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1. 发明公开

EP3552565A1 ELECTRICAL LOCKOUT FOR ULTRASONIC SURGICAL INSTRUMENT 有权
公开(公告)号：EP3552565A1
公开(公告)日：2019-10-16
申请号：EP19168735.9
申请日：2019-04-11
申请人： Ethicon LLC
发明人： ASHER, Ryan M. , BLACK, Brian D. , BRADY, John E. , CUTI, Alexander R. , HARRIS, Demetrius N. , DRAGINOFF JR., Carl J. , BURKART, Ellen , GIANOTTI, Geni M. , KOLPITCKE, Andrew , KRUMM, Amy M. , KUHN, Matthew T. , LEUCK, Stephen M. , MCLAIN, Cameron D. , NICOLAESCU, Ion V. , OTREMBIAK, Candice , SAWHNEY, Amrita S. , VOEGELE, Aaron C. , WATERS, Grace E. , ZHANG, Fajian
IPC分类号： A61B17/32 , A61B90/00 , A61B17/00 , A61B17/28 , A61B18/14 , A61B18/00
摘要： An ultrasonic surgical instrument and method of assembly with a predetermined alignment includes first and second modular assemblies and an electrical lockout. The first modular assembly includes at least a portion of an end effector configured to manipulate a tissue. The second modular assembly includes a transducer power circuit and an activation switch electrically connected to the transducer power circuit. The electrical lockout is electrically connected to the transducer power circuit and configured to inhibit the activation switch from powering the ultrasonic transducer with the first and second modular assemblies misaligned from the predetermined alignment such that the first and second modular assemblies are in a locked-out state. The electrical lockout is further configured to allow the activation switch to power the ultrasonic transducer with the first and second modular assemblies in the predetermined alignment such that the first and second modular assemblies are in an operational state.

2. 发明公开

EP3544529A1 ULTRASONIC HORN 有权
公开(公告)号：EP3544529A1
公开(公告)日：2019-10-02
申请号：EP17817434.8
申请日：2017-11-21
申请人： Ethicon LLC
发明人： ZHANG, Fajian
IPC分类号： A61B17/32

4. 发明公开

EP3838191A1 ULTRASONIC TRANSDUCER 有权
公开(公告)号：EP3838191A1
公开(公告)日：2021-06-23
申请号：EP21152944.1
申请日：2017-11-21
申请人： Ethicon LLC
发明人： ZHANG, Fajian
IPC分类号： A61B17/32
摘要： In an aspect, an ultrasonic horn includes a proximal flange (210), a first cylindrical portion (220) having a first diameter and positioned distal to the proximal flange, a second cylindrical portion (230) including a second diameter and a distal end, in which the second cylindrical portion is at a position located distal to the first cylindrical portion and in which the second diameter is smaller than the first diameter, a tapered portion (242) disposed between the first cylindrical portion and the second cylindrical portion, and a cylindrical mass (260) disposed about the horn at a position located between the flange and the distal end of the second cylindrical portion. In another aspect, an ultrasonic system comprising an end-bell, an ultrasonic horn as disclosed above, a transducer portion disposed between the end-bell and the ultrasonic horn, and an ultrasonic power source to supply an electrical signal to actuate the transducer portion.

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