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GB2168488B - A relaxometric sensor - Google Patents
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GB2168488B - A relaxometric sensor - Google Patents

A relaxometric sensor

Info

Publication number
GB2168488B
GB2168488B GB08530100A GB8530100A GB2168488B GB 2168488 B GB2168488 B GB 2168488B GB 08530100 A GB08530100 A GB 08530100A GB 8530100 A GB8530100 A GB 8530100A GB 2168488 B GB2168488 B GB 2168488B
Authority
GB
United Kingdom
Prior art keywords
resiliently deformable
relaxometric
sensor
hand
strain gauges
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.)
Expired
Application number
GB08530100A
Other versions
GB8530100D0 (en
GB2168488A (en
Inventor
Wolfgang Friesdorf
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
Application filed by Individual filed Critical Individual
Publication of GB8530100D0 publication Critical patent/GB8530100D0/en
Publication of GB2168488A publication Critical patent/GB2168488A/en
Application granted granted Critical
Publication of GB2168488B publication Critical patent/GB2168488B/en
Expired 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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/1104—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb induced by stimuli or drugs
    • A61B5/1106—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb induced by stimuli or drugs to assess neuromuscular blockade, e.g. to estimate depth of anaesthesia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
    • A61B5/4519—Muscles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
    • A61B2562/164—Details of sensor housings or probes; Details of structural supports for sensors the sensor is mounted in or on a conformable substrate or carrier
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Neurology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rheumatology (AREA)
  • Anesthesiology (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Physiology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

A relaxometric sensor for the detection of muscular contraction induced by electrical stimulation in the area of the hand using strain gauges as electrical transducers, is constructed in sandwich form from a resiliently deformable support element 1, a covering element 3 which is also resiliently deformable, and a resiliently deformable insert 2, positioned between the support element 1 and the covering element 3, which carries strain gauges 10, 11 on its upper and under sides, respectively. Depth of anaesthesia is measured by attaching the base 12 to the back of the hand and the tongue 13 to the thumb to detect the amount of thumb movement due to nerve stimulation. <IMAGE>
GB08530100A 1984-12-07 1985-12-06 A relaxometric sensor Expired GB2168488B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843444628 DE3444628A1 (en) 1984-12-07 1984-12-07 RELAXOMETRY SENSOR

Publications (3)

Publication Number Publication Date
GB8530100D0 GB8530100D0 (en) 1986-01-15
GB2168488A GB2168488A (en) 1986-06-18
GB2168488B true GB2168488B (en) 1988-10-26

Family

ID=6252123

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08530100A Expired GB2168488B (en) 1984-12-07 1985-12-06 A relaxometric sensor

Country Status (5)

Country Link
JP (1) JPS61141345A (en)
DE (1) DE3444628A1 (en)
FR (1) FR2574279B1 (en)
GB (1) GB2168488B (en)
SE (1) SE463127B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8908041U1 (en) * 1989-06-29 1989-08-17 Nettelhorst, Frhr. von, Herwig, Dr.-Ing., 1000 Berlin Sensor for mechanical forces emanating from animal or human bodies
DE3939790C1 (en) * 1989-12-01 1991-02-28 Draegerwerk Ag, 2400 Luebeck, De
US5131401A (en) * 1990-09-10 1992-07-21 Axon Medical Inc. Method and apparatus for monitoring neuromuscular blockage
FI943252A7 (en) * 1994-07-07 1996-01-08 Instrumentarium Oy Measuring instrument for indicating the degree of relaxation
DE102008007337B3 (en) * 2008-02-02 2009-10-22 Jürgen Eckert Sensor head for diagnosing newborn or infant medicine, has handle provided with components of measured value collections, where part of one of collections is determined in retainer for providing contact to back of hands press of patient
DE102008024750A1 (en) 2008-05-20 2009-12-03 Otto Bock Healthcare Gmbh connecting element
US8761852B2 (en) * 2009-02-18 2014-06-24 Nonin Medical, Inc. Disposable oximeter device
GB201811050D0 (en) * 2018-07-05 2018-08-22 Ergo Figure Ltd A measurement device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565080A (en) * 1964-12-21 1971-02-23 Burroughs Wellcome Co Neuromuscular block monitoring apparatus
US4444205A (en) * 1980-05-31 1984-04-24 University Of Strathclyde Apparatus for assessing joint mobility
US4387723A (en) * 1980-12-09 1983-06-14 Wisconsin Alumni Research Foundation Method and apparatus for determining the level of neuromuscular block in a patient
US4509527A (en) * 1983-04-08 1985-04-09 Timex Medical Products Corporation Cardio-respiration transducer
DE3442549A1 (en) * 1984-11-22 1986-05-22 Detlef 4630 Bochum Dick Device for monitoring the diffraction angle of joints in orthopaedics

Also Published As

Publication number Publication date
SE463127B (en) 1990-10-15
FR2574279B1 (en) 1988-07-01
DE3444628C2 (en) 1989-12-14
SE8505784D0 (en) 1985-12-06
JPS61141345A (en) 1986-06-28
SE8505784L (en) 1986-06-08
DE3444628A1 (en) 1986-06-19
FR2574279A1 (en) 1986-06-13
GB8530100D0 (en) 1986-01-15
GB2168488A (en) 1986-06-18

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Legal Events

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

Effective date: 19921206