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The intracranial fracture of aneurysm clips due to stress corrosion failure is an increasingly common long term postoperative complication. To study the susceptibility of different clips to this process, we evaluated seven aneurysm clips (Mayfield, Yasargil, Vari-Angle McFadden, Scoville, Heifetz, and Pivot) in vitro. Microstructures, hardness, chemical composition, and susceptibility to stress corrosion failure were all measured by standard metallurgical techniques. Certain clips such as Heifetz, Pivot, and Vari-Angle showed a much greater propensity to stress corrosion failure than the others. As a result of our tests, we recommend that only the clips that show high stress corrosion resistance in in vitro testing should be considered for long term in vivo implantation.
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
April 1983,
AANA journal,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
January 2000,
Acta neurochirurgica,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
June 1996,
Neurosurgery,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
June 1996,
Neurosurgery,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
June 1996,
Neurosurgery,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
June 1996,
Clinical cardiology,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
January 1985,
Journal of nurse-midwifery,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
January 1998,
Neurologia medico-chirurgica,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
January 1994,
Heart & lung : the journal of critical care,
M Dujovny, and
R Kossowsky, and
N Kossovsky, and
F G Diaz, and
J I Ausman
February 1983,
AANA journal,
