Method of transmitting ultrasonic impulses to surface using tran

Details Method of transmitting ultrasonic impulses to surface using tran Method of transmitting ultrasonic impulses to surface using tran

1974-11-15

1977-01-11

Lovering, Richard D.

Acoustics

Miscellaneous

73 715US, 128 2V, 128 206E, 128 24A, 128417, 128419D, 128419S, 181402, 252316, 252500, 252518, G10K 1100

Patent

active

040022218

ABSTRACT:
Gel compositions are disclosed containing a primary thickening agent (e.g. carboxy polymethylene polymer) combined with small but effective amounts of an auxiliary hydroxy-containing thickener, e.g. an hydroxy alkyl cellulose polymer. The gel is particularly suitable for use with transducers wherein the gel is introduced between a transducer element (for example, an electrode) and skin or surface. The gel compositions are advantageous in that they do not irritate the skin, do not corrode the transducer element, are slow to dry and do not substantially leak out from the area of contact. The process of using the gel is also included.

REFERENCES:
patent: 3134720 (1964-05-01), Green et al.
patent: 3427382 (1969-02-01), Haefele
patent: 3499844 (1970-03-01), Kibbel, Jr. et al.
patent: 3567657 (1971-03-01), Lichtenstein
patent: 3826127 (1974-07-01), Molina

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