Patent
Techniques for closed loop control of motor velocity of a surgical stapling and cutting instrument
Raymond E. Parfett,Shane R. Adams,Frederick E. Shelton,Jason L. Harris +3 more
- 25 Oct 2018
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TL;DR: In this paper, a method for adjusting the velocity of a motorized surgical instrument is presented. But the method requires the displacement member to translate within the surgical instrument over a plurality of predefined zones.
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Abstract: A method of adjusting velocity in a motorized surgical instrument is provided The surgical instrument comprises a displacement member configured to translate within the surgical instrument over a plurality of predefined zones, a motor coupled to the displacement member to translate the displacement member, a control circuit coupled to the motor, a position sensor coupled to the control circuit, the position sensor configured to measure the position of the displacement member and a timer circuit coupled to the control circuit, the timer circuit configured to measure elapsed time The method includes setting a directed velocity of the displacement member; determining an actual velocity of the displacement member; determining an error between the directed velocity of the displacement member and the actual velocity of the displacement member; and controlling the actual velocity of the displacement member based on the magnitude of the error
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Citations
Patent
Ultrasonic scalpel system based on frequency and power tracking and control method thereof
Liu Fuchun,Wang Songbo +1 more
- 06 Dec 2019
TL;DR: In this article, an ultrasonic scalpel system based on frequency and power tracking and a control method thereof is presented, which consists of a main control MCU, a DDS-based signal generation control module, a power output isolation module, an interaction module and a medical switching power supply.
4
References
Patent
Surgical instrument having recording capabilities
Frederick E. Shelton,John N. Ouwerkerk,Eugene L. Timperman +2 more
- 30 Jan 2007
TL;DR: In this paper, the first sensor has an output that represents a first condition of either the trigger or the end effector, and the memory device is configured to record the output of that first sensor.
1.3K
Patent
Motor-driven surgical cutting instrument
David C. Yates,Frederick E. Shelton,Bret W. Smith,Svensgard Brett Eh,Ryan J. Laurent +4 more
- 22 Sep 2009
TL;DR: In this paper, a motor-driven surgical cutting and fastening instrument consisting of an end effector, an electric motor, and a motor control circuit is used for monitoring a parameter of the electric motor that is indicative of movement of a moveable member of the end-effector.
1.2K
Patent
Staple cartridge tissue thickness sensor system
Steven G. Hall,Brett E. Swensgard +1 more
- 27 Feb 2014
TL;DR: In this paper, a surgical end effector comprises a staple cartridge comprising a proximal end and a distal end, which is configured to be used to staple tissue within an optimal tissue thickness range.
958
Patent
Articulatable surgical instrument comprising an articulation lock
Richard L. Leimbach,IV Thomas W. Lytle,Wendy A. Kerr,Brett E. Swensgard +3 more
- 14 Mar 2014
TL;DR: In this article, a surgical instrument can include a handle, a shaft extending from the handle, and an end effector rotatably coupled to the shaft by an articulation joint.
876
Patent
Surgical stapling instruments with rotatable staple deployment arrangements
Frederick E. Shelton,Jerome R. Morgan +1 more
- 24 May 2012
TL;DR: In this article, an actuation system for selectively generating a plurality of control motions is described, where a surgical end effector is operably coupled to the actuation mechanism, and a surgical stapling instrument is used to fire staples within the stapler into forming contact with an anvil portion of the end-effector.
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