Patents by Inventor Robert Fischell

Robert Fischell 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: 12156982
    Abstract: An intravascular catheter for peri-vascular and/or peri-urethral tissue ablation includes multiple needles advanced through supported guide tubes which expand around a central axis to engage the interior surface of the wall of the renal artery or other vessel of a human body allowing the injection an ablative fluid for ablating tissue, and/or nerve fibers in the outer layer or deep to the outer layer of the vessel, or in prostatic tissue. The system may also include a means to limit and/or adjust the depth of penetration of the ablative fluid into and beyond the tissue of the vessel wall. The catheter may also include structures which provide radial and/or lateral support to the guide tubes so that the guide tubes expand uniformly and maintain their position against the interior surface of the vessel wall as the sharpened injection needles are advanced to penetrate into the vessel wall.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: December 3, 2024
    Assignee: Ablative Solutions, Inc.
    Inventors: David R. Fischell, Tim A. Fischell, Robert Ryan Ragland, Darrin James Kent, Andy Edward Denison, Eric Thomas Johnson, Jeff Alan Burke, Christopher Scott Hayden, Robert E. Fischell
  • Publication number: 20080109068
    Abstract: A stent in the form of a thin-walled, multi-cellular tubular structure is provided. The tubular structure has a longitudinal axis and the stent includes a plurality of circumferential sets of strut members. Each set of the strut members is longitudinally displaced from each other and connected to each other by longitudinally extending links. Each set of the strut members forms a closed and cylindrical portion of the stent. Further, each set of the strut members includes a plurality of connected curve sections and diagonal sections. The sets of the strut members further include end sets of strut members located at each end of the stent and central sets of strut members located between the end sets of the strut members. The diagonal sections of the end sets of the strut members have a center portion and two ends.
    Type: Application
    Filed: January 9, 2008
    Publication date: May 8, 2008
    Inventors: Robert Fischell, David Fischell, Janet Burpee
  • Publication number: 20080082155
    Abstract: Disclosed is an ostial stent positioner that has the form of a wire for most of its length and having a short cylinder with a longitudinal slit and expandable legs situated at the positioner's distal end. The slit cylinder with its attached wire acts as an introducer sheath to introduce a stent delivery system with a stent into the artery that is to be stented. A second aspect of the present invention is a method for accurately placing a stent at the ostium of an artery that would have an ostial stenosis. Examples of such arteries that have ostial stenoses are the right and left main coronary arteries, a saphenous vein graft as used in coronary bypass surgery and the renal arteries. Also disclosed are designs for the slit cylinder that provides a variable diameter so as to fit snugly within guiding catheters having different inside diameters.
    Type: Application
    Filed: October 18, 2007
    Publication date: April 3, 2008
    Inventors: Robert Fischell, Tim Fischell, David Fischell, Mark Zyzelewski
  • Publication number: 20080064973
    Abstract: Disclosed is a system for the detection of cardiac events (a guardian system) that includes an implanted device called a cardiosaver, a physician's programmer and an external alarm system. The system is designed to provide early detection of cardiac events such as acute myocardial infarction or exercise induced myocardial ischemia caused by an increased heart rate or exertion. The system can also alert the patient with a less urgent alarm if a heart arrhythmia is detected. Using one or more detection algorithms, the cardiosaver can detect a change in the patient's electrogram that is indicative of a cardiac event within five minutes after it occurs and then automatically warn the patient that the event is occurring. To provide this warning, the guardian system includes an internal alarm sub-system (internal alarm means) within the cardiosaver and/or an external alarm system (external alarm means).
    Type: Application
    Filed: October 30, 2007
    Publication date: March 13, 2008
    Applicant: Angel Medical Systems
    Inventors: David Fischell, Tim Fischell, Jonathan Harwood, Robert Fischell, Steven Johnson
  • Publication number: 20080058660
    Abstract: Disclosed is a system for the detection of cardiac events (a guardian system) that includes an implanted device called a cardiosaver, a physician's programmer and an external alarm system. The system is designed to provide early detection of cardiac events such as acute myocardial infarction or exercise induced myocardial ischemia caused by an increased heart rate or exertion. The system can also alert the patient with a less urgent alarm if a heart arrhythmia is detected. Using one or more detection algorithms, the cardiosaver can detect a change in the patient's electrogram that is indicative of a cardiac event within five minutes after it occurs and then automatically warn the patient that the event is occurring. To provide this warning, the guardian system includes an internal alarm sub-system (internal alarm means) within the cardiosaver and/or an external alarm system (external alarm means).
    Type: Application
    Filed: October 30, 2007
    Publication date: March 6, 2008
    Applicant: Angel Medical Systems
    Inventors: David Fischell, Tim Fischell, Johnathan Harwood, Robert Fischell, Steven Johnson
  • Publication number: 20080045776
    Abstract: Disclosed is a system and method for treating headaches. The system employs a self-contained, battery operated, readily portable and easy-to-operate head-mounted magnetic depolarizer to generate a transient or time-varying high-intensity magnetic field into and around the user's head or neck. The magnetic depolarizer system can be used to depolarize the neurons of the brain and/or the trigeminal nerve. This type of neuronal depolarization has the capability for terminating migraine or other types of headaches.
    Type: Application
    Filed: October 15, 2007
    Publication date: February 21, 2008
    Applicant: NeuroPace, Inc.
    Inventors: Robert Fischell, David Fischell, Adrian Upton
  • Publication number: 20080039676
    Abstract: Disclosed herein is a system for placing an elongated permanent magnet into a volume of tissue within a human body, including placement following a large core needle tissue biopsy procedure, where the tissue is suspected of being cancerous. The magnet's position is then detected by a magnet locating system that is used by a surgeon to find and remove the suspected tissue volume including a margin of tissue to assure that any and all cancer cells have been excised.
    Type: Application
    Filed: May 24, 2007
    Publication date: February 14, 2008
    Inventors: Robert Fischell, David Mullen
  • Publication number: 20070293778
    Abstract: Disclosed is a system for the detection of cardiac events that includes an implanted device called a cardiosaver, a physician's programmer and an external alarm system. The system is designed to provide early detection of cardiac events such as acute myocardial infarction or exercise induced myocardial ischemia caused by an increased heart rate or exertion. The system can also alert the patient with a less urgent alarm if a heart arrhythmia is detected. Using different algorithms, the cardiosaver can detect a change in the patient's electrogram that is indicative of a cardiac event within five minutes after it occurs and then automatically warn the patient that the event is occurring. To provide this warning, the system includes an internal alarm sub-system (internal alarm means) within the cardiosaver and/or an external alarm system (external alarm means) which are activated after the ST segment of the electrogram exceeds a preset threshold.
    Type: Application
    Filed: June 22, 2007
    Publication date: December 20, 2007
    Inventors: David Fischell, Tim Fischell, Jonathan Harwood, Robert Fischell, Steven Johnson
  • Publication number: 20070293775
    Abstract: Disclosed is a system for the detection of cardiac events that includes an implanted device called a cardiosaver, a physician's programmer and an external alarm system. The system is designed to provide early detection of cardiac events such as acute myocardial infarction or exercise induced myocardial ischemia caused by an increased heart rate or exertion. The system can also alert the patient with a less urgent alarm if a heart arrhythmia is detected. Using different algorithms, the cardiosaver can detect a change in the patient's electrogram that is indicative of a cardiac event within five minutes after it occurs and then automatically warn the patient that the event is occurring. To provide this warning, the system includes an internal alarm sub-system (internal alarm means) within the cardiosaver and/or an external alarm system (external alarm means) which are activated after the ST segment of the electrogram exceeds a preset threshold.
    Type: Application
    Filed: June 22, 2007
    Publication date: December 20, 2007
    Inventors: David Fischell, Tim Fischell, Jonathan Harwood, Robert Fischell, Steven Johnson
  • Publication number: 20070255384
    Abstract: A method for implanting a balloon expandable stent at a site within a passageway of a curved coronary article. The stent includes at least two longitudinally spaced apart circumferential rings. At least one longitudinally extending connector extends between adjacent rings. The connector has at least one turn back portion that can expand or contract in length while being passed through a curved passageway. The stent is disposed on a stent delivery catheter having an inflatable balloon. The stent delivery catheter and the stent is delivered through the passageway to the site of implementation with the connector member expanding or contracting in length to facilitate delivery and placement of the stent. The stent is expanded at the site of implantation by inflating the balloon to force the stent radially outward against the wall of the coronary artery.
    Type: Application
    Filed: May 18, 2007
    Publication date: November 1, 2007
    Inventors: Robert Fischell, David Fischell, Tim Fischell
  • Publication number: 20070249944
    Abstract: Disclosed is a system for the detection of cardiac events that includes an implanted device called a cardiosaver, a physician's programmer and an external alarm system. The system is designed to provide early detection of cardiac events such as acute myocardial infarction or exercise induced myocardial ischemia caused by an increased heart rate or exertion. The system can also alert the patient with a less urgent alarm if a heart arrhythmia is detected. Using different algorithms, the cardiosaver can detect a change in the patient's electrogram that is indicative of a cardiac event within five minutes after it occurs and then automatically warn the patient that the event is occurring. To provide this warning, the system includes an internal alarm sub-system (internal alarm means) within the cardiosaver and/or an external alarm system (external alarm means) which are activated after the ST segment of the electrogram exceeds a preset threshold.
    Type: Application
    Filed: June 22, 2007
    Publication date: October 25, 2007
    Inventors: David Fischell, Tim Fischell, Jonathan Harwood, Robert Fischell, Steven Johnson
  • Publication number: 20070249947
    Abstract: Disclosed is a system for the detection of cardiac events that includes an implanted device called a cardiosaver, a physician's programmer and an external alarm system. The system is designed to provide early detection of cardiac events such as acute myocardial infarction or exercise induced myocardial ischemia caused by an increased heart rate or exertion. The system can also alert the patient with a less urgent alarm if a heart arrhythmia is detected. Using different algorithms, the cardiosaver can detect a change in the patient's electrogram that is indicative of a cardiac event within five minutes after it occurs and then automatically warn the patient that the event is occurring. To provide this warning, the system includes an internal alarm sub-system (internal alarm means) within the cardiosaver and/or an external alarm system (external alarm means) which are activated after the ST segment of the electrogram exceeds a preset threshold.
    Type: Application
    Filed: June 22, 2007
    Publication date: October 25, 2007
    Inventors: David Fischell, Tim Fischell, Jonathan Harwood, Robert Fischell, Steven Johnson
  • Publication number: 20070239258
    Abstract: The present device has increased longitudinal flexibility in a stent by having some curved sections of each circumferential set of strut members being unconnected to the curved sections of the adjacent circumferential set of strut members with the other curved sections being connected by highly flexible, undulating longitudinal connecting links. The present device prevents flaring of the unconnected strut members by having a shorter longitudinal length for the unconnected strut members, and may have generally shorter longitudinal lengths for all the strut members in the circumferential sets of strut members at the stent ends to reduce the tendency for end flaring of the stent. Finally, the stent demonstrates that the flexible longitudinal connecting links of the curved sections of the sets of strut members are connected at a point that is close to the line where the diagonal sections join the curved sections, thus further reducing the propensity for end flaring.
    Type: Application
    Filed: January 22, 2007
    Publication date: October 11, 2007
    Inventors: Robert Fischell, David Fischell, Tim Fischell
  • Publication number: 20070225790
    Abstract: Disclosed is an ostial stent positioner that has the form of a wire for most of its length and having a short cylinder with expandable legs situated at the positioner's distal end. The cylinder with its attached wire acts as an introducer sheath to introduce a stent delivery system with a stent into the artery that is to be stented. A second aspect of the present invention is a method for accurately placing a stent at the ostium of an artery that would have an ostial stenosis. Examples of such arteries that have ostial stenoses are the right and left main coronary arteries, a saphenous vein graft as used in coronary bypass surgery and the renal arteries. Also disclosed are designs for the short cylinder that have a variable diameter so as to fit snugly within guiding catheters having different inside diameters.
    Type: Application
    Filed: May 30, 2006
    Publication date: September 27, 2007
    Inventors: Robert Fischell, Tim Fischell, Mark Zyzelewski, Ryan Mack, Malcom Foster
  • Publication number: 20070225788
    Abstract: A first aspect of the present invention is an ostial stent positioner that has the form of a wire for most of its length and having a cylinder with expandable legs situated at the positioner's distal end. The cylinder with its attached wire acts as an introducer sheath to introduce a stent delivery system with a stent into the artery that is to be stented. A second aspect of the present invention is a method for accurately placing a stent at the ostium of an artery that would have an ostial stenosis. Examples of such arteries that have ostial stenoses are the right and left main coronary arteries, a saphenous vein graft as used in coronary bypass surgery and the renal arteries. Each of these arteries has an ostium situated at the aorta.
    Type: Application
    Filed: March 24, 2006
    Publication date: September 27, 2007
    Inventors: Robert Fischell, Tim Fischell, Malcolm Foster
  • Publication number: 20070163601
    Abstract: The device includes tethered plugs that may be reversibly inserted into the VAS to provide contraception. The method includes a procedure for inserting and removing the device.
    Type: Application
    Filed: January 17, 2006
    Publication date: July 19, 2007
    Inventors: Neil Pollock, David Fishcell, Robert Fischell, John Burton
  • Publication number: 20070142886
    Abstract: Disclosed is a means and method for the treatment of migraine headaches and other disorders of the human body by the application of one or more intense magnetic pulses. By placing an intense magnetic field pulse(s) onto a certain region of the brain, an electrical current can be generated in the cerebral cortex that can stop a migraine headache in some patients or at least decrease its severity. The device to perform this function can be called a “magnetic pulser system.” This system can be made in one piece and powered by plugging into a household or automobile receptacle or from a battery. The pulser system uses capacitors that are first charged to a high voltage and then discharged into a coil that creates the intense magnetic pulse. Both visual and auditory signals can be provided by the pulser system to assist the patient in using the device.
    Type: Application
    Filed: December 19, 2005
    Publication date: June 21, 2007
    Inventors: Robert Fischell, Scott Fischell, David Fischell, Emily Ma, Kuen Chang, Dave Vondle, Benjamin Pless
  • Publication number: 20070110796
    Abstract: Disclosed is a cytostatic drug attached to a sterile sheet that is designed to be placed between internal body tissues to prevent the formation of post-operative adhesions, which adhesions are really scar tissue formation. This sheet onto or into which the drug is placed may be either a permanent implant or it may be biodegradable. By impregnating an existing product such as the Johnson & Johnson SURGICEL™ absorbable hemostat gauze-like sheet with an anti-proliferative drug such as sirolimus, the biodegradable, drug impregnated mesh would act as a barrier to cell proliferation and hence be a deterrent to the formation of adhesions or scar tissue. Another embodiment of this invention is a cytostatic drug attached to a sheet that is placed at the site of an anastamosis to decrease scar tissue formation from within the vessel at the site of the anastomosis.
    Type: Application
    Filed: October 24, 2006
    Publication date: May 17, 2007
    Inventors: Robert Fischell, David Fischell, Tim Fischell
  • Publication number: 20070093720
    Abstract: A system for the detection of cardiac events occurring in a human patient is provided. At least two electrodes are included in the system for obtaining an electrical signal from a patient's heart. An electrical signal processor is electrically coupled to the electrodes for processing the electrical signal and a patient alarm means is further provided and electrically coupled to the electrical signal processor. The electrical signal is acquired in the form of electrogram segments, which are categorized according to heart rate, ST segment shift and type heart rhythm (normal or abnormal). Baseline electrogram segments are tracked over time.
    Type: Application
    Filed: November 9, 2006
    Publication date: April 26, 2007
    Inventors: David Fischell, Tim Fischell, Jonathan Harwood, Robert Fischell, Steven Johnson, Bruce Hopenfeld, Michael John
  • Publication number: 20070083253
    Abstract: A thin-walled guide wire tube is fixedly and sealably attached to both a proximal section and a distal section of a balloon angioplasty catheter. A stent is co-axially mounted onto the inflatable balloon of the balloon angioplasty catheter. Because the guide wire tube forms an inner liner for the balloon angioplasty catheter, the fluid inflation lumen of the catheter is sealed so the inflation liquid that pressurizes the balloon will not leak as it would be if there were no “inner liner” and the balloon angioplasty catheter were attached to the guide wire itself. By not having a traditional inner shaft through which a conventional guide wire slides, the deflated balloon on which the stent is mounted can have a reduced diameter.
    Type: Application
    Filed: October 6, 2005
    Publication date: April 12, 2007
    Inventors: David Fischell, Robert Fischell, Tim Fischell, Scott Fischell