System and Methods for Determining Nerve Direction to a Surgical Instrument

Inactive Publication Date: 2012-09-20
NUVASIVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0008]The present application may be directed to at least reduce the effects of the above-described problems with the prior art. The present application includes a system and related methods for determining the direction of a surgical instrument to a nerve during surgical procedures. According to one

Problems solved by technology

Oftentimes, based on the anatomical location of the surgical target site (as well as the approach thereto), the instruments required to form or create or maintain the working channel may have to pass near or close to nerve structures which, if contacted or disturbed, may be problematic to the patient.
This may be difficult depending on the competing tasks of the user.
In addition, when general anesthesia is used during a procedure, muscular response may be suppressed, limiting the ability of a user to detect the response.
While generally effective (although cru

Method used

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  • System and Methods for Determining Nerve Direction to a Surgical Instrument
  • System and Methods for Determining Nerve Direction to a Surgical Instrument
  • System and Methods for Determining Nerve Direction to a Surgical Instrument

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Embodiment Construction

[0058]Illustrative embodiments of the application are described below. In the interest of clarity, not all features of an actual implementation are described in this specification. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure. The systems disclosed herein boast a variety of inventive features and components that warrant patent protection, both individually and in combination.

[0059]FIG. 1 illustrates general functions according to one embodiment of the present application, namely: (a) providing multi...

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Abstract

System (20) and related methods for performing surgical procedures and assessments, including the use of neurophysiology-based monitoring to determine nerve proximity and nerve direction to surgical instruments (30) employed in accessing a surgical target site.

Description

CROSS-REFERENCES TO RELATED APPLICATIONS[0001]This application is a continuation of U.S. patent application Ser. No. 11 / 182,545, filed on Jul. 15, 2005 (now issued as U.S. Pat. No. 8,147,421), which is a continuation of PCT Application Serial No. PCT / US03 / 02056, filed Jan. 15, 2003 (published as PCT Pub. No. WO / 04 / 06434), which claims priority to U.S. Provisional Patent application Ser. No. 60 / 382,318, filed on May 21, 2002, the entire contents of which are hereby expressly incorporated by reference as if set forth fully herein.BACKGROUND[0002]I. Field[0003]The present application relates to a system and methods generally aimed at surgery. More particularly, the present application relates to a system and related methods for determining the direction of a surgical instrument to a nerve during surgical access procedures.[0004]II. Description of Related Art[0005]A variety of surgeries involve establishing a working channel to gain access to a surgical target site. Oftentimes, based on...

Claims

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Application Information

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IPC IPC(8): A61B5/05A61B5/0488A61B5/296
CPCA61B5/0488A61B5/05A61N1/08A61B19/40A61B5/4893A61B90/04A61B5/389A61B5/296
Inventor FARQUHAR, ALLENGHARIB, JAMESKAULA, NORBERTBLEWETT, JEFFREYMEDEIROS, GORETTI
Owner NUVASIVE
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