Patents by Inventor Stephen Diaz

Stephen Diaz 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).

  • Patent number: 11957478
    Abstract: A method can include receiving (1) images of at least one subject and (2) at least one total mass value for the at least one subject. The method can further include executing a first machine learning model to identify joints of the at least one subject. The method can further include executing a second machine learning model to determine limbs of the at least one subject based on the joints and the images. The method can further include generating three-dimensional (3D) representations of a skeleton based on the joints and the limbs. The method can further include determining a torque value for each limb, based on at least one of a mass value and a linear acceleration value, or a torque inertia and an angular acceleration value. The method can further include generating a risk assessment report based on at least one torque value being above a predetermined threshold.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: April 16, 2024
    Assignees: UNIVERSITY OF IOWA RESEARCH FOUNDATION, INSEER, INC.
    Inventors: Alec Diaz-Arias, Mitchell Messmore, Dmitry Shin, John Rachid, Stephen Baek, Jean Robillard
  • Patent number: 11962857
    Abstract: Methods, systems, and apparatuses for content recommendations based on user activity data are described herein. An analytics subsystem may receive first activity data. The first activity may be indicative of a plurality of first engagements with a first plurality of media assets. At least one machine learning model may be configured to receive an input of activity data, such as the first activity data, and to determine at least one content recommendation on that basis. The at least one content recommendation may comprise a recommendation for at least one media asset. The at least one media asset may be associated with at least one media asset classification. The analytics subsystem may send the at least one content recommendation.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: April 16, 2024
    Assignee: ON24, Inc.
    Inventors: Jayesh Sahasi, Jairo Diaz, Brian Streit, Stephen Andrew Sims
  • Publication number: 20130240473
    Abstract: An improved end form for flexible membrane solar collectors including a whiffle-tree attached near the peripheral edge of the end form. The end form is ā€œCā€ shaped with the curve of the upper edge the same as the peripheral edge so as to simplify manufacture.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 19, 2013
    Inventors: Howard Harrenstien, Taber Smith, Stephen Diaz
  • Publication number: 20080077233
    Abstract: The present invention relates to method and apparatus for dispensing a beneficial agent into an expandable medical device. The method includes the step of placing an expandable medical device on a mandrel, the medical device forming a cylindrical device having a plurality of openings and dispensing a beneficial agent into the plurality of openings.
    Type: Application
    Filed: May 13, 2007
    Publication date: March 27, 2008
    Applicant: Conor Medsystems, Inc.
    Inventors: Stephen Diaz, Kinam Park
  • Publication number: 20070082120
    Abstract: The present invention relates to method and apparatus for dispensing a beneficial agent into an expandable medical device. The method includes the step of placing an expandable medical device on a mandrel, the medical device forming a cylindrical device having a plurality of openings and dispensing a beneficial agent into the plurality of openings.
    Type: Application
    Filed: March 2, 2005
    Publication date: April 12, 2007
    Applicant: Conor Medsystems, Inc.
    Inventors: Stephen Diaz, Kinam Park, John Shanley
  • Publication number: 20070065477
    Abstract: An implantable drug delivery device loaded with a beneficial agent is provided, wherein the beneficial agent is in two different forms, a first form having a higher solubility and a second form having a lower solubility, and wherein the two different forms are present in a proportion which is selected to achieve a desired release rate.
    Type: Application
    Filed: September 12, 2006
    Publication date: March 22, 2007
    Applicant: Conor Medsystems, Inc.
    Inventors: Theodore Parker, Stephen Diaz, John Shanley, Diane Dang, Thai Nguyen
  • Publication number: 20070034527
    Abstract: An electropolishing device for polishing a cylindrical medical device such as a stent includes anodes in the form of rollers arranged to contact an exterior surface of the device. A drive mechanism rotates the anodes periodically during the electropolishing process to change a contact point between the anodes and the medical device. A tilting mechanism can also be used for periodically tilting the anodes during the electropolishing process to allow bubbles to escape from one end of the stent.
    Type: Application
    Filed: August 11, 2006
    Publication date: February 15, 2007
    Applicant: Conor Medsystems, Inc.
    Inventors: Stephen Diaz, Jeffrey Anderson
  • Publication number: 20070034528
    Abstract: An electropolishing device for polishing a cylindrical medical device such as a stent includes anodes in the form of rollers arranged to contact an exterior surface of the device. A drive mechanism rotates the anodes periodically during the electropolishing process to change a contact point between the anodes and the medical device. A tilting mechanism can also be used for periodically tilting the anodes during the electropolishing process to allow bubbles to escape from one end of the stent.
    Type: Application
    Filed: August 11, 2006
    Publication date: February 15, 2007
    Applicant: Conor Medsystems, Inc.
    Inventors: Stephen Diaz, Jeffrey Anderson
  • Publication number: 20060222755
    Abstract: A system for loading a beneficial agent into holes in a medical device includes a punch system for punching plugs of beneficial agent from a thin sheet into the holes in the medical device. The loading of a beneficial agent in the form of a thin film allows the formation of multilayered structures within the holes to control release kinetics and prevent any meniscus which occurs when a beneficial agent is deposited as a liquid in the holes and dried. The punch type loading system also can provide the ability to deliver large and potentially sensitive molecules including proteins, enzymes, antibodies, antisense, ribozymes, gene/vector constructs, and cells including endothelial cells.
    Type: Application
    Filed: March 28, 2006
    Publication date: October 5, 2006
    Applicant: Conor Medsystems, Inc.
    Inventors: Stephen Diaz, Theodore Parker
  • Publication number: 20060222679
    Abstract: A system for delivery of a beneficial agent in the form of a viscous liquid or paste allows holes in a medical device to be loaded in a single step process. The loading of a beneficial agent in a paste form also provides the ability to deliver large and potentially sensitive molecules including proteins, enzymes, antibodies, antisense, ribozymes, gene/vector constructs, and cells including endothelial cells.
    Type: Application
    Filed: March 28, 2006
    Publication date: October 5, 2006
    Applicant: Conor Medsystems, Inc.
    Inventors: John Shanley, Stephen Diaz, Theodore Parker
  • Publication number: 20060177564
    Abstract: The beneficial agent is applied into the holes in a medical device in a dry particulate form and is adhered in the hole in a manner that allows release of the drug in a controlled manner. The drug material would be formed into particles and placed in the holes. The solvent would be added to partially liquefy and adhere the drug into the holes. After application of the solvent, the particles are adhered together in a substantially uniform drug containing matrix. The particles may include drug alone or drug in combination with other materials including a matrix.
    Type: Application
    Filed: March 28, 2006
    Publication date: August 10, 2006
    Applicant: Conor Medsystems, Inc.
    Inventors: Stephen Diaz, Theodore Parker
  • Publication number: 20060178734
    Abstract: A method for decreasing the level of restenosis following a stent placement medical intervention involves the continuous administration of a dose of an anti-restenotic agent, such as paclitaxel, from the stent to vascular tissue in need of treatment in a controlled, extended, and substantially linear drug release profile. The method of substantially linear extended release increases the therapeutic effectiveness of administration of a given dosage. In one example, a method of reducing restenosis includes delivering paclitaxel from a stent to an artery at a minimum release rate of 1 percent of the total dosage of paclitaxel on the stent per day throughout an entire administration period from the time of implantation of the stent until the time that substantially all the paclitaxel is released from the stent.
    Type: Application
    Filed: January 4, 2006
    Publication date: August 10, 2006
    Applicant: Conor Medsystems, Inc.
    Inventors: Theodore Parker, John Shanley, Brett Trauthen, Frank Litvack, Stephen Diaz
  • Publication number: 20060096660
    Abstract: The present invention relates to method and apparatus for dispensing a beneficial agent into an expandable medical device. The method includes the step of placing an expandable medical device on a mandrel, the medical device forming a cylindrical device having a plurality of openings and dispensing a beneficial agent into the plurality of openings.
    Type: Application
    Filed: October 18, 2005
    Publication date: May 11, 2006
    Applicant: Conor Medsystems, Inc.
    Inventors: Stephen Diaz, Kinam Park
  • Publication number: 20060079956
    Abstract: A bifurcation stent includes a first end which is deformable or crushable at a lower force than a second end. The crushable first end and more rigid second end of the bifurcation stent allow one end of the stent to remain expanded in tissue supporting configuration in a side branch of a vessel bifurcation while the other end is easily crushed against the side wall of the main vessel into which it extends. A method of supporting a bifurcated body lumen with the bifurcation stent involves delivering the bifurcation stent in an unexpanded configuration to a bifurcation in a body lumen, positioning the bifurcation stent with the distal portion substantially within a side branch vessel of the bifurcation and the proximal crushable portion substantially within the main vessel, expanding the bifurcation stent, and expanding a main vessel stent along side the bifurcation stent and thereby crushing at least a portion of the crushable proximal portion of the bifurcation stent against the main vessel wall.
    Type: Application
    Filed: August 10, 2005
    Publication date: April 13, 2006
    Applicant: Conor Medsystems, Inc.
    Inventors: Neal Eigler, Frank Litvack, John Shanley, Stephen Diaz
  • Publication number: 20050234538
    Abstract: A method and system for delivering a bioresorbable intravascular stent includes a delivery system or catheter having an expandable balloon. A guidewire lumen having a distal guidewire port and a proximal guidewire port spaced a relatively short distance from the distal end allows rapid exchange of the stent delivery system over a guidewire.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 20, 2005
    Applicant: Conor Medsystems, Inc.
    Inventors: Frank Litvack, Jonh Shanley, Theodore Parker, Stephen Diaz
  • Publication number: 20050222676
    Abstract: The present invention relates to method and apparatus for dispensing a beneficial agent into an expandable medical device. The method includes the step of placing an expandable medical device on a support and dispensing a beneficial agent into a plurality of openings in the medical device with a shield gas for controlling a local environment surrounding the dispenser.
    Type: Application
    Filed: June 25, 2004
    Publication date: October 6, 2005
    Inventors: John Shanley, Stephen Diaz