ULTRASONIC PUNCTURE NEEDLE

PROBLEM TO BE SOLVED: To provide an ultrasonic puncture needle in which the position of the distal end of a needle tube can be sharply plotted under an ultrasonic image an a target part can be surely punctured. SOLUTION: In an ultrasonic puncture needle 1 provided with a sheath 2 to be inserted into...

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Bibliographic Details
Main Author SEI TOSHIHIRO
Format Patent
LanguageEnglish
Published 08.07.2003
Edition7
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:PROBLEM TO BE SOLVED: To provide an ultrasonic puncture needle in which the position of the distal end of a needle tube can be sharply plotted under an ultrasonic image an a target part can be surely punctured. SOLUTION: In an ultrasonic puncture needle 1 provided with a sheath 2 to be inserted into the insertion channel of an ultrasonic endoscope to freely move forwards and backwards, an operating part 10 positioned at the proximal end of the sheath 2 in combination with a grasping part and a needle tube 3 to be inserted through the sheath 2 to puncture an intra-celom tissue, a plurality of annular grooves 5, 5... are provided in the zigzag array on the surface of the distal end of the needle tube 3 so that the ultrasonic image on the distal end of the needle tube 3 can be sharply plotted under the ultrasonic image. COPYRIGHT: (C)2003,JPO
Bibliography:Application Number: JP20010398130