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公开(公告)号:US20230112770A1
公开(公告)日:2023-04-13
申请号:US17602008
申请日:2021-10-07
Applicant: Covidien LP
Inventor: Tong Shen , Yongming Zhao , Yuan Kang , Peng Zha , Xinmeng Liu , Xiaoxin Wang , Lijun Zhu
Abstract: An electrosurgical blade (900) configured to couple to an RF electrosurgical instrument (100). The electrosurgical blade (900) includes a proximal portion (900a) configured to couple to a blade receptacle (104) of an RF electrosurgical instrument (100), a coagulation section (920) extending distally from the proximal portion (900a), a blade edge (940) defined around a periphery of the electrosurgical blade (900), and a ramped surface (930) extending between the coagulation section (920) and the blade edge (940). The blade edge (940) includes a right-angled tip (944) and is defined by a first side (941) extending longitudinally, a second side (942) extending longitudinally and having a curved portion (942c), and a distal side (943) extending laterally.
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公开(公告)号:US11234755B2
公开(公告)日:2022-02-01
申请号:US16493612
申请日:2017-03-13
Applicant: COVIDIEN LP
Inventor: Kai Liu , Hongying Shi , Xinmeng Liu , Jiewu Cao , Yuanxun Li , Shaohua Wang
IPC: A61B18/14 , A61B17/28 , A61B18/00 , A61B17/29 , A61B17/3201
Abstract: A surgical instrument (100) includes first and second shaft members (110, 120) defining proximal and distal end portions (112a, 122a, 112b, 122b) and including handles (114, 124) at the proximal end portions (112a, 122a) thereof. A pivot member (130) couples the distal end portions (112b, 122b) with a gap (G) defined therebetween proximally of the pivot member (130). First and second jaw members (210, 220) extend distally from the shaft members (110,120), distally of the pivot member (130). A lockout bar (160, 560, 660, 760) is movable between an unlocked position, withdrawn from the gap (G), and a locked position, disposed within the gap (G). The handles (114, 124) are pivotable between spaced-apart and approximated positions to pivot the jaw members (210, 220) between open and closed positions. The handles (114, 124) are yawable between the approximated position and a yawed position to yaw the jaw members (210, 220) between the closed position and a cutting position. The gap (G) provides clearance to permit yawing such that, when the lockout bar (160, 560, 660, 760) is disposed in the locked position, yawing of the handles (114, 124) is inhibited.
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公开(公告)号:US20220117652A1
公开(公告)日:2022-04-21
申请号:US17567241
申请日:2022-01-03
Applicant: Covidien LP
Inventor: Kai Liu , Hongying Shi , Xinmeng Liu , Jiewu Cao , Yuanxun Li , Shaohua Wang
Abstract: A surgical instrument includes first and second shaft members defining proximal and distal end portions and including handles at the proximal end portions thereof. A pivot member couples the distal end portions with a gap defined therebetween proximally of the pivot member. First and second jaw members extend distally from the shaft members, distally of the pivot member. A lockout bar is movable between an unlocked position, withdrawn from the gap, and a locked position, disposed within the gap. The handles are pivotable between spaced-apart and approximated positions to pivot the jaw members between open and closed positions. The handles are yawable between the approximated position and a yawed position to yaw the jaw members between the closed position and a cutting position. The gap provides clearance to permit yawing such that, when the lockout bar is disposed in the locked position, yawing of the handles is inhibited.
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公开(公告)号:US11766289B2
公开(公告)日:2023-09-26
申请号:US17567241
申请日:2022-01-03
Applicant: Covidien LP
Inventor: Kai Liu , Hongying Shi , Xinmeng Liu , Jiewu Cao , Yuanxun Li , Shaohua Wang
IPC: A61B17/28 , A61B17/29 , A61B17/3201 , A61B18/14 , A61B18/00
CPC classification number: A61B18/1442 , A61B17/2833 , A61B17/2812 , A61B17/3201 , A61B2017/2946 , A61B2018/00077 , A61B2018/00601 , A61B2018/00607 , A61B2018/146 , A61B2018/1452
Abstract: A surgical instrument includes first and second shaft members defining proximal and distal end portions and including handles at the proximal end portions thereof. A pivot member couples the distal end portions with a gap defined therebetween proximally of the pivot member. First and second jaw members extend distally from the shaft members, distally of the pivot member. A lockout bar is movable between an unlocked position, withdrawn from the gap, and a locked position, disposed within the gap. The handles are pivotable between spaced-apart and approximated positions to pivot the jaw members between open and closed positions. The handles are yawable between the approximated position and a yawed position to yaw the jaw members between the closed position and a cutting position. The gap provides clearance to permit yawing such that, when the lockout bar is disposed in the locked position, yawing of the handles is inhibited.
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公开(公告)号:US20230301704A1
公开(公告)日:2023-09-28
申请号:US18018948
申请日:2020-07-31
Applicant: Covidien LP
Inventor: Tong Shen , Yongming Zhao , Yuan Kang , Peng Zha , Xinmeng Liu , Lijun Zhu , Xiaoxin Wang
IPC: A61B18/14
CPC classification number: A61B18/14 , A61B2018/00107 , A61B2018/1422
Abstract: An electrosurgical hook electrode includes an intermediate portion (36), a hook portion (38) connected to the intermediate portion (36) at a bend angle, and a coating (40) disposed over the intermediate portion (36) and the hook portion (38), the coating (40) having a varying thickness.
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公开(公告)号:US20230225785A1
公开(公告)日:2023-07-20
申请号:US18010232
申请日:2020-07-16
Applicant: Covidien LP
Inventor: Xinmeng Liu , Tong Shen , Lijun Zhu , Yongming Zhao , Fang Geng , Peng Zha
IPC: A61B18/14
CPC classification number: A61B18/1402 , A61B2018/00136
Abstract: An electrosurgical electrode (30) includes a conductive rod (32) having a working portion (38) at a distal end portion (35). The electrode (30) also includes a composite coating (40) disposed on the working portion (38). The composite coating (40) includes a first coating (42) disposed on an outer surface of the working portion (38) and a second coating (44) disposed over the first coating (42).
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