Title:
経血管・超音波・血行動態評価用カテーテル装置
Document Type and Number:
Japanese Patent JP3740550
Kind Code:
B2
Abstract:
An interventional catheter apparatus is disclosed. The catheter comprises an elongated body that has a longitudinal axis and a substantially cylindrical side that extends between a proximal end of the body and a distal end of the body. The body is of a size and flexibility so that its distal end can be guided through the vasculature of a subject and into an internal, fluid filled cavity. A linear phased array ultrasonic transducer (30) is mounted on the cylindrical side of the body near the distal end, and the ultrasonic transducer has transducer elements for transmitting ultrasonic signals and simultaneously receiving resultant ultrasound information, suitable for producing an image of the internal cavity in a field of view near the distal end of the elongated body and for simultaneously measuring flow rates in the field of view. An electrical conductor disposed in the catheter body is connected to the ultrasonic transducer and extends along the length of the catheter body to its proximal end for connection to a medical system.
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Inventors:
Seward, James Bee
Tajik, Abdul Jamil
Tajik, Abdul Jamil
Application Number:
JP50879593A
Publication Date:
February 01, 2006
Filing Date:
November 06, 1992
Export Citation:
Assignee:
Mayo Foundation for Medical Education and Research
International Classes:
A61B8/06; A61B8/12; A61B17/00; A61B17/22; A61B17/32; A61B17/34; A61B10/00; A61B10/04; A61B18/14; A61B19/00; A61M1/00
Domestic Patent References:
| JP3151943A | ||||
| JP438941A | ||||
| JP62258676A | ||||
| JP2177965A |
Foreign References:
| WO1991004707A1 |
Other References:
N. Bom, et al,Early and recent intraluminal ultrasound devices,International Journal of Cardiac Imaging,1989, Vol.4,pp79-88
Attorney, Agent or Firm:
Kunihiko Ohashi