An access sheath for being positioned in a patient's body by an interventionalist, the access sheath comprising: an elongated member having a proximal portion extending to a distal portion and a plurality of lumens (18, 20, 22, 24) formed therethrough including a working lumen and a first additional lumen, the first additional lumen is configured to receive one of an optical system and an irrigation system, the distal portion having a tip and a first deflection section and a second deflection section, the first deflection section is proximal to the tip and distal to the second deflection section, the first deflection section is configured to be actuated by the interventionalist to bend at a first angle to position the tip, and the second deflection section is configured to bend at a second angle to reposition the tip; characterised in that: the proximal portion has a stiffening section including a first coil and one of a first braiding and a second coil, the first coil and the one of the first braiding and the second coil are disposed about the working lumen in concentric relationship with each other; the second deflection section uses passive deflection to bend at the second angle in response to a portion of the elongated member contacting part of the patient's body and includes a series of articulating members disposed about the working lumen; the articulating members are pivotally connected to each other to bend the second deflection section to the second angle; the articulating members move axially relative to each other from a relaxed position to a compressed position when the first deflection section is actuated to bend, and in the compressed position pivotal movement of the articulating members is restrained; each of the articulating members has a pin and a slot, the pin of one of the articulating members engaging the slot of the adjacent articulating member to form the pivotal connection; and at least one of the slots has a relatively narrow proximal portion and a relatively wider distal portion extending from the relatively narrow proximal portion. an elongated member having a proximal portion extending to a distal portion and a plurality of lumens (18, 20, 22, 24) formed therethrough including a working lumen and a first additional lumen, the first additional lumen is configured to receive one of an optical system and an irrigation system, the distal portion having a tip and a first deflection section and a second deflection section, the first deflection section is proximal to the tip and distal to the second deflection section, the first deflection section is configured to be actuated by the interventionalist to bend at a first angle to position the tip, and the second deflection section is configured to bend at a second angle to reposition the tip; the proximal portion has a stiffening section including a first coil and one of a first braiding and a second coil, the first coil and the one of the first braiding and the second coil are disposed about the working lumen in concentric relationship with each other; the second deflection section uses passive deflection to bend at the second angle in response to a portion of the elongated member contacting part of the patient's body and includes a series of articulating members disposed about the working lumen; the articulating members are pivotally connected to each other to bend the second deflection section to the second angle; the articulating members move axially relative to each other from a relaxed position to a compressed position when the first deflection section is actuated to bend, and in the compressed position pivotal movement of the articulating members is restrained; each of the articulating members has a pin and a slot, the pin of one of the articulating members engaging the slot of the adjacent articulating member to form the pivotal connection; and at least one of the slots has a relatively narrow proximal portion and a relatively wider distal portion extending from the relatively narrow proximal portion.