DE1566068B1 - Katheter zum Loesen und Entfernen von Steinen u.dgl. Fremdkoerpern aus Koerperhoehlen - Google Patents
Katheter zum Loesen und Entfernen von Steinen u.dgl. Fremdkoerpern aus KoerperhoehlenInfo
- Publication number
- DE1566068B1 DE1566068B1 DE19671566068 DE1566068A DE1566068B1 DE 1566068 B1 DE1566068 B1 DE 1566068B1 DE 19671566068 DE19671566068 DE 19671566068 DE 1566068 A DE1566068 A DE 1566068A DE 1566068 B1 DE1566068 B1 DE 1566068B1
- Authority
- DE
- Germany
- Prior art keywords
- basket
- foreign bodies
- umbrella
- loosening
- stones
- 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- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0125—Catheters carried by the bloodstream, e.g. with parachutes; Balloon catheters specially designed for this purpose
Description
Die Erfindung betrifft einen in Körperhöhlen ein- Es zeigt
führbaren Katheter zum Lösen und Entfernen von . .Fig. 1 eine teilweise "weggebrochene Seitenansicht
Steinen und dergleichen Fremdkörpern aus dem GaI- einer beispielhaften Ausführungsform eines in eine
len- und dem Harnsystem des Körpers sowie aus Körperhöhle einführbaren schirmartigen chiruranderen
Körperhöhlen und -durchgängen, wobei es 5 gischen Geräts mit den Merkmalen der Erfindung
unerheblich ist, ob diese Fremdkörper das Ergebnis mit geschlossenem Schirm,
eines Krankheitsverlaufs oder eines chirurgischen F i g. 2 einen Schnitt längs der Linie 2-2 in F i g. 1,
Eingriffs, wie einer Endarteritis-Entfernung, sind. in vergrößertem Maßstab,
Für diesen Zweck sind bereits zahlreiche in Kör- Fig. 3 eine Fig. 1 ähnelnde Seitenansicht mit ge-
perhöhlen oder -Öffnungen einführbare chirurgische io öffnetem Schirm und
Geräte vorgeschlagen worden. Einige dieser Gerate Fig. 4 einen Schnitt längs der Linie4-4 in Fig. 3,
sind so ausgebildet, daß der Stein mittels einer mit in vergrößertem Maßstab.
Ziehschnur versehenen Schlinge erfaßt wird, während In der folgenden Beschreibung ist das in den Körandere
korkenzieherförmige Gestalt besitzen, nach perdurchgang bzw. -Öffnung einzuführende Ende des
Art eines Schmetterlingsnetzes aufgebaut sind 15 Geräts als dessen »Innenende« und das diesem gegen-(deutsche
Patentschrift 25 796) oder gekrümmte überliegende, in den Händen des Operateurs verDrähte
aufweisen, die einen Korb oder, einen Käfig bleibende Ende des Geräts als dessen »Außenende«
bilden (deutsche Auslegeschrift 1095 457, franzo- bezeichnet.
sische Patentschrift 1 197 808). Das Entfernen eines Bei der in den Figuren dargestellten Ausführungs-
Steins mit Hilfe derartiger Geräte ist ein langsamer 20 form der Erfindung ist das Außenende eines bieg-
und mühseliger Vorgang, da bei diesen bekannten samen Kunststoffrohrs 10 an seinem Außenumfang
Geräten keine Einrichtungen zum Erfassen und Fest- mit einer vom Operateur erfaßbaren Handhabe 11
halten des Steins vorgesehen sind, so daß die Steine versehen. In diesem Rohr 10 ist ein an seinem Außenaus
der Schlinge bzw. dem Drahtkorb herausrutschen ende eine Handhabe 13 aufweisender Schirmkönnen
und sich auch mit Hilfe der korb- oder käfig- as Steuerdraht 12 gleitfähig geführt, dessen Innenende
förmigen Geräte nicht zurückhalten lassen. Aus die- mit einem Gleitstück 15 verbunden ist.
sem Grund ist es wünschenswert, ein zwangläufig Gemäß F i g. 3 weist ein Schirmrahmen 20 mehrere
arbeitendes Gerät zum Erfassen und Festhalten des ·: aus Federdrähten bestehende Stege 21 auf, die in
Steins zu schaffen, so daß derselbe schnell und ohne . ungespanntem Zustand die Bogenform gemäß F i g. 3
längere Einführung und Handhabung des Instruments' 30 einnehmen. Die konvergierenden Außenenden dieser
und ohne Verletzung des den Stein enthaltenden Ge- Drahte sind mit dem Gleitstück 15 verbunden, wähfäßes
bzw. Durchgangs entfernt werden kann. rend die Innenenden mit einer Spitze 25 verbunden
Aufgabe der Erfindung ist mithin die Schaffung sind, die gewünschtenfalls auch größere Länge als die
eines verbesserten ehirurgischdn Geräts zum Lockern dargestellte besitzen kann.
und Entfernen von Steinen und sonstigen Belag- 35. Ein aus einem biegsamen bzw. flexiblen Werkstoff,
stücken aus dem Gallen- und dem Harnsystem so- wie einem gießbaren elastomeren Kunststoff, bewie
aus anderen Körperhöhlen und -durchgängen. stehender Schirm 30 weist in seinem Mittelpunkt ein
Diese Aufgabe wird bei einem Katheter zum Lö- dünnes Vorderende 31 auf, das sich an die Spitze 25
sen und Entfernen von Steinen und dergleichen anschließen, mit dieser verbunden oder einstückig
Fremdkörpern aus Körperhöhlen mittels eines aus 40 ausgebildet sein kann. Gemäß Fig. 4 weist der
Drähten gebildeten, schirmförmig endenden Spreiz- Schirm verdickte Längsabschnitte 32 auf, die Rippen
korbs, der am Ende; eines biegsamen, mit Innen- bilden, welche um die Stege 21 herumgegossen und
strang und Handhaben versehenen Rohrs in einem mit diesen verbunden sind. Der Schirm erstreckt sich
Gleitstück befestigt ist, erfindungsgemäß dadurch ge- in Auswärtsrichtung bis zu einer am größten
löst, daß der schirmförmige ,,Vorderteil des Spreiz- 45 Durchmesser des Schirmrahmens 20 liegenden, verkorbs
bis zu seinem größten Durchmesser mit einer. hältnismäßig schmalen Schabekante 33.
elastischen Außenhaut mit abschließendem Schabe- Um den Schirm 30 zu schließen, wird die Steuerrand
bezogen ist. draht-Handhabe 13 aus dem Rohr 10 herausgezogen,
Bei Anwendung dieses Katheters wird der Spreiz- bis das freiliegende Stück des Schirmrahmens 20 gekorb
in geschlossenem .Zustand bis hinter die Stelle 5° ·maß Fig. 1 in das Rohr 10 hineingezogen worden ist.
in die Körperöffnung eingeführt, an welcher sich die Bei in dieser Stellung befindlichen Teilen kann die
zu entfernenden Sterne oder dergleichen Fremdkör- Vorrichtung in einen Körperdurchgang bzw. -Öffnung
per befinden, woraufhin er geöffnet und so weit zu- eingeführt werden, bis der Schirm an der Stelle, an
rückgezogen wird, bis er die Steine od. dgl. in sich welcher sich die zu entfernenden Steine oder dergleiaufgenommen
hat, wobei der Schaberand das Lösen 55 chen Fremdkörper: befinden, vorbeigelangt ist. Darder
Fremdkörper von der Wand der Körperöffnung aufhin wird der Schirm in seine Lage gemäß Fig. 3
unterstützt. Wenn der Spreizkorb nunmehr geschlos- geöffnet, indem die ,Steuerdraht-Handhabe 13 in das
sen wird, werden die Steine oder dergleichen Fremd- Rohr 10 hineingedrückt wird, bis der Schirmrahmen
körper wegen der elastischen Außenhaut im Spreiz- 20 vollständig aus dem Rohr 10 herausgeschoben ist.
korb festgehalten, so daß sie zusammen mit letzte- 60 In diesem Zustand können die federnden Stege 21
rem aus dem Körper herausgezogen werden können. ihre natürliche Bogenform einnehmen oder sich zu-Dadurch,
daß die Steine im Inneren der Außenhaut mindest so weit auswärts durchbiegen, wie dies die
festgehalten werden, wird eine Verletzung der be- Wand des Körperdurchgangs bzw. -Öffnung zuläßt,
troffenen Körperdurchgänge durch Scheuern der Wenn der Schirm 30 aus elastomerem Kunststoff herscharf
en Kanten der Steine verhindert. 65 gestellt ist, wird ihm eine kreisförmige Gestalt ver-Im
folgenden ist ein bevorzugtes Ausführungsbei- liehen, so daß sich seine Kante 33 zwischen den
spiel der Erfindung an Hand der Zeichnung näher Stegen 21 durchbiegt und im geöffneten Zustand geerläutert,
maß F i g. 4 eine kreisförmige Gestalt einnimmt. Die
Kante 33 bildet hierbei einen kreisförmigen Schaber, welcher am ganzen Umfang des Körperdurchgangs
bzw. -öffnung anliegt.
Daraufhin wird das ganze Gerät mit geöffnetem Schirm ein kurzes Stück zurückgezogen, wobei die
Schirmkante 33 alle etwa vorhandenen Steine od. dgl. Fremdkörper löst und sozusagen »schöpft«. Danach
wird wieder die Steuerdraht-Handhabe 13 in ihre Stellung gemäß F i g. 1 aus dem Rohr 10 herausgezogen
und hierdurch der Schirm 30 um die abgelösten Steine herum geschlossen. Schließlich wird das
Gerät aus dem Körperdurchgang bzw. -öffnung herausgezogen, wobei die Steine od. dgl. Fremdkörper
innerhalb des geschlossenen Schirms sicher festgehalten werden.
Der gesamte Vorgang geht sehr schnell und bequem und mit einem Mindestmaß an Trauma bzw.
Verletzung des Patienten vor sich. Die Steine oder dergleichen Fremdkörper können nicht aus dem
Schirm entweichen und werden mit einer einzigen Bewegung des Geräts gelöst und entfernt, und zwar
ohne die Reizung durch wiederholtes Schaben im Körperdurchgang bzw. -öffnung. Da scharfe oder
harte Teilchen vom Schirm umschlossen sind, können sie während ihrer Entfernung nicht am Körperdurchgang
bzw. -öffnung scheuern und somit auch keine Verletzungen hervorrufen.
Claims (3)
1. Katheter zum Lösen und Entfernen von Steinen und dergleichen Fremdkörpern aus Körperhöhlen
mittels eines aus Drähten gebildeten, schirmförmig endenden Spreizkorbs, der am Ende
eines biegsamen, mit Innenstrang und Handhaben versehenen Rohrs in einem Gleitstück befestigt
ist, dadurch gekennzeichnet, daß der schirmförmige Vorderteil des Spreizkorbs (20)
bis zu seinem größten Durchmesser mit einer elastischen Außenhaut (30) mit abschließendem
Schaberand (33) bezogen ist.
2. Katheter nach Anspruch 1, dadurch gekennzeichnet, daß die elastische Außenhaut (30)
aus einem elastomeren Kunststoff besteht und daß der Schaberand (33) in geöffnetem Zustand
des Spreizkorbs (20) kreisförmige Gestalt besitzt.
3. Katheter nach Anspruch 2, dadurch gekennzeichnet, daß das elastomere Kunststoffmaterial
der elastischen Außenhaut (30) um die Drähte (21) des Spreizkorbs (20) herumgegossen und mit
diesen verbunden ist.
Hierzu 1 Blatt Zeichnungen copy
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60264366A | 1966-12-19 | 1966-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1566068B1 true DE1566068B1 (de) | 1971-05-06 |
Family
ID=24412192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19671566068 Withdrawn DE1566068B1 (de) | 1966-12-19 | 1967-12-12 | Katheter zum Loesen und Entfernen von Steinen u.dgl. Fremdkoerpern aus Koerperhoehlen |
Country Status (3)
Country | Link |
---|---|
US (1) | US3472230A (de) |
DE (1) | DE1566068B1 (de) |
GB (1) | GB1169419A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3440889C1 (de) * | 1984-11-09 | 1986-06-19 | Werner Dr.med. 4330 Mülheim Schubert | Vorrichtung zur Beseitigung von Konkrementen |
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- 1967-12-12 DE DE19671566068 patent/DE1566068B1/de not_active Withdrawn
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DE25796C (de) * | Dr. N. VERGUEIRO in Säo Paulo (Brasilien) | Blasensteinfänger | ||
FR1197808A (fr) * | 1957-01-31 | 1959-12-03 | Porges | Instrument pour l'extraction de corps étrangers situés dans des canaux physiologiques |
DE1095457B (de) * | 1959-11-04 | 1960-12-22 | Dr Med Kurt Kreie | Harnleiterkatheter mit Spreizkorb zum Entfernen von Nierensteinen |
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Also Published As
Publication number | Publication date |
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US3472230A (en) | 1969-10-14 |
GB1169419A (en) | 1969-11-05 |
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