Patents by Inventor Daren Stewart
Daren Stewart 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: 10828023Abstract: A suture passer comprising: a hollow tube, said hollow tube comprising a distal end, a proximal end, and a lumen extending from said distal end to said proximal end; and a suture manipulation rod slidably received in said lumen of said hollow tube and selectively projectable out said distal end of said hollow tube, said suture manipulation rod comprising a distal end and a proximal end, said distal end of said suture manipulation rod being bifurcated into a first arm and a second arm, wherein said first arm includes a hook comprising a proximally oriented hooking surface and a return extending proximally of said hooking surface; wherein said hollow tube and said suture manipulation rod are sized so that said suture manipulation rod may capture a suture disposed adjacent to said distal end of said hollow tube and draw the suture into said lumen of said hollow tube, and further wherein, after a suture has been drawn into said lumen of said hollow tube, distal movement of said suture manipulation rod causes tType: GrantFiled: August 31, 2017Date of Patent: November 10, 2020Assignee: Stryker CorporationInventors: Daren Stewart, James Flom
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Publication number: 20200275931Abstract: Dry anti-microbial powder is applied to an incision or wound and surrounding area. A skin closure device is applied to the incision or wound. The incision or wound is closed, either before the closure device is applied or with closure device application. A sterile island dressing is then be applied over the incision or wound with the closure device and anti-microbial powder applied. The absorbent pad of the dressing can be applied directly over the incision or wound to absorb excess blood, pus, or other exudate. The anti-microbial powder mixes with the exudate before or as the exudate is absorbed. The anti-microbial powder in the exudate mixture reduces bacterial and/or microbial growth in the mixture, thereby reducing the infection risk to the closed incision or wound, as well as reducing fouling of the wound dressing and undesirable smells.Type: ApplicationFiled: November 16, 2018Publication date: September 3, 2020Inventors: Amir Belson, Kei Ichiryu, Daren Stewart, Eric Storne
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Publication number: 20200046341Abstract: A suture passer comprising: a shaft having an axis; a first jaw mounted to the shaft in alignment with the axis, the first jaw being configured to releasably support a length of suture thereon; a second jaw movably mounted to the shaft; and a needle movably mounted to the shaft, the needle having a hook and being configured to reciprocate in alignment with the axis so that the hook can selectively pass by the second jaw and engage suture releasably supported on the first jaw; wherein the first jaw comprises a spring for selectively binding the suture to the first jaw, and further wherein the spring comprises a recess for receiving the suture therein.Type: ApplicationFiled: July 18, 2019Publication date: February 13, 2020Inventors: David Skinlo, Scott Heneveld, Thomas Weisel, Daren Stewart, Andrew Lantz, Roger Pisarnwongs
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Publication number: 20190290198Abstract: Systems, devices, and methods for post-surgical joint range of motion measurement, activity monitoring, as well as monitoring compliance with post-operative extremity elevation and cooling recommendations are provided. The system comprises sensor(s) to be attached adjacent a joint of the patient, with limb attachment element(s), applications running on a computing device of the patient and medical practitioner, and a cloud-based backend system.Type: ApplicationFiled: April 17, 2019Publication date: September 26, 2019Inventors: Amir Belson, Keiichiro Ichiryu, Zachary Kimura, Mark Shughart, Harold Sampson, Daren Stewart, Eric Storne, John Tighe
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Patent number: 10405850Abstract: A suture passer comprising: a hollow tube, said hollow tube comprising a distal end, a proximal end, and a lumen extending from said distal end to said proximal end; and a suture manipulation rod slidably received in said lumen of said hollow tube and selectively projectable out said distal end of said hollow tube, said suture manipulation rod comprising a distal end and a proximal end, said distal end of said suture manipulation rod being bifurcated into a first arm and a second arm, wherein said first arm includes a hook comprising a proximally oriented hooking surface and a return extending proximally of said hooking surface; wherein said hollow tube and said suture manipulation rod are sized so that said suture manipulation rod may capture a suture disposed adjacent to said distal end of said hollow tube and draw the suture into said lumen of said hollow tube, and further wherein, after a suture has been drawn into said lumen of said hollow tube, distal movement of said suture manipulation rod causes tType: GrantFiled: November 3, 2014Date of Patent: September 10, 2019Assignee: Pivot Medical, Inc.Inventors: Daren Stewart, James Flom
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Patent number: 10357243Abstract: A suture passer comprising: a shaft having an axis; a first jaw mounted to the shaft in alignment with the axis, the first jaw being configured to releasably support a length of suture thereon; a second jaw movably mounted to the shaft; and a needle movably mounted to the shaft, the needle having a hook and being configured to reciprocate in alignment with the axis so that the hook can selectively pass by the second jaw and engage suture releasably supported on the first jaw; wherein the first jaw comprises a spring for selectively binding the suture to the first jaw, and further wherein the spring comprises a recess for receiving the suture therein.Type: GrantFiled: December 1, 2015Date of Patent: July 23, 2019Assignee: Pivot Medical, Inc.Inventors: David Skinlo, Scott Heneveld, Thomas Weisel, Daren Stewart, Andrew Lantz, Roger Pisarnwongs
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Publication number: 20190110790Abstract: A suture passer comprising: a hollow tube, the hollow tube comprising a distal end, a proximal end, and a lumen extending from the distal end to the proximal end; and a clamping rod slidably received in the lumen of the hollow tube, the clamping rod comprising a distal end and a proximal end, the distal end being bifurcated into a first arm and a second arm, one of the first and second arms extending distally of the other of the first and second arms and including a clamping surface; wherein at least one of the first arm and the second arm comprises a friction-enhancing surface for facilitating manipulation of a suture via engagement of the suture with the friction-enhancing surface.Type: ApplicationFiled: October 16, 2018Publication date: April 18, 2019Inventors: Daren Stewart, Roger Pisarnwongs, James Flom, Bryan Kelly
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Patent number: 10098631Abstract: A suture passer comprising: a hollow tube, the hollow tube comprising a distal end, a proximal end, and a lumen extending from the distal end to the proximal end; and a clamping rod slidably received in the lumen of the hollow tube, the clamping rod comprising a distal end and a proximal end, the distal end being bifurcated into a first arm and a second arm, one of the first and second arms extending distally of the other of the first and second arms and including a clamping surface.Type: GrantFiled: March 8, 2013Date of Patent: October 16, 2018Assignee: Pivot Medical, Inc.Inventors: Daren Stewart, Roger Pisarnwongs, James Flom
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Patent number: 9931114Abstract: A suture passer comprising: a hollow tube, the hollow tube comprising a distal end, a proximal end, and a lumen extending from the distal end to the proximal end; and a clamping rod slidably received in the lumen of the hollow tube, the clamping rod comprising a distal end and a proximal end, the distal end being bifurcated into a first arm and a second arm, one of the first and second arms extending distally of the other of the first and second arms and including a clamping surface; wherein at least one of the first arm and the second arm comprises a friction-enhancing surface for facilitating manipulation of a suture via engagement of the suture with the friction-enhancing surface.Type: GrantFiled: September 17, 2013Date of Patent: April 3, 2018Assignee: Pivot Medical, Inc.Inventors: Daren Stewart, Roger Pisarnwongs, James Flom
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Publication number: 20170360434Abstract: A suture passer comprising: a hollow tube, said hollow tube comprising a distal end, a proximal end, and a lumen extending from said distal end to said proximal end; and a suture manipulation rod slidably received in said lumen of said hollow tube and selectively projectable out said distal end of said hollow tube, said suture manipulation rod comprising a distal end and a proximal end, said distal end of said suture manipulation rod being bifurcated into a first arm and a second arm, wherein said first arm includes a hook comprising a proximally oriented hooking surface and a return extending proximally of said hooking surface; wherein said hollow tube and said suture manipulation rod are sized so that said suture manipulation rod may capture a suture disposed adjacent to said distal end of said hollow tube and draw the suture into said lumen of said hollow tube, and further wherein, after a suture has been drawn into said lumen of said hollow tube, distal movement of said suture manipulation rod causes tType: ApplicationFiled: August 31, 2017Publication date: December 21, 2017Inventors: Daren Stewart, James Flom
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Publication number: 20170325809Abstract: A suture passer comprising: a hollow tube, the hollow tube comprising a distal end, a proximal end, and a lumen extending from the distal end to the proximal end; and a clamping rod slidably received in the lumen of the hollow tube, the clamping rod comprising a distal end and a proximal end, the distal end being bifurcated into a first arm and a second arm, one of the first and second arms extending distally of the other of the first and second arms and including a clamping surface; wherein at least one of the first arm and the second arm comprises a friction-enhancing surface for facilitating manipulation of a suture via engagement of the suture with the friction-enhancing surface.Type: ApplicationFiled: August 2, 2017Publication date: November 16, 2017Inventors: Daren Stewart, Roger Pisarnwongs, Bryan Kelly, James Flom
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Publication number: 20160249906Abstract: A suture passer comprising: a shaft having an axis; a first jaw mounted to the shaft in alignment with the axis, the first jaw being configured to releasably support a length of suture thereon; a second jaw movably mounted to the shaft; and a needle movably mounted to the shaft, the needle having a hook and being configured to reciprocate in alignment with the axis so that the hook can selectively pass by the second jaw and engage suture releasably supported on the first jaw; wherein the first jaw comprises a spring for selectively binding the suture to the first jaw, and further wherein the spring comprises a recess for receiving the suture therein.Type: ApplicationFiled: December 1, 2015Publication date: September 1, 2016Inventors: David Skinlo, Scott Heneveld, Thomas Weisel, Daren Stewart, Andrew Lantz, Roger Pisarnwongs
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Patent number: 9198655Abstract: A suture passer comprising: a shaft having an axis; a first jaw mounted to the shaft in alignment with the axis, the first jaw being configured to releasably support a length of suture thereon; a second jaw movably mounted to the shaft; and a needle movably mounted to the shaft, the needle having a hook and being configured to reciprocate in alignment with the axis so that the hook can selectively pass by the second jaw and engage suture releasably supported on the first jaw; wherein the first jaw comprises a spring for selectively binding the suture to the first jaw, and further wherein the spring comprises a recess for receiving the suture therein.Type: GrantFiled: August 1, 2012Date of Patent: December 1, 2015Assignee: Pivot Medical, Inc.Inventors: David Skinlo, Scott Heneveld, Thomas Weisel, Daren Stewart, Andrew Lantz, Roger Pisarnwongs
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Publication number: 20150320417Abstract: A suture passer comprising: a hollow tube, the hollow tube comprising a distal end, a proximal end, and a lumen extending from the distal end to the proximal end; and a clamping rod slidably received in the lumen of the hollow tube, the clamping rod comprising a distal end and a proximal end, the distal end being bifurcated into a first arm and a second arm, one of the first and second arms extending distally of the other of the first and second arms and including a clamping surface; wherein at least one of the first arm and the second arm comprises a friction-enhancing surface for facilitating manipulation of a suture via engagement of the suture with the friction-enhancing surface.Type: ApplicationFiled: September 17, 2013Publication date: November 12, 2015Inventors: Daren Stewart, Roger Pisarnwongs, Bryan Kelly, James Flom
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Publication number: 20150112368Abstract: A suture passer comprising: a hollow tube, said hollow tube comprising a distal end, a proximal end, and a lumen extending from said distal end to said proximal end; and a suture manipulation rod slidably received in said lumen of said hollow tube and selectively projectable out said distal end of said hollow tube, said suture manipulation rod comprising a distal end and a proximal end, said distal end of said suture manipulation rod being bifurcated into a first arm and a second arm, wherein said first arm includes a hook comprising a proximally oriented hooking surface and a return extending proximally of said hooking surface; wherein said hollow tube and said suture manipulation rod are sized so that said suture manipulation rod may capture a suture disposed adjacent to said distal end of said hollow tube and draw the suture into said lumen of said hollow tube, and further wherein, after a suture has been drawn into said lumen of said hollow tube, distal movement of said suture manipulation rod causes tType: ApplicationFiled: November 3, 2014Publication date: April 23, 2015Inventors: Daren Stewart, James Flom
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Publication number: 20130041387Abstract: A suture passer comprising: a shaft having an axis; a first jaw mounted to the shaft in alignment with the axis, the first jaw being configured to releasably support a length of suture thereon; a second jaw movably mounted to the shaft; and a needle movably mounted to the shaft, the needle having a hook and being configured to reciprocate in alignment with the axis so that the hook can selectively pass by the second jaw and engage suture releasably supported on the first jaw; wherein the first jaw comprises a spring for selectively binding the suture to the first jaw, and further wherein the spring comprises a recess for receiving the suture therein.Type: ApplicationFiled: August 1, 2012Publication date: February 14, 2013Inventors: David Skinlo, Scott Heneveld, Thomas Weisel, Daren Stewart, Andrew Lantz, Roger Pisarnwongs
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Publication number: 20080103411Abstract: A device and method of use for securing and coring of tumors within the body during a biopsy of the tumor, specifically breast tumors. An adhesion probe for securing the tumor is described. The probe secures the tumor by piercing the tumor and providing a coolant to the distal tip to cool the tip. The cooled tip adheres to the tumor. A coring instrument adapted for cutting a core sample of the tumor is described. The instrument is provided with a cannula that can cut a core sample of the tumor. The instrument is adapted for use with the probe with the probe fitting within the cannula. The instrument can be used in conjunction with the probe to secure and core a sample of the tumor for biopsy.Type: ApplicationFiled: December 26, 2007Publication date: May 1, 2008Inventors: Kevin Van Bladel, Shigeru Tanaka, Daren Stewart
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Publication number: 20080004479Abstract: Methods and apparatus are described for irradiating living tissue via a cavity or lumen, using an inflatable balloon applicator. In a preferred embodiment the applicator balloon has a balloon skin with x-ray contrast material in relatively low concentration, so that an outline of the balloon will appear sharply when imaged externally. In another preferred embodiment the balloon catheter has a drain for withdrawing liquids from the cavity, which may include channels or texture on the exterior of the balloon. Methods are described for using a switchable miniature x-ray tube, variable as to voltage and current, to achieve accuracy in an isodose profile.Type: ApplicationFiled: June 18, 2007Publication date: January 3, 2008Inventors: Daren Stewart, Paul Lovoi, Thomas Rusch, Alex Lim, Darius Francescatti
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Publication number: 20060173235Abstract: A vaginal brachytherapy applicator is versatile to different anatomies and more comfortable to the patient than prior applicators. An inflatable balloon on a shaft may be inelastic or elastic. In one embodiment the shaft is rotatable relative to the balloon for enabling a ring or band of dose delivery, for versatility in radiation placement. Alternatively, the source can be rotated and pulled back within a stationary shaft. An adjustment is provided for reducing the length of balloon that inflates, to accommodate different anatomies and positions. Although isotope radiation sources can be used in the applicator, an electronic source is preferred, and the system and method include procedures for using the applicator with an electronic source.Type: ApplicationFiled: December 30, 2005Publication date: August 3, 2006Inventors: Alex Lim, Paul Lovoi, Heike Hausen, Daren Stewart
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Publication number: 20050080313Abstract: An applicator for facilitating radiation treatment in a body cavity, particularly post resection, provides for superior wound closure management, with an integrated drain and a flexible main shaft that permits further treatments at intervals without disturbing the wound closure. The drain includes channels in the shaft, and the surface of an expandable balloon of the applicator may have features that help channel the flow of drain liquids toward the cavity entrance. Non-spherical, irregular geometries of balloons are achieved in several different ways. In some embodiments multiple balloons are included, either an inner and outer balloon or a series of balloons extending outwardly from the main shaft. Non-balloon applicators are also disclosed.Type: ApplicationFiled: October 10, 2003Publication date: April 14, 2005Inventors: Daren Stewart, Paul Lovoi, Thomas Rusch, Alex Lim, Darius Francescatti