US3888240A - Electrode assembly and methods of using the same in the respiratory and/or cardiac monitoring of an infant - Google Patents

Electrode assembly and methods of using the same in the respiratory and/or cardiac monitoring of an infant Download PDF

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Publication number
US3888240A
US3888240A US468137A US46813774A US3888240A US 3888240 A US3888240 A US 3888240A US 468137 A US468137 A US 468137A US 46813774 A US46813774 A US 46813774A US 3888240 A US3888240 A US 3888240A
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United States
Prior art keywords
infant
pad
electrodes
electrode assembly
integral
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Expired - Lifetime
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US468137A
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English (en)
Inventor
Jr Herbert E Reinhold
Richard B Toren
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ING (US) Corp
Meridian Medical Technologies Inc
Original Assignee
Survival Technology Inc
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 Survival Technology Inc filed Critical Survival Technology Inc
Priority to US468137A priority Critical patent/US3888240A/en
Priority to CA75218491A priority patent/CA1048611A/en
Priority to CH105575A priority patent/CH579379A5/xx
Priority to IL46527A priority patent/IL46527A/en
Priority to GB4380/75A priority patent/GB1498893A/en
Priority to IT19879/75A priority patent/IT1031399B/it
Priority to DE19752504338 priority patent/DE2504338A1/de
Priority to FR7503232A priority patent/FR2260319B1/fr
Priority to AU77884/75A priority patent/AU498870B2/en
Priority to AR257538A priority patent/AR216890A1/es
Priority to SE7501328A priority patent/SE7501328L/xx
Priority to BR814/75A priority patent/BR7500814A/pt
Priority to NL7501485A priority patent/NL7501485A/xx
Priority to JP50016141A priority patent/JPS583699B2/ja
Priority to ES434576A priority patent/ES434576A1/es
Application granted granted Critical
Publication of US3888240A publication Critical patent/US3888240A/en
Assigned to FIRST PENNSYLVANIA BANK N.A. reassignment FIRST PENNSYLVANIA BANK N.A. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SURVIVAL TECHNOLOGY, INC., A DE CORP.
Assigned to SURVIVAL TECHNOLOGY, INC. reassignment SURVIVAL TECHNOLOGY, INC. RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: FIRST PENNSYLVANIA BANK N.A.
Anticipated expiration legal-status Critical
Assigned to SURVIVAL TECHNOLOGY INC. reassignment SURVIVAL TECHNOLOGY INC. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: ESTATE OF STANLEY J. SARNOFF C/O ROBERT E. HERZSTEIN SHEARMAN & STERLING
Assigned to BRUNSWICK BIOMEDICAL CORPORATION reassignment BRUNSWICK BIOMEDICAL CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SURVIVAL TECHNOLOGY, INC.
Assigned to INTERNATIONALE NEDERLANDEN (U.S.) CAPITAL CORPORATION reassignment INTERNATIONALE NEDERLANDEN (U.S.) CAPITAL CORPORATION COLLATERAL ASSIGNMENT AND SECURITY AGREEMENT (PATE Assignors: BRUNSWICK BIOMEDICAL CORPORATION
Assigned to ING (U.S.) CORPORATION reassignment ING (U.S.) CORPORATION (INVALID ASSIGNMENT) SEE RECORDING ON REEL 9534, FRAME 0084 ( ATTORNEY REFUSED TO CORRECT IMPROPER ASSIGNMENT) Assignors: MERIDIAN MEDICAL TECHNOLOGIES, INC.
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    • 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
    • A61B5/6831—Straps, bands or harnesses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording 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, mobility of a limb
    • A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
    • 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]
    • A61B5/282—Holders for multiple electrodes

Definitions

  • ABSTRACT A disposable electrode assembly and method of using the same in the respiratory and/or cardiac monitoring of an infant comprising a pad or very fine open pore polyurethane providing an infant back receiving area of approximately 4% inches by 4% inches on which a plurality of separate flexible carbon powder impregnated polyvinyl chloride sheet electrodes are affixed in surface-to-surface engagement so as to be intimately contacted by the skin of an infant's back received on said back receiving pad area.
  • the pad has portions converging outwardly from opposite sides of the back receiving area for extending generally beneath the armpits and along the lower edge of the rib cage of an infant where they are held to the sides of the infant's torso by integral pad straps releasably adjustably secured together across the infant's chest above the belly area by Velcro fastener elements. Snap fastener terminal elements are provided for effecting a detachable electrical connection with the leads of the monitoring instrument.
  • This invention relates to infant or new born baby care and more particularly to an improved electrode assembly and method of using the same in the respiratory and/or cardiac monitoring of an infant.
  • a typical electrode of the type used in practice is disclosed in US. Pat. No. 3,713,435.
  • An electrode of this type embodies a central male snap fastener assembly surrounded by a disk of flexible material.
  • the male element of the snap fastener assembly serves as a terminal for connection with the lead of the monitoring equipment.
  • the opposite side of the male snap fastener assembly serves as a receptacle for a conductive paste or electrolyte gel.
  • the corresponding face of the flexible disk is provided with a pressure sensitive adhesive which serves to hold the electrolyte gel into contact with the skin.
  • a pressure sensitive adhesive which serves to hold the electrolyte gel into contact with the skin.
  • An object of the present invention is the provision of a reliable electrode system and method of using the same in the respiratory and/or cardiac monitoring of an infant which will fill the above described need by eliminating the aforesaid disadvantages of present practices.
  • this objective is obtained by utilizing a plurality of flexible sheet form electrodes, preferably formed of carbon powder loaded polyvinyl chloride, sized and arranged so as to have a maximum contact area with the infant's skin at a location throughout the back area so that such contact can be maintained primarily by the weight of the infant in his or her normally supported position within the incubator.
  • the utilization of flexible sheet form electrodes enables a reliable electrical connection to be effected without the use of conductive pastes or electrolyte gels since electrical resistance to the connection can be minimized by virtue of the greater area of contact of the connection.
  • Utilizing the infants back as the area of contact also secures many advantages. First, it utilizes a skin area which is normally contacted anyway by virtue of the infants normal position in the incubator. Thus, skin areas which do not receive normal intimate contact, such as the chest area, are allowed to remain unencumbered. Second, the weight of the infant can be utilized to facilitate a somewhat pressurized contact. Third, by utilizing nonmetallic electrodes which extend throughout the back area, the metal leads of the ECG equipment can be peripherally attached to the electrodes, thus making it possible to maintain the torso area free of obstructing metal for X-ray purposes.
  • No. 3,720,209 dated Nov. 25, 1970 discloses the use of a plurality of flexible sheet form electrodes mounted on the upper surface of a flat flexible platelike base so that an ECG can be taken with the patient simply lying on a treatment table with the base mounted electrodes between the patient and the treatment table.
  • the present invention relies not only upon the use of a plurality of flexible sheet form electrodes but also upon the combination of such electrodes with an effective reliable non-adhesive attaching structure which fulfills the needs specific to infant care.
  • the attaching structure of the present invention and its mode of operation differs in principle from the attaching structures of the prior art discussed above because it neither utilizes a strapped to the table relationship, a tight fitting elastic garment relationship nor a flat platelike relationship. While these latter relationships may be described or necessary for the particular application to which they relate, they could not be satisfactorily applied to infant care. Strapping the patient down to the treatment table may be regarded as necessary while giving an adult an electric muscle shock treatment but would not be desirable for infants. Likewise, wearing an elastic garment may be required dress for astronauts but is hardly suitable for infants. So also it would be expected that an adult would lie still on a flat pad long enough for an ECG reading, but such conduct cannot be expected in the long term monitoring of an infant.
  • an attaching structure which will maintain a plurality of flexible sheet form electrodes against the back of an infant in such a way as to maintain reliable non-adhesive contact over an extended period of time without strapping the infant to the incubator, without requiring the infant to wear tight fitting elastic garments or to be immobile.
  • the attaching structure embodying these principles includes a pad of soft pliable material, preferably a very fine open pore foamed polyurethane sheet of approximately onefourth inch thickness, having a back engaging area of approximately 4% inches by 4 /2 inches to which the plurality of flexible sheet from electrodes are attached substantially throughout.
  • Soft pliable quick connect and disconnect strap means preferably formed integrally of the pad material, is provided between the converging portions to maintain the same against the sides of the infants torso which, in turn, maintains the electrode carrying back engaging area against the infants back.
  • the soft pliable strap means extends across the infant's chest above the belly area so that attachment is effected by the application of a soft pliable restraint which is completely unrestrictive to the breathing movements which occur in the belly area of infants.
  • Another object of the present invention is the provision of a reliable infant long term monitoring electrode assembly of the type described which is sufficiently simple and economical in construction as to be made sterile and disposable after one use.
  • FIG. 1 is a perspective view illustrating the manner in which a preferred electrode assembly embodying the principles of the present invention is disposed in attached relation with an infant;
  • FIG. 2 is a perspective view showing the electrode assembly in attached relation with an infant
  • FIG. 3 is a top plan view of the electrode assembly disposed in a flat condition prior to attachment to the infant;
  • FIG. 4 is an enlarged, fragmentary sectional view taken along the line 4-4 of FIG. 3 illustrating an electrode assembly of modified form embodying the principles of the present invention
  • FIG. 5 is a view similar to FIG. 3 illustrating an electrode assembly of modified form embodying the principles of the present invention.
  • FIG. 6 is an enlarged fragmentary sectional view taken along the line 66 of FIG. 5.
  • FIGS. 1-4 there is shown in FIGS. 1-4 thereof a disposable electrode assembly, generally indicated at 10, which, in accordance with the principles of the present invention, is particularly suited for the respiratory and/or cardiac monitoring of infants or new born babies.
  • the electrode assembly comprises a sheet-like pad 12 of soft pliable non-conductive mate rial having an infant back receiving area 14 of approxi mately 4% inches by 4% inches.
  • a plurality of separate flexible sheet form electrodes 16, I8, 20 and 22 of conductive particle impregnated plastic material are affixed in surface-to-surface engagement with the pad I2 so as to extend substantially throughout the back re DC charging area thereof.
  • the pad 12 also includes integral portions 24 which converge outwardly from opposite sides of the back receiving area I4 thereof for extending generally beneath the armpits and along the lower edge of the rib cage of an infant when the converging side portions are held to the sides ofthe infants torso.
  • the converging side portions 24 are arranged to be held to the sides of the infant by appropriate soft pliable strap means which in the preferred embodiment are in the form of a pair of integral strap portions 26.
  • Mounted on the strap portions 26 are cooperating Velcro fastener strips 28 and 30 which serve to releasably adjustably secure the strap portions 26 in a position extending across the chest cage of the infant.
  • the pad 12 also includes an infant head receiving and terminal carrying portion 32 extending outwardly from the area 14 in the direction of and beyond an infants head whose back is received on the back receiving area 14.
  • the electrode assembly also includes terminal means for effecting a detachable electrical connection of each electrode l6, 18, and 22 with a lead of a monitoring machine.
  • the terminal means includes strips 34, 36, 38 and 40 which are integral with and extend from the peripheries of the electrodes I6, 18, 20 and 22 respectively.
  • the strips extend through openings 42, 44, 46 and 48 respectively, in the pad 12 and are affixed in surface-to-surface engagement with the exterior of the pad in an outwardly extending parallel relation in the direction of the portion 32.
  • the terminal means also includes male snap fastener elements 50, 52, 54, and 56 which are fixedly secured to the free ends of the strips 34, 36, 38 and 40 respectively and the associated pad portion 32.
  • the pad 12 may be constructed of any soft pliable non-conductive material or composite construction, however, a preferred material is a very fine open pore polyurethane of approximately one-fourth inch thickness. A pore size of I00 PPI is preferred. As to the size of the back engaging area 14, it will be understood that a measure of variation from the exact 4% X 4% dimension previously stated is clearly within the purview of the present invention. Ba-
  • a 4 inch by 3 inch dimension of the area is desirable and, of course, the term approximately" contemplates a slightly lower dimension as well as dimensions above the exact 4% X 4% dimension specified. Moreover, it will be appreciated that a variation in the dimension across the back is more restricted than the dimension normal thereto in order to achieve the proper functioning to the converging portions 24.
  • the electrodes can be of any desired electrically conductive flexible material, the preferred material shown being carbon powder impregnated polyvinyl chloride. While cooperating Velcro fastener elements 28 and 30 are preferred, other fastening elements or assemblies may be utilized. Likewise, while male snap fastener elements made of metal are preferred as a terminal con struction, other types of terminals may be utilized, including simple wires.
  • the electrodes are preferably relatively thin, the preferred thickness shown being 0.030 inches.
  • the shape of the electrodes and the number of electrodes provided can be varied. It is preferred that they be of generally equal size extending over as much of the back receiving area 14 as possible but at least 50% of the area.
  • there are four electrodes of generally equal square configuration approximately 2 inches by l-l5/l 6 inches for the 4% inch X 4% inch size and 1% inches by l% inches for the 4 inch X 3% inch size) extending over approximately 80% of the back receiving area 14.
  • pad of soft pliable material and flexible sheet form electrodes are not limited to the preferred embodiments specifically described above but comprehend other types of constructions.
  • the pad and electrodes could be formed of woven or knitted material with the electrodes being provided by electrically conductive yarns (e.g., carbon powder loaded resin or metallic coated thread) positioned in the fabric to engage the infants back by the weaving or knitting operation.
  • electrically conductive yarns e.g., carbon powder loaded resin or metallic coated thread
  • the electrode assembly 10 is first placed in a generally flat condition, as shown in FIG. 1, on the upper surface of the incubator with the exterior surface of the pad 12 engaging the upper surface of the incubator and the exposed surfaces of the electrodes l6, 18, and 22 facing up wardly.
  • the leads of the monitoring instrument are detachably connected with the snap fastener terminal elements 50, 52, 54 and 56.
  • the infant is placed in the incubator in a position such that his or her back rests upon the electrodes l6, 18, 20 and 22 and the infants head rests upon the pad portion 32, as is shown in FIG. 1.
  • the strap portions 26 are brought up around the infant's chest and the cooperating Velcro fastening elements 28 and 30 are brought into engagement.
  • FIG. 2 illustrates the operative position of the assembly 10 when applied to the infant.
  • the method of the present invention involves the steps of positioning the infants back into skin engagement with a plurality of generally coplanar flexible sheet form electrodes substantially throughout the back area of the infant while flexibly retaining the electrodes in a generally fixed relation with respect to one another within said generally coplanar relationship, applying a slight flexible retaining pressure along the infants sides generally between the lower edge portion of the rib cage and the armpits and across the infant's chest above the belly area to the aforesaid flexible retention of the electrodes to maintain the aforesaid skin engagement between the infants back and the electrodes, and utilizing the skin engagement of the electrodes with the infant's back to establish a circuit for the electrical signals thus captured to a monitoring device.
  • the monitoring device may be of any wellknown construction capable of providing an indication of the infants respiration and/or ECG based upon the electrical signals conveyed thereto through the established circuit.
  • the skin engagement is effected with the electrodes in a dry condition, however, it is within the contemplation of the present invention to place a small quantity of water (e.g., a drop or a few drops) upon the skin engaging surface of the electrodes before positioning the infants back into skin engagement therewith.
  • the water is preferably sterilized water to eliminate any possibility of irritation.
  • one of the electrodes such as the electrode 22, constitutes the ground electrode.
  • the ground electrode Normally, only two of the other three electrodes, in addition to the ground electrode, would be operable at any one time.
  • the provision of the four electrodes enables the operator to achieve a conventional Lead I reading, as by utilizing electrodes 16 and 18 along with the ground electrode 22; a conventional Lead II reading, as by utilizing electrode 18 and electrode 20 along with the ground electrode 22; or conventional Lead Ill reading, as by utilizing electrodes 16 and 20 along with the ground 22.
  • the electrical signals which are thus captured by the use of the present electrode assembly 10 are suitable for either respiratory monitoring or cardiac monitoring or both.
  • the signals captured which are suitable for respiratory monitoring are the variations in the electrical resistance of the infants thorax due to breathing, while the signals captured which are suitable for ECG monitoring are the electrical signals which trigger the heart beat.
  • Circuitry suitable to provide appropriate output monitoring signals corresponding to each type of captured signal is also well-known.
  • the provision of the head receiving and terminal carrying pad portion 32 is preferred since it serves to present the terminals which are connected with the leads of the monitoring instrument in the controlled manner which is spaced from the infant.
  • X rays can be taken with the assembly 10 attached to the infant since the electrical wires of the leads of the instrument are maintained out of contact with the infant and there are no metallic materials embodied in the assembly 10 which would obstruct an X ray picture when taken with the device applied to the infant.
  • FIGS. and 6 A modification of this type is illustrated in FIGS. and 6. Since the embodiment of FIGS. 5 and 6 varies from that of the preferred embodiment of FIGS. l4 solely in the elimination of the pad portion 32 and the specific configuration of the terminal means, corresponding elements of the assembly illustrated in FIGS. 5 and 6 are designated by corresponding prime numerals which do not require further detailed description.
  • the electrode assembly 10' includes terminal means in which the electrodes 16', 18, 20' and 22 are provided with integral triangular portions or strips 58, 60, 62 and 64 which extend in affixed surface-to-surface engagement with the associated converging side pad portions 24.
  • These terminal electrode portions have small snap fastener elements 66, 68, 70 and 72 respectively fixed thereto.
  • the pad adjacent each snap fastener element is preferably apertured, as indicated at 74, to receive the lead connection therein.
  • the exterior surface portion of each snap fastener element on the electrode side of the pad is provided with electrical insulation in order to prevent metal-to-infant skin contact.
  • Such insulation can be provided in any suitable manner, such as making the snap fastener portions of a non-metallic material, by applying insulating tape thereto, or by plastic coating the snap fastener portions, as indicated in FIG. 6.
  • a disposable electrode assembly for use in respiratory and/or cardiac monitoring of an infant comprising a sheet-like pad of soft pliable non-conductive material having an infant back receiving area of approximately 4% inches by 4% inches, a plurality of separate flexible sheet form electrodes extending substantially throughout the back receiving area of said pad so as to be intimately contacted by the skin of an infants back received on said back receiving pad area, said pad having portions converging outwardly from opposite sides of said back receiving area for extending generally beneath the armpits and along the lower edge of the rib cage of an infant when said converging side portions are held to the sides of the infants torso, strap means of soft pliable material for extending across the chest cage of the infant centrally between said converging side portions, means for releasably adjustably securing said strap means in the aforesaid extending relation to thereby hold said converging side portions against the sides of the infants torso so that said flexible sheetform electrodes are maintained in skin contact with the infants back
  • a disposable electrode assembly as defined in claim 2 wherein said conductive particle impregnated plastic material comprises carbon powder impregnated in polyvinyl chloride.
  • a method of monitoring the respiration and/or ECG of an infant which comprises the steps of positioning the infants back into skin engagement with a plurality of generally coplanar flexible sheet form electrodes substantially throughout the back area of the infant while flexibly retaining the electrodes in a generally fixed relation with respect to one another within said generally coplanar relationship, applying a slight flexible retaining pressure along the infants sides generally between the lower edge portion of the rib cage and the armpits and across the infants chest above the belly area to the aforesaid flexible retention of the electrodes to maintain the aforesaid skin engagement between the infants back and the electrodes, and utilizing the skin engagement of the electrodes with the infant's back to establish a circuit for the change in resistance in the infant's thorax and/or the electrical activity of the infants heart to a monitoring device capable of 3,888,240 9 10 providing an indication of the infants respiration andquantity of water is placed upon the skin engaging sur- /or ECG based upon the electrical signals conveyed face of the electrodes before

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  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
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  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Physiology (AREA)
  • Dentistry (AREA)
  • Cardiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measurement Of Radiation (AREA)
  • Electrotherapy Devices (AREA)
US468137A 1974-02-08 1974-05-08 Electrode assembly and methods of using the same in the respiratory and/or cardiac monitoring of an infant Expired - Lifetime US3888240A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
US468137A US3888240A (en) 1974-02-08 1974-05-08 Electrode assembly and methods of using the same in the respiratory and/or cardiac monitoring of an infant
CA75218491A CA1048611A (en) 1974-02-08 1975-01-23 Infant thoracic monitoring electrode assembly
CH105575A CH579379A5 (he) 1974-02-08 1975-01-29
IL46527A IL46527A (en) 1974-02-08 1975-01-30 Electrode assembly and method of using the same in the respiratory and/or cardiac monitoring of an infant
GB4380/75A GB1498893A (en) 1974-02-08 1975-01-31 Electrode assembly for use in the respiratory and/or cardiac monitoring of a baby
IT19879/75A IT1031399B (it) 1974-02-08 1975-01-31 Complesso elettodico e metod di usarlo nel controllo dell la respirazione elo del funzionamento del cuore di un bam mbino piccolo o neonato
DE19752504338 DE2504338A1 (de) 1974-02-08 1975-02-03 Wegwerfbare elektrodenanordnung zur ueberwachung der atmungs- und/oder herztaetigkeit eines saeuglings
FR7503232A FR2260319B1 (he) 1974-02-08 1975-02-03
AU77884/75A AU498870B2 (en) 1974-02-08 1975-02-04 Monitoring instrument for infants
AR257538A AR216890A1 (es) 1974-02-08 1975-02-05 Conjunto de electrodos para ser usado en la observacion respiratoria y/o cardiaca de un infante
SE7501328A SE7501328L (sv) 1974-02-08 1975-02-06 Sammansatt elektrod for anvendning vid respirator och/eller hjertovervaknings av spedbarn.
BR814/75A BR7500814A (pt) 1974-02-08 1975-02-07 Conjunto de eletrodos descartavel para emprego no supervisionamento respiratorio e/ou cardiaco de uma criancinha e processo de supervisionar a respiracao e/ou o ecg de uma criancinha
NL7501485A NL7501485A (nl) 1974-02-08 1975-02-07 Elektrodenstelsel en werkwijze voor het toe- n daarvan bij het bewaken van de adem- gsfunktie en/of de hartfunktie van een ling.
JP50016141A JPS583699B2 (ja) 1974-02-08 1975-02-07 アカゴノコキユウヤシンゾウキノウカンシヨウデンキヨククミタテタテトソノヨウホウ
ES434576A ES434576A1 (es) 1974-02-08 1975-02-08 Conjunto perfeccionado de electrodo y metodo de uso del mis-mo en la supervision respiratoria yno cardiaca de un bebe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44075074A 1974-02-08 1974-02-08
US468137A US3888240A (en) 1974-02-08 1974-05-08 Electrode assembly and methods of using the same in the respiratory and/or cardiac monitoring of an infant

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US3888240A true US3888240A (en) 1975-06-10

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US468137A Expired - Lifetime US3888240A (en) 1974-02-08 1974-05-08 Electrode assembly and methods of using the same in the respiratory and/or cardiac monitoring of an infant

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US (1) US3888240A (he)
JP (1) JPS583699B2 (he)
AR (1) AR216890A1 (he)
AU (1) AU498870B2 (he)
BR (1) BR7500814A (he)
CA (1) CA1048611A (he)
CH (1) CH579379A5 (he)
DE (1) DE2504338A1 (he)
ES (1) ES434576A1 (he)
FR (1) FR2260319B1 (he)
GB (1) GB1498893A (he)
IL (1) IL46527A (he)
IT (1) IT1031399B (he)
NL (1) NL7501485A (he)
SE (1) SE7501328L (he)

Cited By (91)

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US3954100A (en) * 1974-12-10 1976-05-04 International Defense Consultant Services, Inc. Flexible sensor pad for non-attached monitoring EKG signals of human subjects
US4026278A (en) * 1975-11-06 1977-05-31 Marquette Electronics, Inc. Electrode positioning and retaining belt
US4082086A (en) * 1976-12-13 1978-04-04 M I Systems, Inc. Ecg monitoring pad
US4121575A (en) * 1976-10-05 1978-10-24 Harold Mills Devices for rapid placement and recording of ECG precordial leads in patients
US4122843A (en) * 1977-08-10 1978-10-31 Electro-Technics, Inc. Electrode system for a heart rate monitor
EP0000759A1 (de) * 1977-08-03 1979-02-21 Siemens Aktiengesellschaft Elektrode
US4257424A (en) * 1979-04-30 1981-03-24 Ndm Corporation X-ray transparent medical electrode
WO1982000951A1 (en) * 1980-09-24 1982-04-01 Int Trade Inc Wallant Automatic electrode placement device
US4328814A (en) * 1980-06-04 1982-05-11 The Kendall Company Precordial ECG strip
US4334542A (en) * 1979-05-10 1982-06-15 Rion Co., Ltd. Artificial palate device for electropalatograph
US4370984A (en) * 1979-04-30 1983-02-01 Ndm Corporation X-Ray transparent medical electrode
US4381012A (en) * 1980-09-24 1983-04-26 Wallant International Trade, Inc. Electrode placement device
US4381789A (en) * 1979-11-20 1983-05-03 Siemens Aktiengesellschaft Electrode system
US4391279A (en) * 1981-12-11 1983-07-05 Clinical Data, Inc. Electrode belt
US4498480A (en) * 1983-07-01 1985-02-12 Mortensen John L Adjustable probe belt assembly
US4522205A (en) * 1980-09-03 1985-06-11 The University Court Of The University Of Edinburgh Therapeutic device and method of inducing thrombosis in a blood vessel
US4573474A (en) * 1984-07-27 1986-03-04 Scibetta James S Cable harness for an electrocardiogram device
US4619266A (en) * 1983-05-11 1986-10-28 Hodgson John A Electrode array for muscle stimulation and recording
US4648407A (en) * 1985-07-08 1987-03-10 Respitrace Corporation Method for detecting and differentiating central and obstructive apneas in newborns
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JPS583699B2 (ja) 1983-01-22
BR7500814A (pt) 1975-11-25
SE7501328L (sv) 1975-10-24
JPS50108783A (he) 1975-08-27
CH579379A5 (he) 1976-09-15
FR2260319B1 (he) 1982-03-19
DE2504338A1 (de) 1975-08-14
AR216890A1 (es) 1980-02-15
AU498870B2 (en) 1979-03-29
NL7501485A (nl) 1975-08-12
AU7788475A (en) 1976-08-05
ES434576A1 (es) 1977-05-16
IL46527A (en) 1977-01-31
CA1048611A (en) 1979-02-13
GB1498893A (en) 1978-01-25
FR2260319A1 (he) 1975-09-05
IL46527A0 (en) 1975-04-25
IT1031399B (it) 1979-04-30

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