WO1998008443A1 - Device for the performing of doppler examinations on leg veins - Google Patents

Device for the performing of doppler examinations on leg veins Download PDF

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Publication number
WO1998008443A1
WO1998008443A1 PCT/DE1997/001902 DE9701902W WO9808443A1 WO 1998008443 A1 WO1998008443 A1 WO 1998008443A1 DE 9701902 W DE9701902 W DE 9701902W WO 9808443 A1 WO9808443 A1 WO 9808443A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
cuff band
closure
doppler
veins
Prior art date
Application number
PCT/DE1997/001902
Other languages
German (de)
French (fr)
Inventor
Dierk Steinmann
Original Assignee
Technische Universität Dresden
Holtsch Medizinprodukte 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 Technische Universität Dresden, Holtsch Medizinprodukte Gmbh filed Critical Technische Universität Dresden
Priority to EP97942760A priority Critical patent/EP0879019A1/en
Publication of WO1998008443A1 publication Critical patent/WO1998008443A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281—Details 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4209—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
    • A61B8/4227—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames characterised by straps, belts, cuffs or braces

Definitions

  • the invention relates to a device for performing Doppler examinations on leg veins in human medicine, consisting of a pinching device using a ring.
  • a constriction device for carrying out congestion effects on body parts.
  • the device consists of a band for forming a loop by means of a lock housing, through which the loop can be contracted and locked in the contracted state.
  • At least one narrow rib of limited length running parallel to the edge of the band is arranged on the surface of the loop facing the body part in the area of the loop, the lower edge profile of which, viewed in view, runs inward in an arc shape.
  • the constriction device serves to keep localized areas with limited area on the body part under constriction and congestion, while the other parts on the circumference of the body part, which are also covered by the loop, still allow blood to pass through the vessels, in order to prevent the constricted part To supply the body part with fresh blood.
  • a Doppier signal can be used to determine whether venous valves within the perforating veins can prevent retrograde blood flow - from the deep to the superficial venous system.
  • the disadvantage of an examination using a single ring is that two hands are not sufficient for the examination. One hand holds the ring in the area of the perforating vein, the second positions the Doppler head over this vein, a third hand operates the Doppler apparatus. The latter activity is carried out either by auxiliary staff or by an expensive pedal system. Subsequently, compression is manually exerted on the leg muscles distal and proximal to the examination site, which until now could only be accomplished by auxiliary personnel.
  • the object of the invention is to provide a device of the type mentioned at the outset with which the superficial veins can be compressed in a ring-shaped manner, this ring-shaped compression being able to be generated, canceled and carried out again quickly and easily in another place without effort.
  • the design of the device should be as inexpensive as possible and in implementation no additional personnel are required for the Doppler examination.
  • a ring of a certain size is connected to an elastic - optionally fixed - cuff band.
  • Means on the ring and / or cuff band serve to loosen and tighten the cuff band.
  • a releasable closure as known from EP 0 566 036 AI, is advantageously provided, with which the cuff band can be loosened slightly and quickly repositioned at another location.
  • FIG. 1 shows a device according to the invention with a ring
  • the device according to FIG. 1 consists essentially of a ring 1, a closure 2, 3 and a cuff band 4.
  • the ring 1 is designed such that it can be connected to the cuff band 4 on one side.
  • the ring 1 forms the closure part 2, into which the closure part 3 can snap.
  • connection (the closure 2, 3) between the cuff band 4 and the ring 1 can be released by means of a button 6.
  • the pressure exerted by the cuff band 4 is individually adjusted via a mechanism 5.
  • the device can be effortlessly moved to a new location in order to be tightened there again.
  • the closure 2, 3 with mechanism 5 and button 6 is advantageously designed as described in EP 0 566 036 AI.
  • the cuff band 4 can thus be relaxed and opened with only one button 6. With the first actuation, the flexible cuff band 4 is relaxed, only then can the cuff band 4 be opened with the same button 6. This results in a low risk of injury for patient and user.
  • a ring is shown, which has an elliptical shape, and the diameter of the area lying on the skin is 1.5 mm. Smaller diameters cause pain in various patents. The elliptical ring shape has proven to be particularly favorable for very slim cuffs.

Abstract

The invention relates to a device for the performing of Doppler examinations of leg veins with a cuff-shaped belt (4) which encloses the leg by means of a fastening device (2, 3, 5) through which the belt can be loosened or tightened, and a ring (1) which is joined to the belt (4) at two opposite points or so designed that it engages into the fastening device (3), whereby the ring (1) provides annular compression of the surface veins when the belt is tightened. This device enables Doppler examinations to be carried out with less force. The examination becomes more precise and thereby more elegant. In addition, the device requires simply the use of an inexpensive bi-directional Doppler.

Description

Vorrichtung zur Durchführung von Doppleruntersuchungen an BeinvenenDevice for performing Doppler examinations on leg veins
Die Erfindung betrifft eine Vorrichtung zur Durchführung von Doppleruntersuchungen an Beinvenen in der Humanmedizin, bestehend aus einer Abschnürvorrichtung unter Verwendung eines Ringes .The invention relates to a device for performing Doppler examinations on leg veins in human medicine, consisting of a pinching device using a ring.
Aus der DE 30 30 251 AI ist eine Abschnürvorrichtung zur Durchführung von Staueffekten an Körperteilen bekannt. Die Vorrichtung besteht aus einem Band zur Bildung einer Schlinge mittels eines Schloßgehäuses, durch das die Schlinge zusammenziehbar und im zusammengezogenen Zustand arretierbar ist. An dem Band ist an seiner dem Körperteil zugekehrten Fläche im Bereich der Schlinge mindestens eine parallel zur Bandkante verlaufende schmale Rippe begrenzter Länge angeordnet, deren unterer Kantenverlauf - in Ansicht gesehen - einwärts bogenförmig verläuft. Die Abschnürvorrichtung dient dazu, örtliche Stellen mit begrenztem Bereich am Körperteil unter Abschnürung und Stauwirkung zu halten, während die anderen Teile am Umfang des Körperteils, die von der Schlinge mit erfaßt werden, einen Durchgang des Blutes durch die Gefäße noch zulassen, um somit den abgeschnürten Körperteil mit frischem Blut zu versorgen.From DE 30 30 251 AI a constriction device for carrying out congestion effects on body parts is known. The device consists of a band for forming a loop by means of a lock housing, through which the loop can be contracted and locked in the contracted state. At least one narrow rib of limited length running parallel to the edge of the band is arranged on the surface of the loop facing the body part in the area of the loop, the lower edge profile of which, viewed in view, runs inward in an arc shape. The constriction device serves to keep localized areas with limited area on the body part under constriction and congestion, while the other parts on the circumference of the body part, which are also covered by the loop, still allow blood to pass through the vessels, in order to prevent the constricted part To supply the body part with fresh blood.
Für die Untersuchung der Perforansvenen am Unterschenkel, die das venöse Blut vom oberflächlichen in das tiefe Venensystem ableiten, ist ebenfalls ein Abschnüren der oberflächlichen Venen mittels eines Ringes oder zweier Abschnürvorrichtungen notwendig. Durch eine manuelle Kompression der Muskulatur distal und proximal der Perforansvene ist über ein Doppier-Signal festzustellen, ob Venenklappen innerhalb der Perforansvenen den retrograden Blutfluß - vom tiefen ins oberflächliche Venensystem - verhindern können . Nachteil der Untersuchung mittels eines alleinigen Ringes ist, daß zwei Hände für die Untersuchung nicht ausreichen. Die eine Hand hält den Ring im Bereich der Perforansvene fest, die zweite positioniert den Dopplerkopf über dieser Vene, eine Dritte Hand bedient den Dopplerapparat. Die zuletzt genannte Tätigkeit wird entweder vom Hilfspersonal oder von einem kostenaufwendigen PedalSystem übernommen. Anschließend wird manuell jeweils distal und proximal der Untersuchungsstelle an der Beinmuskulatur eine Kompression ausgeübt, die bislang nur durch Hilfspersonal zu bewerkstelligen ist.For the examination of the perforating veins on the lower leg, which lead the venous blood from the superficial into the deep venous system, it is also necessary to pinch off the superficial veins using a ring or two pinching devices. By manual compression of the muscles distal and proximal to the perforating vein, a Doppier signal can be used to determine whether venous valves within the perforating veins can prevent retrograde blood flow - from the deep to the superficial venous system. The disadvantage of an examination using a single ring is that two hands are not sufficient for the examination. One hand holds the ring in the area of the perforating vein, the second positions the Doppler head over this vein, a third hand operates the Doppler apparatus. The latter activity is carried out either by auxiliary staff or by an expensive pedal system. Subsequently, compression is manually exerted on the leg muscles distal and proximal to the examination site, which until now could only be accomplished by auxiliary personnel.
Nachteil der Untersuchungsmet ode mittels zweier Abschnürvorrichtungen ist die zeitaufwendigere Handhabung und die ungenaueren Un t e r s u c hung s e r gebn i s s e . Die zwei Abschnürvorrichtungen können nicht ringförmig die oberflächlichen Venen komprimieren, sondern nur jeweils distal und kranial . Daher besteht die Gefahr, daß bei der manuellen Muskelkompression das Dopplersignal fälschlicherweise durch das retrograde Strömen des Blutes durch insuffiziente Klappen des seitlich nicht abgebundenen oberflächlichen Venensystem beeinflußt wird. Desweiteren ist der Untersuchungsvorgang umständlich, da zwei Abschnürvorrichtungen jeweils von einer Perforansvene zur nächsten verschoben und mit einem bestimmten Abstand zur untersuchten Vene exakt positioniert werden müssen.Disadvantages of the examination method using two pinch-off devices are the more time-consuming handling and the less precise results of the results. The two constriction devices cannot compress the superficial veins in a ring shape, but only distally and cranially. There is therefore a risk that, in manual muscle compression, the Doppler signal will be erroneously influenced by the retrograde flow of blood due to inadequate flaps of the superficial venous system that is not tied off laterally. Furthermore, the examination procedure is cumbersome, since two constriction devices have to be shifted from one perforating vein to the next and positioned exactly at a certain distance from the examined vein.
Die Aufgabe der Erfindung besteht darin, eine Vorrichtung der eingangs genannten Art anzugeben, mit der die oberflächlichen Venen ringförmig komprimiert werden können, wobei diese ringförmige Komprimierung ohne Kraftaufwand auf möglichst einfache Weise erzeugt, aufgehoben und an anderer Stelle schnell wieder vorgenommen werden kann. Die Vorrichtung soll in ihrer Ausführung möglichst preisgünstig sein und bei der Durchführung der Doppleruntersuchung kein zusätzliches Personal erfordern.The object of the invention is to provide a device of the type mentioned at the outset with which the superficial veins can be compressed in a ring-shaped manner, this ring-shaped compression being able to be generated, canceled and carried out again quickly and easily in another place without effort. The design of the device should be as inexpensive as possible and in implementation no additional personnel are required for the Doppler examination.
Die Aufgabe wird mit den im Anspruch 1 genannten Merkmalen gelöst. Vorteilhafte Weiterbildungen und Ausgestaltungen sind Gegenstand von Unteransprüchen.The object is achieved with the features mentioned in claim 1. Advantageous further developments and refinements are the subject of dependent claims.
Erfindungsgemäß wird ein Ring einer bestimmten Größe mit einem elastischen - wahlweise festen - Manschettenband verbunden. Mittel an Ring und/oder Manschettenband dienen zur Lockerung und Straffung des Manschettenbandes. Mit dieser Lösung wird eine gleichmäßige, ringförmige Komprimierung des oberflächlichen Venensystem in unmittelbarer Nachbarschaf der Perforansvene gewährleistet .According to the invention, a ring of a certain size is connected to an elastic - optionally fixed - cuff band. Means on the ring and / or cuff band serve to loosen and tighten the cuff band. This solution ensures a uniform, ring-shaped compression of the superficial venous system in the immediate vicinity of the perforating vein.
Vorteilhaft wird ein lösbarer Verschluß, wie aus EP 0 566 036 AI bekannt, vorgesehen, mit dem das Manschettenband leicht gelockert und an einer anderen Stelle rasch erneut positioniert werden kann .A releasable closure, as known from EP 0 566 036 AI, is advantageously provided, with which the cuff band can be loosened slightly and quickly repositioned at another location.
Dadurch, daß das Manschettenband den Ring stabil an einer Stelle hält, ist eine Hand für die Bedienung des Dopplerapparates und für die anschließende Muskelkompression freigeworden. Die Anschaffung eines zusätzlichen Pedalsystems wird somit überflüssig.Because the cuff band holds the ring stable in one place, one hand is free for operating the Doppler apparatus and for the subsequent muscle compression. The purchase of an additional pedal system is therefore unnecessary.
Weitere Vorteile der erfindungsgemäßen Vorrichtung bestehen darin, daß die Doppleruntersuchung mit weniger Kraft durchgeführt werden kann, die Untersuchung daher präziser und somit eleganter wird. Der Einsatz der erfindungsgemäßen Vorrichtung erfordert lediglich die Verwendung eines preiswerten bidirektionalen Dopplerε . Die Erfindung wird nachfolgend an zwei Ausführungsbeispielen näher erläutert. In der Zeichnuneng zeigen:Further advantages of the device according to the invention are that the Doppler examination can be carried out with less force, and the examination is therefore more precise and therefore more elegant. The use of the device according to the invention only requires the use of an inexpensive bidirectional Doppler. The invention is explained in more detail below using two exemplary embodiments. Show in the drawing:
Fig. 1 eine erfindungsgemäße Vorrichtung mit Ring,1 shows a device according to the invention with a ring,
Manschettenband und Verschluß Fig. 2 eine erfindungsgemäße Vorrichtung mit elliptischerCuff band and closure Fig. 2 an inventive device with an elliptical
Ringform und Verschluß gemäß EP 0 566 036 AI.Ring shape and closure according to EP 0 566 036 AI.
Die Vorrichtung gemäß der Fig. 1 besteht im wesentlichen aus einem Ring 1, einem Verschluß 2,3 und einem Manschettenband 4. Der Ring 1 ist so ausgebildet, daß er an einer Seite mit dem Manschettenband 4 verbunden werden kann. An der gegenüberliegenden Seite bildet der Ring 1 den Verschlußteil 2, in den das Verschlußteil 3 einrasten kann.The device according to FIG. 1 consists essentially of a ring 1, a closure 2, 3 and a cuff band 4. The ring 1 is designed such that it can be connected to the cuff band 4 on one side. On the opposite side, the ring 1 forms the closure part 2, into which the closure part 3 can snap.
Die Verbindung (der Verschluß 2,3) zwischen dem Manschettenband 4 und dem Ring 1 kann mittels einer Taste 6 gelöst werden. Der durch das Manschettenband 4 ausgeübte Druck wird über einen Mechanismus 5 individuell angepaßt. Über diesen kann infolge der Lockerung des Manschettenbandes 4 die Vorrichtung mühelos an einen neuen Ort verschoben werden, um dort wieder festgezogen zu werden.The connection (the closure 2, 3) between the cuff band 4 and the ring 1 can be released by means of a button 6. The pressure exerted by the cuff band 4 is individually adjusted via a mechanism 5. As a result of the loosening of the cuff band 4, the device can be effortlessly moved to a new location in order to be tightened there again.
Gemäß der Fig. 2 ist der Verschluß 2,3 mit Mechanismus 5 und Taste 6 vorteilhaft so ausgebildet, wie in der EP 0 566 036 AI beschrieben. Damit kann das Entspannen und Öffnen des Manschettenbandes 4 mit nur einer Taste 6 bewirkt werden. Bei der ersten Betätigung wird das flexible Manschettenband 4 entspannt, erst dann kann das Manschettenband 4 mit der gleichen Taste 6 geöffnet werden. Damit wird ein geringes Verletzungrisiko für Patient und Anwender erreicht. In der Fig. 2 ist ein Ring dargestellt, der eine elliptische Form besitzt, und dessen Durchmesser des auf der Haut liegenden Bereiches 1,5 mm beträgt. Geringere Durchmesser führen bei verschiedenen Patenten zu Schmerzen. Die elliptische Ringform hat sich bei sehr schlanken Fesseln als besonders günstig erwiesen.According to FIG. 2, the closure 2, 3 with mechanism 5 and button 6 is advantageously designed as described in EP 0 566 036 AI. The cuff band 4 can thus be relaxed and opened with only one button 6. With the first actuation, the flexible cuff band 4 is relaxed, only then can the cuff band 4 be opened with the same button 6. This results in a low risk of injury for patient and user. In Fig. 2 a ring is shown, which has an elliptical shape, and the diameter of the area lying on the skin is 1.5 mm. Smaller diameters cause pain in various patents. The elliptical ring shape has proven to be particularly favorable for very slim cuffs.
Nachdem der Ring 1 mit Verschluß 2,3 und Manschettenband 4 an der zu untersuchenden Stelle (Perforansvenen) unter Druck anliegt, wird ein bidirektionaler Doppier in die von dem Ring 1 umschlossene Fläche aufgesetzt und die Doppleruntersuchung vorgenommen . After the ring 1 with the closure 2, 3 and the cuff band 4 rests under pressure at the point to be examined (perforating veins), a bidirectional doubler is placed in the area enclosed by the ring 1 and the Doppler examination is carried out.

Claims

Patentansprüche claims
1. Vorrichtung zur Durchführung von Doppleruntersuchung an Beinvenen mit einem Manschettenband (4) zur Umschlingung des Beines mittels eines Verschlusses (2,3,5), durch den das Manschettenband (4) gelockert oder gestrafft werden kann, und einem Ring (1) , bei der der Ring (1) an zwei gegenüberliegenden Stellen mit dem Manschettenband (4) verbunden ist, oder der Ring an einer Seite (2) so ausgebildet ist, das er in den Verschluß (3) einrastet, wobei der Ring (1) durch Straffen des Manschettenbandes (4) die oberflächlichen Venen ringförmig komprimiert.1. Device for performing Doppler examination on leg veins with a cuff band (4) for looping around the leg by means of a closure (2, 3, 5) through which the cuff band (4) can be loosened or tightened, and a ring (1), in which the ring (1) is connected to the cuff band (4) at two opposite points, or the ring on one side (2) is designed such that it snaps into the closure (3), the ring (1) passing through Tightening the cuff band (4) compresses the superficial veins in a ring.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß für wenigstens eine Verbindung zwischen Ring (1) und Manschettenband (4) ein lösbarer Verschluß (2,3) vorgesehen ist .2. Device according to claim 1, characterized in that a releasable closure (2, 3) is provided for at least one connection between the ring (1) and cuff band (4).
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Ring (1) starr oder flexibel ist und einen Durchmesser von 3 bis 8 cm aufweist .3. Device according to claim 1 or 2, characterized in that the ring (1) is rigid or flexible and has a diameter of 3 to 8 cm.
4. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Ring (1) eine elliptische Form aufweist und der Ringquerschnitt etwa 1,5 mm beträgt.4. Apparatus according to claim 1 or 2, characterized in that the ring (1) has an elliptical shape and the ring cross section is approximately 1.5 mm.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Manschettenband (4) aus flexiblen oder dehnbaren Material besteht . 5. Device according to one of claims 1 to 4, characterized in that the cuff band (4) consists of flexible or stretchable material.
6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das ein Teil des Verschlusses (3) durch einen auf dem Manschettenband (4) verschiebaren Mechanismus6. Device according to one of claims 1 to 5, characterized in that the part of the closure (3) by a on the cuff band (4) displaceable mechanism
(5) mit diesem verbunden ist, so daß eine Lockerung oder Straffung des Manschettenbands (4) während der Umschlingung ermöglicht wird.(5) is connected to this, so that a loosening or tightening of the cuff band (4) is made possible during the wrapping.
7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Verschluß (2,3) durch einen Taste7. Device according to one of claims 1 to 6, characterized in that the closure (2,3) by a button
( 6 ) lösbar ist .(6) is detachable.
Hierzu 2 Blatt Zeichnungen Two sheets of drawings
PCT/DE1997/001902 1996-08-31 1997-08-29 Device for the performing of doppler examinations on leg veins WO1998008443A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97942760A EP0879019A1 (en) 1996-08-31 1997-08-29 Device for the performing of doppler examinations on leg veins

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29615171.8 1996-08-31
DE29615171U DE29615171U1 (en) 1996-08-31 1996-08-31 Device for the Doppler examination of the leg veins in humans

Publications (1)

Publication Number Publication Date
WO1998008443A1 true WO1998008443A1 (en) 1998-03-05

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PCT/DE1997/001902 WO1998008443A1 (en) 1996-08-31 1997-08-29 Device for the performing of doppler examinations on leg veins

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EP (1) EP0879019A1 (en)
DE (1) DE29615171U1 (en)
WO (1) WO1998008443A1 (en)

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DE102005012655A1 (en) * 2005-03-18 2006-09-28 Siemens Ag Ultrasonic device for use in ultrasonic computed tomography device, has transducer device with ultrasonic transducers and formed according to type of flexible, positive-fit sleeve attached to circumference of body treated with ultrasonic

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JP7238260B2 (en) * 2018-03-19 2023-03-14 オムロンヘルスケア株式会社 Biological information measuring device

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US2936759A (en) * 1957-09-03 1960-05-17 Joseph L Yuhas Tourniquet
US4314568A (en) * 1980-01-11 1982-02-09 Baxter Travenol Laboratories, Inc. Vascular stabilizer
DE3030251A1 (en) 1980-08-09 1982-03-11 Prämeta Präzisionsmetall- u. Kunststofferzeugnisse G. Baumann & Co, 5000 Köln TIE DEVICE FOR CARRYING STOCK EFFECTS ON BODY PARTS
WO1992014410A1 (en) * 1991-02-23 1992-09-03 Prämeta Gesellschaft Für Präzisionsmetall- Und Kunststofferzeugnisse Mbh & Co. Kg Constriction device for reducing the blood flow in parts of the body
US5167630A (en) * 1991-09-26 1992-12-01 Paul Kamaljit S Blood vessel cannulation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936759A (en) * 1957-09-03 1960-05-17 Joseph L Yuhas Tourniquet
US4314568A (en) * 1980-01-11 1982-02-09 Baxter Travenol Laboratories, Inc. Vascular stabilizer
DE3030251A1 (en) 1980-08-09 1982-03-11 Prämeta Präzisionsmetall- u. Kunststofferzeugnisse G. Baumann & Co, 5000 Köln TIE DEVICE FOR CARRYING STOCK EFFECTS ON BODY PARTS
WO1992014410A1 (en) * 1991-02-23 1992-09-03 Prämeta Gesellschaft Für Präzisionsmetall- Und Kunststofferzeugnisse Mbh & Co. Kg Constriction device for reducing the blood flow in parts of the body
US5167630A (en) * 1991-09-26 1992-12-01 Paul Kamaljit S Blood vessel cannulation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005012655A1 (en) * 2005-03-18 2006-09-28 Siemens Ag Ultrasonic device for use in ultrasonic computed tomography device, has transducer device with ultrasonic transducers and formed according to type of flexible, positive-fit sleeve attached to circumference of body treated with ultrasonic
DE102005012655B4 (en) * 2005-03-18 2008-11-06 Siemens Ag ultrasound machine

Also Published As

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DE29615171U1 (en) 1996-10-24
EP0879019A1 (en) 1998-11-25

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