DE1566068B1 - Catheter for loosening and removing stones and the like. Foreign bodies from body caves - Google Patents

Catheter for loosening and removing stones and the like. Foreign bodies from body caves

Info

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Withdrawn
Application number
DE19671566068
Other languages
German (de)
Inventor
Thomas James Fogarty
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.)
Edwards Laboratories Inc
Original Assignee
Edwards Laboratories Inc
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 Edwards Laboratories Inc filed Critical Edwards Laboratories Inc
Publication of DE1566068B1 publication Critical patent/DE1566068B1/en
Withdrawn legal-status Critical Current

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Description

Die Erfindung betrifft einen in Körperhöhlen ein- Es zeigtThe invention relates to a device in body cavities

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,guidable catheter for loosening and removing. .Fig. Fig. 1 is a partially "broken away" side view Stones and the like foreign bodies from the GaI an exemplary embodiment of a in a len and the urinary system of the body as well as umbrella-like surgical others insertable from the body cavity Body cavities and passages, there being 5 gischen device with the features of the invention It is irrelevant whether these foreign bodies are the result with the umbrella closed,

eines Krankheitsverlaufs oder eines chirurgischen F i g. 2 einen Schnitt längs der Linie 2-2 in F i g. 1,a disease progression or a surgical F i g. 2 shows a section along line 2-2 in FIG. 1,

Eingriffs, wie einer Endarteritis-Entfernung, sind. in vergrößertem Maßstab,Interventions such as endarteritis removal. on a larger scale,

Für diesen Zweck sind bereits zahlreiche in Kör- Fig. 3 eine Fig. 1 ähnelnde Seitenansicht mit ge-For this purpose there are already numerous in body Fig. 3 a side view similar to Fig. 1 with ge

perhöhlen oder -Öffnungen einführbare chirurgische io öffnetem Schirm undper cavity or orifices io open screen and insertable surgical

Geräte vorgeschlagen worden. Einige dieser Gerate Fig. 4 einen Schnitt längs der Linie4-4 in Fig. 3,Devices have been proposed. Some of these devices Fig. 4 is a section along the line 4-4 in Fig. 3,

sind so ausgebildet, daß der Stein mittels einer mit in vergrößertem Maßstab.are designed so that the stone by means of an enlarged scale.

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.The pull-cord loop is grasped, while in the following description this is in the grains Have corkscrew-shaped shape, to be inserted after the end of the passage or opening 15 devices are built up like a butterfly net as its »inner end« and the one opposite to it (German Patent Specification 25 796) or curved overlying wires wired in the hands of the surgeon have a basket or end of the device that remains in a cage as its "outer end" form (German Auslegeschrift 1095 457, French designation.

sische Patentschrift 1 197 808). Das Entfernen eines Bei der in den Figuren dargestellten Ausführungs-sische patent specification 1 197 808). The removal of a In the embodiment shown in the figures

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 mehrereStone with the help of such devices is a slow 20 form of the invention is the outer end of a flexible and troublesome process, since these known seed plastic pipe 10 on its outer periphery Devices do not have any devices for grasping and fixed with a handle 11 that can be grasped by the surgeon holding the stone are provided so that the stones are provided. In this tube 10 is a on its outside the loop or the wire basket can slip out at the end of an umbrella having a handle 13 and also with the help of the basket or cage as control wire 12 slidably guided, its inner end Do not allow shaped devices to be held back. From which a slider 15 is connected. For this reason, it is desirable to have an inevitably According to FIG. 3, an umbrella frame 20 has several

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 verbundenworking device for capturing and holding the · : consisting of spring wires webs 21, which create in stone, so that the same quickly and without. In the untensioned state, the arch shape according to FIG. 3 take longer introduction and handling of the instrument '30. The converging outer ends of these and without damaging the wire containing the stone are connected to the sliding piece 15, while the vessel or passage can be removed. The inner ends are connected to a tip 25

Aufgabe der Erfindung ist mithin die Schaffung sind, die gewünschtenfalls auch größere Länge als die eines verbesserten ehirurgischdn Geräts zum Lockern dargestellte besitzen kann.The object of the invention is therefore to create, if desired, also greater length than that an improved surgical loosening device shown.

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 einand removing stones and other pavement 35. One made of a pliable or flexible material, pieces from the biliary and urinary systems as well as a castable elastomeric plastic from other body cavities and passages. upright screen 30 has a center point

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,In the case of a catheter, this task is performed on the thin front end 31, which is attached to the tip 25 Sen and remove stones and the like connect, connected to this or in one piece Foreign bodies from body cavities can be formed by means of one of 40. According to FIG. 4, the Wires formed, umbrella-shaped ending spreading umbrella on thickened longitudinal sections 32, the ribs basket at the end; one flexible, with internal form, which are cast around the webs 21 and strand and handle provided tube are connected in one with these. The screen extends Slider is attached, according to the invention thereby ge in the outward direction up to one of the largest solves that the umbrella-shaped, front part of the spreading 45 diameter of the umbrella frame 20 lying, basket up to its largest diameter with one. relatively narrow scraping edge 33. elastic outer skin with final scraping To close the screen 30, the control edge is related. wire handle 13 pulled out of the tube 10,

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. DieWhen using this catheter, the expanding basket is pulled into the tube 10 in the closed state until the point 5 ° in FIG. 1 is exposed. inserted into the body opening, on which the parts in this position can be the star or the like foreign body device to be removed in a body passage or opening, whereupon it can be opened and inserted until the screen is on the point at which it is withdrawn until the stones or the like in which the stones or the like to be removed have been picked up, with the scraper edge, the loosening 55 chen foreign bodies: are located, has passed. Then the foreign body from the wall of the body opening is supported in its position according to FIG. 3. When the spreader basket is now closed, by inserting the control wire handle 13 into it, the stones or the like foreign tube 10 is pushed in until the umbrella frame body is pushed completely out of the tube 10 because of the elastic outer skin in the spreader 20 is. held basket, so that they together with The latter 60 I n this state, the resilient webs 21 can rem from the body can be pulled out. assuming their natural arch shape or closing. By the fact that the stones inside the outer skin bend outwards at least as far as they are held, an injury to the wall of the body passage or opening is allowed, affected body passages by rubbing the if the screen 30 made of elastomeric plastic prevents sharp edges of the stones. 65 is placed, it is given a circular shape. In the following, a preferred embodiment is borrowed, so that its edge 33 bends between the play of the invention with reference to the drawing more closely webs 21 and is explained in the open state, measured F i g. 4 assumes a circular shape. the

Kante 33 bildet hierbei einen kreisförmigen Schaber, welcher am ganzen Umfang des Körperdurchgangs bzw. -öffnung anliegt.Edge 33 here forms a circular scraper, which extends over the entire circumference of the body passage or opening is present.

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.The entire device is then withdrawn a short distance with the umbrella open, whereby the Screen edge 33 loosens any stones or similar foreign bodies that may be present and, so to speak, "scoops" them up. Thereafter the control wire handle 13 is again in its position according to FIG. 1 pulled out of the tube 10 and thereby the screen 30 is closed around the detached stones. Eventually that will Device pulled out of the body passage or opening, whereby the stones or the like. Foreign bodies be held securely within the closed umbrella.

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.The whole process is very quick and easy and with a minimum of trauma or trauma. Injury to the patient in front of him. The stones or the like foreign bodies cannot get out of the Screen escape and are released and removed with a single movement of the device, namely without the irritation of repeated scraping in the body passage or opening. There sharp or hard particles are enclosed by the screen, they cannot pass through the body during their removal chafe or opening and thus do not cause any injuries.

Claims (3)

Patentansprüche:Patent claims: 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.1. Catheters for loosening and removing stones and similar foreign bodies from body cavities by means of an umbrella-shaped ending spreader basket formed from wires, which at the end of a flexible tube provided with an inner cord and a handle is fastened in a slider is, characterized in that the umbrella-shaped front part of the expanding basket (20) up to its largest diameter with an elastic outer skin (30) with a final Scraper edge (33) is related. 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.2. Catheter according to claim 1, characterized in that the elastic outer skin (30) consists of an elastomeric plastic and that the scraper edge (33) in the open state of the expansion basket (20) has a circular shape. 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.3. Catheter according to claim 2, characterized in that the elastomeric plastic material the elastic outer skin (30) is cast around the wires (21) of the expansion basket (20) and with this is connected. Hierzu 1 Blatt Zeichnungen copyCopy 1 sheet of drawings
DE19671566068 1966-12-19 1967-12-12 Catheter for loosening and removing stones and the like. Foreign bodies from body caves Withdrawn DE1566068B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60264366A 1966-12-19 1966-12-19

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DE1566068B1 true DE1566068B1 (en) 1971-05-06

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DE19671566068 Withdrawn DE1566068B1 (en) 1966-12-19 1967-12-12 Catheter for loosening and removing stones and the like. Foreign bodies from body caves

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