Device for the determination and the automatic real time computation of the parameters of man's stability of stance

• US 3,906,931 A
• Filed: 06/07/1973
• Issued: 09/23/1975
• Est. Priority Date: 06/07/1973
• Status: Expired due to Term

• Current Assignee: Yuriy V. Terekhov
• Original Assignee: Yuriy V. Terekhov
• Inventors: Terekhov, Yuriy V.
• Primary Examiner(s): Howell, Kyle L.
• Application Number:
  US05/368,033
• Time in Patent Office: 838 Days
• Field of Search: 128/2S,2N,2.5B,DIG.29 73/141A,65,172,432 177/211
• US Class Current: 600/595
• CPC Class Codes: A61B 5/1036 Measuring load distribution, e.g. podologic studies
• CPC Class Codes: G01G 19/44 for weighing persons
• CPC Class Codes: G01G 3/1406 combined with special measuring circuits

Abstract

In combination with a platform on which a man can stand, and which is supported at spaced positions in resilient members to which strain gauges are affixed, an electronic system is provided for determining real time stability of stance parameters in terms of total amplitude of the man'"'"''"'"'s physiologic gravicenter shifts.

Claims

1. A system for determining a man'"'"''"'"'s real-time stability of stance parameters, said system comprising:

a. upper platform means disposed substantially along an upper plane for supporting said man;

b. lower base means disposed substantially along a lower plane below said upper platform means;

c. at least three rings disposed in contact with said platform means and said base means with their axes generally parallel to said upper plane and said lower plane;

d. lower connecting means for anchoring lower peripheral portions of said rings to said base means;

e. upper connecting means for anchoring upper periperal portions of said rings to said platform means;

f. each of said lower connecting means includes a rod having opposed extremity portions and a medial portion and each of said upper connecting means includes a rod having opposed extremity portions of said rod of said lower connecting means being affixed to said lower base means, said medial portion of said rod of said lower connecting means bearing against a lower portion of one of said rings, said opposed extremity portions of said rod of said upper connecting means being affixed to said upper platform means, said medial portion of said rod of said upper connecting means bearing against an upper portion of said one of said rings, the axes of said rod of said upper connecting means, said rod of said lower connecting means and said one of said rings being parallel to each other;

g. at least three electrical strain gauges, at least one each of said strain gauges being operatively connected to an intermediate portion of at least one each of said rings; and

h. at least one Wheatstone bridge network incorporating said strain gauges for producing electrical signals representing said parameters.

2. The system of claim 1 wherein a plurality of said strain gauges are connected into a first Wheatstone bridge network for generating signals representing X-axis information and a plurality of said strain gauges are connected into a second Wheatstone bridge network for generating signals representing Y-axis information.

3. The system of claim 2 wherein said rings are four in number and said strain gauges are eight in number, two each of said strain gauges being affixed to intermediate opposed portions of one each of said rings, said platform means being substantially rectangular, said rings being located at the four corners of said platform means.