Needle with ultrasonically reflective displacement scale

Details Needle with ultrasonically reflective displacement scale Needle with ultrasonically reflective displacement scale

1981-11-18

1986-04-15

Howell, Kyle L.

Surgery

Truss

Pad

128654, 128660, A61B 1734

Patent

active

045820619

ABSTRACT:
A puncturing device for insertion into the body, which has an ultrasonically coded displacement scale of gaseous inclusions regularly spaced along the length of the device. Owing to the acoustic reflectiveness of the gaseous inclusions, the precise location of the puncturing device can be directly and readily detected by an ultrasound visualization system. The acoustically reflective displacement scale enables the calibration of distances to be made directly from the ultrasound viewing screen. Located at the tip of the puncturing device is a gaseous inclusion which reveals the precise location of the tip of the device in the body.

REFERENCES:
patent: 3556079 (1971-01-01), Omizo
patent: 3687142 (1972-08-01), Leibinzohn
patent: 3792703 (1974-02-01), Moorehead
patent: 4029084 (1977-06-01), Soldner
patent: 4058114 (1977-11-01), Soldner
patent: 4096862 (1978-06-01), DeLuca
patent: 4249539 (1981-02-01), Vilkomerson et al.
patent: 4279252 (1981-07-01), Martin
patent: 4346717 (1982-08-01), Haerten
patent: 4373532 (1983-02-01), Hill et al.

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