Kezhan Sun

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tissue closure device, tissue closure component, and medical instru...
- Patent number 10,835,244
- Issue date Nov 17, 2020
- TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
- Wangdong Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Circular stapler and staple head assembly thereof
- Patent number 10,433,848
- Issue date Oct 8, 2019
- Suzhou Touchstone International Medical Science Co., Ltd
- Wangdong Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
TISSUE CLOSURE DEVICE, TISSUE CLOSURE COMPONENT, AND MEDICAL INSTRU...
- Publication number 20200155148
- Publication date May 21, 2020
- TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
- Wangdong Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CIRCULAR STAPLER AND STAPLE HEAD ASSEMBLY THEREOF
- Publication number 20150335332
- Publication date Nov 26, 2015
- SUZHOU TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
- Wangdong Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SURGICAL PURSE-STRING SUTURING INSTRUMENT
- Publication number 20100249807
- Publication date Sep 30, 2010
- SUZHOU TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
- Wangdong Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE