A catheter system integrating ultrasound imaging and atherectomy
A technology of ultrasonic imaging and atherectomy, which is applied in ultrasonic/sonic/infrasonic Permian technology, ultrasonic/sonic/infrasonic image/data processing, ultrasonic/sonic/infrasonic diagnosis, etc. Determine the exact depth of blood vessels and other issues to achieve the effect of safe resection
Active Publication Date: 2022-03-08
HARBIN MEDICAL UNIVERSITY +1
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Problems solved by technology
The imaging depth of the above schemes is limited, and the accurate depth of blood vessels may not be determined in narrow lesion areas
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[0027] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention.
[0028] Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0029] The embodiments and directional words described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.
[0030] In a broad embod...
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The present invention provides a catheter system integrating ultrasonic imaging and intracavitary atherectomy, which includes a long and thin catheter, the left and right ends of the catheter are the proximal end of the catheter and the distal end of the catheter respectively, and the proximal end of the catheter has The first central axis of the catheter, the lumen of the catheter is provided with a drive shaft extending from the proximal end of the catheter to the distal end of the catheter, the distal end of the drive shaft is connected with a rotary cutter, and the rotary cutter is driven by rotating the drive shaft at the proximal end of the catheter. The rotation of the knife completes the rotary atherectomy of intracavitary plaque; the proximal end of the rotary knife is fixed with an ultrasonic probe, and the ultrasonic probe rotates with the rotary knife, and simultaneously emits ultrasound and collects echoes, thereby completing ultrasound imaging and Auxiliary atherectomy. The present invention fixes an ultrasonic probe at the proximal end of the rotary cutter, and the imaging of the ultrasonic probe can provide image guidance for the rotary angiotomy, so that the operator can safely remove the lesion in the blood vessel.
Description
technical field [0001] The invention relates to intravascular imaging and treatment of vascular stenosis, in particular to a catheter system integrating ultrasonic imaging and laser ablation. Background technique [0002] Peripheral arterial disease can cause blockage of peripheral arteries, usually caused by atherosclerosis of the blood vessels, which leads to reduced blood flow and subsequent symptoms of arterial insufficiency. In percutaneous interventional therapy, a balloon of corresponding size is usually sent to the stenotic segment along the guide wire, and expanded with appropriate pressure and time according to the characteristics of the lesion, so as to relieve the arterial stenosis. Traditional treatments include angioplasty and stent implantation. Atherectomy is an intervention-assisted treatment technique, including atherectomy, atherectomy, orbital atherectomy, and laser ablation. These treatments are minimally invasive procedures, usually requiring a vascul...
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IPC IPC(8): A61B17/3207A61B8/08
CPCA61B17/320758A61B8/0891A61B8/4245A61B2090/378A61B2090/3782A61B2017/320741
Inventor 于波贾海波
Owner HARBIN MEDICAL UNIVERSITY