Surgery – Truss – Pad
Patent
1988-05-09
1989-09-26
Jaworski, Francis
Surgery
Truss
Pad
73633, A61B 800
Patent
active
048692573
ABSTRACT:
An improved ultrasonic mechanical sector scanning transducer assembly is disclosed. An ultrasonic transducer is disposed for movement within a generally tubular housing. A drive element extends longitudinally within the housing and is coupled for transmitting motion to the transducer. Power means produces oscillatory rotative movement of the drive element and transducer. A diaphragm seal, comprising a resilient tubular membrane, provides a liquid tight seal between longitudinally displaced interior sections of the housing. The tubular membrane has one relatively narrow end and flares along its length to a wider opposite end. The narrow end is bonded about the drive element. The wider end is affixed about the periphery of the housing. A coaxial cable is coupled to the transducer and extends to the exterior of the housing. The cable is wrapped within a spiral groove extending about the outer surface of a spool or reel mounted for movement in unison with the transducer.
REFERENCES:
patent: 4081206 (1978-03-01), Lee
patent: 4426886 (1984-01-01), Finsterwald et al.
patent: 4515017 (1985-05-01), McConaghy
patent: 4517985 (1985-05-01), Teslawski et al.
patent: 4530362 (1985-07-01), Hetz
patent: 4649925 (1987-03-01), Dow et al.
Adams Darwin P.
Dockendorff James
Dutko Peter J.
Molnar Arpad
Quedens Phillipp J.
Jaworski Francis
Picker International Inc.
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