CA2118241A1 - Apparatus for locating a nerve - Google Patents

Apparatus for locating a nerve

Info

Publication number
CA2118241A1
CA2118241A1 CA002118241A CA2118241A CA2118241A1 CA 2118241 A1 CA2118241 A1 CA 2118241A1 CA 002118241 A CA002118241 A CA 002118241A CA 2118241 A CA2118241 A CA 2118241A CA 2118241 A1 CA2118241 A1 CA 2118241A1
Authority
CA
Canada
Prior art keywords
nerves
locating
locate
function
nerve stimulator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002118241A
Other languages
French (fr)
Other versions
CA2118241C (en
Inventor
Stephen A. Raymond
Gary R. Strichartz
James H. Philip
Daniel B. Raemer
Martyn A. Vickers, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brigham and Womens Hospital Inc
Original Assignee
Stephen A. Raymond
Gary R. Strichartz
James H. Philip
Daniel B. Raemer
Martyn A. Vickers, Jr.
Brigham And Women's Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stephen A. Raymond, Gary R. Strichartz, James H. Philip, Daniel B. Raemer, Martyn A. Vickers, Jr., Brigham And Women's Hospital filed Critical Stephen A. Raymond
Publication of CA2118241A1 publication Critical patent/CA2118241A1/en
Application granted granted Critical
Publication of CA2118241C publication Critical patent/CA2118241C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4887—Locating particular structures in or on the body
    • A61B5/4893—Nerves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4029—Detecting, measuring or recording for evaluating the nervous system for evaluating the peripheral nervous systems
    • A61B5/4041—Evaluating nerves condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A61N1/36021—External stimulators, e.g. with patch electrodes for treatment of pain
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7217—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise originating from a therapeutic or surgical apparatus, e.g. from a pacemaker

Abstract

The present invention is directed to a method and apparatus for locating and identifying the function of specific peripheral nerves. In one embodiment, the invention takes the form of a nerve stimulator which is used to locate nerves to assist in the administration of regional anesthesia. In another embodiment, the nerve stimulator is used to locate, identify the function of, and guard against the inadvertent cutting of specific nerves during surgical procedures. The apparatus of the invention includes a stimulus delivery means (22), a response-detecting means (14) and a means for automatically modulating the magnitude of the stimulus (16).
CA002118241A 1992-04-14 1993-04-14 Apparatus for locating a nerve Expired - Lifetime CA2118241C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/868,387 1992-04-14
US07/868,387 US5284153A (en) 1992-04-14 1992-04-14 Method for locating a nerve and for protecting nerves from injury during surgery
PCT/US1993/003476 WO1993020751A1 (en) 1992-04-14 1993-04-14 Method and apparatus for locating a nerve

Publications (2)

Publication Number Publication Date
CA2118241A1 true CA2118241A1 (en) 1993-10-28
CA2118241C CA2118241C (en) 2005-07-26

Family

ID=25351573

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002118241A Expired - Lifetime CA2118241C (en) 1992-04-14 1993-04-14 Apparatus for locating a nerve

Country Status (9)

Country Link
US (2) US5284153A (en)
EP (1) EP0637934B1 (en)
JP (1) JPH07505800A (en)
AT (1) ATE194470T1 (en)
AU (2) AU668392B2 (en)
CA (1) CA2118241C (en)
DE (1) DE69329024T2 (en)
ES (1) ES2150444T3 (en)
WO (1) WO1993020751A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10792495B2 (en) 2016-12-01 2020-10-06 Thimble Bioelectronics, Inc. Neuromodulation device and method for use

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US5284153A (en) 1994-02-08
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