Patents by Inventor Stephen Clifford Waller
Stephen Clifford Waller 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: 11478236Abstract: The present disclosure relates to devices and methods for delivery of a ferrofluid to a targeted treatment site, such as delivery of a ferroadhesive to a pathological fistula to occlude the fistula. A device includes a catheter having a lumen and a distal opening. A hollow solenoid is coupled to a distal section of the catheter, and a hollow core of the solenoid allows passage of a ferrofluid through the catheter and through the hollow core so that it may exit past the distal end of the hollow solenoid. The solenoid may be selectively actuated to maintain or control the position of the delivered ferrofluid.Type: GrantFiled: February 28, 2020Date of Patent: October 25, 2022Assignee: University of KansasInventors: Stephen Clifford Waller, Alyssa Kirk Rollando, Richard Kevin Gilroy, Philip Lee Johnson, James Marion Stiles, Sara Ellen Wilson
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Patent number: 11033437Abstract: A barrier system is provided for use in reducing infections associated with post-operative surgical incision and/or a percutaneous medical device, such as a catheter, that is disposed within the surgical incision. Such a barrier system may include: a barrier device having a skin-contacting surface and a catheter-receiving surface; and an adhesive composition configured for adhering to skin, the barrier device, and/or the catheter so as to form a barrier at or adjacent to an incision in the skin where the catheter is percutaneously inserted through the skin. A tensioning anchor and associated system of two or more tensioning anchors is provided for post-operative wound closure. A method for applying and removing the barrier device and tensioning anchors is also provided.Type: GrantFiled: September 16, 2019Date of Patent: June 15, 2021Assignee: University of KansasInventors: Stephen Clifford Waller, Dhaval Bhavsar
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Publication number: 20210068797Abstract: The present disclosure relates to devices and methods for delivery of a ferrofluid to a targeted treatment site, such as delivery of a ferroadhesive to a pathological fistula to occlude the fistula. A device includes a catheter having a lumen and a distal opening. A hollow solenoid is coupled to a distal section of the catheter, and a hollow core of the solenoid allows passage of a ferrofluid through the catheter and through the hollow core so that it may exit past the distal end of the hollow solenoid. The solenoid may be selectively actuated to maintain or control the position of the delivered ferrofluid.Type: ApplicationFiled: October 30, 2020Publication date: March 11, 2021Inventors: Stephen Clifford Waller, Alyssa Kirk Rollando, Richard Kevin Gilroy, Philip Lee Johnson, James Marion Stiles, Sara Ellen Wilson
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Publication number: 20210007724Abstract: The present disclosure relates to devices and methods for delivery of a ferrofluid to a targeted treatment site, such as delivery of a ferroadhesive to a pathological fistula to occlude the fistula. A device includes a catheter having a lumen and a distal opening. A hollow solenoid is coupled to a distal section of the catheter, and a hollow core of the solenoid allows passage of a ferrofluid through the catheter and through the hollow core so that it may exit past the distal end of the hollow solenoid. The solenoid may be selectively actuated to maintain or control the position of the delivered ferrofluid.Type: ApplicationFiled: February 28, 2020Publication date: January 14, 2021Inventors: Stephen Clifford Waller, Alyssa Kirk Rollando, Richard Kevin Gilroy, Philip Lee Johnson, James Marion Stiles, Sara Ellen Wilson
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Publication number: 20200214900Abstract: A barrier system is provided for use in reducing infections associated with post-operative surgical incision and/or a percutaneous medical device, such as a catheter, that is disposed within the surgical incision. Such a barrier system may include: a barrier device having a skin-contacting surface and a catheter-receiving surface; and an adhesive composition configured for adhering to skin, the barrier device, and/or the catheter so as to form a barrier at or adjacent to an incision in the skin where the catheter is percutaneously inserted through the skin. A tensioning anchor and associated system of two or more tensioning anchors is provided for post-operative wound closure. A method for applying and removing the barrier device and tensioning anchors is also provided.Type: ApplicationFiled: September 16, 2019Publication date: July 9, 2020Inventors: Stephen Clifford Waller, Dhaval Bhavsar
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Patent number: 10575839Abstract: The present disclosure relates to devices and methods for delivery of a ferrofluid to a targeted treatment site, such as delivery of a ferroadhesive to a pathological fistula to occlude the fistula. A device includes a catheter having a lumen and a distal opening. A hollow solenoid is coupled to a distal section of the catheter, and a hollow core of the solenoid allows passage of a ferrofluid through the catheter and through the hollow core so that it may exit past the distal end of the hollow solenoid. The solenoid may be selectively actuated to maintain or control the position of the delivered ferrofluid.Type: GrantFiled: January 30, 2017Date of Patent: March 3, 2020Assignee: University of KansasInventors: Stephen Clifford Waller, Alyssa Kirk Rollando, Richard Kevin Gilroy, Philip Lee Johnson, James Marion Stiles, Sara Ellen Wilson
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Publication number: 20200008982Abstract: A barrier system is provided for use in reducing infections associated with post-operative surgical incision and/or a percutaneous medical device, such as a catheter, that is disposed within the surgical incision. Such a barrier system may include: a barrier device having a skin-contacting surface and a catheter-receiving surface; and an adhesive composition configured for adhering to skin, the barrier device, and/or the catheter so as to form a barrier at or adjacent to an incision in the skin where the catheter is percutaneously inserted through the skin. A tensioning anchor and associated system of two or more tensioning anchors is provided for post-operative wound closure. A method for applying and removing the barrier device and tensioning anchors is also provided.Type: ApplicationFiled: September 16, 2019Publication date: January 9, 2020Inventors: Stephen Clifford Waller, Dhaval Bhavsar
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Patent number: 10413450Abstract: A barrier system is provided for use in reducing infections associated with post-operative surgical incision and/or a percutaneous medical device, such as a catheter, that is disposed within the surgical incision. Such a barrier system may include: a barrier device having a skin-contacting surface and a catheter-receiving surface; and an adhesive composition configured for adhering to skin, the barrier device, and/or the catheter so as to form a barrier at or adjacent to an incision in the skin where the catheter is percutaneously inserted through the skin. A tensioning anchor and associated system of two or more tensioning anchors is provided for post-operative wound closure. A method for applying and removing the barrier device and tensioning anchors is also provided.Type: GrantFiled: July 7, 2016Date of Patent: September 17, 2019Assignee: University of KansasInventors: Stephen Clifford Waller, Dhaval Bhavsar
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Publication number: 20170135683Abstract: The present disclosure relates to devices and methods for delivery of a ferrofluid to a targeted treatment site, such as delivery of a ferroadhesive to a pathological fistula to occlude the fistula. A device includes a catheter having a lumen and a distal opening. A hollow solenoid is coupled to a distal section of the catheter, and a hollow core of the solenoid allows passage of a ferrofluid through the catheter and through the hollow core so that it may exit past the distal end of the hollow solenoid. The solenoid may be selectively actuated to maintain or control the position of the delivered ferrofluid.Type: ApplicationFiled: January 30, 2017Publication date: May 18, 2017Inventors: Stephen Clifford Waller, Alyssa Kirk Rollando, Richard Kevin Gilroy, Philip Lee Johnson, James Marion Stiles, Sara Ellen Wilson
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Publication number: 20160317359Abstract: A barrier system is provided for use in reducing infections associated with post-operative surgical incision and/or a percutaneous medical device, such as a catheter, that is disposed within the surgical incision. Such a barrier system may include: a barrier device having a skin-contacting surface and a catheter-receiving surface; and an adhesive composition configured for adhering to skin, the barrier device, and/or the catheter so as to form a barrier at or adjacent to an incision in the skin where the catheter is percutaneously inserted through the skin. A tensioning anchor and associated system of two or more tensioning anchors is provided for post-operative wound closure. A method for applying and removing the barrier device and tensioning anchors is also provided.Type: ApplicationFiled: July 7, 2016Publication date: November 3, 2016Inventors: Stephen Clifford Waller, Dhaval Bhavsar