Puncture adaptor, ultrasonic probe for puncture, ultrasonic diagnostic apparatus for puncture, method for detecting angle of puncture needle

Abstract

An ultrasound diagnostic apparatus including an ultrasonic probe transmitting and receiving ultrasound toward and from a subject, a puncture adaptor configured to be fixed to the ultrasonic probe and to hold a puncture needle, wherein the puncture adaptor has moving part movable in relation to the ultrasonic probe with the puncture needle, and a sensor provided at the ultrasonic probe, and configured to detect the position of the moving part. As the puncture needle is moved relative to the probe, the movable part is correspondingly moved relative to the probe, and movement of the movable part, and therefore also of the puncture needle, is detected by the sensor.

1 . An ultrasound diagnostic apparatus comprising: 
 a ultrasonic probe configured to transmit and receive ultrasound toward and from a subject;    a puncture adaptor configured to be fixed at the ultrasonic probe and to hold a puncture needle, the puncture adaptor having a moving part movable toward the ultrasonic probe with the puncture needle; and    a sensor provided at the ultrasonic probe, and configured to detect a position of the moving part.    
     
     
         2 . The ultrasonic apparatus according to  claim 1 , wherein: 
 the puncture adaptor is configured to be removable.    
     
     
         3 . The ultrasonic apparatus according to  claim 1 , further comprising; 
 a read wire provided inside the ultrasonic probe, and configured to deliver a signal from the sensor to outside of the ultrasonic probe.    
     
     
         4 . The ultrasonic apparatus according to  claim 1 , further comprising; 
 a displaying unit configured to display information related to a position of the puncture needle based on the signal from the sensor.    
     
     
         5 . The ultrasonic apparatus according to  claim 1 , wherein the sensor comprises: 
 photo sensors provided along a course of movement of the moving part; and    a detecting unit configured to detect position of the moving part on the basis of a state of detection of the photo sensors.    
     
     
         6 . The ultrasonic apparatus according to  claim 1 , wherein: 
 the moving part has a reflective pattern so that degrees of reflection of at least two of different points of the pattern are different from each other; and    the sensor includes, a photo sensor provided near a course of moving of the moving part, and a detecting unit configured to detect a position of the moving part on the basis of the state of detection of the photo sensor.    
     
     
         7 . The ultrasonic apparatus according to  claim 1 , wherein: 
 the moving part includes a magnetic element; and    the sensor includes,    magneto metric sensors provided along a course of movement of the moving part, and    a detecting unit configured to detect the position of the moving part on the basis of a state of detection of the magneto metric sensors.    
     
     
         8 . The ultrasonic apparatus according to  claim 1 , wherein: 
 the moving part has a magnetic pattern in which at least two of different points of the magnetic pattern are different from each other; and    the sensor includes,    a magneto metric sensor provided near a course of movement of the moving part, and    a detecting unit configured to detect the position of the moving part on the basis of a state of detection of the magneto metric sensor.    
     
     
         9 . The ultrasonic apparatus according to  claim 1 , wherein: 
 the sensor comprises one of an electromagnetic induction sensor, an electro capacitance sensor and an ultrasound sensor.    
     
     
         10 . An ultrasonic probe comprising: 
 a puncture adaptor configured to be fixed to a body of the ultrasonic probe and to hold a puncture needle, said puncture adaptor comprising a moving part movable with the puncture needle; and    a sensor provided at the probe body and configured to detect the position of the moving part.    
     
     
         11 . The ultrasonic probe according to  claim 10 , wherein 
 the puncture adaptor is configured to be removable.    
     
     
         12 . The ultrasonic probe according to  claim 10 , wherein the sensor comprises: 
 photo sensors provided along a course of movement of the moving part; and    a detecting unit configured to detect the position of the moving part on the basis of a state of detection of the photo sensors.    
     
     
         13 . The ultrasonic probe according to  claim 10 , wherein: 
 the moving part has a reflective pattern in which degrees of reflection of at least two of different points of the pattern are different each other; and    the sensor includes,    a photo sensor provided near a course of movement of the moving part, and    a detecting unit configured to detect the position of the moving part on the basis of a state of detection of the photo sensor.    
     
     
         14 . The ultrasonic probe according to  claim 10 , wherein: 
 the moving part includes a magnetic element; and    the sensor includes magneto metric sensors provided along a course of movement of the moving part, and    a detecting unit configured to detect the position of the moving part on the basis of a state of detection of the magneto metric sensors.    
     
     
         15 . The ultrasonic probe according to  claim 10 , wherein: 
 the moving part has a magnetic pattern in which at least two of different points of the magnetic pattern are different from each other; and    the sensor includes,    magneto metric sensor provided near a course of movement of the moving part, and    a detecting unit configured to detect the position of the moving part on the basis of a state of detection of the magneto metric sensor.    
     
     
         16 . The ultrasonic probe according to  claim 10 , wherein: 
 the sensor comprises one of an electromagnetic induction sensor, an electro capacitance sensor and an ultrasound sensor.    
     
     
         17 . A puncture adaptor comprising: 
 a fixing part configured to be fixed to an ultrasonic probe; and    a moving part movable with a puncture needle toward the ultrasonic probe when the moving part is fixed at the ultrasonic prove so that a sensor provided at a probe body can detect the position of the moving part.    
     
     
         18 . A method for detecting an insertion angle of a puncture needle, comprising: 
 detecting position of moving part, which moves with a puncture needle in relation to an ultrasonic probe, by a sensor provided at the ultrasonic probe; and    generating information relating to position of the puncture needle on the basis of detection result of the sensor.