Concentric Cutting Devices for Use in Minimally Invasive Medical Procedures

Concentric Cutting Devices for Use in Minimally Invasive Medical Procedures

Various embodiments of a tissue cutting device and methods for using are described. In some variations devices include an elongate tube having a proximal end and a distal end and a central axis extending from the proximal end to the distal end; a first annular element at the distal end of the elonga...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Miller Eric C, Schmitz Gregory P, Wu Ming Ting, Arcenio Gregory B, Chen Richard T, Perea Juan Diego, Leguidleguid Ronald, Arat Vacit, Veeramani Arun S
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:Various embodiments of a tissue cutting device and methods for using are described. In some variations devices include an elongate tube having a proximal end and a distal end and a central axis extending from the proximal end to the distal end; a first annular element at the distal end of the elongate tube, the first annular element having a cutting portion at its distal; and a second annular element at the distal end of the elongate tube and concentric with the first annular element, the second annular element having a cutting portion at its distal end, the first and second annular elements being rotatable relative to one another to cause the first annular element and the second annular element to pass each other to shear tissue.