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Bipolar cauterizing instrument

a cauterizing instrument and bipolar technology, applied in the field of surgical tools and methods, can solve the problems of typical gap between electrodes, and achieve the effects of preventing shortening, and reducing the risk of shortening

Inactive Publication Date: 2005-10-27
INTUITIVE SURGICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This solution allows for effective cauterization and cutting of tissue within the same instrument, reducing surgical time and improving safety by integrating cutting functionality into the cauterizing tool, minimizing the need for instrument changes and enhancing the reliability of robotic surgical systems.

Problems solved by technology

Even if no tissue is between the end effectors, there will typically be a gap between the electrodes.

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0052] Robotic surgery will generally involve the use of multiple robotic arms. One or more of the robotic arms will often support a surgical tool which may be articulated (such as cauterizing grips, cauterizers, scissors, jaws, graspers, needle holders, microdissectors, staple appliers, tackers, suction / irrigation tools, clip appliers, or the like) or non-articulated (such as cutting blades, probes, irrigators, catheters, suction orifices, or the like). One or more of the robotic arms will often be used to support a surgical image capture device such as an endoscope (which may be any of the variety of structures such as a laparoscope, an arthroscope, a hysteroscope, or the like), or optionally, some other imaging modality (such as ultrasound, fluoroscopy, magnetic resonance imaging, or the like). Typically, the robotic arms will support at least two surgical tools corresponding to the two hands of a surgeon and one optical image capture device.

[0053] The robotic systems of the pre...

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PUM

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Abstract

A bipolar surgical instrument that includes opposing grips that can engage the tissue. A current is delivered from an electrosurgical power source to electrodes disposed on the grips to cauterize the tissue. The electrode configurations provide efficient cauterization of the tissue. In some embodiments, the positive and negative electrodes will be offset from each other to prevent shorting and to provide a thin line of coagulation heating to the gripped tissue. In some embodiments the electrodes are removably coupled to the grips through nonconductive sleeves. In some embodiments, the first electrode is disposed in a groove and the second electrode is disposed on a boss.

Description

CROSS REFERENCES TO RELATED APPLICATIONS [0001] The present application claims benefit, under 37 C.F.R. § 1.78, to U.S. Provisional Patent Application Ser. No. 60 / 258,750, filed Dec. 29, 2000, entitled “Bipolar Cauterizing Instrument,” the complete disclosure of which is incorporated herein by reference. [0002] The present application is also related to U.S. patent application Ser. No. 09 / 418,726, filed Oct. 15, 1999 and U.S. patent application Ser. No. 09 / 415,568, filed Oct. 8, 1999, the complete disclosure of which are incorporated herein by reference for all purposes.BACKGROUND OF THE INVENTION [0003] The present invention relates generally to surgical tools and methods. More particularly, the present invention relates to a bipolar cauterizing and cutting tool for use with robotic surgical systems. [0004] A significant number of different surgical instruments are used during each surgical procedure. In minimally invasive or robotic surgical procedures, the number of entry ports i...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B18/14A61B19/00
CPCA61B18/1445A61B19/2203A61B2017/003A61B2018/00208A61B2017/00477A61B2018/1861A61B2019/2234A61B2019/2242A61B2019/265A61B2018/1495A61B34/30A61B34/71A61B2034/305A61B2090/506
Inventor MORLEY, TRACEY A.WALLACE, DANIEL T.MAURER, CHRISTOPHER W.
Owner INTUITIVE SURGICAL
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