Patents by Inventor Handani Winarta
Handani Winarta 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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Publication number: 20220047191Abstract: A continuous glucose monitoring system and method has an inserter assembly for inserting a sensor through the skin and into subcutaneous tissue where an inserter housing with the sensor remains on the skin after insertion, a sensor housing cover attachable to the sensor housing after insertion where the sensor housing cover has an electronic module and a battery, and an electronic device equipped with wireless communication for communicating with the electronic module of the sensor housing cover assembly, the electronic device configured for receiving input signals from the sensor, converting the input signals to analyte date, displaying the analyte data on a user interface of the electronic device, storing the data for recall, and creating and/or sending reports of the data.Type: ApplicationFiled: October 27, 2021Publication date: February 17, 2022Inventors: Thomas H. Peterson, Handani Winarta, Anthony Florindi
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Patent number: 11197627Abstract: A continuous glucose monitoring system and method has an inserter assembly for inserting a sensor through the skin and into subcutaneous tissue where an inserter housing with the sensor remains on the skin after insertion, a sensor housing cover attachable to the sensor housing after insertion where the sensor housing cover has an electronic module and a battery, and an electronic device equipped with wireless communication for communicating with the electronic module of the sensor housing cover assembly, the electronic device configured for receiving input signals from the sensor, converting the input signals to analyte date, displaying the analyte data on a user interface of the electronic device, storing the data for recall, and creating and/or sending reports of the data.Type: GrantFiled: December 22, 2016Date of Patent: December 14, 2021Assignee: SANVITA MEDICAL CORPORATIONInventors: Thomas H. Peterson, Handani Winarta, Anthony Florindi
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Publication number: 20200015720Abstract: A continuous glucose monitoring system and method has an inserter assembly for inserting a sensor through the skin and into subcutaneous tissue where an inserter housing with the sensor remains on the skin after insertion, a sensor housing cover attachable to the sensor housing after insertion where the sensor housing cover has an electronic module and a battery, and an electronic device equipped with wireless communication for communicating with the electronic module of the sensor housing cover assembly, the electronic device configured for receiving input signals from the sensor, converting the input signals to analyte date, displaying the analyte data on a user interface of the electronic device, storing the data for recall, and creating and/or sending reports of the data.Type: ApplicationFiled: December 22, 2016Publication date: January 16, 2020Applicant: Sanvita Medical, LLCInventors: Thomas H. Peterson, Handani Winarta, Anthony Florindi
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Patent number: 9039874Abstract: A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.Type: GrantFiled: November 12, 2013Date of Patent: May 26, 2015Assignee: Nova Biomedical CorporationInventors: Handani Winarta, Jianhong Pei, Mary Lauro, Chung Chang Young, Xiaohua Cai
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Publication number: 20140069823Abstract: A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.Type: ApplicationFiled: November 12, 2013Publication date: March 13, 2014Applicant: NOVA BIOMEDICAL CORPORATIONInventors: Handani Winarta, Jianhong Pei, Mary Lauro, Chung Chang Young, Xiaohua Cai
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Patent number: 8617366Abstract: A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.Type: GrantFiled: December 12, 2005Date of Patent: December 31, 2013Assignee: Nova Biomedical CorporationInventors: Handani Winarta, Jianhong Pei, Mary Lauro, Chung Chang Young, Xiaohua Cai
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Publication number: 20090223834Abstract: A method of compensating for the presence of hematocrit in a blood sample when measuring a blood analyte using a disposable sensor strip. The method includes disposing a blood sample onto a working electrode and a reference electrode of the disposable sensor strip to obtain a concentration of an analyte in the blood sample, measuring a resistance value of the blood sample between the reference electrode and the working electrode, and calculating a corrected concentration of the analyte using the resistance value and a hematocrit equation to correct for the presence of hematocrit in the blood sample.Type: ApplicationFiled: May 15, 2009Publication date: September 10, 2009Applicant: NOVA BIOMEDICAL CORPORATIONInventors: Xiaohua Cai, Handani Winarta, Chung Chang Young
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Patent number: 7547383Abstract: An improved biosensor having at least a first working electrode and a first electrode material disposed on the first working electrode. The first electrode material is a mixture made by combining at least one enzyme where the at least one enzyme is a capable of reacting with the analyte to be measured, a redox mediator capable of reacting with a product of an enzymatic reaction or a series of enzymatic reactions involving the at least one enzyme, a peroxidase capable of catalyzing a reaction involving the redox mediator where the redox mediator is oxidized, a binder and a surfactant.Type: GrantFiled: June 4, 2004Date of Patent: June 16, 2009Assignee: Nova Biomedical CorporationInventors: Xiaohua Cai, Handani Winarta, Chung Chang Young
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Publication number: 20080006530Abstract: A sensor strip with capillary flow control has a base layer having a plurality of conductive paths delineated thereon, an electrode forming layer disposed on the base layer, the electrode forming layer having a first opening forming a working electrode, a second opening forming a reference electrode, and a flow-control mechanism, a spacer layer disposed on the electrode forming layer, and a cover layer with a vent opening disposed on the spacer layer and forming a substantially flat sample channel with walls formed by the electrode forming layer, the spacer layer and the cover layer, the substantially flat sample chamber having a sample inlet adjacent a proximal end and the vent opening adjacent a distal end where the substantially flat sample chamber contains the working electrode, the reference electrode and the flow-control mechanism.Type: ApplicationFiled: June 19, 2006Publication date: January 10, 2008Inventors: Handani Winarta, Chung Chang Young, Andy Vo, Yu-Tao Chuang, Yu-Feng Chang
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Publication number: 20070131548Abstract: A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.Type: ApplicationFiled: December 12, 2005Publication date: June 14, 2007Applicant: NOVA BIOMEDICAL CORPORATIONInventors: Handani Winarta, Jianhong Pei, Mary Lauro, Chung Young, Xiaohua Cai
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Patent number: 6942770Abstract: A disposable electrode strip for testing a fluid sample including a laminated strip with a first and second end, a vent, an open path for receiving a fluid sample of less than one microliter beginning from the first end and connecting to the vent, a working electrode, a reference electrode and a pseudo-working electrode embedded in the laminated strip within the open path and proximate to the first end, a reagent matrix coextensive within the open path and covering the three electrodes, and conductive contacts located at the second end of the laminated strip.Type: GrantFiled: April 19, 2002Date of Patent: September 13, 2005Assignee: Nova Biomedical CorporationInventors: Xiaohua Cai, Handani Winarta, Andy Vo, Chung Chang Young
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Patent number: 6837976Abstract: A disposable biosensor for testing a fluid sample including a laminated strip with a first and second end, a reference electrode embedded in the laminated strip proximate to the first end, at least one working electrode embedded in the laminated strip proximate to the first end and the reference electrode, an open path for receiving a fluid sample beginning from the first end and connecting to a vent spaced from the first end, the open path being sufficiently long to expose the reference electrode and the working electrode to the fluid sample, and conductive contacts located at the second end of the laminated strip. The laminated strip has a base layer with a conductive coating, a reagent holding layer, a channel forming layer and a cover having an inlet notch at the first end. The working electrode contains a reagent having an enzyme.Type: GrantFiled: April 19, 2002Date of Patent: January 4, 2005Assignee: Nova Biomedical CorporationInventors: Xiaohua Cai, Handani Winarta, Andy Vo, Chung Chang Young
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Publication number: 20040224369Abstract: A disposable biosensor for testing a fluid sample including a laminated strip with a first and second end, a reference electrode embedded in the laminated strip proximate to the first end, at least one working electrode embedded in the laminated strip proximate to the first end and the reference electrode, an open path for receiving a fluid sample beginning from the first end and connecting to a vent spaced from the first end, the open path being sufficiently long to expose the reference electrode and the working electrode to the fluid sample, and conductive contacts located at the second end of the laminated strip. The laminated strip has a base layer with a conductive coating, a reagent holding layer, a channel forming layer and a cover having an inlet notch at the first end. The working electrode contains a reagent having an enzyme.Type: ApplicationFiled: April 19, 2002Publication date: November 11, 2004Inventors: Xiaohua Cai, Handani Winarta, Andy Vo, Chung Chang Young
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Publication number: 20040217019Abstract: An improved biosensor having at least a first working electrode and a first electrode material disposed on the first working electrode. The first electrode material is a mixture made by combining at least one enzyme where the at least one enzyme is a capable of reacting with the analyte to be measured, a redox mediator capable of reacting with a product of an enzymatic reaction or a series of enzymatic reactions involving the at least one enzyme, a peroxidase capable of catalyzing a reaction involving the redox mediator where the redox mediator is oxidized, a binder and a surfactant.Type: ApplicationFiled: June 4, 2004Publication date: November 4, 2004Inventors: Xiaohua Cai, Handani Winarta, Chung Chang Young
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Patent number: 6767441Abstract: An improved biosensor having at least a first working electrode and a first electrode material disposed on the first working electrode. The first electrode material is a mixture made by combining at least one enzyme where the at least one enzyme is a capable of reacting with the analyte to be measured, a redox mediator capable of reacting with a product of an enzymatic reaction or a series of enzymatic reactions involving the at least one enzyme, a peroxidase capable of catalyzing a reaction involving the redox mediator where the redox mediator is oxidized, a binder and a surfactant.Type: GrantFiled: July 31, 2001Date of Patent: July 27, 2004Assignee: Nova Biomedical CorporationInventors: Xiaohua Cai, Handani Winarta, Chung Chang Young
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Publication number: 20030196894Abstract: A disposable electrode strip for testing a fluid sample including a laminated strip with a first and second end, a vent, an open path for receiving a fluid sample of less than one microliter beginning from the first end and connecting to the vent, a working electrode, a reference electrode and a pseudo-working electrode embedded in the laminated strip within the open path and proximate to the first end, a reagent matrix coextensive within the open path and covering the three electrodes, and conductive contacts located at the second end of the laminated strip.Type: ApplicationFiled: April 19, 2002Publication date: October 23, 2003Inventors: Xiaohua Cai, Handani Winarta, Andy Vo, Chung Chang Young
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Patent number: 6287451Abstract: A disposable electrode strip for testing a fluid sample including a laminated strip with a first and second end, a reference electrode embedded in the laminated strip proximate to the first end, at least two working electrodes embedded in the laminated strip proximate to the first end and the reference electrode, an open path for receiving a fluid sample beginning from the first end and being sufficiently long to expose the reference electrode and the working electrodes to the fluid sample, and conductive contacts located at the second end of the laminated strip. The laminated strip has a base layer with a conductive coating, a reagent holding layer, a channel forming layer and a cover. One of the working electrodes contains a reagent substantially similar to the reagent of the reference electrode and a second working electrode contains a reagent having an enzyme.Type: GrantFiled: June 2, 1999Date of Patent: September 11, 2001Inventors: Handani Winarta, Xiaohua Cai, Fung Seto, Chung Chang Young
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Patent number: 6258229Abstract: A disposable electrode strip for testing a fluid sample including a laminated strip with a first and second end, a vent, an open path for receiving a fluid sample of less than one microliter beginning from the first end and connecting to the vent, a working electrode, a reference electrode and a pseudo-working electrode embedded in the laminated strip within the open path and proximate to the first end, a reagent matrix coextensive within the open path and covering the three electrodes, and conductive contacts located at the second end of the laminated strip.Type: GrantFiled: June 2, 1999Date of Patent: July 10, 2001Inventors: Handani Winarta, Xiaohua Cai, Fung Seto, Chung Chang Young
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Patent number: 6197172Abstract: An electrochemical sensor with a gelled membrane for prolonging the useful life of an ion-selective electrode. The gelled membrane is a hydrophilic membrane having a specially-formulated gel layer coated on one side. The gel-coated side of the gelled membrane is in intimate contact with the ion-selective membrane and separates the ion-selective membrane from the test samples and the calibration and cleaning fluids. The gelled membrane is a semi-permeable barrier which allows passage of the species to be measured while inhibiting the passage of surfactant and proteinaceous material into the polymeric ion-selective membrane.Type: GrantFiled: September 28, 1998Date of Patent: March 6, 2001Inventors: David H. Dicks, Handani Winarta, John Hiti, Nicole Pouliot, Jeffrey C. Chien, Chung Chang Young
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Patent number: RE41264Abstract: An improved biosensor having at least a first working electrode and a first electrode material disposed on the first working electrode. The first electrode material is a mixture made by combining at least one enzyme where the at least one enzyme is a capable of reacting with the analyte to be measured, a redox mediator capable of reacting with a product of an enzymatic reaction or a series of enzymatic reactions involving the at least one enzyme, a peroxidase capable of catalyzing a reaction involving the redox mediator where the redox mediator is oxidized, a binder and a surfactant.Type: GrantFiled: July 27, 2006Date of Patent: April 27, 2010Assignee: Nova Biomedical CorporationInventors: Xiaohua Cai, Handani Winarta, Chung Chang Young