Patents by Inventor Shaw P. Wan

Shaw P. Wan 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).

  • Publication number: 20250041503
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Application
    Filed: October 18, 2024
    Publication date: February 6, 2025
    Inventor: Shaw P. Wan
  • Patent number: 12178459
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: December 31, 2024
    Assignee: Well Lead Co, LTD
    Inventor: Shaw P. Wan
  • Publication number: 20240374267
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Application
    Filed: February 28, 2024
    Publication date: November 14, 2024
    Inventor: Shaw P. Wan
  • Patent number: 11944329
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: April 2, 2024
    Assignee: Well Lead Co, LTD
    Inventor: Shaw P. Wan
  • Publication number: 20220346831
    Abstract: A needle guide comprising a base to which a pair of horizontal slide bars are secured, the horizontal slide bars including a channel opening running between the bars, a needle stabilizer with a central tube is slideably engaged with the pair of horizontal slide bars, wherein the needle stabilizer extends through the channel opening and has the ability to change positions along a length of the horizontal slide bar, an angular ruler is secured to the base and located proximal to the needle stabilizer to allow accurate adjustment of the angle of the externally adjustable needle guide and one or more virtual visualization bars to aid in visualization using radiography, ultrasound, or magnetic resonance (or any other medical imaging technology) to visualize the virtual visualization bars.
    Type: Application
    Filed: May 13, 2022
    Publication date: November 3, 2022
    Inventor: Shaw P. Wan
  • Publication number: 20220304750
    Abstract: The instant invention is comprised of radiographic grids and an adjustable needle guide to facilitate the placement of an introductory needle using a two-dimensional aiming using an imaging needle guide comprising a proximal grid including a body, a top side, a bottom side, one or more radiopaque rings, and a central aperture extending through the body from the top side to the bottom side, a distal grid including a body, a top side, a bottom side, one or more radiopaque rings, and a central aperture extending through the body from the top side to the bottom side, and a needle.
    Type: Application
    Filed: March 25, 2021
    Publication date: September 29, 2022
    Inventor: Shaw P. Wan
  • Publication number: 20210022757
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 28, 2021
    Inventor: Shaw P. Wan
  • Publication number: 20210022759
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 28, 2021
    Inventor: Shaw P. Wan
  • Publication number: 20210015509
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Inventor: Shaw P. Wan
  • Patent number: 10828051
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: November 10, 2020
    Inventor: Shaw P. Wan
  • Patent number: 10828050
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: November 10, 2020
    Inventor: Shaw P. Wan
  • Patent number: 10405844
    Abstract: A surgical retractor has a shaft with an integral blade. The shaft and the blade are joined at an angle. The blade has an upper surface. A plurality of LED lights are embedded within the blade and are exposed at the upper surface. The blade surrounding the LED lights is opaque. The retractor may further include a camera mounted on the blade. Also disclosed is a surgical retractor kit including a mounting ring, at least one of the aforementioned surgical retractors, and a coupler for releasably mounting the retractor to the ring.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: September 10, 2019
    Inventor: Shaw P. Wan
  • Patent number: 10368885
    Abstract: A device for removing a stone, a stone fragment, or a foreign body from a patient comprising a suction evacuation assembly which includes a primary sheath with a flexible end, an obturator releaseably secured to the sheath, a side arm emanating from the primary sheath, a deflection mechanism which is operationally associated with the flexible end of the sheath and a secondary sheath with a dual lumen and an oblong shape wherein the dual lumen allow passage of surgical instruments and irrigation fluid and wherein the oblong shape provides for adequate space for the egress of stone fragments and fluid through the primary and/or secondary sheath, wherein the obturator is withdrawn from the primary sheath and the secondary sheath is inserted into the primary sheath and into the patient in order to facilitate the removal of the stone, stone fragment or foreign body.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: August 6, 2019
    Assignee: Well Lead Co., Ltd.
    Inventors: Shaw P. Wan, Guohua Zeng
  • Publication number: 20180206866
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Application
    Filed: April 27, 2015
    Publication date: July 26, 2018
    Inventor: Shaw P. Wan
  • Publication number: 20170296162
    Abstract: A surgical retractor has a shaft with an integral blade. The shaft and the blade are joined at an angle. The blade has an upper surface. A plurality of LED lights are embedded within the blade and are exposed at the upper surface. The blade surrounding the LED lights is opaque. The retractor may further include a camera mounted on the blade. Also disclosed is a surgical retractor kit including a mounting ring, at least one of the aforementioned surgical retractors, and a coupler for releaseably mounting the retractor to the ring.
    Type: Application
    Filed: July 5, 2017
    Publication date: October 19, 2017
    Inventor: Shaw P. Wan
  • Publication number: 20170252051
    Abstract: A device for removing a stone, a stone fragment, or a foreign body from a patient comprising a suction evacuation assembly which includes a primary sheath with a flexible end, an obturator releaseably secured to the sheath, a side arm emanating from the primary sheath, a deflection mechanism which is operationally associated with the flexible end of the sheath and a secondary sheath with a dual lumen and an oblong shape wherein the dual lumen allow passage of surgical instruments and irrigation fluid and wherein the oblong shape provides for adequate space for the egress of stone fragments and fluid through the primary and/or secondary sheath, wherein the obturator is withdrawn from the primary sheath and the secondary sheath is inserted into the primary sheath and into the patient in order to facilitate the removal of the stone, stone fragment or foreign body.
    Type: Application
    Filed: March 4, 2016
    Publication date: September 7, 2017
    Applicant: Well Lead Medical
    Inventors: Shaw P. Wan, Guohua Zeng
  • Patent number: 9730685
    Abstract: A surgical retractor has a shaft with an integral blade. The shaft and the blade are joined at an angle. The blade has an upper surface. A plurality of LED lights are embedded within the blade and are exposed at the upper surface. The blade surrounding the LED lights is opaque. The retractor may further include a camera mounted on the blade. Also disclosed is a surgical retractor kit including a mounting ring, at least one of the aforementioned surgical retractors, and a coupler for releasably mounting the retractor to the ring.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: August 15, 2017
    Inventor: Shaw P. Wan
  • Publication number: 20160022289
    Abstract: A method for removing a stone from a patient comprising the steps of: providing a suction evacuation assembly which includes a sheath and one or more side arms; inserting and positioning a distal end of the sheath into a lumen or cavity of a patient's body containing a stones; connecting a tube to one of the side arms and to a collection bottle; connecting another tube to the collection bottle and a negative pressure system; visualizing the stone or foreign body using a scope inserted through the assembly; activating the negative pressure system in order to remove the stone from the cavity if the diameter of the stone is narrower than an inside diameter of the sheath and the side arm, or performing a lithotripsy on the stone to create fragments with a decreased diameter which allow the passage through the assembly; and collecting the stone in the collection bottle.
    Type: Application
    Filed: July 28, 2014
    Publication date: January 28, 2016
    Inventor: Shaw P. Wan
  • Patent number: D959253
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: August 2, 2022
    Assignee: Well Lead Co, LTD
    Inventor: Shaw P. Wan
  • Patent number: D975529
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 17, 2023
    Inventor: Shaw P. Wan