Control valve for suction device for surgical applications
AssigneeEthicon, Inc.
InventorsSteven Zung-Hong Wu, Christina Joy D'Arrigo
Life of this patent
Estimating the term…
Abstract
A suction device for applying vacuum to a tissue surface is provided. The suction device including: a suction cup portion having a wall defining a cavity and an engagement surface for engaging the tissue surface; a vacuum inlet portion connected to the suction cup portion, the vacuum inlet portion having an inlet for connection to a vacuum source and a conduit in fluid communication with the vacuum inlet and the cavity such that a vacuum applied to the inlet is transferred to the cavity; and a valve disposed in the bore for selectively venting the vacuum in the cavity.
Claims18
A suction device for applying vacuum to a tissue surface, the suction device comprising:
- a suction cup portion having a wall defining a cavity and an engagement surface for engaging the tissue surface;
- a vacuum inlet portion connected to the suction cup portion, the vacuum inlet portion having an inlet for connection to a vacuum source and a conduit in fluid communication with the vacuum inlet and the cavity such that a vacuum applied to the inlet is transferred to the cavity;
- and
- a valve disposed in the bore for selectively venting the vacuum in the cavity.
A surgical retractor comprising:
- means for retracting tissue surrounding an opening;
- at least one attachment member for mounting of accessories for use with the surgical retractor;
- and
- a suction device disposed on the attachment member for applying vacuum to a tissue surface, the suction device comprising:
- a suction cup portion having a wall defining a cavity and an engagement surface for engaging the tissue surface;
- a vacuum inlet portion connected to the suction cup portion, the vacuum inlet portion having an inlet for connection to a vacuum source and a conduit in fluid communication with the vacuum inlet and the cavity such that a vacuum applied to the inlet is transferred to the cavity;
- and
- a valve disposed in the bore for selectively venting the vacuum in the cavity.
Dependencies are inferred from the claim text.