Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1996-07-19
1998-06-30
Lewis, Aaron J.
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
606169, 606128, A61B 1720
Patent
active
057726272
ABSTRACT:
An ultrasonic tissue resector is slidably engaged with a working channel of a flexible neuroendoscope for resecting brain tumors, cysts, hematomas, and herniated spinal discs. The resector includes a piezoelectric transducer for generating ultrasonic energy. The ultrasonic energy is coupled to an ultrasonic probe having a rigid proximal segment for transmitting the energy therealong and a flexible distal segment which can bend to conform to the flexible neuroendoscope. An aspiration channel is provided, and the resector can be endoscopically positioned in the brain through the neuroendoscope and energized to ultrasonically break up tissue such as tumors, cysts, and hematomas and remove the tissue through the aspiration channel.
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Acosta George M.
Daw Derek J.
Lewis Aaron J.
Neuro Navigational Corp.
O'Hara Kelly
Rogitz John L.
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