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Wearable non-invasive device and method for enhancing lower extremity venous return in a subject

A venous reflux, subject technology, applied in electrotherapy, therapy, artificial respiration, etc., can solve the problem of few deep venous reflux treatment options and so on

Active Publication Date: 2022-05-13
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 device and method for enhancing lower extremity venous return in a subject
  • Wearable non-invasive device and method for enhancing lower extremity venous return in a subject
  • Wearable non-invasive device and method for enhancing lower extremity venous return in 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 device for enhancing venous return in a subject's lower extremities may be provided. The apparatus may include a monitoring device configured to determine a venous state of the subject, such as a photoplethysmography (PPG) sensor. The apparatus may further include: a neuromuscular electrical stimulation (NMES) device configured to generate electrical stimulation in response to the determined venous state, and to simultaneously stimulate the subject's triceps calf and deep posterior region with the generated electrical stimulation Calf muscles to enhance venous return from the lower extremities. In an alternative embodiment, the electrical stimulation may retrogradely target the subject's triceps calf and deep posterior calf muscles at the subject's tibial nerve.

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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Patent Type & Authority Patents(China)
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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