System and a method for scoring functional abilities of a patient

• US 9,460,266 B2
• Filed: 02/19/2009
• Issued: 10/04/2016
• Est. Priority Date: 02/21/2008
• Status: Active Grant

• Current Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Einav, Omer, Geva, Dikla, Kerzhner, Marina, Yoely, Doron
• Primary Examiner(s): Dougherty, Sean
• Assistant Examiner(s): CERIONI, DANIEL LEE
• Application Number:
  US12/918,078
• Publication Number:
  US 20110004126A1
• Time in Patent Office: 2,784 Days
• Field of Search: 335/11, 335/12, 600/587, 600/595
• US Class Current: 1/1
• CPC Class Codes: G16H 15/00 ICT specially adapted for medical reports, e.g. generation or transmission thereof
• CPC Class Codes: G16H 20/30 relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
• CPC Class Codes: G16H 50/30 for calculating health indices; for individual health risk assessment

Abstract

A method for scoring one or more functional abilities of a patient that comprises exercising a patient according to an exercising pattern, using at least one sensor for sensing one or more manipulations of the patient during the exercising, and scoring the one or more functional abilities according to the sensed manipulations. The scoring is performed according to a visual rehabilitation evaluation scale for scoring the one or more functional abilities.

Claims

1. A computer-implemented method for computerized scoring at least one functional ability of a patient, comprising:

using at least one computing unit, said computing unit including at least one processor in communication with at least one sensor located on a robotic rehabilitation platform, and with a non-transitory computer readable medium storing program code for implementation by said at least one processor, to perform the following;

a) receiving an output of said at least one sensor configured for measuring an applied force applied by a patient exercising on said robotic rehabilitation platform configured to be manipulated by said patient by moving a mechanism module of said robotic rehabilitation platform according to a predefined exercising pattern defining a trajectory of a limb manipulation, wherein said trajectory extends between at least two points in a space;

b) identifying at least one manipulation of at least one limb of said patient during said predefined exercising pattern by analyzing said received output of said at least one sensor;

c) computing a functional evaluation score for said at least one functional ability according to said at least one identified manipulation, said functional evaluation score computed according to a function based on a plurality of sub-scores including at least one sub-score calculated from said measured applied force, each sub-score defining a functional component of said at least one manipulation of said at least one limb during said at least one trajectory performed by said patient compared to a full performance capability reference value, and said at least one sub-score includes at least one member selected from the group consisting of;

a quality of movement score, an active range of motion score, and passive range of motion score; and

d) converting said computed functional evaluation score to a respective score of a manual rehabilitation evaluation scale using at least one correlation value obtained from a database storing correlation values between functional ability scores and said manual rehabilitation evaluation scale, to generate an objective evaluation of said patient based on said manual rehabilitation evaluation scale;

wherein said manual rehabilitation evaluation scale comprises a member selected from a group consisting of;

an action research arm test (ARAT), a stroke impact scale (SIS), a motor assessment scale (MAS), a wolf motor function test (WMFT), a motor status score for the Upper Extremity (MSS), and a manual function test (MFT).

2. The method of claim 1, further comprising generating a single functional evaluation score according to said plurality of sub-scores.

3. The method of claim 1, further comprising diagnosing said patient with regard to said functional ability according to said manual rehabilitation evaluation scale.

4. The method of claim 1, further comprising using said manual rehabilitation evaluation scale for monitoring a therapy given to said patient with regard to said functional ability.

5. The method of claim 2, wherein said functional evaluation score is a neuromuscular evaluation.

6. The method of claim 1, wherein said computing said functional evaluation score comprises giving a rehabilitation score to said functional ability, said exercising pattern comprising a plurality of rehabilitation exercises.

7. The method of claim 1, wherein said exercising pattern define a member selected from a group consisting of:

a Pinch exercise, a Grip exercise, a force-star (F-Star) exercise, a wrist range of motion (WROM) exercise, a forward thrust (FT) exercise, an elbow extension/flexion (ELB) exercise, a reach waist level (RWL) exercise, a reach shoulder level (RSL) exercise, and a horizontal abduction (HAB) exercise.

8. The method of claim 1, wherein said at least one manipulation comprises a three dimensional (3D) manipulation.

9. The method of claim 1, further comprising repeating a) and b) after said c) with an adjusted exercising pattern and adjusting said functional evaluation score according to said at least one manipulation performed of said repeated b), said exercising pattern being adjusted according to said functional evaluation score.

10. The method of claim 9, wherein said adjusted exercising pattern comprises at least one rehabilitation evaluation exercise for evaluating the progress of said patient with regard to said functional ability.

11. The method of claim 10, wherein said at least one rehabilitation evaluation exercise for evaluating the progress of said patient with regard to said functional ability comprises evaluating a rehabilitation re-evaluation score according to said at least one sensed manipulation.

12. The method of claim 10, wherein said at least one rehabilitation evaluation exercise for evaluating the progress of said patient with regard to said functional ability comprises evaluating a progress of said patient according to said at least one sensed manipulation.

13. The method of claim 9, wherein said adjusting allows the overcoming of at least one of a ceiling effect and a floor effect.

14. The method of claim 9, wherein said at least one functional ability comprises a plurality of abilities, said exercising pattern being adjusted according to scoring at least some of said plurality of abilities according to the score of at least one of the others of said plurality of abilities.

15. The method of claim 1, wherein said functional evaluation score is computed according to medical information pertaining to the patient.

16. The method of claim 15, wherein said medical information is selected from a member of a group consisting of:

a laboratory result, a therapeutic procedure record, a clinical evaluation, age, gender, a medical condition, genetic information, a patient medical record, a metabolism related data, a blood pressure, a sensitivity, an allergy, a population relevance, a treatment, a treatment outcome, an epidemiologic classification, comorbidity, a treatment history.

17. The method of claim 1, wherein at least one of said scored functional ability is scored with a member selected from a group consisting of:

a quality of movement score, active range of motion (ROM) score, resistance score, passive ROM score, a smoothness score, a path efficiency score, a motion direction score, and a resistance to movement score.

18. The method of claim 1, wherein said exercising pattern comprises a member selected from a group consisting of:

applying forces, pushing forces, assisting forces, reminding forces, responding forces, and resisting forces during said at least one manipulation.

19. The method of claim 2, wherein said generating comprises calculating said functional evaluation score according to medical information pertaining to the patient.

20. The method of claim 1, wherein said exercising pattern comprises adjusting said exercising pattern according to said at least one manipulation during said identifying.

21. The method of claim 20, wherein said adjusting is performed according to a member selected from a group consisting of:

the path of said at least one sensed manipulation, the velocity of said at least one sensed manipulation, the force of said at least one sensed manipulation, a compression to at least one previously sensed performance activity.

22. The method of claim 2, further comprising evaluating physiological limitations of the patient according to said functional evaluation score.

23. The method of claim 22, wherein said physiological limitations comprise a limitation selected from a group comprising:

a motor limitation, a cognitive limitation and/or a speech limitation.

29. The method of claim 1, wherein said manual rehabilitation evaluation scale is a visual rehabilitation evaluation scale that is manually evaluated.

30. The method of claim 1, wherein said manual rehabilitation evaluation scale includes evaluation of legs.

31. The method of claim 1, wherein said converting said computed functional evaluation score to a respective score of a manual rehabilitation evaluation scale comprises correlating between sub-scores of said at least one functional ability and a score of said manual rehabilitation evaluation scale.

32. The method of claim 1, wherein said manual rehabilitation evaluation scale comprises at least one subjectively evaluated sub-score.

33. The method of claim 1, further comprising adjusting said exercise pattern based on said respective score based on said manual rehabilitation evaluation scale.

34. The method of claim 1, wherein a sub-score of said plurality of sub-scores comprises a member selected from a group consisting of:

a velocity profile of the identified at least one manipulation, a difference between the predefined exercising pattern and the identified at least one manipulation, a stability of a trajectory of the identified at least one manipulation, and a force applied by the patient during the identified at least one manipulation.

35. The method of claim 1, wherein a sub-score of said plurality of sub-scores comprises a member selected from a group consisting of:

a percentage of time in which the patient has actively trained during said exercising, and a ratio between an active envelope of movement in which the identified at least one manipulation has been measured and a passive envelope of movement that bounds the predefined exercising pattern.

36. The method of claim 1, wherein a sub-score of said plurality of sub-scores comprises a member selected from a group consisting of:

a distance between predefined exercise points and the identified at least one manipulations during a guided mode, a distance between predefined exercise points and the identified at least one manipulations during a guided mode during a free mode, and a percentage of a passive ability to an original envelope.

37. The method of claim 1, wherein said mechanism module is a stick.

38. The method of claim 1, wherein said at least one limb of said patient comprises at least one of hand, arm, and leg.

39. The method of claim 1, wherein said mechanism module of said robotic rehabilitation platform comprises at least one of an articulated arm, and a spherically jointed lever.

24. A system for scoring at least one functional ability of a patient, comprising:

a database configured for hosting at least one predefined exercising pattern, wherein each exercise pattern defines a trajectory of a limb manipulation, wherein said trajectory extends between at least two points in a space, and for storing correlation values between functional ability scores and at least one manual rehabilitation evaluation scale;

at least one sensor configured for measuring an applied force by a patient moving a mechanism module of a robotic rehabilitation platform configured to be manipulated by said patient, said at least one sensor located on said robotic rehabilitation platform, said at least one sensor configured for sensing at least one manipulation of at least one limb of said patient exercising according to at least one predefined exercising pattern; and

at least one computing unit including at least one processor in communication with said at least one sensor, and with a non-transitory computer readable medium storing program code for implementation by said at least one processor, said code comprising;

instructions to compute a functional evaluation score for said at least one functional ability according to said at least one sensed manipulation, said functional evaluation score computed according to a function based on a plurality of sub-scores including at least one sub-score calculated from said measured applied force, each sub-score defining a functional component of said at least one manipulation of said at least one limb during said at least one trajectory of said at least one manipulation performed by said patient wherein each sub-score is compared to a full performance capability reference value, and said at least one sub-score includes at least one member selected from the group consisting of;

a quality of movement score, an active range of motion score, and a passive range of motion score, and for converting said computed functional evaluation score to a respective score of said at least one manual rehabilitation evaluation scale, to generate an objective evaluation of said patient based on said manual rehabilitation evaluation scale;

wherein said manual rehabilitation evaluation scale comprises a member selected from a group consisting of;

an action research arm test (ARAT), a stroke impact scale (SIS), a motor assessment scale (MAS), a wolf motor function test (WMFT), a motor status score for the Upper Extremity (MSS), and a manual function test (MFT).

25. The system according to claim 24, further comprising:

said database configured for hosting at least one preliminary exercising pattern and a plurality of adjusted exercising patterns; and

wherein said code further comprises;

instructions to provide a preliminary evaluation of the at least one functional ability according to at least one preliminary exercising pattern; and

instructions to select at least one of said plurality of adjusted exercising patterns according to said preliminary evaluation.

26. The system of claim 25, wherein said preliminary evaluation is a rehabilitation evaluation and each said adjusted exercising pattern being a rehabilitation re-evaluation exercise.

27. The system of claim 24, wherein said database is configured for hosting a plurality of manual rehabilitation evaluation scales, further comprising a user interface configured for allowing an operator of the system to select one of said plurality of manual rehabilitation evaluation scales, and further comprising instructions for scoring said exercising according to said selected manual rehabilitation evaluation scale.

28. The system of claim 24, wherein said code comprises instructions to measure time during said exercising, said functional evaluation score scoring being computed according to said measured time.