Transducer assembly for an echoscope
View Patent ↗The present invention relates to a transducer assembly ( 1 ) for an echoscope, comprising a first row of ultrasonic transducers ( 2 ) and a second row of ultrasonic transducers ( 3 ), said transducer assembly ( 1 ) combining the advantages of a linear transducer and of transducers with various rows of transducers which are arranged at an angle with respect to one another, due to the fact that the first row of ultrasonic transducers ( 2 ) forms part of a first transducer element ( 4 ), due to the fact that the second row of ultrasonic transducers ( 3 ) forms part of a second transducer element ( 5 ) and due to the fact that the first transducer element ( 4 ) and the second transducer element ( 5 ) are detachably connectable to one another in at least two positions to form a composite transducer element ( 6 ).
1. A transducer assembly for an echoscope, comprising:
a first row of ultrasonic transducers and a second row of ultrasonic transducers, wherein:
the first row of ultrasonic transducers forms part of a first transducer element,
the second row of ultrasonic transducers forms part of a second transducer element,
the first transducer element and the second transducer element are detachably connectable to one another in at least two positions to form a composite transducer element,
when the first transducer element and the second transducer element are detachably connected in a first position, the first row of ultrasonic transducers is arranged substantially in line with the second row of ultrasonic transducers, and
when the first transducer element and the second transducer element are detachably connected in a second position, the first row of ultrasonic transducers is arranged at an angle with respect to the second row of ultrasonic transducers.
2. The transducer assembly according to claim 1 , wherein said angle is substantially 90 degrees.
3. The transducer assembly according to claim 2 , wherein the first row of ultrasonic transducers and the second row of ultrasonic transducers are arranged in a T-shape in the second position.
4. The transducer assembly according to claim 1 , wherein:
the first row of ultrasonic transducers is configured to transmit first ultrasonic rays into a body in a first direction and to receive a reflection of said first ultrasonic rays, and
the second row of ultrasonic transducers is configured to transmit second ultrasonic rays into the body in a second direction and to receive a reflection of said second ultrasonic rays.
5. The transducer assembly according to claim 1 , wherein the first row of ultrasonic transducers is substantially as long as the second row of ultrasonic transducers.
6. The transducer assembly according to claim 1 , wherein the transducer assembly comprises a third row of ultrasonic transducers which forms part of a third transducer element, the third transducer element being configured to be detachably connectable to the first transducer element or to the second transducer element.
7. The transducer assembly according to claim 6 , wherein the third transducer element is detachably connectable to the first transducer element or to the second transducer element in at least two positions.
8. The transducer assembly according to claim 7 , wherein:
when the first transducer element, the second transducer element, and the third transducer element are detachably connected in a first position, the first row of ultrasonic transducers, the second row of ultrasonic transducers, and the third row of ultrasonic transducers are arranged substantially in line with each other,
when the first row of ultrasonic transducers, the second row of ultrasonic transducers, and the third row of ultrasonic transducers are detachably connected in a second position, the first row of ultrasonic transducers, the second row of ultrasonic transducers, and the third row of ultrasonic transducers are arranged substantially in a T shape,
when the first row of ultrasonic transducers, the second row of ultrasonic transducers, and the third row of ultrasonic transducers are detachably connected in a third position, the first row of ultrasonic transducers, the second row of ultrasonic transducers, and the third row of ultrasonic transducers are arranged substantially in an H shape.
9. The transducer assembly according to claim 1 , wherein at least one of said first and second rows of ultrasonic transducers is of the convex type.
10. The transducer assembly according to claim 1 , wherein said first and second transducer elements comprise connecting means for detachably connecting said first and second transducer elements.
11. The transducer assembly according to claim 1 , wherein said first and second transducer elements are detachably connectable to one another by means of a sliding connection.
12. The transducer assembly according to claim 1 , wherein:
the first transducer element comprises first sliding elements arranged on an end side of the first transducer element, and
the second transducer element comprises second sliding elements arranged on a longitudinal side of the second transducer element and third sliding elements arranged on an end side of the second transducer element, such that the first transducer element, in the first position, is connectable to the second sliding elements on the end side of the second transducer element by a sliding connection using the first sliding elements, and the first transducer element, in the second position, is connectable to the third sliding elements on the longitudinal side of the second transducer element by a sliding connection using the first sliding elements.
13. The transducer assembly according to claim 12 , wherein the sliding connection may be achieved by sliding the first sliding elements across the second or third sliding elements.
14. The transducer assembly according to claim 12 , wherein said first and second transducer elements are detachably connectable to one another by means of a click-fit connection.
15. The transducer assembly according to claim 14 , wherein:
the first sliding elements are provided with first click-fit means,
the second sliding elements are provided with second click-fit means,
the third sliding elements are provided with third click-fit means, and
the click-fit connection is achieved by click-fitting the first click-fit means and the second click-fit means or by click-fitting the first click-fit means and the third click-fit means.
16. The transducer assembly according to claim 15 , wherein the click-fit connection is achieved at the end of sliding movement between the first sliding elements and the second sliding elements or between the first sliding elements and the third sliding elements.
17. The transducer assembly according to claim 1 , wherein said first and second transducer elements comprise positioning elements for positioning the first and second transducer elements in various positions with respect to one another.
18. The transducer assembly according to claim 1 , wherein said first and second transducer elements are detachably connectable to one another by means of a flexible connection, such that the first and second transducer elements are configured to be flexibly displaced with respect to one another when connected.
19. An endoscope comprising a transducer assembly according to claim 1 .
20. The transducer assembly according to claim 1 , wherein when the first transducer element and the second transducer element are detachably connected in the first position, the first row of ultrasonic transducers extends along the same longitudinal axis as the second row of ultrasonic transducers.
21. The transducer assembly according to claim 4 , wherein said first direction and said second direction intersect with one another in the second position.