US20070072740A1 - Hand therapy device - Google Patents

Hand therapy device Download PDF

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Publication number
US20070072740A1
US20070072740A1 US11/238,589 US23858905A US2007072740A1 US 20070072740 A1 US20070072740 A1 US 20070072740A1 US 23858905 A US23858905 A US 23858905A US 2007072740 A1 US2007072740 A1 US 2007072740A1
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United States
Prior art keywords
hand
therapy device
pulling
engaging element
fabric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/238,589
Inventor
Leonard Kaufman
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Leonard Kaufman Ltd
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Leonard Kaufman Ltd
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Publication date
Application filed by Leonard Kaufman Ltd filed Critical Leonard Kaufman Ltd
Priority to US11/238,589 priority Critical patent/US20070072740A1/en
Assigned to LEONARD KAUFMAN, LTD. reassignment LEONARD KAUFMAN, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KAUFMAN, LEONARD
Priority to US11/533,695 priority patent/US20070072739A1/en
Priority to PCT/US2006/037093 priority patent/WO2007038334A1/en
Publication of US20070072740A1 publication Critical patent/US20070072740A1/en
Abandoned legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/14Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for wrist joints
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02Stretching or bending or torsioning apparatus for exercising
    • A61H1/0274Stretching or bending or torsioning apparatus for exercising for the upper limbs
    • A61H1/0285Hand
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12Driving means
    • A61H2201/1253Driving means driven by a human being, e.g. hand driven
    • A61H2201/1261Driving means driven by a human being, e.g. hand driven combined with active exercising of the patient
    • A61H2201/1269Passive exercise driven by movement of healthy limbs
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00Exercising apparatus specially adapted for particular parts of the body
    • A63B2023/006Exercising apparatus specially adapted for particular parts of the body for stretching exercises

Definitions

  • Embodiments of the present invention relate generally to devices to treat, prevent, or alleviate problems with hands, wrists, and forearms, and symptoms of Carpal Tunnel Syndrome (CTS), and more particularly to a device and method to extend the hand backward to exercise and stretch, muscles, tendons, and ligaments to aid in relief and recovery and prevention of problems of the hands, wrists, and forearms and symptoms of CTS.
  • CTS Carpal Tunnel Syndrome
  • RSI Repetitive Strain Injury
  • Such injuries can be serious and painful and may indicate one or more serious conditions that may be preventable and treatable.
  • RSI may cause damage to tendons, nerves, muscles, and other soft tissues.
  • CTS Carpal Tunnel Syndrome
  • Other injuries may also occur, included but not limited to: Tendinitis, Bursitis, Tenosynovitis/DeQuervain's Syndrome, Tendinosis, Thoracic Outlet Syndrome, Trigger Finger/Thumb, Myofascial Pain Syndrome, Cubital Tunnel Syndrome, other related conditions.
  • FIG. 1 is a perspective view illustrating one embodiment of the present invention
  • FIG. 2 is a side view illustrating one embodiment of the present invention
  • FIG. 3 is a side view illustrating another embodiment of the present invention.
  • FIG. 4 is a side view illustrating another embodiment of the present invention.
  • FIG. 5 is a side view illustrating another embodiment of the present invention.
  • FIG. 6 is a perspective view illustrating another embodiment of the present invention.
  • FIG. 7 is a flow diagram illustrating a method in accordance with one embodiment of the present invention.
  • One embodiment may provide a therapy device which may be used to stretch, warm up, or exercise muscles, tendons, ligaments, and soft tissues of the hands, including the fingers, wrists, and arms.
  • One embodiment may include a hand engaging element disposed to engage a hand, and a pulling cord disposed to pull the hand engaging element, and may be used to extend the hand of a user.
  • One embodiment may include a force redirecting element configured to redirect a pulling force.
  • One embodiment may include a timer, a clock, or an alarm that may be used as a reminder to a user to use the device.
  • One embodiment may include a stiffening device positioned on the back of the hand which may aid in the feel and mechanics of extending the hand backward.
  • One embodiment may include interlinking devices to enable a user to wear one device on each hand and to extend a hand configured with a first device by pulling a cord attached to a second device.
  • pulling cords are configured to pull a hand from a location above the third knuckle (as counted from the fingertip).
  • FIG. 1 is a perspective view partially in cross-section
  • FIG. 2 is a side view illustrating one embodiment of the present invention.
  • a therapy device 10 may comprise a hand engaging element 12 which may be configured to engage with, and/or connect to, a hand 14 , and may be configured to at least partially distribute a force which may be illustrated with an arrow 16 .
  • At least one pulling cord 18 has a first end 20 which may be configured to be connected to the hand engaging element 12 , and has a second end 22 which may be configured to be pulled as may be illustrated with an arrow 24 .
  • a force redirecting element 26 may be configured to be connected to a back of the hand 14 or a back of a wrist 28 as illustrated in this described embodiment, and may be configured to redirect the pulling force exerted on the second end 22 .
  • the redirected pulling force may be illustrated with an arrow 30 , and may be directed to be able to extend the hand 14 in direction 32 .
  • the therapy device may include a fabric 34 configured to fit on a hand 14 , the hand engaging element and the force redirecting element may be connected to the fabric.
  • the fabric 34 may be configured to fit over the hand 14 like a glove or a mitten.
  • One embodiment of the invention may include a force redirecting element 26 which may be a loop made from a resilient material, the at least one cord 18 may be configured to pass through the loop which may be configured to stretch as the at least one cord is pulled, or the hand is extended, or both.
  • the force redirecting element 26 may be configured to pull with a biasing force 36 toward the back of the hand, or wrist 28 .
  • the force redirecting element 26 may be made from a non-resilient material.
  • the second end 22 of the pulling cord 18 may be connected to a handle 38 .
  • the handle 38 may be, for example, a rigid cylinder disposed to be grasped in a hand opposite the hand the therapy device is engaged with.
  • the pulling cord may be configured to be pulled in a direction 40 along a forearm 42 .
  • the hand engaging element 12 may be, for example, an elongate board.
  • the hand engaging element may be configured to be selectively connected to, and removed from, the fabric such that the pulling force may be selectively directed to different areas of the hand.
  • the fingers and the hand engaging element may have mating sides of a loop and hook arrangement, for example with VelcroTM, enabling adjustment. In one embodiment adjustment may be made possible with snaps.
  • the at least one pulling cord may include two or more pulling cords 18 , for example two pulling cords 18 as illustrated in FIG. 1 connected to the hand engaging element 12 at two spaced apart locations.
  • the two cords 18 may be connected to opposite ends of the elongate hand engaging element 12 and may pass through the force redirecting element 26 and be arranged to cross over one another before being attached to the handle by, for example, a loop in the pulling cords 18 .
  • the therapy device 10 may include an object 44 configured to be squeezed by the hand when contracted which may provide exercise for the hand, and in conjunction with the stretching therapy, provided by the pulling cords 18 , may help provide a full range of motion.
  • a timer for example, a clock 46 which may have an alarm that may be used as a reminder to a user to use the device.
  • the clock 46 may be affixed to the fabric 34 , or it may be removably attachable by, for example, with snaps or a VelcroTM connection.
  • FIG. 3 is a side view illustrating another embodiment of the present invention.
  • a therapy device 110 may comprise a hand engaging element 112 which may include a first elongate board 114 configured to be secured at one side of the fingers of a hand 116 and a second elongate board 118 configured to be secured to an opposite side of the fingers.
  • Connections 120 may be disposed to pass between the fingers and configured to connect the first elongate board 114 with the second elongate board 118 .
  • the hand engaging element 112 may be configured to engage with, and/or connect to the hand 116 , and may be configured to at least partially distribute a force which may be illustrated with an arrow 122 .
  • At least one pulling cord 124 has a first end 126 which may be configured to be connected to the hand engaging element 112 , and has a second end 128 which may be configured to be pulled as may be illustrated with an arrow 130 .
  • a force redirecting element 132 may be configured to be connected to a back of the hand 116 or a back of a wrist 134 , and may be configured to redirect the pulling force exerted on the second end 128 as illustrated with an arrow 136 , and may be directed to be able to extend the hand 116 in direction 138 .
  • the therapy device 110 may include a fabric 140 configured to fit on the hand 116 , the hand engaging element 112 and the force redirecting element 132 being connected to the fabric 140 .
  • the fabric 140 may be configured to fit over the hand 116 like a glove or a mitten.
  • the force redirecting element 132 may include a ring 142 connected to the fabric 140 with a resilient connection, for example, a spring 144 .
  • the at least one pulling cord 124 may be configured to pass through the ring 142 .
  • the resilient connection may include a resiliency which is adjustable.
  • the spring 144 may be replaceable with another spring with a different spring constant, or one or more additional springs may be added.
  • the resiliency may be adjusted by changing a distance between the ring 142 and the spring 144 by, for example, with a threaded engagement.
  • various resilient bands may be used.
  • a pulling ring 146 disposed to be grasped in a hand opposite the hand the therapy device may be engaged with, or pulled by another person such as a therapist.
  • the therapy device 110 may include an interlocking element disposed to be attached to a similarly configured therapy device arranged on an opposite hand such that the pulling cord 128 of the first device 110 may be pulled by moving an interlocked other device.
  • a hook 148 may be attached to a bottom of the device which may fit into the pulling ring 146 of a similar therapy device 110 .
  • One embodiment may include a stiffening device 150 positioned on the back of the hand which may aide in the feel and mechanics of tilting and/or extending the hand backward, which may be housed in, for example, a pocket 152 .
  • FIG. 4 is a side view illustrating another embodiment of the present invention.
  • a therapy device 210 may comprise a hand engaging element 212 which may include an elongate board 214 which may be configured to engage with, and/or connect to a hand 216 , and may be configured to at least partially distribute a force which may be illustrated with an arrow 218 .
  • At least one pulling cord 220 has a first end 222 which may be configured to be connected to the hand engaging element 212 , and has a second end 224 which may be configured to be pulled as may be illustrated with an arrow 226 .
  • a force redirecting element 228 may include a lever arm 230 configured to pivot about an axis 232 at, or near, the back of the wrist 233 , the second end 224 of the at least one pulling cord 220 may be configured to be connected to the lever arm 230 a first distance 234 from the axis 232 .
  • the lever arm 230 may be configured to be pulled on by a second cord 236 connected to the lever arm 230 at a second distance 238 .
  • the second cord may be connected to a handle 240 .
  • One or both of the first distance 234 , and the second distance 238 may be adjustable by, for example, providing a number of different connections on the pivot arm, or providing connections on the pivot arm configured to adjustably move along the pivot arm.
  • the first distance 234 may be configured to be greater than, or less than, the second distance 238 .
  • a gauge may be included to indicate to a user how hard the cord is being pulled which may be disposed to indicate whether or not the pulling force is within a recommended range.
  • the lever arm 230 may be grabbed directly with an opposite hand, or by another person, such as a therapist, and pulled back in order to extend the hand of the wearer in the direction 240 .
  • a support 242 may be provided support configured to support the hand at, or near, the wrist while typing or mousing.
  • FIG. 5 is a side view illustrating another embodiment of the present invention.
  • a therapy device 310 may comprise a hand engaging element 312 which may include one or more finger engaging elements, for example, rings 314 configured to fit on one or more fingers 316 each connected to a first end 318 of at least one pulling cord 320 .
  • a hand engaging element 312 which may include one or more finger engaging elements, for example, rings 314 configured to fit on one or more fingers 316 each connected to a first end 318 of at least one pulling cord 320 .
  • rings 314 may be fitted on each of four fingers 316 of a hand 322 .
  • Four pulling cords 320 may be connected to each of the four rings 314 .
  • the four pulling cords 320 may be disposed to pass through a force redirecting element 326 which may be configured to be connected at, or near, a back of a wrist 328 as illustrated in this described embodiment, and may be configured to redirect a pulling force 330 exerted on a second end 332 of each of the pulling cords.
  • each of four cords 320 may be connected to a single additional cord, or to a handle, configured to be pulled.
  • the redirected pulling force may be illustrated with an arrow 334 , and may be directed to be able to extend the hand 319 in direction 334 .
  • FIG. 6 is a perspective view illustrating another embodiment of the present invention.
  • a therapy device 410 may include a fabric 411 configured to be fitted on a hand 412 .
  • the fabric 411 may be a resilient material, for example, elastic.
  • a hand engaging element may be in the form of reinforced fingers 414 , for example a non-resilient fabric which may be added to, or made integral with, the fabric 411 and which may be made from a sturdy material.
  • a first pulling cord 416 may be configured to be connected at a first end 417 thereof to the respective four reinforced fingers 414 with a connection 418 which may be adjustable.
  • the connection 418 may include one or more hooks 420 attached to the reinforced fingers 414 , which may be connectable with mating ends on the first ends 417 of the first pulling cords 416 .
  • Each mating end may include a catch 424 arranged to attach to the hooks 420 .
  • Each of the catches 424 may be removably attachable to the corresponding hooks 420 on each of the respective fingers 414 , and may be left unconnected, or connected to other hooks that may be located higher up or lower down on the fingers.
  • Each of the first pulling cords 416 may be joined at a junction, for example, they may be connected at a second end 428 to a ring 430 .
  • a second pulling cord 432 may be connected to an opposite side of the ring 430 at a first end 434 thereof.
  • a second end 436 of the second pulling cord 432 may be configured to be connected to a handle 438 .
  • a force redirecting element 440 may be attached to the fabric 411 of the therapy device 410 .
  • the second pulling cord 432 may be arranged to pass underneath the force redirecting element 440 .
  • a number of adjusting elements 442 may be arranged on each of the first pulling cords 416 to adjust the length thereof.
  • finger cots may be disposed to fit over the tips of the fingers and may be disposed to have pulling cords connected to them.
  • FIG. 7 is a flow diagram illustrating a method in accordance with one embodiment of the present invention. The method includes:

Abstract

A therapy device includes a hand engaging element configured to engage with a hand, and configured to at least partially distribute a force. At least one pulling cord having a first end is configured to be connected to the hand engaging element, and having a second end which is configured to be pulled. A force redirecting element is configured to be connected to a back of the hand or a back of a wrist, and is configured to redirect a pulling force exerted on the second end. The pulling force directed to be able to extend the hand.

Description

    TECHNICAL FIELD
  • Embodiments of the present invention relate generally to devices to treat, prevent, or alleviate problems with hands, wrists, and forearms, and symptoms of Carpal Tunnel Syndrome (CTS), and more particularly to a device and method to extend the hand backward to exercise and stretch, muscles, tendons, and ligaments to aid in relief and recovery and prevention of problems of the hands, wrists, and forearms and symptoms of CTS.
  • BACKGROUND
  • Repetitive Strain Injury (RSI) to the hands and arms may result from various repetitive physical movements including movements made doing, for example, assembly-line work, playing a musical instrument, or using a computer keyboard and computer mouse. Such injuries can be serious and painful and may indicate one or more serious conditions that may be preventable and treatable. RSI may cause damage to tendons, nerves, muscles, and other soft tissues.
  • Long periods of repetitive physical movement may create cumulative damage to the body, sometimes described as Cumulative Trauma Disorder. Lack of adequate rest, infrequent rests, and improper warming up of hands and arms before undergoing movements, such as those described, may cause and exasperate the injuries and conditions. Carpal Tunnel Syndrome (CTS) may result. Other injuries may also occur, included but not limited to: Tendinitis, Bursitis, Tenosynovitis/DeQuervain's Syndrome, Tendinosis, Thoracic Outlet Syndrome, Trigger Finger/Thumb, Myofascial Pain Syndrome, Cubital Tunnel Syndrome, other related conditions.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • Embodiments of the present invention will be readily understood by the following detailed description in conjunction with the accompanying drawings. To facilitate this description, like reference numerals designate like structural elements. Embodiments of the invention are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings.
  • FIG. 1 is a perspective view illustrating one embodiment of the present invention;
  • FIG. 2 is a side view illustrating one embodiment of the present invention;
  • FIG. 3 is a side view illustrating another embodiment of the present invention;
  • FIG. 4 is a side view illustrating another embodiment of the present invention;
  • FIG. 5 is a side view illustrating another embodiment of the present invention;
  • FIG. 6 is a perspective view illustrating another embodiment of the present invention; and
  • FIG. 7 is a flow diagram illustrating a method in accordance with one embodiment of the present invention.
  • DETAILED DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS OF THE INVENTION
  • In the following detailed description, reference is made to the accompanying drawings which form a part hereof wherein like numerals designate like parts throughout, and in which is shown by way of illustration embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural or logical changes may be made in alternate embodiments. Therefore, the following detailed description is not to be taken in a limiting sense, and the scope of embodiments in accordance with the present invention is defined by the appended claims and their equivalents.
  • The following description may include terms such as inner, outer, under, between, upward, downward, outward, inward, top, bottom, above, below, and the like. Such terms are used for descriptive purposes only and are not to be construed as limiting in the description or in the appended claims. That is, these terms are terms that are relative only to a point of reference and are not meant to be interpreted as limitations but are, instead, included in the following description to facilitate understanding of the various aspects of the invention.
  • The phrase “in one embodiment” is used repeatedly. The phrase generally does not refer to the same embodiment; however, it may. The terms “comprising,” “having,” and “including” are synonymous, unless the context dictates otherwise.
  • One embodiment may provide a therapy device which may be used to stretch, warm up, or exercise muscles, tendons, ligaments, and soft tissues of the hands, including the fingers, wrists, and arms. One embodiment may include a hand engaging element disposed to engage a hand, and a pulling cord disposed to pull the hand engaging element, and may be used to extend the hand of a user. One embodiment may include a force redirecting element configured to redirect a pulling force. One embodiment may include a timer, a clock, or an alarm that may be used as a reminder to a user to use the device. One embodiment may include a stiffening device positioned on the back of the hand which may aid in the feel and mechanics of extending the hand backward. One embodiment may include interlinking devices to enable a user to wear one device on each hand and to extend a hand configured with a first device by pulling a cord attached to a second device. In one embodiment pulling cords are configured to pull a hand from a location above the third knuckle (as counted from the fingertip).
  • FIG. 1 is a perspective view partially in cross-section, and FIG. 2 is a side view illustrating one embodiment of the present invention. A therapy device 10 may comprise a hand engaging element 12 which may be configured to engage with, and/or connect to, a hand 14, and may be configured to at least partially distribute a force which may be illustrated with an arrow 16. At least one pulling cord 18, has a first end 20 which may be configured to be connected to the hand engaging element 12, and has a second end 22 which may be configured to be pulled as may be illustrated with an arrow 24. A force redirecting element 26 may be configured to be connected to a back of the hand 14 or a back of a wrist 28 as illustrated in this described embodiment, and may be configured to redirect the pulling force exerted on the second end 22. The redirected pulling force may be illustrated with an arrow 30, and may be directed to be able to extend the hand 14 in direction 32.
  • In one embodiment the therapy device may include a fabric 34 configured to fit on a hand 14, the hand engaging element and the force redirecting element may be connected to the fabric. In one embodiment the fabric 34 may be configured to fit over the hand 14 like a glove or a mitten.
  • One embodiment of the invention may include a force redirecting element 26 which may be a loop made from a resilient material, the at least one cord 18 may be configured to pass through the loop which may be configured to stretch as the at least one cord is pulled, or the hand is extended, or both. The force redirecting element 26 may be configured to pull with a biasing force 36 toward the back of the hand, or wrist 28. In one embodiment the force redirecting element 26 may be made from a non-resilient material.
  • The second end 22 of the pulling cord 18 may be connected to a handle 38. The handle 38 may be, for example, a rigid cylinder disposed to be grasped in a hand opposite the hand the therapy device is engaged with. The pulling cord may be configured to be pulled in a direction 40 along a forearm 42.
  • The hand engaging element 12 may be, for example, an elongate board. In one embodiment the hand engaging element may be configured to be selectively connected to, and removed from, the fabric such that the pulling force may be selectively directed to different areas of the hand. In one embodiment, the fingers and the hand engaging element may have mating sides of a loop and hook arrangement, for example with Velcro™, enabling adjustment. In one embodiment adjustment may be made possible with snaps.
  • In one embodiment the at least one pulling cord may include two or more pulling cords 18, for example two pulling cords 18 as illustrated in FIG. 1 connected to the hand engaging element 12 at two spaced apart locations. The two cords 18 may be connected to opposite ends of the elongate hand engaging element 12 and may pass through the force redirecting element 26 and be arranged to cross over one another before being attached to the handle by, for example, a loop in the pulling cords 18.
  • In one embodiment the therapy device 10 may include an object 44 configured to be squeezed by the hand when contracted which may provide exercise for the hand, and in conjunction with the stretching therapy, provided by the pulling cords 18, may help provide a full range of motion. A timer, for example, a clock 46 which may have an alarm that may be used as a reminder to a user to use the device. The clock 46 may be affixed to the fabric 34, or it may be removably attachable by, for example, with snaps or a Velcro™ connection.
  • FIG. 3 is a side view illustrating another embodiment of the present invention. A therapy device 110 may comprise a hand engaging element 112 which may include a first elongate board 114 configured to be secured at one side of the fingers of a hand 116 and a second elongate board 118 configured to be secured to an opposite side of the fingers. Connections 120 may be disposed to pass between the fingers and configured to connect the first elongate board 114 with the second elongate board 118. The hand engaging element 112 may be configured to engage with, and/or connect to the hand 116, and may be configured to at least partially distribute a force which may be illustrated with an arrow 122. At least one pulling cord 124 has a first end 126 which may be configured to be connected to the hand engaging element 112, and has a second end 128 which may be configured to be pulled as may be illustrated with an arrow 130. A force redirecting element 132 may be configured to be connected to a back of the hand 116 or a back of a wrist 134, and may be configured to redirect the pulling force exerted on the second end 128 as illustrated with an arrow 136, and may be directed to be able to extend the hand 116 in direction 138.
  • The therapy device 110 may include a fabric 140 configured to fit on the hand 116, the hand engaging element 112 and the force redirecting element 132 being connected to the fabric 140. In one embodiment the fabric 140 may be configured to fit over the hand 116 like a glove or a mitten.
  • The force redirecting element 132 may include a ring 142 connected to the fabric 140 with a resilient connection, for example, a spring 144. The at least one pulling cord 124 may be configured to pass through the ring 142.
  • The resilient connection may include a resiliency which is adjustable. For example, the spring 144 may be replaceable with another spring with a different spring constant, or one or more additional springs may be added. In one embodiment, the resiliency may be adjusted by changing a distance between the ring 142 and the spring 144 by, for example, with a threaded engagement. In one embodiment, various resilient bands may be used.
  • A pulling ring 146 disposed to be grasped in a hand opposite the hand the therapy device may be engaged with, or pulled by another person such as a therapist. In one embodiment, the therapy device 110 may include an interlocking element disposed to be attached to a similarly configured therapy device arranged on an opposite hand such that the pulling cord 128 of the first device 110 may be pulled by moving an interlocked other device. For example, in one embodiment, as shown in FIG. 3 a hook 148 may be attached to a bottom of the device which may fit into the pulling ring 146 of a similar therapy device 110. Such an interlockable arrangement may be useful in cases where the dexterity on one or both hands is compromised and grasping is difficult, or impossible. One embodiment may include a stiffening device 150 positioned on the back of the hand which may aide in the feel and mechanics of tilting and/or extending the hand backward, which may be housed in, for example, a pocket 152.
  • FIG. 4 is a side view illustrating another embodiment of the present invention. A therapy device 210 may comprise a hand engaging element 212 which may include an elongate board 214 which may be configured to engage with, and/or connect to a hand 216, and may be configured to at least partially distribute a force which may be illustrated with an arrow 218. At least one pulling cord 220 has a first end 222 which may be configured to be connected to the hand engaging element 212, and has a second end 224 which may be configured to be pulled as may be illustrated with an arrow 226.
  • A force redirecting element 228 may include a lever arm 230 configured to pivot about an axis 232 at, or near, the back of the wrist 233, the second end 224 of the at least one pulling cord 220 may be configured to be connected to the lever arm 230 a first distance 234 from the axis 232. The lever arm 230 may be configured to be pulled on by a second cord 236 connected to the lever arm 230 at a second distance 238. The second cord may be connected to a handle 240. One or both of the first distance 234, and the second distance 238, may be adjustable by, for example, providing a number of different connections on the pivot arm, or providing connections on the pivot arm configured to adjustably move along the pivot arm. The first distance 234 may be configured to be greater than, or less than, the second distance 238. In one embodiment a gauge may be included to indicate to a user how hard the cord is being pulled which may be disposed to indicate whether or not the pulling force is within a recommended range. In one embodiment, the lever arm 230 may be grabbed directly with an opposite hand, or by another person, such as a therapist, and pulled back in order to extend the hand of the wearer in the direction 240.
  • In one embodiment a support 242 may be provided support configured to support the hand at, or near, the wrist while typing or mousing.
  • FIG. 5 is a side view illustrating another embodiment of the present invention. A therapy device 310 may comprise a hand engaging element 312 which may include one or more finger engaging elements, for example, rings 314 configured to fit on one or more fingers 316 each connected to a first end 318 of at least one pulling cord 320. For example, as shown in the embodiment illustrated, four rings 314 may be fitted on each of four fingers 316 of a hand 322. Four pulling cords 320 may be connected to each of the four rings 314. The four pulling cords 320 may be disposed to pass through a force redirecting element 326 which may be configured to be connected at, or near, a back of a wrist 328 as illustrated in this described embodiment, and may be configured to redirect a pulling force 330 exerted on a second end 332 of each of the pulling cords. In one embodiment each of four cords 320 may be connected to a single additional cord, or to a handle, configured to be pulled. The redirected pulling force may be illustrated with an arrow 334, and may be directed to be able to extend the hand 319 in direction 334.
  • FIG. 6 is a perspective view illustrating another embodiment of the present invention. A therapy device 410 may include a fabric 411 configured to be fitted on a hand 412. The fabric 411 may be a resilient material, for example, elastic. A hand engaging element may be in the form of reinforced fingers 414, for example a non-resilient fabric which may be added to, or made integral with, the fabric 411 and which may be made from a sturdy material. A first pulling cord 416 may be configured to be connected at a first end 417 thereof to the respective four reinforced fingers 414 with a connection 418 which may be adjustable. The connection 418 may include one or more hooks 420 attached to the reinforced fingers 414, which may be connectable with mating ends on the first ends 417 of the first pulling cords 416. Each mating end may include a catch 424 arranged to attach to the hooks 420. Each of the catches 424 may be removably attachable to the corresponding hooks 420 on each of the respective fingers 414, and may be left unconnected, or connected to other hooks that may be located higher up or lower down on the fingers. Each of the first pulling cords 416 may be joined at a junction, for example, they may be connected at a second end 428 to a ring 430. A second pulling cord 432 may be connected to an opposite side of the ring 430 at a first end 434 thereof. A second end 436 of the second pulling cord 432 may be configured to be connected to a handle 438. A force redirecting element 440 may be attached to the fabric 411 of the therapy device 410. The second pulling cord 432 may be arranged to pass underneath the force redirecting element 440. A number of adjusting elements 442 may be arranged on each of the first pulling cords 416 to adjust the length thereof.
  • In one embodiment finger cots may be disposed to fit over the tips of the fingers and may be disposed to have pulling cords connected to them.
  • FIG. 7 is a flow diagram illustrating a method in accordance with one embodiment of the present invention. The method includes:
  • pulling a cord at a second end with a pulling force in a direction substantially along an arm, the cord having a first end connected to a hand engaging element, 500;
  • redirecting the pulling force by passing the cord through a force redirecting element such that the pulling force is directed to have a component toward a wrist, the force redirecting element being connected to a back of the hand or a back of a wrist, 502; and
  • extending the hand backward with the pulling force, 504.
  • Although certain embodiments have been illustrated and described herein for purposes of description of the preferred embodiment, it will be appreciated by those of ordinary skill in the art that a wide variety of alternate and/or equivalent embodiments or implementations calculated to achieve the same purposes may be substituted for the embodiments shown and described. Those with skill in the art will readily appreciate that embodiments in accordance with the present invention may be implemented in a very wide variety of ways. This application is intended to cover any adaptations or variations of the embodiments discussed herein. Therefore, it is manifestly intended that embodiments in accordance with the present invention be limited only by the claims and the equivalents thereof.

Claims (19)

1. A hand therapy device comprising:
a hand engaging element configured to engage with a hand, and configured to at least partially distribute a force;
at least one pulling member having a first end configured to be connected to the hand engaging element, and having a second end configured to be pulled; and
a force redirecting element configured to be connected to a back of the hand or a back of a wrist, and configured to redirect a pulling force exerted on the second end the pulling force directed to be able to extend the hand.
2. The hand therapy device of claim 1 further comprising a fabric configured to fit on a hand, the hand engaging element and the force redirecting element configured to be connected to the fabric.
3. The hand therapy device of claim 2 wherein the at least one pulling member is configured to be selectively moved to engage with the hand at different locations.
4. The hand therapy device of claim 3 wherein the different locations are located on the back of each of the fingers.
5. The hand therapy device of claim 1 wherein the hand engaging element is one selected from the group consisting of:
an elongate board;
a first elongate board configured to be secured at one side of the fingers of the hand and a second elongate board configured to be secured to an opposite side of the fingers and configured to be connected to the first elongate board;
one or more rings configured to fit on one or more fingers each connected to the first end of the at least one pulling member;
a reinforced fabric arranged on the fingers connected to the second end of the at least one pulling member; and
one or more attachment members on each of the fingers configured to be selectively attached to the at least one pulling member.
6. The hand therapy device of claim 1 wherein the at least one pulling member includes two cords connected to the hand engaging element at two spaced apart locations.
7. The hand therapy device of claim 1 wherein the force redirecting element is one selected from the group consisting of:
a loop made from a resilient material configured to stretch as the at least one pulling member is pulled, or the hand is extended, or both;
a lever arm configured to pivot about an axis near the back of the wrist, the at least one pulling member configured to be connected to the lever arm a distance from the axis;
a ring connected to the fabric with a resilient connection the at least one pulling member being configured to pass through the ring; and
a ring connected to the fabric with a non-resilient connection, the at least one pulling member being configured to pass through the ring.
8. The hand therapy device of claim 1 wherein the pulling member is configured to be pulled in a direction sufficiently along a forearm, and at least a component of the pulling force is directed toward the forearm.
9. The hand therapy device of claim 1 further comprising a handle connected to the second end of the pulling member, the handle being one from the group consisting of:
a rigid cylinder disposed to be grasped in a hand opposite the hand the therapy device is engaged with;
a ring disposed to be grasped in a hand opposite the hand the therapy device is engaged with; and
an interlocking element disposed to be attached to a similarly configured therapy device arranged on an opposite hand such that each hand may be extended alternately.
10. The hand therapy device of claim 2 further comprising a rigid member configured to be positioned at the back of a hand to provide rigidity to the fabric at the back of the hand.
11. The hand therapy device of claim 1 further comprising a timing device configured to be connected to the fabric and configured to remind a user of the therapy device to effect an extension of the hand.
12. The hand therapy device of claim 1 further comprising an object configured to be squeezed by the hand when contracted.
13. The hand therapy device of claim 1 wherein the hand engaging element is one or more connections on each finger of the hand, the at least one pulling member is a pulling member configured to be selectively connected to each of the one or more connections.
14. The hand therapy device of claim 13 wherein each of the at least one pulling members is joined at a junction, and configured to be pulled by the pulling force via the junction.
15. The hand therapy device of claim 14 wherein the junction is a ring, the ring is connected to a second pulling member configured to be pulled
16. A therapy device for a hand comprising:
a hand engaging element connected to the fingers above the third knuckle;
at least one pulling cord connected to the hand engaging element disposed to be connected to the hand engaging element at first end and disposed to be pulled at a second end.
17. A method comprising:
pulling a cord at a second end with a pulling force in a direction substantially along an arm, the cord having a first end connected to a hand engaging element;
redirecting the pulling force by passing the cord through a force redirecting element such that the pulling force is directed to have a component toward a wrist, the force redirecting element being connected to a back of the hand or a back of a wrist; and
extending the hand backward with the pulling force.
18. An apparatus comprising:
a hand enveloping fabric sized and shaped to be worn on a hand;
a hand engaging element sufficiently rigid to distribute a pulling force disposed to be connected to the fabric; and
at least one pulling cord attached to the hand engaging element.
19. A therapy device comprising:
a fabric configured to at least partially enclose a hand;
a hand engaging element configured to engage with the hand, and configured to at least partially distribute a force, and configured to be connected to the fabric;
at least one pulling cord having a first end configured to be connected to the hand engaging element, and having a second end configured to be pulled;
a cord directing element configured to be connected to the fabric, and configured to be positioned at one of a back of the hand or a back of the wrist, and configured to redirect a pulling force exerted on the second end.
US11/238,589 2005-09-28 2005-09-28 Hand therapy device Abandoned US20070072740A1 (en)

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US11/533,695 US20070072739A1 (en) 2005-09-28 2006-09-20 Hand therapy device
PCT/US2006/037093 WO2007038334A1 (en) 2005-09-28 2006-09-22 Hand therapy device

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