Patent
Electrosurgery with cooled electrodes
Reads0
Chats0
TLDR
In this paper, a cooled electrosurgical system includes an electrosurgery device having at least one electrode for applying electrical energy to tissue, where the internal cavity is closed at both ends of the device such that the cooling medium is contained within the electrode at the surgical site.Abstract:
A cooled electrosurgical system includes an electrosurgical device having at least one electrode for applying electrical energy to tissue. In one embodiment, the electrode includes an internal cavity in which a cooling medium such as water is contained. The internal cavity is closed at both ends of the device such that the cooling medium is contained within the electrode at the surgical site such that the cooling medium does not contact the tissue being treated. The electrosurgical device has an electrode and a heat pipe to conduct heat from the electrodes where substantially all heat conducted from the electrode through the heat pipe is dissipated along the length of the heat pipe. The heat pipe can have a thermal time constant less than 60 seconds and preferably less than 30 seconds.read more
Citations
More filters
Patent
Vessel sealer and divider
TL;DR: An endoscopic bipolar forceps as mentioned in this paper includes an elongated shaft having opposing jaw members at a distal end thereof, which are movable relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to each another to a second position wherein jaw members cooperate to grasp tissue therebetween.
Patent
Apparatus and method for sealing and cutting tissue
TL;DR: In this paper, a bipolar tissue sealer/cutter for electrosurgery on tissue is described, where axial movement of a tube relative to a chassis is allowed.
Patent
Electrosurgical generator with adaptive power control
TL;DR: In this article, an electrosurgical generator has an output power control system that causes the impedance of tissue to rise and fall in a cyclic pattern until the tissue is desiccated.
Patent
Electrosurgical instrument and method of use
TL;DR: In this article, an electrosurgical medical device and method for creating thermal welds in engaged tissue is presented. But the method is limited to a specific treatment range, such as 60°C to 80°C, at which tissue welding can be accomplished.
Patent
Fluid-assisted medical devices, systems and methods
TL;DR: In this article, the authors describe an exemplary surgical device for treating tissue and methods of treating tissue, which includes a handle, a fluid passage connectable to a fluid source, a tip portion and a distal end.
References
More filters
Patent
An electrosurgical instrument
TL;DR: In this article, an electrosurgical instrument for the treatment of tissue in the presence of an electrically-conductive fluid was disclosed, consisting of an instrument shaft (32), and a tissue treatment electrode (31) at one end of the shaft.
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
Fluid cooled ablation catheter
TL;DR: In this paper, a thin, elongate and flexible ablation catheter, suitable for delivery to an internal organ, comprises a fluid delivery lumen (26) centrally located within the catheter.
Patent
Fluid cooled electrosurgical cauterization system
TL;DR: In this article, an electrosurgical probe with the ability to both cut and cauterize tissue is described, which includes at least one cauterization electrode mounted upon a distal portion of the probe and adapted to deliver electrosurgery energy to tissue.
Patent
Surgical instrument for endoscopic surgery
TL;DR: In this paper, a surgical instrument consisting of two coaxial tubes (8, 10) mounted for relative telescoping motion, and a unitary jaw piece (2) of springy material affixed to the remote end of one of said tubes and having two jaws (4, 6), normally biased apart to a selected open position.