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DE2407559C3 - Heat probe - Google Patents

Heat probe

Info

Publication number
DE2407559C3
DE2407559C3DE19742407559DE2407559ADE2407559C3DE 2407559 C3DE2407559 C3DE 2407559C3DE 19742407559DE19742407559DE 19742407559DE 2407559 ADE2407559 ADE 2407559ADE 2407559 C3DE2407559 C3DE 2407559C3
Authority
DE
Germany
Prior art keywords
probe
heat
cooling
radiation
tissue
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
DE19742407559
Other languages
German (de)
Other versions
DE2407559A1 (en
DE2407559B2 (en
Inventor
Wolfgang Dr. 7759 Immenstaad Hepp
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.)
Dornier System GmbH
Original Assignee
Dornier System GmbH
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 Dornier System GmbHfiledCriticalDornier System GmbH
Priority to DE19742407559priorityCriticalpatent/DE2407559C3/en
Publication of DE2407559A1publicationCriticalpatent/DE2407559A1/en
Publication of DE2407559B2publicationCriticalpatent/DE2407559B2/en
Application grantedgrantedCritical
Publication of DE2407559C3publicationCriticalpatent/DE2407559C3/en
Expiredlegal-statusCriticalCurrent

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Description

Translated fromGerman

Die Erfindung betrifft eine stabförmige Sonde zur gezielten Applikation von Wärmeenergie auf begrenzteGewebebezirke des Körpers von Lebewesen, wobei innerhalb der Sonde eine Einrichtung zur Abstrahlungelektromagnetischer Strahlung vorhanden ist.The invention relates to a rod-shaped probe for the targeted application of thermal energy to a limited extentTissue areas of the body of living beings, with a device for radiation inside the probeelectromagnetic radiation is present.

Eine Sonde dieser Art ist aus der DE-AS 11 61 362bekannt, wobei der Strahler eine über seine gesamte Länge gleichmäßige Energieabstrahlung sicherstellensoll.A probe of this type is from DE-AS 11 61 362known, the radiator ensuring uniform energy radiation over its entire lengthtarget.

Die Aufgabe der Erfindung besteht darin, eine stabförmige Sonde der eingangs angegebenen Art zuschaffen, wobei die anliegenden Gewebeflächen wärmeentlastet werden.The object of the invention is to provide a rod-shaped probe of the type specified at the beginningcreate, whereby the adjacent tissue surfaces are relieved of heat.

Diese Aufgabe wird erfindungsgemäß gelöst durch eine innerhalb der Sonde angeordnete Kühleinrichtung,die die dem Körper zugewandte Oberfläche der Sonde kühlt.This object is achieved according to the invention by a cooling device arranged within the probe,which cools the surface of the probe facing the body.

Durch Wahl des Verhältnisses von mittels der Einrichtung zur Abstrahlung abgegebener Wärme zuder durch Kühlung mittels der Kühleinrichtung abgeleiteten Wärme kann der Absland des Temperaturmaximumsim Gewebe von der Sondenoberfläche in gewissen Grenzen variiert werden. Durch Variation derabsoluten Beträge von abgegebener und durch Kühlung abgeleiteter Wärme bei konstantem Verhältnis kann dieHöhe des Temperaturmaximums eingestellt werden.By choosing the ratio of heat emitted by the device for radiation tothe heat dissipated by cooling by means of the cooling device can remove the temperature maximumcan be varied within certain limits in the tissue of the probe surface. By varying theabsolute amounts of heat dissipated and dissipated by cooling at a constant ratio can be theThe height of the temperature maximum can be set.

Nach einer vorteilhaften Ausgestaltung der Erfindung sind an oder in der Sonde Temperaturfühler zurSteuerung der applizierten Wärmemenge angebracht
Die Erfindung wird nachfolgend anhand der Zeichnung näher erläutert
According to an advantageous embodiment of the invention, temperature sensors for controlling the amount of heat applied are attached to or in the probe
The invention is explained in more detail below with reference to the drawing

Die Zeichnung zeigt eine Querschnittsansicht einer Sonde 2 zur gezielten Applikation von Wärmeenergieauf begrenzte Gewebebezirke. Die Sonde 2 steht über ein Koaxialkabel 4 mit einer nichtgezeigten Hochfrequenzenergiequellein Verbindung. Im Inneren der Sonde 2 befinden sich zwei Antennenelektroden 6,8 undeine Kühlwasserzuleitung 10, die mit einem Kühlwassereinlauf 12 in Verbindung steht.The drawing shows a cross-sectional view of a probe 2 for the targeted application of thermal energyto limited tissue areas. The probe 2 is connected to a coaxial cable 4 with a high frequency energy source, not shownin connection. Inside the probe 2 there are two antenna electrodes 6, 8 anda cooling water supply line 10 which is connected to a cooling water inlet 12.

Nahe dem Kopf 14 der Sonde 2 gelangt Kühlwasser 16 in einen Ringraum 18 und von diesem in einenKühlwasserablaüf 20. Jeweils ein Teil der Antennenelektroden 6 und 8 liegt an der inneren Wandung 22 desSondenschafts 24 an, während der andere Teil am Mantel der Kühlwasserleitung 10 anliegt und von diesermittels ein°r Isolierung 26 getrennt ist.Near the head 14 of the probe 2, cooling water 16 passes into an annular space 18 and from this into oneKühlwasserablaüf 20. Each part of the antenna electrodes 6 and 8 lies on the inner wall 22 of theProbe shaft 24, while the other part rests on the jacket of the cooling water line 10 and from thisis separated by means of an insulation 26.

Die Sondt 2 kann in verschiedenartigste Körperhöhleneingeführt werden. Die Antennenstrahler 6 und 8 senden vorzugsweise Dezimeterwellen aus, die durchdas die Antennenelektroden 6,8 umgebende Wasser 16 auf ca. Ve ihrer Wellenlänge in Luft herabgesetztwerden. Im Gewebe beträgt die Wellenlänge ca. 8,5 cm. Anstatt der Dezimeterwellen können für besondereAnwendungsfälle auch Mikrowellen zur Anwendung gelangen. Anstatt des Wassers 16 können auch andereThe probe 2 can be used in a wide variety of body cavitiesto be introduced. The antenna radiators 6 and 8 preferably send out decimeter waves that go throughthe water 16 surrounding the antenna electrodes 6, 8 is reduced to about Ve of its wavelength in airwill. The wavelength in the tissue is approx. 8.5 cm. Instead of decimeter waves you can use for specialUse cases microwaves can also be used. Instead of the water 16, others can also be used

so Kühlmittel verwendet werden.so coolant can be used.

Durch das Verhältnis von mittels der Antennenstrahler 6, 8 eingestrahlter Wärme zu der durch Kühlungmittels des Kühlmittelstroms 16 abgeleiteten Wärme kann das Temperaturmaximum in seiner Lage imGewebe verschoben werden. Durch Variation der absoluten Beträge von durch die Strahler 6, 8abgegebener und durch Kühlung abgeleiteter Wärme kann die Höhe des Temperaturmaximums eingestelltwerden.Due to the ratio of the heat radiated by means of the antenna radiators 6, 8 to that caused by coolingby means of the coolant flow 16 dissipated heat can the temperature maximum in its position inTissues are moved. By varying the absolute amounts of through the radiators 6, 8The heat given off and dissipated by cooling can set the maximum temperaturewill.

Die Kontrolle des Temperaturfeldes erfolgt während kurzzeitiger Unterbrechung der Energieeinstrahlungdurch Messung der Oberflächentemperatur mittels Sensoren, z. B. Thermowiderständen 28.The control of the temperature field takes place during a brief interruption of the energy irradiationby measuring the surface temperature using sensors, e.g. B. Thermoresistors 28.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (2)

Translated fromGerman
Patentansprüche:Patent claims:!. Stabförmige Sonde zur gezielten Applikation von Wärmeenergie auf begrenzte Gewebebezirkedes Körpers von Lebewesen, wobei innerhalb der Sonde eine Einrichtung zur Abstrahlung elektromagnetischerStrahlung vorhanden ist, gekennzeichnet durch eine innerhalb der Sonde (2)angeordnete Kühleinrichtung (10, 12,18,20), die die dem Körper zugewandte Oberfläche der Sondekühlt.! Rod-shaped probe for the targeted application of thermal energy to limited areas of tissueof the body of living beings, with a device for emitting electromagnetic radiation within the probeRadiation is present, characterized by an inside the probe (2)arranged cooling device (10, 12,18,20), which the body facing surface of the probecools.2. Sonde nach Anspruch 1, dadurch gekennzeichnet, daß an oder in ihr Temperaturfühler (28) zurSteuerung der applizierten Wärmemenge angebracht sind.2. Probe according to claim 1, characterized in that on or in it temperature sensor (28) forControl of the applied amount of heat are attached.
DE197424075591974-02-161974-02-16 Heat probeExpiredDE2407559C3 (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
DE19742407559DE2407559C3 (en)1974-02-161974-02-16 Heat probe

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
DE19742407559DE2407559C3 (en)1974-02-161974-02-16 Heat probe

Publications (3)

Publication NumberPublication Date
DE2407559A1 DE2407559A1 (en)1975-08-28
DE2407559B2 DE2407559B2 (en)1981-04-16
DE2407559C3true DE2407559C3 (en)1982-01-21

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Family Applications (1)

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DE19742407559ExpiredDE2407559C3 (en)1974-02-161974-02-16 Heat probe

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