DE2322611A1 - GRAFT - Google Patents
GRAFTInfo
- Publication number
- DE2322611A1 DE2322611A1 DE2322611A DE2322611A DE2322611A1 DE 2322611 A1 DE2322611 A1 DE 2322611A1 DE 2322611 A DE2322611 A DE 2322611A DE 2322611 A DE2322611 A DE 2322611A DE 2322611 A1 DE2322611 A1 DE 2322611A1
- Authority
- DE
- Germany
- Prior art keywords
- tubular body
- line
- graft
- threads
- transplant according
- 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.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2002/065—Y-shaped blood vessels
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/06—Vascular grafts; stents
Description
Patentanwälte Dipl.-Ing. R Tsiccmann, 2322611 Patent attorneys Dipl.-Ing. R Tsiccmann, 2322611
Dipl.-Ing. H. WEiCKAiANN, Dipl.-Phys. Dr. K. Fincke Dipl.-Ing. RA.Weickmann, Dipl.-Chem. B. Huber Dipl.-Ing. H. WEiCKAiANN, Dipl.-Phys. Dr. K. Fincke Dipl.-Ing. RA Weickmann, Dipl.-Chem. B. Huber
8 MÜNCHEN 86, DEN POSTFACH 860 8208 MUNICH 86, POST BOX 860 820
MÖHLSTRASSE 22, RUFNUMMER 4S 39 21/22MÖHLSTRASSE 22, NUMBER 4S 39 21/22
<98 3921/22><98 3921/22>
MEADOX MKDIOAlS,' IffCORPORAEED, 6 Rar i ta η Road, Oakland, New Jersey, V. St, A. MEADOX MKDIOAlS, ' IffCORPORAEED, 6 Rar i ta η Road, Oakland, New Jersey, V. St, A.
Transplantatgraft
Die Erfindung "betrifft Transplantate· Insbesondere bezieht sich die Erfindung auf rohrförmige Transplantate von der Art, wie ' sie im menschlichen Körper verwendet werden, um beispielsweise rohrartige Teile, wie Arterien o.dgl.,. zu reparieren. Diese Gefäß-Transplantate sind im allgemeinen aus einem Gewebe, etwa aus Polyestererzeugnissen, wie Dacron, und müssen sehr sorgfältig eingepflanzt werden, um einen beschädigten rohrförmigen Teil des Körpers auszubessern. Ein Problem bei solchen Gefäß-Transplantaten besteht darin, daß sich das Transplantat aufgrund der ihm eigenen Biegsamkeit und aufgrund der Tatsache, daß es aus gewirkten oder gewebten Päden besteht, nicht immer präzis mit der richtigen Winkellage einführen läßt und Schwierigkeiten macht, wenn es in einem verwundenen Zustand oder in einem Zustand, wo es zu seiner Längsachse nicht die richtige Winkellage hat, eingeführt wird.The invention "relates to grafts · In particular relates to the invention on tubular grafts of the kind that are used in the human body, for example tubular parts such as arteries or the like.,. to repair. These Vascular grafts are generally made of a fabric, such as polyester products such as Dacron, and must be very carefully can be implanted to repair a damaged tubular part of the body. A problem with such vascular grafts is that the graft because of its inherent flexibility and because of the fact that it consists of knitted or woven threads, not always precise can be introduced with the correct angular position and causes difficulties if it is in a twisted state or in a state where it does not have the correct angular position in relation to its longitudinal axis, is introduced.
Ein weiteres Problem besteht darin, daß es verschiedene Typen von Transplantaten gibt, die für verschiedene Zwecke zur Verfügung stehen, und daß es nicht immer möglich ist, auf einfache Weise das spezielle Transplantat su erkennen, das für einen bestimmten Zweck gebraucht wird.Another problem is that there are different types of grafts that are available for different purposes and that it is not always possible to easily identify the particular graft that is used for a particular one Purpose is needed.
Der Erfindung liegt die .Aufgabe zugrunde? ein r-ohrförmigesThe invention is based on the task ? a tube-shaped
309888/0345309888/0345
Transplantat zu schaffen, das die erwähnten Mangel "beseitigte Das !Transplantat soll von solcher Struktur sein, daß es beim Einpflanzen in höchst präziser Weise in seiner Winkellage zur Längsachse orientierbar isto Es soll außerdem auf einfache V/eise erkennbar sein» Weiter will die Erfindung eine Kettenware als Gefäß-Transplantat schaffen, die die erwähnten Vorzüge'hat, ohne daß die Struktur des rohrförmigen Transplantats geändert wirdο -To create a transplant that "eliminated the deficiency mentioned" The! Transplant should be of such a structure that its angular position to the longitudinal axis can be oriented very precisely when it is planted o It should also be easily recognizable create a chain product as a vascular graft which has the advantages mentioned without changing the structure of the tubular graft
Zur Lösung dieser Aufgabe sieht die Erfindung einen länglichen, flexiblen rohrförmigen. Körper vor, der an seiner Außenseite eine sich in Längsrichtung, erstreckende Linie trägt, die visuell deutlich vom übrigen rohrförmigen Körper unterschieden ist, so daß im Gebrauch die Linie beim Empflanzen des rohrförmigen Transplantats eine genaue Winkelorientierung zur Längsachse ermöglichte .To solve this problem, the invention provides an elongated, flexible tubular. Body in front of that on its outside carries a line extending in the longitudinal direction, which is visually clearly distinguishable from the rest of the tubular body, see above that in use the line when planting the tubular Graft allowed an exact angular orientation to the longitudinal axis .
Weitere Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der beigefügten Zeichnungen Es zeigen:Further details of the invention emerge from the following description of an exemplary embodiment on the basis of FIG attached drawings show:
Fige1 eine perspektivische Ansicht eines Ausführungsbeispiels■■"'■' : eines erfindungsgemäßen Gefäß-Transplantates im flachgedrückten Zustand j -----Figure 1 e is a perspective view of an embodiment ■■ '' ■ ': j a vascular graft according to the invention in the flattened state -----
Figo2 das Gebilde der D1Ig0I in kleinerem Maßstab, aber im Zustand der Benützung?Figo2 the structure of the D 1 Ig 0 I on a smaller scale, but in the state of use?
Fig· 3 eine fragmentarische Darstellung der Pad en, die zum Erzeugnis der Fig»1 und 2 gewirkt sind, wobei einer der Fäden eine von den übrigen Fäden verschiedene Farbe hat?Fig. 3 is a fragmentary view of the pads that make up the product 1 and 2 are knitted, one of the threads being of a different color from the other threads Has?
Figo4 ein rohrförmiges Transplantat mit einer anderen Ausführung der Markierungslinie·*·Figo4 shows a tubular graft with a different design the marking line *
In Fig»1 ist ein rohrförmiges Transplantat 10 gemäß der Erfindung gezeigt. Das spezielle Gefäß-Transplantat 10 der Fig«1 ist als eine Kettenware gezeigt, weil die Erfindung besondersIn Fig. 1 is a tubular graft 10 according to the invention shown. The special vascular graft 10 of FIG. 1 is shown as a warp because the invention is special
3098867034530988670345
für ein solches Erzeugnis geeignet ist. Das rohrförmige Transplantat 10 hat eine Hauptröhre 12 und zwei Zweigröhren 14a und 14b, die von der Hauptröhre 12 abzweigen, so daß das Transplantat 10 eine Y-förmige Gestalt hat, insbesondere wenn es im Gebrauch ist, siehe Pig·2« Bevor es verwendet wird, ist das rohrförmige Transplantat flach zusammengedrückt, wie dies in Pig»1 zu sehen ist. Wenn es eingepflanzt ist, nimmt es die in Pig»2 gezeigte Form an«. Derartige Transplantate können aus einem Paden, etwa Dacron, bestehen, der in dem gezeigten Ausführungsbeispiel gekettelt ist. Bei allen gekettelten Transplantaten ist es möglich, Kettenfäden für die Erfindung zu verwenden.is suitable for such a product. The tubular graft 10 has a main tube 12 and two branch tubes 14a and 14b branching off from the main tube 12 so that the graft 10 is Y-shaped, particularly when in use, see Pig. 2 "Before Use , the tubular graft is compressed flat, as seen in Pig »1. When planted, it takes on the shape shown in Pig "2". Such transplants can consist of a pad, for example Dacron, which is linked in the exemplary embodiment shown. With all linked grafts it is possible to use warp threads for the invention.
In dem Beispiel der 3?ig.1 laufen zwei lange Linien 16a und 16b in Längsrichtung über das Transplantat, parallel zu dessen Längsachse. Wenn das Transplantat benutzt wird und den in Fige2 gezeigten Zustand annimmt, ermöglichen diese Linien 16a und 16b, die sieh von dem übrigen rohrförmigen Transplantat 10 visuell unterscheiden, eine höchst präzise Winkelorientierung zur Längsachse des Transplantates« Das Transplantat v/ird also nicht, in einem verwundenen Zustand eingepflanzt. Bei dem speziellen Produkt der Figd und 2 hat das eingepflanzte Transplantat zwei Zweigröhren 14a und 14b, die in ihrer Winkellage zur Hauptröhre 12 genau ausgerichtet sind. So kann man vermeiden, daß eine der-beiden Zweigröhren 14a und 14b oder auch beide bezüglich der Hauptröhre 12 verdrillt sind» Auf diese Weise sind also die beiden Zvieigröhren genau zur Hauptröhre 12 ausgerichtet und das gesamte Transplantat ist in der richtigen Winkellage zu dem rohrförmigen Körperteil, an dem es eingepflanzt ist, orientiert.In the example of Figure 3, two long lines 16a and 16b run in the longitudinal direction over the transplant, parallel to its longitudinal axis. If the graft is used, and assumes the state shown in Fige2 allow these lines 16a and 16b, the check of the remaining tubular graft 10 differ visually, a highly precise angular orientation to the longitudinal axis of the graft, "The graft v / ill thus not in a planted twisted state. In the special product of FIGS. 1 and 2, the implanted graft has two branch tubes 14a and 14b, which are precisely aligned in their angular position with respect to the main tube 12. In this way one can avoid that one of the two branch tubes 14a and 14b or both are twisted with respect to the main tube 12. In this way, the two branch tubes are precisely aligned with the main tube 12 and the entire transplant is in the correct angular position with respect to the tubular body part on which it is planted.
In Figo3 ist im einzelnen gezeigt, auf welche Weise das Gewirk des Transplantats gewirkt isto Pig.3 zeigt einen Ausschnitt 18 der für das Transplantat 10 verwendeten Kettenware« Diese ist ein auf herkömmliche Weise gewirkter Schläuche Dieses Erzeugnis bietet sich besonders für die Erfindung an, weil es einfach ist, in die Kettenware einen Kettfaden, etwa den Kettfaden 20 in Figo3, einzuführen, der sich.in der Farbe oder sonstwieIn Figo3 is shown in detail the manner in which the knitted fabric of the graft is knitted o Pig.3 shows a section 18 of the chain goods used for the graft 10 "This is a knitted in a conventional manner hoses This product is particularly suited to the invention on, because it is easy to introduce a warp thread, such as the warp thread 20 in FIG
30 988 6 /034.6-30 988 6 /034.6-
sichtbar von den übrigen Jaden unterscheidet« Auf diese Weise erhält das rohrförmige Transplantat 10 als Teil seiner Grundstruktur eine längslaufende Linie, die sowohl zur Orientierung bezüglich der Winkellage als auch zur Erkennung des Transplantattyps dienen kann«. Es gibt bekanntlich verschiedene Arten von häufig verwendeten Transplantaten, beispielsweise das Cooley-Transplantat und andere.Mit Hilfe eines geeignet kodierten Färbsystems ist es möglich, für die linien 16a und I6b, die von den Kettfaden 20 geformt sind, eine Farbe zu wählen, die den Typ des Transplantats kennzeichnet und auch noch dazu dient, eine ordnungsgemäße Winkelorientierung des Transplantats vorzusehenovisibly different from the rest of the jades «In this way receives the tubular transplant 10 as part of its basic structure a longitudinal line, both for orientation with regard to the angular position as well as to identify the type of transplant «. As is well known, there are different types of commonly used grafts, such as the Cooley graft and others. With the help of a suitably coded staining system, it is possible for lines 16a and I6b that of the warp threads 20 are shaped to choose a color which identifies the type of graft and what is more serves to provide proper angular orientation of the graft o
Die Erfindung beschränkt sich jedoch nicht auf solche Markierungslinien, die unmittelbar in das Fabrikat eingewirkt oder eingewebt sind, aus dem das rohrförmige Transplantat besteht. So zeigt Fig.4 ein rohrförmiges Transplantat 22, das beispielsweise rundgewirkt sein kann«. Bei einem solchen Erzeugnis stehen keine längslaufende Fäden entsprechend den Kettfäden des Beispiels der Figoi—3 zur Verfügung«. Deshalb können im Beispiel der Figo 4 die Längslinien 24a, 24b und 24c direkt auf die Außenfläche des rohrförmigen Transplantats 22 mit Hilfe eines geeigneten Instruments, etwa einer Feder, aufmarkiert werden» Auch in diesem Fall sieht man, daß die Linien 24a und 24b entlang den beiden Zweigröhren 26a und 26b laufen«. Jedoch erstreckt sich nur eine einzige Linie 24c entlang der Hauptröhre 28o Da in diesem Fall die Linien 24a-24c unmittelbar auf dem rlhrförmigen Transplantat markiert werden, ist nur eine einzige Linie 24c auf der Hauptröhre 28 erforderlich, die sich parallel zur Achse der Hauptröhre von dem Verzweigungspunkt der beiden Zweigröhren 26a und 26b aus erstreckt·However, the invention is not limited to those marking lines which are directly knitted or woven into the product from which the tubular transplant is made. Thus, FIG. 4 shows a tubular transplant 22, which can for example be knitted round. In such a product there are no longitudinal threads available corresponding to the warp threads of the example in FIGS. Therefore, in the example of FIG. 4, the longitudinal lines 24a, 24b and 24c can be marked directly on the outer surface of the tubular transplant 22 with the aid of a suitable instrument, such as a spring two branch tubes 26a and 26b run «. However, only a single line 24c extends along the main tube 28 o In this case, the lines 24a-24c marked directly on the rlhrförmigen graft, only a single line 24c is needed on the main tube 28 extending from parallel to the axis of the main tube extends from the branching point of the two branch tubes 26a and 26b
Die Erfindung sieht also ein rohrförmiges Transplantat vor, das im Gebrauch bezüglich seiner Drehlage einfach ausrichtbar ist und das ohne weiteres erkennbar ist. Diese Vorzüge werden ohne eine Änderung der grundlegenden Natur des TransplantatsThe invention therefore provides a tubular transplant which can be easily aligned with respect to its rotational position during use and that is easily recognizable. These benefits are achieved without changing the basic nature of the graft
309886/03A6309886 / 03A6
232^611232 ^ 611
selbst erzielt, so daß die Erfindung auf herkömmliche rohrformige Transplantate anwendbar isto achieved itself, so that the invention is applicable to conventional tubular grafts o
309886/034S309886 / 034S
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US00275996A US3805301A (en) | 1972-07-28 | 1972-07-28 | Tubular grafts having indicia thereon |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2322611A1 true DE2322611A1 (en) | 1974-02-07 |
Family
ID=23054702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2322611A Ceased DE2322611A1 (en) | 1972-07-28 | 1973-05-04 | GRAFT |
Country Status (6)
Country | Link |
---|---|
US (1) | US3805301A (en) |
JP (1) | JPS4944591A (en) |
CA (1) | CA995852A (en) |
DE (1) | DE2322611A1 (en) |
FR (1) | FR2194406B1 (en) |
GB (1) | GB1383722A (en) |
Cited By (1)
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US5527353A (en) * | 1993-12-02 | 1996-06-18 | Meadox Medicals, Inc. | Implantable tubular prosthesis |
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US2857915A (en) * | 1956-04-02 | 1958-10-28 | David S Sheridan | X-ray catheter |
US2990605A (en) * | 1957-01-30 | 1961-07-04 | Demsyk Paul | Method of forming artificial vascular members |
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US3479670A (en) * | 1966-10-19 | 1969-11-25 | Ethicon Inc | Tubular prosthetic implant having helical thermoplastic wrapping therearound |
-
1972
- 1972-07-28 US US00275996A patent/US3805301A/en not_active Expired - Lifetime
-
1973
- 1973-03-23 CA CA166,902A patent/CA995852A/en not_active Expired
- 1973-03-29 GB GB1517373A patent/GB1383722A/en not_active Expired
- 1973-05-04 DE DE2322611A patent/DE2322611A1/en not_active Ceased
- 1973-07-13 JP JP48079227A patent/JPS4944591A/ja active Pending
- 1973-07-27 FR FR7327730A patent/FR2194406B1/fr not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5527353A (en) * | 1993-12-02 | 1996-06-18 | Meadox Medicals, Inc. | Implantable tubular prosthesis |
US5800510A (en) * | 1993-12-02 | 1998-09-01 | Meadox Medicals, Inc. | Implantable tubular prosthesis |
US5911753A (en) * | 1993-12-02 | 1999-06-15 | Meadox Medicals, Inc. | Implantable tubular prosthesis |
US6099557A (en) * | 1993-12-02 | 2000-08-08 | Meadox Medicals, Inc. | Implantable tubular prosthesis |
US6589468B1 (en) | 1993-12-02 | 2003-07-08 | Meadox Medical, Inc. | Method of forming an implantable tubular prosthesis |
US6814753B2 (en) | 1993-12-02 | 2004-11-09 | Scimed Life Systems, Inc. | Implantable tubular prosthesis |
Also Published As
Publication number | Publication date |
---|---|
US3805301A (en) | 1974-04-23 |
FR2194406B1 (en) | 1976-11-12 |
JPS4944591A (en) | 1974-04-26 |
GB1383722A (en) | 1974-02-12 |
FR2194406A1 (en) | 1974-03-01 |
CA995852A (en) | 1976-08-31 |
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