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Ultrasonic wave saccule for cardiovascular system lithotripsy and saccule duct system

A balloon catheter and ultrasonic technology, applied in the field of medical devices, can solve the problems of uneven impact of shock wave lithotripsy, difficult control of drug release from drug-loaded balloons, and danger of electric leakage, etc., to prevent disintegration, accelerate disintegration, select Wide range of effects

Pending Publication Date: 2019-12-31
丁奥利弗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, in order to overcome the problem of uneven impact and the risk of electric leakage in the field of cardiovascular lithotripsy in the prior art, and at the same time, the drug release of the drug-loaded balloon is not easy to control. Ultrasound Balloon and Balloon Catheter System for Cardiovascular Lithotripsy with Reduced Drug Loss and Quick Release of Drugs After the Balloon is in Place

Method used

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  • Ultrasonic wave saccule for cardiovascular system lithotripsy and saccule duct system
  • Ultrasonic wave saccule for cardiovascular system lithotripsy and saccule duct system
  • Ultrasonic wave saccule for cardiovascular system lithotripsy and saccule duct system

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Embodiment 1

[0041] figure 1 It shows an ultrasonic balloon for cardiovascular lithotripsy provided by the present invention, comprising: a balloon treatment end 3, provided with an ultrasonic receiver 5 and several single-crystal ultrasonic transducers 4, the single-crystal ultrasonic transducer 4 includes a vibrating piece 10, a ceramic crystal 9 and a housing, the ceramic crystal 9 is fixedly connected to the housing, the vibrating piece 10 is in contact with the ceramic crystal 9, each of the single crystal ultrasonic transducers 4 along the The axial direction of the treatment end 3 of the balloon is arranged in a circular shape, the single crystal ultrasonic transducer 4 is connected to the ultrasonic generator 1 and is powered by the ultrasonic generator 1 to generate ultrasonic waves; the drug coating layer 14 is arranged on the The surface of the treatment end 3 of the balloon, the drug coating layer 14 includes a treatment drug layer and a protective drug layer arranged outside t...

Embodiment 2

[0044] figure 2 It shows an ultrasonic balloon catheter system for cardiovascular lithotripsy provided by the present invention, comprising: an ultrasonic generator 1; a catheter body 2, one end of which is connected to the ultrasonic generator 1; a balloon treatment end 3, Located at the end of the catheter body 2 away from the ultrasonic generator 1, such as figure 1 As shown, several single-crystal ultrasonic transducers 4 and ultrasonic receivers 5 are arranged in the treatment end 3 of the balloon, and a drug coating layer 14 is provided on the surface of the treatment end 3 of the balloon, and the drug coating layer 14 includes therapeutic drugs layer and a protective drug layer arranged outside the therapeutic drug layer, the therapeutic drug layer is attached to the surface of the balloon therapeutic end 3 when the balloon therapeutic end 3 is expanded, and the protective drug layer is placed on the The treatment end 3 of the balloon is attached to the surface of the...

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Abstract

The invention provides an ultrasonic wave saccule for cardiovascular system lithotripsy and a saccule duct system. The ultrasonic wave saccule comprises a saccule treatment end and a medicine applyinglayer, wherein the saccule treatment end is provided with an ultrasonic wave receiver and a plurality of monocrystal ultrasonic transducers; the monocrystal ultrasonic transducers are connected withthe ultrasonic generator and can produce ultrasonic waves through energy supplying of the ultrasonic generator; and the medicine applying layer is arranged on the surface of the saccule treatment end.According to the ultrasonic wave saccule disclosed by the invention, the ultrasonic generator is arranged in the saccule; under the impact of the ultrasonic waves, the disintegration of a medicine loading coating can be accelerated, so that the selection range of a carrier of the ultrasonic wave saccule can be wide, and even the carrier which is not liable to disintegrate is selected, the releasing of the medicine can also be completed in a short time.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an ultrasonic balloon and a balloon catheter system for cardiovascular lithotripsy. Background technique [0002] With the aggravation of population aging and the influence of environment, diet, living habits and other factors, the incidence of vascular calcification and / or valve calcification is increasing year by year. When vascular calcification needs to be opened or a film formed by slight calcification needs to be repaired, the conventional method is to pre-expand with an inflatable balloon. This usually requires a lot of pressure, with the internal pressure of the inflated balloon gradually expanding until the pressure inside the balloon ruptures or bursts the calcified lesion, possibly causing damage to the blood vessel. [0003] The foreign SHOCKWAVE MEDICAL company applies the electrohydraulic lithotripsy technology in angioplasty or valvular calcification. Its...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/22
CPCA61B17/2202A61B2017/22027A61B2017/22048A61B2017/22021A61B2017/22062A61B2017/22065A61B2017/00017A61B2017/22025A61B2017/22051A61B2017/22098A61B2090/064
Inventor 丁·奥利弗
Owner 丁奥利弗
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