ES2337248T3 - Conjunto de herramienta para un dispositivo de grapado quirurgico. - Google Patents
Conjunto de herramienta para un dispositivo de grapado quirurgico. Download PDFInfo
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B17/07207—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 the staples being applied sequentially
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/10—Surgical instruments, devices or methods for applying or removing wound clamps, e.g. containing only one clamp or staple; Wound clamp magazines
- A61B17/105—Wound clamp magazines
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/0682—Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil
- A61B17/0686—Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil having a forming anvil staying below the tissue during stapling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/003—Steerable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B2017/07214—Stapler heads
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B2017/07214—Stapler heads
- A61B2017/07257—Stapler heads characterised by its anvil
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
- A61B2017/07214—Stapler heads
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
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- A—HUMAN NECESSITIES
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- 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
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- A61B2017/07285—Stapler heads characterised by its cutter
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
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- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
- A61B2017/2929—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft
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- A—HUMAN NECESSITIES
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- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2939—Details of linkages or pivot points
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- A—HUMAN NECESSITIES
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- A61B17/32—Surgical cutting instruments
- A61B2017/320052—Guides for cutting instruments
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Abstract
Un conjunto de instrumento (12) para un dispositivo para grapado quirúrgico (10), comprendiendo el conjunto de instrumento: un yunque (14) y un conjunto de cartucho (16), teniendo el conjunto de cartucho una pluralidad de elementos de sujeción y siendo movible con relación al yunque entre una posición de espaciado y una posición de aproximado, definiendo el conjunto de cartucho y el yunque un espacio de separación del tejido en la posición de aproximado; un miembro de mordaza (20) que es movible desde una posición de retraído a una posición de avanzado, para mover al conjunto de cartucho con relación al yunque desde la posición de espaciado a la posición de aproximado; y medios para expulsar la pluralidad de elementos de sujeción desde el conjunto de cartucho adentro del tejido; y un miembro de pinzado dinámico (32) situado de modo movible con relación al yunque y al conjunto de cartucho, siendo el miembro de pinzado dinámico movible con movimiento de traslación desde una posición de retraído en un extremo del yunque a una posición de avanzado en el otro extremo del yunque, para expulsar la pluralidad de elementos de sujeción desde el conjunto de cartucho, manteniendo dicho movimiento de traslación un espacio de separación del tejido deseado entre el yunque y el conjunto de cartucho durante la expulsión de los elementos de sujeción; y un miembro de accionamiento (60) que está conectado para funcionamiento al miembro de mordaza y al miembro de pinzado dinámico, estando formado el miembro de accionamiento por un cable flexible y siendo movible para mover el miembro de mordaza y el miembro de pinzado dinámico entre sus posiciones de retraídos y de avanzados.
Description
Conjunto de herramienta para un dispositivo de
grapado quirúrgico.
La presente exposición se refiere a un conjunto
de instrumento para tratar tejido. Más en particular, la presente
exposición se refiere a un conjunto de instrumento quirúrgico
endoscópico capaz de articulación y de rotación para tratar
tejido.
Son bien conocidas en la técnica las grapadoras
quirúrgicas para pinzar tejido entre estructuras de mordaza
opuestas de un conjunto de instrumento y para sujetar después el
tejido pinzado. Estos dispositivos pueden incluir una cuchilla para
hacer una incisión en el tejido sujeto. Tales grapadoras que tienen
configuraciones laparoscópicas o endoscópicas son también bien
conocidas en la técnica. Ejemplos de estas grapadoras quirúrgicas
endoscópicas se han descrito en las Patentes de EE.UU. Números
6330965; 4473077; 6250532; 6241139; 6109500 y 6079606, en los
documentos EP-A-552423 y 646354, así
como en el documento
EP-A-640317.
En el documento US 5657921 se describe una
grapadora quirúrgica que tiene un mecanismo de actuación con platos
de leva superior e inferior. El plato de leva superior se aplica a
la superficie superior del miembro de yunque y el plato de leva
inferior se aplica a la superficie inferior del suelo del
alojamiento del cartucho, para empujar al yunque hacia el cartucho
cuando el mecanismo de actuación se traslada a través del conjunto
de aplicación del elemento de sujeción.
Típicamente, estas grapadoras incluyen un
miembro de instrumento que tiene un cartucho de grapas para alojar
una pluralidad de grapas dispuestas en al menos dos filas espaciadas
lateralmente y un yunque que incluye una pluralidad de receptáculos
para conformar la grapa, para recibir y conformar las patas de grapa
de las grapas a medida que las grapas van siendo hincadas desde el
cartucho. El yunque, típicamente, está apoyado a pivotamiento
adyacente al cartucho y es pivotable entre posiciones abierta y
cerrada.
Durante los procedimientos quirúrgicos
laparoscópicos o endoscópicos, se consigue el acceso a la zona
quirúrgica a través de una pequeña incisión o a través de una
estrecha cánula insertada a través de una pequeña herida de entrada
en un paciente. Debido a lo limitado del área para acceso a la zona
quirúrgica, muchas grapadoras endoscópicas incluyen mecanismos para
hacer rotar a la parte de cuerpo endoscópica del dispositivo o para
articular el conjunto de instrumento del dispositivo. Típicamente,
cada mecanismo es controlado por un actuador que ha de ser
manipulado por un cirujano para orientar debidamente el conjunto de
instrumento con relación al tejido a ser tratado. Tales
manipulaciones llevan tiempo y pueden no dar por resultado la
orientación exacta del conjunto de instrumento deseada por el
cirujano.
En consecuencia, existe una necesidad de un
dispositivo para grapado quirúrgico endoscópico mejorado que incluya
un mecanismo para ajustar la orientación de un conjunto de
instrumento que sea fácil de operar y capaz de situar el posición
un conjunto de instrumento con cualquier orientación que se
desee.
El presente invento se define en la
reivindicación 1 que sigue. Las reivindicaciones subordinadas están
orientadas a las características óptimas y a las realizaciones
preferidas.
De acuerdo con la presente exposición, se
describe un instrumento quirúrgico que incluye un conjunto de
instrumento que tiene un par de mordazas. El conjunto de
instrumento incluye un yunque y un conjunto de cartucho, el cual
tiene una pluralidad de elementos de sujeción soportados en el
mismo. El conjunto de cartucho es movible con relación al yunque
entre una posición de espaciado y una posición de aproximado. Un
miembro de mordaza es movible desde una posición de retraído a una
posición de avanzado para mover el conjunto de cartucho con relación
al yunque desde la posición de espaciado a la posición de
aproximado. Un miembro de pinzado dinámico está situado de modo
movible con relación al yunque y al conjunto de cartucho desde una
posición de retraído a una posición de avanzado para expulsar la
pluralidad de elementos de sujeción desde el conjunto de cartucho.
Un miembro de accionamiento formado por un cable flexible está
conectado para funcionamiento al miembro de mordaza y al miembro de
pinzado dinámico y es movible para mover al miembro de mordaza y al
miembro de pinzado dinámico entre las posiciones de retraídos y
avanzados.
Preferiblemente, el miembro de accionamiento
incluye un cable coaxial que incluye una funda exterior y una
varilla central. La varilla central es movible axialmente y
giratoria con relación a la funda exterior. La funda exterior está
conectada para funcionamiento al miembro de mordaza, y la varilla
central está conectada para funcionamiento al miembro de
cierre.
Preferiblemente, un collarín está asegurado a
pivotamiento a una parte de cuerpo de un dispositivo de grapar. La
parte de cuerpo puede formar el extremo distal de un dispositivo de
grapado quirúrgico o el extremo proximal de una unidad de carga
desechable.
Preferiblemente, el conjunto de instrumento está
montado para rotación en el miembro de collarín. En una realización
preferida, la varilla central del cable coaxial está conectada al
dispositivo de pinzado dinámico de tal modo que la rotación de la
varilla central efectúa la rotación del miembro de cierre para
efectuar la rotación del conjunto de instrumento con relación al
miembro de collarín para facilitar la rotación independiente del
conjunto de instru-
mento.
mento.
En una realización preferida, el miembro de
pinzado dinámico incluye una primera parte de pestaña situada para
aplicarse a una superficie del yunque, y una segunda parte de
pestaña situada para aplicarse a una superficie del conjunto de
cartucho. Las partes de pestaña primera y segunda definen juntas un
espacio de separación del tejido máximo entre el yunque y el
conjunto de cartucho.
Se describen aquí varias realizaciones
preferidas del dispositivo para grapado quirúrgico que se está
exponiendo, con referencia a los dibujos, en los que:
La Fig. 1 es una vista en perspectiva lateral de
una realización preferida del dispositivo para grapado quirúrgico
que actualmente se está describiendo con el yunque y el conjunto de
cartucho en la posición de espaciados;
La Fig. 1A es una vista en perspectiva lateral
del extremo proximal del yunque, el collarín de rotación y el
adaptador del dispositivo para grapado quirúrgico representado en la
Fig. 1;
La Fig. 2 es una vista lateral del dispositivo
para grapado quirúrgico representado en la Fig. 1;
La Fig. 3 es una vista por arriba con los
componentes internos en líneas de trazos del dispositivo para
grapado quirúrgico representado en la Fig. 2;
La Fig. 4 es una vista en corte transversal del
dispositivo para grapado quirúrgico representado en la Fig. 2, dado
a lo largo de un eje longitudinal del dispositivo a través del
conjunto de cartucho;
La Fig. 5 es una vista en corte transversal del
dispositivo para grapado quirúrgico representado en la Fig. 3, dado
a lo largo de un eje transversal a través del miembro de pinzado
dinámico con el miembro de instrumento aproximado;
La Fig. 6 es una vista en corte transversal del
dispositivo para grapado quirúrgico representado en la Fig. 3, dado
a lo largo de un eje transversal del conjunto de instrumento a
través del conjunto de cartucho y del yunque;
La Fig. 7 es una vista en perspectiva superior
del miembro de pinzado dinámico del dispositivo para grapado
quirúrgico representado en la Fig. 1;
La Fig. 8 es una vista en perspectiva superior
del miembro de mordaza del dispositivo para grapado quirúrgico
representado en la Fig. 1;
La Fig. 9 es una vista en perspectiva superior
del collarín de accionamiento del dispositivo para grapado
quirúrgico representado en la Fig. 1;
La Fig. 10 es una vista en perspectiva lateral
en despiece ordenado del conjunto de instrumento del dispositivo
para grapado quirúrgico representado en la Fig. 1;
La Fig. 11 es una vista ampliada del extremo
proximal del conjunto de instrumento representado en la Fig.
10;
La Fig. 12 es una vista en perspectiva lateral
en despiece ordenado de la parte de cuerpo endoscópica del
dispositivo para grapado quirúrgico representado en la Fig. 1;
La Fig. 13 es una vista en corte transversal
lateral del dispositivo para grapado quirúrgico representado en la
Fig. 1;
La Fig. 14 es otra realización del miembro de
cierre de acuerdo con la presente exposición;
La Fig. 15 es una vista en planta por arriba del
alojamiento del cartucho de la presente exposición;
Las Figs. 16A y 16B son vistas en perspectiva de
los miembros de corredera y de empujador de la presente
exposición;
\newpage
La Fig. 17A es una vista en corte transversal
desde un extremo de una parte del conjunto de cartucho de la Fig.
16B, dado a lo largo de las líneas 17A, en la que se ilustran la
disposición de la corredera, el miembro empujador, y la grapa, de
acuerdo con una realización de la presente exposición; y
La Fig. 17B es una vista en corte transversal
por un extremo de una parte del conjunto de cartucho, que ilustra
la disposición del miembro empujador de la corredera y la grapa, de
acuerdo con otra realización de la presente exposición.
Se describirán a continuación en detalle
realizaciones preferidas del dispositivo para grapado quirúrgico
que se está describiendo, con referencia a los dibujos en los cuales
los números de referencia que son iguales designan elementos
idénticos o que se corresponden en cada una de las diversas
vistas.
En las Figs. 1-13 se ilustra una
realización preferida del dispositivo para grapado quirúrgico que
actualmente se está describiendo, representado en general como 10.
El dispositivo de grapar 10 incluye un conjunto de instrumento 12
que tiene un yunque 14 y un conjunto de cartucho 16, una parte de
cuerpo endoscópica 18, un miembro de mordaza 20, y un collarín de
rotación 22. El conjunto de instrumento 12 está apoyado a
pivotamiento por el extremo distal de la parte de cuerpo 18 e
incluye extensiones superior e inferior 28. Dentro del cuerpo
anterior 8 puede estar situado un espaciador 18a (Fig. 12) para
mantener la posición de los componentes internos del dispositivo.
Como alternativa, el adaptador 26 puede estar formado
monolíticamente con la parte de cuerpo endoscópica 18. El miembro
de pivote 24 se extiende entre las extensiones superior e inferior
28 y una parte proximal 22a (Fig. 1A) del collarín de rotación 22,
de tal modo que el conjunto de instrumento 12 puede articular con
relación al eje geométrico longitudinal de la parte endoscópica 18
aproximadamente 90º. Está contemplado que se puedan disponer una
diversidad de diferentes tipos de unión de articulación, por
ejemplo, de bola y receptáculo, de acoplamiento flexible, de
acoplamiento universal, etc., para permitir más altos grados de
articulación.
El conjunto de cartucho 16 incluye un cartucho
16a que aloja una pluralidad de grapas (no representadas), una
parte de canal 30 que define un rebajo para recibir el cartucho 16a,
un miembro de pinzado dinámico 32 (Fig. 7), y una corredera 31. El
miembro de pinzado dinámico 32 está situado preferiblemente próximo
a la corredera 31 dentro del cartucho 16a. Una hoja de cuchilla 34
está situada preferiblemente en una parte de cuerpo intermedia,
preferiblemente central, 32a, del miembro de pinzado dinámico 32,
para incidir en el tejido sujeto. La hoja de cuchilla 34 puede ser
mecanizada directamente en el miembro de pinzado dinámico o bien
puede asegurarse al mismo de modo fijo o desmontable. Como
alternativa, la hoja de cuchilla 34 puede estar formada en la
corredera o bien estar asegurada de modo fijo, desmontable o a
pivotamiento, a la misma. La corredera 31 está situada para
trasladarse por deslizamiento a través del cartucho 16a para
expulsar las grapas desde el cartucho, de la manera conocida. El
miembro de pinzado dinámico 32 incluye pestañas superior e inferior
36a y 36b. Como se ha ilustrado en la Fig. 5, la pestaña 36a está
situada dentro de una ranura o rebajo 38 formado en el cartucho
16a, y la pestaña 36b está situada dentro de un rebajo 40 formado en
el yunque 14. Como alternativa, las pestañas 36a y 36b no tienen
que estar situadas necesariamente para deslizamiento en rebajos,
sino que tan solo es necesario que se apliquen a una superficie de
apoyo superior en el yunque 14 y a una superficie de apoyo inferior
en el conjunto de cartucho 16. Como se ha ilustrado en la Fig. 7,
las pestañas 36a y 36b son de preferencia arqueadas o
semicirculares para reducir al mínimo la flexión y mantener la
alineación del yunque y/o el cartucho durante la actuación de la
grapadora. El miembro de pinzado dinámico 32 está situado en la
parte proximal de la corredera en aplicación con la misma y puede
trasladarse a través del cartucho. El miembro de cierre 32
proporciona, restablece y/o mantiene un espacio de separación del
tejido deseado, preferiblemente uniforme, en el área del conjunto
de instrumento 12 adyacente a la corredera 31 durante el disparo
del dispositivo 10. El movimiento del miembro de pinzado dinámico 32
a través del conjunto de cartucho 18 hace avanzar a la corredera a
través del conjunto de cartucho.
Está contemplado que el yunque y/o el miembro de
pinzado mecánico, y preferiblemente ambos, estén formados de un
material y sean de tal grosor o calibre que reduzcan al mínimo la
desviación del respectivo yunque y/o miembro de pinzado dinámico
durante el pinzado, la translación a su través, y el disparo del
dispositivo. Tales materiales incluyen el acero inoxidable de grado
quirúrgico. Preferiblemente, el yunque está formado como una unidad
sólida de una pieza. Como alternativa, y como es conocido en la
técnica, el yunque puede estar formado por un conjunto de partes
que incluyan un cuerpo de yunque y una placa de yunque que tenga una
pluralidad de receptáculos para la conformación de las grapas. Se
desea que el yunque sea lo más resistente que sea razonablemente
posible y necesario para reducir al mínimo la distorsión, por
ejemplo, el arqueamiento hacia arriba del extremo distal del yunque
durante el pinzado o el prepinzado y/o durante el disparo de las
grapas.
Con referencia a la Fig. 1A, el extremo proximal
del yunque 14 incluye una parte cilíndrica 14a que tiene un rebajo
anular 14b. La parte cilíndrica 14a está dimensionada para ser
recibida dentro del ánima 22a del collarín 22. Al menos una espiga
de pivote 23 (Fig. 1) se extiende a través del collarín 22 dentro
del rebajo 14b para fijar axialmente el extremo proximal del yunque
14 dentro del ánima 22a. Puesto que la espiga 23 está situada
dentro del rebajo anular 14b, el yunque 14 es giratorio dentro del
collarín 22. Está contemplado que se puedan disponer otros medios
para unir para rotación el yunque 14 al collarín 22. Una segunda
espiga 25 (Fig. 1) se extiende a través del collarín 22 para
asegurar el collarín 22 a un extremo distal de la barra de
articulación 52, como se describirá en lo que
sigue.
sigue.
Aunque no se ha representado, de una manera
conocida el extremo proximal de la parte de canal 30 del conjunto
de cartucho 16 incluye un rebajo para recibir a un miembro de
pivote, por ejemplo, una aleta o una espiga, formado en o unido al
extremo proximal del yunque 14. Los extremos proximales del yunque
14 y el cartucho 16 están confinados dentro del collarín 22 para
evitar que el miembro de pivote del yunque se desaplique del rebajo
en la parte de canal 30 del conjunto de cartucho 16. Como
alternativa, pueden usarse otras disposiciones mecánicas conocidas
en la técnica para asegurar para pivotamiento el yunque 14 al
conjunto de cartucho 16. Se hace notar que, puesto que el conjunto
de cartucho 16 está unido a pivotamiento al yunque 14, ambos son
giratorios con relación al collarín 22.
Con referencia a las Figs. 1 y 4, se ha previsto
un mecanismo de articulación para articular el conjunto de
instrumento 12 con relación a la parte de cuerpo endoscópica 18. El
mecanismo de articulación incluye una barra de articulación
proximal 50 y una barra de articulación distal 52. La barra de
articulación proximal 50 tiene un primer extremo 50a que se
extiende desde el extremo proximal de la parte de cuerpo endoscópica
18, y un segundo extremo 50b situado dentro de la parte de cuerpo
18 y conectado para pivotamiento a un primer extremo 52a de la
segunda barra de articulación 52. Un segundo extremo 52b de la barra
de articulación 52 está conectado a pivotamiento al collarín de
rotación 22 por la espiga 25 (Fig. 1) en un punto desplazado del
miembro de pivote 24, es decir, el eje de pivotamiento del conjunto
de instrumento 12. La barra de articulación 52 está confinada en
una ranura 54 formada en la parte de cuerpo endoscópica 18. Debido a
ese confinamiento, el mecanismo de articulación es únicamente capaz
de articular el conjunto de instrumento 12 en un arco a un lado del
eje geométrico longitudinal del dispositivo. Preferiblemente, cada
una de las conexiones de pivotamiento antes identificadas incluye
una espiga de pivote. Como alternativa, los miembros de pivote
pueden estar formados integralmente con los anteriores componentes,
o bien se pueden usar miembros de pivote que no incluyan espigas.
Están también contemplados otros tipos de barras de
articulación.
En uso, cuando el eje geométrico longitudinal
del conjunto de instrumento 12 está alineado con el eje geométrico
longitudinal de la parte de cuerpo 18, y la barra de articulación
proximal 50 está retraída en la dirección indicada por la flecha
"A" en la Fig. 4, la barra de articulación 50 retrae a la barra
de articulación 52 para efectuar la articulación del conjunto de
instrumento 12 alrededor del miembro de pivote 24 en la dirección
indicada por la flecha "B" en la Fig. 4. El conjunto de
instrumento 12 puede ser hecho retornar a una posición no
articulada haciendo avanzar para ello la barra de articulación 50 en
la dirección indicada por la flecha "C". En lo que sigue se
tratará sobre el mecanismo para controlar el movimiento del
mecanismo de articulación.
Con referencia a las Figs. 3-9,
se ha previsto un mecanismo de accionamiento para aproximar el
yunque 14 y el conjunto de cartucho 16, disparar las grapas, y
hacer girar el conjunto de instrumento 12 con relación al collarín
22. El mecanismo de accionamiento incluye un cable coaxial o miembro
de accionamiento 60 (Fig. 3) que tiene una varilla central 62 y una
funda exterior 64, un collarín de accionamiento 66 (Fig. 9), un
miembro de mordaza, aquí representado como el aro de mordaza 20, y
un miembro de pinzado dinámico 32. La varilla central 62 es, o
incluye, un miembro flexible que tiene una resistencia a la
compresión adecuada para empujar al miembro de pinzado dinámico 32
a través del cartucho 16a. Preferiblemente, la varilla central 62
incluye un cable flexible enrollado a izquierdas o a derechas. Como
alternativa, pueden usarse también otros materiales que tengan unas
características de resistencia adecuadas, por ejemplo, el
Nitinol^{TM}. El diámetro de la varilla central 62 debe ser lo
suficientemente pequeño como para ser situado dentro del espacio
disponible dentro del cartucho 16a. La funda exterior 64 está
situada alrededor de la varilla central 62 y funciona en parte para
estabilizar y prevenir el pandeo de la varilla central 62 mientras
la misma está en compresión. Preferiblemente, la funda exterior 62
es también un cable flexible formado de una malla de acero, de
plástico reforzado o de una aleación de níquel y titanio tal como
el Nitinol^{TM}. También está contemplado que para formar la
funda exterior se pueden usar otros materiales adecuados que
satisfagan los requisitos de resistencia requeridos, incluyendo un
material de poli parafenilenotereftalamida, tal como el
Kevlar^{TM} disponible comercialmente de la firma DuPont.
La varilla central 62 está situada para
deslizamiento dentro de la funda exterior 64 e incluye un primer
extremo proximal 62a (Fig. 4) que se extiende preferiblemente desde
el extremo proximal de la parte de cuerpo endoscópica 18, y un
segundo extremo 62b unido al miembro de pinzado dinámico 32. El
miembro de pinzado dinámico 32 incluye preferiblemente un rebajo 68
(Fig. 7) formado en el mismo para recibir al segundo extremo 62b de
la varilla central 62. El segundo extremo 62b puede ser asegurado
al miembro de pinzado dinámico 32 por recalcado, por soldadura como
en la Fig. 4, por soldadura fuerte, con espigas, etc., dentro de, o
utilizando, por ejemplo, el rebajo 68 y, puede ser también
mecanizado para que se adapte a la forma del rebajo 68.
La funda exterior 64 tiene un primer extremo
proximal 64a que se extiende preferiblemente desde el extremo
proximal de la parte de cuerpo alargada 18, y un segundo extremo
distal 64b conectado de modo fijo al collarín de accionamiento 66.
El collarín de accionamiento 66 (Fig. 9) incluye preferiblemente un
ánima central 70 para recibir la funda exterior 64 y proporcionar
un canal para el paso de la varilla central 62 a su través. La
superficie exterior del collarín de accionamiento 66 incluye
preferiblemente una estructura de aplicación, por ejemplo, muescas
72, para aplicar el miembro de mordaza o el aro 20 en una relación
de fijado para rotación. El aro de mordaza 20 incluye también una
estructura de aplicación, por ejemplo, venas o proyecciones 74, para
que coincida con la estructura de aplicación del collarín de
accionamiento 66 para asegurar para rotación el collarín de
accionamiento 66 al aro de mordaza 20 de modo que éstos roten
juntos. El extremo distal 20a del aro de mordaza 20 incluye un par
de recortes 78 configurados para recibir y aplicarse a partes de
pestaña 36a y 36b del miembro de pinzado dinámico 32.
En uso, la varilla central 62 y la funda
exterior 64 son movibles juntas desde una posición de retraídas a
una posición de parcialmente avanzadas, para hacer avanzar el
collarín de accionamiento 66, el aro de mordaza 20 y el miembro de
pinzado dinámico 32 a una primera posición avanzada. El aro de
mordaza 20, preferiblemente, está situado alrededor del extremo
proximal del yunque 14 y el conjunto de cartucho 16. El conjunto de
cartucho 16 incluye una superficie de leva 80 (Fig. 2) formada en
una superficie externa del mismo. Al moverse el miembro de pinzado
dinámico 32 desde la posición de retraído a la primera posición de
avanzado, la pestaña 36b del miembro de pinzado dinámico 32 se
aplica a la superficie de leva 80 del conjunto de cartucho 16 para
hacer pivotar el conjunto de cartucho 16 desde la posición de
abierto a la posición de cerrado o pinzado. El aro de mordaza 20 es
también movido distalmente desde la primera posición avanzada a una
posición en la que circunda a las partes proximales del yunque 14 y
el conjunto de cartucho 16. En esta posición, el aro de mordaza 20
impide que el espacio de separación entre las partes proximales del
yunque 14 y el conjunto de cartucho 16 exceda de una distancia
predeterminada.
Después de que la varilla central 62 y la funda
exterior 64 hayan sido movidas llevándolas a la primera posición de
avanzada para mover el conjunto de cartucho 16 y, en consecuencia,
el yunque 14 a la posición de pinzado, se puede avanzar la varilla
central 62 independientemente de la funda exterior 64 a una segunda
posición de avanzada para mover al miembro de pinzado dinámico 32 a
través del cartucho 16a para expulsar grapas desde el conjunto de
cartucho y cortar el tejido mediante el uso de la hoja de cuchilla
34 del miembro de cierre 32. Está contemplado que, como
alternativa, las pestañas 36a y 36b del miembro de cierre 32 puedan
aplicarse a una superficie de leva en el yunque 14 y/o en el
conjunto de cartucho 16 para hacer pivotar a uno o a los dos para
efectuar el pinzado del tejido. Con referencia a las Fig. 5 y 6, en
el cartucho 16a está formado un canal 82 para proporcionar soporte
lateral a la varilla central 62 para evitar que la varilla central
62 pandee durante el movimiento de la varilla central 62 desde la
posición de retraída a la segunda posición de avanzada.
Como se ha visto en lo que antecede, el yunque
14 está asegurado para rotación al collarín 22, la varilla central
62 está unida de modo fijo al miembro de pinzado dinámico 32, y la
funda exterior 64 está unidad de modo fijo al collarín de
accionamiento 66. Cuando se hace girar el miembro coaxial 60, el
conjunto de instrumento entero gira alrededor del eje geométrico
central del collarín 22. Más concretamente, puesto que el miembro
de pinzado dinámico 32 está confinado dentro del yunque 14 y el
conjunto de cartucho 16, todo par de torsión que sea aplicado a la
varilla central 62 se transfiere vía el miembro de pinzado dinámico
32 al conjunto de instrumento 12. Por consiguiente, se puede hacer
girar el miembro coaxial 60 para hacer girar al conjunto de
instrumento 12 alrededor del eje geométrico longitudinal del
collarín 22.
El conjunto de instrumento antes descrito puede
ser modificado para, o puede ser incorporado en, una unidad de
carga desechable, tal como se describe en la Patente de EE.UU.
Número 6.330.965, o ser unido directamente al extremo distal de
cualquier dispositivo para grapado quirúrgico conocido. Aunque aquí
no se ha descrito específicamente un conjunto de mango para
accionar al miembro de articulación y los mecanismos de aproximación
o pinzado, disparo, y rotación del instrumento, ha de quedar
entendido que se han contemplado una gran diversidad de diferentes
mecanismos de actuación y configuraciones de mango, incluyendo
palancas acodadas, pomos giratorios y deslizables, palancas
pivotables o disparadores, mangos de pistola, mangos en línea,
sistemas operados a distancia, y cualquier combinación de los
mismos. Por ejemplo, como se ha ilustrado en la Fig. 13A, el
conjunto de mango puede incluir un tipo de pistola 200 que incluye
un pomo 210 de rotación del conjunto de instrumento, una palanca de
articulación 212 y un pomo de rotación del cuerpo 214. También se ha
contemplado el uso de un conjunto de instrumento como el descrito
en lo que antecede como parte de un sistema robótico.
Está contemplado que la utilización de un
material de un calibre mayor solo para el conjunto de yunque, y
preferiblemente también para el miembro de cierre y para el aro de
pinzado, proporciona una presión de pinzado aumentada a lo largo de
la longitud del tejido, la cual, a su vez, produce un espacio de
separación del tejido más uniforme entre el respectivo yunque y las
superficies del cartucho adyacentes a, y por delante, de donde se
conforman las grapas a través del tejido. Además, utilizando el aro
de pinzado para prepinzar el tejido, es decir, para pinzar el
tejido con anterioridad a la deformación de las grapas, se tiende a
forzar algo del fluido del tejido distalmente y radialmente hacia
fuera, lo cual reduce la probabilidad de desplazamiento hidráulico
de las grapas durante su deformación. El uso de un miembro de cierre
o similar que efectúe el pinzado al trasladarse a lo largo del
miembro de instrumento, ayuda a compensar el flujo de fluido y/o
desde dentro del tejido y/o el arqueamiento del extremo distal del
yunque, y mantiene con ello el deseado espacio de separación del
tejido entre el yunque y el conjunto de cartucho.
En otra realización preferida, como la ilustrada
en la Fig. 14, el miembro de cierre 132 incluye pestañas superior e
inferior 136a, 136b espaciadas entre sí y unidas a una parte
intermedia 132a. Como en la realización anterior, el miembro de
cierre 132 está situado preferiblemente en la parte proximal de la
corredera 140, parcialmente dentro de un cartucho 118 del conjunto
de cartucho 116. Una hoja de cuchilla 134 está situada
preferiblemente en la parte intermedia 132a del miembro de cierre
132 para hacer una incisión en el tejido sujeto. La hoja de
cuchilla 134 puede ser mecanizada directamente en una sección de la
parte intermedia 132a, o bien puede ser unida de modo fijo o
desmontable a la parte intermedia 132a. Como alternativa, la hoja de
cuchilla 134 puede ser formada como parte de la corredera 140, o
bien puede ser asegurada de modo fijo o desmontable a la corredera
140. Las pestañas superior e inferior 136a, 136b son estructuras en
general arqueadas con curvaturas sustancialmente idénticas. Como
alternativa, las curvaturas de las pestañas superior e inferior
136a, 136b pueden diferir, para proporcionar un soporte de la
estructura mayor o menor. Cada pestaña 136a, 136b incluye además
una superficie interior 135a, 135b y una superficie exterior 137a,
137b. Preferiblemente, el miembro de cierre 132 está construido de
modo que las superficies interiores 135a, 135b están enfrentadas
entre sí. Las pestañas superior e inferior 136a, 136b funcionan
para definir el máximo espacio de separación del tejido entre las
superficies del yunque y el cartucho.
En una realización preferida, el conjunto de
cartucho 116 incluye una pluralidad de ranuras de retención 122
dispuestas a lo largo de un eje geométrico longitudinal del
alojamiento 118 del cartucho. Como se ha ilustrado en la Fig. 15,
las ranuras de retención 122 están dispuestas para formar grupos
primero y segundo 124, 126. Preferiblemente, cada grupo 124, 126
incluye tres filas de ranuras de retención 122 configuradas de tal
modo que una al menos de las filas está desplazada
longitudinalmente de las filas restantes. Se prefiere, además. que
al menos dos filas de ranuras de retención 122 estén dispuestas en
cada grupo 124, 126 del conjunto de cartucho 118 de tal modo que
cada ranura de retención 122 de una fila interior esté en alineación
sustancial longitudinal con una ranura de retención correspondiente
122 en la fila exterior, y la fila intermedia de ranuras de
retención 122 esté desplazada longitudinalmente de las filas
interior y exterior. Por consiguiente, las filas interior y
exterior de ranuras de retención 122 están alineadas
longitudinalmente desde la posición más proximal a la posición más
distal del alojamiento 118 del cartucho. Preferiblemente, una ranura
de retención 122 en las filas interior y exterior define,
respectivamente, la ranura de retención más proximal y la ranura de
retención más distal. La ventajosa posición de las ranuras de
retención 122, como se ha descrito, mejora la sujeción del tejido y
reduce al mínimo el sangrado.
Con referencia a las Figs.
16A-17B, se han ilustrado realizaciones adicionales
de la corredera 140 y el miembro empujador 150. El miembro
empujador 150 incluye una parte de base 152. En la Fig. 16A, la
corredera 140 ha sido hecha avanzar longitudinalmente en el
alojamiento 118 del cartucho y empieza a aplicarse a la base 152
del miembro empujador 150. Al ser hecha avanzar más la corredera 140
en dirección longitudinal (Fig. 16B), la base 152 del miembro
empujador 150 se aplica a las cuñas de leva verticales 144 de la
corredera 140. El movimiento longitudinal de la corredera 140
transfiere las fuerzas motrices longitudinales a lo largo de las
cuñas de leva 144, y por tanto a los miembros empujadores 150.
Preferiblemente, los miembros empujadores 150 están en relación de
fijos con el movimiento longitudinal de la corredera 140 y se mueven
en dirección sustancialmente ortogonal al eje geométrico
longitudinal del conjunto de cartucho 118, transfiriendo con ello
las fuerzas motrices al tramo posterior 162 de la grapa 160 para
mover la grapa 160 a través de la ranura de retención 122. En una
realización preferida, como la ilustrada en la Fig. 17A, las cuñas
de leva 144 de la corredera 140 se aplican a un rebajo 154 en el
miembro empujador 122. El rebajo 154 está configurado y adaptado
para aplicación de deslizamiento de la cuña de leva 144. Una vez
que la cuña de leva 144 se aplique al rebajo 154, el posterior
movimiento longitudinal de la corredera 140 actúa para mantener al
miembro empujador 150 en alineación vertical sustancial con el eje
geométrico longitudinal. Estando así configurado, una vez aplicado
con la corredera 140, el miembro empujador 150 mantiene su relación
de sustancialmente ortogonal con el eje geométrico longitudinal al
moverse a través de la ranura de retención 122. Como alternativa, el
miembro empujador 150a puede estar configurado para permanecer con
un espacio 146a entre las cuñas de leva 144a de la corredera 140a,
como se ha ilustrado en la Fig. 17B. Como en la realización
anterior, la base 152a del miembro empujador 150a está configurada
y adaptada para aplicación de deslizamiento con el espacio 146a de
la corredera 140a. Todavía, además, al aplicarse el miembro
empujador 150a a la cuña de leva 144a de la corredera 140a, el
miembro empujador 150a mantiene su relación de sustancialmente
ortogonal con el eje geométrico longitudinal al moverse a través de
la ranura de retención 122.
Se comprenderá que se pueden efectuar varias
modificaciones en las realizaciones aquí descritas. Por ejemplo,
aunque el conjunto de instrumento se ha descrito exclusivamente como
un dispositivo para grapar, puede usarse para aplicar elementos de
sujeción que no sean grapas, incluyendo elementos de sujeción en dos
partes. La descripción hecha en lo que antecede no deberá ser
entendida como limitadora, sino únicamente como ejemplos de
realizaciones preferidas. Quienes sean expertos en la técnica
contemplarán otras modificaciones dentro del alcance de las
reivindicaciones adjuntas.
Claims (25)
1. Un conjunto de instrumento (12) para un
dispositivo para grapado quirúrgico (10), comprendiendo el conjunto
de instrumento:
- \quad
- un yunque (14) y un conjunto de cartucho (16), teniendo el conjunto de cartucho una pluralidad de elementos de sujeción y siendo movible con relación al yunque entre una posición de espaciado y una posición de aproximado, definiendo el conjunto de cartucho y el yunque un espacio de separación del tejido en la posición de aproximado;
- \quad
- un miembro de mordaza (20) que es movible desde una posición de retraído a una posición de avanzado, para mover al conjunto de cartucho con relación al yunque desde la posición de espaciado a la posición de aproximado; y
- \quad
- medios para expulsar la pluralidad de elementos de sujeción desde el conjunto de cartucho adentro del tejido; y
- \quad
- un miembro de pinzado dinámico (32) situado de modo movible con relación al yunque y al conjunto de cartucho, siendo el miembro de pinzado dinámico movible con movimiento de traslación desde una posición de retraído en un extremo del yunque a una posición de avanzado en el otro extremo del yunque, para expulsar la pluralidad de elementos de sujeción desde el conjunto de cartucho, manteniendo dicho movimiento de traslación un espacio de separación del tejido deseado entre el yunque y el conjunto de cartucho durante la expulsión de los elementos de sujeción; y un miembro de accionamiento (60) que está conectado para funcionamiento al miembro de mordaza y al miembro de pinzado dinámico, estando formado el miembro de accionamiento por un cable flexible y siendo movible para mover el miembro de mordaza y el miembro de pinzado dinámico entre sus posiciones de retraídos y de avanzados.
\vskip1.000000\baselineskip
2. Un conjunto de instrumento de acuerdo con la
reivindicación 1, en el que el miembro de accionamiento incluye un
cable de accionamiento coaxial, incluyendo el cable de accionamiento
coaxial una funda exterior (64) y una varilla central (62).
3. Un conjunto de instrumento de acuerdo con la
reivindicación 2, en el que la varilla central es movible con
respecto a la funda exterior.
4. Un conjunto de instrumento de acuerdo con la
reivindicación 3, en el que la varilla central es movible
axialmente con respecto a la funda exterior.
5. Un conjunto de instrumento de acuerdo con la
reivindicación 3, en el que la varilla central es giratoria con
relación a la funda exterior.
6. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones 2-5, en el que la
funda exterior está conectada para funcionamiento al miembro de
mordaza.
7. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones 2-6, en el que la
varilla central está conectada para funcionamiento al miembro de
pinzado dinámico.
8. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones precedentes, en el que el
conjunto de instrumento está asegurado a pivotamiento a una parte de
cuerpo (18).
9. Un conjunto de instrumento de acuerdo con la
reivindicación 8, en el que el conjunto de instrumento está
conectado para funcionamiento a un miembro de collarín (22) y el
miembro de collarín está asegurado para pivotamiento a la parte de
cuerpo.
10. Un conjunto de instrumento de grapadora de
acuerdo con la reivindicación 9, en el que el conjunto de
instrumento está montado para rotación en el miembro de
collarín.
11. Un conjunto de instrumento de acuerdo con la
reivindicación 2, o cualquiera de las reivindicaciones 3 a 10 en
cuanto están subordinadas a la reivindicación 2, en el que la
varilla central del cable coaxial está conectada para
funcionamiento al miembro de pinzado dinámico, de tal modo que la
rotación de la varilla central efectúa la rotación del miembro de
pinzado dinámico, el cual produce la rotación del conjunto de
instrumento.
12. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones precedentes, en el que el
miembro de pinzado dinámico incluye una primera parte de pestaña
situada para aplicarse a una superficie del yunque, y una segunda
parte de pestaña situada para aplicarse a una superficie del
conjunto de cartucho, estando situadas las partes de pestaña
primera y segunda para definir un espacio de separación máxima del
tejido durante el movimiento del miembro de pinzado dinámico desde
su posición de retraído a su posición de avanzado.
\newpage
13. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones precedentes, en el que el
miembro de mordaza es anular y cuando está situado alrededor de un
extremo proximal del yunque y del conjunto de cartucho y está en su
posición de avanzado, el miembro de mordaza define un espacio de
separación máxima del tejido en un extremo proximal del conjunto de
instrumento.
14. Un conjunto de instrumento de acuerdo con la
reivindicación 2, en el que la varilla central está formada de
cable flexible enrollado.
15. Un conjunto de instrumento de acuerdo con la
reivindicación 2, en el que la funda exterior es de malla de acero
o de aleación de níquel y titanio con memoria de forma, o de un
material de poliparafenilenotereftalamida.
16. Un conjunto de instrumento de acuerdo con la
reivindicación 1, que incluye además una hoja de cuchilla (34)
asociada con el miembro de pinzado dinámico.
17. Un conjunto de instrumento de acuerdo con la
reivindicación 14, en el que la hoja de cuchilla está formada en el
miembro de pinzado dinámico.
18. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones 2-17, en el que
el conjunto de instrumento incluye un collarín de accionamiento
(66) y la funda exterior está unida al collarín de
accionamiento.
19. Un conjunto de instrumento de acuerdo con la
reivindicación 1, incluyendo el miembro de pinzado dinámico una
parte de pestaña superior (36a) que se aplica a una superficie del
yunque, y una parte de pestaña inferior (36b) que se aplica a una
superficie del conjunto de cartucho, teniendo una al menos de las
partes de pestaña superior e inferior una sección transversal
arqueada a lo largo de un eje geométrico transversal al eje
geométrico longitudinal del conjunto de cartucho.
20. Un conjunto de instrumento de acuerdo con la
reivindicación 19, que incluye además una hoja de cuchilla (34)
asociada con el miembro de pinzado dinámico.
21. Un conjunto de instrumento de acuerdo con la
reivindicación 19 ó 20, en el que la hoja de cuchilla está formada
en una parte de cuerpo central (132a) del miembro de pinzado
dinámico.
22. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones 19-21, en el que
el conjunto de cartucho incluye una corredera (31) y un empujador
(15c) para empujar al menos una grapa (160), siendo accionada la
corredera por el miembro de cierre a aplicación con el empujador
para accionar al empujador a aplicación con la al menos una grapa
para expulsar la grapa desde el conjunto de cartucho.
23. Un conjunto de instrumento de acuerdo con la
reivindicación 22, en el que el conjunto de cartucho incluye una
pluralidad de grapas y empujadores.
24. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones 19-23, en el que
la pestaña superior y la pestaña inferior están en alineación
sustancialmente vertical.
25. Un conjunto de instrumento de acuerdo con
cualquiera de las reivindicaciones 20-24, en el que
la hoja de cuchilla está dispuesta en la parte de cuerpo central
entre las pestañas superior e inferior.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41608802P | 2002-10-04 | 2002-10-04 | |
| US416088P | 2002-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2337248T3 true ES2337248T3 (es) | 2010-04-22 |
Family
ID=32093815
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES03773180T Expired - Lifetime ES2337248T3 (es) | 2002-10-04 | 2003-10-06 | Conjunto de herramienta para un dispositivo de grapado quirurgico. |
| ES10009127T Expired - Lifetime ES2377813T5 (es) | 2002-10-04 | 2003-10-06 | Conjunto de herramienta para un dispositivo de grapado quirúrgico |
| ES10165409T Expired - Lifetime ES2398459T3 (es) | 2002-10-04 | 2003-10-06 | Conjunto de herramienta para un dispositivo de grapado quirúrgico |
| ES09013099T Expired - Lifetime ES2380101T3 (es) | 2002-10-04 | 2003-10-06 | Conjunto de instrumento para un dispositivo de grapado quirúrgico. |
| ES10006453T Expired - Lifetime ES2414857T3 (es) | 2002-10-04 | 2003-10-06 | Conjunto de instrumento para un dispositivo de grapado quirúrgico |
| ES08003414T Expired - Lifetime ES2348273T3 (es) | 2002-10-04 | 2003-10-06 | Dispositivo de grapado quirurgico. |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES10009127T Expired - Lifetime ES2377813T5 (es) | 2002-10-04 | 2003-10-06 | Conjunto de herramienta para un dispositivo de grapado quirúrgico |
| ES10165409T Expired - Lifetime ES2398459T3 (es) | 2002-10-04 | 2003-10-06 | Conjunto de herramienta para un dispositivo de grapado quirúrgico |
| ES09013099T Expired - Lifetime ES2380101T3 (es) | 2002-10-04 | 2003-10-06 | Conjunto de instrumento para un dispositivo de grapado quirúrgico. |
| ES10006453T Expired - Lifetime ES2414857T3 (es) | 2002-10-04 | 2003-10-06 | Conjunto de instrumento para un dispositivo de grapado quirúrgico |
| ES08003414T Expired - Lifetime ES2348273T3 (es) | 2002-10-04 | 2003-10-06 | Dispositivo de grapado quirurgico. |
Country Status (8)
| Country | Link |
|---|---|
| US (14) | US7588177B2 (es) |
| EP (7) | EP2228017A1 (es) |
| JP (3) | JP4545589B2 (es) |
| AU (1) | AU2003279854B2 (es) |
| CA (1) | CA2500832C (es) |
| DE (2) | DE60333607D1 (es) |
| ES (6) | ES2337248T3 (es) |
| WO (1) | WO2004032762A1 (es) |
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- 2003-10-06 EP EP10165416A patent/EP2228017A1/en not_active Withdrawn
- 2003-10-06 WO PCT/US2003/031652 patent/WO2004032762A1/en not_active Ceased
- 2003-10-06 ES ES10165409T patent/ES2398459T3/es not_active Expired - Lifetime
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- 2003-10-06 EP EP10165409A patent/EP2238917B1/en not_active Expired - Lifetime
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- 2003-10-06 EP EP10009127.1A patent/EP2263562B2/en not_active Expired - Lifetime
- 2003-10-06 ES ES08003414T patent/ES2348273T3/es not_active Expired - Lifetime
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