Ultrasound probe maintaining an operable pressure in a probe flu

Details Ultrasound probe maintaining an operable pressure in a probe flu Ultrasound probe maintaining an operable pressure in a probe flu

1998-08-21

2000-10-03

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

A61B 814

Patent

active

06126606&

ABSTRACT:
The present invention is directed to an apparatus for the prevention of foreign matter invasion into a fluid chamber of a probe. The apparatus comprises a tube coupled to a fluid chamber, wherein the tube has a first end and a second end. The first tube end is maintained in open fluid communication with the fluid chamber. The second tube end is maintained in open communication with atmospheric pressure. The tube is configured to maintain an operable pressure within the fluid chamber via capillary forces during variant pressure changes within the fluid chamber.

REFERENCES:
patent: 4784148 (1988-11-01), Dow et al.
patent: 5049130 (1991-09-01), Powell
patent: 5400785 (1995-03-01), Crowley
Schematic Diagram Illustrating a Mechanical Probe Assembly in Cross-Section.
Brochure, "Family of Wideband Transesophageal Annular Array Transducers", Nov. 1998.

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