ES2073870T3 - Dispositivo de levas. - Google Patents

Dispositivo de levas.

Info

Publication number
ES2073870T3
ES2073870T3 ES92308136T ES92308136T ES2073870T3 ES 2073870 T3 ES2073870 T3 ES 2073870T3 ES 92308136 T ES92308136 T ES 92308136T ES 92308136 T ES92308136 T ES 92308136T ES 2073870 T3 ES2073870 T3 ES 2073870T3
Authority
ES
Spain
Prior art keywords
wire
cutting
catheter
guide wire
stenosis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES92308136T
Other languages
English (en)
Inventor
Gary W Gomringer
Thomas A Trozera
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterVentional Technologies Inc
Original Assignee
InterVentional Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by InterVentional Technologies Inc filed Critical InterVentional Technologies Inc
Application granted granted Critical
Publication of ES2073870T3 publication Critical patent/ES2073870T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • 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
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
    • 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
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B2017/320741—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

LA INVENCION SE REFIERE A UNA HERRAMIENTA DE CORTE PARA ENDARTERECTOMIA EXPANDIBLE (10) PARA USO EN LA INCISION DE PLACA PARA UNA ESTENOSIS EN UNA ARTERIA DE UN PACIENTE QUE INCLUYE UN ALAMBRE DE GUIA (22), UN CATETER SOBRE EL ALAMBRE (16) Y UN MECANISMO DE LEVAS (18), QUE ESTA UNIDO CERCA DEL EXTREMO DISTAL DEL ALAMBRE DE GUIA. EL MECANISMO DE LEVAS ESTA CONSTITUIDO POR UNA SERIE DE RAMPAS (34) QUE SE INCLINA HACIA AFUERA DESDE EL ALAMBRE DE GUIA EN UNA DIRECCION DISTAL A LO LARGO DE DICHO ALAMBRE. UNA SERIE DE ATADURAS (30) TENIENDO CADA UNA UN EXTREMO UNIDO AL CATETER Y EL OTRO EXTREMO DESLIZABLEMENTE MONTADO EN UNA DE LAS RAMPAS EN EL MECANISMO DE ELEVAS. UNA HOJA DE CORTE (38) ESTA UNIDA POR A CADA ATADURA CERCA DE SU EXTREMO EN LA RAMPA, DE MODO QUE EL ALAMBRE DE GUIA SEA OBJETO DE TRACCION EN UNA DIRECCION PROXIMAL RELATIVA AL CATETER, SIENDO LAS HOJAS DE CORTE IMPULSADAS POR EL TETER HASTA QUE SU CORRESPONDIENTE RAMPA SEA RADIALMENTE EXTENDIDA DESDE EL MECANISMO DE LEVA. POR OTRA PARTE, AL EMPUJAR EL ALAMBRE DE GUIA EN UNA DIRECCION DISTAL RELATIVA AL CATETER TIRARA DE CADA HOJA DE CORTE EXTENDIDA HACIA ABAJO EN SU RESPECTIVA RAMPA PARA LA RETRACCION DE LAS HOJAS DE CORTE. EN CONDICIONES DE FUNCIONAMIENTO, EL MECANISMO DE LEVAS DE LA HERRAMIENTA SE COLOCA EN POSICION DISTAL PARA LA ESTENOSIS Y SE EXTIENDEN LAS HOJAS DE CORTE. ESTAS ULTIMAS SE ESTIRAN LUEGO A TRAVES DE LA PLACA EN LA ESTENOSIS PARA DEBILITAR LA PLACA PARA LA POSTERIOR DILATACION DE LA ARTERIA EN UN PROCEDIMIENTO DE ANGIOPLASTIA. LAS HOJAS DE CORTE SE RETRAEN LUEGO Y LA HERRAMIENTA SE RETIRA DE LA ARTERIA.
ES92308136T 1992-01-13 1992-09-08 Dispositivo de levas. Expired - Lifetime ES2073870T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/820,755 US5224949A (en) 1992-01-13 1992-01-13 Camming device

Publications (1)

Publication Number Publication Date
ES2073870T3 true ES2073870T3 (es) 1995-08-16

Family

ID=25231637

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92308136T Expired - Lifetime ES2073870T3 (es) 1992-01-13 1992-09-08 Dispositivo de levas.

Country Status (7)

Country Link
US (1) US5224949A (es)
EP (1) EP0551707B1 (es)
JP (1) JPH084597B2 (es)
AU (1) AU649595B2 (es)
CA (1) CA2077739C (es)
DE (1) DE69202145T2 (es)
ES (1) ES2073870T3 (es)

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Also Published As

Publication number Publication date
CA2077739C (en) 1996-05-28
US5224949A (en) 1993-07-06
CA2077739A1 (en) 1993-07-14
DE69202145T2 (de) 1995-08-24
DE69202145D1 (de) 1995-05-24
JPH05220158A (ja) 1993-08-31
AU2611992A (en) 1993-07-15
EP0551707B1 (en) 1995-04-19
AU649595B2 (en) 1994-05-26
JPH084597B2 (ja) 1996-01-24
EP0551707A1 (en) 1993-07-21

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