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: 10918402
    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: Grant
    Filed: January 16, 2018
    Date of Patent: February 16, 2021
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Publication number: 20210038240
    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: October 22, 2020
    Publication date: February 11, 2021
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. CHU, Kimberly DeGRAAF, Peter J. PEREIRA
  • Patent number: 10911693
    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: Grant
    Filed: November 9, 2017
    Date of Patent: February 2, 2021
    Assignee: 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: 10881832
    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: Grant
    Filed: October 25, 2017
    Date of Patent: January 5, 2021
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Patent number: 10856959
    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: April 30, 2018
    Date of Patent: December 8, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. Chu, Karthik Lavakumar, Steven A. Olivieri
  • Patent number: 10849638
    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: February 27, 2018
    Date of Patent: December 1, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. Chu, Kimberly DeGraaf, Peter J. Pereira
  • Publication number: 20200352672
    Abstract: The present disclosure relates generally to the field of medical devices and establishing access to the renal capsule. In particular, the present disclosure relates to devices and methods for performing a percutaneous nephrolithotomy (PCNL) procedure accurately and efficiently while minimizing exposure of the medical professional to harmful radiation.
    Type: Application
    Filed: August 27, 2018
    Publication date: November 12, 2020
    Inventors: Michael S.H. Chu, Ashish Jain, Sudbodh Morey, Timothy P. Harrah
  • Publication number: 20200352650
    Abstract: A medical system may include an insertion device including a delivery shaft with at least one lumen, a tube coupled to an exterior of the delivery shaft, and an adaptor coupling a distal end of the delivery shaft to a distal end of the tube. One of the delivery shaft and the tube may be configured to receive an energy delivery device, and the other of the delivery shaft and the tube may be configured to be coupled to a suction source to apply suction.
    Type: Application
    Filed: May 5, 2020
    Publication date: November 12, 2020
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. CHU, Mayur K. PATEL, Sacha TANG, Kimberly DeGRAAF
  • Patent number: 10828053
    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: Grant
    Filed: November 3, 2017
    Date of Patent: November 10, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Patent number: 10823923
    Abstract: A medical system includes a tube and a plurality of clips that secure the tube in a partially spiral configuration. The medical system also includes a platform coupled to a radial exterior of the tube. The platform includes at least one hole and a plurality of retaining elements.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: November 3, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Publication number: 20200337526
    Abstract: A system for modularly assembling a scope device includes an optical module which has an optical housing and a longitudinal member extending distally therefrom. A distal end of the member includes a camera for visualizing a target area, electric wires and a light source extending from the camera to the optical housing. The system also includes a deflector module coupleable with the optical module. The deflector module includes a deflector housing and a deflector shaft extending distally therefrom. The shaft includes a first channel sized, shaped and configured to receive the member therein and a deflectable portion extending along a distal portion of the shaft. The deflector housing includes an actuator for deflecting the deflectable portion, the optical and deflector housings including corresponding connecting elements to engage one another when the member is inserted through the first channel and the deflector and optical housings are coupled.
    Type: Application
    Filed: March 17, 2020
    Publication date: October 29, 2020
    Inventors: Michael S. H. CHU, Sacha Tang, Mayur Kiran Patel
  • Publication number: 20200337529
    Abstract: A scope device includes a shaft, a deflectable portion, and a handle portion. The shaft is inserted through a body lumen to a target area within a body. The shaft defines first and second lumens extending along a proximal portion thereof. The first and second lumens are merged to form a common lumen along a distal portion thereof via a fitting having a structure which, when connected to the first and second lumens, converge the first and second lumens toward the common lumen. The deflectable portion is connected to the distal end of the shaft and includes a channel aligned with and in communication with the common lumen. The handle portion includes a connector having a first hub including a first channel open to and in communication with the first lumen and a second hub including a second channel open to and in communication with the second lumen.
    Type: Application
    Filed: March 17, 2020
    Publication date: October 29, 2020
    Inventors: Michael S. H. CHU, Mayur Kiran PATEL, Sacha TANG
  • Patent number: 10792062
    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: Grant
    Filed: December 14, 2017
    Date of Patent: October 6, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Patent number: 10736646
    Abstract: Aspects of a device are described herein. The device may comprise: a housing including a track with a plurality of segments; a plunger including a pin located in the track; a sheath extending distally from the housing; a wire extending distally from the plunger into the sheath; and an end effector on a distal end of the wire, wherein the housing is movable relative to the plunger to move the pin between the plurality of segments, and each of the plurality of segments corresponds with a position of the end effector relative to the sheath. Related devices, kits, and methods also are disclosed.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: August 11, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventor: Michael S. H. Chu
  • Publication number: 20200245963
    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: April 7, 2020
    Publication date: August 6, 2020
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Peter J. PEREIRA, Michael S. H. CHU, Elizabeth STOKLEY, David SALTO, Candace RHODES
  • Publication number: 20200222163
    Abstract: The invention discloses an implant. The implant may include a first flap and a second flap. The first flap may further include a first portion, a second portion and a transition region. The first portion may be configured to be attached proximate a sacrum. The second portion may be configured to be attached to an anterior vaginal wall. The transition region lies between the first portion and the second portion. The second flap may be fabricated such that a portion of the second flap is configured to be attached to a posterior vaginal wall. The implant may be configured such that a value corresponding to a biomechanical parameter defining a biomechanical attribute of the portion of the first flap attaching to the anterior wall is different from a value of the biomechanical parameter defining the biomechanical attribute of the portion of the second flap attaching to the posterior wall.
    Type: Application
    Filed: March 26, 2020
    Publication date: July 16, 2020
    Inventors: Peter J. Pereira, James M. Goddard, Michael S.H. Chu
  • Patent number: 10709465
    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: Grant
    Filed: November 3, 2017
    Date of Patent: July 14, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. Chu, Peter J. Pereira, Elizabeth A. Stokley, Ronald Ciulla, Colm Long
  • Publication number: 20200197579
    Abstract: A medical system includes an insertion device including a delivery shaft with an internal lumen, a coupling tube coupled to the delivery shaft and configured to receive a medical device, and a liner tube inserted through the internal lumen of the delivery shaft.
    Type: Application
    Filed: October 25, 2019
    Publication date: June 25, 2020
    Applicant: Boston Scientific Scimed, Inc.
    Inventors: Michael S. H. CHU, Sacha TANG, Mayur Kiran PATEL
  • Publication number: 20200200313
    Abstract: A fluid management system may include a fluid pump capable of generating a pulsatile flow of fluid, a fluid pathway for transporting the pulsatile flow of fluid from a fluid source through the fluid pump to a medical device, a dampening element in fluid communication with the fluid pathway and operably independent of the fluid pump, the dampening element comprising one or more barrels, each barrel including a movable seal member disposed within the barrel and a biasing member disposed within the barrel and engaged with the movable seal member, the dampening element being responsive to pressure fluctuations of the pulsatile fluid flow to actively dampen the pressure fluctuations, and a fluid flow sensor disposed along the fluid pathway between the dampening element and the medical device to measure a flow rate of the smoothened pulsatile fluid flow in both flow directions.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: MICHAEL S. H. CHU, MAYUR kiran PATEL, SACHA TANG
  • Publication number: 20200178990
    Abstract: A medical system may include an insertion device having a handle, a shaft coupled to the handle of the insertion device, and a port positioned on the handle of the insertion device. The port may be in fluid communication with a working channel of the shaft. The port may be a female luer port. The medical system may further include a medical device having a control member terminating in an end effector, a handle having a plurality of circumferential slots along the length of the handle, and a plunger moveable along a longitudinal axis of the handle of the medical device between a first position and a second position. In the first position, the end effector may be positioned within the shaft, and in the second position, the end effector may be positioned distally of the shaft.
    Type: Application
    Filed: February 10, 2020
    Publication date: June 11, 2020
    Applicant: Boston Scientific Scimed, Inc.
    Inventor: Michael S.H. CHU