autor:
Jason Leavens, Robert Cowan, Carrie Newbold, Shahram Manouchehri, Frank Risi, Karina Needham, Irfan Durmo, Dimitra Stathopoulos
Publikováno v:
Cochlear Implants International. 21:98-109
Postoperative inflammation and the formation of fibrotic tissue around the intracochlear electrode array are often held responsible for negative outcomes in cochlear implant recipients. Here we test the effectiveness of intracochlear delivery of dexa
Autor:
Chenkai Dai, Jiangyang Zhang, Mehdi A. Rahman, Susumu Mori, Frank Risi, Joong Ho Ahn, Russell Hayden, Abderrahmane Hedjoudje, Charles C. Della Santina
Publikováno v:
J Assoc Res Otolaryngol
To better understand the spread of prosthetic current in the inner ear and to facilitate design of electrode arrays and stimulation protocols for a vestibular implant system intended to restore sensation after loss of vestibular hair cell function, w
Autor:
Robert Cowan, Carrie Newbold, Scott W. Chambers, Frank Risi, Karina Needham, Christopher Miller, Dimitra Stathopoulos, Godofredo Timbol, Ya Lang Enke
Publikováno v:
Cochlear Implants International. 20:1-11
OBJECTIVE: To compare the benefits of a dexamethasone-eluting array for hearing preservation and cochlear histopathology in low trauma (soft-surgery) and high trauma models of cochlear implant surgery. METHODS: Adult guinea pigs were implanted with a
Autor:
Frank Risi, Karina Needham, Jason Gavrilis, Pam W. Dawson, Stephen O ’Leary, Robert Briggs, Catherine S. Birman, Robert Cowan, Ruth English, Kerrie Plant
Publikováno v:
Hearing Research. 390:107924
Objective To compare the difference in electrode impedance across discrete time points to 24 months post-activation for two groups of adult cochlear implant recipients, one using an investigational perimodiolar (Contour Advance®) array augmented wit
A New Slim Modiolar Electrode Array for Cochlear Implantation: A Radiological and Histological Study
Autor:
Aarno Dietz, Teemu Koski, Frank Risi, Hanna Matikka, Antti Lehtimäki, Heikki Löppönen, Tytti Willberg, Jyrki Tervaniemi, Matti Iso-Mustajärvi, Sini Sipari
Publikováno v:
Otologyneurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology. 38(9)
HYPOTHESIS To explore the results of a new slim modiolar electrode array (SMA) with respect to intracochlear placement and trauma evaluated by detailed radiologic imaging and histology. BACKGROUND Hearing and structure preservation is the goal of coc
Publikováno v:
Otologyneurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology. 38(1)
HYPOTHESIS: Scala tympani morphology influences the insertion dynamics and intra-scalar position of straight electrode arrays. BACKGROUND: Hearing preservation is the goal of cochlear implantation with current thin straight electrode arrays. These hu
Autor:
Jay T. Rubinstein, James O. Phillips, Trey Oxford, Paul J. Abbas, Felipe Santos, Frank Risi, Kaibao Nie, Shawn D. Newlands, Chris R. S. Kaneko, Steven M. Bierer, Leo Ling
Publikováno v:
Otology & Neurotology. 33:789-796
It is possible to implant a stimulating electrode array in the semicircular canals without damaging rotational sensitivity or hearing. The electrodes will evoke robust and precisely controlled eye movements.A number of groups are attempting to develo
Autor:
Charles G. Wright, Frank Risi, J. Thomas Roland, Thomas Lenarz, Mathieu Marx, Michael Tykocinski, Antje Aschendorff, Bernard Fraysse, James F. Patrick, Roland Lazsig, Peter S. Roland, Robert Briggs, Bruce J. Gantz, Timo Stöver
Publikováno v:
Cochlear Implants International
Objective Multi-centre collaborative study to develop and refine the design of a prototype thin perimodiolar cochlear implant electrode array and to assess feasibility for use in human subjects. Study Design Multi-centre temporal bone insertion studi