Patent ID: 7217275

Claim:
A tunnel port apparatus comprising: a guideneedle assembly having a guarded hollow core guideneedle, the hollow core guideneedle including a solid core obturator needle; a blunt-tip port cannula overlying said guideneedle assembly, said port cannula having a valve apparatus with a serial gas-check assembly, said serial gas-check assembly comprises at least one apertured membrane and a non-return valve; a tapered blunt obturator rod within said port cannula and overlying said guideneedle assembly; and a support frame including an elongated member portion having proximal and distal ends and from which support members extend therefrom supporting said guideneedle assembly and port cannula wherein the guideneedle assembly extends outward at an original position relative to the port cannula and obturator rod to create a tunnel for insertion of the port cannula, the port cannula and obturator rod extending to a second position over the guideneedle assembly during insertion of the port cannula.