Patent ID: 7862546
Filing Date: 2011-01-04
Classification: A61F,A61M

Abstract:
1. An injection port for attachment on tissue, said port comprising: a. a housing, wherein the housing comprises a septum and a base member, wherein the housing defines a sealed plenum chamber between the septum and the base member, the plenum chamber including a port, wherein the plenum chamber is configured to receive fluid from a needle inserted through the septum, wherein the base member further comprises a bottom wall having a substantially flat tissue contacting surface that is impenetrable to the passage of fluid therethrough, and wherein the bottom wall, the plenum chamber, and the septum are located along a common axis, wherein the bottom wall extends across a radially central exterior bottom region of the housing opposite to the septum, wherein the housing further comprises at least one sidewall extending upwardly from the bottom wall of the housing; b. at least one retention member integrally attached to said housing, said at least one retention member having an undeployed state when disposed in a first position relative to said housing and a deployed state engaging tissue adjacent said housing when disposed in a second position relative to said housing, wherein the at least one retention member is configured to secure the substantially flat tissue contacting surface of the bottom wall of the housing adjacent to tissue when the at least one retention member is in the deployed state; c. at least one device attachment surface on said housing, wherein said device attachment surface is configured to engage with a port attachment device to removably attach said injection port thereto; d. a gastric band having an inflatable member; and e. a conduit coupling the housing with the gastric band and providing fluid communication between the inflatable member of the gastric band and the port of the plenum chamber of the housing, such that the plenum chamber, the conduit, and the inflatable member together form a closed fluid circuit.