Tools for tissue removal

Tools for tissue removal

The present invention is directed to material removal instrument (100) for forming cavities in interior body regions, particularly cavities in intervertebral discs and vertebrae. The instrument includes a cannula (120) and a rotation mechanism (140) disposed at least partially within the cannula. A...

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Hauptverfasser: RICHTER, JORN, THOMMEN, DANIEL, CHEGINI, SALMAN
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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creator RICHTER, JORN
THOMMEN, DANIEL
CHEGINI, SALMAN
description The present invention is directed to material removal instrument (100) for forming cavities in interior body regions, particularly cavities in intervertebral discs and vertebrae. The instrument includes a cannula (120) and a rotation mechanism (140) disposed at least partially within the cannula. A cutting element extends from the rotation mechanism and impacts and dislocates tissue as the rotation mechanism is rotated within the body. The cutting element can be a blade (146), a thread (256), a mass element (346), or an expandable cutting element (446). Dislocated tissue is withdrawn from the body via the cannula.
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The instrument includes a cannula (120) and a rotation mechanism (140) disposed at least partially within the cannula. A cutting element extends from the rotation mechanism and impacts and dislocates tissue as the rotation mechanism is rotated within the body. The cutting element can be a blade (146), a thread (256), a mass element (346), or an expandable cutting element (446). 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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
title Tools for tissue removal
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