Patent
Methods and apparatus for surgical cutting
TLDR
An electrosurgical probe comprises a shaft having an electrode array (12) at its distal end and a connector at its proximal end as mentioned in this paper, which is used to cut or ablate target tissue while heat dissipation through low impedance paths.Abstract:
An electrosurgical probe comprises a shaft having an electrode array (12) at its distal end and a connector at its proximal end. The array (12) includes a plurality of isolated electrode terminals, and an electrosurgical power supply (28) is provided with a multiplicity of independently limited or controlled current sources and a connector. The electrosurgical probe and the power supply may be connected through their respective connectors so that the independent current sources are connected to individual electrode terminals. By applying very high frequency electrical energy to the electrode array, target tissue may be cut or ablated while heat dissipation through low impedance paths, such as blood and normal saline, will be minimized.read more
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Patent
Surgical instrument with progressive rotary drive systems
TL;DR: In this article, the rotary input shaft and the surgical end effector are threaded with a closure member, such that rotation of the input shaft in a first direction causes the closure member to move the second jaw to the closed position.
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Patent
Systems and methods for electrosurgical tissue treatment
Jean Woloszko,Michael A. Baker,Robert H. Dahla,Hardev Kahlon,Adelina Villaruel,Cindy Truc Nguyen,Irma Gutierrez +6 more
TL;DR: In this paper, a high frequency voltage is applied between an electrosurgical probe or catheter and one or more return electrodes to non-thermally generate a plasma adjacent to the active electrode(s) and to volumetrically remove or ablate at least a portion of the target tissue.
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Staple cartridge comprising a staple driver arrangement
Frederick E. Shelton,Darrel M. Powell,Michael A. Murray,Christopher J. Hess,B. Weisenburgh Ii William,Jerome R. Morgan,Steven G. Hall +6 more
TL;DR: In this paper, a staple cartridge for use with a stapling device that has an actuator that was selectively actuatable in an axial direction and an anvil portion that is selectively movable between open and closed positions is disclosed.
References
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Patent
Medical probe device and method
TL;DR: A medical probe device comprises a catheter having a stylet guide housing with one or more stylet ports in a side wall of the probe, which can be used to direct a flexible stylet outward through the stylet port and through intervening tissue at a preselected, adjustable angle to a target tissue as discussed by the authors.
Patent
Method and apparatus for providing enhanced tissue fragmentation and/or hemostatis
TL;DR: In this paper, a vibratable tip for ultrasonically disintegrating tissue in a surgical procedure and for aspirating the disintegrated tissue and fluids away from the surgical site through an opening in the tip was presented.
Patent
Electrosurgical bipolar treating apparatus
TL;DR: An electrosurgical bipolar treating apparatus comprising a handpiece to which is connected a first active electrode and a second return electrode having exposed distal ends which define a bipolar tip for electrosurgically treating tissue at an operational site on a patient, which tip is structured so that both distal end simultaneously contact said tissue and wherein the active electrode has a higher tissue to electrode impedance than the return electrode as mentioned in this paper.
Patent
Ablation catheter with selectively deployable electrodes
TL;DR: In this article, a catheter with a tip member which during the initial placement of the catheter within the vascular system so that the distal tip member is disposed in a working relation with the lesion to be removed is described.
Patent
Method and apparatus for controlled contraction of soft tissue
TL;DR: In this paper, a handpiece and an electrode with an electrode proximal end (16) associated with the handpiece are used to control contraction of tissue that includes collagen fibers.