Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Patent
1998-12-07
2000-11-21
Lateef, Marvin M.
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
600437, A61B 800
Patent
active
061495999
ABSTRACT:
The preferred embodiments include a method for manufacturing an end portion surrounding a catheter-mounted phased-array ultrasound transducer. The material used for the end portion can be altered to give the end portion focusing, defocusing, or non-focusing characteristics. In one preferred embodiment, a thermoplastic material is injection molded or insert molded around a phased-array ultrasound transducer carried at a distal end of a catheter. In another preferred embodiment, a thermoset material is used to form the end portion using a casting or transfer molding technique. In yet another preferred embodiment, the phased-array ultrasound transducer is placed into a pre-formed end portion. The pre-formed end portion can be adhesively-attached to the phased-array transducer and catheter. If the pre-formed end portion is made from a thermoplastic material, the end portion can be thermally melted to attach the end portion to the phased-array transducer and catheter.
REFERENCES:
patent: 4191193 (1980-03-01), Seo
patent: 4809704 (1989-03-01), Sogawa et al.
patent: 5865801 (1999-02-01), Houser
Curley Michael G.
Eaton John W.
Schlesinger Randall L.
Acuson Corporation
Lateef Marvin M.
Patel Maulin
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