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Miniaturized ultrasonic transducer

An ultrasonic transducer and acoustic technology, applied in the direction of catheters, surgery, etc., can solve the problems of large space, unusable, large size, etc.

Inactive Publication Date: 2008-05-07
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it has proven to be costly to construct such transducers
Furthermore, such transducers have the disadvantage that due to the complex interconnection of the parts, they require a large space and cannot be used in devices requiring extremely small or miniature ultrasound transducers, such as for examining the esophagus , heart, and other smaller body parts
[0005] Therefore, although such transducers can be used as ultrasound transducers, they cannot be used as transesophageal, endoscopic and intracardiac transducers due to their size

Method used

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  • Miniaturized ultrasonic transducer
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Embodiment Construction

[0027] Referring to the drawings, wherein like reference numerals refer to like or similar elements. FIG. 1 shows a first embodiment of an ultrasound transducer according to the invention, generally designated 10 . Such an ultrasound transducer is small enough to fit within the tip of a standard size transesophageal examination probe represented by line 12, or within another probe housing of similar size or smaller. Previously, it was not possible to miniaturize an ultrasound transducer to fit within the tip of such a device.

[0028] To achieve this miniaturization, transducer 10 includes a thermally conductive body 14 and a flexible circuit 16 that is bent around body 14 . By providing a flexible circuit 16 and coupling the components necessary for the operation of the transducer 10 to the flexible circuit 16, the flexible circuit 16 can be bent into a desired shape to enable it to fit within the tip 12 of the inspection device. The flexible circuit 16 is a laminate that i...

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Abstract

Ultrasonic transducers having a reduced size in comparison with prior art ultrasonic transducers and including a thermally-conductive body, a flexible circuit bent at least partially around the body, an acoustic assembly arranged on the flexible circuit and electronic components for controlling the acoustic assembly to transmit and receive ultrasonic waves. Signal transmission lines, such as coax wires, are coupled to the flexible circuit such that the electronic components, the acoustic assembly and the signal transmission lines are connected in a circuit defined in part by the flexible circuit. By bending the flexible circuit with the acoustic assembly, and optionally the electronic components, arranged thereon about the body, they are positioned in a vertical configuration which allows for a compact transducer which has a small, even miniature size in comparison to prior art ultrasonic transducers.

Description

[0001] This application is a divisional application of a patent application with the application number 200380105987.3, the application date being November 24, 2003, and the title "Miniature Ultrasonic Transducer". technical field [0002] The present invention generally relates to ultrasound transducers having sufficiently small dimensions to enable their use in small medical devices, especially in transesophageal, laproscopic and intracardiac examination devices In particular, it relates to such ultrasonic transducers with acoustic elements mounted on integrated circuits. [0003] The invention also relates to a method for manufacturing ultrasound transducers with sufficiently small dimensions to enable their use in medical devices, especially in transesophageal examination devices, endoscopic examination devices and Used in intracardiac examination devices. Background technique [0004] Typical ultrasonic transducers used in medical devices for imaging body parts to gene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/12
CPCA61B8/12
Inventor W·苏多E·古里伊B·萨沃德M·威尔逊S·昌
Owner KONINKLIJKE PHILIPS ELECTRONICS NV
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