Measurement of susceptibility to diabetic foot ulcers

a technology of susceptibility and measurement, applied in the field of measuring susceptibility to diabetic foot ulcers, can solve the problems of increasing the amount of extracellular fluid in the foot, increasing the mechanical stress within the foot, and progressing to tissue death

Inactive Publication Date: 2018-08-09
BRUIN BIOMETRICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These conditions can lead to damage to cellular walls and blood vessels that result in an initial increase the amount of extracellular fluid (ECF).
The neuropathy can cause an increase in the mechanical stresses within the foot during ambulation and standing that, combined with the weakened tissue induced by the diabetes, will progress to tissue death if the stress is not reduced.

Method used

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  • Measurement of susceptibility to diabetic foot ulcers
  • Measurement of susceptibility to diabetic foot ulcers
  • Measurement of susceptibility to diabetic foot ulcers

Examples

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Effect test

example 1

Taking SEM Measurements at Multiple Locations of the Foot

[0137]SEM measurements were taken at the foot using one of three methods below to ensure complete contact of an electrode with the skin of a human patient.

[0138]FIG. 15A illustrates a method used to take SEM measurements starting at the posterior heel using an apparatus according to the present disclosure. First, the forefoot was dorsiflexed such that the toes were pointing towards the shin. Second, a bioimpedance sensor 1520 was positioned at the base of the heel 1530. The electrode was adjusted for full contact with the heel, and multiple SEM measurements were then taken in a straight line towards the toes, including the ball of the foot 1540. The ball of the foot is one of the primary locations of diabetic foot ulcer.

[0139]FIG. 15B illustrates a method used to take SEM measurements starting at the lateral heel using an apparatus according to the present disclosure. First, the toes were pointed away from the body and rotated...

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Abstract

The present disclosure provides apparatuses and methods for measuring capacitance as an indication of susceptibility to the formation of a diabetic foot ulcer.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of priority of U.S. Provisional Application 62 / 454,482 filed Feb. 3, 2017, and U.S. Provisional Application 62 / 521,917 filed Jun. 19, 2017, each of which is herein incorporated by reference in its entirety.FIELD[0002]The present disclosure provides apparatus and methods for assessment of a foot of a patient at risk for development of diabetic foot ulcers.DESCRIPTION OF THE RELATED ART[0003]Diabetic foot ulcers are responsible for more hospitalizations than any other complication of diabetes. Nonenzymatic glycation induced by an elevated level of blood sugar causes ligaments to stiffen and increases cross-linking in collagen. These conditions can lead to damage to cellular walls and blood vessels that result in an initial increase the amount of extracellular fluid (ECF). Peripheral neuropathy causes loss of protective sensation and loss of coordination of muscle groups in the foot and leg. The neuropathy...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B5/00A61F13/06A61B5/053
CPCA61B5/447A61B5/4878A61F13/064A61B5/0531A61B5/445G01R27/2605A61B5/0537A61B5/6829A61B5/01A61B5/18A61B2562/164A61N1/0468A61N1/205A61N1/18
Inventor BURNS, MARTIN F.BARRINGTON, SARAROSS, GRAHAM O.
Owner BRUIN BIOMETRICS
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