Patents by Inventor Wing Fai Lam

Wing Fai Lam 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: 11925425
    Abstract: Example embodiments relate to surgical systems and methods. The system includes an arm assembly and end-effector assembly. The arm assembly includes a first drive portion and wrist drive portion. The end-effector assembly is securable to and removable from the arm assembly. The end-effector assembly includes an instrument assembly and wrist assembly. The instrument assembly includes a first instrument, first instrument driven portion, and first instrument insulative portion. The first instrument driven portion is configured to move the first instrument relative to a first axis when the first instrument driven portion is driven by the first drive portion. The wrist assembly includes a wrist driven portion. The wrist driven portion is configured to move the first instrument relative to a second axis when the wrist driven portion is driven by the wrist drive portion. The end-effector assembly is secured to and removable from the arm assembly via a wrist connector portion.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: March 12, 2024
    Assignee: IEMIS (HK) LIMITED
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Lik Alik Chan
  • Patent number: 11918311
    Abstract: Example embodiments relate to surgical systems. The system includes an end-effector assembly having an instrument. The system includes a first arm assembly. A distal end of first arm assembly is securable to the end-effector assembly. The system includes an elbow joint assembly. A distal end of elbow joint assembly is secured to a proximal end of first arm assembly. A proximal end of elbow joint assembly is secured to a distal end of second arm assembly. The second arm assembly includes a first elbow drive assembly. The first elbow drive assembly includes an integrated motor for driving the elbow joint assembly to pivotally move the first arm assembly relative to an axis. The second arm assembly also includes a second elbow drive assembly. The second elbow drive assembly includes an integrated motor for driving the elbow joint assembly to pivotally move the first arm assembly relative to another axis.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: March 5, 2024
    Assignee: IEMIS (HK) Limited
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Leung William Cheng
  • Publication number: 20230271114
    Abstract: A filtering apparatus for a fluid intake of a nuclear power generation facility comprise primary and secondary frames. The primary frame defines an enclosed volume having least one inlet opening, and at least one outlet opening in fluid communication with the fluid intake. A primary filter is supported on the primary frame and covers the inlet opening such that fluid passes into the enclosed volume through the primary filter. The secondary frame is located within the volume enclosed by the primary frame. A secondary filter is supported on the secondary frame and defines an enclosed flow passage in communication with the outlet opening, such that fluid passes into the at least one outlet opening through the secondary filter and the enclosed flow passage.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 31, 2023
    Inventors: Richard DAM, Francois CUSSAC, Jian XU, Wei Yan WANG, Wing Fai LAM
  • Publication number: 20230248364
    Abstract: An endoscopic anastomosis system (100), devices, and methods. The system (100) includes a first main body (200). The system (100) includes a head assembly (300) secured to the first main body (200). The head assembly (300) includes an opening (318), a first pressure port (332), and a first expandable member (320). The system (100) includes a second main body assembly (400), at least a portion of the second main body assembly (400) moveable through the opening (318) of the head assembly (300). The second main body assembly (400) includes a second expandable member (420) and a second pressure port (422). The system (100) includes a magnetic implant assembly (430) secured to an end of the second main body assembly (400). The magnetic implant assembly (430) includes a magnetic body (432). The magnetic body (432) is formed as a cylindrical body with a central axis.
    Type: Application
    Filed: July 7, 2020
    Publication date: August 10, 2023
    Inventors: Chung Kwong YEUNG, Wing Fai LAM, Yasser Khan Eronico WAQAR, Hon Shing CHAN, Biji SREEDHAR
  • Publication number: 20220031148
    Abstract: Example embodiments relate to endoscopic systems, devices, and methods. The system may include a main assembly having a main assembly body and expandable member. Main assembly body may include a proximal region, distal region, and central region having a pressure opening for providing positive pressure. Expandable member may have a tubular structure with interior channel, inward facing interior surface, outward facing exterior surface, and first and second ends. Interior channel may house the central region of the main assembly body. First end of the expandable member may be secured to the proximal region of the main assembly body. Second end of the expandable member may be secured to the distal region of the main assembly body. When the pressure opening provides positive pressure, the tubular structure of the expandable member between the first and second ends of the expandable member may expand outwardly away from the central region.
    Type: Application
    Filed: October 15, 2021
    Publication date: February 3, 2022
    Inventors: Chung Kwong Yeung, Kan Sang Mok, Wing Fai Lam, Ka Man Chan, King Ng, Yau Sik Tang
  • Publication number: 20210361367
    Abstract: Example embodiments relate to surgical systems. The system includes an end-effector assembly having an instrument. The system includes a first arm assembly. A distal end of first arm assembly is securable to the end-effector assembly. The system includes an elbow joint assembly. A distal end of elbow joint assembly is secured to a proximal end of first arm assembly. A proximal end of elbow joint assembly is secured to a distal end of second arm assembly. The second arm assembly includes a first elbow drive assembly. The first elbow drive assembly includes an integrated motor for driving the elbow joint assembly to pivotally move the first arm assembly relative to an axis. The second arm assembly also includes a second elbow drive assembly. The second elbow drive assembly includes an integrated motor for driving the elbow joint assembly to pivotally move the first arm assembly relative to another axis.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 25, 2021
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Leung William Cheng
  • Publication number: 20210338350
    Abstract: Example embodiments relate to surgical systems and methods. The system includes an arm assembly and end-effector assembly. The arm assembly includes a first drive portion and wrist drive portion. The end-effector assembly is securable to and removable from the arm assembly. The end-effector assembly includes an instrument assembly and wrist assembly. The instrument assembly includes a first instrument, first instrument driven portion, and first instrument insulative portion. The first instrument driven portion is configured to move the first instrument relative to a first axis when the first instrument driven portion is driven by the first drive portion. The wrist assembly includes a wrist driven portion. The wrist driven portion is configured to move the first instrument relative to a second axis when the wrist driven portion is driven by the wrist drive portion. The end-effector assembly is secured to and removable from the arm assembly via a wrist connector portion.
    Type: Application
    Filed: July 14, 2021
    Publication date: November 4, 2021
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Lik Alik Chan
  • Patent number: 11103323
    Abstract: Example embodiments relate generally to surgical systems. The system may include a first arm assembly having a first arm assembly body. The system may also include a distal elbow joint assembly secured to a proximal end of the first arm assembly. The distal elbow joint assembly may be configurable to provide the first arm assembly with a first degree of freedom relative to a first axis. The system may also include a proximal elbow joint assembly secured to the distal elbow joint assembly. The proximal elbow joint assembly may be configurable to provide the first arm assembly with a second degree of freedom relative to a second axis. The second axis may be different from the first axis. The first degree of freedom may be different from the second degree of freedom.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: August 31, 2021
    Assignee: Bio-Medical Engineering (HK) Limited
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Leung William Cheng
  • Patent number: 11096747
    Abstract: Example embodiments relate to surgical systems and methods. System includes an end-effector assembly and arm assembly. End-effector assembly includes an instrument assembly and wrist assembly. Instrument assembly includes an instrument and instrument driven portion. Instrument driven portion includes an instrument connection portion and instrument driven gear. Instrument connection portion connects the instrument driven gear to the instrument. Wrist assembly includes a wrist driven gear and wrist body, which connects the wrist driven gear to the instrument assembly. Arm assembly includes a wrist connector portion and integrated motors. Arm assembly attaches to and detaches from the wrist assembly. When the arm assembly is attached to the wrist assembly, the instrument driven gear and wrist driven gear are drivable to rotate by the integrated motors. When the arm assembly is detached from the wrist assembly, the instrument driven gear and wrist driven gear are not drivable to rotate by the integrated motors.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: August 24, 2021
    Assignee: Bio-Medical Engineering (HK) Limited
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Lik Alik Chan
  • Patent number: 10869593
    Abstract: Example embodiments relate to endoscopic systems. Endoscopic system includes main body and control section. Control section includes extendible section that extends and contracts to change length between extendible section ends. Control section includes first expandable member. When first expandable member is in an expanded configuration, first expandable member includes proximal side wall and distal side wall. Distal side wall of first expandable member includes first protrusions. Control section includes second expandable member. When second expandable member is in an expanded configuration, second expandable member includes distal side wall and proximal side wall. Proximal side wall of second expandable member includes second protrusions. First and second protrusions configurable to cooperate to form a sieve portion between first and second expandable members.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 22, 2020
    Assignee: Bio-Medical Engineering (HK) Limited
    Inventors: Chung-Kwong Yeung, Wing Fai Lam
  • Patent number: 10842358
    Abstract: Example embodiments relate to endoscopic systems. The system includes an outer assembly and main assembly. The outer assembly may include proximal and distal ends and outer anchor assembly. The outer anchor assembly may include a first expandable member and first outer pressure opening. The first expandable member may expand radially outwards. The main assembly may include proximal and distal ends and a navigation assembly. The navigation assembly may include an instrument, second expandable member, bendable section, extendible section, and first pressure opening. The extendible section may include proximal and distal ends. The proximal end of the extendible section may be secured in position relative to the distal end of the outer assembly. The extendible section may be configurable to extend and contract. The first main pressure opening may be configurable to apply a negative pressure.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: November 24, 2020
    Assignee: Bio-Medical Engineering (HK) Limited
    Inventors: Chung-Kwong Yeung, Steven Chu, Wing Fai Lam
  • Publication number: 20200330905
    Abstract: A filtering apparatus for a fluid intake of a nuclear power generation facility comprise primary and secondary frames. The primary frame defines an enclosed volume having least one inlet opening, and at least one outlet opening in fluid communication with the fluid intake. A primary filter is supported on the primary frame and covers the inlet opening such that fluid passes into the enclosed volume through the primary filter. The secondary frame is located within the volume enclosed by the primary frame. A secondary filter is supported on the secondary frame and defines an enclosed flow passage in communication with the outlet opening, such that fluid passes into the at least one outlet opening through the secondary filter and the enclosed flow passage.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 22, 2020
    Inventors: Richard DAM, Francois CUSSAC, Jian XU, Wei Yan WANG, Wing Fai LAM
  • Publication number: 20200008654
    Abstract: Example embodiments relate to endoscopic systems. Endoscopic system includes main body and control section. Control section includes extendible section that extends and contracts to change length between extendible section ends. Control section includes first expandable member. When first expandable member is in an expanded configuration, first expandable member includes proximal side wall and distal side wall. Distal side wall of first expandable member includes first protrusions. Control section includes second expandable member. When second expandable member is in an expanded configuration, second expandable member includes distal side wall and proximal side wall. Proximal side wall of second expandable member includes second protrusions. First and second protrusions configurable to cooperate to form a sieve portion between first and second expandable members.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventors: Chung-Kwong Yeung, Wing Fai Lam
  • Patent number: 10448805
    Abstract: Example embodiments relate generally to endoscopic systems, devices, and methods. The system may include a main body, actuation control members, navigation section, and anchor assembly. Navigation section includes distal termination points for receiving actuation control members. Navigation section is selectively controllable to bend. Anchor assembly includes first expandable member, second expandable member, and pressure openings. First expandable member transitions between an expanded and non-expanded configuration. Distal side wall of first expandable member includes first protrusions. Second expandable member transitions between an expanded and non-expanded configuration. Proximal side wall of second expandable member includes second protrusions. First and second protrusions are configurable to cooperatively form a sieve portion. Connector assembly includes connector assembly body and connector interface portion.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: October 22, 2019
    Assignee: Bio-Medical Engineering (HK) Limited
    Inventors: Chung-Kwong Yeung, Wing Fai Lam
  • Publication number: 20190060015
    Abstract: Example embodiments relate generally to surgical systems. The system may include a first arm assembly having a first arm assembly body. The system may also include a distal elbow joint assembly secured to a proximal end of the first arm assembly. The distal elbow joint assembly may be configurable to provide the first arm assembly with a first degree of freedom relative to a first axis. The system may also include a proximal elbow joint assembly secured to the distal elbow joint assembly. The proximal elbow joint assembly may be configurable to provide the first arm assembly with a second degree of freedom relative to a second axis. The second axis may be different from the first axis. The first degree of freedom may be different from the second degree of freedom.
    Type: Application
    Filed: October 26, 2018
    Publication date: February 28, 2019
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Leung William Cheng
  • Publication number: 20190060010
    Abstract: Example embodiments relate to surgical systems and methods. System includes an end-effector assembly and arm assembly. End-effector assembly includes an instrument assembly and wrist assembly. Instrument assembly includes an instrument and instrument driven portion. Instrument driven portion includes an instrument connection portion and instrument driven gear. Instrument connection portion connects the instrument driven gear to the instrument. Wrist assembly includes a wrist driven gear and wrist body, which connects the wrist driven gear to the instrument assembly. Arm assembly includes a wrist connector portion and integrated motors. Arm assembly attaches to and detaches from the wrist assembly. When the arm assembly is attached to the wrist assembly, the instrument driven gear and wrist driven gear are drivable to rotate by the integrated motors. When the arm assembly is detached from the wrist assembly, the instrument driven gear and wrist driven gear are not drivable to rotate by the integrated motors.
    Type: Application
    Filed: October 26, 2018
    Publication date: February 28, 2019
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Lik Alik Chan
  • Patent number: 10172680
    Abstract: Example surgical systems include end-effector assembly, arm assembly, and elbow joint assembly. Arm assembly includes proximal and distal ends. Elbow joint assembly secures proximal end of arm assembly to distal end of second arm assembly. Elbow joint assembly includes first and second elbow joint portions. First elbow joint portion includes first end section secured to proximal end of arm assembly, second end section, and first joint joining first and second end sections of first elbow joint portion. Second elbow joint portion includes first end section secured to second end section of first elbow joint portion, second end section secured to distal end of second arm assembly, and second joint joining first and second end sections of second elbow joint portion. First end section of first and second elbow joint portion are pivotable relative to first and second axes, respectively, formed by center line drawn through first and second joints, respectively.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: January 8, 2019
    Assignee: Bio-Medical Engineering (HK) Limited
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Leung William Cheng
  • Patent number: 10166081
    Abstract: Example embodiments relate to surgical devices, systems, and methods. The system may include an end-effector assembly. The end-effector assembly may comprise an instrument assembly and a wrist assembly. The instrument assembly may comprise an instrument for performing a surgical action. The instrument assembly may further comprise an instrument driven portion configurable to be driven in such a way as to move the instrument relative to a first axis. The instrument assembly may further comprise an instrument insulative portion providable between the instrument and the instrument driven portion. The instrument insulative portion may be configurable to electrically isolate the instrument from at least the instrument driven portion when the instrument insulative portion is provided between the instrument and the instrument driven portion. The wrist assembly may include a wrist driven portion configurable to be driven in such a way as to move the instrument relative to a second axis.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: January 1, 2019
    Assignee: BIO-MEDICAL ENGINEERING (HK) LIMITED
    Inventors: Chung Kwong Yeung, Wing Fai Lam, Wai Lik Alik Chan
  • Publication number: 20180368666
    Abstract: Example embodiments relate to endoscopic systems. The system includes an outer assembly and main assembly. The outer assembly may include proximal and distal ends and outer anchor assembly. The outer anchor assembly may include a first expandable member and first outer pressure opening. The first expandable member may expand radially outwards. The main assembly may include proximal and distal ends and a navigation assembly. The navigation assembly may include an instrument, second expandable member, bendable section, extendible section, and first pressure opening. The extendible section may include proximal and distal ends. The proximal end of the extendible section may be secured in position relative to the distal end of the outer assembly. The extendible section may be configurable to extend and contract. The first main pressure opening may be configurable to apply a negative pressure.
    Type: Application
    Filed: August 21, 2018
    Publication date: December 27, 2018
    Inventors: Chung-Kwong Yeung, Steven Chu, Wing Fai Lam
  • Patent number: 10136799
    Abstract: Example embodiments relate to endoscopic systems. The system includes an elongated main body having a first end. The system may further comprise an anchor assembly attached to the main body near the first end of the main body. The anchor assembly may comprise a first expandable member. The first expandable member may be configurable to expand radially away from the main body. The anchor assembly may further comprise a second expandable member provided between the first expandable member and the first end of the main body. The second expandable member may be configurable to expand radially away from the main body. The anchor assembly may be operable to secure the main body with respect to an interior wall forming the cavity of the patient.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: November 27, 2018
    Assignee: Bio-Medical Engineering (HK) Limited
    Inventors: Chung-Kwong Yeung, Steven Chu, Wing Fai Lam