Patents by Inventor Kimberly A. Chaffin
Kimberly A. Chaffin 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: 11548974Abstract: A modified polyisobutylene-based polymer, method of making, and a medical device that includes such polymer, wherein the modified polyisobutylene-based polymer includes urethane, urea, or urethane-urea groups, hard segments, and soft segments, wherein the soft segments comprise phenoxy-containing polyisobutylene residues, and the hard segments include diisocyanate residues and optionally chain extender residues.Type: GrantFiled: December 4, 2020Date of Patent: January 10, 2023Assignee: Medtronic, Inc.Inventors: Kimberly A. Chaffin, Xiangji Chen, Matthew Jolly, SuPing Lyu, Peter L. Thor, Darrel F. Untereker, Zhaoxu Wang
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Publication number: 20220354992Abstract: Systems and methods for tissue engineered synthetic support structures, such as grafts and patches are provided. The systems and methods can be used to make tissue engineered planar sheathes or meshes that can be fashioned into substantially planar or non-planar 3D tissue/organ structures adaptable to structure and organs within a human or mammalian body. The systems and methods can use bioink deposited on a material having specified properties and matured under specified conditions to create the tissue engineered planar sheathes or meshes having biomechanical and biological properties tailored to a particular tissue.Type: ApplicationFiled: November 18, 2021Publication date: November 10, 2022Applicants: Medtronic Inc., Sofradim ProductionInventors: Markus W. Reiterer, Kimberly A. Chaffin, Darlene P. Nebinger, Angela M. Throm Quinlan, Michael F. Wolf, Yves Bayon
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Publication number: 20220354632Abstract: The disclosure relates to systems and methods for tissue engineered grafts. The systems and methods can be used to make tissue engineered vascular grafts. The systems and methods use bioink deposited on a material having specified properties and matured under specified conditions to create the tissue engineered grafts having biomechanical properties tailored to a particular tissue.Type: ApplicationFiled: May 4, 2022Publication date: November 10, 2022Applicant: Medtronic, Inc.Inventors: Markus W Reiterer, Kimberly A. Chaffin, Michael F. Wolf
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Publication number: 20210115182Abstract: A modified polyisobutylene-based polymer, method of making, and a medical device that includes such polymer, wherein the modified polyisobutylene-based polymer includes urethane, urea, or urethane-urea groups, hard segments, and soft segments, wherein the soft segments comprise phenoxy-containing polyisobutylene residues, and the hard segments include diisocyanate residues and optionally chain extender residues.Type: ApplicationFiled: December 4, 2020Publication date: April 22, 2021Inventors: Kimberly A. Chaffin, Xiangji Chen, Matthew Jolly, SuPing Lyu, Peter L. Thor, Darrel F. Untereker, Zhaoxu Wang
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Patent number: 10882945Abstract: A modified polyisobutylene-based polymer, method of making, and a medical device that includes such polymer, wherein the modified polyisobutylene-based polymer includes urethane, urea, or urethane-urea groups, hard segments, and soft segments, wherein the soft segments comprise phenoxy-containing polyisobutylene residues, and the hard segments include diisocyanate residues and optionally chain extender residues.Type: GrantFiled: March 20, 2019Date of Patent: January 5, 2021Assignee: Medtronic, Inc.Inventors: Kimberly A. Chaffin, Xiangji Chen, Matthew Jolly, SuPing Lyu, Peter L. Thor, Darrel F. Untereker, Zhaoxu Wang
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Publication number: 20190292302Abstract: A modified polyisobutylene-based polymer, method of making, and a medical device that includes such polymer, wherein the modified polyisobutylene-based polymer includes urethane, urea, or urethane-urea groups, hard segments, and soft segments, wherein the soft segments comprise phenoxy-containing polyisobutylene residues, and the hard segments include diisocyanate residues and optionally chain extender residues.Type: ApplicationFiled: March 20, 2019Publication date: September 26, 2019Inventors: Kimberly A. CHAFFIN, Xiangji CHEN, Matthew JOLLY, SuPing LYU, Peter L. THOR, Darrel F. UNTEREKER, Zhaoxu WANG
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Publication number: 20190292327Abstract: A poly(ether-carbonate)-based polymer and a medical device that includes such polymer, wherein the poly(ether-carbonate)-based polymer includes urethane, urea, or urethane-urea groups, hard segments, and soft segments, wherein the soft segments include poly(ether-carbonate) residues and at least one of polyisobutylene (PIB) residues and hydrogenated polybutadiene residues, and the hard segments include diisocyanate residues and optionally chain extender residues.Type: ApplicationFiled: March 20, 2019Publication date: September 26, 2019Inventors: Kimberly A. CHAFFIN, Xiangji CHEN, Matthew JOLLY, SuPing LYU, Peter L. THOR, Darrel F. UNTEREKER, Zhaoxu WANG
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Publication number: 20160121101Abstract: Medical leads, such as medical electrical leads and medical neurological leads, that include a polymeric material that includes a silicone-urethane-containing polymer having improved hydrolytic stability.Type: ApplicationFiled: December 23, 2015Publication date: May 5, 2016Inventors: Kimberly A. Chaffin, Matthew Jolly, Darrel F. Untereker, Adam J. Buckalew, Xiangji Chen, Thomas P. Grailer, Julie Alkatout
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Patent number: 9220888Abstract: Medical leads, such as medical electrical leads and medical neurological leads, that include a polymeric material that includes a silicone-urethane-containing polymer having improved hydrolytic stability.Type: GrantFiled: March 7, 2013Date of Patent: December 29, 2015Assignee: Medtronic, Inc.Inventors: Kimberly A. Chaffin, Matthew Jolly, Darrel F. Untereker, Adam J. Buckalew, Xiangji Chen, Thomas P. Grailer, Julie Alkatout
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Publication number: 20150030913Abstract: A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing provides a cover and a shallow case a preferably planar, major bottom portion, an open top to receive the cover opposing the bottom portion, and a plurality of sides being radiused at intersections with each other and with the bottom to allow for the close abutting of other components located within the implantable device while also providing for efficient location of the battery within an arcuate edge of the device. The cover and the shallow case being substantially hermetically sealed by a laser weld technique and an insulator member disposed within the case to provide a barrier to incident laser radiation so that during welding radiation does not impinge upon radiation sensitive component(s) disposed within the case.Type: ApplicationFiled: August 6, 2014Publication date: January 29, 2015Inventors: Paul B. Aamodt, Franise D. Bartley, Steven M. Bruesehoff, Kurt J. Casby, David P. Haas, Karl E. Hokanson, Thomas M. Nutzman, Andrew J. Ries, Scott J. Robinson, Randy S. Roles, Sonja K. Somdahl, Walter C. Sunderland, Jason T. Papenfuss, William J. Farrell, Kimberly A. Chaffin
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Patent number: 8916290Abstract: A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing provides a cover and a shallow case a preferably planar, major bottom portion, an open top to receive the cover opposing the bottom portion, and a plurality of sides being radiused at intersections with each other and with the bottom to allow for the close abutting of other components located within the implantable device while also providing for efficient location of the battery within an arcuate edge of the device. The cover and the shallow case being substantially hermetically sealed by a laser weld technique and an insulator member disposed within the case to provide a barrier to incident laser radiation so that during welding radiation does not impinge upon radiation sensitive component(s) disposed within the case.Type: GrantFiled: March 5, 2013Date of Patent: December 23, 2014Assignee: Medtronic, Inc.Inventors: Paul B. Aamodt, Franise D. Bartley, Steve M. Bruesehoff, Kurt J. Casby, David P. Haas, Karl E. Hokanson, Thomas M. Nutzman, Andrew J. Ries, Scott J. Robinson, Randy S. Roles, Sonja K. Somdahl, Walter C. Sunderland, Jason T. Papenfuss, William J. Farrell, Kimberly A. Chaffin
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Publication number: 20140148754Abstract: The invention relates to a method and device for dialysis and or bulk fluid removal by generating a fibrosis chamber within a body cavity and performing dialysis or bulk fluid removal. An implantable medical device is described having a fibrosis chamber and a pump. A dialysis chamber and an optional electrodialysis unit can further be provided. An additional controller uses sensory feedback to regulate the fluid levels by altering the extracellular fluid retention within the fibrosis chamber. This device can be used for the treatment of patients with chronic kidney disease who may also be suffering from cardiorenal syndrome and hypertension.Type: ApplicationFiled: February 1, 2014Publication date: May 29, 2014Applicant: MEDTRONIC, INC.Inventors: Orhan Soykan, Carl Schu, Kimberly A. Chaffin
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Patent number: 8641659Abstract: The invention relates to a method and device for dialysis and or bulk fluid removal by generating a fibrosis chamber within a body cavity and performing dialysis or bulk fluid removal. An implantable medical device is described having a fibrosis chamber and a pump. A dialysis chamber and an optional electrodialysis unit can further be provided. An additional controller uses sensory feedback to regulate the fluid levels by altering the extracellular fluid retention within the fibrosis chamber. This device can be used for the treatment of patients with chronic kidney disease who may also be suffering from cardiorenal syndrome and hypertension.Type: GrantFiled: February 17, 2012Date of Patent: February 4, 2014Assignee: Medtronic, Inc.Inventors: Orhan Soykan, Carl Schu, Kimberly Chaffin
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Publication number: 20130266844Abstract: A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing provides a cover and a shallow case a preferably planar, major bottom portion, an open top to receive the cover opposing the bottom portion, and a plurality of sides being radiused at intersections with each other and with the bottom to allow for the close abutting of other components located within the implantable device while also providing for efficient location of the battery within an arcuate edge of the device. The cover and the shallow case being substantially hermetically sealed by a laser weld technique and an insulator member disposed within the case to provide a barrier to incident laser radiation so that during welding radiation does not impinge upon radiation sensitive component(s) disposed within the case.Type: ApplicationFiled: March 5, 2013Publication date: October 10, 2013Inventors: Paul B. Aamodt, Franise D. Bartley, Steve M. Bruesehoff, Kurt J. Casby, David P. Haas, Karl E. Hokanson, Thomas M. Nutzman, Andrew J. Ries, Scott J. Robinson, Randy S. Roles, Sonja K. Somdahl, Walter C. Sunderland, Jason T. Papenfuss, William J. Farrell, Kimberly A. Chaffin
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Publication number: 20130261715Abstract: Medical leads, such as medical electrical leads and medical neurological leads, that include a polymeric material that includes a silicone-urethane-containing polymer having improved hydrolytic stability.Type: ApplicationFiled: March 7, 2013Publication date: October 3, 2013Inventors: Kimberly A. Chaffin, Matthew Jolly, Darrel F. Untereker, Adam J. Buckalew, Xiangji Chen, Thomas P. Grailer, Julie Alkatout
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Patent number: 8389155Abstract: A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing provides a cover and a shallow case a preferably planar, major bottom portion, an open top to receive the cover opposing the bottom portion, and a plurality of sides being radiused at intersections with each other and with the bottom to allow for the close abutting of other components located within the implantable device while also providing for efficient location of the battery within an arcuate edge of the device. The cover and the shallow case being substantially hermetically sealed by a laser weld technique and an insulator member disposed within the case to provide a barrier to incident laser radiation so that during welding radiation does not impinge upon radiation sensitive component(s) disposed within the case.Type: GrantFiled: June 28, 2011Date of Patent: March 5, 2013Assignee: Medtronic, Inc.Inventors: Paul B. Aamodt, Franise D. Bartley, Steve M. Bruesehoff, Kurt J. Casby, David P. Haas, Karl E. Hokanson, Thomas M. Nutzman, Andrew J. Ries, Scott J. Robinson, Randy S. Roles, Sonja K. Somdahl, Walter C. Sunderland, Jason T. Papenfuss, William J. Farrell, Kimberly A. Chaffin
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Publication number: 20120265164Abstract: This relates to fluid delivery devices and methods and, more particularly, to implantable fluid delivery devices and methods of use. A flow restrictor for medical devices is described with particularly useful properties.Type: ApplicationFiled: April 11, 2012Publication date: October 18, 2012Applicant: MEDTRONIC, INC.Inventors: Markus W. Reiterer, Dale F. Seeley, Kimberly A. Chaffin
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Publication number: 20120220926Abstract: The invention relates to a method and device for dialysis and or bulk fluid removal by generating a fibrosis chamber within a body cavity and performing dialysis or bulk fluid removal. An implantable medical device is described having a fibrosis chamber and a pump. A dialysis chamber and an optional electrodialysis unit can further be provided. An additional controller uses sensory feedback to regulate the fluid levels by altering the extracellular fluid retention within the fibrosis chamber. This device can be used for the treatment of patients with chronic kidney disease who may also be suffering from cardiorenal syndrome and hypertension.Type: ApplicationFiled: February 17, 2012Publication date: August 30, 2012Applicant: MEDTRONIC, INC.Inventors: Orhan Soykan, Carl Schu, Kimberly A. Chaffin
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Publication number: 20120035544Abstract: A medical device (e.g., an implantable medical device) including a sealing apparatus (sealing element, e.g., a grommet for securing a lead to the device) that includes an element (e.g., a body) having a plasma-treated surface and methods (e.g., methods of making the device).Type: ApplicationFiled: August 4, 2010Publication date: February 9, 2012Applicant: MEDTRONIC, INC.Inventors: Kimberly A. Chaffin, Geetha Sethumadhavan
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Publication number: 20110318635Abstract: A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing provides a cover and a shallow case a preferably planar, major bottom portion, an open top to receive the cover opposing the bottom portion, and a plurality of sides being radiused at intersections with each other and with the bottom to allow for the close abutting of other components located within the implantable device while also providing for efficient location of the battery within an arcuate edge of the device. The cover and the shallow case being substantially hermetically sealed by a laser weld technique and an insulator member disposed within the case to provide a barrier to incident laser radiation so that during welding radiation does not impinge upon radiation sensitive component(s) disposed within the case.Type: ApplicationFiled: June 28, 2011Publication date: December 29, 2011Applicant: Medtronic, Inc.Inventors: Paul B. Aamodt, Frannise D. Bartley, Steve M. Bruesehoff, Kurt J. Casby, David P. Haas, Karl E. Hokanson, Thomas M. Nutzman, Andrew J. Ries, Scott J. Robinson, Randy S. Roles, Sonja K. Somdahl, Walter C. Sunderland, Jason T. Papenfuss, William J. Farrell, Kimberly A. Chaffin