[특허]Portable device for the enhancement of circulation

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61H-011/00
출원번호	US-0576008 (2005-09-26)
등록번호	US-8100841 (2012-01-24)
우선권정보	IL-164286 (2004-09-26)
국제출원번호	PCT/IL2005/001029 (2005-09-26)
§371/§102 date	20070803 (20070803)
국제공개번호	WO2006/033115 (2006-03-30)
발명자 / 주소	Rousso, Benny
출원인 / 주소	Rousso, Benny
인용정보	피인용 횟수 : 22 인용 특허 : 33

초록 ▼

The present invention provides a portable device and method for enhancing blood flow in a limb and for reducing the risk of peripheral vascular disorders formation by applying periodic squeezing forces on a limb, in particular a lower limb. The device comprises an actuator and at least one rigid or

The present invention provides a portable device and method for enhancing blood flow in a limb and for reducing the risk of peripheral vascular disorders formation by applying periodic squeezing forces on a limb, in particular a lower limb. The device comprises an actuator and at least one rigid or semi-rigid flap connected to a housing such as to form an open closure around the limb. The housing contains machinery for actuating periodical change in the position of the at least one between contracted and relaxed position.

대표청구항 ▼

1. A portable device for modulating blood or lymph flow in a limb, the device partially encircling said limb, the device comprising at least one flap and an actuator coupled to said at least one flap to provide a controlled periodical movement of said at least one flap relative to the limb for apply

1. A portable device for modulating blood or lymph flow in a limb, the device partially encircling said limb, the device comprising at least one flap and an actuator coupled to said at least one flap to provide a controlled periodical movement of said at least one flap relative to the limb for applying periodical squeezing forces on the limb; wherein said actuator comprises:a motor or a compressor;at least one spring operatively disposed between the motor or compressor and the at least one flap; andat least one energy applying mechanism coupling between said at least one spring and said at least one flap for enabling fast release of energy stored in said spring and the use of the energy so released to effectuate at least one abrupt transition between relaxed and compressed states of the limb. 2. The device of claim 1 wherein the limb is a leg and wherein said at least one flap is shaped to conform to a leg curvature. 3. The device of claim 1 wherein the at least one flap is rigid. 4. The device of claim 1 wherein the at least one flap is semi-rigid. 5. The device of claim 1 wherein the at least one flap is having a semi circular shape, or an arch rounded shape, or an angled arch shape. 6. The device of claim 1 wherein said at least one device forms an open loop about said limb. 7. The device of claim 1 wherein the at least one flap is fabricated from a light metal, or light metal alloy, or a rigid or a semi-rigid polymeric material, or a combination thereof. 8. The device of claim 1 wherein the at least one flap comprises an at least one movable segment. 9. The device of claim 1 wherein the at least one flap comprises at least two segments positioned so as to form an angle with each other. 10. The device of claim 1 wherein the device further comprises an at least one second flap and wherein the actuator is coupled to both said at least one and said at least second flaps and is configured to move said at least one and said at least second flaps inwardly and outwardly such as to apply compression force to the limb. 11. The device of claim 1 wherein said mechanism is a mechanical mechanism. 12. The device of claim 1 wherein said mechanism is a pneumatic or a hydraulic mechanism. 13. The device of claim 1 wherein the actuator is adapted to be mounted on the limb. 14. The device of claim 1 wherein during operation at least one component of the actuator is adapted not to be mounted on the limb. 15. The device according to claim 1 wherein the abrupt transition is in the range of about 30 msec to about 10 sec. 16. The device of claim 1 wherein the mechanism comprises at least two levers invertly connected through at least one pivot to said at least one flap for applying compression on said limb. 17. The device of claim 16 further wherein said at least one spring is a return spring configured for forcing the at least two levers to move inwardly. 18. The device of claim 17 wherein said return spring is juxtaposed between bottom sides of the at least two levers and above the at least one pivot to avoid contact with the limb. 19. The device of claim 1 wherein the device includes an inflatable cell. 20. The device of claim 1 further comprising a regulator for regulating the frequency of said periodical movement. 21. The device of claim 20 wherein said frequency is a variable frequency. 22. The device of claim 1 wherein said periodical movement is an intermittent movement or a continuous movement. 23. The device of claim 1 wherein a cycle of the periodical movement of the at least one flap comprises one or more relaxed states of the flap and or more contracted state of the flap. 24. The device of claim 23 wherein the periodical movement of the at least one flap comprises a fast transition of about 30 msec to about 10 sec from a contracted to relaxed state or from relaxed to contracted state. 25. The device of claim 23 wherein the cycle is asymmetric. 26. The device of claim 1 wherein said at least one abrupt transition is from the relaxed state to the compressed state of the limb. 27. The device of claim 1 wherein said at least one abrupt transition is from the compressed state to the relaxed state of the limb. 28. A method for modulating blood or lymph flow in a limb, the method comprising the steps of: partially encircling the limb with at least one flap;providing a controlled movement to said at least one flap to cause a periodical change of the position of said at least one flap relative to the limb for applying intermittent squeezing forces on the limb, wherein said periodical change comprises at least one abrupt transition between relaxed and contracted states of the flap, said abrupt transition is effectuated by releasing energy stored in a spring coupled to said flap. 29. The method of claim 28 wherein the at least one flap is rigid. 30. The method of claim 28 wherein the at least one flap is having a semi circular shape, or an arch rounded shape, or an angled arch shape. 31. The method of claim 28 wherein the at least one flap is fabricated from a light metal, or light metal alloy, or a rigid or a semi-rigid polymeric material, or a combination thereof. 32. The method of claim 28 wherein the at least one flap comprises an at least one movable segment. 33. The method of claim 28 wherein the at least one flap comprises two movable flaps configured to be placed on opposite sides of the limb and wherein the flaps are periodically moved toward and away from each other. 34. The method of claim 28 further comprising regulating the frequency of periodical change. 35. The method of claim 34 wherein the periodical change comprises one or more contracted states and one or more relaxed states. 36. The method of claim 28 for use of treating any one of the following: a vascular disorder; a deep vein thrombosis; lymphedema, chronic wounds, venous insufficiency, peripheral arterial disease. 37. The method of claim 28 for use to improve circulation of blood or lymph flow. 38. The method of claim 28 wherein said at least one abrupt transition is from the relaxed state to the contracted state of the flap. 39. The method of claim 28 wherein said at least one abrupt transition is from the contracted state to the relaxed state of the flap.

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