ES2551507T3 - Cuchilla de corte ultrasónica con forma de gancho - Google Patents

Cuchilla de corte ultrasónica con forma de gancho Download PDF

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Publication number
ES2551507T3
ES2551507T3 ES07809465.3T ES07809465T ES2551507T3 ES 2551507 T3 ES2551507 T3 ES 2551507T3 ES 07809465 T ES07809465 T ES 07809465T ES 2551507 T3 ES2551507 T3 ES 2551507T3
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handle
blade
blade body
width
hook
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ES07809465.3T
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Mircea Paraschiv
Theodore A. D. Novak
Alexander L. Darian
Ronald R. Manna
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Misonix LLC
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Misonix LLC
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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/14—Surgical saws
    • A61B17/142—Surgical saws with reciprocating saw blades, e.g. with cutting edges at the distal end of the saw blades
    • 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
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/320074—Working tips with special features, e.g. extending parts blade
    • A61B2017/320075—Working tips with special features, e.g. extending parts blade single edge blade, e.g. for cutting
    • 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
    • A61B2017/320072—Working tips with special features, e.g. extending parts
    • A61B2017/320078—Tissue manipulating surface

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

Abstract

Una cuchilla quirúrgica ultrasónica (110, 210, 310, 410) que comprende un cuerpo de cuchilla (112, 212, 312, 412) y un mango (114, 214, 314, 414), fijándose dicho mango (114, 214, 314, 414) en un extremo a dicho cuerpo de cuchilla (112, 212, 312, 412) y pudiendo conectarse de forma operativa en un extremo opuesto a una fuente de vibraciones ultrasónicas, teniendo dicho mango (114, 214, 314, 414) un eje longitudinal (128, 228, 328, 428), teniendo dicho mango (114, 214, 314, 414) un ancho de mango (SW1, SW2, SW3, SW4) en una dirección perpendicular a dicho eje (128, 228, 328, 428), teniendo dicho cuerpo de cuchilla (112, 212, 312, 412) una parte de gancho (126, 226, 326, 426) y una parte alargada (124, 224, 324, 424) que conectan dicha parte de gancho (126, 226, 326, 426) a dicho mango (114, 214, 314, 414), teniendo dicha parte alargada (124, 224, 324, 424) un ancho de cuchilla (BW1, BW2, BW3, BW4) en una dirección perpendicular a dicho eje (128, 228, 328, 428), siendo dicho ancho de cuchilla (BW1, BW2, BW3, BW4) inferior a dicho ancho de mango (114, 214, 314, 414), teniendo dicho cuerpo de cuchilla (112, 212, 312, 412) un grosor inferior a dicho ancho de cuchilla (BW1, BW2, BW3, BW4), situándose dicha parte de gancho (126, 226, 326, 426) en un extremo distal de dicho cuerpo de cuchilla (112, 212, 312, 412) y opuesto a dicho mango (114, 214, 314, 414), definiendo dicho cuerpo de cuchilla (112, 212, 312, 412) y dicho mango (114, 214, 314, 414) un recorte o rebaje (134, 234, 334, 434) entre dicho mango (114, 214, 314, 414) en un extremo proximal y dicha parte de gancho (126, 226, 326, 426) en dicho extremo distal de dicho cuerpo de cuchilla (112, 212, 312, 412), caracterizada por que el mango (114, 214, 314, 414) se forma con una perforación o canal longitudinal (136, 236, 336, 436) que se comunica directamente con el recorte o rebaje (134, 234, 334, 434) en un extremo proximal del mismo, y por que dicha parte de gancho (126, 226, 326, 426) está provista de un borde cortante curvado (132, 232, 332, 432) que se orienta en una dirección distal, lejos de dicho mango (114, 214, 314, 414).

Description

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E07809465
29-10-2015
Los bordes cortantes 130 y 146 no tienen que ser necesariamente igual de afilados. Por ejemplo, el borde longitudinal externo 130 puede ser afilado y el borde interno 146 puede ser romo, o viceversa.
Los bordes cortantes 130, 132, 144, 146 de cuchilla 110 son continuos (salvo la muesca 140), es decir, no tienen dientes, bordes dentados o huecos. Esta continuidad proporciona una superficie de contacto lisa esencial cuando se hacen cortes precisos.
La Figura 2 representa otra cuchilla quirúrgica ultrasónica 210 que comprende un cuerpo de cuchilla 212 y un mango
214. El mango 214 se fija en un extremo al cuerpo de cuchilla 212 y se proporciona en un extremo opuesto con un cuello roscado externamente 215 para conectar la cuchilla 210 a una fuente de vibraciones ultrasónicas (que no se muestra). El mango 214 incluye un cuerpo cilíndrico 216 proporcionado sobre lados opuestos con un par de superficies planares 218 engranables mediante una llave de ajuste para para apretar y aflojar alternativamente la cuchilla de la fuente de vibraciones ultrasónicas. El mango 218 se forma en un extremo distal con un par de superficies inclinadas 220 que se conectan fácilmente al cuerpo de cuchilla 212
El cuerpo de cuchilla 212 no incluye una parte en forma de placa proximal como la parte en forma de placa proximal 122 del cuerpo de cuchilla 112. En vez de eso, el mango 214 es directamente continuo con una parte longitudinal alargada 224 del cuerpo de cuchilla 212.
El cuerpo de cuchilla 212 incluye además una parte de extremo distal en forma de gancho 226 que se forma de manera continuamente integral con la parte de cuchilla alargada 224. El cuerpo de cuchilla 212 se coloca de forma excéntrica relativo a un eje longitudinal 228 de cuchilla 210 y particularmente del mango 214, debido a una colocación lateral escalonada de la parte alargada 224 relativa al mango 214. Durante el uso de la cuchilla 210, se cree que esta excentricidad convierte una parte de la energía de las ondas de compresión ultrasónicas longitudinales en ondas transversales ultrasónicas, por lo que la parte de cuchilla alargada o longitudinal 224 muestra un componente de movimiento orientado de forma sustancialmente transversal al eje 228 y al borde cortante 230. Se cree que este movimiento transversal mejora una acción de corte lateral del borde 230, en una dirección generalmente transversal al eje 228.
La parte de cuchilla alargada 224 es rectangular y tiene un ancho uniforme BW2. La parte de cuchilla alargada 224 se orienta sustancialmente paralela al eje 228. Una sección de borde cortante alargada externa 230 de la parte de cuchilla alargada 224 es paralela al eje 228 y es continua en un extremo distal con borde cortante curvado de forma circular 232 que define una periferia distal de la parte de extremo distal en forma de gancho 226.
El extremo distal de mango 214, la parte de cuchilla longitudinal alargada 224, y la parte de extremo distal en forma de gancho 226 definen juntos un recorte o rebaje rectangular 234 entre el mango 214 en un extremo proximal y la parte de gancho 226 en el extremo distal del cuerpo de cuchilla 212.
Una perforación o un canal proximal 236 en el mango 214 se comunica en un extremo distal con una perforación o un canal 238 en un extremo distal ahusado (que no se marca por separado) del mango 214. El canal 238 se comunica a su vez con un rebaje 234. Los canales 236 y 238 proporcionan líquido de irrigación y refrigeración al rebaje 234 para su distribución sobre el cuerpo de cuchilla 212. Para este fin, se proporcionan una muesca 240 y una superficie de distribución de líquido 242 en la parte de extremo distal en forma de gancho 226 del cuerpo de cuchilla 212 para ayudar en la conducción de un líquido refrigerante al borde cortante 232.
La parte de extremo distal 226 del cuerpo de cuchilla 212 tiene un borde cortante afilado 244 y un borde cortante romo 245 que se orientan en una dirección proximal hacia el mango 214, mientras que la parte de cuchilla alargada 224 tiene un borde cortante romo 246 que se orienta lateralmente hacia el eje 228. Los bordes cortantes 245 y 246 son romos y tienen el grosor del cuerpo de cuchilla 212.
El mango 214 tiene un ancho de mango SW2 en una dirección sustancialmente perpendicular al eje 228, mientras que la parte alargada 224 del cuerpo de cuchilla 212 tiene un ancho BW2 también medido en una dirección sustancialmente perpendicular al eje 228. El ancho de cuchilla BW2 es sustancialmente inferior al ancho de mango SW2, lo que facilita la colocación excéntrica del cuerpo de cuchilla 212 relativa al mango 214. El cuerpo de cuchilla 212 tiene un grosor (que no se muestra) sustancialmente inferior al ancho de cuchilla BW2.
El borde cortante curvado 232 de la parte de extremo distal 226 se extiende a lo largo de un arco de 180 grados en la realización de la Figura 2. Los bordes cortantes 232 y 230 definen juntos un borde cortante en forma de J sustancialmente orientado hacia el exterior (que no se marca por separado). La cuchilla quirúrgica ultrasónica 210 tiene así diversos bordes cortantes que incluyen (1) este borde cortante en forma de J orientado hacia el exterior con una sección lineal 230 y una sección curvada 232, (2) los bordes cortantes orientados hacia atrás 244 y 245, y (3) la sección lineal 246 orientada hacia el interior o de forma opuesta al borde cortante 230. En un lado orientado lateralmente hacia el exterior, la parte de cuchilla alargada 224 también puede incluir una sección de borde cortante romo 248. La sección curvada 232 puede comprender diversos ángulos sectoriales y se coloca sobre el cuerpo de cuchilla sustancialmente opuesto al mango 214.
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Claims (1)

  1. imagen1
ES07809465.3T 2006-06-14 2007-06-12 Cuchilla de corte ultrasónica con forma de gancho Active ES2551507T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US452608 1982-12-23
US11/452,608 US8814870B2 (en) 2006-06-14 2006-06-14 Hook shaped ultrasonic cutting blade
PCT/US2007/013713 WO2007146244A2 (en) 2006-06-14 2007-06-12 Hook shaped ultrasonic cutting blade

Publications (1)

Publication Number Publication Date
ES2551507T3 true ES2551507T3 (es) 2015-11-19

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ES07809465.3T Active ES2551507T3 (es) 2006-06-14 2007-06-12 Cuchilla de corte ultrasónica con forma de gancho
ES15173566T Active ES2770635T3 (es) 2006-06-14 2007-06-12 Hoja de corte ultrasónico en forma de gancho

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US (2) US8814870B2 (es)
EP (2) EP2032043B1 (es)
JP (1) JP2009539551A (es)
CA (1) CA2655068C (es)
ES (2) ES2551507T3 (es)
WO (1) WO2007146244A2 (es)

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