# US 6,190,352 B1 · Guidewire compatible port and method for inserting same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 6,190,352 B1 - Document ID: US6190352B1 - Status: Granted - Kind: B1 - Application number: 08/941,919 - Filed: 1997-10-01 - Granted: 2001-02-20 - Earliest claimed: 1997-10-01 - Assignees: Boston Scientific Corporation - Inventors: Brett Haarala; William Shaw; Chris Davey - Web page: https://patentgrep.com/patent/US6190352B1 ## CPC - A61M 39/0208: {Subcutaneous access sites (implantable infusion devices A61M5/14276; transcutaneous access sites A61M39/0247)} - A61M 2039/0235: {having an additional inlet, e.g. for a guidewire or a catheter tube} - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} ## Abstract An access port assembly having an attachable catheter allows for inserting a guidewire into the catheter to aid in the placement of the integral catheter while still attached to the access port assembly. A method is described for placing an access port fixedly attached to a catheter into a patient using a guidewire inserted into the catheter. ## Claims ### Claim 1 An integrated access port assembly comprising in combination: a catheter; and an access port attached to the catheter, the access port including a reservoir within the port, said catheter being in continuous, unimpeded fluid communication with said reservoir, and multiple sealable entry sites for entry into said reservoir within said port, said multiple entry sites including a first entry site comprising a first self sealing septum, and at least one second entry site comprising a second self sealing septum aligned opposite said catheter and adapted to accept and permit withdrawal of a guidewire or stylet and direct it into said catheter to thereby facilitate placement of the catheter. ### Claim 2 (depends on 1) The access port assembly according to claim 1 wherein said reservoir is in continuous, unimpeded flow communication with a first lumen of said catheter. ### Claim 3 (depends on 1) The access port assembly of claim 1 wherein said assembly has a single said reservoir and a single said attached catheter. ### Claim 4 (depends on 1) The access port assembly of claim 1, wherein the first self sealing septum includes a first inner surface defining a first portion of the reservoir and the second self sealing septum includes a second inner surface defining a second portion of the reservoir. ### Claim 5 (depends on 1) The access port assembly of claim 1, wherein the first septum is positioned with respect to the reservoir such that passage of at least one of a needle, guidewire, and stylet through the first septum places at least a portion of said at least one needle, guidewire, and stylet in the reservoir and wherein the second septum is positioned with respect to the reservoir such that passage of said at least one of a needle, guidewire, and stylet through the second septum places at least a portion of said at least one needle, guidewire, and stylet in the reservoir. ### Claim 6 An access port device comprising: a body having a self-sealing first access septum disposed in a top portion of the body; a reservoir in said body; an outlet for fixedly attaching a catheter to the body in continuous, unimpeded fluid communication with said reservoir; and a self-sealing second septum disposed in the body opposite the outlet for inserting a guidewire through the body and reservoir and into the outlet. ### Claim 7 (depends on 6) The access port device of claim 6 wherein said body has a single said reservoir and said device has a single said outlet for attaching a catheter to the body. ### Claim 8 (depends on 6) An access port assembly comprising: the access port of claim 6, and a catheter attached to the outlet. ### Claim 9 (depends on 8) The access port assembly according to claim 8, wherein the catheter includes a reinforced portion adjacent the access port. ### Claim 10 A method for inserting an access port assembly into a patient's body with a guidewire, comprising: providing an access port assembly comprising an access port fixedly attached to a catheter, said assembly having a reservoir in continuous, unimpeded fluid communication with said catheter, and at least one entry site on the access port; inserting a guidewire into the entry site such that the guidewire extends into the catheter and through both the reservoir and the entry site; inserting the guidewire into the patient's body; manipulating said assembly over the inserted guidewire to place the distal end of the catheter at the desired location in the patient's body; removing the guidewire through said entry site from the assembly and patient's body; and securing the assembly in the patient's body. ### Claim 11 (depends on 10) The method of claim 10, wherein said inserting of the guidewire into the patient's body includes inserting the guidewire into the patient's body while the guidewire extends into the catheter and through both the entry site and the reservoir, such that the access port assembly is inserted into the patient's body when the guidewire is inserted in the patient's body. ### Claim 12 (depends on 10) The method of claim 10, wherein said inserting of the guidewire into the entry site comprises passing the guidewire through the entry site, then passing the guidewire through the reservoir, and then passing the guidewire into the catheter. ### Claim 13 (depends on 10) The method of claim 10, wherein the access port includes at least a first entry site through which the guidewire is inserted and a second entry site, and wherein the method further includes inserting a needle through the second site and at least one of adding fluid to and removing fluid from the reservoir via the needle. ### Claim 14 (depends on 13) The method of claim 13, wherein the first entry site comprises a first self sealing septum and wherein the second entry site comprises a second self sealing septum. ### Claim 15 (depends on 13) The method of claim 13, wherein the first entry site is aligned opposite to an outlet in the access port, the outlet being in fluid communication with the catheter. ### Claim 16 An access port having a body substantially made of a rigid impenetrable material and having an outlet with means for fixedly attaching a catheter in continuous, unimpeded fluid communication with a reservoir disposed within said body, said body having a first entry site comprising a self sealing penetrable septum disposed in the upper portion thereof and a second entry site comprising a closeable port in said body opposite said catheter outlet and substantially in alignment therewith providing outside entry of a guidewire or stylet to said reservoir and said catheter outlet. ### Claim 17 (depends on 16) The access port of claim 16 wherein said port has a single reservoir disposed therein and a single outlet for fixedly attaching a catheter. ### Claim 18 (depends on 16) An access port assembly comprising: the access port of claim 16, and a catheter attached to the outlet. ### Claim 19 (depends on 16) The access port of claim 16, wherein the closeable port comprises a second self sealing septum. ### Claim 20 An access port device comprising: a body; a reservoir in said body; an outlet for fixedly attaching a catheter to the body in continuous, unimpeded fluid communication with said reservoir; and a plurality of sealable entry sites disposed in the body for entry into said reservoir, said entry sites including a first self sealing septum and a second self sealing septum, said second septum being adapted to accept and permit withdrawal of a guidewire or stylet and direct it through said reservoir and outlet and into said catheter to thereby facilitate placement of the catheter. ### Claim 21 (depends on 20) The access port of claim 20, wherein the first self sealing septum includes a first inner surface defining a first portion of the reservoir and the second self sealing septum includes a second inner surface defining a second portion of the reservoir. ### Claim 22 (depends on 20) The access port of claim 20, wherein the first septum is positioned with respect to the reservoir such that passage of at least one of a needle, guidewire, and stylet through the first septum places at least a portion of said at least one needle, guidewire, and stylet in the reservoir and wherein the second septum is positioned with respect to the reservoir such that passage of said at least one of a needle, guidewire, and stylet through the second septum places at least a portion of said at least one needle, guidewire, and stylet in the reservoir. ### Claim 23 An access port comprising: a body; a reservoir in the body; an outlet for fixedly attaching a catheter to the body in continuous, unimpeded fluid communication with said reservoir; multiple sealable entry sites for entry into said reservoir in said body, said multiple entry sites including a first entry site comprising a first self sealing septum, and at least one second entry site comprising a second self sealing septum aligned opposite said outlet and adapted to permit insertion of a guidewire or stylet and direct it into said reservoir and said outlet. ### Claim 24 (depends on 23) The access port of claim 23, wherein the first self sealing septum includes a first inner surface defining a first portion of the reservoir and the second self sealing septum includes a second inner surface defining a second portion of the reservoir. ### Claim 25 (depends on 23) The access port of claim 23, wherein the first septum is positioned with respect to the reservoir such that passage of at least one of a needle, guidewire, and stylet through the first septum places at least a portion of said at least one needle, guidewire, and stylet in the reservoir and wherein the second septum is positioned with respect to the reservoir such that passage of said at least one of a needle, guidewire, and stylet through the second septum places at least a portion of said at least one needle, guidewire, and stylet in the reservoir.