GB2257791A - Sensory delineator - Google Patents

Sensory delineator

Info

Publication number
GB2257791A
GB2257791A GB9212695A GB9212695A GB2257791A GB 2257791 A GB2257791 A GB 2257791A GB 9212695 A GB9212695 A GB 9212695A GB 9212695 A GB9212695 A GB 9212695A GB 2257791 A GB2257791 A GB 2257791A
Authority
GB
United Kingdom
Prior art keywords
resistance
probe
test
applicable
area
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
GB9212695A
Other versions
GB9212695D0 (en
GB2257791B (en
Inventor
Martin John Howell
Geoffrey John Payne
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB898928905A external-priority patent/GB8928905D0/en
Application filed by Individual filed Critical Individual
Priority to GB9212695A priority Critical patent/GB2257791B/en
Publication of GB9212695D0 publication Critical patent/GB9212695D0/en
Publication of GB2257791A publication Critical patent/GB2257791A/en
Application granted granted Critical
Publication of GB2257791B publication Critical patent/GB2257791B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0531—Measuring skin impedance

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Dermatology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

A sensory delineator comprises a common probe (5) applicable to a healthy area of the patient's skin, a test probe (6) applicable to an area of skin suspected to be subject to nerve damage, a reference probe (7) applicable to an area of similar skin suspected to be healthy, a resistance comparison circuit (20) for comparing the resistance present between the common probe (5) and the reference probe (7) (the reference resistance) with the resistance present between the common probe (5) and the test probe (6) (the test resistance), and output means (10, 11, 12) for indicating whether the test resistance (5, 6) exceeds the reference resistance (5, 7).
GB9212695A 1989-12-21 1992-06-15 Sensory delineator Expired - Fee Related GB2257791B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9212695A GB2257791B (en) 1989-12-21 1992-06-15 Sensory delineator

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB898928905A GB8928905D0 (en) 1989-12-21 1989-12-21 Nerve damage sensor
PCT/GB1990/001991 WO1991009566A1 (en) 1989-12-21 1990-12-20 Sensory delineator
GB9212695A GB2257791B (en) 1989-12-21 1992-06-15 Sensory delineator

Publications (3)

Publication Number Publication Date
GB9212695D0 GB9212695D0 (en) 1992-08-12
GB2257791A true GB2257791A (en) 1993-01-20
GB2257791B GB2257791B (en) 1993-06-02

Family

ID=26296409

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9212695A Expired - Fee Related GB2257791B (en) 1989-12-21 1992-06-15 Sensory delineator

Country Status (1)

Country Link
GB (1) GB2257791B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2318642A (en) * 1996-10-26 1998-04-29 Stephen Magee Self-adjustiing electrode for sensing galvanic skin resistance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759907Q (en) * 1966-09-20 1971-05-17 Nat Res Dev ELECTRIC DECEPTION OF MASTITE IN THE COW
DE2508742A1 (en) * 1975-02-28 1976-09-09 Klaus Tillmann Electro acupuncture diagnosing equipment - using row of indicating lamps with sequential resistance values for rapid diagnosis
DE3048358A1 (en) * 1980-12-20 1982-07-01 Ehvak Elektronik GmbH, 6050 Offenbach Multi-electrode acupuncture point detector - has electronic circuit which compares resistance readings between probe electrodes and hand electrode
EP0231379A1 (en) * 1985-06-27 1987-08-12 MOTOYAMA, Hiroshi Apparatus for diagnosing functions of internal organs and automatic nerves

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759907Q (en) * 1966-09-20 1971-05-17 Nat Res Dev ELECTRIC DECEPTION OF MASTITE IN THE COW
DE2508742A1 (en) * 1975-02-28 1976-09-09 Klaus Tillmann Electro acupuncture diagnosing equipment - using row of indicating lamps with sequential resistance values for rapid diagnosis
DE3048358A1 (en) * 1980-12-20 1982-07-01 Ehvak Elektronik GmbH, 6050 Offenbach Multi-electrode acupuncture point detector - has electronic circuit which compares resistance readings between probe electrodes and hand electrode
EP0231379A1 (en) * 1985-06-27 1987-08-12 MOTOYAMA, Hiroshi Apparatus for diagnosing functions of internal organs and automatic nerves

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Medical & Biological Eng. & Comp.vol21.no.6.Nov.1983,Steven-age GB pages 750-755 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2318642A (en) * 1996-10-26 1998-04-29 Stephen Magee Self-adjustiing electrode for sensing galvanic skin resistance

Also Published As

Publication number Publication date
GB9212695D0 (en) 1992-08-12
GB2257791B (en) 1993-06-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951220