DE2051991A1 - Surgical device for suturing tissues - Google Patents
Surgical device for suturing tissuesInfo
- Publication number
- DE2051991A1 DE2051991A1 DE19702051991 DE2051991A DE2051991A1 DE 2051991 A1 DE2051991 A1 DE 2051991A1 DE 19702051991 DE19702051991 DE 19702051991 DE 2051991 A DE2051991 A DE 2051991A DE 2051991 A1 DE2051991 A1 DE 2051991A1
- Authority
- DE
- Germany
- Prior art keywords
- clamp housing
- plunger
- screw
- housing
- limiter
- 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.)
- Granted
Links
- 238000009958 sewing Methods 0.000 claims description 26
- 230000000694 effects Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 208000002847 Surgical Wound Diseases 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 1
- 229920002494 Zein Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
-
- 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
Description
CHIRURGISCHES GERÄT ZUM KLAMMERNÄHEN VON GEWEBEN Die vorliegende Erfindung bezieht sich auf Medisinausrüstungen, insbesondere auf ohirurgische Geräte zum Klammernähen von Geweben, die beii Zusammennähen von Blutgefäßen-, Dars-, Magenstümpfen, Lungengewebe und anderer Organe ihre Verwendung finden können. SURGICAL EQUIPMENT FOR CLIP-SEWING TISSUE The present Invention relates to medical equipment, particularly to surgical devices for stapling tissues that are used when sewing together blood vessels, stumps of Lung tissue and other organs can be used.
Es ist bereits bekannt ein chirurgisches Gerät zum Klammeraähen von Geweben (s. den Urheberschein d. UdSSH Nr. 840 299), welches einen Stütskörper mit einer offenen Längsnut enthält. An des Stätz@örper ist eine Matrize befestigt, die sul Abbiegen der Klammern dient. In der Nut des Stützkörpers wird ein Klammergehäuse angeordnet, das aus eines an einer Stange befestigten Kopf mit einem Loch fürs Magazin mit Klammern besteht. A surgical device for sewing staples is already known Tissues (see the copyright of the USSH No. 840 299), which has a support body with contains an open longitudinal groove. A die is attached to the support body, which sul turning the brackets is used. A clamp housing is placed in the groove of the support body arranged from one to one Rod attached head with a There is a hole for the magazine with clips.
Die Stange des Klammergehäuses ist auf hohl ausgeführt. The rod of the clamp housing is made hollow.
Die Klammerbranohe weist auch einen Stößel, welchen der auf der Stößelstange befestigte Kopfstempel bildet, wobei die Stößelstange im Bohlraum der Stange des Klammergehäuses untergebracht ist. Der Kopfstempel des Stößels stellt zwei in einzelne Kammsähne geschnittene Platten dar, deren Verteilung mit der der Klammernuten in dem Klammermagazin übereinstimmt.The staple brace also has a plunger, which is the one on the pushrod Forms attached head stamp, wherein the push rod in the pile space of the rod of the Clamp housing is housed. The head punch of the ram puts two in a single one Plates cut with combs, the distribution of which corresponds to that of the bracket grooves in matches the staple magazine.
Am Klammergehänse wird ein Begrenzer gegen dieses verstellbar befestigt, der zum Zurückhalten des zusammenzunähenden Gewebe sowie des Klammermagazine vorgesehen ist, welches in seinen Sitz ia Klammergehäuse bei völlig herausgeschobener Stellung des Begrenzers eingesetzt wird. Das Klammergehäuse und der Stößel sind mit Gewinden versehen, um diese länge des Stützkörpers hin- und herbewegen zu können. Der Gemindetrieb des Klammergehäuses besteht aus auf auf das die Stange des Klammergehäuses geschnittene Gewinde aufgeschraubten Mutter. Die Mutter weist eine Ringnut auf, in die eine Warse des Stützkörpers eingreift. Die Mutter bleibt bei ihrer Drehung dem Stützkörper gegenüber in Längsrichtung unbeweglich und das Klammergehänse und der in diese sitzende Stößel können sich längs des Stützkörpers hin- und herbewegen. Das Ende der Stößelstange tritt über die Grenzen der Stange des Klammergehäuses heraus. Am Ende der Stößelstange ist auch ein Vor-Bohrung vorhanden. Der Gewinde trieb des Stößels enthält eine das Mutter, die ebenfalls auf genannte, auf der Stange des Elammergehäuses geschnittene Gewinde aufgeschrabt ist und gegen einen Absatz der Stößelstange drückt, Dreht man an der Mutter des Stößel triebes, so bewegt sich dieser dem Klammergehäuse gegenüber hin und her. Das Ende der Stößelstange endet mit einem Schraubengewinde, auf die noch eine Anschlagmutter aufgeschraubt wird, die sich bis zum zusammenstoß mit der Mutter des Stößeltriebes verstellen kann. Will sich die Mutter des Stößel triebes von dem Gewinde der Stange des Klammergehäuses abschrauben, su drückt diese gegen die Anschlagmutter und sieht den Stößel in seine Ausgangsstellung zurück. A limiter is fastened to the clip hanger so that it can be adjusted against this, intended to hold back the tissue to be sewn together and the staple magazine is, which is in its seat ia bracket housing in the fully pushed out position of the limiter is used. The clamp housing and the plunger are threaded provided in order to be able to move this length of the support body back and forth. The community enterprise of the clamp housing consists of on the cut the rod of the clamp housing Thread screwed nut. The nut has an annular groove into which a warse of the support body engages. The nut remains with the support body as it rotates opposite immovable in the longitudinal direction and the clamp housing and the seated in this The plunger can move back and forth along the support body. The end of the push rod occurs beyond the limits of the rod of the clamp housing out. At the There is also a pre-drilled hole at the end of the push rod. The thread drove the The ram contains a nut, also called on, on the rod of the Elammergehäuses cut thread is scraped and against a paragraph of the Push rod pushes, if you turn the nut of the push rod, it moves this back and forth across the clamp housing. The end of the push rod ends with a screw thread onto which a stop nut is screwed, which can be adjusted until it collides with the nut of the ram drive. Will the nut of the plunger drove from the thread of the rod of the clamp housing unscrew, see below presses this against the stop nut and sees the plunger in his Starting position back.
Das Gerät besitzt einen Feststeller gegen vorzeitigen Bewegungsgang des Stößels, der einen Handhebel, der von Hand in seine zwei Stellungen verschwenkt werden kann, enthält. The device has a lock to prevent premature movement of the plunger, the one hand lever that is pivoted into its two positions by hand can be contains.
In seiner ersten Stellung verbindet der Feststeller den Stö-Bel mit dem Klammergehäuse und verhindert dadurch ihre gegenseitige Bewegung. In seiner zweiten Stellung nimmt der Feststellsr diese Verbindung zwischen dem Stößel und Klammer.In its first position, the lock connects the Stö-Bel with the clamp housing and thereby prevents their mutual movement. In its the second position takes the Feststellsr this connection between the plunger and Bracket.
gehäuse weg. Infolgedessen kann der Stößel bei Drehung der Mutter zeines Gewindetriebes sich längs des Klammergehäuses verstellen.housing away. As a result, when the nut rotates, the ram zeines screw drive adjust along the bracket housing.
Be i Benutzung des Geräts hält der Chirurg dieses der. When using the device, the surgeon holds it in place.
art, daß die patrize unter dem zusammenzunähenden Gewebe liegt, und legt des zu nähende Gewebe mit Hilfe des Begrenzers fest.kind that the patrix is under the tissue to be sewn together lies, and determines the fabric to be sewn with the help of the limiter.
Hiernach dreht der Chirurg an der Mutter des Gewindetriebes des Klammergehäuses, indem das letztgenannte an die Matrize zu bis auf die Stelle nähergeschoben wird, an der zwischen der Matrize und arbeitenden Stirnfläche des im Kopfdes Klammergehäuses eingesetzten Magasins mit den Klammern sich ftir den Gemebedurohstich nOtwendiger Abstand einstellt.Then the surgeon turns the nut of the screw drive of the clamp housing, by pushing the latter closer to the die to the point where on the end face of the working between the die and the head of the clamp housing The magasins used with the brackets are more necessary for the common turbo stitch Distance adjusts.
Im folgenden verschwenkt der Chirurg den Handhebel des Feststellers in die Stellung, bei der eine Verstellung des Stößels gegen das Klammergehänse möglich wird, und schiebt durch Drehung der Mutter des Gewindetriebes des Stößels dieses vormärts in Richtung des zu näbenden Gewebes zu. Die Kamm zähne des Stößels @ dabei in die Klammernuten des Klammermagazins ein und stoßen die Klammern heraus. Die Klammern stechen das Gewebe mit ihren Füßchen durch und biegen sich in die Ausfräsungen der Matrize drückend zu der B-förmige Gestalt ab, indem dadurch die Ränder der viln. The surgeon then swivels the hand lever of the locking device into the position in which an adjustment of the plunger against the clamp housing is possible and pushes the ram by turning the nut of the screw drive forward in the direction of the tissue to be sutured. The comb teeth of the ram @ here into the staple grooves of the staple cartridge and eject the staples. the Staples pierce the tissue with their feet and bend into the milled holes pressing the die to the B-shaped shape, thereby removing the edges of the viln.
de fest zusammenverbunden werden.de are firmly connected.
Das bereits beschriebene Gerät besitzt Jedoch folgende Nachteile. Der Chirurg kann vergessen haben, vor Beginn der Arbeit den Handhebel des Feststellers in die Stellung zu verschwenken, bei der der Stößel mit dem Klammergehäuse in Verbindung tritt . Im Hinblick auf mögliche Vermschselung von Chirurgen der Mutter des Klammergehäusetriebes mit der des Stößeltriebes, da diese sich nebeneinander befinden, kann der Chirurg co @ die Klammern in die offene Wunde heraus stoßen. However, the device described above has the following disadvantages. The surgeon may have forgotten to use the locking lever before starting work to pivot into the position in which the plunger is in connection with the clamp housing occurs. With a view to possible muddling by surgeons, the nut of the clamp housing drive with that of the ram drive, since these are next to each other, the surgeon co @ poke the staples out into the open wound.
Wenn aber der Chirurg den Handhebel des Feststellers hat in die Stellung gebracht, bei der der Stößel mit dein Klammergehäuse verbunden ist, und doch die Mutter des Klammergehäusetriebes mit der des Stößeltriebes verwechselt hat, so ist er Jetzt nicht imstande, die Klammern aus dem Klammermagazin frühzeitig herauszustoßen, und muß aber stets daran denken, daß der vorzeitig vormärtsgeschobene Stößel in seine Ausgangsstellung zurückgeführt werden muß. Sonst klemmt der Stößel den Feststeller fest, so daß der Chirurg bei vorbereitetem Zusammennähen nicht den Feststeller in seine zweite Stellung verstellen, den Stößel freigeben und das Zusammennähen ausführen kann. But when the surgeon has the hand lever of the locking device in the position brought, in which the plunger is connected to your clamp housing, and yet the Confused the nut of the clamp housing drive with that of the ram drive, so is he is now unable to push the staples out of the staple magazine prematurely, and must always remember, however, that the ram, which has been pushed forward prematurely, is in its original position must be returned. Otherwise the plunger will jam the brake so that the surgeon does not pull the locking device in when the suturing is prepared adjust its second position, release the ram and sew together can.
Der Erfindung ist die Aufgabe zugrundegelegt, ein solches Gerät zum Zusammennähen von Geweben mit Klammern zu entwickeln, dessen Aufbau die vorgeschriebene Reihenfolge der Verstellungen von Bauteilen des nähgeräts sicherstellt durch und dadurch Jede Möglichkeit der falschen Hand habung den Chirurgen ausschließt. The invention is based on the object of such a device Sewing together fabrics with staples to develop the structure of which is prescribed The sequence of adjustments of components of the sewing device is ensured by and this eliminates any possibility of incorrect handling for the surgeon.
Die gestellto Aufgabe wird dadurch gelöst, daß im chirurgischen Gerät zum Zusammennähen von Geweben mit Klammern durch erfindungsgemäß der Feststeller des Stößeltriebes den Gewindetrieb des Klammergehäuses blockiert ist und der Begrenzer mit dem Klammergehäusetrieb in der Weise zusammenwirkt, daß dadurch die vorgeschriebene Wirkungsfolge des Nähgeräts zustandekommt, nach der die Verstellung des Klammergehäuses nur dann möglich wird, wenn das Klammermagazin in seinen Sitz im Klammergehäuse vollständig eingeschoben ist, und die Stößelverschiebung nur nach dem Erreichen des Klammergehäuses eines größtmöglichen Durchstichabstandes zwischen der Aibwitsebene des Klammermagazins und der Matrize erfolgen kann. The problem posed is achieved in that in the surgical device for sewing together fabrics with clamps by means of the locking device according to the invention of the ram drive the screw drive of the clamp housing is blocked and the Limiter cooperates with the bracket housing drive in such a way that thereby the prescribed Effect sequence of the sewing device comes about, after which the adjustment of the clamp housing is only possible when the staple magazine is in its seat in the clamp housing is completely pushed in, and the slide shift only after it has been reached of the clamp housing of the greatest possible puncture distance between the Aibwits level the staple magazine and the die can be done.
Der Stößeltrieb wird zweckmäßigerweise als eine Schraube ausgebildet, die mit der Stößelstang vermittels einer Gabel verbunden wird und mit dem Innengewinde in der hohlen Stange des Klammergehäuses zusammenwirkt, und der Feststeller des Stößeltriebes als eine abgefederte Klinke ausgeführt, die auf der Schraube des Stößeltriebes befestigt und während der deren Zusammenwirkung mit Kegelfläche einer in der Mutter des Klammergehäusetriebes ausgeführten Bohrung in eine-Schraubennut eingeddrdckt wird. The tappet drive is expediently designed as a screw, which is connected to the push rod by means of a fork and with the internal thread cooperates in the hollow rod of the clamp housing, and the locking device of the The plunger drive is designed as a spring-loaded pawl that sits on the screw of the plunger drive attached and during their interaction with the conical surface one in the nut of the bracket housing mechanism is pressed into a screw groove will.
Es ist auch zu empfehlen den Begrenzer mit einem Griff zu versehen, der in eine Nut der Mutter des Gewindetriebes von Klammergehäuse eingeht, wobei dieser Griff aus dieser Mutternut des Klammergehäuses heraustreten soll, wenn der Begrenzer die Stelle einnimmt, bei der dessen Ende mit der oberen Stirnfläche in Zusammenwirkung tritt. It is also recommended to provide the limiter with a handle, which enters a groove in the nut of the screw drive of the clamp housing, wherein this handle should emerge from this nut groove of the bracket housing when the Limiter takes the place where its end with the upper face in Interaction occurs.
Nachstehend wird die Erfindung durch Beschreibung der Ausführungsbeispiele und beiliegender Zeichnungen erläutert, in denen es zeigt: Fig. 1 das ohirurgische Nähgerät zum Klammernähen von Geweben der Erfindung gemäß in schematischer Darstellung; Fig. 2 Einzelteile des erfindungsgemäßen chirurgischen Nähgerätes in auseinandergenommencm Zustand, bei welchem diese in der Stellung beim Zusammenbau des Gerätes aufgezeichnet sind. In the following, the invention is illustrated by describing the Embodiments and the accompanying drawings, in which it shows: Fig. 1 the surgical Sewing device for stapling fabrics according to the invention in a schematic representation; Fig. 2 individual parts of the surgical sewing device according to the invention in disassembled State in which this was recorded in the position when the device was assembled are.
Fig. 3 Schnitt III-III der Fig. 1. FIG. 3 Section III-III of FIG. 1.
Das Nähgerät zum Zusammennähen von Geweben mit Klammern besitzt einen Stützkörper 1 (Fig. 1, 2), der einen Haken mit gestrecktem Schaft 2, in melchem eine offenen Längsnut ausgeführt ist. Am Stützkörper 1 wird eine Matrize 3 mit Aunfräsungen 4 zum Klammerabbiegen befestigt. In der Nut des Stützkörpers 1 wird das Klammergehäuse 5 untergebracht, das ein Kopf 6 und eine Stange 7 aufweist. The sewing device for sewing fabrics together with clamps has a Support body 1 (Fig. 1, 2), which has a hook with an elongated shaft 2, in melchem an open longitudinal groove is carried out. On the support body 1 is a die 3 with millings 4 attached to the bracket bending. The clamp housing is in the groove of the support body 1 5 housed, which has a head 6 and a rod 7.
Der Kopf 6 des Klammergehäuses 5 enthält zwei parallele Streifen 8 (Fig. 3), in welchen die Nuten 9 vorhanden sind, durch die ein in Sitz zwischen den Streifen 8 eingehendes mit II-förmigen Metallklammern 11 beladenes Klammermagazin 10 zurückgehalten wird, in welchem die Klammern in jeweiligen im Magezin ausgeführte Klammernuten eingesetzt werden. Das dem Kopf 6 gegenüberliegende Ende der Stange 7 des Klammergehäuses 5 (Fig. l) stellt ein hohles Rohr dar, dessen sowohl Außen- als auch Innenfläche mit einem Gewinde versehon sind. Das Außengewinde soll mit der an ihrer Ringnut mit der Warze 13 des Stützkörpers 1 gekoppelten Mutter 12 in Zusammenwirkung treten, modurch diese Mutter 12 sich in Längsrichtung dem Stützkörper 1 gegenüber nicht vorschiebt. Die Mutter 12 und das Außengewinde der Stange 7 stellen den Gewindetrieb des Klammergehäuses 5 dar der zum Zusammenführen des Klammergehäuses 5 und der Matrize 3 dient. Am Klammergehäuse 5 befinden sich die Ans chläme 14 und 15 (Fig. 2), die mit entsprechenden Führungseinschnitten 16 und durchgehenden Nuten 17 des Stützkörpers 1 zusammenwirken. Der Ansatz 15 besitzt eine Marke 18 und auf dem Stützkörper 1 werden beide Gegenmarken 19 und 20 aufgetragen, die einem kleinsten und einem größen Abstand beim Druchnähen entsprechen, dessen Größe durch gegenseitige Stelzu den lung der Marke 18 gegen die Marken 19 und 20 festliegt. The head 6 of the clip housing 5 contains two parallel strips 8 (Fig. 3), in which the grooves 9 are present, through which a seat between the strip 8 incoming with II-shaped metal clips 11 loaded clip magazine 10 is retained, in which the brackets in each executed in the Magezin Clamp grooves are used. The end of the rod opposite the head 6 7 of the clamp housing 5 (Fig. L) represents a hollow tube, whose both outer and inner surfaces are threaded. The external thread should with the nut coupled to its annular groove with the protrusion 13 of the support body 1 12 interact, modurch this nut 12 in the longitudinal direction of the Support body 1 opposite does not advance. The nut 12 and the external thread of the Rod 7 represent the screw drive of the clamp housing 5 is the merging of the clamp housing 5 and the die 3 is used. On the clamp housing 5 are the ends 14 and 15 (FIG. 2), which are provided with corresponding guide incisions 16 and through grooves 17 of the support body 1 cooperate. The approach 15 has a mark 18 and both counter marks 19 and 20 are applied to the support body 1, which correspond to a smallest and a largest distance when sewing through, its Size through mutual positioning of brand 18 against brands 19 and 20 is fixed.
Das Nähgerät enthält auch einen Stößel 21, dessen Stange 22 wie die Stange 7 des Klammergehäuses 5 in die Längsnut des Stützkörpers 1 hineingesetzt wird. Auf der Stößelstange 22 ist ein Kopfstempel des Stößels 21 befestigt, der zwei Streifen enthält, welche in einzelne Kamm@ähne 23 al schnitten sind. Die Verteilung der Kaminzähne 23 am Stößel 21 steht in voller Übereinstimmung mit der Verteilung der Klammernuten im Klammermagazin 10. Das Klammermagazin 10 weist eine durchgehende Längsnut 24 (Fig. 3) auf, in der die Kammzähne 23. The sewing device also includes a plunger 21, the rod 22 of which like the The rod 7 of the clamp housing 5 is inserted into the longitudinal groove of the support body 1 will. On the push rod 22, a head stamp of the plunger 21 is attached, the contains two strips which are cut into individual combs 23 al. The distribution the chimney teeth 23 on the plunger 21 are in full accordance with the distribution the staple grooves in the staple magazine 10. The staple magazine 10 has a continuous Longitudinal groove 24 (FIG. 3) in which the comb teeth 23.
des Stößels 21 untergebracht werden, wobei die Breite der Nut 24 . so gewählt wird, daß deren Seitenwände 25 eine Verlängerung der Seitenwänden 26 der Klammernunten und gleichzeitig die Führungen für die Kammzähne 23 des Stößels 21 darstellen. Dementsprechend gehen die Kammzähne 23 beim Zusammennähen von Gewebe ganz leicht in die Klammernuten ein und stoßen die Klammern 11 heraus.of the plunger 21, the width of the groove 24. is chosen so that the side walls 25 are an extension of the side walls 26 the brackets below and at the same time the guides for the comb teeth 23 of the ram 21 represent. Accordingly, the comb teeth 23 go when sewing together tissue very easily into the clip grooves and push the clips 11 out.
Am Ende der Stange 22 (Fig. 1,2) des Stößels 21 ist eine Gabel 27 vorhanden, die mit einer Ringsnut 28 auf der Schraube 29 in Wechselwirkung tritt, die in das hohle Rohr eingeschraubt ist, mit welchem die Stange 7 des Klammergehäuses 5 endet. Die Schraube 29 und das Innengewinde der Stange 7 des Klammergehäuses 5 stellen den Gewindetrieb des Stößels 21 dar , der diesen in eine Hin- und Herbewegung bezüglich des Klammergehäuses 5 versetzt. At the end of the rod 22 (FIGS. 1, 2) of the plunger 21 is a fork 27 present, which interacts with an annular groove 28 on the screw 29, which is screwed into the hollow tube with which the rod 7 of the clamp housing 5 ends. The screw 29 and the internal thread of the rod 7 of the clamp housing 5 represent the screw drive of the plunger 21, which this in a reciprocating motion offset with respect to the clamp housing 5.
22 Die Verbindung der Stange des Stößels 21 mit der Schraube 29 vermittels der Gabel 27 gewährleistet ein schnelles Auseinandernehmen des Gerätes, da dabei der Stößel 21 von dem Gerät gleich darauf abgenommen werden Kann wenn das Klammergehäuse 5 aus der Nut im Stützkörper 1 herausgenommen wird. 22 The connection of the rod of the plunger 21 with the screw 29 by means of the fork 27 ensures a quick disassembly of the device, since it the plunger 21 can be removed from the device immediately afterwards if the clamp housing 5 is removed from the groove in the support body 1.
Die Schraube 29 weist einen Einschnitt 30 (Fig. 1) auf, in dem eine Klinke 31 sitzt, die durch Feder 32 herabgedruckt wird und als ein Feststeller für den Gewindetrieb des Stößels 21 dient. Die Klinke 31 besitzt einen Vorsprung der 33, der mit Kegelfläche 34 der Bohrung in der Mutter 12 in Wechselwirkung tritt. Das Ende der Klinke 31 geht bei von der Matrize 3 weg zurückgeschobener Stellung des Stößels 21 in eine Ausfräsung 35 der Stange 7 des Klammergehänses 5 hinein. The screw 29 has an incision 30 (Fig. 1) in which a Pawl 31 sits, which is pressed down by spring 32 and acts as a stop for the screw drive of the plunger 21 is used. The pawl 31 has a projection of the 33, which with conical surface 34 of the bore in the nut 12 in interaction occurs. The end of the pawl 31 is in the position pushed back away from the die 3 of the plunger 21 into a cutout 35 of the rod 7 of the clamp housing 5.
Das Nähgerät ist auch mit einem Begrenzer 36 versehen, der das Gewebe während des Zusammennähens surilckhält und sich längs des Klammergehäusee 5 bewegen kann. Als Führungen bei Verstellung des Begrenzers 36 dienen die Aussparungen 37 in den Streifen 8 des Klammergehäuses 5 und ein Ansatz 38 am Klammergehäuse 5, der mit dem Ausschnitt 39 (Fig. 2) des Begrenzers 36 im Eingriff steht . Der Begrenzer 36 weist einen Griff 40, der in Ausgangsstellung des Nähgerätes in den Ausschnitt 41 der Mutter 12 des Gewindetriebes des Klammergehänses 5 ein greift und damit Jede Drehung dieser Mutter 12 verhindert. Infolgedessen kann auch nicht das Klammergehäuse 5 in Richtung der Matrize 3 zn herangeschoben werden. Die Länge des Begrenzers 36 ist eine solche gewählt, damit in der Ausgangsstellung des Nähgerätes, wenn der Begrenzer 36 in den Ausschnitt 41 der Mutter 12 hineingeht, das Klammermagazin 10 frei in den Kopf 6 des Klammergehäuses 5 eingesetzt werden kann. @ur nach dem, wenn das Magazin 10 in den Kopf 6 vollständig eingeschoben ist, erhält der Begrenzer 36 die Möglichkeit, sich nach vorn zu verstellen und die Mutter 12 des Gewindetriebes des Klammergehäuses 5 freizugeben. Somit wird eine Verstellung des Klammergehäuses 5 nur bei vollständig hineingeschobenar und durch Begrenzer 36 festgelogter Lage des Magazins 10 mögsich. The suturing device is also provided with a limiter 36 that controls the tissue while sewing together surilck and move along the clip housing 5 can. The recesses 37 serve as guides when adjusting the limiter 36 in the strip 8 of the clamp housing 5 and a projection 38 on the clamp housing 5, the with the cutout 39 (Fig. 2) of the limiter 36 is in engagement. The limiter 36 has a handle 40, which in the starting position of the sewing device in the cutout 41 of the nut 12 of the screw drive of the clamp housing 5 engages and thus each Rotation of this nut 12 is prevented. As a result, the clamp housing cannot either 5 are pushed towards the die 3 zn. The length of the limiter 36 is one chosen so that in the starting position of the sewing device when the Limiter 36 goes into cutout 41 of nut 12, staple magazine 10 can be used freely in the head 6 of the clamp housing 5. @ur after the if the magazine 10 is completely pushed into the head 6, the limiter receives 36 the ability to move forward and the nut 12 of the screw drive of the clamp housing 5 to release. Thus, an adjustment of the Clamp housing 5 only when it can be pushed in completely and the position is logged by the limiter 36 of the magazine 10 possible.
Das chirurgische Nähgerät zum Zusammennähen von Geweben mit dem Metallklammern wird wie folgt spgewendet In seiner Ausgangsstellung sind das chirurgische Nähin einer Stellung gerät das Klammergehänse 5 und den Stößel 21, die sich in einer größtem Abstand von der Matrize 3 befinden (Fig. 1). In solgreift cher Stellung die Klinke 31 des Gawindetriebes des Stö-Bels 21 in die Ausfräsung 35 der Stange 7 des Klammergehäuses 5 ein, d.h. der Gewindetrieb des Stößels 21 ist mit dem des Klammergehäuses 5 blockiert. Der Begrenzer 36 sitzt dabei in dem Ausschnitt 41 der Mutter 12 des Gewindetriebes des Klammergchäuses 5. The surgical suturing device for suturing tissues with metal staples is turned as follows: In its starting position, the surgical sutures are in one position gets the clamp housing 5 and the plunger 21, which are in a largest Distance from the die 3 are (Fig. 1). In this position, the latch engages 31 of the Gawindtriebes of the ram 21 into the cutout 35 of the rod 7 of the bracket housing 5, i.e. the screw drive of the plunger 21 is blocked with that of the clamp housing 5. The limiter 36 sits in the cutout 41 of the nut 12 of the screw drive of the clamp housing 5.
Das mit den Metallklammern 11 beladene Klammermagazin 10 wird nun ins Klammergchäuse 5 eingeschoben und durch den Begrenzer 36 wie oben beschrieben festgelegt. The clip magazine 10 loaded with the metal clips 11 is now inserted into the clamp housing 5 and through the limiter 36 as described above set.
Der haken des Stützkörpers 1 wird unter das zusammenzunäendet Organ @in@geführt und der Begrenzer 36 vollständig @eger den Haken zu vorgeschoben, wobei er in den Schlitz 42 im Stützkörper 1 ein enitt und das zusammenzunähende Gewebe zurllokhält. Der Griff 40 geht dabei aus dem Ausschnitt 41 heraus und gibt die Mutter 12 frei. The hook of the support body 1 is under the organ to be sewn together @ in @ out and the limiter 36 completely @eger to advance the hook, whereby it enters the slot 42 in the support body 1 and the fabric to be sewn together holds back. The handle 40 goes out of the cutout 41 and is the mother 12 free.
Durch Drehung au der mutter 12 des Gewindetriebes des Klammergehäuses 5 wird diese längs des Stützkörpers 1 in Richnähende tung des zu@Gewebe@ zu verstellt, bis zwischen der Arbeitsebene des Klammermagazins 10 und der Matrize 3 sich dererforderliohes Abstand des Zusammennähene einstellt. Wird der Chirurg fâlschlicherweise statt an der Mutte 12 des Gewindetriebes des Klammergahäuses 5 die Schraube 29 des Gewindetriebes des Stößels 21 zu drehen versuchen, was sonst zum Herausstoßen der Klammern 11 in die Operationswunde führen würde, so wird die minke 31 sich auf die Wände der Ausfräsung 35 in der Stange 7 des Klammergehäuses 5 stützenk, was die Drehung der Schraube 29 verhindern wird und demzufolge keine Vorwärtsverstellung des Stößels 21 erlaubt. By turning the nut 12 of the screw drive of the clamp housing 5 this is along the support body 1 in directional sewing processing of to @ tissue @ to be adjusted until between the working plane of the staple magazine 10 and the die 3 the required distance of the sewing is achieved. Becomes the surgeon wrongly instead of the nut 12 of the screw drive of the clamp housing 5 try to turn the screw 29 of the screw drive of the plunger 21, what else would lead to the staples 11 being pushed out into the surgical wound, the minke 31 on the walls of the recess 35 in the rod 7 of the bracket housing 5 support k, which will prevent the rotation of the screw 29 and consequently none Forward adjustment of the plunger 21 allowed.
der Mit Verstellung des Klammergehäuses 5 bei Einstellung des Durchstichabstandes bewegen sich dabei mit dem Klaamerge häuse 5 zusammen auch die Schraube 29 des Gewindetriebes des Stößels 21 und der Stößel 21 selbst. Dadurch wird die Sohraube ins Innere der Mutter 12 hineingezogen und der Vorsprung 33 der Klinke 31 gleitet an der Kegelfläche 34 der Mutter 12. Infolgedessen wird die Klinke 31 in den Einschnitt 30 eingedrückt. Sobald das Klammergehäuse 5 in der Stellung festgelegt wird, bei der sich ein größtmögliche Durohstichabstand einstellt, geht das Ende der Klinke 31 aus dea Einschnitt 35 im Klammergehäuse 5 heraus und gibt die Schraube 29 des Gewindetriebes des Stößels 21 frei. Mur jetzt bekommt der Chirurg die Möglichkeit, durch Drehung an der Schraube 29 den Stößel 21 vormärtszuverschieben. Bei dieser Bewegung gehen die Kammzähne 23 des Stößels 21 in die Klammernuten des Magazins 10 hinein und stoßen die Klammern 11 heraus. Die Metallklammern 13 stechen mit ihren Füßchen das zu nähende Gewebe durch, drücken gegen die Ausfräsungen 4 der Materise 3 und biegen sich ab, in dem sie das zu Gewebe fest zusammenverbinden. Der Begrenser 36 und das Klammergehäuse It werden in ihre Ausgangsstellung zurückegeführt und das Nähgerät wird aus der Operationswunde herausgenommen. With adjustment of the clamp housing 5 when setting the puncture distance move with the Klaamerge housing 5 together with the screw 29 of the screw drive of the plunger 21 and the plunger 21 itself. As a result, the Sohraube is inside the Nut 12 is pulled in and the projection 33 of the pawl 31 slides on the conical surface 34 of the nut 12. As a result, the pawl 31 is pressed into the notch 30. As soon as the clamp housing 5 is set in the position in which the greatest possible Durohstichpunkt adjusts, the end of the pawl 31 goes out of the incision 35 in the Clamp housing 5 out and gives the screw 29 of the screw drive of the plunger 21 free. The surgeon now has the option of turning the screw 29 to move the plunger 21 forward. At this Go movement the comb teeth 23 of the plunger 21 into the clip grooves of the magazine 10 and push the clips 11 out. The metal clips 13 pierce with their feet that to be sewn Fabric through, press against the cutouts 4 of the material 3 and bend, in which they firmly tie the tissue together. The limiter 36 and the clamp housing It are returned to their original position and the sewing device is removed from the Surgical wound removed.
Die Bauweise des erfindungsgemäßen Nâhgerätes befreit den Chirurgen von der Notwendigkeit, die Einhaltung der vorgeschriebenen Handlungsfolge während Gerätsgebrauch zu verdurch den folgen, was die möglichen Verwechselungen Chirurgen ansschließt. die Jeweils zu schweren Folgen führen können. The construction of the sewing device according to the invention frees the surgeon of the need to adhere to the prescribed sequence of actions during Device use to be followed by what the possible confusion surgeons connected. each of which can lead to serious consequences.
Ein ungenaues Einsetzen des Klammermagazins in den Sitz des Klammergehäuses kann beispielsweise zu dem Bruch des Stößels oder zur Zerreißung des Gewebes fuhren. Bei der erfindungsgemäßen Bauart ist die weitere Arbeit mit den: Gerät unmöglich, wenn das Klammermagazin nicht genau in seinen Sitz im Klammergehäuse eingeführt ist, da dabei der Begrenzer jede Drehung der Mutter 12 des Gewinde triebes des Klammergehänsei verhindert, und den Begrenzer nach vorn zu verschieben und somit die Mutter 12 freizugeben, ist unmöglich, bis das Magazin in seinen Sitz vollständig eingeschoben wird. Nur nach der genauen Einstellung des Klammermagazine und Festlegung des Gewebes kann der Chirurg das Gewebe zusammenzunähen beginnen. Bei Benutzung des erfindungsgemäßen Nähgerätes wird der Chirurg enthoben , über die Lage des Feststellers zu denken, da im Gerät eine Blookierung des Klammergehäuses und Stößels sichergestellt ist. Der Chirurg kann nicht die Schraube des Gewindetrisbes des Stößels drehen und demzufolge die Klammern in die offene @unde herausstoßen, bis das Gewebe zusammengedrückt wird. Er kann auch nicht den Feststeller festeinklommen, wie dies beim bekannten Gerät geschehen kann, da durch die Klinke der Stößel vorwärts nicht verschoben werden kann. Nur nach dem . das Gewebe bis auf den Durchstichabstand zusammengedrückt ist, erhält der Chirurg die Möglichkeit, den Stößel und das Gewebe vorsuschieben. Inaccurate insertion of the staple cartridge into the seat of the staple housing can, for example, lead to rupture of the plunger or to tearing of the tissue. In the design according to the invention, further work with the: device is impossible, if the staple cartridge is not inserted exactly into its seat in the staple housing is because the limiter every rotation of the nut 12 of the threaded drive of the Klammergehänsei prevented, and to move the limiter forward and thus release the nut 12, is impossible until the magazine is fully inserted into its seat. Just after the exact setting of the staple magazine and definition of the tissue can the surgeon will begin sewing the tissue together. When using the invention Sewing device the surgeon is relieved of the position of the locking device to think about, as a blocking of the clamp housing and plunger is ensured in the device is. The surgeon cannot turn the screw of the threaded trisbe of the plunger and As a result, push the staples out into the open mouth until the tissue is compressed will. He also cannot clamp the locking device, as is the case with the known one Device can happen because the pawl does not move the plunger forward can. Only after that. the tissue is compressed down to the puncture distance, the surgeon is given the opportunity to advance the plunger and tissue.
Darüber hinaus läßt der Aufbau des Nähgeräts bei seinem Abnehmen jede dem Chirurgen notwendige Handlungsfolge zu. In addition, the structure of the sewing device allows it to be removed every action the surgeon may need.
Die obenbeschriebene Vorteil. machen das Mähgerät betriebssicher und -einfach. The advantage described above. make the mower safe to operate and easy.
Claims (3)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE758685D BE758685A (en) | 1970-10-14 | SURGICAL APPARATUS FOR TISSUE SUTURE WITH STAPLES | |
GB48907/70A GB1276239A (en) | 1970-10-14 | 1970-10-14 | Surgical device for suturing tissue with staples |
US80934A US3692224A (en) | 1970-10-14 | 1970-10-15 | Surgical apparatus for suturing tissue with staples |
CH1528070A CH514327A (en) | 1970-10-14 | 1970-10-15 | Surgical device for stapling tissue |
FR7037682A FR2110477A5 (en) | 1970-10-14 | 1970-10-19 | |
DE2051991A DE2051991B2 (en) | 1970-10-14 | 1970-10-22 | Surgical device for stapling tissue |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB48907/70A GB1276239A (en) | 1970-10-14 | 1970-10-14 | Surgical device for suturing tissue with staples |
US8093470A | 1970-10-15 | 1970-10-15 | |
CH1528070A CH514327A (en) | 1970-10-14 | 1970-10-15 | Surgical device for stapling tissue |
FR7037682A FR2110477A5 (en) | 1970-10-14 | 1970-10-19 | |
DE2051991A DE2051991B2 (en) | 1970-10-14 | 1970-10-22 | Surgical device for stapling tissue |
BE758685 | 1970-11-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2051991A1 true DE2051991A1 (en) | 1972-04-27 |
DE2051991B2 DE2051991B2 (en) | 1974-03-07 |
DE2051991C3 DE2051991C3 (en) | 1974-10-03 |
Family
ID=27543122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2051991A Granted DE2051991B2 (en) | 1970-10-14 | 1970-10-22 | Surgical device for stapling tissue |
Country Status (6)
Country | Link |
---|---|
US (1) | US3692224A (en) |
BE (1) | BE758685A (en) |
CH (1) | CH514327A (en) |
DE (1) | DE2051991B2 (en) |
FR (1) | FR2110477A5 (en) |
GB (1) | GB1276239A (en) |
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-
0
- BE BE758685D patent/BE758685A/en unknown
-
1970
- 1970-10-14 GB GB48907/70A patent/GB1276239A/en not_active Expired
- 1970-10-15 CH CH1528070A patent/CH514327A/en not_active IP Right Cessation
- 1970-10-15 US US80934A patent/US3692224A/en not_active Expired - Lifetime
- 1970-10-19 FR FR7037682A patent/FR2110477A5/fr not_active Expired
- 1970-10-22 DE DE2051991A patent/DE2051991B2/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2110477A5 (en) | 1972-06-02 |
DE2051991C3 (en) | 1974-10-03 |
CH514327A (en) | 1971-10-31 |
GB1276239A (en) | 1972-06-01 |
BE758685A (en) | 1971-05-10 |
US3692224A (en) | 1972-09-19 |
DE2051991B2 (en) | 1974-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |