Implantable device access.

An access port (10) TO IMPLEMENT IN THE BODY OF A PATIENT FOR PROVIDING ACCESS TO A TISSUE SPECIFIC REPEATED IN PATIENT establish communication with the tissue through a catheter INTERNAL IMPLEMENTED. Access ports according to this invention include a housing (12) with an inlet funnel-shaped (14) communicating with a reduced diameter guide passage (18). A valve ARTICULADA THAT MAY HAVE DIFFERENT FORMS, INCLUDING THE BOOK FORM (38.40) O VALVES TUBULARES AUTOCOLAPSANTES standing in line with the housing of the access port. AN EXTERNAL STRAND (48) as a needle, a guide wire, an optical fiber or catheter may enter the EXTERNAL ACCESS DEVICE from the property to enter the VALVULA ARTICULADA. INTRODUCE THIS SYSTEM ALLOWS THERAPEUTIC AGENTS, remove bodily fluids or enter SENSITIVE DEVICES OR SPECIFIC SITES IN ARTICULATED the patient's body.