Patents by Inventor Wai Sam Christopher CHENG

Wai Sam Christopher CHENG 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).

  • Apparatus and method for biopsy and therapy
    Patent number: 11490880
    Abstract: A biopsy and therapy device comprising: a needling unit for holding and inserting a biopsy needle; an imaging module comprising an ultrasound probe and an actuator for moving the probe in a reciprocal action; a first arcuate slide; a second arcuate slide in sliding engagement with the first arcuate slide and a linkage to which the first arcuate slide is mounted; said linkage arranged to move the first and second arcuate slides within a vertical plane; said needling unit mounted to said arcuate slide wherein the first and second arcuate slides are mounted perpendicular to each other so as to rotate the needling unit about respective first and second principal axes.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: November 8, 2022
    Inventors: Chew Loong Yap, Yibao Shi, Teoh Hwa Ang, Poon Kiong Gilbert Mak, Hongjun Chen, Wai Sam Christopher Cheng, Shyi Peng Yuen, Sun Sien Henry Ho
  • APPARATUS AND METHOD FOR BIOPSY AND THERAPY
    Publication number: 20200077993
    Abstract: A biopsy and therapy device comprising: a needling unit for holding and inserting a biopsy needle; an imaging module comprising an ultrasound probe and an actuator for moving the probe in a reciprocal action; a first arcuate slide; a second arcuate slide in sliding engagement with the first arcuate slide and a linkage to which the first arcuate slide is mounted; said linkage arranged to move the first and second arcuate slides within a vertical plane; said needling unit mounted to said arcuate slide wherein the first and second arcuate slides are mounted perpendicular to each other so as to rotate the needling unit about respective first and second principal axes.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 12, 2020
    Inventors: Chew Loong YAP, Yibao SHI, Teoh Hwa ANG, Poon Kiong Gilbert MAK, Hongjun CHEN, Wai Sam Christopher CHENG, Shyi Peng John YUEN, Sun Sien Henry HO
  • AN APPARATUS AND METHOD FOR BIOPSY AND THERAPY
    Publication number: 20150366544
    Abstract: A biopsy and therapy device comprising: a needling unit for holding and inserting a biopsy needle; an imaging module comprising an ultrasound probe and an actuator for moving the probe in a reciprocal action; a first arcuate slide; a second arcuate slide in sliding engagement with the first arcuate slide and a linkage to which the first arcuate slide is mounted; said linkage arranged to move the first and second arcuate slides within a vertical plane; said needling unit mounted to said arcuate slide wherein the first and second arcuate slides are mounted perpendicular to each other so as to rotate the needling unit about respective first and second principal axes.
    Type: Application
    Filed: December 11, 2013
    Publication date: December 24, 2015
    Inventors: Chew Loong YAP, Yibao SHI, Teoh Hwa ANG, Poon Kiong Gilbert MAK, Hongjun CHEN, Wai Sam Christopher CHENG, Shyi Peng John YUEN, Sun Sien Henry HO