Endoluminal ultrasound-guided resectoscope
First Claim
1. A surgical instrument having a proximal region and a distal end, comprising:
- an elongated housing extending from said proximal region to said distal end;
a surgical implement within said elongated housing and extending from said elongated housing at said distal end, said surgical implement having an operating theater;
an ultrasound transducer within said elongated housing and extending from said elongated housing at said distal end, said ultrasound transducer comprising;
an ultrasound transmitter extending beyond said distal end for transmitting ultrasound waves into a region extending beyond said operating theater of said surgical implement, andan ultrasound microphone extending beyond said distal end for receiving ultrasound waves reflected from said region extending beyond said operating theater of said surgical implement, said ultrasound transducer generating a signal output responsive to said ultrasound microphone;
anda display to visually display said region extending beyond said operating theater of said surgical implement based on said signal output of said ultrasound microphone.
1 Assignment
0 Petitions
Accused Products
Abstract
A surgical implement, such as a surgical electrode, and an ultrasound transducer, both extend through a single elongated insertion member, typically, a catheter. The ultrasound transducer extends from the proximal region of the surgical instrument containing the instrument controls toward the distal end of the catheter from which at least the operative tip of the surgical implement and the ultrasound transducer extend. In one embodiment, the catheter also contains a fiber-optic endoscope, thus allowing visual as well as ultrasound monitoring of the surgical site, before, during and after conduct of the surgical procedures. Means are provided for rotation of the ultrasound transducer to enable generation of a circular tissue reflectivity image transverse to the axis of the ultrasound transducer. Means are also provided for selective longitudinal movement of all elements contained within the catheter. Liquid crystal or other display means are provided to facilitate visual monitoring of the ultrasound and if present the endoscope outputs in real time. In embodiments including an endoscope, an optical eyepiece is provided to facilitate monitoring of its output. An ultrasound medium within the surgical site is provided by fluid inlet and removal means through the catheter.
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Citations
30 Claims
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1. A surgical instrument having a proximal region and a distal end, comprising:
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an elongated housing extending from said proximal region to said distal end; a surgical implement within said elongated housing and extending from said elongated housing at said distal end, said surgical implement having an operating theater; an ultrasound transducer within said elongated housing and extending from said elongated housing at said distal end, said ultrasound transducer comprising; an ultrasound transmitter extending beyond said distal end for transmitting ultrasound waves into a region extending beyond said operating theater of said surgical implement, and an ultrasound microphone extending beyond said distal end for receiving ultrasound waves reflected from said region extending beyond said operating theater of said surgical implement, said ultrasound transducer generating a signal output responsive to said ultrasound microphone; and a display to visually display said region extending beyond said operating theater of said surgical implement based on said signal output of said ultrasound microphone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A surgical instrument having a proximal region and a distal end, comprising:
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an elongated housing extending from said proximal region to said distal end; a surgical implement within said elongated housing and extending from said elongated housing at said distal, said surgical implement having a theater of operation; an ultrasound transducer within said elongated housing and extending from said elongated housing at said distal end, said ultrasound transducer comprising; an ultrasound transmitter extending beyond said distal end for transmitting ultrasound waves into a region extending beyond said theater of operation of said surgical instrument; and an ultrasound microphone extending beyond said distal end for receiving ultrasound waves reflected from said region, said ultrasound transducer generating a signal output responsive to said ultrasound microphone; a first display for visually presenting a display representative of said signal output depicting said region extending beyond said theater of operation of said surgical instrument; an endoscope within said elongated housing, said endoscope having a distal extremity extending from said elongated housing at said distal end, and generating an output comprising reflection of visible light from said region; and a monitor to view said output from said endoscope. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A surgical instrument having a proximal region and a distal end, comprising:
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surgical implement control in said proximal region; a catheter extending from said proximal region to said distal end, the diameter of said catheter at said distal end not exceeding five millimeters; a surgical implement within said catheter and extending from said catheter at said distal end, wherein said surgical implement control selectively activates said surgical implement within a theater of operation; an ultrasound transducer within said catheter and extending from said catheter at said distal end, said ultrasound transducer comprising; an ultrasound transmitter extending beyond said distal end for transmitting ultrasound waves into a region, and an ultrasound microphone extending beyond said distal end for receiving ultrasound waves reflected from said region, said ultrasound transducer generating a signal output responsive to said ultrasound microphone; and a display for visually presenting a display representative of said signal output. - View Dependent Claims (29, 30)
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Specification