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1. (WO2000009178) MEDICAL DEVICES WITH ECHOGENIC COATINGS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2000/009178 International Application No.: PCT/US1999/017260
Publication Date: 24.02.2000 International Filing Date: 29.07.1999
Chapter 2 Demand Filed: 04.02.2000
IPC:
A61B 8/08 (2006.01) ,A61B 19/00 (2006.01) ,A61L 31/14 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
8
Diagnosis using ultrasonic, sonic or infrasonic waves
08
Detecting organic movements or changes, e.g. tumours, cysts, swellings
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
19
Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B1/-A61B18/149
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
31
Materials for other surgical articles
14
Materials characterised by their function or physical properties
Applicants:
MEDTRONIC, INC. [US/US]; 7000 Central Avenue N.E. Minneapolis, MN 55432, US
Inventors:
SARKIS, Randall, G.; US
HALVERSON, Eileen, L.; US
TAPSAK, Mark, A.; US
Agent:
DUTHLER, Reed, A. ; Medtronic, Inc. MS301 7000 Central Avenue N.E. Minneapolis, MN 55432, US
Priority Data:
09/135,46817.08.1998US
Title (EN) MEDICAL DEVICES WITH ECHOGENIC COATINGS
(FR) DISPOSITIFS MEDICAUX RECOUVERTS DE COUCHES ECHOGENES
Abstract:
(EN) A medical device for insertion into human body having an echogenic portion of enhanced visibility in an ultrasound scan. The echogenic portion includes an echogenic material comprising a plastic impregnated with sonically reflective particles, the particles having an average size of less than 500 nanometers and formed of a substance having a specific gravity of 5 or greater. Preferably the particles have an average size of less than 100 nanometers and the sonically reflective particles are 5 % to 40 % of the echogenic material.
(FR) L'invention concerne un dispositif médical à introduire dans le corps humain, qui possède une partie échogène à visibilité améliorée lors d'une échographie. La partie échogène comporte une matière échogène se composant d'une matière plastique imprégnée de particules réfléchissant les ultrasons, lesdites particules ayant une taille moyenne inférieure à 500 nanomètres et étant formées de substance d'une densité supérieure ou égale à 5. Ces particules ont, de préférence, une taille moyenne inférieure à 100 nanomètres et les particules réfléchissant les ultrasons se composent de 5 à 40 % de matière échogène.
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Designated States: CA, JP
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: English (EN)
Filing Language: English (EN)