IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0597671
(2005-02-04)
|
등록번호 |
US-8545420
(2013-10-01)
|
국제출원번호 |
PCT/IL2005/000140
(2005-02-04)
|
§371/§102 date |
20070604
(20070604)
|
국제공개번호 |
WO2005/074371
(2005-08-18)
|
발명자
/ 주소 |
- Einav, Omer
- Einav, Haim
- Rousso, Benny
- Shabanov, Doron
- Katzir, Eran
- Binyamini, Gad
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
75 |
초록
▼
The invention relates to a rehabilitation device which guides a patient to perform a motion with a correct spatial trajectory, by the device applying one or more pushing, assisting, reminding, responding and/or resisting forces during a motion (or intent to move) by the patient. The forces are appli
The invention relates to a rehabilitation device which guides a patient to perform a motion with a correct spatial trajectory, by the device applying one or more pushing, assisting, reminding, responding and/or resisting forces during a motion (or intent to move) by the patient. The forces are applied by an actuator, for example, a robotic articulated arm or a spherically jointed lever. The applied forces act as a force fields, optionally continuous, which impeded and/or guides a patient. The device can be programmable with various trajectories (paths and/or velocities) and/or forces. The forces at one point in the trajectory can vary responsive to an actual trajectory by the patient and/or responsive to a rehabilitation plan and/or improvement of the patient. The device can learn a motion entered by a physiotherapist and replay it for the patient.
대표청구항
▼
1. A rehabilitation device comprising: a frame with a curved portion and configured to at least partially surround a patient in a three dimensional space;an actuator that includes a movement mechanism capable of applying a force to a patient's limb that interacts with a motion of the patient's limb
1. A rehabilitation device comprising: a frame with a curved portion and configured to at least partially surround a patient in a three dimensional space;an actuator that includes a movement mechanism capable of applying a force to a patient's limb that interacts with a motion of the patient's limb in a volume of at least 30 cm in diameter, in at least three degrees of freedom of motion of the actuator and capable of preventing substantial motion of the patient's limb in any point in any direction in said volume;a single joint interconnecting said frame and said actuator and allowing multiple different relative placements of said movement mechanism on said frame, such that said volume moves relative to said frame and around the patient. 2. A device according to claim 1, wherein said movement mechanism has different motion limitations in different spatial directions and wherein said multiple relative placements include changing an orientation of said mechanism relative to the patient. 3. A device according to claim 1, wherein said joint comprises a linear joint. 4. A device according to claim 1, wherein said joint comprises a swiveling joint. 5. A device according to claim 1, wherein said joint is motorized. 6. A device according to claim 5, comprising a controller that controls said joint according to an exercise stored in said controller to be performed. 7. A device according to claim 1, comprising at least one sensor that reports an angular position of said joint. 8. A rehabilitation device according to claim 1, further comprising: at least one weight that balances said actuator such that no force is required to maintain said actuator in space. 9. A rehabilitation device according to claim 1, wherein the joint has freedom of motion in rotational and elevation directions, said freedom allowing positioning of said joint in substantially any angular position within a range of at least 30 degrees in each angular direction, and the device further comprising: a substantially rigid radial extension attached to said joint and adapted for movement with the patient's limb at least one point thereof; anda controller adapted to control motion of said joint and thereby motion of said radial extension. 10. A device according to claim 9, wherein said radial extension is balanced such that said point remains stable if no force is applied and moves if force is applied by said patient. 11. A device according to claim 10, wherein said balancing can be varied to match a weight of an attachment selectively attached to said extension. 12. A device according to claim 10, wherein said balancing can be varied by said controller along a path of motion to match a change in moment on said point. 13. A device according to claim 10, wherein said balancing can be set to provide a neutral buoyancy to said limb. 14. A device according to claim 9, wherein said joint is a ball joint. 15. A device according to claim 9, wherein said joint comprises two orthogonal hinges with a common center of rotation. 16. A device according to claim 9, wherein said controller comprises a mechanical controller. 17. A device according to claim 9, wherein said controller comprises an electrical controller. 18. A device according to claim 9, comprising at least one brake adapted to selectively resist said freedom of motion of the actuator. 19. A device according to claim 18, wherein said brake is continuously controlled by said controller. 20. A device according to claim 18, wherein said brake is uni-directional in only one of said rotational and elevation directions. 21. A device according to claim 18, wherein said brake is operative in both said rotational and elevation directions. 22. A device according to claim 9, comprising at least one motor adapted to move said joint. 23. A device according to claim 22, wherein said motor is adapted to apply at least 10 Kg of force at said point. 24. A device according to claim 22, wherein said motor is continuously controlled by said controller. 25. A device according to claim 22, wherein said motor cannot be back-driven by said extension. 26. A device according to claim 9, comprising at least one resilient element adapted to provide resilient compliance when said patient moves said point in a trajectory other than a trajectory for which motion is controlled to move by said controller. 27. A device according to claim 26, wherein said controller sets a degree of said resilient compliance. 28. A device according to claim 9, wherein said extension is extendible. 29. A device according to claim 9, wherein extension includes a conduit for electrical power. 30. A device according to claim 9, including at least one position sensor which reports on a angular position of said joint. 31. A device according to claim 9, including at least one force sensor which reports on a force applied to said joint. 32. A device according to claim 9, wherein said controller is configured to control said motion of the actuator and provide at least one of assisting motion by said patient limb, resisting motion by said patient limb, guiding motion by said patient limb, nudging said patient limb to move and moving said patient limb. 33. A device according to claim 32, wherein said controllers stores thereon a plurality of different rehabilitation exercises. 34. A method of setting up a rehabilitation system comprising: providing said rehabilitation system with an actuator that includes a movement mechanism capable of applying a force to a patient's limb that interacts with a motion of the patient's limb in a volume of at least 30 cm in diameter, in at least three degrees of freedom of motion of the actuator and capable of preventing substantial motion in any point in any direction in said volume;determining a rehabilitation exercise to be performed; selecting a desired position for said movement mechanism for said exercise on a frame of the system, the frame provided with a curved portion configured to at least partially surround the patient in a three dimensional space; andadjusting a position of the mechanism on the frame according to said desired position. 35. A method according to claim 34, comprising automatically adjusting said position. 36. A method according to claim 34, comprising automatically reporting to the patient said desired position.
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