DE2902331A1 - Medical instrument for varicose vein treatment - has ring of crystals to concentrate ultrasonic energy on treatment zone, with focus adjustment - Google Patents

Medical instrument for varicose vein treatment - has ring of crystals to concentrate ultrasonic energy on treatment zone, with focus adjustment

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Publication number
DE2902331A1
DE2902331A1 DE19792902331 DE2902331A DE2902331A1 DE 2902331 A1 DE2902331 A1 DE 2902331A1 DE 19792902331 DE19792902331 DE 19792902331 DE 2902331 A DE2902331 A DE 2902331A DE 2902331 A1 DE2902331 A1 DE 2902331A1
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Germany
Prior art keywords
crystals
ring
focal point
treatment
medical instrument
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.)
Withdrawn
Application number
DE19792902331
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German (de)
Inventor
Gerhart Dr Med Tepohl
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Individual
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Individual
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Priority to DE19792902331 priority Critical patent/DE2902331A1/en
Publication of DE2902331A1 publication Critical patent/DE2902331A1/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42Details of probe positioning or probe attachment to the patient
    • A61B8/4272Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/4461Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00Ultrasound therapy
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/32Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00008Vein tendon strippers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/48Other medical applications
    • A61B5/4887Locating particular structures in or on the body
    • A61B5/489Blood vessels

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Surgical Instruments (AREA)

Abstract

The medical instrument for treating veins on e.g. a patient's leg, has a tubular body (2) with a ring of crystals (1) mounted inside its open bottom end. These are connected to conductors so that they are vibrated supersonically. They are arranged so that their energy is concentrated at a focal print (F) underneath, which can be below the surface of the skin. The distance of the focal point can be varied by rotating an adjusting screw (3) at the end of the tube. This forms part of a screw mechanism to raise and lower the crystals which form a parabolic mirror.

Description

Gerät zur transkutanen, unblutigen Verödung von kleinenDevice for the transcutaneous, bloodless obliteration of small ones

retikulären und Besenreiser-Varicen Zur Therapie des sog. "Erampfadernleidens", sind eine Vielzahl von unterschiedlichen Maßnahmen bekannt,die von rein konservativen, lokalen und medikamentösen Methoden über das Veröden bis hin zu operativen Maßnahmen reichen. Das Veröden von kleinen und mittleren, oberflächlichen Venen an den Beinen wird bisher in der Weise ausgeführt, daß eine die Veneninnenwand schädigende Flüssigkeit mit einer Spritze bzw. einer feinen Nadel durch die Haut in die entsprechende Ader eingebracht wird. reticular and spider vein varices For the treatment of the so-called "erice vein disease" a multitude of different measures are known, which are used by purely conservative, local and medicinal methods to sclerosing and surgical measures are sufficient. The sclerosing of small and medium-sized, superficial veins on the legs has so far been carried out in such a way that a liquid damaging the inner vein wall with a syringe or a fine needle through the skin into the corresponding vein is introduced.

Diese Behandlungsform ist insofern nachteilig, als die Haut bei der Injektion notwendigerweise verletzt wird, was für den Patienten-außer dem Schmerz noch das Risiko einer Infektion mit sich bringt. Daneben besteht für den Patienten, wie bei allen anderen Injektionen auch, noch die Gefahr des Auftretens einer allergischen Reaktion des Organismus, die bis zu Schocksymptoinen reichen kann.This form of treatment is disadvantageous in that it affects the skin Injection is necessarily injured, what for the patient-except the pain and the risk of infection. There is also for As with all other injections, the patient is still at risk of occurrence an allergic reaction of the organism, which can include symptoms of shock can.

Der Erfindung liegt somit die Aufgabe zugrunde, ein Gerät zu schaffen, welches das Veröden kleiner retikulärer sowie Besenreiservaricen transkutan, also unblutig zu verödet, Diese Aufgabe wird durch im Anspruch 1 enthaltenen Merkmale gelöst.The invention is therefore based on the object of creating a device which is the desolation of small reticular and spider veins transcutaneously, that is to be desolated bloodlessly, this task is achieved by the features contained in claim 1 solved.

Der mit Hilfe der Erfindung erzielbare Fortschritt ist in erster Linie darin zu sehen, daß nunmehr ein relativ preiswert herstellbares Gerät geschaffen wurde, welche#s auf vergleichsweise schmerzlose und ungefährliche Weise das Veröden der genannten Varicen gestattet.The advance that can be made with the aid of the invention is first and foremost to see that now a relatively inexpensive device has been created became what # s in a comparatively painless and harmless way the desolation of the mentioned varices.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und im folgenden näher beschrieben. In dieser zeigt: Fig. 1 eine perspektivische Darstellung des Gerätes in etwa in natürlicher Größe, Fig. 2 einen schematischen Schnitt durch das Gerät in einer ersten Brennpunkteinstellung, Fig. 3 eine Fig. 2 entsprechende Darstellung, die åedoch eine veränderte Brennpunkteinstellung zeigt, und Fig. 4 einen Schnitt durch das Gerät in der Nähe des Applikationsendes gemäß Linie A-B in Fig. 1.An embodiment of the invention is shown in the drawing and described in more detail below. This shows: Fig. 1 a perspective Representation of the device in approximately natural size, Fig. 2 is a schematic Section through the device in a first focus setting, Fig. 3 a Fig. 2 corresponding representation, which however shows a changed focus setting, and FIG. 4 shows a section through the device in the vicinity of the End of application according to line A-B in FIG. 1.

Die in den Fig. 1 bis 4 dargestellte Ausführungsform besitzt ein zylindrisches# Gehäuse 2, dessen eine Stlrnfläche von einem Stromzuführungskabel 4 durchsetzt-ist, während die gegenüberliegende Stirnfläche als Applikationsende 5 bezeichnet wird. Im Inneren des Gehäuses sind in der Nähe des Applikationsendes eine Vielzahl von Kristallen 1,wie in Fig. 4 dargestellt, im wesentlichen kreisringförmig angeordnet. Diese Kristalle entsprechen im. wesentlichen denwenigen Kristallen, die in bekannten Ultraschallgeräten, die zu Organsonographie oder als Dopplergeräte verwendet werden, vorgesehen sind. Diese Kristalle werden in an sich bekannter Weise zu Schwingungen im Ultraschallbereich veranlaßt. Die Vielzahl der Kristalle ist gleichgeschaltet und parabolisch angeordnet, damit sich ihre-Schallenergien in einem Brennpunkt F treffen. Es versteht sich, daß so große Schwingungsintensitäten erreicht werden müssen, daß jede Stelle in dem unter der Haut liegenden Gewebe durch die abgestrahlte und fokussierte Ultraschallenergie mit der Wirkung beaufschlagt werden kann, daß die Varicen örtlich zerstört werden können.The embodiment shown in Figs. 1 to 4 has a cylindrical # Housing 2, one face of which is penetrated by a power supply cable 4, while the opposite end face is referred to as application end 5. Inside the housing, near the end of the application, there are a large number of Crystals 1, as shown in FIG. 4, are arranged essentially in the shape of a circular ring. These crystals correspond to im. essential to the few crystals known in Ultrasound devices that are used for organ sonography or as Doppler devices, are provided. These crystals become vibrations in a manner known per se caused in the ultrasonic range. The multitude of crystals is synchronized and arranged parabolically so that their sound energies are in a focal point F meet. It goes without saying that such great vibration intensities can be achieved must ensure that every spot in the tissue under the skin is radiated by the and focused ultrasonic energy can be applied to the effect that the varices can be locally destroyed.

Innerhalb des Gerätes werden die von den Einzelkristallen 1 ausgesandten und im Brennpunkt F fokussierten Ultraschallwellen durch ein Medium geführt, welches möglichst wenig Schallenergie absorbiert. Für diesen Zweck hat sich beispielsweise Wasser als geeignet erwiesen.Within the device, those emitted by the individual crystals 1 are emitted and ultrasonic waves focused at the focal point F are guided through a medium which absorbs as little sound energy as possible. For this purpose, for example Water proven to be suitable.

Die Ortslage des Brennpunktes F ist hinsichtlich des Abstandes vom Applikatorende 5 einstellbar, Zu diesem Zweck ist im dargestellten Ausführungsbeispiel schematisch eine das Gehäuse 2 durchsetzende Stellschraube 3 dargestellt, die aa einem Ende einer Welle 6 angeordnet ist, welche an ihrem anderen Ende beispielsweise mit Hilfe eines nicht dargestellten Schneckentriebes an eine in der Gehäuselängsachse geführte Verstelleinrichtung angreift. Durch Drehen am Stellknopf 3 kann die ringförmige Anordnung von Kristallen 1 stufenlos so verstellt werden, daß der Brennpunkt F in einem Bereich von etwa 4 bis 5 mm verstellt werden kann. Der Brennpunkt F sollte zumindest in einem Abstand von 0,5 bis 5 mm vom Applikationsende 5 verstellbar sein. Es versteht sich, daß mit Hilfe der Verstelleinrichtung 3, 6 nicht nur ein einziges Kristall 1, sondern der gesamte Kristallkranz in seiner Lage und Orientierung so verändert werden kann, daß die gewünschte Brennpunkteinstellung möglich ist. Wie bereits erwähnt, sind die Kristalle 1 vorzugsweise in Gestalt eines Parabolspiegelsangeordnet, so daß sich durch Veränderung der Krümmung des (gedachten) Parabolspiegels der Brennpunkt F in der optischen Achse verschieben läßt.The location of the focal point F is in terms of the distance from Applicator end 5 adjustable, for this purpose is in the illustrated embodiment a set screw 3 penetrating the housing 2 is shown schematically, which aa one end of a shaft 6 is arranged, which at its other end, for example with the help of a worm drive, not shown, to one in the longitudinal axis of the housing Attacks guided adjustment device. By turning the adjusting knob 3, the ring-shaped Arrangement of crystals 1 can be adjusted continuously so that the focal point F in can be adjusted in a range of about 4 to 5 mm. The focal point F should be adjustable at least at a distance of 0.5 to 5 mm from the application end 5. It goes without saying that with the help of the adjusting device 3, 6 not just a single one Crystal 1, but the entire crystal ring in its position and orientation like this can be changed so that the desired focus setting is possible. As already mentioned, the crystals 1 are preferably arranged in the form of a parabolic mirror, so that by changing the curvature of the (imaginary) parabolic mirror, the focal point F can be moved in the optical axis.

Claims (6)

Pat entansprüche f Gerät zum Veröden kleiner retikulärer und Besenreiser-Varicen, dadurch g e k e n n z e i c h n e t , daß in einem Gehäuse (2) Ultraschall emittierende Kristalle (1) so angeordnet sind, daß ihre abgestrahlten Ultraschallwellen in einem außerhalb des Gehäuses liegenden Brennpunkt (F) fokussierbar sind. Patent claims for a device for sclerosing small reticular and spider vein varices, in that it emits ultrasound in a housing (2) Crystals (1) are arranged so that their emitted ultrasonic waves in one focal point (F) lying outside the housing can be focused. 2. Gerät nach Anspruch 1, dadurch g e k e n n z e i c h -n e t , daß die Ortslage des Brennpunkts (F) veränderbar ist.2. Apparatus according to claim 1, characterized in that g e k e n n z e i c h -n e t that the location of the focal point (F) can be changed. 3. Gerät nach Anspruch 1 oder 2, dadurch g e k e n n -z e i c h n e t , daß der Abstand des Brennpunktes (F) vom Applikationsende (5) des Gehäuses (2) veränderbar ist.3. Apparatus according to claim 1 or 2, characterized in that g e k e n n -z e i c h n e t that the distance of the focal point (F) from the application end (5) of the housing (2) is changeable. 4. Gerät nach Anspruch 2 oder 3, dadurch g e k e n n -z e i c h n et , daß der Abstand des Brennpunktes (F) vom Applikationsende (5) stufenlos entlang der optischen Achse des Gerätes veränderbar ist.4. Apparatus according to claim 2 or 3, characterized in that g e k e n n -z e i c h n et that the distance of the focal point (F) from the application end (5) along continuously the optical axis of the device can be changed. 5. Gerät nach einem der Ansprüche 1 bis 4, dadurch g e -k e n n z e i c h n e t , daß die Kristalle (1) ringförmig um die wellenoptische Achse des Gerätes angeordnet sind.5. Device according to one of claims 1 to 4, characterized in that g e -k e n n z e i c h n e t that the crystals (1) are ring-shaped around the wave-optical axis of the Device are arranged. 6. Gerät nach einem der Ansprüche 1 bis 6, dadurch g e -k e n n z e i c h n e t , daß die Kristalle (1) in Form eines Parabolspiegels mit einem Brennpunkt (F) im Gehäuse (2) angeordnet sind.6. Device according to one of claims 1 to 6, characterized in that g e -k e n n z e i c h n e t that the crystals (1) in the form of a parabolic mirror with a focal point (F) are arranged in the housing (2).
DE19792902331 1979-01-22 1979-01-22 Medical instrument for varicose vein treatment - has ring of crystals to concentrate ultrasonic energy on treatment zone, with focus adjustment Withdrawn DE2902331A1 (en)

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Application Number Priority Date Filing Date Title
DE19792902331 DE2902331A1 (en) 1979-01-22 1979-01-22 Medical instrument for varicose vein treatment - has ring of crystals to concentrate ultrasonic energy on treatment zone, with focus adjustment

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DE19792902331 DE2902331A1 (en) 1979-01-22 1979-01-22 Medical instrument for varicose vein treatment - has ring of crystals to concentrate ultrasonic energy on treatment zone, with focus adjustment

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DE2902331A1 true DE2902331A1 (en) 1980-07-31

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119295A1 (en) * 1981-05-14 1982-12-16 Siemens AG, 1000 Berlin und 8000 München DEVICE FOR DESTROYING CONCRETE IN BODIES
DE3328039A1 (en) * 1983-08-03 1985-02-21 Siemens AG, 1000 Berlin und 8000 München Crushing device for concrements in the body of a living being
US4674505A (en) * 1983-08-03 1987-06-23 Siemens Aktiengesellschaft Apparatus for the contact-free disintegration of calculi
US4947830A (en) * 1988-02-16 1990-08-14 Siemens Aktiengesellschaft Shock wave generator for extracorporeal lithotripsy
FR2672486A1 (en) * 1991-02-11 1992-08-14 Technomed Int Sa Ultrasound apparatus for extracorporeal therapeutic treatment of superficial varicose veins
WO1999033520A1 (en) * 1997-12-29 1999-07-08 Klopotek Peter J Method and apparatus for therapeutic treatment of skin with ultrasound
WO2000015300A1 (en) * 1998-09-16 2000-03-23 Ultra Cure Ltd. Method for peeling of epithelial tissue and apparatus and system for use therefor
EP1028660A1 (en) * 1997-10-31 2000-08-23 The University Of Washington Method and apparatus for medical procedures using high-intensity focused ultrasound
US6206843B1 (en) 1999-01-28 2001-03-27 Ultra Cure Ltd. Ultrasound system and methods utilizing same
WO2000044442A3 (en) * 1999-01-28 2001-11-29 Ultra Cure Ltd An ultrasound system and methods utilizing same
EP1229820A2 (en) * 1999-09-10 2002-08-14 Transurgical, Inc. Occlusion of tubular anatomical structures by energy application
EP1466648A1 (en) * 2001-12-17 2004-10-13 Chongqing Haifu (Hifu) Technology Co., Ltd. Ultrasonic treatment device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119295A1 (en) * 1981-05-14 1982-12-16 Siemens AG, 1000 Berlin und 8000 München DEVICE FOR DESTROYING CONCRETE IN BODIES
DE3328039A1 (en) * 1983-08-03 1985-02-21 Siemens AG, 1000 Berlin und 8000 München Crushing device for concrements in the body of a living being
US4674505A (en) * 1983-08-03 1987-06-23 Siemens Aktiengesellschaft Apparatus for the contact-free disintegration of calculi
US4947830A (en) * 1988-02-16 1990-08-14 Siemens Aktiengesellschaft Shock wave generator for extracorporeal lithotripsy
FR2672486A1 (en) * 1991-02-11 1992-08-14 Technomed Int Sa Ultrasound apparatus for extracorporeal therapeutic treatment of superficial varicose veins
EP1028660A4 (en) * 1997-10-31 2006-03-29 Univ Washington Method and apparatus for medical procedures using high-intensity focused ultrasound
EP1028660A1 (en) * 1997-10-31 2000-08-23 The University Of Washington Method and apparatus for medical procedures using high-intensity focused ultrasound
WO1999033520A1 (en) * 1997-12-29 1999-07-08 Klopotek Peter J Method and apparatus for therapeutic treatment of skin with ultrasound
WO2000015300A1 (en) * 1998-09-16 2000-03-23 Ultra Cure Ltd. Method for peeling of epithelial tissue and apparatus and system for use therefor
WO2000044442A3 (en) * 1999-01-28 2001-11-29 Ultra Cure Ltd An ultrasound system and methods utilizing same
US6206843B1 (en) 1999-01-28 2001-03-27 Ultra Cure Ltd. Ultrasound system and methods utilizing same
EP1229820A2 (en) * 1999-09-10 2002-08-14 Transurgical, Inc. Occlusion of tubular anatomical structures by energy application
EP1229820A4 (en) * 1999-09-10 2008-07-23 Prorhythm Inc Occlusion of tubular anatomical structures by energy application
EP1466648A1 (en) * 2001-12-17 2004-10-13 Chongqing Haifu (Hifu) Technology Co., Ltd. Ultrasonic treatment device
EP1466648A4 (en) * 2001-12-17 2007-08-01 Chongqing Haifu Hifu Tech Co Ultrasonic treatment device

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