Patents by Inventor Mina Chow
Mina Chow 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: 9950144Abstract: An apparatus for delivering devices. The apparatus comprises a catheter with an elongated shaft having a first lumen and a second lumen extending therethrough. The apparatus further comprises a distal section with a lumen in communication with a port in a distal end of the catheter and with the first lumen and the second lumen. The first lumen is configured for a first device and the second lumen is configured for a second device to be disposed therein. The apparatus further comprises a proximal adapter coupled to the elongated shaft with a first port in communication with the first lumen and a second port in communication with the second lumen.Type: GrantFiled: September 24, 2015Date of Patent: April 24, 2018Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Mina Chow, Dwight A. Ambat, Jinhua Chen, Eugene T. Michal
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Publication number: 20160008578Abstract: An apparatus for delivering devices. The apparatus comprises a catheter with an elongated shaft having a first lumen and a second lumen extending therethrough. The apparatus further comprises a distal section with a lumen in communication with a port in a distal end of the catheter and with the first lumen and the second lumen. The first lumen is configured for a first device and the second lumen is configured for a second device to be disposed therein. The apparatus further comprises a proximal adapter coupled to the elongated shaft with a first port in communication with the first lumen and a second port in communication with the second lumen.Type: ApplicationFiled: September 24, 2015Publication date: January 14, 2016Inventors: Mina Chow, Dwight A. Ambat, Jinhua Chen, Eugene T. Michal
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Patent number: 9149602Abstract: An apparatus for delivering devices. The apparatus comprises a catheter with an elongated shaft having a first lumen and a second lumen extending therethrough. The apparatus further comprises a distal section with a lumen in communication with a port in a distal end of the catheter and with the first lumen and the second lumen. The first lumen is configured for a first device and the second lumen is configured for a second device to be disposed therein. The apparatus further comprises a proximal adapter coupled to the elongated shaft with a first port in communication with the first lumen and a second port in communication with the second lumen.Type: GrantFiled: April 22, 2005Date of Patent: October 6, 2015Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Mina Chow, Dwight A. Ambat, Jin Cheng, Eugene Michal
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Patent number: 9023010Abstract: Embodiments include an infusion-occlusion system having a delivery catheter, a guide catheter adapted to receive the delivery catheter, and a guidewire with an occlusion device adapted to be received within the guide catheter. The guide catheter of the catheter kit may be provided with an occlusion device at the distal end of the guide catheter. The delivery catheter may have an accessory lumen, coaxial or co-linear lumen, a supporting mandrel, or an occlusion device at its distal end. Moreover, according to some embodiments, occlusion devices may be a single material or a composite balloon having an inner liner and an outer layer of different materials, a high compliance low pressure balloon, or a filter device that restricts particles from passing through but does not restrict fluid, such as blood. An inflation device with a large volume and low volume syringe can be used to inflate the balloon.Type: GrantFiled: October 24, 2007Date of Patent: May 5, 2015Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Jessica G. Chiu, Gregory Waimong Chan, Gabriel Asongwe, Robert C. Esselstein, Douglas Gesswein, Srinivasan Sridharan, Nianjiong Joan Bei, William E. Webler, Stephen G. Schaible, Mina Chow, Yan Shen, Hongzhi Bai, Mark J. Bly, Thomas R. Hatten
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Patent number: 8303509Abstract: An echogenic medical device, such as a needle catheter, which produces an improved ultrasonic image of the device, and a method of performing a medical procedure using a device of the invention. One aspect is directed to a catheter which reduces artifacts in the ultrasound image of the catheter. In one embodiment, the catheter has a spherical distal tip. Another aspect of the invention is directed to an echogenic catheter with echogenic portions arranged in an array to facilitate determination by ultrasonic imaging of the rotational orientation of the catheter relative to a desired location within the patient.Type: GrantFiled: September 14, 2010Date of Patent: November 6, 2012Assignee: Abbott Cardiovascular Systems Inc.Inventors: William E. Webler, Mina Chow
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Patent number: 8303505Abstract: Methods and apparatuses for the image guidance and documentation of medical procedures. One embodiment includes combining small field of view images into a recorded image of with a large field of view and aligning the small field of view real time image with the recorded image through correlation of imaging data. A location and orientation determination system may be used to track the imaging system and provide a starting set of image alignment parameters and/or provide change updates to a set of image alignment parameters, which is then further improved through correlating imaging data. The recorded image may be selected according to real time measurement of a cardiac parameter during an image guided cardiac procedure. Image manipulations planned based on the recorded image can be stored and applied to the real time information. The position of the medical device may be determined and recorded through manipulating a cursor in a 3-D image space shown in two non-parallel views.Type: GrantFiled: December 2, 2005Date of Patent: November 6, 2012Assignee: Abbott Cardiovascular Systems Inc.Inventors: William E. Webler, Mina Chow
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Patent number: 8118803Abstract: A deflectable catheter assembly and methods of use are herein disclosed. The catheter assembly, in one embodiment, is deflectable and includes a first catheter, a second catheter, and a third catheter. The second catheter fits coaxially within the first catheter. In some embodiments, the first and/or second catheter can be constituently different from proximal end to distal end. At least one of the first catheter and the second catheter include a deflectable portion to allow deflection of that catheter from a first position to a second position. The third catheter has a sheath and a medical instrument positioned within the sheath. The third catheter fits coaxially within the second catheter.Type: GrantFiled: December 19, 2006Date of Patent: February 21, 2012Assignee: Abbott Cardiovascular Systems Inc.Inventor: Mina Chow
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Patent number: 8114144Abstract: Delivery system for delivery of a medical device includes an inner member having a proximal section, a distal section and a longitudinal axis therebetween. The inner member has a first layer and a second layer wherein the first layer and the second layer are attached together at a first segment and a second segment. The second segment is spaced from the first segment along a length of the inner member and the first layer and the second layer are free of attachment between the first segment and the second segment. The inner member further includes at least two wires disposed along the length of the inner member between the first layer and the second layer. As disclosed, the at least two wires can include a first coil and a second coil moveable relative to each other between the first and second segments.Type: GrantFiled: October 17, 2008Date of Patent: February 14, 2012Assignee: Abbott Cardiovascular Systems Inc.Inventors: Mina Chow, William Jason Fox, Gregory W. Chan, William E. Webler, Jr.
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Patent number: 7998112Abstract: A deflectable catheter assembly is disclosed. The assembly comprises a catheter shaft having a catheter proximal section and a catheter distal section, and at least one lumen extending therethrough. The catheter distal section is more flexible than the catheter proximal section. A tendon is disposed within a first lumen of said catheter shaft. The first lumen is approximately centrally located within the catheter shaft at the catheter proximal section. The first lumen is located off-center of the catheter shaft at the catheter distal section. The tendon is able to deflect the catheter distal section when being pulled on. A catheter handle is coupled to the catheter shaft at the catheter proximal section, the catheter handle includes a control mechanism to control the tendon.Type: GrantFiled: September 30, 2003Date of Patent: August 16, 2011Assignee: Abbott Cardiovascular Systems Inc.Inventors: Mina Chow, Barbara Stramberg, William E. Webler, John A. Simpson, August R. Yambao, Gabriel F. Asongwe, Jessica G. Chiu, Lili Liu, Dagmar Beyerlein
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Publication number: 20110196187Abstract: Apparatuses for delivering compositions of matter comprising a magnetically sensitive drug carrier and a related drug and methods for causing the drug carriers to localize within the patient using an internal or external magnetic field are described.Type: ApplicationFiled: February 11, 2010Publication date: August 11, 2011Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.Inventors: Florian Niklas Ludwig, Syed Faiyaz Ahmed Hossainy, Bjorn Svensson, Adam Sharkawy, Michael J. Cima, Omid C. Farokhzad, Jesus Magana, Randolf Von Oepen, Mina Chow, William E. Webler, JR., Travis R. Yribarren, Kevin J. Ehrenreich
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Patent number: 7887661Abstract: Embodiments include an infusion-occlusion system having a delivery catheter, a guide catheter adapted to receive the delivery catheter, and a guidewire with an occlusion device adapted to be received within the guide catheter. The guide catheter of the catheter kit may be provided with an occlusion device at the distal end of the guide catheter. The delivery catheter may have an accessory lumen, coaxial or co-linear lumen, a supporting mandrel, or an occlusion device at its distal end. Moreover, according to some embodiments, occlusion devices may be a single material or a composite balloon having an inner liner and an outer layer of different materials, a high compliance low pressure balloon, or a filter device that restricts particles from passing through but does not restrict fluid, such as blood. An inflation device with a large volume and low volume syringe can be used to inflate the balloon.Type: GrantFiled: October 24, 2007Date of Patent: February 15, 2011Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Jessica G. Chiu, Gregory Waimong Chan, Gabriel Asongwe, Robert C. Esselstein, Douglas Gesswein, Srinivasan Sridharan, Nianjiong Joan Bei, William E. Webler, Stephen G. Schaible, Mina Chow, Yan Shen, Hongzhi Bai, Mark J. Bly, Thomas R. Hatten
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Patent number: 7867169Abstract: An echogenic medical device, such as a needle catheter, which produces an improved ultrasonic image of the device, and a method of performing a medical procedure using a device of the invention. One aspect is directed to a catheter which reduces artifacts in the ultrasound image of the catheter. In one embodiment, the catheter has a spherical distal tip. Another aspect of the invention is directed to an echogenic catheter with echogenic portions arranged in an array to facilitate determination by ultrasonic imaging of the rotational orientation of the catheter relative to a desired location within the patient.Type: GrantFiled: December 2, 2005Date of Patent: January 11, 2011Assignee: Abbott Cardiovascular Systems Inc.Inventors: William E. Webler, Mina Chow
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Publication number: 20100331697Abstract: An echogenic medical device, such as a needle catheter, which produces an improved ultrasonic image of the device, and a method of performing a medical procedure using a device of the invention. One aspect is directed to a catheter which reduces artifacts in the ultrasound image of the catheter. In one embodiment, the catheter has a spherical distal tip. Another aspect of the invention is directed to an echogenic catheter with echogenic portions arranged in an array to facilitate determination by ultrasonic imaging of the rotational orientation of the catheter relative to a desired location within the patient.Type: ApplicationFiled: September 14, 2010Publication date: December 30, 2010Inventors: William E. Webler, Mina Chow
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Publication number: 20090270787Abstract: A system for enlarging endothelium migration channels at a treatment site in a coronary vessel wall, to enable enhanced delivery of a therapeutic agent thereto. The system includes an enlarging agent, for enlarging endothelium migration channels at a treatment site in a coronary vessel wall. It also includes a delivery system, for delivering the enlarging agent to the treatment site, so that the enlarging agent will be delivered thereby to enlarge the endothelium migration channels at the treatment site, and for delivering the therapeutic agent to the delivery site. The therapeutic agent will thereby be delivered into the enlarged migration channels at the treatment site, to treat the treatment site with the therapeutic agent.Type: ApplicationFiled: April 23, 2008Publication date: October 29, 2009Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.Inventors: Randolf von Oepen, Travis R. Yribarren, Kevin J. Ehrenreich, William E. Webler, JR., Binh T. Nguyen, Mina Chow, Gregory W. Chan, Rachel Bright
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Publication number: 20090157162Abstract: A delivery system for delivery of a medical device, the delivery system having an inner member having a proximal section, a distal section and a longitudinal axis therebetween, and an outer member disposed about the inner member, wherein the distal section of the inner member includes at least two wires wound about the inner member.Type: ApplicationFiled: October 17, 2008Publication date: June 18, 2009Inventors: Mina Chow, William Jason Fox, Gregory W. Chan, William E. Webler, JR.
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Publication number: 20090018498Abstract: Embodiments include an infusion-occlusion system having a delivery catheter, a guide catheter adapted to receive the delivery catheter, and a guidewire with an occlusion device adapted to be received within the guide catheter. The guide catheter of the catheter kit may be provided with an occlusion device at the distal end of the guide catheter. The delivery catheter may have an accessory lumen, coaxial or co-linear lumen, a supporting mandrel, or an occlusion device at its distal end. Moreover, according to some embodiments, occlusion devices may be a single material or a composite balloon having an inner liner and an outer layer of different materials, a high compliance low pressure balloon, or a filter device that restricts particles from passing through but does not restrict fluid, such as blood. An inflation device with a large volume and low volume syringe can be used to inflate the balloon.Type: ApplicationFiled: October 24, 2007Publication date: January 15, 2009Inventors: Jessica G. Chiu, Gregory Waimong Chan, Gabriel Asongwe, Robert C. Esselstein, Douglas Gesswein, Srinivasan Sridharan, Nianjiong Joan Bei, William E. Webler, Stephen G. Schaible, Mina Chow, Yan Shen, Hongzhi Bai, Mark J. Bly, Thomas R. Hatten
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Publication number: 20090005733Abstract: Embodiments include an infusion-occlusion system having a delivery catheter, a guide catheter adapted to receive the delivery catheter, and a guidewire with an occlusion device adapted to be received within the guide catheter. The guide catheter of the catheter kit may be provided with an occlusion device at the distal end of the guide catheter. The delivery catheter may have an accessory lumen, coaxial or co-linear lumen, a supporting mandrel, or an occlusion device at its distal end. Moreover, according to some embodiments, occlusion devices may be a single material or a composite balloon having an inner liner and an outer layer of different materials, a high compliance low pressure balloon, or a filter device that restricts particles from passing through but does not restrict fluid, such as blood. An inflation device with a large volume and low volume syringe can be used to inflate the balloon.Type: ApplicationFiled: October 24, 2007Publication date: January 1, 2009Inventors: Jessica G. Chiu, Gregory Waimong Chan, Gabriel Asongwe, Robert C. Esselstein, Douglas Gesswein, Srinivasan Sridharan, Nianjiong Joan Bei, William E. Webler, Stephen G. Schaible, Mina Chow, Yan Shen, Hongzhi Bai, Mark J. Bly, Thomas R. Hatten
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Publication number: 20080103478Abstract: Embodiments include an infusion-occlusion system having a delivery catheter, a guide catheter adapted to receive the delivery catheter, and a guidewire with an occlusion device adapted to be received within the guide catheter. The guide catheter of the catheter kit may be provided with an occlusion device at the distal end of the guide catheter. The delivery catheter may have an accessory lumen, coaxial or co-linear lumen, a supporting mandrel, or an occlusion device at its distal end. Moreover, according to some embodiments, occlusion devices may be a single material or a composite balloon having an inner liner and an outer layer of different materials, a high compliance low pressure balloon, or a filter device that restricts particles from passing through but does not restrict fluid, such as blood. An inflation device with a large volume and low volume syringe can be used to inflate the balloon.Type: ApplicationFiled: October 24, 2007Publication date: May 1, 2008Inventors: Jessica Chiu, Gregory Chan, Gabriel Asongwe, Robert Esselstein, Douglas Gesswein, Srinivasan Sridharan, Nianjiong Bei, William Webler, Stephen Schaible, Mina Chow, Yan Shen, Hongzhi Bai, Mark Bly, Thomas Hatten
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Publication number: 20080103523Abstract: Embodiments include an infusion-occlusion system having a delivery catheter, a guide catheter adapted to receive the delivery catheter, and a guidewire with an occlusion device adapted to be received within the guide catheter. The guide catheter of the catheter kit may be provided with an occlusion device at the distal end of the guide catheter. The delivery catheter may have an accessory lumen, coaxial or co-linear lumen, a supporting mandrel, or an occlusion device at its distal end. Moreover, according to some embodiments, occlusion devices may be a single material or a composite balloon having an inner liner and an outer layer of different materials, a high compliance low pressure balloon, or a filter device that restricts particles from passing through but does not restrict fluid, such as blood. An inflation device with a large volume and low volume syringe can be used to inflate the balloon.Type: ApplicationFiled: October 24, 2007Publication date: May 1, 2008Inventors: Jessica Chiu, Gregory Chan, Gabriel Asongwe, Robert Esselstein, Douglas Gesswein, Srinivasan Sridharan, Nianjiong Bei, William Webler, Stephen Schaible, Mina Chow, Yan Shen, Hongzhi Bai, Mark Bly, Thomas Hatten
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Publication number: 20080041516Abstract: Embodiments include an infusion-occlusion system having a delivery catheter, a guide catheter adapted to receive the delivery catheter, and a guidewire with an occlusion device adapted to be received within the guide catheter. The guide catheter of the catheter kit may be provided with an occlusion device at the distal end of the guide catheter. The delivery catheter may have an accessory lumen, coaxial or co-linear lumen, a supporting mandrel, or an occlusion device at its distal end. Moreover, according to some embodiments, occlusion devices may be a single material or a composite balloon having an inner liner and an outer layer of different materials, a high compliance low pressure balloon, or a filter device that restricts particles from passing through but does not restrict fluid, such as blood. An inflation device with a large volume and low volume syringe can be used to inflate the balloon.Type: ApplicationFiled: October 24, 2007Publication date: February 21, 2008Inventors: Jessica Chiu, Gregory Chan, Gabriel Asongwe, Robert Esselstein, Douglas Gesswein, Srinivasan Sridharan, Nianjiong Bei, William Webler, Stephen Schaible, Mina Chow, Yan Shen, Hongzhi Bai, Mark Bly, Thomas Hatten