| 摘要 |
Ultrasound apparatus for determining whether a female large animal, especially a cow or a mare, is gravid, with an ultrasonic head (1) that has an ultrasound transmitter (7) and receiver (8) at one face (9) and with a housing (4) that accommodates a signal generator (28) and a battery (29) or a connection to an external source of electricity for operating the apparatus, whereby the transmitter-receiver is connected to the signal generator and battery or external-source connection by a cable, characterized in that a resilient annular structure (30) that projects beyond the face (9) of the ultrasonic head (1) and surrounds the transmitter (7) and receiver (8) is attached to the head in the vicinity of its face, and a handle (2 & 3) is connected to the outside of the ultrasonic head.
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