ES2563315T3 - Cuchilla curvada multifuncional para su uso con un instrumento quirúrgico ultrasónico - Google Patents

Cuchilla curvada multifuncional para su uso con un instrumento quirúrgico ultrasónico Download PDF

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Publication number
ES2563315T3
ES2563315T3 ES10179625.8T ES10179625T ES2563315T3 ES 2563315 T3 ES2563315 T3 ES 2563315T3 ES 10179625 T ES10179625 T ES 10179625T ES 2563315 T3 ES2563315 T3 ES 2563315T3
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Spain
Prior art keywords
section
ultrasonic
waveguide
concave
surgical instrument
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Expired - Lifetime
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ES10179625.8T
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English (en)
Inventor
Jeffrey D. Messerly
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Ethicon Endo Surgery Inc
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Ethicon Endo Surgery Inc
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A61B2017/320093—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing cutting operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A61B2017/320094—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw additional movable means performing clamping operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B17/320092—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw
    • A61B2017/320095—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw with sealing or cauterizing means

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Mechanical Engineering (AREA)
  • Biomedical Technology (AREA)
  • Dentistry (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

Una cuchilla (88) ultrasónica que comprende: un borde (56) ancho y un borde (55, 55A) estrecho, dicho borde (56) ancho opuesto a dicho borde (55, 55A) estrecho a lo largo de un plano (181, 181A) vertical, en el que dicho borde (56) ancho es redondeado y romo y en el que dicho borde (55, 55A) estrecho está definido por la intersección de una primera superficie (53, 53A) y una segunda superficie (57, 57A), caracterizado porque dicha primera superficie es cóncava y en el que dicha segunda superficie es cóncava o no cóncava, y porque la tangente (60, 60A) de dicha primera superficie cóncava en dicho borde estrecho define un ángulo (α, αA) con la tangente (62, 62A), de dicha segunda superficie cóncava o no cóncava, en el que la bisección (59, 59A) de dicho ángulo (α, αA) interseca dicho plano (181, 181A) vertical.

Description

DESCRIPCIÓN
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Tal como se ilustra en la figura 2, la guía 179 de ondas ultrasónicas puede incluir uno o más anillos estabilizadores de silicona o envolturas de amortiguamiento 110 (se muestra una de ellas) colocadas en diversas ubicaciones alrededor de la periferia de la guía 179 de ondas ultrasónicas. Las envolturas 110 de amortiguamiento amortiguan la vibración no deseable y aíslan la energía ultrasónica del tubo 170 interno asegurando el flujo de
5 energía ultrasónica en una dirección longitudinal al extremo distal de la cuchilla 88 ultrasónica con un máximo de eficacia. Las envolturas 110 de amortiguamiento pueden estar fijadas a la guía 179 de ondas ultrasónicas mediante un ajuste con apriete como, por ejemplo, una envoltura de amortiguamiento que se describe en la solicitud de patente de los Estados Unidos con n.º 08/808.652.
10 Haciendo de nuevo referencia a la figura 2, la guía 179 de ondas ultrasónicas tiene generalmente una primera sección 182, una segunda sección 184 y una tercera sección 186. La primera sección 182 de la guía 179 de ondas ultrasónicas se extiende de forma distal desde el extremo proximal de la guía 179 de ondas ultrasónicas. La primera sección 182 tiene una dimensión en sección transversal sustancialmente continua.
15 Preferentemente, la primera sección 182 tiene al menos un orificio 188 radial de guía de ondas que se extiende a través de la misma. El orificio 188 de guía de ondas se extiende sustancialmente en perpendicular al eje de la guía 179 de ondas ultrasónicas. Preferentemente, el orificio 188 de guía de ondas está colocado en un nodo pero puede estar colocado en cualquier otro punto adecuado a lo largo de la guía 179 de ondas ultrasónicas. Se reconocerá que el orificio 188 de guía de ondas puede tener cualquier profundidad adecuada y puede tener
20 cualquier forma adecuada.
El orificio 188 de guía de ondas de la primera sección 182 está alineado con las aberturas 178 opuestas de la carcasa 172 y los orificios 161 del tubo externo de la carcasa 162 para recibir el pasador 163. El pasador 163 permite que se aplique un par motor de giro a la guía 179 de ondas ultrasónicas desde el mando 190 giratorio para
25 girar el elemento 150 alargado. El pasadizo 195 del elemento 150 alargado incluye unas aberturas 178 opuestas, unos orificios 161 del tubo externo, un orificio 188 de guía de ondas y unos orificios 199 opuestos.
La segunda sección 184 de la guía 179 de ondas ultrasónicas se extiende de forma distal desde la primera sección 182. La segunda sección 184 tiene una dimensión en sección transversal sustancialmente continua. El
30 diámetro de la segunda sección 184 es menor que el diámetro de la primera sección 182. A medida que pasa la energía ultrasónica desde la primera sección 182 de la guía 179 de ondas ultrasónicas hasta la segunda sección 184, el estrechamiento de la segunda sección 184 dará como resultado una mayor amplitud de la energía ultrasónica que pasa a través del mismo.
35 La tercera sección 186 se extiende de forma distal desde el extremo distal de la segunda sección 184. La tercera sección 186 tiene una dimensión en sección transversal sustancialmente continua. La tercera sección 186 también puede incluir pequeños cambios de diámetro a lo largo de su longitud. Preferentemente, la tercera sección incluye una junta 187 formada alrededor de la periferia externa de la tercera sección 186. A medida que pasa energía ultrasónica desde la segunda sección 184 de la guía 179 de ondas ultrasónicas a la tercera sección 186, el
40 estrechamiento de la tercera sección 186 dará como resultado una mayor amplitud de la energía ultrasónica que pasa a través del mismo.
La tercera sección 186 puede tener una pluralidad de acanaladuras o muescas (que no se muestran) formadas en su circunferencia externa. Las acanaladuras pueden estar ubicadas en nodos de la guía 179 de ondas 45 ultrasónicas o en cualquier otro punto adecuado a lo largo de la guía 179 de ondas ultrasónicas para actuar como
indicadores del alineamiento para la instalación de una envoltura 110 de amortiguamiento durante la fabricación.
Haciendo referencia aún a la figura 2, la envoltura 110 de amortiguamiento del instrumento 150 quirúrgico rodea al menos una porción de la guía 179 de ondas ultrasónicas. La envoltura 110 de amortiguamiento puede estar 50 colocada alrededor de la guía 179 de ondas ultrasónicas para amortiguar o limitar la vibración transversal de lado a lado de la guía 179 de ondas ultrasónicas durante el funcionamiento. Preferentemente, la envoltura 110 de amortiguamiento rodea parte de la segunda sección 184 de la guía 179 de ondas ultrasónicas. Se contempla que la envoltura 110 de amortiguamiento pueda estar colocada alrededor de cualquier porción adecuada de la guía 179 de ondas ultrasónicas. Preferentemente, la envoltura 110 de amortiguamiento se extiende sobre al menos un antinodo
55 de vibración transversal, y más preferentemente, una pluralidad de antinodos de vibración transversal. Preferentemente, la envoltura 110 de amortiguamiento tiene una sección transversal sustancialmente circular. Se reconocerá que la envoltura 110 de amortiguamiento puede tener cualquier forma adecuada para encajar sobre la guía 179 de ondas ultrasónicas y puede tener cualquier longitud adecuada.
60 Preferentemente, la envoltura 110 de amortiguamiento se encuentra ligeramente en contacto con la guía 179 de ondas ultrasónicas para absorber energía ultrasónica no deseada de la guía 179 de ondas ultrasónicas. La envoltura 110 de amortiguamiento reduce la amplitud de vibraciones no axiales de la guía 179 de ondas ultrasónicas, como, vibraciones transversales no deseadas asociadas con la frecuencia longitudinal de 55.500 Hz al igual que otras frecuencias mayores y menores.
65
10
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Claims (1)

  1. imagen1
ES10179625.8T 1999-10-05 2000-09-08 Cuchilla curvada multifuncional para su uso con un instrumento quirúrgico ultrasónico Expired - Lifetime ES2563315T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41322599A 1999-10-05 1999-10-05
US413225 1999-10-05

Publications (1)

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ES2563315T3 true ES2563315T3 (es) 2016-03-14

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ES10179625.8T Expired - Lifetime ES2563315T3 (es) 1999-10-05 2000-09-08 Cuchilla curvada multifuncional para su uso con un instrumento quirúrgico ultrasónico
ES00960037T Expired - Lifetime ES2375701T3 (es) 1999-10-05 2000-09-08 Cuchilla curvada multifuncional para su uso con un instrumento quirúrgico ultrasónico.
ES10179735.5T Expired - Lifetime ES2548383T3 (es) 1999-10-05 2000-09-08 Cuchilla curvada multifuncional para su uso con un instrumento quirúrgico ultrasónico

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ES00960037T Expired - Lifetime ES2375701T3 (es) 1999-10-05 2000-09-08 Cuchilla curvada multifuncional para su uso con un instrumento quirúrgico ultrasónico.
ES10179735.5T Expired - Lifetime ES2548383T3 (es) 1999-10-05 2000-09-08 Cuchilla curvada multifuncional para su uso con un instrumento quirúrgico ultrasónico

Country Status (7)

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US (1) US6432118B1 (es)
EP (3) EP1223869B1 (es)
JP (1) JP4493893B2 (es)
AU (1) AU776442B2 (es)
CA (1) CA2386227C (es)
ES (3) ES2563315T3 (es)
WO (1) WO2001024714A1 (es)

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