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).
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Publication number: 20230263571Abstract: 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: ApplicationFiled: May 1, 2023Publication date: August 24, 2023Applicant: Boston Scientific Scimed, Inc.Inventors: Michael S. H. CHU, Mayur K. PATEL, Sacha TANG, Kimberly DeGRAAF
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Publication number: 20230263369Abstract: 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: ApplicationFiled: April 25, 2023Publication date: August 24, 2023Applicant: Boston Scientific Scimed, Inc.Inventors: Michael S. H. CHU, Sacha TANG, Mayur Kiran PATEL
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Patent number: 11723516Abstract: An endoscopic deployment device includes a body mountable on an endoscopic device, the body having a movable carrier couplable to an end effector device, the end effector device having an end effector shaft covered by an outer sheath and an end effector extending from a distal end of the end effector shaft, the outer sheath being sized and shaped for insertion through a working channel of the endoscopic device, the body having a carrier channel for the carrier to slide therein, wherein the end effecter is actuatable between an open position and a closed position; and a motor having a drive shaft coupled to the carrier, rotation of the drive shaft sliding the carrier in the carrier channel and actuating the end effector in response to a signal from one or more actuation buttons; wherein at least one vibration motor generates vibrations as an angular position of the motor changes.Type: GrantFiled: December 11, 2020Date of Patent: August 15, 2023Assignee: BOSTON SCIENTIFIC SCIMED INC.Inventors: Sharmad S. Joshi, Michael S. H. Chu
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Publication number: 20230240698Abstract: A retrieval device may have a contracted state and an expanded state. The retrieval device may include a sheath and at least three support members. Each of the support members may have a first portion with a first cross-sectional shape and a second portion with a second cross-sectional shape different from the first cross-sectional shape. A proximal end fixed of each of the support members may be coupled to the sheath, and a distal end may be movable relative to the sheath. The retrieval device may further include at least three movable members movable relative to the support members. Each movable member may extend through a lumen of one support member of the at least three support members and through a lumen of a different support member of the at least three support members.Type: ApplicationFiled: April 10, 2023Publication date: August 3, 2023Applicant: Boston Scientific Scimed, Inc.Inventor: Michael S.H. CHU
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Publication number: 20230218868Abstract: The present disclosure relates generally to the field of medical devices and methods to assist in the introduction of an instrument into a patient, and more particularly to medical devices for measuring and/or monitoring forces applied during introduction of an access sheath through a body lumen.Type: ApplicationFiled: March 14, 2023Publication date: July 13, 2023Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventor: Michael S H Chu
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Publication number: 20230181011Abstract: 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: ApplicationFiled: February 13, 2023Publication date: June 15, 2023Applicant: Boston Scientific Scimed, Inc.Inventor: Michael S.H. CHU
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Patent number: 11672601Abstract: 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: GrantFiled: May 5, 2020Date of Patent: June 13, 2023Inventors: Michael S. H. Chu, Mayur K. Patel, Sacha Tang, Kimberly DeGraaf
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Patent number: 11672555Abstract: A retrieval device may have a contracted state and an expanded state. The retrieval device may include a sheath and at least three support members. Each of the support members may have a first portion with a first cross-sectional shape and a second portion with a second cross-sectional shape different from the first cross-sectional shape. A proximal end fixed of each of the support members may be coupled to the sheath, and a distal end may be movable relative to the sheath. The retrieval device may further include at least three movable members movable relative to the support members. Each movable member may extend through a lumen of one support member of the at least three support members and through a lumen of a different support member of the at least three support members.Type: GrantFiled: July 11, 2019Date of Patent: June 13, 2023Assignee: Boston Scientific Scimed, Inc.Inventor: Michael S. H. Chu
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Patent number: 11653827Abstract: 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: GrantFiled: October 25, 2019Date of Patent: May 23, 2023Assignee: Boston Scientific Scimed Inc.Inventors: Michael S. H. Chu, Sacha Tang, Mayur Kiran Patel
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Publication number: 20230148845Abstract: Several embodiments of the present invention are generally directed to medical visualization systems that comprise combinations of disposable and reusable components, such as catheters, functional handles, hubs, optical devices, etc. Other embodiments of the present invention are generally directed to features and aspects of an in-vivo visualization system that comprises an endoscope having a working channel through which a catheter having viewing capabilities is routed. the catheter may obtain viewing capabilities by being constructed as a vision catheter or by having a fiberscope or other viewing device selectively routed through one of its channels. The catheter is preferably of the steerable type so that the distal end of the catheter may be steered from its proximal end as it is advanced with the body. A suitable use for the in-vivo visualization system includes but is not limited to diagnosis and/or treatment of the duodenum, and particularly the biliary tree.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Applicant: Boston Scientific Scimed, Inc.Inventors: John O. McWEENEY, Michael S. H. CHU, Jozef SLANDA, Benjamin E. MORRIS, David W. ROBERTSON, David I. FREED, James F. SCHUERMANN, John B. GOLDEN, Brian Keith WELLS, Jesse Leonard FARRIS, III, Oscar R. CARRILLO, JR., Todd A. HALL, Yem CHIN, Mark L. ADAMS
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Publication number: 20230145569Abstract: Several embodiments of the present invention are generally directed to medical visualization systems that comprise combinations of disposable and resuable components, such as catheters, functional handles, hubs, optical devices, etc. Other embodiments of the present invention are generally directed to features and aspects of an in-vivo visualization system that comprises an endoscope having a working channel through which a catheter having viewing capabilities is routed. the catheter may obtain viewing capabilities by being constructed as a vision catheter or by having a fiberscope or other viewing device selectively routed through one of its channels. The catheter is preferably of the steerable type so that the distal end of the catheter may be steered from its proximal end as it is advanced with the body. A suitable use for the in-vivo visualization system includes but is not limited to diagnosis and/or treatment of the duodenum, and particularly the biliary tree.Type: ApplicationFiled: January 17, 2023Publication date: May 11, 2023Applicant: Boston Scientific Scimed, Inc.Inventors: John O. McWEENEY, Michael S. H. CHU, Jozef SLANDA, Benjamin E. MORRIS, David W. ROBERTSON, David I. FREED, James F. SCHUERMANN, John B. GOLDEN, Brian Keith WELLS, Jesse Leonard FARRIS, III, Oscar R. CARRILLO, JR., Todd A. HALL, Yem CHIN, Mark L. ADAMS
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Patent number: 11628279Abstract: The present disclosure relates generally to the field of medical devices and methods to assist in the introduction of an instrument into a patient, and more particularly to medical devices for measuring and/or monitoring forces applied during introduction of an access sheath through a body lumen.Type: GrantFiled: September 19, 2018Date of Patent: April 18, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventor: Michael S. H. Chu
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Patent number: 11602262Abstract: 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: GrantFiled: January 12, 2018Date of Patent: March 14, 2023Assignee: Boston Scientific Scimed, Inc.Inventor: Michael S. H. Chu
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Publication number: 20230070607Abstract: A medical device may include an introducer sheath, having a distal and a proximal end and a lumen extending from the distal end to the proximal end. The introducer sheath may also include a tab formed at the distal end and extending distal to the lumen, and a frangible portion extending between the distal end and the proximal end.Type: ApplicationFiled: October 27, 2022Publication date: March 9, 2023Applicant: Boston Scientific Scimed, Inc.Inventor: Michael S. H. CHU
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Publication number: 20230055911Abstract: A ureteroscope system includes a handle; an elongated shaft extends from the handle to a distal end and includes a working channel which is opened at the distal end; an external member extends from a proximal end to a distal end and is coupled to the shaft, the member includes a hub and a tube defining a first external channel; and a coupling mechanism defines first and second tubes and is coupled the distal end of the member to the distal end of the shaft. The first tube defines a first lumen and the second tube defines a second lumen which is sized and shaped to receive a distal end of the member. A proximal portion of the first tube is sized and shaped to be inserted into a distal portion of the shaft such that the first lumen is opened to the working channel.Type: ApplicationFiled: October 18, 2022Publication date: February 23, 2023Inventors: Michael S. H. CHU, Mayur PATEL, Sacha TANG
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Patent number: 11583362Abstract: 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: GrantFiled: August 27, 2018Date of Patent: February 21, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Michael S. H. Chu, Ashish Jain, Subodh Morey, Timothy P. Harrah
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Publication number: 20230042236Abstract: Single use medical devices and mechanisms for preventing the re-use thereof. A single use medical device may include a housing defining an insertion slot and a lockout mechanism. The lockout mechanism may comprise a biasing mechanism and a movable slide element positioned adjacent to the insertion slot and the biasing mechanism, the slide element movable between a pre-use configuration, an in-use configuration, and a post-use configuration. The slide element may be actuated via an insertion member removably inserted into the insertion slot.Type: ApplicationFiled: August 2, 2022Publication date: February 9, 2023Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventor: Michael S. H. Chu
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Patent number: 11534190Abstract: 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: GrantFiled: February 10, 2020Date of Patent: December 27, 2022Assignee: Boston Scientific Scimed, Inc.Inventor: Michael S. H. Chu
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Publication number: 20220387199Abstract: The disclosure relates to a stent assembly for placement of a stent within a ureter. In many embodiments, the stent assembly includes a band coupled to a proximal end of the stent. In many such embodiments, the band may extend into the urethra and facilitate removal of the catheter without the help of a medical professional or requiring a portion of the stent assembly (e.g., suture loop) to extend outside of the patient. In various embodiments, the band may include one or more features that promote patient comfort while the stent is positioned within a body, such as by being atraumatic and/or seamless.Type: ApplicationFiled: May 31, 2022Publication date: December 8, 2022Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventor: Michael S H Chu
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Publication number: 20220386852Abstract: 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: ApplicationFiled: August 18, 2022Publication date: December 8, 2022Inventors: Michael S. H. CHU, Sacha TANG, Mayur Kiran PATEL