BR9907800A - Dispositivos médicos flexìveis emissores de raio x - Google Patents

Dispositivos médicos flexìveis emissores de raio x

Info

Publication number
BR9907800A
BR9907800A BR9907800-7A BR9907800A BR9907800A BR 9907800 A BR9907800 A BR 9907800A BR 9907800 A BR9907800 A BR 9907800A BR 9907800 A BR9907800 A BR 9907800A
Authority
BR
Brazil
Prior art keywords
medical devices
ray
neutron
activation
section
Prior art date
Application number
BR9907800-7A
Other languages
English (en)
Inventor
Anthony J Armini
Original Assignee
Implant Sciences Corp
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 Implant Sciences Corp filed Critical Implant Sciences Corp
Publication of BR9907800A publication Critical patent/BR9907800A/pt

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
    • G21G4/00—Radioactive sources
    • G21G4/04—Radioactive sources other than neutron sources
    • G21G4/06—Radioactive sources other than neutron sources characterised by constructional features
    • G21G4/08—Radioactive sources other than neutron sources characterised by constructional features specially adapted for medical application
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
    • A61K41/009—Neutron capture therapy, e.g. using uranium or non-boron material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
    • A61K51/12—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by a special physical form, e.g. emulsion, microcapsules, liposomes, characterized by a special physical form, e.g. emulsions, dispersions, microcapsules
    • A61K51/1282—Devices used in vivo and carrying the radioactive therapeutic or diagnostic agent, therapeutic or in vivo diagnostic kits, stents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0095—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof radioactive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
    • A61N5/1002—Intraluminal radiation therapy

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Radiation-Therapy Devices (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)

Abstract

Patente de Invenção: <B>"DISPOSITIVOS MéDICOS FLEXìVEIS EMISSORES DE RAIO X"<D>. Trata-se de um dispositivo médico implantável de acordo com a presente invenção e compreende um corpo, tal como uma estrutura para manter aberto um orifício ou um fio, e um isótopo dotado de uma alta seção transversal de ativação de nêutron, tal como ^ 168^Yb ou ^ 124^Xe, íon implantada na superfície do corpo. O uso de isótopos dotados de alta seção transversal de ativação de nêutron permite uma escolha mais ampla de substratos a serem empregados, e incluem aço inoxidável, níquel, titânio, e ligas que incluem os referidos metais, pelo fato do tempo necessário para a ativação de nêutron do dispositivo ser reduzida. Um material de revestimento de alta densidade pode ser incorporado para servir a diversos fins úteis, e incluem a contenção de partículas beta indesejáveis provenientes das espécies radioativas de longa vida, criação de uma superfície biologicamente inerte, e aumento da radiopacidade de raio X para aperfeiçoar a visibilidade de um dispositivo médico implantado. Os dispositivos médicos implantáveis da presente invenção podem também compreender dispositivos médicos radioativos que incluem radioisótopos tais como ^ 169^Yb e ^ 125^l.
BR9907800-7A 1998-02-10 1999-02-09 Dispositivos médicos flexìveis emissores de raio x BR9907800A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7418198P 1998-02-10 1998-02-10
PCT/US1999/002788 WO1999039765A2 (en) 1998-02-10 1999-02-09 Soft x-ray emitting medical devices

Publications (1)

Publication Number Publication Date
BR9907800A true BR9907800A (pt) 2001-01-09

Family

ID=22118169

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9907800-7A BR9907800A (pt) 1998-02-10 1999-02-09 Dispositivos médicos flexìveis emissores de raio x

Country Status (7)

Country Link
US (1) US6183409B1 (pt)
EP (1) EP1054695A2 (pt)
JP (1) JP2002502638A (pt)
AU (1) AU2867499A (pt)
BR (1) BR9907800A (pt)
CA (1) CA2319029A1 (pt)
WO (1) WO1999039765A2 (pt)

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US8458879B2 (en) 2001-07-03 2013-06-11 Advanced Bio Prosthetic Surfaces, Ltd., A Wholly Owned Subsidiary Of Palmaz Scientific, Inc. Method of fabricating an implantable medical device
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US20030077200A1 (en) * 2000-07-07 2003-04-24 Craig Charles H. Enhanced radiopaque alloy stent
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US7976648B1 (en) 2000-11-02 2011-07-12 Abbott Cardiovascular Systems Inc. Heat treatment for cold worked nitinol to impart a shape setting capability without eventually developing stress-induced martensite
US20060086440A1 (en) * 2000-12-27 2006-04-27 Boylan John F Nitinol alloy design for improved mechanical stability and broader superelastic operating window
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Also Published As

Publication number Publication date
JP2002502638A (ja) 2002-01-29
CA2319029A1 (en) 1999-08-12
WO1999039765A2 (en) 1999-08-12
EP1054695A2 (en) 2000-11-29
US6183409B1 (en) 2001-02-06
AU2867499A (en) 1999-08-23
WO1999039765A3 (en) 1999-09-30

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired