Zhinan Guo

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Surgical stapling device with shipping cap
- Patent number 11,857,185
- Issue date Jan 2, 2024
- Covidien LP
- Sridharan Varadhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Surgical stapling device with curved tool assembly
- Patent number 11,826,044
- Issue date Nov 28, 2023
- Covidien LP
- Jiangfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Adjustable rotation assembly for surgical instruments
- Patent number 11,123,073
- Issue date Sep 21, 2021
- Covidien LP
- Jiangfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SURGICAL STAPLING DEVICE WITH CURVED TOOL ASSEMBLY
- Publication number 20240081821
- Publication date Mar 14, 2024
- Covidien LP
- Jiangfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ANVIL ASSEMBLY WITH CUTTING PLATE
- Publication number 20230157688
- Publication date May 25, 2023
- Covidien LP
- Zhinan Guo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SURGICAL STAPLING DEVICE WITH SHIPPING CAP
- Publication number 20230049244
- Publication date Feb 16, 2023
- Covidien LP
- Sridharan Varadhan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SURGICAL STAPLING DEVICE WITH CURVED TOOL ASSEMBLY
- Publication number 20220249090
- Publication date Aug 11, 2022
- Covidien LP
- Jiangfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ADJUSTABLE ROTATION ASSEMBLY FOR SURGICAL INSTRUMENTS
- Publication number 20200038027
- Publication date Feb 6, 2020
- Covidien LP
- Jiangfeng Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE