Patents by Inventor Angel Lasso
Angel Lasso has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8920356Abstract: A coupler includes a conductive polymer material that is so constructed and arranged to join tubing, wherein the conductive polymer material includes a conductive polymer component selected from the group consisting of polyaniline, polypyrrole, polythiophenes, polyethylenedioxythiophene, poly(p-phenylene vinylene) and mixtures thereof.Type: GrantFiled: June 30, 2011Date of Patent: December 30, 2014Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: Sherwin Shang, Ramesh Wariar, Angel Lasso, George Lamberson, Dan F. Marcquenski, Jr., Jan Jensen, David Kuhn, Raf Castellanos
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Patent number: 8801646Abstract: An extracorporeal blood system includes: an extracorporeal blood machine; an arterial line extending from the extracorporeal blood machine; a venous line extending from the extracorporeal blood machine; and an access disconnection circuit for detecting a disconnection of at least one of the arterial or venous lines from a patient, the access disconnection circuit including (i) a signal generation source having first and second signal generation source electrical lines each in electrical communication with blood traveling through one of the arterial or venous lines, (ii) a conductive pathway electrically communicating blood traveling through the arterial line with blood traveling through the venous line, and (iii) a signal processing unit positioned and arranged to process a signal generated by the source to detect the disconnection of the at least one of the arterial and venous lines.Type: GrantFiled: December 10, 2012Date of Patent: August 12, 2014Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: James Han, Thomas P. Hartranft, Thomas D. Kelly, Angel Lasso
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Patent number: 8708946Abstract: An extracorporeal blood machine includes a blood circuit; an access device enabling the blood circuit to be connected to a patient; first and second coupling devices for connecting to first and second tubes of the circuit; first and second electrodes held by the first and second coupling devices to contact blood flowing through the blood circuit, the electrodes enabling an electrical signal to be injected into the circuit; first and second contact members contacting the first and second electrodes, wherein at least one of the coupling devices includes a stem portion enabling at least one of the first and second contact members to contact at least one of the first and second electrodes, respectively, on an outer portion of the at least one electrode without disturbing blood flowing through the coupling device; and electronics coupled operably to the first and second contact members for applying the electrical signal.Type: GrantFiled: March 5, 2012Date of Patent: April 29, 2014Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: James Han, Thomas P. Hartranft, Thomas D. Kelly, Angel Lasso
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Publication number: 20120215151Abstract: An extracorporeal blood machine includes a blood circuit; an access device enabling the blood circuit to be connected to a patient; first and second coupling devices for connecting to first and second tubes of the circuit; first and second electrodes held by the first and second coupling devices to contact blood flowing through the blood circuit, the electrodes enabling an electrical signal to be injected into the circuit; first and second contact members contacting the first and second electrodes, wherein at least one of the coupling devices includes a stem portion enabling at least one of the first and second contact members to contact at least one of the first and second electrodes, respectively, on an outer portion of the at least one electrode without disturbing blood flowing through the coupling device; and electronics coupled operably to the first and second contact members for applying the electrical signal.Type: ApplicationFiled: March 5, 2012Publication date: August 23, 2012Applicants: BAXTER HEALTHCARE S.A., BAXTER INTERNATIONAL INC.Inventors: James Han, Thomas P. Hartranft, Thomas D. Kelly, Angel Lasso
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Patent number: 8137300Abstract: An extracorporeal blood system includes: an extracorporeal blood machine including an extracorporeal blood circuit; an access device enabling the extracorporeal blood circuit to be connected to a patient; first and second tube connecting members for connecting respectively to first and second tubes of the extracorporeal circuit; first and second electrodes held, at least in part, by the first and second tube connecting members so as to contact blood flowing through the extracorporeal blood circuit, the first and second electrodes enabling an electrical signal to be injected into the extracorporeal blood circuit; first and second contact members contacting the first and second electrodes respectively; and electronics coupled operably to the first and second contact members for applying the electrical signal, the signal used to monitor the access device.Type: GrantFiled: March 19, 2010Date of Patent: March 20, 2012Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: James Han, Thomas P. Hartranft, Thomas D. Kelly, Angel Lasso
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Publication number: 20110264042Abstract: A coupler includes a conductive polymer material that is so constructed and arranged to join tubing, wherein the conductive polymer material includes a conductive polymer component selected from the group consisting of polyaniline, polypyrrole, polythiophenes, polyethylenedioxythiophene, poly(p-phenylene vinylene) and mixtures thereof.Type: ApplicationFiled: June 30, 2011Publication date: October 27, 2011Applicants: BAXTER HEALTHCARE S.A., BAXTER INTERNATIONAL INC.Inventors: Sherwin Shang, Ramesh Wariar, Angel Lasso, George Lamberson, Dan F. Marcquenski, JR., Jan Jensen, David Kuhn, Raf Castellanos
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Publication number: 20100185132Abstract: An extracorporeal blood system includes: an extracorporeal blood machine including an extracorporeal blood circuit; an access device enabling the extracorporeal blood circuit to be connected to a patient; first and second tube connecting members for connecting respectively to first and second tubes of the extracorporeal circuit; first and second electrodes held, at least in part, by the first and second tube connecting members so as to contact blood flowing through the extracorporeal blood circuit, the first and second electrodes enabling an electrical signal to be injected into the extracorporeal blood circuit; first and second contact members contacting the first and second electrodes respectively; and electronics coupled operably to the first and second contact members for applying the electrical signal, the signal used to monitor the access device.Type: ApplicationFiled: March 19, 2010Publication date: July 22, 2010Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.Inventors: James Han, Thomas P. Hartranft, Thomas D. Kelly, Angel Lasso
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Patent number: 7682328Abstract: An extracorporeal blood system includes: (i) an extracorporeal blood machine; an extracorporeal blood circuit coupled operably to the machine, the extracorporeal blood circuit including first and second blood lines, the blood lines configured to be in blood flow communication with a patient; (ii) an electrical loop including first and second electrodes placed in contact with blood flowing through the extracorporeal blood circuit; (iii) a device configured to inject an electrical signal into the blood circuit via the loop; and (iv) a third electrode placed in contact with blood flowing through the extracorporeal blood circuit, the third electrode configured to enable a change in an electrical value to be measured so that an access disconnection of the extracorporeal blood circuit from the patient can be measured.Type: GrantFiled: January 16, 2006Date of Patent: March 23, 2010Assignee: Baxter International Inc.Inventors: James Han, Thomas P. Hartranft, Thomas D. Kelly, Angel Lasso
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Publication number: 20080065006Abstract: An access disconnection system includes an extracorporeal circuit; first and second contacts provided in the extracorporeal circuit; a current source communicating with the first contact and configured to generate a current within fluid flowing through the extracorporeal circuit; and an apparatus positioned to apply a signal at multiple points along a path from the extracorporeal circuit, the signals tending to prevent at least a portion of the current from traveling through a ground path in parallel to the extracorporeal circuit.Type: ApplicationFiled: February 16, 2007Publication date: March 13, 2008Applicants: BAXTER INTERNATIONAL, INC., BAXTER HEALTHCARE S.A.Inventors: Rodolfo Roger, Thomas Hartranft, Ramesh Wariar, Angel Lasso, George Lamberson
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Publication number: 20070117010Abstract: A coupler includes a conductive polymer material that is so constructed and arranged to join tubing, wherein the conductive polymer material includes a conductive polymer component selected from the group consisting of polyaniline, polypyrrole, polythiophenes, polyethylenedioxythiophene, poly(p-phenylene vinylene) and mixtures thereof.Type: ApplicationFiled: January 23, 2007Publication date: May 24, 2007Applicants: Baxter International Inc., Baxter Healthcare S.A.Inventors: Sherwin Shang, Ramesh Wariar, Angel Lasso, George Lamberson, Dan Marcquenski, Jan Jensen, David Kuhn, Raf Castellanos
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Patent number: 7147615Abstract: An apparatus for detecting dislodgement of a needle inserted into a patient includes a sensor for detecting wetness due to blood and a sensor holder to secure the sensor to the patient such that the sensor detects wetness due to blood loss from the patient upon dislodgement of the needle. Methods and apparatuses for detecting, monitoring and/or controlling blood loss from a patient due to needle dislodgement are also provided.Type: GrantFiled: June 22, 2001Date of Patent: December 12, 2006Assignee: Baxter International Inc.Inventors: Ramesh Wariar, Thomas P. Hartranft, Norm Cameron, Angel Lasso, Hector Caro
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Publication number: 20060116623Abstract: An extracorporeal blood system includes: (i) an extracorporeal blood machine; an extracorporeal blood circuit coupled operably to the machine, the extracorporeal blood circuit including first and second blood lines, the blood lines configured to be in blood flow communication with a patient; (ii) an electrical loop including first and second electrodes placed in contact with blood flowing through the extracorporeal blood circuit; (iii) a device configured to inject an electrical signal into the blood circuit via the loop; and (iv) a third electrode placed in contact with blood flowing through the extracorporeal blood circuit, the third electrode configured to enable a change in an electrical value to be measured so that an access disconnection of the extracorporeal blood circuit from the patient can be measured.Type: ApplicationFiled: January 16, 2006Publication date: June 1, 2006Inventors: James Han, Thomas Hartranft, Thomas Kelly, Angel Lasso
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Patent number: 7052480Abstract: Apparatuses, devices, systems and methods for detecting access disconnection during medical therapy are provided. The present invention includes an electric circuit coupled to, for example, a blood circuit used during dialysis therapy. The electric circuit can inject an electrical signal into the blood circuit such that changes in an electrical value in response to access disconnection, such as needle drop-out or catheter drop-out, can be effectively detected.Type: GrantFiled: April 10, 2002Date of Patent: May 30, 2006Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: James Han, Thomas P. Hartranft, Thomas D. Kelly, Angel Lasso
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Publication number: 20040254513Abstract: Conductive materials and devices, apparatuses, systems and methods that employ same. The conductive material can include a conductive polymer material that can be utilized to monitor one or a combination of conditions during patient therapy, such as patient access, solution compounding and the like. This can facilitate the safe and effective administration of patient therapy, such as dialysis therapy.Type: ApplicationFiled: January 19, 2004Publication date: December 16, 2004Inventors: Sherwin Shang, Ramesh Wariar, Angel Lasso, George Lamberson, Dan F. Marcquenski, Jan Jensen, David Kuhn, Raf Castellanos
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Publication number: 20030195453Abstract: Apparatuses, devices, systems and methods for detecting access disconnection during medical therapy are provided. The present invention includes an electric circuit coupled to, for example, a blood circuit used during dialysis therapy. The electric circuit can be adapted to inject an electrical signal into the blood circuit such that changes in an electrical value in response to access disconnection, such as needle dropout or catheter drop-out, can be effectively detected.Type: ApplicationFiled: April 10, 2002Publication date: October 16, 2003Inventors: James Han, Thomas P. Hartranft, Thomas D. Kelly, Angel Lasso
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Publication number: 20020198483Abstract: An apparatus for detecting dislodgement of a needle inserted into a patient is provided comprising a sensor capable of detecting wetness due to blood and a sensor holder adapted to secure the sensor to the patient such that the sensor detects wetness due to blood loss from the patient upon dislodgement of the needle. Methods and apparatuses for detecting, monitoring and/or controlling blood loss from a patient due to needle dislodgement are also provided.Type: ApplicationFiled: June 22, 2001Publication date: December 26, 2002Inventors: Ramesh Wariar, Thomas P. Hartranft, Norm Cameron, Angel Lasso, Hector Caro