ANVIL ASSEMBLY WITH IMPROVED CUT RING ASSEMBLY

ANVIL ASSEMBLY WITH IMPROVED CUT RING ASSEMBLY

An anvil assembly includes a center rod and a head assembly. The center rod defines a longitudinal axis and has a proximal portion and a distal portion. The head assembly includes a housing, a central post supported within the housing, and a cut ring assembly. The housing supports an anvil that defi...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Yang, Huabiao, Ahamed, Syed Sarfraz
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:An anvil assembly includes a center rod and a head assembly. The center rod defines a longitudinal axis and has a proximal portion and a distal portion. The head assembly includes a housing, a central post supported within the housing, and a cut ring assembly. The housing supports an anvil that defines a plurality of staple deforming pockets. The central post and the housing define an annular cavity. The cut ring assembly is positioned within the annular cavity and includes a backup plate and a cut ring, wherein the backup plate is formed of a thermoplastic polymer and the cut ring is formed of polyethylene and is over molded onto the backup plate.