Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1998-09-21
1999-08-17
Manuel, George
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
600104, A61B 800
Patent
active
059386142
ABSTRACT:
A probe head joint construction for an endoscopically ultrasound probe to be introduced into a body cavity through a biopsy channel provided internally of an endoscopic insertion instrument, the ultrasound probe having a bulky ultrasound scanner head at the distal end of an elongated thin flexible cord having a cable sheathed in a soft flexible outer tube for placement in said endoscopic biopsy channel, and the ultrasound scanner head having an ultrasound transducer element housed in an end cap of a larger diameter than the endoscopic biopsy channel. The probe head joint construction according to the present invention essentially includes: a joint member of rigid metallic material extended on the proximal side of the end cap, and being formed in the shape of a hollow stepped cylinder including a front joint portion connected with the end cap and having a diameter substantially equivalent with that of the end cap, and a rear joint portion of a smaller diameter to be connected with the outer tube of the flexible cord by fitting engagement therewith, the rear joint portion being provided with a protuberance on the outer periphery thereof; the outer tube of the flexible cord being fitted on the rear joint portion of the joint member over and across the protuberance and firmly fastened to the rear joint portion by a couple of line wrappings formed therearound on front and rear sides of the protuberance.
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patent: 5596991 (1997-01-01), Tanaka
patent: 5827175 (1998-10-01), Tanaka
Fuji Photo Optical Co., Ltd.
Imam Ali M.
Manuel George
LandOfFree
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