System for maintaining a desired spinal curvature of a user suffering from improper alignment of the vertebrae of the spine

• US 5,643,329 A
• Filed: 10/20/1995
• Issued: 07/01/1997
• Est. Priority Date: 10/20/1995
• Status: Expired due to Term

• Current Assignee: Moshe Solomonow, Robert D'Ambrosia
• Original Assignee: Moshe Solomonow, Robert D'Ambrosia
• Inventors: Solomonow, Moshe, D'Ambrosia, Robert
• Primary Examiner(s): Jastrzab, Jeffrey R.
• Application Number:
  US08/545,958
• Time in Patent Office: 620 Days
• Field of Search: 607/43, 607/46, 607/48, 128/774, 128/781, 128/874, 128/905
• US Class Current: 607/43
• CPC Class Codes: A61N 1/3604 for correcting spinal deformities, e.g. scoliosis

Abstract

A system for maintaining a desired spinal curvature of a user suffering from improper alignment of the vertebrae of the spine. In it'"'"'s broad aspects, it comprises a sensor feedback system and electrodes. The sensor feedback system measures spinal curvature, determines whether selected conditions have been met warranting the application of electrical stimulation and provides information regarding the determination to an electronic stimulator. The electrodes are spaceably mounted on selected portions of the user'"'"'s back. They are in electrical communication with the electronic stimulator for causing contraction of the back muscles at selected levels, thus providing alignment of the spinal vertebrae. The sensor feedback system includes a sensor assembly which comprises an upper elongated rigid segment, a lower elongated rigid segment and a sensor. The upper elongated rigid segment is positionable adjacent the user'"'"'s upper spine. The lower elongated rigid segment is positionable adjacent the posterior pelvic region. The sensor is mounted on a flexible middle segment between the upper segment and the lower segment. The sensor is so positioned as to measure lordosis.

Claims

1. A system for use with an electronic stimulator for maintaining a desired spinal curvature of a user suffering from improper alignment of the vertebrae of the spine, comprising:

a) a sensor feedback system for measuring spinal curvature to obtain a spinal curvature measurement, determining, using the spinal curvature measurement whether selected conditions have been met warranting the application of electrical stimulation and providing information regarding said determination to an electronic stimulator including connecting means for electrically connecting the sensor feedback system to said electronic stimulator; and

b) electrodes electrically connected to said connecting means spaceably mountable on selected portions of the user'"'"'s back adapted to be in electrical communication with said electronic stimulator for causing contraction of the back muscles at selected levels, thus providing alignment of the spinal vertebrae.

2. The system of claim 1, wherein said sensor feedback system, comprises:

a sensor assembly, comprising;

a) an upper elongated rigid segment positionable adjacent the user'"'"'s upper spine;

b) a lower elongated rigid segment positionable adjacent the posterior pelvic region; and

c) a sensor mounted on a flexible middle segment connecting said upper segment and said lower segment and connected to said connecting means, said sensor being so positioned as to measure lordosis.

3. The system of claim 2, wherein:

said upper segment and said lower segment have increased stiffness over said middle segment, thereby optimizing the accuracy of said sensor.

4. The system of claim 3, wherein said sensor assembly comprises:

an elongated plastic member of sufficient length to extend from the user'"'"'s upper spine to over the posterior pelvic region; and

plastic strips mounted at upper and lower parts of said elongated plastic member thereby forming said upper segment and said lower segments having said increased stiffness.

5. The system of claim 4, wherein said position sensor comprises a strain gauge.

6. The system of claim 2, wherein said sensor feedback system further comprises an elastic sleeve assembly sized to securely fit over the user'"'"'s back and pelvis, said elastic sleeve assembly mounting said sensor assembly.

7. The system of claim 1, wherein said sensor feedback system comprises a position sensor for measuring lordosis.

8. The system of claim 1, wherein said spaceably mounted electrodes comprise two pairs of electrodes, an upper pair being mountable over an upper portion of the user'"'"'s erector spinae muscles and a lower pair being mountable over a lower portion of the user'"'"'s erector spinae muscles.

9. The system of claim 8, wherein a first electrode of said upper pair is mountable on the user'"'"'s right erector spinae muscles and a second electrode of said upper pair is mountable on the user'"'"'s left erector spinae muscles, and wherein a first electrode of said lower pair is mountable on the user'"'"'s right erector spinae muscles and a second electrode of said lower pair is mountable on the user'"'"'s left erector spinae muscles, thereby providing symmetrical stimulation.

10. A system for maintaining a desired spinal curvature of a user suffering from improper alignment of the vertebrae of the spine, comprising:

a) an electronic stimulator for providing an electrical stimulation signal;

b) a sensor feedback system for measuring spinal curvature to obtain a spinal curvature measurement, determining, using the spinal curvature measurement, whether selected conditions have been met warranting the application of electrical stimulation and providing information regarding said determination to said electronic stimulator; and

c) electrodes spaceably mountable on selected portions of the user'"'"'s back in electrical communication with said electronic stimulator for receiving said electrical signal for causing contraction of the back muscles at selected levels, thus providing alignment of the spinal vertebrae.

11. The system of claim 10, wherein said sensor feedback system, comprises:

a sensor assembly, comprising;

a) an upper elongated rigid segment positionable adjacent the user'"'"'s upper spine;

b) a lower elongated rigid segment positionable adjacent the posterior pelvic region; and

c) a sensor mounted on a flexible middle segment connecting between said upper segment and said lower segment, said sensor being so positioned as to measure lordosis.

12. The system of claim 11, wherein:

said upper segment and said lower segment have increased stiffness over said middle segment, thereby optimizing the accuracy of said sensor.

13. The system of claim 12, wherein said sensor assembly comprises:

an elongated plastic member of sufficient length to extend from the user'"'"'s upper spine to over the posterior pelvic region; and

plastic strips mounted at upper and lower parts of said elongated plastic member thereby forming said upper segment and said lower segments having said increased stiffness.

14. The system of claim 11, wherein said sensor feedback system further comprises an elastic sleeve assembly sized to securely fit over the user'"'"'s back and pelvis, said elastic sleeve assembly mounting said sensor assembly.

15. The system of claim 10, wherein said sensor feedback system comprises a position sensor for measuring lordosis.

16. The system of claim 15, wherein said position sensor comprises a strain gauge.

17. The system of claim 10, wherein said spaceably mounted electrodes comprise two pairs of electrodes, an upper pair being mountable over an upper portion of the user'"'"'s erector spinae muscles and a lower pair being mountable over a lower portion of the user'"'"'s erector spinae muscles.

18. The system of claim 10, wherein a first electrode of said upper pair is mountable on the user'"'"'s right erector spinae muscles and a second electrode of said upper pair is mountable on the user'"'"'s left erector spinae muscles, and wherein a first electrode of said lower pair is mountable on the user'"'"'s right erector spinae muscles and a second electrode of said lower pair is mountable on the user'"'"'s left erector spinae muscles, thereby providing symmetrical stimulation.