WO1982004182A1 - Sonde de controle - Google Patents

Sonde de controle Download PDF

Info

Publication number
WO1982004182A1
WO1982004182A1 PCT/SE1982/000187 SE8200187W WO8204182A1 WO 1982004182 A1 WO1982004182 A1 WO 1982004182A1 SE 8200187 W SE8200187 W SE 8200187W WO 8204182 A1 WO8204182 A1 WO 8204182A1
Authority
WO
WIPO (PCT)
Prior art keywords
probe
casing
monitoring
indicating
accelerometer
Prior art date
Application number
PCT/SE1982/000187
Other languages
English (en)
Inventor
Inst Karolinska
Original Assignee
Hallen Boerje
Ribbe Tommy
Linnarsson Dag
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 Hallen Boerje, Ribbe Tommy, Linnarsson Dag filed Critical Hallen Boerje
Publication of WO1982004182A1 publication Critical patent/WO1982004182A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes
    • A61B7/023—Stethoscopes for introduction into the body, e.g. into the oesophagus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A61B5/283—Invasive
    • A61B5/285—Endotracheal, oesophageal or gastric probes

Definitions

  • the present invention relates to a monitoring probe hav ⁇ ing means for monitoring and indicating a plurality of given body functions and being arranged to be inserted
  • . 30 exposes the patient to risk, since the sensitive mocous membrane of the oesophagus may be damaged by mechanical contact with the irregular surface of such a catheter,
  • a catheter similar to that described above but having the additional function of indicating heart sound is also known to the art.
  • this further catheter is provided at the end thereof with a balloon type device for sensing heart sound.
  • Such a catheter exhibits the same kind of drawbacks as the catheter first described.
  • the object of the present invention is to provide a monitoring probe which eliminates all the disadvantages associated with known construction and which can be inserted into the oesophagus without danger to the mucous membrane or said oesophagus as a result of mechanical action, and with which dangers created through electrical and thermal influences are also avoided.
  • the probe according to the invention is of tubular con ⁇ figuration having an outer casing 10 which may be of
  • OMPI any suitable material, preferably a PVC-plastics mate ⁇ rial.
  • the probe has a conical, softly rounded end part 11.
  • the probe of the illustrated embodiment is arranged to be inserted into the oesophagus and there to indicate three bodily functions, the means required herefor being hereinafter individually described.
  • an accelerometer 12 In order to enable the heart sound (alternatively also lung sound) of a patient to be sensed, there is arranged within a tubu ⁇ lar casing 13, i.e. the probe space, in the proximity of the end 11 of the probe, suitably about 10cm from said end, an accelerometer 12 of a kind known per se.
  • the casing 13 may be made, for example, of a metallic material having a thickness a.
  • the accelerometer 12 rests in a movement-damping fluid, for example sili- con oil, and the casing 13 is sealed.
  • the casing 13 and the accelerometer form together a unit which is connected to the catheter casing 10 in a manner such as to be inseparable therefrom.
  • the metal casing 13 has angular opposing sur- faces which are provided with a suitable granular plastics material and which are fixedly attached to first and second casing parts 14 and 15 respectively of the probe by means of an appropriate adhesive. Consequently, the metallic casing 13 forms a probe casing 10 forming together a bridge part whose outer surfaces are in alignment with the casing part 14, 15.
  • the accelerometer 12 is connected to known insulated conductors 16, these conductors being further shield ⁇ ed through an outer insulating layer 17.
  • the illustrated probe according to the invention also exhibits two mutually spaced electrodes 18, 19 arranged within the inner space of the probe.
  • the electrodes are preferably made of silver and are arranged to create a readable electrocariogram (ECG) in a known manner.
  • ECG electrocariogram
  • the electrodes 18, 19 of the illustrated embodiment have the form of a T, the angular surfaces being pro ⁇ vided in the described manner with a granular plastics material and connected to the casing parts 15 and 20 of the catheter by means of a suitable adhesive sub- stance.
  • the electrode 19 is connected to the casing parts 20 and 21 of the probe in a similar manner, and the electrodes 18, 19 form bridge parts which connect the said casing parts of the probe.
  • the outwardly fac ⁇ ing, surfaces of the electrodes 18, 19 are in line with the plastic casing parts of the probe.
  • the monitoring probe according to the invention comprises a plurality of mutually, firmly connected parts, which together form an inseparable unit exhibiting smooth outer cylindrical surfaces.
  • the electrodes 18, 19 are connected to conventional con ⁇ ductors 22, which are passed through a further shield ⁇ ing layer 23.
  • a thermistor 24 of known kind is arranged within the probe space, the function of said thermistor being to indicate the body temperature of the patient.
  • the novel monitoring probe is not only unharmful to the patient but also extremely reli ⁇ able in operation.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Physiology (AREA)
  • Acoustics & Sound (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

Une sonde de controle ayant une section tubulaire est concue pour etre introduite dans l'oesophage d'un patient et y etre orientee temporairement pendant une operation chirurgicale, par exemple. La sonde est pourvue de moyens de controle et d'indication d'une ou de plusieurs fonctions ou conditions du corps du patient. Les moyens d'indication permettant de fournir des indications sur les fonctions du corps par l'intermediaire du conducteur forment ensemble avec le boitier ou enveloppe de la sonde une unite inseparable, et ces moyens d'indication sont disposes dans une zone determinee par la surface exterieure cylindrique de la sonde. Les fonctions cardiaques sont controlees et indiquees exterieurement par un accelerometre qui est dispose dans un fluide d'amortissement et qui est egalement prevu pour controler les sons pulmonaires, ainsi que par deux electrodes espacees entre elles, chaque electrode et l'accelerometre formant des unites separees, chacune d'elles etant connectee au boitier en plastique de la sonde de maniere inseparable, un thermistor etant dispose dans la sonde.
PCT/SE1982/000187 1981-05-26 1982-05-26 Sonde de controle WO1982004182A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8103309A SE8103309L (sv) 1981-05-26 1981-05-26 Overvakningssond
SE8103309810526 1981-05-26

Publications (1)

Publication Number Publication Date
WO1982004182A1 true WO1982004182A1 (fr) 1982-12-09

Family

ID=20343926

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1982/000187 WO1982004182A1 (fr) 1981-05-26 1982-05-26 Sonde de controle

Country Status (3)

Country Link
EP (1) EP0080482A1 (fr)
SE (1) SE8103309L (fr)
WO (1) WO1982004182A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU569824B2 (en) * 1985-09-13 1988-02-18 Howmedica Inc. Steerable catheter with doppler means
EP1174080A3 (fr) * 2000-07-19 2002-05-15 Innovamédica S.A. de C.V. Système spectroscopique de mesure d'impédance et cathéter de détection de lésions ischémiques de muqueuses de cavités visqueuses
US20120226126A1 (en) * 2008-08-07 2012-09-06 Heart Force Medical Inc. Method and Apparatus for Acquiring Data Relating to a Physiological Condition of a Subject When Chest Wall Access is Limited

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2837082A (en) * 1954-03-18 1958-06-03 Elliott Robert Vincent Accelerometer
US3480003A (en) * 1967-02-03 1969-11-25 Battelle Development Corp Apparatus for measuring esophageal motility
US3951136A (en) * 1973-10-10 1976-04-20 Vital Signs, Inc. Multiple purpose esophageal probe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2837082A (en) * 1954-03-18 1958-06-03 Elliott Robert Vincent Accelerometer
US3480003A (en) * 1967-02-03 1969-11-25 Battelle Development Corp Apparatus for measuring esophageal motility
US3951136A (en) * 1973-10-10 1976-04-20 Vital Signs, Inc. Multiple purpose esophageal probe

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU569824B2 (en) * 1985-09-13 1988-02-18 Howmedica Inc. Steerable catheter with doppler means
EP1174080A3 (fr) * 2000-07-19 2002-05-15 Innovamédica S.A. de C.V. Système spectroscopique de mesure d'impédance et cathéter de détection de lésions ischémiques de muqueuses de cavités visqueuses
US6882879B2 (en) 2000-07-19 2005-04-19 Innovamedica S.A. De C.V. Impedance spectroscopy system and catheter for ischemic mucosal damage monitoring in hollow viscous organs
EP1707116A1 (fr) * 2000-07-19 2006-10-04 Innovamédica S.A. de C.V. Système spectroscopique de mesure d'impédance et cathéter de détection de lésions ischémiques de muqueuses de cavités visqueuses
EP2027816A1 (fr) * 2000-07-19 2009-02-25 Innovamédica S.A. de C.V. Cathéter pour la surveillance de dommages de muqueuses ischémiques dans des organes visqueux creux
US7650183B2 (en) 2000-07-19 2010-01-19 Critical Perfusion, Inc. Impedance spectroscopy system for ischemic mucosal damage monitoring in hollow viscous organs
USRE44667E1 (en) 2000-07-19 2013-12-24 Critical Perfusion, Inc. Impedance spectroscopy system and catheter for ischemic mucosal damage monitoring in hollow viscous organs
US20120226126A1 (en) * 2008-08-07 2012-09-06 Heart Force Medical Inc. Method and Apparatus for Acquiring Data Relating to a Physiological Condition of a Subject When Chest Wall Access is Limited

Also Published As

Publication number Publication date
EP0080482A1 (fr) 1983-06-08
SE8103309L (sv) 1982-11-27

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