Patents by Inventor Hideaki Senzaki

Hideaki Senzaki 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).

  • Balloon catheter
    Patent number: 7314476
    Abstract: A balloon catheter for interatrial septum dehiscence including an expandable and contractible balloon, and a shaft to which the balloon can be attached at the distal end thereof, wherein fixing members are provided at balloon mounting portions to be attached to the shaft. The fixing members are a pair of members in opposed relationship to each other at the ends of the balloon. The pair of members generally has an identical shape.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: January 1, 2008
    Assignee: Nipro Corporation
    Inventors: Hideaki Senzaki, Toshiki Kobayashi, Katsuya Miyagawa, Hideaki Kataoka
  • Balloon catheter
    Publication number: 20050187574
    Abstract: A balloon catheter for interatrial septum dehiscence including an expandable and contractible balloon, and a shaft to which the balloon can be attached at the distal end thereof, wherein fixing members are provided at balloon mounting portions to be attached to the shaft. The fixing members are a pair of members in opposed relationship to each other at the ends of the balloon. The pair of members generally has an identical shape.
    Type: Application
    Filed: January 21, 2005
    Publication date: August 25, 2005
    Inventors: Hideaki Senzaki, Toshiki Kobayashi, Katsuya Miyagawa, Hideaki Kataoka
  • Assessing cardiac contractility and cardiovascular interaction
    Patent number: 6090047
    Abstract: A novel method for estimating the end-systolic pressure-volume relationship (ESPVR) is presented. The method provides for accurate estimation of the ESPVR from a single beat of the cardiac cycle. The method is based on normalized human time varying elastance curves [E.sub.N (t.sub.N)]. The ESPVR is estimated from one beat using PV data measured at normalized time t.sub.N and end-systole (t.sub.max) to predict intercept: ##EQU1## and slope: E.sub.max(SB) =P(t.sub.max)/[V(t.sub.max)-V.sub.0(SB) ]. The present invention provides a method for ESPVR estimation which is non-invasive and particularly applicable for bedside applications.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: July 18, 2000
    Assignee: Johns Hopkins University, School of Medicine
    Inventors: David A. Kass, Hideaki Senzaki, Chen-Huan Chen