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Wearable non-invasive apparatus for and method of enhancing lower limbs venous return of a subject

A venous return, non-invasive technology, applied in the direction of electrotherapy, artificial respiration, sensors, etc., can solve the problem of few deep venous reflux treatment options and so on

Active Publication Date: 2018-11-23
AGENCY FOR SCI TECH & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Superficial reflux is currently adequately addressed by ablation of superficial veins, but treatment options for deep venous reflux remain few

Method used

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  • Wearable non-invasive apparatus for and method of enhancing lower limbs venous return of a subject
  • Wearable non-invasive apparatus for and method of enhancing lower limbs venous return of a subject
  • Wearable non-invasive apparatus for and method of enhancing lower limbs venous return of a subject

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Embodiment Construction

[0030] The following detailed description refers to the accompanying drawings, which show, by way of illustration, specific details and embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. Other embodiments may be utilized and structural and logical changes may be made without departing from the scope of the present invention. The various embodiments are not necessarily mutually exclusive, as some embodiments can be combined with one or more other embodiments to form new embodiments.

[0031] Embodiments described in the context of one of the methods or devices are equally valid for the other method or device. Similarly, an embodiment described in the context of a method is equally valid for an apparatus and vice versa.

[0032] Features described in the context of an embodiment may correspondingly apply to the same or similar features in other embodiments. Eve...

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Abstract

In various embodiments, a wearable non -invasive apparatus for enhancing lower limb venous return of a subject may be provided. The apparatus may include a monitoring device configured to determine avenous state of a subject such as a photoplethysmography (PPG) sensor. The apparatus may also include a neuromuscular electrical stimulation (NMES) device configured to generate an electrical stimulusin response to the determinedvenous state and concurrently stimulate the triceps surae and the deep posterior calf muscle of the subject with the generated electrical stimulus to enhance lower limb venous return. In an alternative embodiment, electrical stimulation can be at the tibial nerve of the subject to retrograde target the triceps surae and the deep posterior calf muscle of the subject.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Singapore Application No. 10201509867X filed on 1 December 2015, the contents of which are hereby incorporated by reference in their entirety for all purposes. technical field [0003] Various aspects of the present disclosure relate to wearable non-invasive devices for enhancing venous return in a subject's lower extremities. Various aspects of the present disclosure relate to methods of enhancing venous return in a subject. Background technique [0004] Chronic venous insufficiency (CVI) of the lower extremities is one of the most common disorders in developed countries worldwide, with varicose veins affecting more than 25 million adults in the United States and more than 6 million with advanced venous disease. The prevalence rate of male and female is about 1.5 to 3.5. CVI is the cause of ulcers in 60% to 80% of patients with chronic leg ulcers. Venous leg ulcers (also known...

Claims

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Application Information

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IPC IPC(8): A61N1/36A61N1/04A61B5/00
CPCA61B5/6828A61B5/02007A61B5/0261A61B5/1118A61B5/4836A61N1/0484A61N1/0492A61N1/36003A61B2560/0412A61N1/0452A61N1/36034A61N1/36031A61B5/02416A61B5/1116A61B5/112A61B5/14542A61B5/4824
Inventor 黄煦雯莫文龙简恩慈朱家敏
Owner AGENCY FOR SCI TECH & RES
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