ES2298687T3 - Instrumento quirurgico de grapado con sistemas separados de cierre y disparo. - Google Patents
Instrumento quirurgico de grapado con sistemas separados de cierre y disparo. Download PDFInfo
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- ES2298687T3 ES2298687T3 ES04252980T ES04252980T ES2298687T3 ES 2298687 T3 ES2298687 T3 ES 2298687T3 ES 04252980 T ES04252980 T ES 04252980T ES 04252980 T ES04252980 T ES 04252980T ES 2298687 T3 ES2298687 T3 ES 2298687T3
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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
- 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
- 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
- A61B2017/07242—Stapler heads achieving different staple heights during the same shot, e.g. using an anvil anvil having different heights or staples of different sizes
-
- 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
- A61B2017/07285—Stapler heads characterised by its cutter
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- Materials For Medical Uses (AREA)
Abstract
Un instrumento (10) quirúrgico de grapado lineal, que comprende: una porción (20) de mango accionable para producir por separado un movimiento de disparo y un movimiento de cierre; y una porción (22) de implementación que actúa en respuesta a los movimientos separados de cierre y disparo desde la porción (20) de mango, comprendiendo la porción (22) de implementación: - un canal (16) alargado acoplado a la porción (20) de mango; - un yunque (18) acoplado pivotablemente al canal (16) alargado y que incluye una ranura (42) de yunque, y - un dispositivo de disparo que incluye un borde (48) cortante presentado distalmente, recibido longitudinalmente entre el canal (16) alargado y el yunque (18), un miembro (38) superior susceptible de encajar deslizablemente con la ranura (42) de yunque y constreñido en el interior de la ranura (42) de yunque tanto en dirección hacia arriba como hacia abajo cuando el miembro (38) superior encaja deslizantemente en la ranura (42) de yunque, y una porción inferior susceptible de encajar longitudinalmente con el canal (16) alargado, en el que: el yunque (18) incluye un rebaje (40) próximo al dispositivo de disparo cuando está en posición no disparada, la ranura (42) de yunque comunica con el rebaje (40) para recibir el miembro (38) superior del dispositivo de disparo cuando está disparado, el canal (16) alargado incluye una ranura (45) de canal, y la porción inferior del dispositivo de disparo comprende además un miembro (46) intermedio y un miembro (44) inferior que encaja opuesta y deslizantemente con la ranura (45) de canal.
Description
Instrumento quirúrgico de grapado con sistemas
separados de cierre y disparo.
La presente invención se refiere, en general, a
instrumentos grapadores quirúrgicos que están capacitados para
aplicar líneas de grapas al tejido mientras realizan el corte del
tejido entre esas líneas de grapas, y más en particular, a
perfeccionamientos relacionados con los instrumentos grapadores y a
perfeccionamientos en los procedimientos para la conformación de
diversos componentes de tales instrumentos grapadores.
Las grapadoras quirúrgicas han sido utilizadas
en la técnica anterior para realizar una incisión longitudinal en el
tejido y aplicar líneas de grapas en los lados opuestos de la
incisión, de forma simultánea. Tales instrumentos incluyen
normalmente un par de miembros de mordaza cooperantes que, si el
instrumento ha sido previsto para aplicaciones endoscópicas o
laparoscópicas, están capacitados para pasar a través de un paso de
una cánula. Uno de los miembros de mordaza recibe un cartucho de
grapas que tiene al menos dos filas de grapas separadas
lateralmente. El otro miembro de mordaza define un yunque que tiene
cavidades de conformación de grapa alineadas con las filas de
grapas del cartucho. El instrumento incluye una pluralidad de cuñas
alternantes que, cuando se impulsan distalmente, pasan a través de
aberturas del cartucho de grapas y encajan con los impulsores que
soportan las grapas, para efectuar el disparo de las grapas hacia el
yunque.
Un ejemplo de grapadora quirúrgica adecuada para
aplicaciones endoscópicas, se encuentra descrito en la Patente U.S.
núm. 5.465.895, la cual proporciona ventajosamente acciones
distintas de cierre y de disparo. Con ello, un médico clínico está
en condiciones de cerrar los miembros de mordaza sobre el tejido
para posicionar el tejido con anterioridad al disparo. Una vez que
el médico clínico ha determinado que los miembros de mordaza están
agarrando apropiadamente el tejido, el médico clínico puede disparar
a continuación la grapadora quirúrgica, con lo que corta y grapa el
tejido. El corte y el grapado simultáneos, impide complicaciones que
pueden presentarse cuando se realizan tales acciones
secuencialmente, con diferentes herramientas quirúrgicas que,
respectivamente, sólo cortan o grapan.
Una ventaja específica de estar capacitados para
realizar el cierre sobre el tejido con anterioridad al disparo,
consiste en que el médico clínico está en condiciones de verificar,
a través de un endoscopio, que se ha capturado una cantidad de
tejido suficiente entre las mordazas opuestas. En otro caso, las
mordazas opuestas pueden ser arrastradas hasta una posición
demasiado cercana entre sí, especialmente comprimiendo sus extremos
distales, y sin conformar así de manera efectiva las grapas
cerradas en el tejido cortado. Además, una barra de disparo que
atraviesa entre las mordazas opuestas para cortar el tejido y para
accionar las cuñas que impulsan las grapas, puede encontrar
resistencia debido a las mordazas opuestas comprimidas.
De ese modo, mientras tales grapadoras
quirúrgicas han constituido un avance significativo en los
procedimientos quirúrgicos, se ha presentado una oportunidad de
aumentar su efectividad. En particular, sería deseable mantener
alternativamente una separación apropiada entre las mordazas
opuestas durante el disparo, conservando aún la ventaja de un cierre
y un disparo distintos y separados.
La Patente U.S. núm. 6.109.500 describe un
dispositivo quirúrgico que aplica filas paralelas de sujetadores
quirúrgicos al tejido corporal, y que forma simultáneamente una
incisión entre las filas de grapas durante un procedimiento
endoscópico o laparoscópico. En este dispositivo de la técnica
anterior, que se considera que representa la técnica anterior más
cercana a la presente invención, un mango es accionable para
producir separadamente un movimiento de disparo y un movimiento de
cierre en una porción de implementación que comprende un canal
alargado con una ranura para recibir un miembro de apriete inferior
sobre una corredera de disparo/corte, y un yunque pivotante con una
ranura para recibir un miembro de apriete superior sobre la
corredera de disparo.
En consecuencia, existe una necesidad importante
de un instrumento quirúrgico mejorado de corte y grapado que
mantenga una separación apropiada en su efector extremo para
conseguir un grapado apropiado del tejido cortado permitiendo aún
la apertura y el cierre del efector extremo sin disparar.
La invención subsana las deficiencias indicadas
en lo que antecede y otras deficiencias de la técnica anterior al
proporcionar un instrumento quirúrgico con un efector extremo para
apretar el tejido, y a continuación cortar y grapar simultáneamente
el tejido. La flexibilidad clínica de cerrar y apretar separadamente
en el tejido, seguido de la operación de disparo del efector extremo
(es decir, cortar y grapar), se conserva mientras se incorpora una
separación afirmativa del efector extremo de modo que se consigue el
corte efectivo y la conformación de la grapa.
La presente invención proporciona un instrumento
quirúrgico según se expone en las reivindicaciones.
Estos y otros objetos y ventajas de la presente
invención se pondrán de manifiesto a partir de los dibujos que se
acompañan y de la descripción de los mismos.
Los dibujos que se acompañan, que se incorporan
en, y que forman parte de, esta descripción, ilustran realizaciones
de la invención y, junto con la descripción general de la invención
que se ha dado en lo que antecede, y la descripción detallada de
las realizaciones que se proporciona en lo que sigue, sirven para
explicar los principios de la presente invención.
La Figura 1 representa una vista en alzado
lateral, parcialmente cortada, de un instrumento quirúrgico de
corte y grapado, en posición abierta;
la Figura 2 representa una vista detallada de un
alzado lateral, en sección transversal, a lo largo de la línea
2-2 de la Figura 1, de un efector extremo del
instrumento quirúrgico de corte y grapado;
la Figura 3 representa una vista en alzado
lateral, a mayor tamaño, de la barra de disparo del instrumento
quirúrgico de corte y grapado de la Figura 2;
la Figura 4 representa una vista frontal, a
mayor tamaño, de la barra de disparo del instrumento quirúrgico de
corte y grapado de la Figura 2;
la Figura 5 representa una vista detallada en
alzado lateral, en sección transversal, de un efector extremo
alternativo para el instrumento quirúrgico de corte y grapado de la
Figura 1, que incorpora una barra de disparo que carece de perno
intermedio para impedir la compresión del efector extremo;
la Figura 6 representa una vista en alzado
lateral de una porción de mango de un extremo proximal del
instrumento quirúrgico de corte y grapado de la Figura 1, con el
lateral izquierdo retirado para dejar al descubierto las partes
interiores en una posición no apretada, no disparada
("inicio");
la Figura 7 representa una vista en perspectiva,
despiezada, de la porción de mango del extremo proximal del
instrumento quirúrgico de corte y grapado de la Figura 1;
la Figura 8 representa una vista en alzado
lateral de la porción de mango del extremo proximal del instrumento
quirúrgico de corte y grapado de la Figura 1, con el lateral
izquierdo retirado para dejar al descubierto partes interiores en
posición cerrada ("enclavado");
la Figura 9 representa una vista en alzado
lateral de la porción de mango del extremo proximal del instrumento
quirúrgico de corte y grapado de la Figura 1, con el lateral
izquierdo retirado para dejar al descubierto las partes interiores
en la posición de corte y grapado ("disparado");
la Figura 10 representa una vista isométrica del
efector extremo por el extremo distal del instrumento quirúrgico de
corte y grapado de la Figura 1, con el yunque en posición elevada o
abierta, dejando al descubierto el cartucho de grapas y el borde
cortante de la barra de disparo;
la Figura 11 representa una vista isométrica,
despiezada, de la porción de implementación del instrumento
quirúrgico de corte y grapado de la Figura 1;
la Figura 12 representa una vista isométrica del
efector extremo por el extremo distal del instrumento quirúrgico de
corte y grapado de la Figura 1, con el yunque en posición elevada o
abierta, con el cartucho extraído en una gran parte para dejar al
descubierto un impulsor de grapa única y un impulsor de doble grapa
a título de ejemplo, y con la corredera de cuña en su posición
inicial contra un perno intermedio de la barra de disparo;
La Figura 13 representa una vista isométrica del
extremo distal del instrumento quirúrgico de corte y grapado de la
Figura 1, con el yunque en posición elevada o abierta con el
cartucho de grapas completamente extraído, y con una porción de
canal alargado retirada para dejar al descubierto un perno más
inferior de la barra de disparo;
la Figura 14 representa una vista en alzado
lateral, en sección, que muestra la relación mecánica entre el
yunque, el canal alargado, y el cartucho de grapas en la posición
cerrada del instrumento quirúrgico de corte y grapado de la Figura
1, estando la sección tomada en general a lo largo de las líneas
14-14 de la Figura 10 para dejar al descubierto la
corredera de cuña, los impulsores de grapas y las grapas, y
representando también la barra de disparo a lo largo de la línea
central longitudinal;
la Figura 15 representa una vista en sección del
efector extremo del instrumento quirúrgico de corte y grapado con el
cartucho y la barra de disparo en la posición de inicio, tomada a lo
largo de la línea 15-15 de la Figura 10;
la Figura 16 representa una vista en sección
tomada a lo largo de la línea 16-16 de la Figura 15,
que muestra la relación en sección transversal entre la barra de
disparo, el canal alargado, la corredera de cuña, los impulsores de
grapa, las grapas y el cartucho de grapas;
\newpage
la Figura 17 representa una vista en sección, en
alzado lateral, del instrumento quirúrgico de corte y grapado de la
Figura 1, tomada a lo largo de la línea central longitudinal del
efector extremo en posición de agarre del tejido parcialmente
cerrada perno no apretada;
la Figura 18 representa una vista en alzado
lateral, parcialmente cortada, del instrumento quirúrgico de corte
y grapado de la Figura 1, en posición cerrada o apretada;
la Figura 19 representa una vista en alzado
lateral, en sección por la línea central, del extremo distal del
instrumento quirúrgico de corte y grapado de la Figura 1 en posición
cerrada o apretada, con el tejido comprimido apropiadamente;
la Figura 20 representa una vista en alzado
lateral, parcialmente cortada, del instrumento quirúrgico de corte
y grapado de la Figura 1 en posición parcialmente disparada;
la Figura 21 representa una vista en sección por
la línea central del extremo distal del instrumento quirúrgico de
corte y grapado de la Figura 1, en posición parcialmente
disparada;
la Figura 22 representa una vista en alzado
lateral, parcialmente cortada, del instrumento quirúrgico de corte
y grapado de la Figura 1 en posición completamente disparada;
la Figura 23 representa una vista en sección por
la línea central del extremo distal del instrumento de corte y
grapado de la Figura 1 en posición completamente disparada.
\vskip1.000000\baselineskip
Volviendo a los dibujos, en los que los números
iguales indican componentes iguales a través de las diversas vistas,
las Figuras 1 y 2 representan un instrumento 10 quirúrgico de corte
y grapado que está capacitado para poner en práctica los beneficios
únicos de la presente invención. El instrumento 10 quirúrgico de
corte y grapado incorpora un efector 12 extremo que tiene una barra
14 de disparo que controla ventajosamente la separación del efector
12 extremo. En particular, un canal 16 alargado y un yunque 18
trasladable pivotablemente, se mantienen con una separación que
asegura un corte y un grapado efectivos. Se evitan los problemas
asociados a las cantidades variables de tejido que son capturadas
en el efector 12 extremo.
Se apreciará que los términos "proximal" y
"distal" se utilizan aquí con referencia a un médico clínico
que agarra un mango de un instrumento. Así, el efector 12 extremo es
distal con respecto a la porción 20 más proximal de mango. Se
apreciará además que por conveniencia y claridad, los términos
espaciales tales como "vertical" y "horizontal" se
utilizan aquí con respecto a los dibujos. Sin embargo, los
instrumentos quirúrgicos se utilizan en muchas orientaciones y
posiciones, y estos términos no pretenden ser limitativos ni
absolutos.
El instrumento 10 quirúrgico de corte y grapado
incluye una porción 20 de mango conectada a una porción 22 de
implementación, comprendiendo además esta última un eje 23 que
termina distalmente en el efector 12 extremo. La porción 20 de
mango incluye una empuñadura de pistola 24 hacia la cual es
arrastrado pivotablemente por el médico clínico un gatillo 26 de
cierre para provocar el apriete, o el cierre, del yunque 18 hacia el
canal 16 alargado del efector 12 extremo. Un gatillo 28 de disparo
está más hacia fuera del gatillo 26 de cierre, y es arrastrado
pivotablemente por el médico clínico para provocar el corte y
grapado del tejido apretado en el efector 12 extremo.
En primer lugar se acciona el gatillo 26 de
cierre. Una vez que el médico clínico está satisfecho con la
posición del efector 12 extremo, el médico clínico puede hacer
retroceder al gatillo 26 de cierre hasta su posición de
completamente cerrado, trabado, próximo a la empuñadura 24 de
pistola. A continuación, se acciona el gatillo 28 de disparo. El
gatillo 28 de disparo retorna elásticamente cuando el médico clínico
libera la presión. Un botón 30 de liberación, cuando está
depresionado en el extremo proximal de la porción 20 de mango,
libera cualquier gatillo 26 de cierre trabado.
Un manguito 32 de cierre, encierra un armazón
34, el cual encierra a su vez un miembro 36 impulsor de disparo que
es posicionado por el gatillo 28 de disparo. El armazón 34 conecta
la porción 20 de mango con el efector 12 extremo. Con el manguito
32 de cierre retirado proximalmente por el gatillo 26 de cierre
según se ha representado, el yunque 18 abre elásticamente,
pivotando hacia fuera del canal 16 alargado, y trasladándose
proximalmente con el manguito 32 de cierre. El canal 16 alargado
recibe un cartucho 37 de grapas.
Con referencia particular a las Figuras
2-4, la barra 14 de disparo incluye tres pernos
separados verticalmente que controlan la separación del efector 12
extremo durante el disparo. En particular, un perno 38 está
escalonado para entrar en un rebaje 40, cerca del punto de
pivotamiento entre el yunque 18 y el canal 16 alargado. Cuando se
dispara con el yunque 18 cerrado, el perno 38 superior avanza
distalmente por el interior de la ranura 42 de yunque longitudinal
que se extiende distalmente a través del yunque 18. Cualquier
desviación menor hacia arriba en el yunque 18, se subsana mediante
una fuerza descendente impartida por el perno 38 superior.
\newpage
La barra 14 de disparo incluye también un perno
más inferior, o tapa 44 de barra de disparo, que encaja por arriba
en una ranura 45 de canal formada en el canal 16 alargado,
cooperando con ello con el perno 38 superior para arrastrar el
yunque 18, y con el canal 16 alargado ligeramente más cercano en
caso de exceso de tejido apretado entre ambos.
La barra 14 de disparo incluye ventajosamente un
perno 46 intermedio que pasa a través de una ranura 47 impulsora de
disparo, formada en la superficie inferior del cartucho 37, y de una
superficie superior del canal 16 alargado, accionando con ello las
grapas del mismo como se describe en lo que sigue. El perno 46
intermedio, al deslizar contra el canal 16 alargado, resiste
ventajosamente cualquier tendencia del efector extremo a ser
comprimido por cierre en su extremo distal. Para ilustrar la
ventaja del perno 46 intermedio, la Figura 5 representa un efector
12' extremo alternativo que carece de perno intermedio en la barra
14' de disparo. En esta representación, se permite que el efector
12' extremo comprima mediante cierre su extremo distal, lo que
tiende a perjudicar la formación de la grapa
deseada.
deseada.
Volviendo a las Figuras 2-4, un
borde 48 de corte presentado distalmente entre los pernos 38, 46
superior e intermedio en la barra 46 de disparo, atraviesa una
ranura 49 vertical del cartucho 37, presentada proximalmente, para
cortar el tejido sujetado. El posicionamiento afirmativo de la barra
14 de disparo con respecto al canal 16 alargado y al yunque 18,
asegura que se realiza un corte efectivo.
La separación vertical afirmativa proporcionada
por la barra 14 de disparo, es adecuada para el tamaño limitado
disponible para los dispositivos endoscópicos. Además, la barra 14
de disparo permite la fabricación de un yunque 16 con un combado
que imparte una deflexión vertical en su extremo distal, similar a
la posición representada en la Figura 5. Este yunque 16 arqueado
ayuda ventajosamente a conseguir la separación deseada en el
deflector 12 extremo incluso con un yunque 16 de espesor reducido,
que resulta por tanto más adecuado a las limitaciones de tamaño de
un dispositivo endoscópico.
La barra 14 de disparo permite además
aplicaciones incrementadas, especialmente en combinación con una
gama de configuraciones de cartuchos de grapas. Por ejemplo, un
médico clínico puede seleccionar un cartucho de grapas gris que
produce una separación de tejido de 0,02 mm, un cartucho de grapas
blanco que produce una separación de tejido de 0,04 mm, un cartucho
azul que produce una separación de tejido de 0,06 mm, o un cartucho
verde que produce una separación de tejido de 0,10 mm. La altura
vertical de cada cartucho de grapas respetivo en combinación con la
longitud de las grapas y con una corredera de cuña integral
(descrita con mayor detalle en lo que sigue), predetermina este
espesor de tejido deseado con el yunque 18 separado verticalmente de
forma apropiada por la barra 14 de disparo.
Con referencia a las Figuras
6-9, la porción 20 de mango comprende una primera y
una segunda secciones 50 y 52 de base, las cuales están moldeadas a
partir de un material polimérico tal como policarbonato con carga
de fibra. La primera sección 50 de base está dotada de una
pluralidad de pernos 54 de forma cilíndrica. La segunda sección 52
de base incluye una pluralidad de miembros 56 sobresalientes, cada
uno de los cuales dispone de una abertura 58 de forma hexagonal.
Los pernos 54 de forma cilíndrica son recibidos en el interior de
las aberturas 58 de forma hexagonal y son sujetados friccionalmente
en las mismas para mantener la primera y la segunda secciones 50 y
52 ensambladas.
Un botón 60 giratorio tiene un orificio 62 que
se extiende completamente a través del mismo para encajar con, y
hacer girar a, la porción 22 de implementación en torno a su eje
longitudinal. El botón 60 giratorio incluye una protuberancia 64
sobresaliente hacia el interior, que se extiende a lo largo de al
menos una porción del orificio 62. La protuberancia 64 sobresaliente
es recibida en el interior de una ranura 66 longitudinal formada en
una porción proximal del manguito 32 de cierre de tal modo que el
giro del botón 60 giratorio efectúa la rotación del manguito 32 de
cierre. Se apreciará que la protuberancia 64 se extiende además a
través del armazón 34, y hacia su contacto con una porción del
miembro 36 impulsor de disparo para efectuar también su rotación. De
ese modo, el efector 12 extremo (no representado en las Figuras
6-9), gira con el botón 60 giratorio.
Un extremo 68 proximal del armazón 34 pasa
proximalmente a través del botón 60 giratorio y se ha dotado de una
muesca 70 circunferencial que es enganchada por miembros 72 opuestos
de fijación de canal, que se extienden respectivamente desde las
secciones 50 y 52 de base. Solamente se ha representado el miembro
72 de fijación de canal de la segunda sección 52 de base. Los
miembros 72 de fijación de canal que se extienden desde las
secciones 50, 52 de base, sirven para fijar el armazón 34 a la
porción 20 de mango de tal modo que el armazón 34 no se mueve
longitudinalmente con relación a la porción 20 de mango.
El gatillo 26 de cierre tiene una sección 74 de
mango, una sección 76 de segmento de engranaje, y una sección 78
intermedia. Un orificio 80 se extiende a través de la sección 78
intermedia. Un miembro 82 cilíndrico de soporte que se extiende
desde la segunda sección 52 de base, pasa a través del orificio 80
para montar pivotablemente el gatillo 26 de cierre en la porción 20
de mango. Un segundo miembro 83 cilíndrico de soporte que se
extiende desde la segunda sección 52 de base, pasa a través de un
orificio 81 del gatillo 28 de disparo para montar pivotablemente en
la porción 20 de mango. Una abertura 84 ha sido prevista en el
miembro 83 cilíndrico de soporte para recibir un perno de fijación
(no representado) que se extiende desde la primera sección 50 de
base.
Un yugo 86 de cierre se encuentra alojado en el
interior de la porción 20 de mango para su movimiento alternante en
la misma, y sirve para transferir movimiento desde el gatillo 26 de
cierre hasta el manguito 32 de cierre. Los miembros 88 de soporte
que se extienden desde la segunda sección 52 de base, y el miembro
72 de fijación, que se extiende a través del rebaje 89 del yugo 86,
soportan el yugo 86 en el interior de la porción 20 de mango.
Un extremo 90 proximal del manguito 32 de cierre
se ha dotado de una pestaña 92 que se acopla de forma rápida en un
rebaje 94 de recepción formado en un extremo 96 distal del yugo 86.
Un extremo 98 proximal del yugo 86 tiene un engranaje de cremallera
100 que encaja con la sección 76 de segmento de engranaje del
gatillo 26 de cierre. Cuando el gatillo 26 de cierre se mueve hacia
la empuñadura 24 de pistola de la porción 20 de mango, el yugo 86
y, con ello, el manguito 32 de cierre se mueven distalmente,
comprimiendo un resorte 102 que empuja el yugo proximalmente. El
movimiento distal del manguito 32 de cierre efectúa el movimiento de
traslación de pivote del yunque 18 distalmente y hacia el canal 16
alargado del efector 12 extremo, y el movimiento proximal efectúa el
cierre, como se va a discutir en lo que sigue.
El gatillo 26 de cierre es empujado hacia
delante hasta una posición abierta, mediante una superficie 130
delantera que interactúa con una superficie 128 de enganche del
gatillo 28 de disparo. Sujetando en primer lugar el gancho 104 que
pivota en la parte superior hacia atrás en la porción 20 de mango en
torno un perno 106, se limita el movimiento del gatillo 28 de
disparo hacia la empuñadura 24 de pistola hasta que el gatillo 26
de cierre queda afianzado en su posición cerrada. El gancho 104
limita el movimiento del gatillo 28 de disparo mediante el enganche
de un perno 107 de bloqueo en el gatillo 28 de disparo. El gancho
104 está también en contacto con el gatillo 26 de cierre. En
particular, una proyección 108 delantera del gancho 104 encaja con
un miembro 110 situado en la sección 78 intermedia del gatillo 26 de
cierre, estando el miembro 110 por fuera del orificio 80 hacia la
sección 74 de mango. El gancho 104 es empujado hacia su contacto con
el miembro 110 del gatillo 26 de cierre y su encaje con el perno
107 de bloqueo del gatillo 28 de disparo por un resorte 112 de
liberación. Según se depresiona el gatillo 26 de cierre, el gancho
104 se mueve por la parte superior hacia atrás, comprimiendo el
resorte 112 de liberación que se encuentra atrapado entre una
proyección 114 trasera del gancho 104 y una posición 116 delantera
del botón 30 de liberación.
Según se mueve el yugo 86 distalmente en
respuesta al movimiento proximal del gatillo 26 de cierre, un brazo
118 de retención superior del botón 30 de liberación se mueve a lo
largo de una superficie 120 superior del yugo 86, hasta caer en un
rebaje 122 presentado hacia arriba en una porción inferior,
proximal, del yugo 86. El resorte 112 de liberación empuja el botón
30 de liberación hacia fuera, el cual hace que pivote el brazo 118
de retención superior hacia abajo, hacia su encaje con el rebaje 122
presentado hacia arriba, fijando con ello el gatillo 26 de cierre en
la posición de apriete del tejido, tal y como se ha representado en
la Figura 8.
El brazo 118 de retención puede moverse hacia
fuera del rebaje 122 para liberar el yunque 18 empujando el botón 30
de liberación hacia el interior. Específicamente, el brazo 118 de
retención superior pivota hacia arriba en torno a un perno 123 de
la segunda sección 52 de base. A continuación se permite que el yugo
86 se mueva proximalmente en respuesta al movimiento de retorno del
gatillo 26 de cierre.
Un resorte 124 de retorno de gatillo de disparo,
se encuentra situado en el interior de la porción 20 de mango, con
un extremo sujeto al perno 106 de la segunda sección 52 de base, y
con el otro extremo sujeto a un perno 126 del gatillo 28 de
disparo. El resorte 124 de retorno de disparo aplica una fuerza de
retorno al perno 126 para empujar al gatillo 28 de disparo en
dirección hacia fuera de la empuñadura 24 de pistola de la porción
20 de mango. El gatillo 26 de cierre es también empujado hacia fuera
de la empuñadura 24 de pistola por la superficie 128 de encaje del
gatillo 28 de disparo que empuja la superficie 130 frontal del
gatillo 26 de cierre.
Según se mueve el gatillo 26 de cierre hacia la
empuñadura 24 de pistola, su superficie 130 delantera encaja con la
superficie 128 de encaje del gatillo 28 de disparo, haciendo que el
gatillo 28 de disparo se mueva hasta su posición de "disparo".
Cuando está en su posición de disparo, el gatillo 28 de disparo está
situado de modo que forma un ángulo de 45º aproximadamente con la
empuñadura 24 de pistola. Tras el disparo de la grapa, el resorte
124 provoca que el gatillo 28 de disparo retorne a su posición
inicial. Durante el movimiento de retorno del gatillo 28 de disparo,
su superficie 128 de encaje empuja contra la superficie 130
delantera del gatillo 26 de cierre, provocando que el gatillo 26 de
cierre retorne a su posición inicial. Un miembro 132 de tope se
extiende desde la segunda sección 52 de base para evitar que el
gatillo 26 de cierre gire más allá de su posición inicial.
El instrumento 10 quirúrgico de corte y grapado,
incluye adicionalmente una sección 134 recíproca, un multiplicador
136 y un miembro 138 impulsor. La sección 134 recíproca comprende
una corredera de cuña en la porción 22 de implementación (no
representada en las Figuras 6-9), y una varilla 140
impulsora metálica.
El miembro 138 impulsor incluye un primer y un
segundo engranajes de cremallera 141 y 142. Una primera muesca 144
ha sido prevista en el miembro 138 impulsor entre el primer y el
segundo engranajes de cremallera 141, 142. Durante el movimiento de
retorno del gatillo 28 de disparo, un diente 146 del gatillo 28 de
disparo encaja con la primera muesca 144 para devolver el miembro
138 impulsor a su posición inicial tras el disparo de la grapa. Una
segunda muesca 148 se encuentra situada en el extremo proximal de la
varilla 140 impulsora metálica, para fijar la varilla 140 impulsora
metálica con el brazo 118 de retención superior del botón 30 de
liberación en su posición no disparada.
\newpage
El multiplicador 136 comprende un primer y un
segundo engranajes piñón 150 y 152 integrales. El primer engranaje
piñón 150 integral está engranado con un primer engranaje de
cremallera 154 proporcionado en la varilla 140 impulsora metálica.
El segundo engranaje piñón 152 integral está engranado con el primer
engranaje de cremallera 141 previsto en el miembro 138 impulsor. El
primer engranaje piñón 150 integral tiene un primer diámetro, y el
segundo engranaje piñón 152 integral tiene un segundo diámetro que
es más pequeño que el primer diámetro.
Las Figuras 6, 8 y 9 representan,
respectivamente, la porción 20 de mango en la posición de inicio
(abierta y no disparada), en una posición de enclavada (cerrada y no
disparada), y en una posición disparada. El gatillo 28 de disparo
se ha dotado de una sección 156 de segmento de engranaje. La sección
156 de segmento de engranaje encaja con el segundo engranaje de
cremallera 142 del miembro 138 impulsor, de tal modo el movimiento
del gatillo 28 de disparo provoca que el miembro 138 impulsor se
mueva adelante y atrás entre una primera posición de impulsor,
mostrada en la Figura 8, y una segunda posición de impulsor,
mostrada en la Figura 9. Con el fin de impedir el disparo de una
grapa antes de que se haya realizado la sujeción del tejido, el
brazo 118 de retención superior del botón 30 de liberación está
encajado con la segunda muesca 148 del miembro 138 impulsor de tal
modo que la varilla 140 impulsora metálica está bloqueada en su
posición más proximal, como se ha representado en la Figura 6.
Cuando el brazo 118 de retención superior cae en el rebaje 122, el
brazo 118 de retención superior se desencaja de la segunda ranura
148 para permitir el movimiento distal de la varilla 140 impulsora
metálica, según se ha representado en la Figura 9.
Puesto que el primer engranaje de cremallera 141
del miembro 138 impulsor y el engranaje de cremallera 154 de la
varilla 140 impulsora metálica están engranados con el multiplicador
136, el movimiento del gatillo 28 de disparo provoca que la varilla
150 impulsora metálica se mueva recíprocamente entre una primera
posición alternativa, mostrada en la Figura 8, y una segunda
posición alternativa, mostrada en la Figura 9. Puesto que el
diámetro del primer engranaje piñón 150 es mayor que el diámetro del
segundo engranaje piñón 152, el multiplicador 136 mueve la sección
134 recíproca una distancia mayor que la del miembro 138 impulsor
movido por el gatillo 28 de disparo. Los diámetros del primer y
segundo engranajes piñón 150 y 152, pueden ser cambiados para
permitir que la longitud de la carrera del gatillo 28 de disparo y
la fuerza requerida para moverlo, varíen.
Se apreciará que la porción 20 de mango es
ilustrativa y que se pueden emplear otros mecanismos de actuación.
Por ejemplo, los movimientos de cierre y de disparo pueden ser
generados por medios automatizados.
El efector 12 extremo del instrumento 10
quirúrgico de corte y grapado, ha sido representado con mayor
detalle en las Figuras 10-16. Según se ha descrito
en lo que antecede, la porción 20 de mango produce movimientos
separados y distintos de cierre y de disparo que accionan el efector
12 extremo. El efector 12 extremo mantiene ventajosamente la
flexibilidad clínica de este cierre y disparo separados y distintos
(es decir, el corte y el grapado). Además, el efector 12 extremo
introduce la capacidad mencionada anteriormente de mantener
afirmativamente la separación cerrada durante el disparo después de
que el médico clínico posiciona y sujeta el tejido. Ambas
características incrementan procedimental y estructuralmente la
capacidad del instrumento 10 quirúrgico de corte y grapado, al
asegurar una separación adecuada para casos en los que, de otro
modo, se sujeta una cantidad inadecuada de tejido, y para aumentar
la sujeción en casos en los que, de otro modo, se ha sujetado una
cantidad excesiva de tejido.
La Figura 10 representa el efector 12 extremo,
el cual está en posición abierta por medio de un manguito 32 de
cierre retraído, con un cartucho 37 de grapas instalado en el canal
16 alargado. En una superficie 200 inferior del yunque 18, una
pluralidad de cavidades 202 de formación de grapa se encuentran
ordenadas de modo que corresponden con una pluralidad de aberturas
204 de grapadora formadas en la superficie superior del cartucho 37
de grapas. La barra 14 de disparo está en su posición proximal con
el perno 38 superior alineado en relación de no interferencia con el
rebaje 40. El rebaje 40 ha sido mostrado en comunicación con la
ranura 42 de yunque longitudinal del yunque 18. El borde 48
cortante presentado distalmente de la barra 14 de disparo, está
alineado con, y separado proximalmente de, la ranura 49 vertical del
cartucho 37 de grapas, permitiendo con ello la extracción de un
cartucho agotado y la inserción de un cartucho no disparado, que se
acopla de forma rápida en el canal 16 alargado. Específicamente, las
configuraciones 208, 210 de extensión del cartucho 37 de grapas,
encajan con los rebajes 212, 214 (mostrados en la Figura 12) del
canal 16 alargado.
La Figura 11 muestra la porción 22 de
implementación del instrumento 10 quirúrgico de corte y grapado en
forma desmontada. El cartucho 37 de grapas ha sido representado de
manera que comprende un cuerpo 216 de cartucho, una corredera 218
de cuña, impulsores 220 simple y doble, grapas 222, y una bandeja
224 de cartucho. Cuando está ensamblado, la bandeja 224 de cartucho
mantiene la corredera 218 de cuña, los impulsores 220 simple y
doble, y las grapas 222 en el interior del cuerpo 216 del
cartucho.
Disponer de una corredera 218 de cuña integral
con el cartucho 37 de grapas, permite un número de opciones
flexibles de diseño en comparación con la incorporación de
superficies de leva en la propia barra de disparo. Por ejemplo, se
puede seleccionar un número de cartuchos de grapas diferentes para
su uso en el instrumento 10, teniendo cada cartucho de grapas una
configuración diferente de filas de grapas, teniendo de ese modo
cada uno de ellos una corredera de cuña única configurada para
contactar con el perno 46 intermedio de la barra 14 de disparo
mientras provocan la impulsión de las grapas 222. Según otro
ejemplo, la corredera 218 de cuña integral proporciona una
oportunidad respecto a un número de características de bloqueo,
descritas con mayor detalle en la primera y tercera solicitudes en
tramitación mencionadas en lo que antecede.
El canal 16 alargado tiene una cavidad 226 de
sujeción situada proximalmente, que recibe un miembro 228 de anclaje
de canal en el extremo distal del armazón 34 para sujetar el efector
12 extremo a la porción 20 de mango. El canal 16 alargado tiene
también una ranura 230 de leva de yunque que recibe pivotablemente
un pivote 232 de yunque del yunque 18. El manguito 32 de cierre que
abarca al armazón 34, incluye una lengüeta 234 presentada
distalmente, que encaja con un dispositivo 236 de yunque próximo al,
pero distante del, pivote 232 de yunque del yunque 18, para efectuar
con ello la apertura y el cierre del yunque 18. El miembro 36
impulsor de disparo ha sido mostrado como ensamblado con la barra
14 de disparo, sujeto a un conector 238 de disparo por medio de
pernos 240, el cual está a su vez sujeto giratoria y proximalmente a
la varilla 140 impulsora metálica. La barra 14 de disparo está
guiada por el extremo distal del armazón mediante una guía 239
ranurada insertada en la misma.
Con referencia particular a la Figura 12, una
porción del cartucho 37 de grapas ha sido retirada para dejar al
descubierto porciones del canal 16 alargado, tales como los rebajes
212, 214, y para dejar al descubierto algunos componentes del
cartucho 37 de grapas en su posición no disparada. En particular, el
cuerpo 216 de cartucho (mostrado en la Figura 11) ha sido retirado.
La corredera 218 de cuña ha sido mostrada en su posición proximal,
no disparada, con un bloque 242 empujador que contacta con el perno
46 intermedio (no representado en la Figura 12) de la barra 14 de
disparo. La corredera 218 de cuña está en contacto deslizante
longitudinal sobre la bandeja 224 de cartucho, e incluye cuñas 228
que fuerzan hacia arriba los impulsores 220 simple y doble según se
mueve la corredera 218 de cuña distalmente. Las grapas 222 (no
representadas en la Figura 12) que apoyan sobre los impulsores 220
son así forzadas también hacia arriba, hacia su contacto con las
cavidades 202 de conformación de yunque existentes en el yunque 18,
para conformar grapas cerradas. También se ha representado la ranura
45 de canal en el canal 16 alargado, que está alineada con la ranura
49 vertical del cartucho 37 de grapa.
La Figura 13 representa el efector 12 extremo de
la Figura 12 con todo el cartucho 37 de grapas extraído para mostrar
el perno 46 intermedio de la barra 14 de disparo, así como también
la porción del canal 16 alargado retirada en posición adyacente a
la ranura 45 de canal para dejar al descubierto la tapa 44 de barra
de disparo. Adicionalmente, se han retirado porciones del eje 23
para dejar al descubierto una porción proximal de la barra 14 de
disparo. Proyectándose hacia abajo desde el yunque 18 cerca del
pivote, un par de topes 244 de tejido opuestos evitan que el tejido
sea posicionado demasiado lejos, hacia el efector 12 extremo durante
el grapado.
La Figura 14 representa el efector 12 extremo
cerrado en posición de agarre del tejido, con la barra 14 de disparo
no disparada. El perno 38 superior está en un rebaje 40, alineado
verticalmente con la ranura 42 de yunque para el movimiento
longitudinal distal de la barra 14 de disparo durante el disparo. El
perno 46 intermedio se sitúa de modo que empuja la corredera 218 de
cuña distalmente, de modo que la cuña 228 contacta secuencialmente
con, y levanta, los impulsores 220 y las grapas 222 respectivas
hacia el contacto de conformación con las cavidades 202 de
conformación de grapas existentes en la superficie 200 inferior del
yunque 18.
La Figura 15 representa la superficie 206
superior del cartucho 37 de grapas con la barra 14 de disparo en su
posición proximal, no disparada. Las aberturas 204 de grapadora
están ordenadas a cada lado de la ranura 49 vertical del cartucho
37 de grapas.
La Figura 16 representa el efector 12 extremo
cerca del pivote que muestra que el canal 16 alargado tiene
porciones 246 de rampa opuestas para cooperar con los topes 244 de
tejido del yunque 18 (no representado en la Figura 16), para impedir
que el tejido atasque el efector 12 extremo. También se han
representado con mayor detalle los impulsores 220 dobles y su
relación con las grapas 222.
Durante el uso, el instrumento 10 quirúrgico de
corte y grapado se utiliza según se ha representado en las Figuras
1, 2 y 17-23. En las Figuras 1-2, el
instrumento 10 está en su posición de partida, con un cartucho 37
de grapas no disparado, cargado completamente, adaptado de forma
rápida en el extremo distal del canal 16 alargado. Ambos gatillos
26, 28 están hacia delante, y el efector 12 extremo está abierto,
tal y como sería típico tras la inserción del efector 12 extremo a
través de un trócar o de otra abertura hacia una cavidad corporal.
El instrumento 10 puede ser manipulado a continuación por el médico
clínico de tal modo que el tejido 248 que ha de ser cortado y
grapado, se posicione entre el cartucho 37 de grapas y el yunque 18,
como se ha representado en la Figura 17.
Con referencia a las Figuras
18-19, a continuación, el médico clínico mueve el
gatillo 26 de cierre proximalmente hasta que se posiciona
directamente adyacente a la empuñadura 24 de pistola, fijando la
porción 20 de mango en posición cerrada y enclavada. La barra 14 de
disparo retraída en el efector 12 extremo, no impide la apertura y
el cierre selectivos del efector 12 extremo, sino que por el
contrario reside en el interior del rebaje 40. Con el yunque 18
cerrado y enclavado, la barra 14 de disparo en forma de brazo en E,
se alinea para el disparo a través del efector 12 extremo. En
particular, el perno 38 superior se alinea con la ranura 42 de
yunque y el canal 16 alargado se encaja afirmativamente alrededor de
la ranura 45 de canal por medio del perno 46 intermedio y de la
tapa 44 de barra de disparo.
Con referencia a las Figuras
20-21, una vez que se ha producido la sujeción del
tejido, el médico clínico mueve el gatillo 28 de disparo
proximalmente provocando que la barra 14 de disparo se mueva
distalmente hacia el efector 12 extremo. En particular, el perno 46
intermedio entra en el cartucho 37 de grapas a través de la ranura
47 impulsora de disparo para efectuar el disparo de las grapas 222
(no representadas en las Figuras 20-21) por medio
de la corredera 218 de cuña hacia el yunque 18. El perno más
inferior, o tapa 44 de barra de disparo, coopera con el perno 46
intermedio para posicionar deslizantemente el borde 48 cortante de
la barra 14 de disparo, para cortar el tejido. Los dos pernos 44,
46 posicionan también el perno 38 superior de la barra 14 de disparo
en el interior de la ranura 42 longitudinal de yunque del yunque 18,
manteniendo afirmativamente la separación entre el yunque 18 y el
canal 16 alargado mediante su movimiento distal de disparo.
Con referencia a las Figuras
22-23, el médico clínico sigue moviendo el gatillo
28 de disparo hasta que lo lleva proximal al gatillo 26 de cierre y
a la empuñadura 24 de pistola. Con ello, todos los extremos de las
grapas 222 son curvados como resultado de su encaje con el yunque
18. La tapa 44 de barra de disparo es detenida contra un tope 250 de
barra de disparo que se proyecta hacia el extremo distal de la
ranura 45 de canal. El borde 48 de corte ha atravesado
completamente el tejido. El proceso se completa liberando el gatillo
28 de disparo y depresionando a continuación el botón 30 de
liberación mientras se aprieta simultáneamente el gatillo 26 de
cierre para abrir el efector 12 extremo.
Mientras que la presente invención ha sido
ilustrada con la descripción de varias realizaciones, y mientras que
las realizaciones ilustrativas han sido descritas con detalle
considerable, no es intención de la solicitante restringir o
limitar en modo alguno el alcance de las reivindicaciones anexas a
ese detalle. Ventajas y modificaciones adicionales pueden ser
fácilmente evidentes para los expertos en la materia.
Por ejemplo, la separación afirmativa del yunque
18 y del canal 16 alargado se consigue en parte con dos pernos 44,
46 situados en la barra 14 de disparo que encajan en los lados
opuestos de una ranura 47 de canal, y un perno 38 superior único
arrastrado por el interior de la ranura 42 de yunque. Sería acorde
con los aspectos de la invención que el yunque estuviera atrapado
por pernos opuestos en cualquiera de los lados de la ranura
longitudinal y/o por un canal alargado que tenga una ranura interna
que arrastra un perno inferior.
En otro ejemplo, aunque la barra 14 de disparo
tiene ventajas respecto a un instrumento 10 quirúrgico de corte y
grapado empleado endoscópicamente, se puede utilizar una barra de
disparo similar en otros procedimientos clínicos. Se acepta en
general que los procedimientos endoscópicos son más comunes que los
procedimientos laparoscópicos. En consecuencia, la presente
invención ha sido discutida en términos de procedimientos y aparatos
endoscópicos. Sin embargo, el uso aquí de términos tales como
"endoscópico" no debe ser considerado como limitativo de la
presente invención a un instrumento quirúrgico de corte y grapado
para su uso solamente junto con un tubo endoscópico (por ejemplo, un
trócar). Por el contrario, se estima que la presente invención puede
encontrar un uso en cualquier procedimiento en el que el acceso se
limite a una pequeña incisión, incluyendo aunque sin limitación los
procedimientos laparoscópicos, así como también los procedimientos
abiertos.
Todavía según otro ejemplo, aunque la porción 20
de mango ilustrativa que aquí se ha descrito es accionada
manualmente por un médico clínico, es conforme con los aspectos de
la invención que algunas o todas las funciones de una porción de
mango estén impulsadas (por ejemplo, sean neumáticas, hidráulicas,
electromecánicas, ultrasónicas, etc.). Además, los controles de
cada una de estas funciones pueden ser presentados manualmente en
una porción de mango o estar controlados remotamente (por ejemplo,
remotos inalámbricos, consola remota automatizada, etc.).
Claims (3)
1. Un instrumento (10) quirúrgico de grapado
lineal, que comprende:
una porción (20) de mango accionable para
producir por separado un movimiento de disparo y un movimiento de
cierre; y una porción (22) de implementación que actúa en respuesta
a los movimientos separados de cierre y disparo desde la porción
(20) de mango, comprendiendo la porción (22) de implementación:
- -
- un canal (16) alargado acoplado a la porción (20) de mango;
- -
- un yunque (18) acoplado pivotablemente al canal (16) alargado y que incluye una ranura (42) de yunque, y
- -
- un dispositivo de disparo que incluye un borde (48) cortante presentado distalmente, recibido longitudinalmente entre el canal (16) alargado y el yunque (18), un miembro (38) superior susceptible de encajar deslizablemente con la ranura (42) de yunque y constreñido en el interior de la ranura (42) de yunque tanto en dirección hacia arriba como hacia abajo cuando el miembro (38) superior encaja deslizantemente en la ranura (42) de yunque, y una porción inferior susceptible de encajar longitudinalmente con el canal (16) alargado, en el que:
- el yunque (18) incluye un rebaje (40) próximo al dispositivo de disparo cuando está en posición no disparada, la ranura (42) de yunque comunica con el rebaje (40) para recibir el miembro (38) superior del dispositivo de disparo cuando está disparado, el canal (16) alargado incluye una ranura (45) de canal, y la porción inferior del dispositivo de disparo comprende además un miembro (46) intermedio y un miembro (44) inferior que encaja opuesta y deslizantemente con la ranura (45) de canal.
2. El instrumento quirúrgico de la
reivindicación 1, en el que la porción (22) de implementación
comprende además un cartucho (37) de grapas recibido en el canal
(16) alargado, siendo el dispositivo de disparo operable para
accionar el cartucho (37) de grapas durante el disparo.
3. El instrumento quirúrgico de la
reivindicación 1 o la reivindicación 2, en el que el instrumento es
un instrumento endo-quirúrgico y la porción (22) de
implementación está dimensionada para su inserción a través de un
paso de cánula endo-quirúrgica.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/441,632 US7000818B2 (en) | 2003-05-20 | 2003-05-20 | Surgical stapling instrument having separate distinct closing and firing systems |
| US441632 | 2003-05-20 | ||
| US10/443,617 US6978921B2 (en) | 2003-05-20 | 2003-05-20 | Surgical stapling instrument incorporating an E-beam firing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2298687T3 true ES2298687T3 (es) | 2008-05-16 |
Family
ID=42229108
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES04252976T Expired - Lifetime ES2279301T3 (es) | 2003-05-20 | 2004-05-20 | Instrumento de grapado quirurgico que incorpora un mecanismo de disparo enchavetado. |
| ES04252980T Expired - Lifetime ES2298687T3 (es) | 2003-05-20 | 2004-05-20 | Instrumento quirurgico de grapado con sistemas separados de cierre y disparo. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES04252976T Expired - Lifetime ES2279301T3 (es) | 2003-05-20 | 2004-05-20 | Instrumento de grapado quirurgico que incorpora un mecanismo de disparo enchavetado. |
Country Status (10)
| Country | Link |
|---|---|
| US (3) | US7000818B2 (es) |
| EP (2) | EP1479349B8 (es) |
| JP (2) | JP4841810B2 (es) |
| AT (1) | ATE383113T1 (es) |
| AU (4) | AU2004202108A1 (es) |
| CA (2) | CA2467803C (es) |
| DE (2) | DE602004011142T2 (es) |
| ES (2) | ES2279301T3 (es) |
| MX (2) | MXPA04004891A (es) |
| PL (2) | PL1479346T3 (es) |
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| EP0699418A1 (en) | 1994-08-05 | 1996-03-06 | United States Surgical Corporation | Self-contained powered surgical apparatus |
| US5507426A (en) | 1994-08-05 | 1996-04-16 | United States Surgical Corporation | Apparatus for applying surgical fasteners |
| US5779130A (en) | 1994-08-05 | 1998-07-14 | United States Surgical Corporation | Self-contained powered surgical apparatus |
| US5632432A (en) * | 1994-12-19 | 1997-05-27 | Ethicon Endo-Surgery, Inc. | Surgical instrument |
| US5735445A (en) * | 1995-03-07 | 1998-04-07 | United States Surgical Corporation | Surgical stapler |
| US5624452A (en) * | 1995-04-07 | 1997-04-29 | Ethicon Endo-Surgery, Inc. | Hemostatic surgical cutting or stapling instrument |
| US6032849A (en) | 1995-08-28 | 2000-03-07 | United States Surgical | Surgical stapler |
| US5762256A (en) | 1995-08-28 | 1998-06-09 | United States Surgical Corporation | Surgical stapler |
| US5697542A (en) | 1995-10-19 | 1997-12-16 | Ethicon Endo-Surgery, Inc. | Endoscopic surgical stapler with compact profile |
| US6010054A (en) * | 1996-02-20 | 2000-01-04 | Imagyn Medical Technologies | Linear stapling instrument with improved staple cartridge |
| US6440146B2 (en) | 1996-07-23 | 2002-08-27 | United States Surgical Corporation | Anastomosis instrument and method |
| US5692688A (en) * | 1996-08-01 | 1997-12-02 | California Pellet Mill Company | Comminuting screen for hammermills |
| US6109500A (en) | 1996-10-04 | 2000-08-29 | United States Surgical Corporation | Lockout mechanism for a surgical stapler |
| US5865361A (en) * | 1997-09-23 | 1999-02-02 | United States Surgical Corporation | Surgical stapling apparatus |
| US7000818B2 (en) * | 2003-05-20 | 2006-02-21 | Ethicon, Endo-Surger, Inc. | Surgical stapling instrument having separate distinct closing and firing systems |
| US6786382B1 (en) * | 2003-07-09 | 2004-09-07 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument incorporating an articulation joint for a firing bar track |
-
2003
- 2003-05-20 US US10/441,632 patent/US7000818B2/en not_active Expired - Lifetime
- 2003-05-20 US US10/443,617 patent/US6978921B2/en not_active Expired - Lifetime
-
2004
- 2004-05-18 AU AU2004202108A patent/AU2004202108A1/en not_active Abandoned
- 2004-05-19 JP JP2004149559A patent/JP4841810B2/ja not_active Expired - Lifetime
- 2004-05-19 AU AU2004202146A patent/AU2004202146A1/en not_active Abandoned
- 2004-05-19 JP JP2004149665A patent/JP4841811B2/ja not_active Expired - Lifetime
- 2004-05-20 EP EP04252980A patent/EP1479349B8/en not_active Expired - Lifetime
- 2004-05-20 MX MXPA04004891A patent/MXPA04004891A/es active IP Right Grant
- 2004-05-20 DE DE602004011142T patent/DE602004011142T2/de not_active Expired - Lifetime
- 2004-05-20 ES ES04252976T patent/ES2279301T3/es not_active Expired - Lifetime
- 2004-05-20 DE DE602004004194T patent/DE602004004194T2/de not_active Expired - Lifetime
- 2004-05-20 EP EP04252976A patent/EP1479346B8/en not_active Expired - Lifetime
- 2004-05-20 MX MXPA04004893A patent/MXPA04004893A/es active IP Right Grant
- 2004-05-20 AT AT04252980T patent/ATE383113T1/de not_active IP Right Cessation
- 2004-05-20 PL PL04252976T patent/PL1479346T3/pl unknown
- 2004-05-20 PL PL04252980T patent/PL1479349T3/pl unknown
- 2004-05-20 ES ES04252980T patent/ES2298687T3/es not_active Expired - Lifetime
- 2004-05-20 CA CA2467803A patent/CA2467803C/en not_active Expired - Fee Related
- 2004-05-20 CA CA2467795A patent/CA2467795C/en not_active Expired - Fee Related
-
2005
- 2005-11-30 US US11/289,918 patent/US20060180634A1/en not_active Abandoned
-
2010
- 2010-05-25 AU AU2010202104A patent/AU2010202104B2/en not_active Ceased
- 2010-08-24 AU AU2010212511A patent/AU2010212511B2/en not_active Ceased
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