Patents by Inventor Shutian Zhang

Shutian Zhang 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).

  • Endoscope end cap
    Patent number: 11864721
    Abstract: An endoscope end cap, including a sleeve member, protrusion elements, and a movable sleeve. The sleeve member is connected to the front end of an endoscope, the sleeve member, the protrusion elements, and the movable sleeve are connected in sequence, and the movable sleeve can move freely on the outer surface of the endoscope. When the endoscope is inserted for examination, the end cap is easy to enter and does not scratch the digestive tract since the end cap has a cylinder-like structure which is smooth and has no angularity; when the endoscope is being withdrawn, the movable sleeve moves distally and abuts against the sleeve member, so as to support the protrusion elements to enable the protrusion elements to dilate the inner wall of the intestine, improving the quality of single endoscope examination, and reducing discomfort of a patient, operation risk, and operation time.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: January 9, 2024
    Assignees: Micro-Tech (Nanjing) Co., Ltd., Beijing Friendship Hospital, Capital Medical University
    Inventors: Shutian Zhang, Ming Ji, Huihong Zhai, Jianjun Shuang, Jianyu Wei, Derong Leng, Changqing Li, Zhenghua Shen, Chunjun Liu
  • ENDOSCOPE END CAP
    Publication number: 20210085171
    Abstract: An endoscope end cap, including a sleeve member, protrusion elements, and a movable sleeve. The sleeve member is connected to the front end of an endoscope, the sleeve member, the protrusion elements, and the movable sleeve are connected in sequence, and the movable sleeve can move freely on the outer surface of the endoscope. When the endoscope is inserted for examination, the end cap is easy to enter and does not scratch the digestive tract since the end cap has a cylinder-like structure which is smooth and has no angularity; when the endoscope is being withdrawn, the movable sleeve moves distally and abuts against the sleeve member, so as to support the protrusion elements to enable the protrusion elements to dilate the inner wall of the intestine, improving the quality of single endoscope examination, and reducing discomfort of a patient, operation risk, and operation time.
    Type: Application
    Filed: April 12, 2018
    Publication date: March 25, 2021
    Inventors: Shutian Zhang, Ming JI, Huihong Zhai, Jianjun Shuang, Jianyu Wei, Derong Leng, Changqing Li, Zhenghua Shen, Chunjun Liu