Patents by Inventor Michael S. H. Chu

Michael S. H. Chu 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: 10039626
    Abstract: The present invention discloses a medical assembly and method for the delivery of an implant inside a patient's body. The medical assembly includes a sling assembly including a dilator and an implant. The dilator can be configured to be coupled to the implant. The dilator includes a proximal portion and a distal portion such that the proximal portion includes a first locking feature. The medical assembly includes a delivery device configured to deliver the sling assembly. The delivery device includes a needle and a handle having a proximal portion and a distal portion. The distal portion of the handle includes a second locking feature configured to releasably mate with the first locking feature and inhibit axial movement of the dilator with respect to the delivery device. The first locking feature is sized to frictionally retain the second locking feature.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: August 7, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S.H. Chu
  • Publication number: 20180206863
    Abstract: An insertion device includes a body and a delivery shaft, and the body includes a longitudinal axis aligned with a central long axis of a proximal end of the delivery shaft. A holder may be coupled to the body of the insertion device, and the holder includes a medical device receiving chamber having a longitudinal axis that is non-parallel to the longitudinal axis of the body.
    Type: Application
    Filed: January 16, 2018
    Publication date: July 26, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventor: Michael S.H. Chu
  • Publication number: 20180199799
    Abstract: A device may include a first portion coupled to a shaft of an insertable medical device. The first portion may extend along a first portion longitudinal axis between a proximal end and a distal end. The first portion may include a protrusion extending radially outwardly of the first portion longitudinal axis. At least a portion of the first portion may be received within a lumen of a second portion. The second portion may be axially moveable along the first portion longitudinal axis relative to the first portion. The second portion may include a longitudinally extending channel. A spring may be located radially between the first portion and the second portion.
    Type: Application
    Filed: January 12, 2018
    Publication date: July 19, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventor: Michael S.H. Chu
  • Publication number: 20180192982
    Abstract: Aspects of stone identification methods and systems are described. According to one aspect, an exemplary method comprises: transmitting to a processing unit, with an imaging element mounted on a distal end of a scope, image data about a stone object inside a body cavity; generating from the image data, with the processing unit, a visual representation of the stone object and the body cavity; establishing from a user input, with the processing unit, a scale for the visual representation; determining from the visual representation, with the processing unit, a size of the stone object on the scale; comparing, with the processing unit, the size of the stone object with a predetermined maximum size to determine a removal status; and augmenting, with the processing unit, the visual representation to include an indicator responsive to the removal status. Associated systems are also described.
    Type: Application
    Filed: January 2, 2018
    Publication date: July 12, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Peter J. PEREIRA, Michael S.H. CHU, Elizabeth STOKLEY, David Saito, Candace RHODES
  • Publication number: 20180185044
    Abstract: A retrieval device may include a sheath including a distal end and a proximal end, and an end effector at the distal end. At least a portion of the end effector may be movable relative to the sheath between extended and retracted states. The end effector may include a support member extending from the distal end of the sheath, and a movable member extending from the distal end of the support member. The device may include a handle assembly at the proximal end of the sheath, having an actuation member for transitioning the end effector between the extended and retracted states. The device may include a biasing member coupled to at least one of the actuation member and the sheath that may control a force, exerted by one of the movable members and the support member on the other, generated by relative movement between the movable and support members.
    Type: Application
    Filed: February 27, 2018
    Publication date: July 5, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. CHU, Kimberly DeGRAAF, Peter J. PEREIRA
  • Publication number: 20180168672
    Abstract: A medical device includes a sheath, an shaft at least partially surrounded by the sheath, an end effector at a distal end of the shaft and movable between at least an open position and a closed position, and a handle. The handle includes a shaft advancement body, a channel body securely coupled to the sheath and selectively positionable with respect to the shaft advancement body, and a plunger securely coupled to the shaft and selectively positionable with respect to the channel body.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 21, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventor: Michael S.H. Chu
  • Publication number: 20180161557
    Abstract: Devices and methods for trimming a stent to a desired length with an outer tube and an inner tube having a distal end and a diameter configured to receive a portion of the stent in excess of the desired length. The inner tube may move within the outer tube and the distal end may include an end effector configured to trim the portion from the stent while the device and stent are within a patient.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 14, 2018
    Inventors: Kimberly DeGraaf, Peter J. Pereira, Manuel Teixeira, William A. Sturos, Jefferson R. Alpizar, Jozef Slanda, Mark Hera, Michael S.H. Chu, David Salto
  • Patent number: 9974637
    Abstract: An insertion device includes an elongate member and a stylet. The elongate member has a proximal end portion, a distal end portion, and defines a lumen therethrough. The stylet has a distal end portion, a proximal end portion, and is slidably coupled to the elongate member. The stylet is configured to move from a first position to a second position with respect to the elongate member. The distal end portion of the stylet is configured to removably couple a mesh carrier thereto. A portion of the distal end portion of the stylet is disposed outside of the lumen of the elongate member when the stylet is in its first position and is disposed within the lumen when the stylet is in its second position.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: May 22, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. Chu, Karthik Lavakumar, Steven A. Olivieri
  • Patent number: 9974639
    Abstract: In one embodiment, an apparatus includes a support portion disposable within a pelvic region and a strap extending from the support portion. The strap has a length and is configured to be disposed at least partially within a pelvic tissue. A sleeve is releasably disposed over at least a portion of the strap. The sleeve has a length that is longer than the length of the strap. In some embodiments, the length of the sleeve is at least twice as long as the length of the strap. In some embodiments, a suture couples the sleeve to the strap. The apparatus can also include a suture disposed at least partially within an interior of the sleeve and forming two strands of suture within the interior of the sleeve. The two strands are separated by a distance defined by a separator portion of the sleeve.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: May 22, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Patent number: 9974638
    Abstract: According to an aspect, a medical device may include an elongated shaft configured to rotate about its longitudinal axis. The elongated shaft may include a retaining area configured to retain an implant. The medical device may include a sheath disposed around a portion of the elongated shaft. The elongated shaft may be configured to move in relation to the sheath. The elongated shaft may be configured to move in a direction parallel to the longitudinal axis between a first position and a second position. When the elongated shaft is in the first position, the retaining area is disposed outside of a cavity defined by the sheath. When the elongated shaft is in the second position, the retaining area is disposed within the cavity defined by the sheath.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: May 22, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Jonathan Zoll, Peter J. Pereira, Michael S. H. Chu
  • Patent number: 9974553
    Abstract: A medical device including an energy generator, a proximal end, and a distal end. The proximal end may include a handle and one or more connectors coupled to the energy generator. The distal end may include a number of movable branch members connected to one or more movable filaments at the distal end to form at least one expandable snare. At least one of the one or more movable filaments may be coupled to the one or more connectors to transfer energy to the at least one of the one or more movable filaments. A portion of the at least one of the one or more movable filaments forming the at least one expandable snare may be insulated.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: May 22, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Publication number: 20180139392
    Abstract: Guidance systems and associated methods are disclosed. One method comprises: receiving macroscan data prior to an operation; defining a body information model from the macroscan data; positioning a navigation component in the body during the operation; generating microscan data with the navigation component; correlating a location in the macroscan data with a location in the microscan data in the body information model; and/or modifying the body information model by combining an image in the microscan data with an image in the macroscan data.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 17, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Niraj P. Rauniyar, Timothy P. HARRAH, Peter J. PEREIRA, William M. ASSELIN, Michael S. H. CHU, Brandon W. CRAFT, Adam P. NODIFF, Chad SCHNEIDER, William STANHOPE, Eric WONG, Kimberly DeGRAAF
  • Patent number: 9968429
    Abstract: In a general aspect, a delivery device for delivering a medical implant can include a handle, a shaft having a first curved portion and terminating in a conical tip at a distal end and a transitional portion coupling the shaft with the handle. The transitional portion can include a first substantially straight section, a second substantially straight section and an angled section disposed between the first and second substantially straight sections. The angled section can define an angle between the first substantially straight section and the second substantially straight section. The first substantially straight section can extend from the distal end of the handle and have an outside diameter greater than an outside diameter of a distal end of the second substantially straight section. The second substantially straight section can have a distal end axially adjacent to the proximal end of the shaft and have a diameter that decreases distally.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: May 15, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. Chu, Alfred P. Intoccia, Jr., Tim Moore
  • Publication number: 20180125516
    Abstract: A medical insertion device may include a handle including a proximal portion, an intermediate portion, and a distal portion. A delivery shaft may be coupled to a distal most end of the distal portion of the handle. The handle may further include a deflection lever, and a hub for introduction of a medical device, the hub and the deflection lever both being located in the proximal portion of the handle.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 10, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventor: Michael S.H. Chu
  • Publication number: 20180125511
    Abstract: A medical device may include a sheath, an elongate member at least partially surrounded by the sheath, an end effector at a distal end of the elongate member and movable between an open position and a closed position, and a handle. The handle may include an actuator member coupled to the sheath, an adjustment member, and a biasing member extending between the actuator member and the adjustment member.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 10, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Michael S.H. Chu, Peter J. Pereira, Elizabeth A. Stokley, Ronald Ciulla, Colm Long
  • Patent number: 9962176
    Abstract: According to an example of the present disclosure, a retrieval device having a contracted state and an expanded state may include at least three support members each having a lumen, a fixed proximal end, and a movable distal end, and at least two members movable relative to the support members. Each movable member may include a first end and a second end and extending distally through a lumen of a support member and proximally through a lumen of a different support member. The device may include a stop located at the second end of at least one movable member to restrict movement of the second end after moving a distance distally during movement of the retrieval device toward the expanded state.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: May 8, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Publication number: 20180117280
    Abstract: A medical device may include a handle having a first handle portion and a second handle portion. The first handle portion may be rotatable relative to the second handle portion. The medical device may also include a deflectable shaft coupled to and extending distally of the first handle portion. A port may be positioned on the first handle portion and a control knob may be coupled to the shaft.
    Type: Application
    Filed: October 25, 2017
    Publication date: May 3, 2018
    Applicant: Boston Scientific Scimed, Inc.
    Inventor: Michael S.H. Chu
  • Patent number: 9949813
    Abstract: According to an example embodiment, an implant assembly may include a first handle, a first elongated member defining a first lumen, and a tissue support member extending through the first lumen of the first elongated member, the tissue support member including a first end and a second end, the first end being attached to the first handle.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: April 24, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. Chu, Kenneth M. Flynn
  • Patent number: 9943391
    Abstract: The present invention discloses a medical device that includes an elongate member, needle, needle deployment mechanism, and a head portion. The elongate member has a proximal portion, distal portion and a lumen defined along the elongate member. The needle deployment mechanism is disposed at least partially within the lumen. The head portion includes a tip portion that includes a front throat region, an opening, and a needle receiving portion. The front throat region includes a front edge and a lateral edge. The opening is defined by the lateral edge of the front throat region. The needle moves in and out of the device through the opening in a direction along the front edge of the front throat region. The needle receiving portion can be configured to capture the needle.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: April 17, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Patent number: 9936964
    Abstract: A retrieval device may include a sheath including a distal end and a proximal end, and an end effector at the distal end. At least a portion of the end effector may be movable relative to the sheath between extended and retracted states. The end effector may include a support member extending from the distal end of the sheath, and a movable member extending from the distal end of the support member. The device may include a handle assembly at the proximal end of the sheath, having an actuation member for transitioning the end effector between the extended and retracted states. The device may include a biasing member coupled to at least one of the actuation member and the sheath that may control a force, exerted by one of the movable members and the support member on the other, generated by relative movement between the movable and support members.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: April 10, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. Chu, Kimberly DeGraaf, Peter J. Pereira