Therapy apparatus for the treatment of pathological tissue with a catheter
First Claim
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1. A therapy apparatus for treating pathological tissue with therapeutic ultrasound, comprising:
- a therapeutic ultrasound source which emits therapeutic ultrasound and including means for focusing said therapeutic ultrasound at pathological tissue to be treated in the body of a subject;
a catheter introducible into the body of said subject, said catheter having a distal end locatable in a region of said pathological tissue, said catheter carrying a pressure sensor at said distal end, said pressure sensor generating an output signal indicative of pressure present at said distal end of said catheter arising due to said therapeutic ultrasound emitted by said therapeutic ultrasound source; and
control means, connected to said pressure sensor and supplied with said output signal of said pressure sensor, for instituting remedial action if a level of said output signal arising due to said therapeutic ultrasound emitted by said therapeutic ultrasound source exceeds a predetermined value.
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Abstract
A therapy apparatus for the treatment of pathological tissue with focused ultrasound waves, has a catheter introducible into the body of a living subject to be treated and having at least one pressure sensor disposed at the region of its distal end. A control unit to which the output signal of the pressure sensor is supplied generates an alarm signal if the level of the output signal of the pressure sensor exceeds a limit value, thereby minimizing the risk of damaging healthy tissue.
92 Citations
11 Claims
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1. A therapy apparatus for treating pathological tissue with therapeutic ultrasound, comprising:
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a therapeutic ultrasound source which emits therapeutic ultrasound and including means for focusing said therapeutic ultrasound at pathological tissue to be treated in the body of a subject; a catheter introducible into the body of said subject, said catheter having a distal end locatable in a region of said pathological tissue, said catheter carrying a pressure sensor at said distal end, said pressure sensor generating an output signal indicative of pressure present at said distal end of said catheter arising due to said therapeutic ultrasound emitted by said therapeutic ultrasound source; and control means, connected to said pressure sensor and supplied with said output signal of said pressure sensor, for instituting remedial action if a level of said output signal arising due to said therapeutic ultrasound emitted by said therapeutic ultrasound source exceeds a predetermined value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A therapy apparatus for treating pathological tissue with focused therapeutic ultrasound, comprising:
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a therapeutic ultrasound source for generating and emitting therapeutic ultrasound; a catheter introducible into the body of said subject, said catheter having a distal end locatable in a region of said pathological tissue, said catheter carrying a pressure sensor at said distal end, said pressure sensor generating an output signal indicative of pressure present at said distal end of said catheter arising due to said therapeutic ultrasound emitted by said therapeutic ultrasound source; and control means, connected to said pressure sensor and supplied with said output signal of said pressure sensor, for instituting remedial action if a level of said output signal arising due to said therapeutic ultrasound emitted by said therapeutic ultrasound source exceeds a predetermined level.
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Specification