[특허]Portable cervical traction device

The Saunders Group, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Portable cervical traction device

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-005/00
미국특허분류(USC)	602/032; 128/870
출원번호	UP-0422231 (2006-06-05)
등록번호	US-7566314 (2009-08-05)
발명자 / 주소	Saunders, H. Duane Stultz, Mark R.
출원인 / 주소	The Saunders Group, Inc.
대리인 / 주소	Ropes & Gray LLP
인용정보	피인용 횟수 : 6 인용 특허 : 55

초록
▼

Low-cost, light weight portable cervical traction or spinal decompression devices for home use by a patient. A carriage is slidable along a portion of a support structure parallel to a longitudinal axis. The carriage includes a restraining mechanism adapted to releasably restrain a portion of a patient's body to the carriage. The pneumatic traction force generating apparatus is operatively coupled to move the carriage relative to the support structure when in a pressurized state. The pneumatic traction force generating apparatus is adapted to maintain a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied. A hand pump operated by the patient is fluidly connected to the pneumatic traction force generating apparatus to inject pressurized air. The hand pump is capable of injecting at least 138 kPa (20 psi) of pressure into the pneumatic traction force generating apparatus. A pressure relief mechanism operated by the patient is adapted to release pressure from the pneumatic traction force generating apparatus.

대표
청구항
▼

What is claimed is: 1. A low-cost, light weight portable cervical traction device for home use by a patient comprising: a support structure having a longitudinal axis; a carriage slidable along a portion of the support structure parallel to the longitudinal axis, the carriage comprising a head support pad adapted to receive a patient's head and the restraining mechanism comprises a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad, the restraining mechanism adapted to releasably restrain a portion of a patient's body to the carriage; a pneumatic traction force generating apparatus comprising at least one pneumatic chamber and at least one air inlet, the pneumatic traction force generating apparatus operatively coupled to move the carriage relative to the support structure when the at least one pneumatic chamber is in a pressurized state, the pneumatic traction force generating apparatus adapted to maintain a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient fluidly connected to the pneumatic traction force generating apparatus to inject pressurized air into the at least one pneumatic chamber, the hand pump is capable of injecting at least 138 kPa (20 psi) of pressure into the pneumatic chamber; and a pressure relief mechanism operated by the patient adapted to release pressure from the pneumatic traction force generating apparatus. 2. The apparatus of claim 1 wherein the restraining mechanism comprises a pair of opposing neck supports adjustably attached to the carriage to permit adjustment of the lateral separation there between. 3. The apparatus of claim 1 wherein the pneumatic traction force generating apparatus is capable of maintaining a generally static traction force of greater than 111 N (25 pounds) for a period in excess of 10 minutes without additional pressurized air being injected into the at least one pneumatic chamber. 4. The apparatus of claim 1 wherein the pneumatic traction force generating apparatus is capable of maintaining a generally static traction force of greater than 200 N (45 pounds) for a period in excess of 20 minutes without additional pressurized air being injected into the at least one pneumatic chamber. 5. The apparatus of claim 1 comprising a gauge indicating traction force. 6. The apparatus of claim 1 comprising at least one pressure regulator adapted to prevent the pressure in the at least one pneumatic chamber from exceeding a predetermined value. 7. The apparatus of claim 1 wherein the pressure relief mechanism is incorporated in the hand pump. 8. The apparatus of claim 1 wherein the pneumatic traction force generating apparatus comprises at least one pneumatic cylinder. 9. The apparatus of claim 1 wherein the pneumatic traction force generating apparatus comprises at least one pneumatic cylinder including at least one pressure activated seal. 10. The apparatus of claim 1 wherein the pneumatic traction force generating apparatus comprises at least one pneumatic cylinder and at least one pressure activated seal in the pneumatic cylinder extending circumferentially around a piston, the pressure activated seal movable between a relaxed position and an extended position so the pressure activated seal engages an internal surface on the pneumatic cylinder when the pneumatic cylinder is in the pressurized state. 11. The apparatus of claim 1 wherein the treatment period comprises at least 10 minutes. 12. A low-cost, light weight portable cervical traction device for home use by a patient comprising: a support structure having a longitudinal axis; a carriage slidable along a portion of the support structure parallel to the longitudinal axis, the carriage comprising a head support pad adapted to receive a patient's head and the restraining mechanism comprises a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad, the restraining mechanism adapted to releasably restrain a portion of a patient's body to the carriage; a pneumatic traction force generating means for moving the carriage relative to the support structure when the pneumatic traction force generating means is in a pressurized state and for maintaining a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient fluidly connected to the pneumatic traction force generating means for injecting pressurized air, the hand pump is capable of injecting at least 138 kPa (20 psi) of pressure into the pneumatic traction force generating means; and a pressure relief mechanism operated by the patient adapted to release pressure from the pneumatic traction force generating means. 13. A low-cost, light weight portable cervical traction device for home use by a patient comprising: a support structure having a track; a carriage slidable along a portion of the track, the carriage comprising a head support pad adapted to receive a patient's head and the restraining mechanism comprises a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad, the restraining mechanism adapted to releasably restrain a portion of a patient's body to the carriage; a pneumatic traction force generating apparatus comprising at least one pneumatic cylinder operatively coupled to move the carriage along the track relative to the support structure when in a pressurized state, the at least one pneumatic cylinder maintains a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient fluidly connected to the at least one pneumatic cylinder and adapted to inject pressurized air into the at least one pneumatic cylinder; and a pressure relief mechanism operated by the patient adapted to release pressure from the at least one pneumatic cylinder. 14. The apparatus of claim 13 wherein the restraining mechanism comprises a pair of opposing neck supports adjustably attached to the carriage to permit adjustment of the lateral separation there between. 15. The apparatus of claim 13 wherein the at least one pneumatic cylinder is capable of maintaining a generally static traction force of greater than 111 N (25 pounds) for a period in excess of 10 minutes without additional pressurized air being injected into the at least one pneumatic cylinder. 16. The apparatus of claim 13 wherein the at least one pneumatic cylinder is capable of maintaining a generally static traction force of greater than 200 N (45 pounds) for a period in excess of 20 minutes without additional pressurized air being injected into the at least one pneumatic cylinder. 17. The apparatus of claim 13 comprising a gauge indicating traction force. 18. The apparatus of claim 13 comprising at least one pressure regulator adapted to prevent the pressure in the at least one pneumatic cylinder from exceeding a predetermined value. 19. The apparatus of claim 13 wherein the pressure relief mechanism is incorporated in the hand pump. 20. The apparatus of claim 13 wherein the at least one pneumatic cylinder comprises at least one pressure activated seal. 21. The apparatus of claim 13 wherein the at least one pneumatic cylinder comprises at least one pressure activated seal extending circumferentially around a piston. 22. The apparatus of claim 13 wherein the at least one pneumatic cylinder comprises at least one pressure activated seal extending circumferentially around a piston, the pressure activated seal movable between a relaxed position and an extended position so the pressure activated seal engages an internal surface on the pneumatic cylinder when the pneumatic cylinder is in the pressurized state. 23. The apparatus of claim 13 wherein the treatment period comprises at least 10 minutes. 24. A low-cost, light weight portable cervical traction device for home use by a patient comprising: a support structure having a track; a carriage slidable along a portion of the track, the carriage comprising a head support pad adapted to receive a patient's head and the restraining mechanism comprises a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad, the restraining mechanism adapted to releasably restrain a portion of a patient's body to the carriage; pneumatic cylinder means for moving the carriage along the track relative to the support structure when in a pressurized state and for maintaining a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient fluidly connected to the pneumatic cylinder means and adapted to inject pressurized air into the pneumatic cylinder means; and a pressure relief mechanism operated by the patient adapted to release pressure from the pneumatic cylinder means. 25. A low-cost, light weight portable cervical traction device for home use by a patient comprising: a support structure having a track; at least one carriage slidable along a portion of the track, the carriage comprising a head support pad adapted to receive a patient's head and the restraining mechanism comprises a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad, the restraining mechanism adapted to releasably restrain a portion of a patient's body to the carriage; a pneumatic traction force generating apparatus comprising at least one pneumatic cylinder having a first end and a moveable piston at a second end, one of the pneumatic cylinder or the piston operatively coupled to a support structure, and the other operatively coupled to the carriage, the pneumatic traction force generating apparatus adapted to move the carriage along the track relative to the support structure when in a pressurized state and to maintain a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient fluidly connected to the pneumatic traction force generating apparatus and adapted to inject pressurized air into the at least one pneumatic cylinder; and a pressure relief mechanism operated by the patient adapted to release pressure from the pneumatic traction force generating apparatus. 26. The apparatus of claim 25 wherein the restraining mechanism comprises a pair of opposing neck supports adjustably attached to the carriage to permit adjustment of the lateral separation there between. 27. The apparatus of claim 25 wherein the pneumatic traction force generating apparatus is capable of maintaining a generally static traction force of greater than 111 N (25 pounds) for a period in excess of 10 minutes without additional pressurized air being injected into the at least one pneumatic cylinder. 28. The apparatus of claim 25 wherein the pneumatic traction force generating apparatus is capable of maintaining a generally static traction force of greater than 200 N (45 pounds) for a period in excess of 20 minutes without additional pressurized air being injected into the at least one pneumatic cylinder. 29. The apparatus of claim 25 comprising a gauge indicating traction force. 30. The apparatus of claim 25 comprising at least one pressure regulator adapted to prevent the pressure in the pneumatic traction force generating apparatus from exceeding a predetermined value. 31. The apparatus of claim 25 wherein the pressure relief mechanism is incorporated in the hand pump. 32. The apparatus of claim 25 wherein the at least one pneumatic cylinder comprises at least one pressure activated seal. 33. The apparatus of claim 25 wherein the at least one pneumatic cylinder comprises at least one pressure activated seal extending circumferentially around the piston, the pressure activated seal movable between a relaxed position and an extended position so the pressure activated seal engages an internal surface on the pneumatic cylinder when the pneumatic cylinder is in the pressurized state. 34. The apparatus of claim 25 wherein the treatment period comprises at least 10 minutes. 35. A low-cost, light weight portable cervical traction device for home use by a patient comprising: a support structure having a track; a carriage slidable along a portion of the track, the carriage comprising a head support pad adapted to receive a patient's head and the restraining mechanism comprises a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad, the restraining mechanism adapted to releasably restrain a portion of a patient's body to the carriage; a pneumatic traction force generating means comprising at least one pneumatic cylinder means having a first end and a moveable piston means at a second end, one of the pneumatic cylinder means or the moveable piston means operatively coupled to a support structure, and the other operatively coupled to the carriage, the pneumatic traction force generating means for moving the carriage along the track relative to the support structure when in a pressurized state and for maintaining a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient fluidly connected to the pneumatic traction force generating means and adapted to inject pressurized air into the at least one pneumatic cylinder means; and a pressure relief mechanism operated by the patient adapted to release pressure from the pneumatic traction force generating means. 36. A low-cost, light weight portable cervical traction device for home use by a patient comprising: a support structure having a longitudinal axis; a carriage slidable along a portion of the support structure parallel to the longitudinal axis, the carriage comprising a head support pad adapted to receive a patient's head; a restraining mechanism comprising a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad; a pneumatic traction force generating apparatus comprising at least one air inlet, the pneumatic traction force generating apparatus operatively coupled to move the carriage relative to the support structure when in a pressurized state, the pneumatic traction force generating apparatus adapted to maintain a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient adapted to inject pressurized air into the pneumatic traction force generating apparatus, the hand pump is capable of injecting at least 138 kPa (20 psi) of pressure into the pneumatic traction force generating apparatus; and a pressure relief mechanism operated by the patient adapted to release pressure from the pneumatic traction force generating apparatus. 37. The apparatus of claim 36 wherein pair of opposing neck supports comprise an adjustable attachment to the carriage that permits adjustment of the lateral separation there between. 38. The apparatus of claim 36 wherein the pneumatic traction force generating apparatus is capable of maintaining a generally static traction force of greater than 111 N (25 pounds) for a period in excess of 10 minutes without additional pressurized air being injected. 39. The apparatus of claim 36 wherein the pneumatic traction force generating apparatus is capable of maintaining a generally static traction force of greater than 200 N (45 pounds) for a period in excess of 20 minutes without additional pressurized air being injected. 40. The apparatus of claim 36 comprising a gauge indicating traction force. 41. The apparatus of claim 36 comprising at least one pressure regulator adapted to prevent the pressure in the pneumatic traction force generating apparatus from exceeding a predetermined value. 42. The apparatus of claim 36 wherein the pressure relief mechanism is incorporated in the hand pump. 43. The apparatus of claim 36 wherein the pneumatic traction force generating apparatus comprises at least one pneumatic cylinder. 44. The apparatus of claim 36 wherein the pneumatic traction force generating apparatus comprises at least one pneumatic cylinder including at least one pressure activated seal. 45. The apparatus of claim 36 wherein the pneumatic traction force generating apparatus comprises at least one pneumatic cylinder and at least one pressure activated seal in the pneumatic cylinder extending circumferentially around a piston, the pressure activated seal movable between a relaxed position and an extended position so the pressure activated seal engages an internal surface on the pneumatic cylinder when the pneumatic cylinder is in the pressurized state. 46. The apparatus of claim 36 wherein the treatment period comprises at least 10 minutes. 47. A low-cost, light weight portable cervical traction device for home use by a patient comprising: a support structure having a longitudinal axis; a carriage slidable along a portion of the support structure parallel to the longitudinal axis, the carriage comprising a head support pad adapted to receive a patient's head; a restraining mechanism comprising a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad; pneumatic traction force generating means comprising at least one air inlet means, the pneumatic traction force generating means operatively coupled for moving the carriage relative to the support structure when in a pressurized state and for maintaining a generally static traction force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient adapted to inject pressurized air into the pneumatic traction force generating means, the hand pump is capable of injecting at least 138 kPa (20 psi) of pressure into the pneumatic traction force generating means; and a pressure relief mechanism operated by the patient adapted to release pressure from the pneumatic traction force generating means. 48. A low-cost, light weight portable cervical decompression device for home use by a patient comprising: a support structure having a longitudinal axis; a carriage slidable along a portion of the support structure parallel to the longitudinal axis, the carriage comprising a head support pad adapted to receive a patient's head; a restraining mechanism comprising a pair of opposing neck supports contoured and arranged to engage the occipital area of the patient's head when the head is on the head support pad; a pneumatic traction force generating apparatus comprising at least one air inlet, the pneumatic traction force generating apparatus operatively coupled to move the carriage relative to the support structure when in a pressurized state, the pneumatic traction force generating apparatus adapted to maintain a generally static force during a treatment period when in the pressurized state without additional pressurized air being supplied; a hand pump operated by the patient adapted to inject pressurized air into the pneumatic traction force generating apparatus, the hand pump is capable of injecting at least 138 kPa (20 psi) of pressure into the pneumatic traction force generating apparatus; and a pressure relief mechanism operated by the patient adapted to release pressure from the pneumatic traction force generating apparatus.

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