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Treatment of ischaemia

A blood vessel and wire technology, applied in medical science, surgery, diagnosis, etc., can solve problems such as passive wire limitation

Pending Publication Date: 2021-11-05
韦尔索诺医疗有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These passive wires do not work as the guidewire is supposed to, or are limited when attempting to traverse near-occlusive or fully occlusive obstructions that may also be significantly calcified

Method used

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  • Treatment of ischaemia
  • Treatment of ischaemia
  • Treatment of ischaemia

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0190] figure 1 Schematic diagram of compact housing unit 2 included. In this configuration, the compact housing unit 2 includes an ultrasonic generator 4 , an ultrasonic transducer 6 and an acoustic horn 8 . The housing unit 2 is connected to an available power source via a power cable 10 .

[0191] figure 1Also shown is an active feed-through wire assembly 12 connectable to the housing unit 2 . The active wire assembly 12 includes a flexible transmission member in the form of a wire 14 .

[0192] The proximal section of the active traverse wire assembly 12 includes an attachment module 16 and a detachment module 18 and provides one or more additional ports 20 . Also shown is the distal section of the active traversing wire assembly 12, including a magnified view of the distal tip 24 of the wire 14. Figure 22 . In this example, the distal tip 24 is bulbous.

[0193] When coupled and activated, the transducer 6 and wire 14 vibrate at the proximal end with sufficient am...

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PUM

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Abstract

An endovascular apparatus for crossing through an obstruction in a blood vessel comprises an elongate endovascular wire and a coupling. The coupling when in use transmits ultrasonic energy along the wire from an ultrasonic energy source to an active tip at a distal end of the wire. The coupling is arranged to couple the source to the wire at any of a plurality of discrete operational positions along the length of the wire for said transmission of ultrasonic energy to the active tip.

Description

Background technique [0001] Ischemia is a lack of blood supply to an organ of the body. In atherosclerotic vessels, ischemia occurs as a result of the vessel being blocked by an obstruction caused by a lesion in the vessel wall, an atherosclerotic plaque, or an emboli arising from another source. Atherosclerotic plaques consist of material whose structure gradually hardens over time. [0002] By partially or completely occluding a blood vessel, the blockage restricts blood flow to tissues distal to the blockage, leading to cell death and rapid deterioration of tissue health. [0003] The preferred modality to treat such blockages is minimally invasive endovascular angioplasty. In these procedures, small diameter therapeutic devices are introduced into the vasculature and navigated through the lumen of veins and arteries to blockages and deployed at the lesion to restore patency. These procedures for revascularizing occlusions in coronary and peripheral arteries in the treat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/22
CPCA61B17/22012A61B2017/00022A61B2017/00469A61B2017/00477A61B2017/22014A61B2017/22038A61B2017/22044A61B2017/22094A61B2090/0807A61B2017/22018A61B2090/3966A61B90/39
Inventor F·多兰H·奥多诺霍
Owner 韦尔索诺医疗有限公司
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