An ergonomic crutch comprising an armpit pad assembly, a top tube, a middle tube, a bottom tube, a hand grip, a shock absorber, and a footpad assembly. The armpit pad assembly comprises an armpit pad and means for allowing the armpit pad to tilt vertically and swivel horizontally. In an alternate em
An ergonomic crutch comprising an armpit pad assembly, a top tube, a middle tube, a bottom tube, a hand grip, a shock absorber, and a footpad assembly. The armpit pad assembly comprises an armpit pad and means for allowing the armpit pad to tilt vertically and swivel horizontally. In an alternate embodiment, the crutch does not have a shock absorber.
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We claim: 1. An ergonomic crutch comprising: (a) an armpit pad assembly; (b) a top tube; (c) a middle tube; (d) a bottom tube; (e) a hand grip; (f) a shock absorber; and (g) a footpad assembly; wherein the armpit pad assembly comprises an armpit pad and means for allowing the armpit pad to tilt ver
We claim: 1. An ergonomic crutch comprising: (a) an armpit pad assembly; (b) a top tube; (c) a middle tube; (d) a bottom tube; (e) a hand grip; (f) a shock absorber; and (g) a footpad assembly; wherein the armpit pad assembly comprises an armpit pad and means for allowing the armpit pad to tilt vertically and swivel horizontally; wherein the armpit pad having an underside comprises two angled walls and two shoulders; wherein the means for allowing the armpit pad to tilt vertically and swivel horizontally is connected between the two shoulders and is located entirely within the two angled walls of the armpit pad; wherein the top tube comprises a top end and a bottom end, and the armpit pad assembly connects to the top end of the top tube; wherein the middle tube comprises a top end and a bottom end; wherein the bottom end of the top tube slides into the top end of the middle tube; wherein the bottom tube comprises a top end and a bottom end; wherein the top end of the bottom tube slides into the bottom end of the middle tube; wherein the hand grip is connected to and offset laterally from the middle tube; wherein the shock absorber comprises a barrel and a piston; wherein the barrel of the shock absorber is situated inside of the bottom end of the bottom tube, and the piston of the shock absorber protrudes downward from the bottom end of the bottom tube; wherein the footpad assembly comprises a footpad; wherein the piston of the shock absorber comprises a top end and a bottom end; and wherein the bottom end of the piston of the shock absorber connects to the footpad. 2. The erogonomic crutch of claim 1, wherein the top, middle and bottom tubes are approximately the same length. 3. The ergonomic crutch of claim 1, wherein the armpit pad is gel-filled. 4. The ergonomic crutch of claim 1, wherein the middle tube comprises a top half and a bottom half; wherein the middle tube comprises four series of spirally aligned apertures, two of which are located in the top half of the middle tube, and two of which are located in the bottom half of the middle tube; and wherein the spirally aligned apertures are configured such that each aperture has a corresponding aperture exactly horizontal to it on an opposite side of the middle tube to facilitate securing the top and bottom tubes inside of the middle tube. 5. The ergonomic crutch of claim 1, wherein the hand grip comprises a cushioned pad and a metal bar; wherein the middle tube comprises a middle; wherein the metal bar is attached to the middle of the middle tube; wherein the metal bar extends from the middle tube in a first direction, makes a U turn, and then extends in a second direction opposite to the first direction to a point beyond the middle tube, thereby forming a short arm and a long arm of the metal bar; wherein the cushioned pad is wrapped around the long arm of the metal bar; wherein the cushioned pad comprises a center; wherein the foot pad comprises a center; and wherein the center of the cushioned pad is directly adjacent to the center of the foot pad from the perspective of a top view of the crutch. 6. The ergonomic crutch of claim 5, wherein the cushioned pad is gel-filled. 7. The ergonomic crutch of claim 5, further comprising a rubber strap; wherein the rubber strap is used to secure the top, middle and bottom tubes together when the crutch is disassembled; wherein the rubber strap comprises a first end and a second end; wherein the first end of the rubber strap is attached to the middle tube at a point directly beneath the point at which the metal bar of the hand grip is attached to the middle of the middle tube; wherein there is a side of the middle tube that faces the patient when the crutch is in use and a side of the middle tube that does not face the patient when the crutch is in use; and wherein the point at which the rubber strap is attached to the middle tube is on the side of the middle tube that faces the patient when the crutch is in use. 8. The ergonomic crutch of claim 7, further comprising a clipboard, wherein the clipboard attaches to the middle tube at a point on the middle tube directly opposite the point at which the rubber strap attaches to the middle tube. 9. The ergonomic crutch of claim 8, wherein the clipboard comprises a magnetic strip. 10. The ergonomic crutch of claim 7, further comprising a removable beverage holder, wherein he beverage holder comprises a top end and a bottom end; wherein the top end of the beverage holder attaches to the middle tube at a point on the middle tube directly opposite the point at which the rubber strap attaches to the middle tube; and wherein the bottom end of the beverage holder is not attached to the middle tube so that it can swing freely and maintain a vertical orientation when the crutch is in use. 11. The ergonomic crutch of claim 1, wherein the crutch is used by a patient, and wherein the shock absorber is adjustable based on the weight of the patient. 12. The ergonomic crutch of claim 1, wherein the footpad comprises a broad rounded underside that allows the foot pad to rock in all directions. 13. The ergonomic crutch of claim 1, wherein the armpit pad assembly further comprises a primary swivel part, a first washer, a cap, a second washer, a nut, and a shoulder bolt; wherein the primary swivel part is inserted into the underside of the armpit pad and secured with the shoulder bolt; wherein the primary swivel part comprises a top section, a disc, a bottom extension, and a threaded portion; wherein the shoulder bolt extends through an aperture in the top section of the primary swivel part; wherein the cap comprises a top surface with an aperture and an underside; wherein the first washer is positioned over the bottom extension of the primary swivel part and the bottom extension inserted into the aperture in the top surface of the cap; wherein the second washer is inserted over the bottom extension of the primary swivel part underneath the aperture in the top surface of the cap; wherein the nut is screwed onto the threaded portion of the primary swivel part to secure the primary swivel part on the cap; wherein the cap is affixed to the top end of the top tube; and wherein the disc of the primary swivel part lies flat against the first washer, the first washer lies flat against the top surface of the cap, and the second washer lies flat against the underside of the top surface of the cap, thereby allowing the armpit pad to swivel horizontally in relation to the top tube. 14. The ergonomic crutch of claim 13, wherein the disc of the primary swivel part comprises a bottom surface; wherein the primary swivel part comprises a bottom extension that extends downward from the bottom surface of the disc and connects to the threaded portion of the primary swivel part; wherein the bottom extension has a height; wherein the first washer, top surface of the cap, and second washer each has a thickness; and wherein the height of the bottom extension is slightly greater than the total thickness of the first washer, the top surface of the cap, and the second washer. 15. The ergonomic crutch of claim 13, wherein the top section of the primary swivel part fits in between the two shoulders of the underside of the armpit pad; wherein the shoulder bolt extends through an aperture on one side of the armpit pad, through one of the two shoulders, through the aperture in the top section of the primary swivel part, and through the other shoulder; and wherein the shoulder bolt comprises a threaded portion that screws into a side wall of the armpit pad. 16. The ergonomic crutch of claim 15, wherein the angled walls of the armpit pad allow the armpit pad to tilt vertically when the armpit pad assembly is fully assembled; wherein each angled wall has an angle, and the angle of one angled wall is equal to the angle of the other angled wall; wherein the angle of the angled walls determines how far the armpit pad is capable of tilting vertically; and wherein the angle of the angled walls can be adjusted during manufacture to allow for greater or lesser tilt of the armpit pad. 17. An ergonomic crutch comprising: (a) an armpit pad assembly; (b) a top tube; (c) a middle tube; (d) a bottom tube; (e) a hand grip; and (f) a footpad assembly; wherein the armpit pad assembly comprises an armpit pad and means for allowing the armpit pad to tilt vertically and swivel horizontally; wherein the armpit pad having an underside comprises two angled walls and two shoulders; wherein the means for allowing the armpit pad to tilt vertically and swivel horizontally is connected between the two shoulders, and is located entirely within the two angled walls of the armpit pad; wherein the top tube comprises a top end and a bottom end, and the armpit pad assembly connects to the top end of the top tube; wherein the middle tube comprises a top end and a bottom end; wherein the bottom end of the top tube slides into the top end of the middle tube; wherein the bottom tube comprises a top end and a bottom end; wherein the top end of the bottom tube slides into the bottom end of the middle tube; and wherein the hand grip is connected to and offset laterally from the middle tube. 18. The ergonomic crutch of claim 17, wherein the armpit pad is gel-filled. 19. The ergonomic crutch of claim 17, wherein the middle tube comprises a top half and a bottom half; wherein the middle tube comprises four series of spirally aligned apertures, two of which are located in the top half of the middle tube, and two of which are located in the bottom half of the middle tube; and wherein the spirally aligned apertures are configured such that each aperture has a corresponding aperture exactly horizontal to it on an opposite side of the middle tube to facilitate securing the top and bottom tubes inside of the middle tube. 20. The ergonomic crutch of claim 17, wherein the hand grip comprises a cushioned pad and a metal bar; wherein the middle tube comprises a middle; wherein the metal bar is attached to the middle of the middle tube; wherein the metal bar extends from the middle tube in a first direction, makes a U turn, and then extends in a second direction opposite to the first direction to a point beyond the middle tube, thereby forming a short arm and a long arm of the metal bar; wherein the cushioned pad is wrapped around the long arm of the metal bar; wherein the cushioned pad comprises a center; wherein the foot pad comprises a center; and wherein the center of the cushioned pad is directly adjacent to the center of the foot pad from the perspective of a top view of the crutch. 21. The ergonomic crutch of claim 20, wherein the cushioned pad is gel-filled. 22. The ergonomic crutch of claim 20, further comprising a rubber strap; wherein the rubber strap is used to secure the top, middle and bottom tubes together when the crutch is disassembled; wherein the rubber strap comprises a first end and a second end; wherein the first end of the rubber strap is attached to the middle tube at a point directly beneath the point at which the metal bar of the hand grip is attached to the middle of the middle tube; wherein there is a side of the middle tube that faces the patient when the crutch is in use and a side of the middle tube that does not face the patient when the crutch is in use; and wherein the point at which the rubber strap is attached to the middle tube is on the side of the middle tube that faces the patient when the crutch is in use. 23. The ergonomic crutch of claim 22, further comprising a clipboard, wherein the clipboard attaches to the middle tube at a point on the middle tube directly opposite the point at which the rubber strap attaches to the middle tube. 24. The ergonomic crutch of claim 23, wherein the clipboard comprises a magnetic strip. 25. Tue ergonomic crutch of claim 22, further comprising a removable beverage holder, wherein the beverage holder comprises a top end and a bottom end; wherein the top end of the beverage holder attaches to the middle tube at a point on the middle tube directly opposite the point at which the rubber strap attaches to the middle tube; and wherein the bottom end of the beverage holder is not attached to the middle tube so that it can swing freely and maintain a vertical orientation when the crutch is in use. 26. The ergonomic crutch of claim 17, wherein the footpad assembly comprises a footpad with a broad rounded underside that allows the footpad to rock in all directions. 27. The ergonomic crutch of claim 17, wherein the armpit pad assembly further comprises a primary swivel part, a first washer, a cap, a second washer, a nut, and a shoulder bolt; wherein the primary swivel part is inserted into the underside of the armpit pad and secured with the shoulder bolt; wherein the primary swivel part comprises a top section, a disc, a bottom extension, and a threaded portion; wherein the shoulder bolt extends through an aperture in the top section of the primary swivel part; wherein the cap comprises a top surface with an aperture and an underside; wherein the first washer is positioned over the bottom extension of the primary swivel part and the bottom extension inserted into the aperture in the top surface of the cap; wherein the second washer is inserted over the bottom extension of the primary swivel part underneath the aperture in the top surface of the cap; wherein the nut is screwed onto the threaded portion of the primary swivel part to secure the primary swivel part on the cap; wherein the cap is affixed to the top end of the top tube; and wherein the disc of the primary swivel part lies flat against the first washer, the first washer lies flat against the top surface of the cap, and the second washer lies flat against the underside of the top surface of the cap, thereby allowing the armpit pad to swivel horizontally in relation to the top tube. 28. The ergonomic crutch of claim 27, wherein the disc of the primary swivel part comprises a bottom surface; wherein the primary swivel part comprises a bottom extension that extends downward from the bottom surface of the disc and connects to the threaded portion of the primary swivel part; wherein the bottom extension has a height; wherein the first washer, top surface of the cap, and second washer each has a thickness; and wherein the height of the bottom extension is slightly greater than the total thickness of the first washer, the top surface of the cap, and the second washer. 29. The ergonomic crutch of claim 27, wherein the top section of the primary swivel part fits in between the two shoulders of the underside of armpit pad; wherein the shoulder bolt extends through an aperture on one side of the armpit pad, through one of the two shoulders, through the aperture in the top section of the primary swivel part, and through the other shoulder; and wherein the shoulder bolt comprises a threaded portion that screws into a side wall of the armpit pad. 30. The ergonomic crutch of claim 29, wherein the angled walls of the armpit pad allow the armpit pad to tilt vertically when the armpit pad assembly is fully assembled; wherein each angled wall has an angle, and the angle of one angled wall is equal to the angle of the other angled wall; wherein the angle of the angled walls determines how far the armpit pad is capable of tilting vertically; and wherein the angle of the angled walls can be adjusted during manufacture to allow for greater or lesser tilt of the armpit pad.
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