Patents by Inventor DANIEL FRANK MASSIMINI

DANIEL FRANK MASSIMINI 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: 10893882
    Abstract: An atherectomy system includes a handle and a drive motor that is adapted to rotate a drive cable extending through the handle and operably coupled to an atherectomy burr. A control system is adapted to regulate operation of the drive motor, including providing the drive motor with a high frequency pulse width modulation (PWM) drive signal in order to operate the drive motor. The control system monitors a motor performance parameter such as motor speed or motor torque, and when the motor performance parameter approaches a limit of a performance range, the control system adds a low frequency PWM signal to the high frequency PWM drive signal, thereby causing the drive motor to produce a tactile signal that signals to the user that the motor performance parameter is approaching the limit of the performance range.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: January 19, 2021
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: David Gordon Spangler, Corydon Carlson, Laszlo Trent Farago, Daniel Frank Massimini, Mark A. Hilse
  • Publication number: 20200405333
    Abstract: A catheter system for imparting pressure to induce fractures at a treatment site within or adjacent a blood vessel wall includes a catheter, a fortified balloon inflation fluid and a first light guide. The catheter includes an elongate shaft and a balloon that is coupled to the elongate shaft. The balloon has a balloon wall and can expand to a first expanded configuration to anchor the catheter in position relative. The fortified balloon inflation fluid can expand the balloon to the first expanded configuration. The fortified balloon inflation fluid includes a base inflation fluid and a fortification component. The fortification component reduces a threshold for inducing plasma formation in the fortified balloon inflation fluid compared to the base inflation fluid. The fortification component can include at least one of carbon and iron. The first light guide is disposed along the elongate shaft and is positioned at least partially within the balloon.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 31, 2020
    Inventors: Daniel Frank Massimini, Daniel Lee Krautkremer, Haiping Shao, Roger W. McGowan
  • Publication number: 20200405391
    Abstract: A catheter system includes a catheter having an elongate shaft, a balloon and a light guide. The balloon expands from a collapsed configuration to a first expanded configuration. The light guide is disposed along the elongate shaft and is in optical communication with a light source and a balloon fluid. A first portion of the light guide extends into a recess defined by the elongate shaft. A protection structure is disposed within the recess and is in contact with the first portion of the light guide. The light source provides pulses of light to the balloon fluid, thereby initiating plasma formation and rapid bubble formation within the balloon, thereby imparting pressure waves upon a treatment site. The protection structure can provide structural protection from the pressure waves to the first portion of the light guide.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 31, 2020
    Inventors: Daniel Frank Massimini, Daniel Lee Krautkremer, Haiping Shao, Roger W. McGowan
  • Publication number: 20200406009
    Abstract: A catheter system for pressure wave and inertial impulse generation for intravascular lesion disruption at a treatment site includes a catheter including an elongate shaft and balloon coupled to the elongate shaft. The catheter system includes a light guide disposed along the elongate shaft and at least partially within the balloon, where the light guide is in optical communication with a light source and a balloon fluid. The catheter can include a first focusing element located at a distal portion of the light guide and in optical communication with the light source. The first focusing element can direct light from within the light guide to a first location at a first distance away from the distal portion of the light guide to initiate plasma formation in the balloon fluid away from the distal portion and to cause rapid bubble formation, thereby imparting pressure waves at the treatment site.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 31, 2020
    Inventors: Daniel Frank Massimini, Daniel Lee Krautkremer, Haiping Shao, Roger W. McGowan
  • Publication number: 20200406010
    Abstract: A catheter system for pressure wave and inertial impulse generation for intravascular lesion disruption includes a balloon coupled to an elongate shaft, and a first and second light guide disposed along the elongate shaft. The first and second light guides each include a diverting feature in optical communication with at least one light window to direct light to exit each light guide toward a side surface portion thereof and toward the balloon. A method includes expanding the balloon from a collapsed configuration to a first expanded configuration, and activating a light source in optical communication with each light guide to provide sub-millisecond pulses of light to the diverting features, thereby inducing plasma formation in a balloon fluid, causing rapid bubble formation, and imparting pressure waves upon the treatment site.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 31, 2020
    Inventors: Daniel Frank Massimini, Daniel Lee Krautkremer, Haiping Shao, Roger W. McGowan
  • Publication number: 20200397463
    Abstract: An atherectomy system includes a drive mechanism adapted to rotatably actuate an atherectomy burr and a controller that is adapted to regulate operation of the drive mechanism. A guidewire motion detector is adapted to detect movement of the guidewire. The controller is further adapted to take action when the guidewire motion detector detects movement of the guidewire relative to the drive mechanism while the drive mechanism is operating.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 24, 2020
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: DAVID GORDON SPANGLER, CORYDON CARLSON, LASZLO TRENT FARAGO, DANIEL FRANK MASSIMINI
  • Publication number: 20200398033
    Abstract: A catheter system for imparting pressure to induce fractures in a vascular lesion within or adjacent a vessel wall, includes a catheter and a superheating system. The catheter can advance to the vascular lesion. The catheter includes an elongate shaft and a balloon coupled to the elongate shaft. The balloon includes a balloon wall. The balloon moves between a collapsed configuration and a first expanded configuration suitable for anchoring the catheter in position relative to a treatment site. The superheating system can heat a balloon fluid within the balloon rapidly enough to achieve spontaneous vaporization of the balloon fluid and to generate inertial bubbles and acoustic pressure waves. The superheating system can include a first light guide extending along the elongate shaft. The first light guide is in optical communication with a light source at a proximal portion of the first light guide. The first light guide can include a first light window at a distal portion of the first light guide.
    Type: Application
    Filed: May 20, 2020
    Publication date: December 24, 2020
    Inventors: Roger W. McGowan, Daniel Frank Massimini, Christopher Smuk, Haiping Shao
  • Publication number: 20200397464
    Abstract: An atherectomy system includes a drive mechanism adapted to rotatably actuate an atherectomy burr and a controller that is adapted to operate the drive mechanism in a first operating mode in which the atherectomy burr is operated at a speed reference and with a predetermined torque limit. The controller is adapted to determine when the atherectomy burr becomes stuck while in the first operating mode and is further adapted to, when the atherectomy burr becomes stuck, operate the drive mechanism in a second operating mode that is different from the first operating mode.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 24, 2020
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: MARK A. HILSE, CORYDON CARLSON, DAVID GORDON SPANGLER, DANIEL FRANK MASSIMINI, LASZLO TRENT FARAGO
  • Publication number: 20200397461
    Abstract: Embodiments herein relate to systems and methods for intravascular lesion disruption. In an embodiment, a catheter system for imparting pressure to induce fractures upon a vascular lesion within or adjacent a blood vessel wall is included. The system includes a catheter configured to advance to a vascular lesion, the catheter including an elongate shaft that defines at least a first orifice for fluid flow; a balloon, coupled to the elongate shaft, that surrounds the first orifice where the balloon can expand from a collapsed configuration suitable for advancing the catheter through a patient's vasculature to a first expanded configuration suitable for anchoring the catheter in position relative to a treatment site; and a propulsion system configured to propel a fluid from the first orifice toward the balloon wall to create an inertial impulse in a vessel wall to transfer momentum to the vascular lesion. Other embodiments are also included herein.
    Type: Application
    Filed: June 23, 2020
    Publication date: December 24, 2020
    Inventors: Daniel Frank Massimini, Roger W. McGowan, Christopher Smuk, Binh C. Tran
  • Publication number: 20200397453
    Abstract: A photoacoustic catheter adapted for placement within a blood vessel having a vessel wall includes an elongate shaft, a balloon and a photoacoustic transducer. The elongate shaft can extend from a proximal region to a distal region. The elongate shaft can include a light guide that is configured to be placed in optical communication with a light source. The balloon is coupled to the elongate shaft, and can be configured to expand from a collapsed configuration suitable for advancing the photoacoustic catheter through a patient's vasculature to a first expanded configuration suitable for anchoring the photoacoustic catheter in position relative to a treatment site. The photoacoustic transducer can be disposed on a surface of the balloon and in optical communication with the light guide. The photoacoustic transducer can include a light-absorbing material and a thermal expansion material.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 24, 2020
    Inventors: Roger W. McGowan, Daniel Frank Massimini, Haiping Shao, Christopher Smuk
  • Publication number: 20200229844
    Abstract: An atherectomy system includes a handle having a handle housing, with a drive member extending through the handle housing and operably coupled to an atherectomy burr. A drive mechanism is disposed within the handle housing and is adapted to rotatably engage the drive member. The drive mechanism may include an electric drive motor, a drive gear that is rotatably engaged with the electric drive motor and a driven gear that is coupled with the drive member and is engaged with the drive gear such that rotation of the driven gear causes rotation of the drive member. The drive mechanism may be configured to enable a rotation speed of the atherectomy burr of up to at least about 200,000 revolutions per minute (rpm).
    Type: Application
    Filed: January 17, 2020
    Publication date: July 23, 2020
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: ROBERT RAWSON, LASZLO TRENT FARAGO, DAVID GORDON SPANGLER, DANIEL FRANK MASSIMINI
  • Publication number: 20200214735
    Abstract: An atherectomy system includes a drive mechanism that is adapted to rotatably actuate an atherectomy burr and a controller that is adapted to regulate operation of the drive mechanism. In some cases, the drive mechanism includes a drive cable that is coupled with the atherectomy burr and an electric drive motor that is adapted to rotate the drive cable. The controller is adapted to regulate operation of the electric drive motor such that the drive mechanism emulates one or more performance parameters of an air turbine.
    Type: Application
    Filed: January 8, 2020
    Publication date: July 9, 2020
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: CORYDON CARLSON, DAVID GORDON SPANGLER, DANIEL FRANK MASSIMINI, LASZLO TRENT FARAGO
  • Publication number: 20200129195
    Abstract: A photoacoustic catheter can include an elongate shaft and a first photoacoustic transducer. The elongate shaft can extend from a proximal region to a distal region and can include a first light guide that is in optical communication with a light source. The first photoacoustic transducer can be disposed within the distal region of the elongate shaft and can be in optical communication with the first light guide. The first photoacoustic transducer can impart acoustic pressure waves upon a calcified lesion to induce fractures. The first photoacoustic transducer can include a light-absorbing material and a thermal expansion material that can be in contact with one another. The thermal expansion material can include polydimethylsiloxane, polytetrafluoroethylene, polyimide, polyisobutylene, polyisobutylene polyurethane, polyurethanes, styrene isoprene butadiene, ethylene propylene polyacrylic, ethylene acrylic, fluorosilicone, polybutadiene, polyisoprene, and/or thermoplastic elastomers.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 30, 2020
    Inventors: Roger W. McGowan, Binh C. Tran, Christopher Smuk, Daniel Frank Massimini
  • Publication number: 20190282249
    Abstract: An ultrasound catheter may be adapted for placement within a blood vessel having a vessel wall for treating a vascular lesion within or adjacent the vessel wall. The ultrasound catheter includes an elongate shaft extending from a distal region to a proximal region and an ultrasound transducer that is disposed relative to the distal region of the elongate shaft and is adapted to impart near-field acoustic pressure waves upon the vascular lesion in order to mechanically modify the vascular lesion. An inflatable balloon is disposed about the ultrasound transducer and is coupled to the elongate shaft, the inflatable balloon having a collapsed configuration suitable for advancing the ultrasound catheter through a patient's vasculature and an expanded configuration suitable for anchoring the ultrasound catheter in position relative to a treatment site.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 19, 2019
    Inventors: Binh C. Tran, Douglas Dean Pagoria, Roger W. McGowan, Christopher Smuk, Daniel Frank Massimini
  • Publication number: 20190282250
    Abstract: An ultrasound catheter is adapted for placement within a blood vessel having a vessel wall and is adapted for treating a vascular lesion within or adjacent the vessel wall. The ultrasound catheter includes an elongate shaft extending from a distal region to a proximal region and an ultrasound transducer that is disposed within the distal region of the elongate shaft, the ultrasound transducer adapted to impart near-field, acoustic pressure waves upon the vascular lesion in order to mechanically modify the vascular lesion.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 19, 2019
    Inventors: Binh C. Tran, Douglas Dean Pagoria, Roger W. McGowan, Christopher Smuk, Daniel Frank Massimini
  • Publication number: 20190262032
    Abstract: An atherectomy system includes a drive mechanism that is adapted to rotatably actuate an atherectomy burr and a controller that is adapted to regulate operation of the drive mechanism. In some cases, the drive mechanism includes a drive cable that is coupled with the atherectomy burr and a drive motor that is adapted to rotate the drive cable. The controller is adapted to receive an indication of an increase in torque experienced at the atherectomy burr and is further adapted to, in response, regulate operation of the drive mechanism such that the increase in torque results in a noticeable reduction in speed of the drive mechanism such that a user of the atherectomy system notices the reduction in speed and is alerted to the increase in torque.
    Type: Application
    Filed: February 25, 2019
    Publication date: August 29, 2019
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: CORYDON CARLSON, DAVID GORDON SPANGLER, DANIEL FRANK MASSIMINI, LASZLO TRENT FARAGO, MARK A. HILSE
  • Publication number: 20190262034
    Abstract: An atherectomy system includes a drive mechanism adapted to rotatably actuate an atherectomy burr and a control system that is adapted to regulate operation of the drive mechanism. The drive mechanism may include a drive cable that is coupled with the atherectomy burr and a drive motor that is adapted to rotate the drive cable. The control system includes a drive module adapted to provide an operational signal to operate the drive mechanism, a monitoring module adapted to monitor operation of the drive mechanism and to determine if the drive mechanism is operating within a predetermined range and an excitation module that is operably coupled to the drive mechanism and is adapted to provide haptic feedback to a user of the drive mechanism if the monitoring module determines that the drive mechanism is not operating within a predetermined range.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 29, 2019
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: DAVID GORDON SPANGLER, DANIEL FRANK MASSIMINI, LASZLO TRENT FARAGO, CORYDON CARLSON, MARK A. HILSE
  • Publication number: 20190262022
    Abstract: An atherectomy system includes a handle and a drive motor that is adapted to rotate a drive cable extending through the handle and operably coupled to an atherectomy burr. A control system is adapted to regulate operation of the drive motor, including providing the drive motor with a high frequency pulse width modulation (PWM) drive signal in order to operate the drive motor. The control system monitors a motor performance parameter such as motor speed or motor torque, and when the motor performance parameter approaches a limit of a performance range, the control system adds a low frequency PWM signal to the high frequency PWM drive signal, thereby causing the drive motor to produce a tactile signal that signals to the user that the motor performance parameter is approaching the limit of the performance range.
    Type: Application
    Filed: February 26, 2019
    Publication date: August 29, 2019
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: DAVID GORDON SPANGLER, CORYDON CARLSON, LASZLO TRENT FARAGO, DANIEL FRANK MASSIMINI, MARK A. HILSE
  • Publication number: 20190175211
    Abstract: Medical systems and methods for making and using medical systems are disclosed. Example medical systems may include an atherectomy system configured to engage and remove plaque from walls in vessels of a vascular system. The atherectomy system may include a drive shaft, a rotational member coupled to an end of the drive shaft, a motor coupled to the drive shaft to rotate the rotational tip, and a control unit configured to control a motor state of the motor. The motor may be an electric motor. The control unit may adjust the motor state to decelerate the motor in response to detecting a jam or a stall condition. The jam or stall condition may be detected when a speed of the motor or other motor state reaches or goes beyond a threshold value as prescribed by a reference schedule.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 13, 2019
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: CORYDON CARLSON, DAVID GORDON SPANGLER, DANIEL FRANK MASSIMINI, LASZLO TRENT FARAGO, MARK A. HILSE
  • Publication number: 20180193056
    Abstract: Medical devices and methods for using medical devices are disclosed. A rotational atherectomy device may include an elongate shaft having a proximal end region, a distal end region and a lumen extending therein. The medical device may also include a cutting member positioned adjacent the distal end region of the elongate shaft. The cutting member may include a plurality of helical grooves defined in an outer surface of the cutting member. At least some of the helical grooves may extend at least one full helical rotation about the cutting member. In some cases, at least some of the helical grooves may include a first helical groove extending in a first direction and a second helical groove extending in a second direction that is different from the first direction.
    Type: Application
    Filed: January 12, 2018
    Publication date: July 12, 2018
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: CALEB SCOTT COLYER, DAVID GORDON SPANGLER, JASON T. ANDERSON, DANIEL FRANK MASSIMINI, DAVID B. MORRIS, LASZLO TRENT FARAGO, JOEL R. BREY