Acoustic imaging and doppler catheters and guidewires
First Claim
1. A medical device for making Doppler measurements and imaging within a body fluid conduit using a single transducer, comprising:
- an elongated device body defining a device axis and constructed for positioning a distal end of said device body near a region of interest in said body fluid conduit, and disposed within said device body, an ultrasonic beam-directing assembly constructed to direct a first portion of a given beam of ultrasonic energy from said single transducer in a direction for imaging within said body fluid conduit and to direct a second portion of said given beam of said ultrasonic energy in a different direction for making Doppler measurements within said body fluid conduit.
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Abstract
The invention features an acoustic medical device for making Doppler measurements and imaging within a body fluid conduit using a single-transducer. The device has an elongated device body, defining a device axis, constructed for positioning a distal end of the device body near a region of interest in the body fluid conduit. Disposed within the device body is an ultrasonic beam directing assembly that is constructed to direct a portion of ultrasonic energy from a single transducer in a direction for imaging within the body fluid conduit and to direct another portion of the ultrasonic energy in a direction for making Doppler measurements within the body fluid conduit.
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Citations
25 Claims
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1. A medical device for making Doppler measurements and imaging within a body fluid conduit using a single transducer, comprising:
an elongated device body defining a device axis and constructed for positioning a distal end of said device body near a region of interest in said body fluid conduit, and disposed within said device body, an ultrasonic beam-directing assembly constructed to direct a first portion of a given beam of ultrasonic energy from said single transducer in a direction for imaging within said body fluid conduit and to direct a second portion of said given beam of said ultrasonic energy in a different direction for making Doppler measurements within said body fluid conduit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for making Doppler measurements and imaging within a body fluid conduit, said method comprising the steps of:
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introducing a medical device into a patient'"'"'s body fluid conduit, said medical device including an ultrasonic transducer and an ultrasonic beam-directing assembly near the distal end of said device; positioning said distal end near a region of interest within said body fluid conduit; directing ultrasonic energy from said transducer to said beam-directing assembly for directing a first portion of said energy in a first direction for imaging within said body fluid conduit and for simultaneously directing a second portion of said energy in a second, different direction for making Doppler measurements within said body fluid conduit; and receiving the reflected energy back containing the image and flow information. - View Dependent Claims (25)
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Specification