DE3249117C2 - Chirurgische Befestigungseinrichtung aus kunststoffartigem Material - Google Patents
Chirurgische Befestigungseinrichtung aus kunststoffartigem MaterialInfo
- Publication number
- DE3249117C2 DE3249117C2 DE3249117T DE3249117T DE3249117C2 DE 3249117 C2 DE3249117 C2 DE 3249117C2 DE 3249117 T DE3249117 T DE 3249117T DE 3249117 T DE3249117 T DE 3249117T DE 3249117 C2 DE3249117 C2 DE 3249117C2
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- Prior art keywords
- prong
- prongs
- fastening
- holding element
- fastener
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/148—Materials at least partially resorbable by the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B17/0643—Surgical staples, i.e. penetrating the tissue with separate closing member, e.g. for interlocking with staple
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/042—Polysaccharides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/043—Proteins; Polypeptides; Degradation products thereof
- A61L31/047—Other specific proteins or polypeptides not covered by A61L31/044 - A61L31/046
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/048—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
- Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
- Y10T24/45775—Receiving member includes either movable connection between interlocking components or variable configuration cavity having resiliently biased interlocking component or segment
- Y10T24/45785—Requiring manual force applied against bias to interlock or disengage
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Surgical Instruments (AREA)
- Materials For Medical Uses (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
streckt Jedes Halteelement 80 besitzt mindestens zwei Ausnehmungen 84,86 zur Aufnahme des freien Endteils
je einer der Zinken 104,106 des zugeordneten Befestigungselements 100. Da jedes Befestigungselement 100
mindestens zwei Zinken besitzt, werden in jedem Halteelement 80 mindestens zwei Ausnehmungen 84, 86 benötigt
Das Halteelement 80 bewirkt, daß die Zinken des Befestigungselements beim Eingriff in das Halteelement
verdreht werden. Es werden zwei Ausnehmungen benötigt,
damit bei diesem Verdrehen der Zinken uad nach dem Einsetzen des Befestigungselements in das Gewebe
das Halteelement in einer zu dem Befestigungselement parallelen Lage gehalten wird.
Die beiden Elemente der Befestigungseinrichtung bestehen aus kunststoffartigem Material in dem vorstehend
erläuterten Sinn. Zum Unterschied gegenüber dem Metall, aus dem chirurgische Klammern gewöhnlich
hergestellt werden, ist das kunststoffartige Material der Elemente 80 und 100 der Befestigungseinrichtung
relativ weich und biegeelastisch. Infolgedessen sind die Zinken 104 und 106 des Befestigungselements 100 im
allgemeinen nicht imstande, das festzulegende Gewebe zu durchstechen. Um den Durchtritt der Ziiken des
Befestigungselements durch das Gewebe zu erleichtern, sind zwei Metallstifte vorgesehen, die sich längs je einer
Zinke des Befestigungselements erstrecken und während des Vortriebshubes eines Einsetz-Instruments zusammen
mit den zugeordneten Zinken bewegt werden. Jeder Stift steht etwas über das freie Ende der zugeordneten
Zinke vor und ist scharf zugespitzt, um das Durchstechen des Gewebes zu erleichtern. Die mit dem zugeordneten
Stift in Berührung stehende Seitenfläche 108 jeder Zinke ist der benachbarten Seitenfläche des Stiftes
derart angepaßt, daß die Zinke mindestens teilweise an dem Stift abgestützt ist In der dargestellten Ausführungsform
ist die Seitenfläche 108 im wesentlichen eben. Die übrigen Seitenflächen jeder Zinke, die gemeinsam
als freie Seitenfläche bezeichnet werden, sind so ausgebildet, daß sie eine Reihe von Funktionen ausführen, die
nachstehend beschrieben sind. Einmal sollen sie den leichten Durchtritt der Zinke durch das Gewebe ermöglichen,
ohne daß dabei die Zinke von dem zugeordneten Stift getrennt wird. Zu diesem Zweck läuft das freie
Ende der Zinke in eine Spitze 110 aus, die mit der Seitenfläche
des zugeordneten Stiftes in Berührung steht, und der benachbarte Teil 112 der freien Seitenfläche
erstreckt sieh schräg von der Spitze 110 und von dem zugeordneten Stift weg. In der dargestellten Ausführungsform
bildet der freie Flächenteil 112 einen Teil eines Kegelmantels. Wenn die Zinke 104 oder 106 zusammen
mit dem zugeordneten Stift durch das Gewebe tritt, trachtet der von diesem auf den Flächenteil 112
ausgeübte Druck, die Zinke in Anlage an dem Stift zu halten.
Nachdem die Zinken 104 und 106 eines Befestigungselements 100 mit Hilfe von Stiften durch das Gewebe
getreten sind, treten die freien Enden der Zinken in die Ausnehmungen 84 und 86 des Halteelements 80 und
werden in der nachstehend beschriebenen Weise in dem Halteelement verriegelt. Jede der Ausnehmungen 84
und 86 des Halteelement besitzt einen relativ kleinen Eintrittsteil 88 und einen relativ großen Endteil 90. Zwischen
dem Eintrittsteil 88 und dem Endteil 90 ist eine Verriegelungsfläche 92 vorgesehen, die sich im wesentlichen
rechtwinklig zu der Längsachse der zugeordneten Zinke 104 oder 105 des zugeordneten Befestigungselements
100 erstreckt. Jede der Ausnehmungen 84 und 86 ist in bezug auf die von ifcr Längsmittellinie des Halteelements
80 und den Längsachsen der ihm zugeordneten Zinken 104,106 der zugeordneten Befestigungselemente
100 bestimmte Ebene im wesentlichen symmetrisch. (Diese Ebene wird als Symmetrieebene der Ausnehmungen
des Halteelements bezeichnet) Wie aus der F i g. 2 hervorgeht, ist der Eintrittsteil 88 jeder Ausnehmung
des Halteelements so klein, daß beim Durchtritt des freien Endes der zugeordneten Zinke des Befestigungselements
durch diesen Eintrittsteil 88 die Zinke
ίο etwas verdreht wird, wie nachstehend ausführlich beschrieben
wird. In der F i g. 5 erkennt man, daß der Endteil 90 jeder Ausnehmung so groß ist, daß er das freie
Ende der verdrehten oder nichtverdrehten Zinke aufnehmen kann.
Wie am besten aus den F i g. 1,2 und 9 hervorgeht, ist
die im übrigen konische freie Seitenfläche 112 jeder Zinke 104,106 eines Befestigungselements 100 so weggeschnitten,
daß die Zinke auf entgegengesetzten Seiten ihrer Längsachse je einen im wesentlichen ebenen Flächenteil
114 bzw. 116 besitzt Die ebenen Flächenteile 114 und 116 sind zu der Längsachse "L:r Zinke und zueinander
im wesentlichen parallel, liegen aber schräg zu
der vorgenannten Symmetrieebene der zugeordneten Ausnehmung 84 bzw. 86 des Halteelements 80. Der Eintrittsteil
88 jeder Ausnehmung des Halteelements ist zwar so klein, daß in der ursprünglichen Drehstellung
der zugeordneten Zinke deren freies Ende nicht durch den Eintrittsteil 88 treten kann, doch ist ein derartiger
Durchtritt des freien Endes der Zinke durch den Eintrittsteil 88 möglich, wenn die Zinke derart um ihre
Längsachse gedreht ist daß die ebenen Flächenteile 114
und 116 im wesentlichen parallel zu der vorerwähnten Symmetrieebene der Ausnehmungen des Halteelements
liegen. Dies geht aus der F i g. 3 hervor, in der das Ende einer Zinke gezeigt ist, die so verdreht ist, daß sie
durch den Eintrittsteil 88 einer Ausnehmung des Halteelements treten kann. Die erforderliche Verdrehung der
Zinken erfolgt automatisch, wie nachstehend beschrieben wird.
Beispielsweise in der Fig.2 erkennt man, daß der
ebene Flächenteil 116 an einer solchen Stelle und unter
einem solchen Winkel angeordnet ist, daß zwischen den
ebenen Flächenteilen 108 und 116 ein Teil 112a des konischen
Flächenteils 112 verbleibt Zwischen den ebenen
Flächenteilen 108 und 114 bleibt kein vergleichbarer Teil des konischen Flächenteils 112 stehen, weii diese
ebenen Flächenteile 108 und 114 aneinandergrenzen. An den ebenen Flächenteil 114 grenzt in einem vorherbestimmten
Abstand von dem ebenen Flächenteil 108 ein Teil 1126 des konischen Flächenteils 112 an. Dagegen
ist auf der mit dem ebenen Flächenteil 116 ausgebildeten Seite der Zinke im gleichen Abstand von dem
ebenen Flächenteil 108 kein entsprechender Teil des konischen Flächenteils 112 vorhanden. Dank der ebenen
Flächenteile 114 und 116 ist daher der freie Endteil jeder
Zinke in bezug auf die vorerwähnte Symi.ietrieebene der zugeordneten Ausnehmung des Halteelements im
wesentlichen unsymmetrisch.
Wenn das freie Ende einer Zinke in der in der F i g. 2 gezeigten, ursprünglichen Drehstellung in den Eintrittsteil 88 einer Ausnehmung des Halteelements gedrückt
wird, gelangen die unsymmetrischen Flächenteüe 112a und 1126 der Zinke mit der Seitenfläche des Eintrittsteils 88 in Berührung, und diese ebenen Flächenteüe
wirken als Kraftübertragungsflächen, über die auf die Zinke ein verdrehend wirkendes Kräftepaar bzw. ein
Drehmoment ausgeübt wird. Dieses Kräftepaar bzw. Drehmoment wirkt in einer solchen Richtung, daß es
trachtet, die ebenen Flächenteile 114 und 116 in eine zu
der vorerwähnten Symmetrieebene der Ausnehmung des Halteelements parallele Lage zu bringen. Die Zinke
ist so elastisch, daß sie unter der Einwirkung dieses Kräftepaars bzw. Drehmoments in der durch den Pfeil 5
118 in der F i g. 3 angedeuteten Richtung verdreht wird,
bis die ebenen Flächenteile 114 und 116 zu der Symmetrieebene
der Ausnehmung des Halteelements im wesentlichen parallel liegen, wie dies in den F i g. 3 und 4
gezeigt ist. In dieser Stellung kann das freie Ende der Zinke frei durch den Eintrittsteil 88 der Ausnehmung
hindurch in deren Endteil 90 treten. Beim Drehen der Zinken des Befestigungselements können sich die Ausnehmungen
des Halteelements; etwas auswärtsstrecken, wodurch der Durchtritt des freien Endes der Zinken
durch die Eintrittsteiie 88 der Ausnehmungen in deren
Endteile 90 zusätzlich erleichtert wird. Eki dem nachstehend
beschriebenen Zurückdrehen der Zinken nehmen die Ausnehmungen des Halteelements gewöhnlich wieder
ihre ursprüngliche Größe und Form ein.
Sobald die Kegelfläche 112 vollständig in den Endteil
90 der Ausnehmung getreten ist, wird die Berührung zwischen den Kraftübertragungsflächen M2a und 1126
und dem Eintrittsteil 88 der Ausnehmung aufgehoben. Infolgedessen wird auf die Zinke kein verdrehend wirkendes
Kräftepaar mehr ausgeübt und dreht sich die Zinke in der durch den Pfeil 120 in der F i g. 5 gezeigten
Weise in ihre ursprüngliche Drehstellung zurück, die in den F i g. 5 und 6 gezeigt ist. Da die Verriegelungsflächen
122 der Zinke des Befestigungselements und die Verriegelungsflächen 92 in der Ausnehmung des Halteelements
einander gemäß den F i g. 5 und 6 überlappen, werden durch dieses Zurückdrehen das Befestigungselement
und das Halteelement bleibend miteinander verriegelt.
Zu den für die Verwendung als absorbierbare oder biologisch abbaubare chirurgische Befestigungseinrichtungen
geeigneten kunststoffartigen Materialien gehören Katgut (aus Schafdarm-Submucosa gewonnenes
Kollagen), Polyglykolsäure, Polymilchsäure, Copolymerisatgemische aus Polyglykolsäure und Polymilchsäure,
wiederhergestelltes Kollagen, Polyester, Polyaminosäuren, wie Kasein, Albumin und dergleichen. Polymere
mehrwertiger Alkohole, wie Polyvinylalkohol, sowie Celluloseglykolsäureäther und -ester der ar-Cyanacrylsäure,
beispielsweise das Methyl-ar-cyanacrylat. Die Polyglykolsäure
ist in den !^Patentschriften 34 63 158, 37 39 773 und 37 72 420 beschrieben. Geeignete PoIymilchsäuren
sind in der US-PS 36 36 956 angegeben. Beispiele von absorbierbaren Polyestern sind in den
US-Patentschriften 32 25 766 und 38 83 901 angegeben. Absorbierbare Celluloseglykolsäureäther sind in der
US-PS 27 64 159 angegeben. Beispiele von geeigneten Estern der «-Cyanacrylsäure sind in den US-Patentschriften
35 27 841, 35 64 078 und 37 59 264 angegeben. In einer bevorzugten Ausführungsform werden die Befestigungseinrichtungen
gemäß der Erfindung durch Spritzguß aus einem absorbierbaren amorphen Copolymerisat
aus 10 bis 50 Gew.-% Glykolid und 50 bis 90
Gew.-% Lactid hergestellt Dabei soll das CoDolymerisat
ein Molekulargewicht von etwa 30 000 bis 40 000 bis etwa 130 000 haben. Vorstehend wurden Beispiele von
geeigneten, biologisch absorbierbaren kunststoffartigen Materialien angegeben. Weitere geeignete absorbierbare
kunststoffartige Materialien für Befestigungseinrichtungen, beispielsweise Polymerisate des p-Dioxanons,
sind dem Fachmann bekannt Beispiele von nicht absorbierbaren kunststoffartigen Materialien sind Polyäthylen,
Polypropylen und Nylon.
Hierzu 2 Blatt Zeichnungen
Claims (1)
1 2
Erfindungsgemäß wird diese Aufgabe durch die im
Patentansprüche: Kennzeichen des Patentanspruchs 1 genannten Merkmale
gelöst Bevorzugte Merkmale, die die Erfindung
1. Chirurgische Befestigungseinrichtung aus vorteilhaft weiterbilden, sind in den nachgeordneten Pakunststoffartigem
Material, bestehend aus einem 5 tentansprüchen enthalten.
Befestigungselement mit einem Rücken und minde- Aufgrund der erfindungsgemäßen Ausgestaltung
stens zwei im Abstand voneinander angeordneten wird eine verbesserte chirurgische Befestigungseinrich-Zinken,
die sich im wesentlichen parallel zueinander tung geschaffen, bei der vorteilhaft ein ausreichend
im wesentlichen rechtwinklig von dem Rücken weg formstabn ausbildbares Befestigungselement unter elaerstrecken,
und aus einem Halteelement mit minde- io stischer statt unter plastischer Verformung sicher und
stens zwei Ausnehmungen, durch weiche jeweils ein dauerhaft in das Halteelement eingreift Da das Einsetfreies Zinkenende aufnehmbar und festhaltbar ist, zen des Befestigungselements in das Halteelement ohne
dadurch gekennzeichnet, daß jede Aus- eine plastische Verformung und dementsprechend ohne
nehmung (84, 86) einen Eintrittsteil (88) aufweist eine mögliche Beschädigung des Aufnahmebereichs des
wobei jede Zinke (104, 106) durch den Eintrittsteil 15 Halteelements erfolgt kann es auch von daher nicht zu
(88) beim Einführen verdrehbar und nach Zurück- einem unbeabsichtigten Lösen der Befestigungseinrichdrehung
in der Ausnehmung (84,86) verriegelbar ist tung kommen. Vorteilhaft ist weiterhin, daß das Einset-
2. Einrichtung nach Anspruch 1, dadurch gekenn- zen des Befestigungselements in das Halteelement zur
zeichnet, daß die Zinken (104,106) durch das festzu- Erzielung einer zuverlässigen Verriegelung einfach und
legende Körpergewebe jeweils mit Hilfe eines paral- 20 problemlos vorgenommen werden kann.
IeI zu einejnTeil der Seitenfläche (108) der jeweili- Nachfolgend wird ein bevorzugtes Ausführungsbeigen
Zinke verlaufenden und an diesem Teil anliegen- spiel der Erfindung unter Bezugnahme auf die Zeichden
Metallstift (52) hindurchführbar sind, und daß nungen näher erläutert Es zeigt
der übrige Teil der Seitenfläche jeder Zinke Kraft- F i g. 1 eine Draufsicht auf eine Ausbildungsform der
Übertragungsflächen (112a; 112Z^ und Verriege- 25 Befestigungseinrichtung vor dem Zusammensetzen, wo-
lungsflächen (122) aufweist, wobei jede Zinke (104, bei das Haheelement geschnitten ist;
106) durch die Kraftübertragungsflächen (112a, F i g. 2 eine Seitenansicht des oberen Abschnitts des
U2b) in dem zugeordneten Eintrittsteil (88) beim Halteelements in F i g. 1 von links gesehen;
Einführen drehbar ist und wobei durch die Verriege- F i g. 3 eine der F i g. 2 ähnelnde Darstellung, bei der
lungsflächen (122) jede Zinke in der zugeordneten 30 eine Zwischenphase beim Zusammensetzen des Befesti-
Ausnehmung (84, 86) des Halteelements (80) nach gungselements mit dem Halteelement gezeigt ist;
Zurückdrehen der Zinke verriegelbar ist F i g. 4 einen Schnitt entlang der Linie 12-12 in F i g. 3
3. Einrichtung nach Ansprwh 1 oder 2, dadurch ohne Schnitt der dargestellten Zinken;
gekennzeichnet, daß jede Zinke (104,106) beim Ein- F i g. 5 eine der F i g. 3 ähnelnde Darstellung der tritt ihres freien Endes in die Ausnehmung (84, 86) 35 Endphase des Zusammensetzens der beiden Elemente um ihre Längsachse derart verdrehbar ist, daß sich der Befestigungseinrichtung;
gekennzeichnet, daß jede Zinke (104,106) beim Ein- F i g. 5 eine der F i g. 3 ähnelnde Darstellung der tritt ihres freien Endes in die Ausnehmung (84, 86) 35 Endphase des Zusammensetzens der beiden Elemente um ihre Längsachse derart verdrehbar ist, daß sich der Befestigungseinrichtung;
die Verriegelungsfläche (122) und eine Verriege- Fig,6 einen Schnitt entlang der Schnittlinie 14-14 in
lungsiläche (92) in der Ausnehmung (84,86) aneinan- F i g. 5 ohne Schnittdarstellung der Zinke;
der vorbeibewegen, wonach die Kraftübertragungs- F i g. 7 eine auf eine Zinke gerichtete Seitenansicht
flächen (112a, 112b) zur Freigabe der Rückwärtsdre- 40 des Befestigungselements;
hung der Zinke und zur Herstellung des gegenseiti- F i g. 8 eine Draufsicht auf das in F i g. 1 dargestellte
gen Angriffs der Verriegelungsflächen (92,122) von- Befestigungselement;
einander abrückbar sind. F ig. 9 und 10 jeweils einen Schnitt entlang der
Schnittlinie 17-17 bzw. 18-18 in Fi g. 8; und
45 Fig. 11, 12 und 13 je einen Schnitt entlang der
Schnittlinien 19-19,20-20 bzw. 21 -21 in F i g. 8.
Die chirurgische Befestigungseinrichtung gemäß der
Die Erfindung betrifft eine chirurgische Befestigungs- Erfindung besitzt ein Halteelement 80 und ein zunächst
einrichtung aus kunststoffartigem Material gemäß dem von ihm getrenntes Befestigungselement 100. Jedes BeOberbegriff
des Patentanspruchs 1. 50 festigungselement 100 besitzt einen langgestreckten Eine derartige Befestigungseinrichtung ist in der Rücken 102 und mindestens zwei im wesentlichen paral-US-PS
40 60 089 offenbart Als nachteilig ist bei dieser lele Zinken 104,106, die sich an in der Längsrichtung des
vorbekannten Befestigungseinrichtung anzusehen, daß Rückens im Abstand voneinander angeordneten Stellen
die Zinken der Befestigungseinrichtung hohl ausgebil- im wesentlichen rechtwinklig von dem Rücken weg erdet
sein müssen, damit für ihre Befestigung ein Befesti- 55 strecken. Jedes Befestigungselement 100 muß mindegungsdorn
hindurchgreifen kann. Ungünstig ist ferner, stens zwei Zinken besitzen, weil beim Eingriff in das
daß aufgrund der vorgesehenen Einsetzkonzeption der zugeordnete Halteelement 80 jede Zinke um ihre eigene
Befestigungseinrichtung an dem Halteelement eine Auf- Längsachse verdreht wird, und die mindestens zwei Zinweitung
der Ausnehmung auftritt, die zu einer uner- ken gewährleisten, daß beim Verdrehen der Zinken und
wünschten Verformung des Halteelementes selbst und 60 bei in dem Gewebe befindlichen Befestigungselement
zu einer Beschädigung des Aufnahmebereichs führen 100 der Rücken 102 in einer zu dem Halteelement 80
kann, wodurch die Gefahr eines unbeabsichtigten Lö- parallelen Lage gehalten wird. In der dargestellten Aussens
der Befestigungseinrichtung besteht. führungsform besitzt jedes Befestigungselement 100
Der Erfindung liegt die Aufgabe zugrunde, eine chir- nur zwei Zinken 104,106, doch können gegebenenfalls
urgische Befestigungseinrichtung aus kunststoffartigem 65 auch mehr als zwei Zinken verwendet werden.
Material verfügbar zu machen, die eine sichere verfor- Jedes Haheelement 80 ist ein langgestrecktes EIemungsfreie Verriegelung des Befestigungselementes ment, das sich im wesentlichen parallel zu dem Rücken mit dem Halteelement ermöglicht. 102 des zugeordneten Befestigungselements 100 er-
Material verfügbar zu machen, die eine sichere verfor- Jedes Haheelement 80 ist ein langgestrecktes EIemungsfreie Verriegelung des Befestigungselementes ment, das sich im wesentlichen parallel zu dem Rücken mit dem Halteelement ermöglicht. 102 des zugeordneten Befestigungselements 100 er-
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/310,065 US4402445A (en) | 1981-10-09 | 1981-10-09 | Surgical fastener and means for applying same |
PCT/US1982/001093 WO1983001193A1 (en) | 1981-10-09 | 1982-08-09 | Surgical fastener and means for applying same |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3249117T1 DE3249117T1 (de) | 1983-12-01 |
DE3249117C2 true DE3249117C2 (de) | 1986-03-20 |
Family
ID=23200859
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3249678A Expired DE3249678C2 (de) | 1981-10-09 | 1982-08-09 | Instrument zum Einsetzen einer chirurgischen Befestigungseinrichtung in Körpergewebe |
DE3249117T Expired DE3249117C2 (de) | 1981-10-09 | 1982-08-09 | Chirurgische Befestigungseinrichtung aus kunststoffartigem Material |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3249678A Expired DE3249678C2 (de) | 1981-10-09 | 1982-08-09 | Instrument zum Einsetzen einer chirurgischen Befestigungseinrichtung in Körpergewebe |
Country Status (10)
Country | Link |
---|---|
US (1) | US4402445A (de) |
EP (1) | EP0077262B1 (de) |
JP (2) | JPS58501657A (de) |
AT (1) | ATE21328T1 (de) |
AU (1) | AU548370B2 (de) |
BR (1) | BR8207918A (de) |
CA (2) | CA1191416A (de) |
DE (2) | DE3249678C2 (de) |
GB (1) | GB2118665B (de) |
WO (1) | WO1983001193A1 (de) |
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US11617577B2 (en) | 2020-10-29 | 2023-04-04 | Cilag Gmbh International | Surgical instrument comprising a sensor configured to sense whether an articulation drive of the surgical instrument is actuatable |
US11452526B2 (en) | 2020-10-29 | 2022-09-27 | Cilag Gmbh International | Surgical instrument comprising a staged voltage regulation start-up system |
US11717289B2 (en) | 2020-10-29 | 2023-08-08 | Cilag Gmbh International | Surgical instrument comprising an indicator which indicates that an articulation drive is actuatable |
US11517390B2 (en) | 2020-10-29 | 2022-12-06 | Cilag Gmbh International | Surgical instrument comprising a limited travel switch |
US11534259B2 (en) | 2020-10-29 | 2022-12-27 | Cilag Gmbh International | Surgical instrument comprising an articulation indicator |
US11944296B2 (en) | 2020-12-02 | 2024-04-02 | Cilag Gmbh International | Powered surgical instruments with external connectors |
US11653920B2 (en) | 2020-12-02 | 2023-05-23 | Cilag Gmbh International | Powered surgical instruments with communication interfaces through sterile barrier |
US11653915B2 (en) | 2020-12-02 | 2023-05-23 | Cilag Gmbh International | Surgical instruments with sled location detection and adjustment features |
US11849943B2 (en) | 2020-12-02 | 2023-12-26 | Cilag Gmbh International | Surgical instrument with cartridge release mechanisms |
US11737751B2 (en) | 2020-12-02 | 2023-08-29 | Cilag Gmbh International | Devices and methods of managing energy dissipated within sterile barriers of surgical instrument housings |
US11890010B2 (en) | 2020-12-02 | 2024-02-06 | Cllag GmbH International | Dual-sided reinforced reload for surgical instruments |
US11744581B2 (en) | 2020-12-02 | 2023-09-05 | Cilag Gmbh International | Powered surgical instruments with multi-phase tissue treatment |
US11678882B2 (en) | 2020-12-02 | 2023-06-20 | Cilag Gmbh International | Surgical instruments with interactive features to remedy incidental sled movements |
US11627960B2 (en) | 2020-12-02 | 2023-04-18 | Cilag Gmbh International | Powered surgical instruments with smart reload with separately attachable exteriorly mounted wiring connections |
US11980362B2 (en) | 2021-02-26 | 2024-05-14 | Cilag Gmbh International | Surgical instrument system comprising a power transfer coil |
US11950777B2 (en) | 2021-02-26 | 2024-04-09 | Cilag Gmbh International | Staple cartridge comprising an information access control system |
US11793514B2 (en) | 2021-02-26 | 2023-10-24 | Cilag Gmbh International | Staple cartridge comprising sensor array which may be embedded in cartridge body |
US11950779B2 (en) | 2021-02-26 | 2024-04-09 | Cilag Gmbh International | Method of powering and communicating with a staple cartridge |
US11749877B2 (en) | 2021-02-26 | 2023-09-05 | Cilag Gmbh International | Stapling instrument comprising a signal antenna |
US12108951B2 (en) | 2021-02-26 | 2024-10-08 | Cilag Gmbh International | Staple cartridge comprising a sensing array and a temperature control system |
US11696757B2 (en) | 2021-02-26 | 2023-07-11 | Cilag Gmbh International | Monitoring of internal systems to detect and track cartridge motion status |
US11701113B2 (en) | 2021-02-26 | 2023-07-18 | Cilag Gmbh International | Stapling instrument comprising a separate power antenna and a data transfer antenna |
US11925349B2 (en) | 2021-02-26 | 2024-03-12 | Cilag Gmbh International | Adjustment to transfer parameters to improve available power |
US11723657B2 (en) | 2021-02-26 | 2023-08-15 | Cilag Gmbh International | Adjustable communication based on available bandwidth and power capacity |
US11751869B2 (en) | 2021-02-26 | 2023-09-12 | Cilag Gmbh International | Monitoring of multiple sensors over time to detect moving characteristics of tissue |
US11730473B2 (en) | 2021-02-26 | 2023-08-22 | Cilag Gmbh International | Monitoring of manufacturing life-cycle |
US11744583B2 (en) | 2021-02-26 | 2023-09-05 | Cilag Gmbh International | Distal communication array to tune frequency of RF systems |
US11812964B2 (en) | 2021-02-26 | 2023-11-14 | Cilag Gmbh International | Staple cartridge comprising a power management circuit |
US11723658B2 (en) | 2021-03-22 | 2023-08-15 | Cilag Gmbh International | Staple cartridge comprising a firing lockout |
US11806011B2 (en) | 2021-03-22 | 2023-11-07 | Cilag Gmbh International | Stapling instrument comprising tissue compression systems |
US11826042B2 (en) | 2021-03-22 | 2023-11-28 | Cilag Gmbh International | Surgical instrument comprising a firing drive including a selectable leverage mechanism |
US11717291B2 (en) | 2021-03-22 | 2023-08-08 | Cilag Gmbh International | Staple cartridge comprising staples configured to apply different tissue compression |
US11737749B2 (en) | 2021-03-22 | 2023-08-29 | Cilag Gmbh International | Surgical stapling instrument comprising a retraction system |
US11759202B2 (en) | 2021-03-22 | 2023-09-19 | Cilag Gmbh International | Staple cartridge comprising an implantable layer |
US11826012B2 (en) | 2021-03-22 | 2023-11-28 | Cilag Gmbh International | Stapling instrument comprising a pulsed motor-driven firing rack |
US11832816B2 (en) | 2021-03-24 | 2023-12-05 | Cilag Gmbh International | Surgical stapling assembly comprising nonplanar staples and planar staples |
US11849945B2 (en) | 2021-03-24 | 2023-12-26 | Cilag Gmbh International | Rotary-driven surgical stapling assembly comprising eccentrically driven firing member |
US11857183B2 (en) | 2021-03-24 | 2024-01-02 | Cilag Gmbh International | Stapling assembly components having metal substrates and plastic bodies |
US11786239B2 (en) | 2021-03-24 | 2023-10-17 | Cilag Gmbh International | Surgical instrument articulation joint arrangements comprising multiple moving linkage features |
US11744603B2 (en) | 2021-03-24 | 2023-09-05 | Cilag Gmbh International | Multi-axis pivot joints for surgical instruments and methods for manufacturing same |
US11896218B2 (en) | 2021-03-24 | 2024-02-13 | Cilag Gmbh International | Method of using a powered stapling device |
US11849944B2 (en) | 2021-03-24 | 2023-12-26 | Cilag Gmbh International | Drivers for fastener cartridge assemblies having rotary drive screws |
US12102323B2 (en) | 2021-03-24 | 2024-10-01 | Cilag Gmbh International | Rotary-driven surgical stapling assembly comprising a floatable component |
US11786243B2 (en) | 2021-03-24 | 2023-10-17 | Cilag Gmbh International | Firing members having flexible portions for adapting to a load during a surgical firing stroke |
US11903582B2 (en) | 2021-03-24 | 2024-02-20 | Cilag Gmbh International | Leveraging surfaces for cartridge installation |
US11793516B2 (en) | 2021-03-24 | 2023-10-24 | Cilag Gmbh International | Surgical staple cartridge comprising longitudinal support beam |
US11896219B2 (en) | 2021-03-24 | 2024-02-13 | Cilag Gmbh International | Mating features between drivers and underside of a cartridge deck |
US11944336B2 (en) | 2021-03-24 | 2024-04-02 | Cilag Gmbh International | Joint arrangements for multi-planar alignment and support of operational drive shafts in articulatable surgical instruments |
US11826047B2 (en) | 2021-05-28 | 2023-11-28 | Cilag Gmbh International | Stapling instrument comprising jaw mounts |
US11957337B2 (en) | 2021-10-18 | 2024-04-16 | Cilag Gmbh International | Surgical stapling assembly with offset ramped drive surfaces |
US11980363B2 (en) | 2021-10-18 | 2024-05-14 | Cilag Gmbh International | Row-to-row staple array variations |
US11877745B2 (en) | 2021-10-18 | 2024-01-23 | Cilag Gmbh International | Surgical stapling assembly having longitudinally-repeating staple leg clusters |
US12089841B2 (en) | 2021-10-28 | 2024-09-17 | Cilag CmbH International | Staple cartridge identification systems |
US11937816B2 (en) | 2021-10-28 | 2024-03-26 | Cilag Gmbh International | Electrical lead arrangements for surgical instruments |
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US1452373A (en) * | 1921-10-15 | 1923-04-17 | Gomez Joaquin Sanchez | Surgical ligature and means for applying the same |
US2453056A (en) * | 1947-03-12 | 1948-11-02 | Zack William Edwin | Surgical anastomosis apparatus and method |
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US3069962A (en) * | 1957-02-08 | 1962-12-25 | Illinois Tool Works | Fastener means comprising resilient socket means contractible about shoulder means on a stud member |
US3093027A (en) * | 1960-01-07 | 1963-06-11 | Illinois Tool Works | Plastic drive fastener having a radially collapsible shoulder |
GB972731A (en) * | 1961-05-31 | 1964-10-14 | Mihaly Gerendas | Improvements in or relating to artery clamps |
US3254650A (en) * | 1962-03-19 | 1966-06-07 | Michael B Collito | Surgical anastomosis methods and devices |
US3166072A (en) * | 1962-10-22 | 1965-01-19 | Jr John T Sullivan | Barbed clips |
US3220078A (en) * | 1963-08-08 | 1965-11-30 | Elastic Stop Nut Corp | Rotary fastener |
US3275211A (en) * | 1965-05-10 | 1966-09-27 | United States Surgical Corp | Surgical stapler with replaceable cartridge |
US3378812A (en) * | 1967-02-13 | 1968-04-16 | United Carr Inc | Panel-mounted lamp socket |
US3512289A (en) * | 1968-05-27 | 1970-05-19 | Y Tex Corp | Animal identification tag and installation tool therefor |
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US3641804A (en) * | 1969-10-20 | 1972-02-15 | Theodorus Antonio Gerardus Oud | Tool for placing marks in the ears of animals |
FR2163384B1 (de) * | 1971-12-17 | 1976-06-04 | Constr Telephoniques | |
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US4060089A (en) * | 1975-09-03 | 1977-11-29 | United States Surgical Corporation | Surgical fastening method and device therefor |
US4147168A (en) * | 1977-07-05 | 1979-04-03 | Zoecon Corporation | Animal identification tag application tool |
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SU886900A1 (ru) * | 1979-03-26 | 1981-12-07 | Всесоюзный научно-исследовательский и испытательный институт медицинской техники | Хирургический сшивающий аппарат дл наложени линейных швов |
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-
1981
- 1981-10-09 US US06/310,065 patent/US4402445A/en not_active Expired - Lifetime
- 1981-10-09 AU AU84850/82A patent/AU548370B2/en not_active Expired
-
1982
- 1982-08-09 WO PCT/US1982/001093 patent/WO1983001193A1/en active Application Filing
- 1982-08-09 JP JP57502722A patent/JPS58501657A/ja active Pending
- 1982-08-09 GB GB08314597A patent/GB2118665B/en not_active Expired
- 1982-08-09 DE DE3249678A patent/DE3249678C2/de not_active Expired
- 1982-08-09 BR BR8207918A patent/BR8207918A/pt unknown
- 1982-08-09 DE DE3249117T patent/DE3249117C2/de not_active Expired
- 1982-08-11 CA CA000409193A patent/CA1191416A/en not_active Expired
- 1982-10-06 AT AT82401834T patent/ATE21328T1/de not_active IP Right Cessation
- 1982-10-06 EP EP82401834A patent/EP0077262B1/de not_active Expired
-
1984
- 1984-09-11 CA CA000462902A patent/CA1193938A/en not_active Expired
-
1990
- 1990-11-02 JP JP2298731A patent/JPH03155851A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
EP0077262A2 (de) | 1983-04-20 |
DE3249117T1 (de) | 1983-12-01 |
JPH0364129B2 (de) | 1991-10-04 |
ATE21328T1 (de) | 1986-08-15 |
AU548370B2 (en) | 1985-12-05 |
GB2118665B (en) | 1985-08-07 |
DE3249678C2 (de) | 1986-04-03 |
GB2118665A (en) | 1983-11-02 |
CA1191416A (en) | 1985-08-06 |
GB8314597D0 (en) | 1983-06-29 |
JPS58501657A (ja) | 1983-10-06 |
US4402445A (en) | 1983-09-06 |
WO1983001193A1 (en) | 1983-04-14 |
BR8207918A (pt) | 1983-09-13 |
AU8485082A (en) | 1983-12-08 |
CA1193938A (en) | 1985-09-24 |
DE3249678A1 (de) | 1986-04-03 |
JPH03155851A (ja) | 1991-07-03 |
EP0077262A3 (en) | 1984-02-22 |
EP0077262B1 (de) | 1986-08-13 |
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