DE102005004317B3 - Polypropylene tissue connector comprises a longitudinal core having active substances, helical structures as a rear cut thread spirally coiled around the core and needle type applicator with ends covered by casing - Google Patents

Polypropylene tissue connector comprises a longitudinal core having active substances, helical structures as a rear cut thread spirally coiled around the core and needle type applicator with ends covered by casing Download PDF

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DE102005004317B3
DE102005004317B3 DE200510004317 DE102005004317A DE102005004317B3 DE 102005004317 B3 DE102005004317 B3 DE 102005004317B3 DE 200510004317 DE200510004317 DE 200510004317 DE 102005004317 A DE102005004317 A DE 102005004317A DE 102005004317 B3 DE102005004317 B3 DE 102005004317B3
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Prior art keywords
core
helical structures
connector according
tissue
helical
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DE200510004317
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German (de)
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Wohlert Dr. Stephen
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Johnson and Johnson Medical GmbH
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Ethicon GmbH
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06166Sutures
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00889Material properties antimicrobial, disinfectant
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00893Material properties pharmaceutically effective
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06166Sutures
    • A61B2017/06171Sutures helically or spirally coiled
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06166Sutures
    • A61B2017/06176Sutures with protrusions, e.g. barbs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06166Sutures
    • A61B2017/0619Sutures thermoplastic, e.g. for bonding, welding, fusing or cutting the suture by melting it
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/08Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
    • A61B2017/081Tissue approximator
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1103Approximator

Abstract

The helical structures (3, 4) exhibit screw strain and pitch and are transferred toward the longitudinal axis (5) against each other. The active substance are analgesics, paracetamol, local anesthetics, lidocain, antibacterial, silver, triclosan, fungicides and antiviral substances, inflammation inhibitor, transforming growth factor protein, recombinant growth differentiation factor peptide, vitamins A and D3 derivatives, steroid and growth and healing promoters. An independent claim is also included for production method using the above fabric connector.

Description

Die Erfindung betrifft einen Gewebeverbinder mit Widerhaken und ein Verfahren zur Herstellung.The The invention relates to a woven connector with barbs and a Process for the preparation.

Facelifts werden zur Zeit hauptsächlich in aufwendigen Prozeduren durchgeführt, die größeren Incisionen erfordern. Ebenfalls durch die Prozedur bedingt sind Traumata, Betäubung, gegebenenfalls Schädigung oder gar Durchtrennung von Nerven, sowie ein stark eingeschränkter Patientenkomfort als Folge der Prozedur.facelifts are becoming major at the moment performed in elaborate procedures that require major incisions. Also caused by the procedure are trauma, anesthesia, possibly injury or even transection of nerves, as well as a greatly reduced patient comfort as a result of the procedure.

Ein neuerer Weg, die Prozeduren durchzuführen nutzt selbstfixierende Fäden, die wie Stacheldraht geformt sind. Diese "Stacheln" oder Widerhaken reichen in das umgebende Gewebe hinein und sorgen für die Verankerung. Die mit Stacheln versehene Fäden werden durch Kanülen eingebracht und durch Entfernen der Kanüle platziert. Beschrieben ist dies in einem Artikel von Sulamanidze, et al. in Dermatol SURG., 28(5), 2002, 367–71. Mit dem gleichen Problem befaßt sich auch der Artikel von Dattilo et al., in JTATM, 2(2), 2002, 1–5.One newer way to perform the procedures uses self-fixing threads which are shaped like barbed wire. These "spines" or barbs reach into the surrounding area Tissue in and take care of the anchorage. The spiked threads are inserted through cannulas and by removing the cannula placed. This is described in an article by Sulamanidze, et al. in Dermatol SURG., 28 (5), 2002, 367-71. With the same problem deals See also the article by Dattilo et al., in JTATM, 2 (2), 2002, 1-5.

Die US-3,123,077 A offenbart ein Nahtmaterial mit Widerhaken auf den Fäden, die. zwar unterschiedlicher Anordnungen haben, jedoch alle in eine Richtung gerichtet sind. Dadurch lassen sie sich gut durch ein Gewebe in einer Richtung durchziehen und verhindern das Zurückrutschen in der entgegengesetzten Richtung. Da jedoch die Zugbelastung in zu verbindenden Gewebeteilen von der Inzision in beide Richtungen und damit in entgegengesetzte Richtungen wirkt, wird zwar ein Gewebeteil von den Stacheln oder Widerhaken zurückgehalten, der andere kann aber in Richtung der Stacheln rutschen und damit die Inzision öffnen.The US 3,123,077 A discloses a suture with barbs on the threads the. Although different arrangements have, but all in one direction are directed. This allows them to pass well through a tissue a direction and prevent slipping back in the opposite direction. However, since the tensile load in tissue parts to be connected from the incision in both directions and acting in opposite directions becomes a piece of fabric retained by the spines or barbs, but the other one can slide in the direction of the spines and thus open the incision.

Aus der GB 1091282 A ist ein Gewebeverbinder mit zwei Abschnitten von Widerhaken bekannt, die zueinander entgegengesetzt gerichtet sind. Zwischen den beiden Widerhakenabschnitten befindet sich ein widerhakenfreier Abschnitt, der nach der Applikation im Bereich der Incision liegt. Dieser Gewebeverbinder wird nicht in einem Schritt durch das Gewebe gestochen, sondern von der Inzision aus in einer ersten Richtung in einen ersten Gewebeteil und danach durch den zweiten oder anderen Gewebeteil in entgegengesetzter Richtung. Anschließend werden die freien Enden zusammengezogen und die Gewebeteile miteinander verbunden. Dies ist durch die Anordnung der Widerhaken möglich, die ein Zurückrutschen der Gewebeteile verhindern. Nachteilig ist dabei allerdings die Art der Applikation, nämlich durch zwei getrennte Handgriffe von der Inzision aus einmal in die eine Richtung und anschließend in die andere. Außerdem muß der Chirurg beim Setzen der Naht die Mitte des Gewebeverbinders suchen, um ihn dort zu fassen.From the GB 1091282 A For example, a woven connector having two sections of barbs facing each other is known. Between the two barb sections there is a barb-free section that lies in the area of the incision after application. This tissue connector is not pricked through the tissue in one step, but from the incision in a first direction into a first tissue part and then through the second or other tissue part in the opposite direction. Subsequently, the free ends are pulled together and the tissue parts are joined together. This is possible by the arrangement of the barbs, which prevent slipping back of the tissue parts. The disadvantage, however, is the type of application, namely by two separate handles from the incision once in one direction and then in the other. In addition, as the suture is being set, the surgeon must seek the center of the tissue connector to grasp it.

Weitere bekannte Gewebeverbinder sind in der DE 1810800 A der US 3,716,058 A und der US 3,833,972 A beschrieben.Other known tissue connectors are in the DE 1810800 A of the US 3,716,058 A and the US 3,833,972 A described.

Als entfernteren Stand der Technik, der zum Hintergrund der Erfindung zählt, ist der Anmelderin bekannt: US 6599310 A , US 6270517 A , US 5931855 A , US 5683417 A , US 6241747 A , US 5342376 A , US 5374268 A , US 5330503 A , US 5269783 A , US 5053047 A und US 5123913 A .As a more distant prior art, which forms part of the background of the invention, the applicant is aware of the following: US 6599310 A . US 6270517 A . US 5931855 A . US 5683417 A . US 6241747 A . US 5342376 A . US 5374268 A . US 5330503 A . US 5269783 A . US Pat. No. 5,053,047 and US 5123913 A ,

Weiterer Stand der Technik, der nach Ansicht des Erfinders zum Hintergrundwissen zählt, sind die US 2003/0041426 A1, WO 2003017850 A1, WO 2003003925 A1, WO 2003001979 A1, WO 9852473 A1, WO 9606565 A1 und WO 03/001977 A1, außerdem zählen dazu die EP 0 664 198 A1 und die EP 1 075 843 A1 .Further prior art, which in the inventor's view counts as background knowledge, are also US 2003/0041426 A1, WO 2003017850 A1, WO 2003003925 A1, WO 2003001979 A1, WO 9852473 A1, WO 9606565 A1 and WO 03/001977 A1 to the EP 0 664 198 A1 and the EP 1 075 843 A1 ,

Aufgabe der Erfindung ist es, einen Gewebeverbinder und ein Verfahren zur Herstellung für minimal-invasive Prozeduren zu schaffen, mit dem Körpergewebe unter Einsatz von einer minimalen Menge an Faden zuverlässig fixiert werden kann. Dabei soll die Applikation auch schneller und einfacher als beim Stand der Technik durchführbar sein.task The invention relates to a woven connector and a method for Production for to create minimally invasive procedures with the body tissues reliably fixed using a minimum amount of thread can be. The application should also be faster and easier be feasible as in the prior art.

Zur Lösung dieser Aufgabe dient ein Gewebeverbinder, der die Merkmale des Patentanspruchs 1 und 13 aufweist.to solution This object is achieved by a woven connector which has the features of patent claim 1 and 13.

Durch die erfindungsgemäße helikale oder schraubenförmige Struktur sind somit entgegengesetzt gerichtete Stacheln oder Widerhaken gebildet, die das Auseinanderrutschen der zu verbindenden Gewebeteile verhindern. Bei der Applikation ist es auch nicht erforderlich, daß der Chirurg die Mitte des Gewebeverhinders suchen und den Gewebeverbinder in entgegengesetzte Richtungen durch das Gewebe führen muß, sondern es reicht aus, daß er den Gewebeverbinder mit dem Applikationswerkzeug, in der Regel eine chirurgische Zange, erfaßt und in einer Richtung durch beide Gewebeteile führt. Dazu ist es allerdings erforderlich, daß der erfindungsgemäße Gewebeverbinder zum Applizieren mit Hilfe einer Umhüllung durch das Gewebe geführt wird, die die Widerhaken oder Stacheln während des Applizierens niederdrückt, so daß sie sich nicht im Gewebe verhaken können.By the helical invention or helical Structure are thus oppositely directed spines or barbs formed, which is the slipping apart of the tissue parts to be joined prevent. In the application, it is also not necessary that the Surgeon search the center of the tissue inhibitor and the tissue connector in opposite directions through the tissue, but it is enough that he the tissue connector with the application tool, usually a surgical forceps, detected and leads in one direction through both tissue parts. It is, however required that the Tissue connectors according to the invention is guided through the tissue for application by means of an envelope, which depresses the barbs or spines during application, so that she can not get caught in the tissue.

Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche, auf die hiermit ausdrücklich Bezug genommen wird.advantageous Embodiments of the invention are the subject of the dependent claims, on which hereby expressly Reference is made.

Ein weiterer Vorteil der Erfindung besteht darin, daß eine Naht in einem kontinuierlichen Vorgang ausgeführt werden kann, wobei immer dann Gewebeverbinder abgeschnitten wird, wenn dies erforderlich ist. Es sind daher keine exakt vorfabrizierten Gewebeverbinderstücke erforderlich, wie dies beispielsweise bei der GB 1091282 der Fall ist.Another advantage of the invention is that a seam can be made in a continuous process, cutting tissue connectors whenever necessary. There are therefore no exactly prefabricated Gewebeverbinderstücke required, as for example in the GB 1091282 the case is.

Ein weiterer Vorteil des erfindungsgemäßen Gewebeverbinders besteht in seiner einfacheren Herstellbarkeit im Vergleich zum Stand der Technik, bei dem die Widerhaken oder Stacheln einzeln durch Einschlitzen oder Einkerben gebildet werden müssen. Denn gemäß Erfindung ist eine Wendel oder Schraubenlinie in einer Drehrichtung vorgesehen, die in einer Ausführungsform eine gleichbleibende Steigung hat und bei der sich der Widerhakeneffekt durch die Ausbildung der beiden Flanken der Wendel oder Schraubenlinie durch die Hinterschneidung ergibt.One Another advantage of the tissue connector according to the invention consists in its ease of manufacture compared to the state of Technique in which the barbs or spines individually by slitting or scoring must be formed. Because according to invention is a helix or helix provided in one direction of rotation, that in one embodiment has a consistent slope and at the barb effect by the formation of the two flanks of the helix or helix through the undercut results.

Die Erfindung wird nachfolgend an Hand von Zeichnungen und Beispielen näher erläutert; es zeigen:The The invention will be described below with reference to drawings and examples explained in more detail; it demonstrate:

1 den erfindungsgemäßen Gewebeverbinder in der Ansicht; 1 the tissue connector according to the invention in the view;

2 den Gewebeverbinder von 1 in schematischer Darstellung unter Hervorhebung der Widerhaken; 2 the woven connector of 1 in a schematic representation, highlighting the barbs;

3 eine perspektivische Darstellung eines Ausschnitts aus 2; und 3 a perspective view of a section of 2 ; and

4 einen schematischen Längsschnitt durch 3. 4 a schematic longitudinal section through 3 ,

1 zeigt einen erfindungsgemäßen Gewebeverbinder mit einem Kern 2, an dem zwei helikale oder schraubenförmige Strukturen 3 und 4 angeordnet sind, die als in entgegengesetzten Richtung wirkende Widerhakeneinrichtungen wirken. Die beiden helikalen Strukturen 3 und 4 haben den gleichen Schraubensinn und die gleiche Ganghöhe und sind in Richtung der Längsachse gegeneinander versetzt. Auf diese Weise bilden die beiden helikalen Strukturen 3 und 4 ein hinterschnittenes Gewinde, das durch einen nicht dargestellten nadelartigen Applikator, der an seinem vorderen Ende eine Spitze aufweist und durch eine ebenfalls nicht dargestellte Umhüllung in das Gewebe einbringbar ist. 1 shows a woven connector according to the invention with a core 2 , where two helical or helical structures 3 and 4 are arranged, which act as acting in the opposite direction barbs. The two helical structures 3 and 4 have the same screw sense and the same pitch and are offset in the direction of the longitudinal axis against each other. In this way, the two form helical structures 3 and 4 an undercut thread, which is introduced by a needle-like applicator, not shown, which has a tip at its front end and by a cover, also not shown in the tissue can be introduced.

Der Gewebeverbinder ist zweckmäßigerweise ein Monofilament oder Kern 1, beispielsweise ein chirurgisches Nahtmaterial aus Polypropylen, das schraubenförmig um die Längsachse eingeschnitten ist. In einer Ausführungsform hat das Schneidmesser zum Erzeugen der ersten schraubenförmigen Struktur 3 einen Winkel α von 6° zur Längsachse und einen Schneidwinkel β von 45°, wobei es bis zu einer Tiefe T von 0.084 mm einschneidet und damit eine Steglänge L von 0,8 mm erzeugt. Wenn das Messer, beispielsweise mit Keramikklinge und einem Schneidwinkel β von 45° unter der Neigung α von 6° zur Längsachse 5 des Kerns 1 nach unten oder rechts bewegt worden ist, wird es gekippt, so daß seine zuvor außenliegende Schneidfläche unter einem Winkel α' von 174° zur Längsachse des Kerns 1 angeordnet ist. Anschließend wird es schraubenförmig nach oben bewegt, und erzeugt wieder einen Einschnitt von einer radialen Tiefe von 0,084 mm im Abstand von 2,4 mm zu dem ersten Einschnitt oder der ersten helikalen Struktur 3.The fabric connector is suitably a monofilament or core 1 For example, a surgical suture made of polypropylene, which is helically cut around the longitudinal axis. In one embodiment, the cutting blade has for producing the first helical structure 3 an angle α of 6 ° to the longitudinal axis and a cutting angle β of 45 °, where it cuts to a depth T of 0.084 mm, thus creating a web length L of 0.8 mm. If the knife, for example with a ceramic blade and a cutting angle β of 45 ° under the inclination α of 6 ° to the longitudinal axis 5 of the core 1 is moved down or right, it is tilted, so that its previously external cutting surface at an angle α 'of 174 ° to the longitudinal axis of the core 1 is arranged. It is then screwed upwards, again creating a cut of 0.084 mm radial depth at a distance of 2.4 mm from the first cut or helical structure 3 ,

In einer anderen Ausführung der Erfindung wird gemäß 3 oder 4 eine Polymerfolie mit einer Breite von beispielsweise 3 mm und einer Dicke von 2,4 mm aus Polypropylen extrudiert und zur Erhöhung der Zugfestigkeit bis auf eine Dicke von 0,3 mm gestreckt. Die derart hergestellte Folie wird dann in Streifen von 15 cm Länge geschnitten. Anschließend werden die Streifen mit einer Keramikklinge unter einem Winkel von 6° zur Horizontalen Achse eingeschnitten, wobei der Schneidwinkel 45° beträgt. Die Schnittiefe des Schneidmesser ist strichpunktiert angedeutet. Außerdem sind die Schnittiefe T und der Schneidwinkel α so wie die Länge L des Widerhakens, die in dieser Ausführungsform 0,8 mm ausmacht, in 4 eingezeichnet.In another embodiment of the invention is according to 3 or 4 a polymer film having a width of, for example, 3 mm and a thickness of 2.4 mm is extruded from polypropylene and stretched to a thickness of 0.3 mm to increase the tensile strength. The film thus prepared is then cut into strips of 15 cm in length. Subsequently, the strips are cut with a ceramic blade at an angle of 6 ° to the horizontal axis, wherein the cutting angle is 45 °. The depth of cut of the cutting blade is indicated by dash-dotted lines. In addition, the depth of cut T and the cutting angle α are the same as the length L of the barb, which in this embodiment is 0.8 mm 4 located.

Parallel zu dem ersten Schnitt wird die Klinge dann unter einem zweiten Winkel α' von 174° zur Horizontalachse 5 angeordnet und die Polymerfolie gleich tief, nämlich auf T = 0,084 mm eingeschnitten. Dies ergibt die beiden gegeneinander gerichteten Widerhaken 3 und 4. Die in den 3 und 4 dargestellten Streifen werden anschließend um einen Polypropylenkern 1 mit einem Durchmesser von 0,2 mm gewickelt und durch Erwärmen befestigt. Das Umwickeln wird schraubenförmig oder helikal unter einem Winkel von 72° in Bezug auf die Längsachse 5 vorgenommen.Parallel to the first cut, the blade is then at a second angle α 'of 174 ° to the horizontal axis 5 arranged and the polymer film the same depth, namely cut to T = 0.084 mm. This results in the two oppositely directed barbs 3 and 4 , The in the 3 and 4 shown strips are then a polypropylene core 1 wrapped with a diameter of 0.2 mm and fixed by heating. The wrapping is helical or helical at an angle of 72 ° with respect to the longitudinal axis 5 performed.

In einer anderen Ausführung der Erfindung werden die mit widerhakenförmigen Einschnitten versehenen Streifen um einen Kern 1 gewickelt, der mit einem durch Wärme aktivierbaren Klebstoff beschichtet ist. Durch Anwendung von Wärme wird dann die Verbindung mit dem Widerhaken-Streifen hergestellt.In another embodiment of the invention, the strips provided with barb-shaped incisions are formed around a core 1 wound, which is coated with a heat-activatable adhesive. By applying heat, the connection is then made with the barb strip.

Es wird darauf hingewiesen, daß die helikale Struktur auch auf andere Weise oder in anderer Weise hergestellt werden kann, wobei es für den Fachmann keine Schwierigkeiten darstellt, den geeigneten Herstellungsprozeß auszuwählen. So ist es nicht unbedingt erforderlich, daß die Widerhaken 3 und 4 mit Hilfe eines Messers oder eines anderen geeigneten Werkzeugs in den Kern 1 eingeschnitten werden, sondern sie können auch durch Extrudieren bei geeigneter Formgebung der Extruktionsdüse unmittelbar in den Gewebeverbinder eingeformt werden.It should be understood that the helical structure can be prepared in other ways or in other ways, with no difficulty for one skilled in the art to select the appropriate manufacturing process. So it is not absolutely necessary that the barbs 3 and 4 with the help of a knife or another suitable tool in the core 1 but they can also be formed by extrusion with suitable shaping of the extrusion die directly into the fabric connector.

Es ist ferner nicht erforderlich, daß die Widerhaken 3 und 4 nur von einer einzigen Schraubenlinie in Form eines eingängigen Gewindes gebildet werden, denn es sind auch mehrgängige Schraubengewinde denkbar, bei denen bei gleicher Steigung die Schraubenlienien gegeneinander versetzt angeordnet sind. Diese hätte eine mehrgängige Schraube oder Wendel und damit eine mehrgängige helikale Struktur zur Folge.It is also not necessary that the barbs 3 and 4 only be formed by a single helical line in the form of a catchy thread, because there are also multi-threaded threads conceivable in which the screw helices are offset from each other with the same pitch. This would result in a multi-start screw or helix and thus a multi-start helical structure.

Claims (18)

Gewebeverbinder, mit einem Kern (1), der eine Längsachse (5) aufweist, und mit mindestens zwei an dem Kern angeordneten helikalen Strukturen (3, 4), die als in entgegengesetzten Richtungen wirkende Widerhakeneinrichtungen ausgebildet sind.Tissue connectors, with a core ( 1 ), which has a longitudinal axis ( 5 ), and having at least two helical structures arranged on the core ( 3 . 4 ) formed as barb devices acting in opposite directions. Gewebeverbinder nach Anspruch 1, dadurch gekennzeichnet, dass die helikalen Strukturen (3, 4) den gleichen Schraubensinn und die gleiche Ganghöhe aufweisen und in Richtung der Längsachse gegeneinander versetzt sind.Tissue connector according to claim 1, characterized in that the helical structures ( 3 . 4 ) have the same screw sense and the same pitch and are offset in the direction of the longitudinal axis against each other. Gewebeverbinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass genau zwei helikale Strukturen (3, 4) vorgesehen sind.Woven fabric binder according to claim 1 or 2, characterized in that exactly two helical structures ( 3 . 4 ) are provided. Gewebeverbinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in der einen Wirkrichtung mehr helikale Strukturen vorgesehen sind als in der anderen.Woven fabric connector according to claim 1 or 2, characterized that provided in one direction of action more helical structures are as in the other. Gewebeverbinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass mindestens eine der helikalen Strukturen in Form eines hinterschnittenen Gewindes ausgebildet ist.Tissue connector according to one of claims 1 to 4, characterized in that at least one of the helical structures is formed in the form of an undercut thread. Gewebeverbinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Gewebeverbinder Polypropylen aufweist.Tissue connector according to one of claims 1 to 5, characterized in that the woven connector polypropylene having. Gewebeverbinder nach einem der Ansprüche 1 bis 6, ferner gekennzeichnet durch einen nadelartigen Applikator, der in seinem vorderen Endbereich eine Spitze aufweist, und durch eine Umhüllung, die mit ihrem vorderen Endbereich vom hin teren Endbereich des Applikators ausgeht und den Kern mit den an dem Kern angeordneten helikalen Strukturen umgibt.Tissue connector according to one of claims 1 to 6, further characterized by a needle-like applicator, the has a tip in its front end region, and by a wrapping the with its front end portion from the rear end region of the applicator emanates and the nucleus with the helices arranged on the core Structures surrounds. Gewebeverbinder nach Anspruch 7, ferner gekennzeichnet durch einen zweiten nadelartigen Applikator, der mit seinem hinteren Endbereich vom hinteren Endbereich der Umhüllung ausgeht.A woven connector according to claim 7, further characterized through a second needle-like applicator, with its rear End region from the rear end of the envelope emanates. Gewebeverbinder nach Anspruch 8, dadurch gekennzeichnet, dass der Kern an einem der beiden Applikatoren nicht oder über eine Sollschwachstelle befestigt ist, während an dem anderen der beiden Applikatoren die Umhüllung nicht oder über eine Sollschwachstelle befestigt ist.Woven fabric connector according to claim 8, characterized in that that the core on one of the two applicators is not or about a Target weak point is attached while on the other of the two applicators the serving not or over a target weak point is attached. Gewebeverbinder nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Kern bzw. die an dem Kern angeordneten helikalen Strukturen einen Wirkstoff aufweisen, vorzugsweise mindestens eine der aus der folgenden Liste ausgewählten Substanzen: Analgetika, Paracetamol, Lokalanaesthetika, Lidocain, antibakterielle Wirkstoffe, Silber, Triclosan, Fungizide, antivirale Wirkstoffe, Entzündungshemmer, Wachstumsfaktoren, TGF-Protein, RGDF-Peptid, Vitamin D3, Derivate von Vitamin D3, Steroide, Vitamin A, Derivate von Vitamin A, wachstumsfördernde Substanzen, heilungsfördernde Substanzen.Tissue connector according to one of claims 1 to 9, characterized in that the core or arranged on the core helical structures have an active ingredient, preferably at least one the substances selected from the following list: analgesics, Paracetamol, local anesthetics, lidocaine, antibacterial agents, Silver, triclosan, fungicides, antiviral agents, anti-inflammatories, Growth factors, TGF protein, RGDF peptide, vitamin D3, derivatives of vitamin D3, steroids, vitamin A, derivatives of vitamin A, growth-promoting Substances, healing Substances. Gewebeverbinder nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Kern und die helikalen Strukturen einstückig ausgebildet sind.Tissue connector according to one of claims 1 to 10, characterized in that the core and the helical structures one piece are formed. Gewebeverbinder nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die helikalen Strukturen auf einem bandartigen Körper in dessen Längsrichtung ausgebildet sind und der bandartige Körper wendelartig um den Kern gewickelt ist.Tissue connector according to one of claims 1 to 10, characterized in that the helical structures on a band-like body in the longitudinal direction are formed and the band-like body helically around the core is wound. Verfahren zum Herstellen eines Gewebeverbinders nach Anspruch 11, dadurch gekennzeichnet, dass die helikalen Strukturen in ein Monofilament eingeschnitten werden.Method for producing a woven connector according to claim 11, characterized in that the helical structures be cut into a monofilament. Verfahren nach Anspruch 13, dadurch gekennzeichnet, dass zum Einschneiden einer helikalen Struktur eine Klinge um das Monofilament bewegt wird.Method according to claim 13, characterized in that that for cutting a helical structure a blade around the Monofilament is moved. Verfahren nach Anspruch 13, dadurch gekennzeichnet, dass zum Einschneiden einer helikalen Struktur die Klinge feststeht, während das Monofilament gedreht und gleichzeitig vorbewegt wird.Method according to claim 13, characterized in that that for cutting a helical structure the blade is fixed, while the monofilament is rotated and advanced at the same time. Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass der bandartige Körper extrudiert und danach um den Kern gewickelt wird.Method according to claim 12, characterized in that that the band-like body extruded and then wrapped around the core. Verfahren nach Anspruch 16, dadurch gekennzeichnet, dass der bandartige Körper mit dem Kern verschweißt wird.Method according to claim 16, characterized in that that the band-like body welded to the core becomes. Verfahren zum Herstellen eines Gewebeverbinders nach Anspruch 11, dadurch gekennzeichnet, dass der Kern mit den helikalen Strukturen drallextrudiert wird.Method for producing a woven connector according to claim 11, characterized in that the core with the helical structures is drallextrudiert.
DE200510004317 2005-01-31 2005-01-31 Polypropylene tissue connector comprises a longitudinal core having active substances, helical structures as a rear cut thread spirally coiled around the core and needle type applicator with ends covered by casing Expired - Fee Related DE102005004317B3 (en)

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