WO2015172884A2 - Dispositif et système pour une détection in vivo de données de patient et une transmission à un dispositif de traitement de données - Google Patents

Dispositif et système pour une détection in vivo de données de patient et une transmission à un dispositif de traitement de données Download PDF

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Publication number
WO2015172884A2
WO2015172884A2 PCT/EP2015/000988 EP2015000988W WO2015172884A2 WO 2015172884 A2 WO2015172884 A2 WO 2015172884A2 EP 2015000988 W EP2015000988 W EP 2015000988W WO 2015172884 A2 WO2015172884 A2 WO 2015172884A2
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WO
WIPO (PCT)
Prior art keywords
temperature measuring
temperature
adapter
patient
skin
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.)
Ceased
Application number
PCT/EP2015/000988
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German (de)
English (en)
Other versions
WO2015172884A3 (fr
Inventor
Denis KHITROV
Kirill PHILIPPOV
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.)
Swissmed Mobile AG
Original Assignee
Swissmed Mobile AG
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 Swissmed Mobile AG filed Critical Swissmed Mobile AG
Publication of WO2015172884A2 publication Critical patent/WO2015172884A2/fr
Publication of WO2015172884A3 publication Critical patent/WO2015172884A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
    • A61B5/0008—Temperature signals
    • 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
    • A61B5/6832—Means for maintaining contact with the body using adhesives
    • A61B5/6833—Adhesive patches
    • 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
    • A61B5/6844—Monitoring or controlling distance between sensor and tissue

Definitions

  • thermometer for the most common applications is easy for a layman to learn and perform with sufficient accuracy for most applications.
  • the mercury capillary thermometer was the
  • thermometers for body temperature and the term "clinical thermometer” are present in virtually every household.A filling of a certain amount of mercury expands into a very thin capillary within the glass body sealed on all sides Cooling
  • Thermometers are waterproof and therefore easy to clean and disinfect. There is no need for a battery. In addition, they are suitable for patients with nickel contact allergy, where the use of electronic probes is problematic.
  • thermometers Inexpensive yet accurate electronic temperature measuring techniques have also helped the electronic thermometer with digital display as a clinical thermometer to a significant market share.
  • the disadvantage here seems to be the requirement of a sufficiently fresh battery, which must also be disposed of at the end of its shelf life.
  • these thermometers can not be sterilized and the use of disinfectants can compromise the durability of the housing. In the joints of the battery cover germs can settle. Therefore, digital thermometers are available in which the housing has no openings. Once the battery is depleted, the entire thermometer must be disposed of as problematic waste.
  • Thermometers usually emit an acoustic signal as soon as the rate of rise of the measured temperature falls below a
  • the acoustic signal should indicate the end of the measurement.
  • the accuracy of the measurement depends on the thermometer having sufficient body contact for a period of at least 5 minutes. Failure to observe the length of stay or other operating errors, such as trapping fabric clothing between the thermometer and the patient's skin, can cause this
  • the fever thermometer is clamped under the arm in the armpit. While this method of measurement is most convenient for the patient and medical staff, it does least inaccurate. For the determination of the usually interesting core temperature, the reading of the reading must be made with a mark of 0.5 °. Since the heat transfer to the thermometer is more sluggish due to the low moisture on the skin, a measurement time of 8 to 10 minutes is required for usable results.
  • the measured value is about 0.3 ° to 0.5 ° below the core temperature.
  • thermometers measure the infrared radiation emitted by the body. This is transmitted to a sensor by means of a lens, converted into a temperature value and displayed. The infrared clinical thermometer must be aimed at a heavily perfused section of the skin in order to provide useful measurement results, e.g. on the forehead, or the eardrum. The advantage of the infrared clinical thermometer over conventional
  • Thermometers is in the short, lasting only a few seconds measurement duration.
  • the disadvantage is the dependence of the difference to the core temperature of the
  • thermometer is also suitable for large-scale random checks in a large number of persons
  • a device for measuring the body temperature of a living being in which a first temperature sensor and a second temperature sensor are arranged in a housing.
  • the first temperature sensor is applied directly to the skin of the body during the measurement process and serves to detect the skin temperature.
  • the second temperature sensor is thermally insulated and spaced from the first
  • Body temperature of a living being a second temperature sensor on a side facing away from the skin of the first temperature sensor should also be thermally insulated and spaced therefrom. Furthermore, an evaluation unit is described in which the body temperature after a predetermined
  • Temperature formula containing a temperature difference of the measured from the first temperature sensor and the second temperature sensor
  • Temperatures is calculated, wherein a compensation unit is provided, such that a occurring during the measurement process loss heat flow is taken into account. It is also suggested that there is a third
  • Temperature sensor measured temperatures and other geometry or material-dependent constant parameters can be an accurate
  • WO 2009/006655 A1 is now proposed to provide an intermediate piece for connection to an endotracheal tube, which has two chambers separated from one another by means of valves, so that only one of the inspiratory air and one chamber of the expiration air flows through a chamber.
  • a temperature sensor should be provided, via which in the flowless state in the chamber, e.g. during inspiration, the temperature of the expiration air without adulteration of the
  • the suction gum should be filled with a heat transfer medium, e.g. a mixture of polyhydric alcohols, also with water, natural or synthetic oils. In the described device, however, a visual reading of the
  • a system for estimating the basal temperature with a data logger comprising a temperature sensor, a data memory, a control device, a transmitter that transmits at least a portion of the data, a data reader with a
  • the datalogger should contain a power source which is used in the regular reading out of the data, e.g. for predicting an ovulation, by which the electromagnetic field of the data reader is recharged.
  • the power source should therefore be made relatively small. The combination of small size of the device and the wireless charging during the
  • Data transmission should allow a practical introduction of the device as an implant or a discrete arrangement in a patch that could be applied to the skin.
  • the thermal conductivity of the body should be greater in the direction of the contact surface through the first and the second temperature sensor than in the lateral direction parallel to the contact surface.
  • a material for the body is described with an anisotropy ratio of
  • the device in size of about 7 cm x 4 cm x 0.7 cm is intended by a
  • the device can also be attached to the skin with conventional bandage plaster like a bandage, but intensive skin contact must be ensured.
  • the switching on and off and the operation of the device, in particular the activation of the various modes of operation, are carried out by a single button.
  • the various commands are entered by pressing the button for different lengths of time or repeatedly in a specific time window.
  • the device has a display for displaying the measured temperature.
  • the device For easy temperature measurement, the device should remain on the skin for about 10 minutes after switching on and then removed. By shaking the measured value memory is reset.
  • the device can also be used for ongoing monitoring or long-term measurement.
  • another device is required, which reads out the measurement data continuously or as a package.
  • Applicable are devices such as computers, tablet computers, or smartphones that have an iOS operating system and a Bluetooth data communication interface.
  • the device must have special software installed by the manufacturer of the thermometer and the device must be connected to the thermometer via the Bluetooth interface. The maximum range of the connection is 5 m.
  • thermometer can be used for a maximum of 24 hours, as a datalogger 72 hours without connection to the reader.
  • thermometer must be removed from the patient's body and charged to the mains via a USB charging port.
  • operation of the device is neither for measurement nor for
  • thermometer The device must not be used in intensive care or emergency medicine according to the manufacturer's instructions.
  • a disadvantage of this thermometer can be considered that a relatively large and heavy device must be repeatedly attached with plaster on the skin of the patient, with appropriate adverse effects on the patient, such as skin irritation.
  • the size and weight of the device also require the patient to be disciplined for body posture and movements that are not significantly different from the discipline required in previous measurement methods in order to obtain usable measurement results.
  • a system comprising a pint-sized temperature measuring device which is adhered to a patch on a patient's skin, typically a child's groin.
  • a transmitting device for radio operation is integrated in the frequency bands 868 MHz or 919 and 925 MHz which are generally available for home automation systems and cordless telephones.
  • the system includes a corresponding receiving device similar to a base station for cordless telephones, which must be placed next to the bed of the patient.
  • the receiver must also have a
  • the temperature measuring device sends a measured value about every 0.5 minutes to a server of a service provider.
  • Interested persons eg the parents of a sick child, can log in with a standard terminal via the Internet on the homepage of the service provider and there the measured values consider.
  • Comfort features such as a notification service allow users to send a message via email or text message when the measured temperature exceeds certain thresholds.
  • this service also makes it possible to provide users with situation-adapted advertising or order offers, eg for medicines.
  • the power supply of the temperature measuring device is performed by a non-replaceable conventional lithium coin cell battery. After approx. 6 months, the battery is exhausted and the entire device must be disposed of as problematic waste, the other components must be disposed of as electronic waste.
  • Basal temperature from values of the surface temperature with reference measurements and physical evaluation, as well as the training of measuring devices as
  • Implants for long-term use and finally the device for connecting the temperature measurement to existing smartphones or the like in
  • Framework of a home IT infrastructure ie the overall improvement of the measurement by more and more complex active measurement technology on or even in the patient; on the other hand the non-contact measurement for everyday clinical practice, to make body temperature measurements faster as well as quality and reproducibility independent of the cooperation of the patient.
  • the invention is therefore based on the object, a device for
  • a temperature measuring adapter for application to the skin of a patient, with at least one metallic contact element, provided for direct contact of the skin, a medical tape for sticking to the skin, so that the
  • Contact element is held by the adhesive tape on the skin, wherein the contact element on the side facing away from the skin of the patient side of the adhesive tape protruding contact projection has for thermally conductive coupling of a temperature measuring device.
  • the temperature measuring adapter according to the invention is preferably attached by medical nursing staff at a suitable location. The actual temperature measurement is then carried out with a temperature measuring device
  • the adapter if necessary, connected to the adapter.
  • the heat from the skin surface via the metallic connection of the contact element to the temperature measuring device slides.
  • the temperature measuring adapter can also remain on the patient for several days and thus provides access to the body temperature for the temperature measuring device, the same one
  • the temperature is always measured at the same body site, allowing changes in body temperature
  • the metallic parts of the temperature measuring adapter are already stationary temperature at body temperature, which is faster
  • Temperature measuring adapters on the skin can change the number of
  • Temperature measuring adapter reduced to the absolute necessary and thus greatly reduced the occurrence of skin irritation.
  • Medical stainless steel is made or clad with it.
  • plate and contact projection are formed by separate parts, preferably plate and
  • Temperature measuring adapter for example in a troubled patient, it is expedient if the contact projection has a button-like thickening at the end remote from the plate and / or the contact projection is formed for a good heat conduction of a brass alloy.
  • Temperature difference can be an indication of an incipient replacement of the
  • Be temperature measuring adapter of the skin of the patient as this may be caused by a different good contact of Kotakt institute.
  • this can be used to trigger an alarm, so that the medical Caregivers can correct the seat of the temperature measuring adapter or replace it.
  • the temperature measuring adapter on the side facing away from the skin of a patient has a machine-readable individual identification, preferably in the form of a number in plain text or a one- or two-dimensional barcode and / or the
  • Adhesive tape is printed.
  • the object is further achieved by a temperature measuring device for use with a temperature measuring adapter according to the invention, wherein a
  • Temperature measuring device at least one receptacle for releasably latching contacting a contact projection of a
  • each receptacle is thermally conductively connected to a sensor, an evaluation circuit for outputting a digital value corresponding to the measured temperature, and a
  • Temperature measuring device makes it possible to use this repeatedly and in a variety of patients with a temperature measuring adapter according to the invention.
  • the latching contact provides a tactile feedback for a correct fit to the user.
  • Temperature measuring adapter and thus a reliable temperature measurement ensured. Furthermore, as a reliable seat of the temperature measuring device is achieved, even with troubled patients.
  • the temperature measuring device can be set up for occasional measurement, eg as part of normal nursing, the measurement carried out and the measuring device for other use be removed again, or the temperature measuring device for a long period of time for the ongoing monitoring of the patient on the
  • Temperature measuring adapters remain, depending on medical need.
  • the wireless transmission of the temperature measurement data via a WPAN not only allows the ongoing monitoring of a patient without disruptive and vulnerable cable connection, but also a reading by the nursing staff can be made directly via a corresponding terminal, without disturbing the patient.
  • This embodiment is also particularly advantageous in the care of highly infectious patients, e.g. on a quarantine station.
  • the low transmission power of WPAN devices makes it possible to operate the temperature measuring device via a life-time battery or a preferably non-contact rechargeable via an inductive charging device energy source. Further, because of the short range of such devices in the range of a few meters, the trouble-free operation of a plurality of such devices, e.g. possible in a hospital.
  • the senor comprises a thermistor and the evaluation circuit comprises a circuit for detecting an interruption or a short circuit of the connection between the sensor and the evaluation circuit.
  • an alarm device for issuing an alarm is provided for this purpose if a
  • Evaluation circuit is detected.
  • the alarm device can also be triggered when a
  • Evaluation device is connected to the assignment of the measured temperature to the temperature measuring adapter.
  • Marking a temperature measuring adapter can the
  • the temperature measuring adapter is assigned to the patient only once; in subsequent measurements, the measured data is automatically assigned to the correct patient without the care staff having to worry about it.
  • a fully automated online monitoring of the patient is possible.
  • Control device for the single activation of the reading device is provided after placing the temperature measuring device on a temperature measuring adapter.
  • Patient monitoring system emulates a conventional resistance temperature sensor.
  • Temperature measuring device associated communication adapter are plugged into a corresponding socket on the patient monitor and the temperature data is transmitted to the patient monitor as usual in a conventional wired analog temperature sensor.
  • the communication adapter has a selection device, which is connected to the drive circuit, for selecting a temperature-resistance characteristic. Such characteristics are de facto standardized.
  • the communication adapter further comprises an internal power supply device for operating the
  • Communication adapter to the supply voltage from the input socket of the patient monitoring system. This eliminates the need for batteries in the communications adapter and hermetically seals communications adapters for liquid in-hospital disinfectants for improved hospital hygiene. Economically particularly advantageous is the invention in the form of a
  • Temperature measuring adapter can remain as a disposable hygienic article for several days on the patient and be supplied to disposal after use. Since the temperature measuring adapter does not include any electronic components, a special and expensive treatment as problematic or germ-loaded electronic waste is not required. The requirements for sterilization of the temperature measuring device are comparatively low, since the temperature measuring device according to the invention in use is not directly and especially not in contact with the mucous membranes of a patient.
  • inventive design lends itself to make the temperature measuring hermetically sealed and thus reduce both a germ colonization, as well as the use of liquid disinfectant allow.
  • the system according to the invention can be connected directly to conventional and widespread patient monitoring systems, such as those found in intensive care units or in the operating theater, for example, and used with them.
  • Fig. 1 a temperature measuring adapter according to the invention in
  • Fig. 2 shows an inventive temperature measuring device in perspective
  • FIG. 4 shows a communication adapter according to the invention in FIG.
  • Fig. 5 shows a first embodiment of an inventive
  • Fig. 6 shows a further embodiment of an inventive
  • Temperature measuring adapter in section.
  • a temperature measuring adapter according to the invention denoted overall by 1, shown in a perspective view.
  • the temperature measuring adapter 1 is intended for application to the skin of a patient.
  • FIG. 1 shows the
  • the temperature measuring adapter 1 comprises at least one metallic contact element 2 and a medical adhesive tape 3 for
  • the contact element 2 has a protruding on the skin of the patient side of the adhesive tape 3 protruding contact projection 4 for thermally conductive coupling of a temperature measuring device fifth
  • FIG. 1 shows a side of the patient facing away from the skin of a patient
  • Temperature measuring adapter 1 a machine-readable individual
  • the barcode 6 is here on the side of the adhesive tape 3 facing away from the skin of the patient
  • Temperature measuring adapter 1 it is possible, after a single assignment to a patient automatically assign all other measurements to the patient.
  • the assignment takes place in connection with the attachment of the temperature measuring adapter 1 to the skin of the patient.
  • a covering paper 7 is peeled off on the side of the temperature measuring adapter 1 facing the skin and the temperature measuring adapter 1 is glued to the skin of the patient with the adhesive tape 3, see FIG. 6. Suitable sites for this are on the trunk under the armpit or in the groin.
  • Adhesive tape 3 extending flat plate 8 includes. This is located in
  • the plate 8 may be plated on the skin facing side with a medical stainless steel (stainless steel) for good compatibility.
  • Contact projection 4 are attached to each other here by a snap connection or a Einsp Drraumtress.
  • the illustration in Figure 5 shows the parts before assembly, the arrow shows the mounting direction of the contact projection 4.
  • Plate 8 and contact projection 4 can also be riveted together.
  • the plate 8 may consist of a medical stainless steel and the
  • the contact projection 4 may have a button-like thickening 10, as shown in Figure 6.
  • An inventive temperature measuring adapter 1 can several components
  • the contact elements 2 are metallically connected to one another in such an embodiment (not shown in the drawings) for a temperature compensation between the individual contact elements 2.
  • FIG. 2 shows a temperature measuring device 5 according to the invention in a perspective view from below, that is, with a view to the one
  • Temperature measuring adapter 1 operating underside 11.
  • a receptacle 12 for releasably latching
  • Temperaturmessadapters 1 For use with temperature measuring adapters 1 with a plurality of contact elements 2 a plurality of receptacles 12 are expediently provided so as to a temperature difference between several
  • Such a temperature difference may be an indication that the temperature measuring adapter 1 does not have sufficient contact with the skin of the patient, e.g. when the adhesive tape 3 comes off or the patient has been fiddling with the temperature measuring adapter 1.
  • a bar code reader 13 is provided for detecting the bar code 6 of the
  • FIG. 3 is a perspective view of the upper side 14 of FIG.
  • Temperature measuring device 5 shown.
  • a preferably hermetically sealed with included in the housing material on / off switch 15 and two display LEDs 16 to indicate the operational readiness and an alarm signal can be arranged.
  • a temperature sensor Inside the temperature measuring device 5 are a temperature sensor, an evaluation circuit for outputting a digital value corresponding to the measured temperature, and a communication device for transmitting the values via a WPAN.
  • WPAN Wireless Personal Area Network
  • WPAN Wireless Personal Area Network
  • BLE protocol Bluetooth Low Energy
  • the communication circuit is operated clocked in time, preferably with a duty cycle of 1: 10 to 1: 5 or activated for 6 s to 12 s per minute for data transmission, the data is buffered until confirmation of the correct transmission in a memory device.
  • the evaluation circuit comprises a circuit for detecting an interruption or a short circuit of the connection between the sensor and the evaluation circuit. An issue of an alert about a the display LEDs 16 takes place when, for example, an interruption or a short circuit of the connection between the sensor and the evaluation circuit is detected.
  • FIG. 4 shows a communications adapter 17 according to the invention.
  • the communication adapter 17 comprises a plug-in device 18 for the electrical connection of the communication adapter to an input socket of a patient monitoring system.
  • the communication adapter 17 comprises a current control circuit connected to the plug-in device 18, wherein the
  • the communication adapter 17 emulates at the input socket of the
  • Patient monitoring system a conventional resistance temperature sensor.
  • a selection device 19 is still
  • the internal power supply means for operating the communication adapter 17 enables operation on the supply voltage from the input socket of the patient monitoring system.

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

Abstract

L'invention concerne un adaptateur de mesure de température (1) pour une application sur la peau d'un patient, comportant au moins un élément de contact métallique (2), prévu pour un contact direct avec la peau, un ruban adhésif médicinal (3) destiné à coller à la peau, de telle sorte que l'élément de contact (2) est maintenu par le ruban adhésif (3) sur la peau, l'élément de contact (2) présentant une saillie de contact (4) en saillie sur le côté du ruban adhésif (3) opposé à la peau du patient, pour coupler d'une manière conduisant la chaleur un appareil de mesure de température (5), un appareil de mesure de température (5) pour une utilisation avec l'adaptateur de mesure de température (1), ainsi qu'un adaptateur de communication (17) pour une utilisation avec l'appareil de mesure de température (5) et un système de mesure de température et de surveillance.
PCT/EP2015/000988 2014-05-13 2015-05-13 Dispositif et système pour une détection in vivo de données de patient et une transmission à un dispositif de traitement de données Ceased WO2015172884A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014006999.0A DE102014006999A1 (de) 2014-05-13 2014-05-13 Vorrichtung und Verfahren zur In-Vivo Erfassung von Patientendaten und Übertragung an eine Datenverarbeitungseinrichtung
DE102014006999.0 2014-05-13

Publications (2)

Publication Number Publication Date
WO2015172884A2 true WO2015172884A2 (fr) 2015-11-19
WO2015172884A3 WO2015172884A3 (fr) 2016-03-17

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DE102021104705A1 (de) 2021-02-26 2022-09-01 seiwo Technik GmbH Verfahren und System zur Erfassung des Gesundheitszustandes einer Person

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