DE3607933A1 - Dehnungshalter fuer schnittoeffnungen zum gebrauch bei chirurgischen operationen - Google Patents
Dehnungshalter fuer schnittoeffnungen zum gebrauch bei chirurgischen operationenInfo
- Publication number
- DE3607933A1 DE3607933A1 DE19863607933 DE3607933A DE3607933A1 DE 3607933 A1 DE3607933 A1 DE 3607933A1 DE 19863607933 DE19863607933 DE 19863607933 DE 3607933 A DE3607933 A DE 3607933A DE 3607933 A1 DE3607933 A1 DE 3607933A1
- Authority
- DE
- Germany
- Prior art keywords
- outer tube
- inner tube
- wires
- handle
- tube
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
Description
3607333
Hisayoshi SUMA, High-Lark Nishi Kyogoku 101,
64 Hartianohommachi, Nishi kyogoku, Ukyo-ku
Japan - Kyoto
Dehnungshalter für Schnittöffnungen zum
Gebrauch bei chirurgischen Operationen
Die vorliegende Erfindung bezieht sich auf einen Dehnungshalter für Schnittöffnungen
für ein Blutgefäßtransplantat, das in
chirurgischen Operationen, insbesondere bei der Inoskulation (Anastomose), d.h.
bei der Vereinigung von Blut- und Lymphgefäßen oder Nerven untereinander bzw. bei der
operativen Verbindung von Hohlorganen allgemeiner Art, benutzt wird.
Bisher stützte sich eine Operation, bei der die Inoskulation eines Blutgefäßes vorgenommen
wurde, hauptsächlich auf die Fingerfertigkeit
der Chirurgen im Umgang mit Pinzette, Nadel und Faden beim Zusammennähen. Nur ein sogenanntes
"Blutgefäßnähgerät", das dazu dient, Blutgefäße, in Längsrichtung zu inoskulieren,
ist bereits bekannt. Das Gerät dieses Typs kann jedoch nicht für eine solche Inoskulat"ion
eines Blutgefäßes benutzt werden, bei der ein Bypass (eine Umgehung) zu einer Einschnittöffnung
in der Seitenwand genäht wird.
Bei einer solchen Operation, in der ein Kranzarterienbypass geschaffen wird, der
die Kranzarterien durch ein Venentransplantat verbindet, ist es wesentlich, daß die
inoskulierte öffnung des Transplantats während der Operation offengehalten wird, um die
Operation bei gutem Sehfeld mit dreidimensional ausgebreiteter Schnittöffnung vorzunehmen.
Jedoch kann es, obwohl der Chirurg versucht, die Schnittöffnung mit der Pinzette zu öffnen,
schwierig sein, die öffnung dreidimensional in feststehendem Zustand zu halten, um ein
gutes Sehfeld während der Operation zu erhalten.
Hauptabsicht der vorliegenden Erfindung ist es, ein Instrument zu schaffen, das die Einschnittöffnung
eines Blutgefäßtransplantats total offen halten und das den zu inoskulierenden Teil
dreidimensional halten kann, um ein ausreichendes Sehfeld während der Operation zu erhalten.
Eine weitere Absicht der Erfindung ist es, ein Instrument zu schaffen, das in das Lumen eines
Venentransplantats eingeführt werden kann und das den zu inoskulierenden Teil des Transplantats
vom Lumen aus ausdehnt.
Weiter ist es Absicht der Erfindung, durch einige kurze Drähte, die am Ende der inneren Röhre befestigt
sind, die Einschnittöffnung so weit
- 3
offenzuhalten, daß diese nicht etwa reißt,
wenn sie vom Lumen des Blutgefäßtransplantats
her ausgedehnt wird.
Ein weiteres Ziel der Erfindung ist es, ein Instrument zu schaffen, welches eine äußere
Röhre besitzt, eine innere Röhre, die verschiebbar in die äußere Röhre eingepaßt ist,
und einen Griff. Die innere Röhre hat mehrere Drähte; diese dehnen die Einschnittsöffnung
des Blutgefäßtransplantats vom Lumen des
Transplantats her in drei Dimensionen aus, und zwar durch Betätigung des Griffes.
Ein letztes Ziel der Erfindung ist es, ein Gerät zu schaffen, dessen Drähte am Ende
abgerundet sind, so daß das Blutgefäßtransplantat nicht verletzt wird, wenn die Einschnittsöffnung vom Lumen des Transplantats
her ausgedehnt wird.
Um diese Ziele zu erreichen, liefert die vorliegende Erfindung einen Dehnungshalter für
Schnittöffnungen zum Gebrauch bei chirurgischen
Operationen wie z.B. der Inoskulation eines Blutgefäßtransplantats. Er besteht aus einer
äußeren Röhre, die in das Lumen eines Blutgefäßtransplantats
eingeführt werden kann, aus einer inneren Röhre, die verschiebbar in die äußere Röhre eingelagert ist,und aus einem
Griff, der an einem Ende der inneren Röhre befestigt ist. Die innere Röhre besitzt mehrere
Drähte, die mit einem Ende an einem Ende der inneren Röhre befestigt und in der äußeren Röhre
untergebracht sind. Jeder Draht besitzt (Feder-)-Kraft, z.B. in Form einer Ausbildung als Feder,
um das Blutgefäßtransplantat vom Lumen her
auszudehnen, wenn er aus seinem zusammengedrückten
- 4
Zustand in der äußeren Röhre befreit wird, dadurch daß man den Griff betätigt und die
innere Röhre innerhalb der äu&eren Röhre verschiebt, um die Drähte herauszuschießen.
So kann der Dehnungshalter für Schnittöffnunnen,
der gemäß der Erfindung eine schmale äußere Röhre besitzt, im Falle einer Kranzarterienbypassoperation,
wobei eine Vene als Transplantat benutzt wird, in das Lumen eines Blutgefäßes eingeführt werden und, wenn
sein Ende an die Schnittöffnung des Transplantats herangeführt worden ist, die innere
Röhre innerhalb der äußeren Röhre so verschoben werden, daß einige Drähte aus der
inneren Röhre herausschießen und sich ausbreiten, um die Schnittöffnung um mehr als
den Durchmesser der äußeren Röhre auszudehnen.
Um die Drähte in drei Dimensionen auszubreiten, wird die innere Röhre durch Betätigung des
Griffes innerhalb der äußeren Röhre verschoben, so daß die Drähte aus der äußeren Röhre
herausschieben. Jeder Draht krümmt sich ein wenig in Richtung einer Parallele zur Mittellinie
der Röhre, um zu verhindern, daß das Lumen des Transplantats verletzt wird.
Der Dehnungshalter für Schnittöffnungen zur
Inoskulation gemäß der Erfindung kann mit Leichtigkeit und Sicherheit in das Lumen
eines Blutgefäßtransplantats mit einem Durchmesser von ungefähr 2 bis 6 mm eingeführt
werden und kann die innere Röhre innerhalb der äußeren Röhre in der Nähe der
Schnittöffnung durch Gebrauch des Griffes
verschieben, wobei gleichzeitig die Drähte herejsgeschossen werden. Die Drähte, die
aus der äußeren Röhre herausgeschossen sind, sine individuell energisiert, um sich
dreidimensional zu öffnen und um die Schnittöffnung in angemessener Weise auszudehnen.
Somit ist die Operation, die eine akkurate Arbeit mit der Nadel um die Inoskulationsöffnung
herum voraussetzt, leicht und sicher gewerden. Folglich ist auch eine Inoskulationsoperation
einer Seitenwand eines Venentransplartats an der einen Arterie (Seit-an-Seit-Inoskulation
) wie eine Kranzarterienbypassoperation einfach geworden. Nach der Operation
wird die innere Röhre in die äußere Röhre gezogen, und die Drähte werden wieder in die
äußere Röhre eingepaßt.
Zei(hnungsbeschreibung
Zeichnung 1 ist eine perspektivische Ansicht,
die den Dehnungshalter für Schnittöffnungen
in nicht angewandtem Zustand zeigt. Zeichnung 2 ist eine perspektivische Ansicht
desselben, wobei die Drähte sich in ausgefahrener Arbeitsstellung befinden.
Die Zeichnungen 3 bis 5 sind Illustrationen,
die ein Beispiel vor Gebrauch des Dehnungshal :ers für Schnittöffnungen, nämlich bei
einer Kranzarterienbypassoperation , zeigen.
Die Zeichnungen 6 bis 9 sind Draufsichten auf das zerlegte Gerät, die eine andere Ausfüh'-ungsform
des erfindungsgemäßen Dehnungshalters zeigen, wobei Zeichnung 6 eine Draufsicht
auf die äußere Röhre, Zeichnung 7 eine Draufsicht auf die innere Röhre, Zeichnung 8
6'
BAD ORIGINAL
eine Draufsicht auf den Griff, teilweise in einer Srhnittzeichnung dargestellt, und
Zeichnung 9 eine Seitenansicht des Griffes ist.
Zeichnung 10 ist eine Draufsicht auf das zusammengebaute Gerät mit herausstehenden
Drähten, also in Arbeitsstellung.
Zeichnung 11 ist eine Seitenansicht desselben.
Detaillierte Beschreibung der Zeichnungen
In Zeichnung 1 stellt (1) eine äußere Röhre, (2) eine innere Röhre dar. Die innere Röhre
hat fast dieselbe Länge wie die äußere Röhre und ist verschiebbar in die äußere Röhre (1)
eingelagert. Der Durchmesser der äußeren Röhre beträgt ungefähr 4 mi? und seine Länge
beträgt ungefähr 150 mm. An einem Ende der inneren Röhre (2) ist ein Griff (3) befestigt.
Der Griff hat eine solche Größe, daß er im Handteller gehalten werden kann (vorgeschlagener
Durchmesser und Länge ca. 30 mm bzw. ca. 55 mm). Mehrere Drähte (5) sind am anderen Ende der
inneren Röhre befestigt. D-'ese Drähte (5) können in der äußeren Röhre untergebracht werden,
und sie sind gleichzeitig energisiert, um sich in drei Dimensionen auszudehnen, wenn sie
aus der äußeren Röhre herausschießen bzw. herausgeschoben werden. Diese energisierende
Kraft soll die Schnittöffnung des Blutgefäßtransplantats in einem Maße ausdehnen, daß
die Operation erleichtert wird, darf aber natürlich das Blutgefäß nicht zerreißen. Um
der Verletzung des Lumens des Transplantats vorzubeugen, sind die Drähte ein wenig in
'"■* 3 3607333
Richtjng einer Parallele zur Mittellinie
der Rjhre gekrümmt. Zusätzlich soll der runde Teil (6), vorzugsweise in Kugelform,
der am Ende eines jeden Drahtes (5) angebracht ist, das Lumen des Blutgefäßes vor
Verletzung schützen.
Die innere Röhre (2) ist innerhalb der äußeren Röhre (1) verschiebbar, und die
Drähte, die am Ende der inneren Röhre befestigt sind, werden dreidimensional ausgedehnt,
wenn sie aus der äußeren Röhre herausschießen. Die äußere Röhre (1) besitzt
eine Einrastvorrichtung (7) und der Griff (3) eine Sperrvorrichtung (8)„
Werden diese beiden (7 und 8) nach dem Herausschießen der Drähte ineinandergeschoben,
wird die Drehung der "äußeren Röhre verh ndert, so daß ein stabilisierter Gebrauch
des. Geräts sichergestellt ist. Ein Beispiel seines Gebrauchs bei einer Kranzarte
-ienbypassoperation wird in den Zeichnungen 3 bis 5 gezeigt. (9) stellt ein
Venentransplantat, (10) eine Schnittöffnung
dar, (11) ist eine erste Inoskulation, (12)
stellt einen zweiten inoskulierten Teil dar, (13) bezeichnet die Kranzarterie, (14) ist
ein Thrombus (Blutpfropfen) und (15) ein
Nähfaden.
Der Dehnungshalter für Schnittöffnungen gemäß
der Erfindung wird, wie in Figur 3 gezeigt wird, in das Venentransplantat (9) vom
vertikal aufgeschnittenen Ende her eingeführt. Noch befindet sich die innere Röhre (2) in
einer solchen Stellung, daß die Drähte in der äußeren Röhre (1) untergebracht sind. Wenn
das Ende der äußeren Röhre (1) an die Stelle der Schnittöffnung (10) des Venentransplantats (9)
BAD ORDINAL
kommt, wird die innere Röhre 2) verschoben, um die Drähte (5) aus der äußeren Röhre zu
bringen, um so die Schnittöffnung (10) zu
erweitern. Folglich kann das Venentransplantat (9) sowohl an dem ersten zu inoskulierenden Teil (11)
als auch den zweiten zu inoskulierenden Teil (12) angenäht werden und sogar, wenn sich Thromben (14)
in zwei Kranzarterien (13) gebildet haben, kann eine Bypassoperation leicht mit einem Venentransplantat
erreicht werden.
Die Zeichnungen 6 bis 11 zeigen eine andere Ausführungsform des Dehnungshalters für
Schnittöffnungen gemäß der Erfindung.
Figur 6 zeigt eine äußere Röhre (16); Figur 7 zeigt eine innere Röhre (17); die Figuren
8 und 9 zeigen einen Griff (18). Diese Bilder sind Darstellungen des Geräts in zerlegter
Anordnung.
Die innere Röhre (17) ist an ihrer Basis (19) in der Fassung (20) des Griffes (18) befestigt
und von der äußeren Röhre (16) umschlossen, um das Gerät zu vervollständigen. (21) stellt
kurze Drähte dar, die am Endt der inneren Röhre in 120c-Abständen befestigt sind. (22) stellt eine
Einrastvorrichtung dar, die sich an dem Griff zugewandten Ende der äußeren Röhre befindet, urd
(23) ist eine Sperrvorrichtung am Griff (18). Wenn die Einrastvorrichtung (22) und die Sperrvorrichtung
(23) ineinandergeschoben werden, wie in Figur 10 gezeigt wird, schießen die Drähte (21),
die an der inneren Röhre (17) befestigt sind, aus der äußeren Röhre (16) und dehnen sich dreidimensional
aus.
AQ
Die „änge der äußeren Röhre (16) beträgt
ca. 56 bis ca. 206 mm, die der inneren Röhre (17) beträgt ca. 85 bis ca. 205 mm und die der Drähte (21) beträgt ca. 10 bis
ca. -'δ mm. Verschiedene Kombinationen
dieser Einzelteile sind innerhalb der oben genannten Abmessungsirenzen möglich. Sie
sorgen dafür, daß die Drähte (21) herausschießen, wenn die innere Röhre mit ihrem
einen Ende (19) in den Griff (18) eingerastet ist.
Obwohl nur die bevorzugten Darstellungen der
Erfindung hier besonders illustriert und beschrieben wurden, ist es natürlich möglich,
geringe Änderungen, z.B. in den Abmessungen, vorzunehmen, ohne vom Charakter und Anwendungsbereich
der Erfindung, wie sie in den Schutzansprüchen festgelegt sind, abzuweichen.
BAD ORIGINAL
Claims (4)
1. Dehnungshalter für Schnittöffnungen, insbesondere
zur Durchführung einer sogenannten Inoskulation (Anastomosierung), dadurch gekennzeichnet, daß er
aus einer äußeren Röhre (1, 16) besteht, die so ausgebildet ist, daß sie in das Lumen eines Blutgefäßtransplantats
eingeführt werden kann, sowie einer inneren Röhre (2,17), die verschiebbar in der
äußeren Röhre (1,16) eingelagert ist, an deren einem Ende sich ein Griff (3,18) befindet, wobei
die innere Röhre (2,17) mehrere energisierte Drähte (5,21)
besitzt, die an dem dem Griff (3,18) gegenüberliegenden
Ende der inneren Röhre (2,17) befestigt sind und im Ruhezustand in der äußeren Röhre (1,16) untergebracht sind.
2. Dehnungshalter nach Anspruch 1, dadurch gekennzeichnet,
daß der Griff (3,18) eine Sperrvorrichtung (8,23) und ein Ende der äußeren Röhre (1,16) eine Einrastvorrichtung
(7,22) aufweist.
3. Dehnungshalter nach den vorhergehenden Ansprüchen, dadurch gekennzeichnet, daß die Drähte (5,21) energisiert
sind und jeder Draht (5,21) einen runden (kugelförmigen) Teil (6) an seinem Ende besitzt.
4. Dehnungshalter nach den vorhergehenden Ansprüchen,
dadurch gekennzeichnet, daß jeder Draht (5,21) ein wenig in Richtung einer Parallele zur Mittelachse
der inneren Röhre (2,17) gekrümmt ist.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60051352A JPS61209647A (ja) | 1985-03-14 | 1985-03-14 | 血管吻合用の切開口拡開器 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3607933A1 true DE3607933A1 (de) | 1986-09-25 |
DE3607933C2 DE3607933C2 (de) | 1989-01-26 |
Family
ID=12884533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19863607933 Granted DE3607933A1 (de) | 1985-03-14 | 1986-03-11 | Dehnungshalter fuer schnittoeffnungen zum gebrauch bei chirurgischen operationen |
Country Status (3)
Country | Link |
---|---|
US (1) | US4654028A (de) |
JP (1) | JPS61209647A (de) |
DE (1) | DE3607933A1 (de) |
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DE7736713U1 (de) * | 1900-01-01 | Aesculap-Werke Ag Vormals Jetter & Scheerer, 7200 Tuttlingen | ||
FR2085427A1 (de) * | 1970-04-20 | 1971-12-24 | Soichet Samuel |
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US2137710A (en) * | 1937-12-13 | 1938-11-22 | Alfred W Anderson | Forceps |
US3858586A (en) * | 1971-03-11 | 1975-01-07 | Martin Lessen | Surgical method and electrode therefor |
DE2326988B2 (de) * | 1973-05-26 | 1977-02-24 | Drägerwerk AG, 2400 Lübeck | Chirurgisches instrument zur sterilisation von frauen durch tubenligatur |
CA1018419A (en) * | 1973-07-04 | 1977-10-04 | Gerald Turp | Instrument for laparoscopic tubal cauterization |
US4174715A (en) * | 1977-03-28 | 1979-11-20 | Hasson Harrith M | Multi-pronged laparoscopy forceps |
US4249533A (en) * | 1977-05-16 | 1981-02-10 | Olympus Optical Co., Ltd. | Laser knife |
US4222380A (en) * | 1977-12-02 | 1980-09-16 | Olympus Optical Co., Ltd. | Celiac injector |
DE3012447C2 (de) * | 1980-03-31 | 1982-04-01 | Harald 7200 Tuttlingen Maslanka | Chirurgisches Greiferinstrument |
US4393872A (en) * | 1980-05-27 | 1983-07-19 | Eder Instrument Co., Inc. | Aspirating surgical forceps |
-
1985
- 1985-03-14 JP JP60051352A patent/JPS61209647A/ja active Granted
-
1986
- 1986-01-29 US US06/823,950 patent/US4654028A/en not_active Expired - Fee Related
- 1986-03-11 DE DE19863607933 patent/DE3607933A1/de active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7736713U1 (de) * | 1900-01-01 | Aesculap-Werke Ag Vormals Jetter & Scheerer, 7200 Tuttlingen | ||
FR2085427A1 (de) * | 1970-04-20 | 1971-12-24 | Soichet Samuel |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5520697A (en) * | 1992-06-20 | 1996-05-28 | Angiomed Ag | Apparatus for correcting the position of a stent |
AU684371B2 (en) * | 1994-06-15 | 1997-12-11 | United States Surgical Corporation | Surgical handle having a controlled leak passage |
RU2472459C2 (ru) * | 2007-08-31 | 2013-01-20 | Кимберли-Кларк Ворлдвайд, Инк. | Расширитель стомы |
Also Published As
Publication number | Publication date |
---|---|
JPH0237773B2 (de) | 1990-08-27 |
DE3607933C2 (de) | 1989-01-26 |
JPS61209647A (ja) | 1986-09-17 |
US4654028A (en) | 1987-03-31 |
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