US20050043149A1 - Exercise device to prevent dvt - Google Patents

Exercise device to prevent dvt Download PDF

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Publication number
US20050043149A1
US20050043149A1 US10/494,118 US49411804A US2005043149A1 US 20050043149 A1 US20050043149 A1 US 20050043149A1 US 49411804 A US49411804 A US 49411804A US 2005043149 A1 US2005043149 A1 US 2005043149A1
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US
United States
Prior art keywords
dimension
foot
ellipse
section
range
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
US10/494,118
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English (en)
Inventor
Noel McKenzie
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of US20050043149A1 publication Critical patent/US20050043149A1/en
Priority to US12/962,073 priority Critical patent/US20110098614A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/16—Platforms for rocking motion about a horizontal axis, e.g. axis through the middle of the platform; Balancing drums; Balancing boards or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/10—Leg
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H2209/00—Devices for avoiding blood stagnation, e.g. Deep Vein Thrombosis [DVT] devices

Definitions

  • This invention relates to devices for exercising the human body, and the legs in particular.
  • a simple and highly effective exercise device may be provided in the form of a rigid body comprising a foot-contacting surface and a floor-contacting surface which are configured so that rolling the floor-contacting surface over a floor surface will cause the foot-contacting surface to rise above the floor surface.
  • the action of lifting the foot causes the calf muscles to contract in a way which helps to pump blood through the veins in the leg.
  • Repeated operation of the device in a rocking, oscillating or rolling motion causes a repeated contraction and relaxing of the calf muscles and can help resist the formation of clots and deep vein thrombosis.
  • the present invention accordingly provides an exercise device comprising a solid body having a first surface for contacting the instep of the foot of a user and a second surface for contacting a floor surface wherein the outer profile of the first and second surfaces correspond to a substantially symmetrical ellipse, an asymmetrical ellipse, an ovoid, oblong or round edge polygon, the first and second surfaces being configured so that rolling the second surface over a floor surface causes at least a part of the first surface to rise with respect to the floor surface, wherein a cross section of a foot contacting zone of the device has a greatest dimension and a least dimension, the ratio between the least dimension and the greatest dimension being in the range 1.0:1.05 to 1.0:2.0.
  • the present invention further provides an oscillating device that functions under the instep that employs an elliptical shape or offset motion, to provide an increase in height or lift for the foot when rocked or rotated in either direction, and wherein a cross section of a foot contacting zone of the device has a greatest dimension and a least dimension, the ratio between the least dimension and the greatest dimension being in the range 1.0:1.05 to 1.0:2.0, 1.0:1.15 to 1.0:2.0.
  • an oblong length of material is shaped to act as a support and fulcrum for the foot whilst seated.
  • the oscillator is located under the instep, just forward of the ankle, so that it can be rocked, or oscillated, backwards and forwards by the foot which, primarily, respires the effort of the calf muscles, thus increasing blood flow in the leg concerned.
  • the second surface is a smoothly curving surface or a surface defined by a plurality of small stepped surface segments whose edges lie on a smooth curve.
  • each surface segment is no wider than 2 cm, preferably no wider than 1.5 cm and preferably no wider than 0.8 cm.
  • the first surface is also curved, being defined by a smooth curve or a series of stepped surface segments in a similar way to the second curved surface.
  • the first and second surfaces define a closed body.
  • the necessary rising action is achieved because the body is generally non-circular, being elliptical, ovoid, oblong or polygonal with rounded edges.
  • the first and second curved surfaces may have substantially the same form so that the device can be used with either surface in contact with the floor or with the foot.
  • the device may comprise a section of a cylinder or prism whose cross section has the shape described above.
  • it may be a section of a conoid, a pair of conoids meeting at their bases, or a cylindroid, having outwardly bowed side walls in a manner of a barrel, or inwardly bowed side walls.
  • the body may even be in a form of a distorted ball.
  • the body may be formed of any suitable material, for example, metal, synthetic material such as thermoplastic or composite material, wood, paper, paper mache or any other suitable material.
  • a suitable material is polystyrene.
  • the device may be formed by any suitable technique, such as moulding. It may be formed as a solid body or it may comprise a hollow body.
  • the body is in form of a hollow body, it may be open at at least one end, so that items may be stored inside the body.
  • Removable closure means may be provided for at least one end of the body.
  • the body may be symmetrical about at least one and preferably two planes of symmetry, suitably, the planes of symmetry intersect one another at right angles.
  • the device comprises a symmetrical body, it can be placed any way round or anyway up and will still function.
  • the shape of the body is further defined by defining the shape of the cross section of a foot-contacting zone of the device.
  • a cross section extending between a foot contacting portion and ground contacting portion will have a greatest dimension and a least dimension. For example, if the shape were elliptical, these would be the distance along the minor axis and the distance along the major axis.
  • the greatest dimension is in the range 50-150 mm more preferably 50-100 mm.
  • the least dimension is in the range 20-10 mm, more preferably 25-60 mm.
  • the ratio between the least and the greatest dimension is in the range of 1.0:1.05 to 1.0:2.0, preferably 1.0:1.15 to 1.0:2.0 more preferably 1.0:1.2 to 1.0:1.9 most preferably around 1.0:1.5 to 1.0:1.8.
  • the first and second surfaces may be textured to improve grip.
  • they may be roughened, matt, ridged, stepped or grooved to improve contact and friction.
  • the shape may be defined with reference to a plane dissecting a circular section cylinder at an angle.
  • the angle between the plane and a plane which is perpendicular to the axis of the cylinder is referred to.
  • the shape of the foot-contacting portion is suitably defined by a 20-60° ellipse or ellipsoid, preferably a 35-40° ellipse or ellipsoid.
  • a lift in the range 10-25 mm is obtained when rolling the device over a distance of about 5 cm.
  • the device becomes difficult to operate. Further, if the difference is too small, the object will tend to approximate too much to a smooth cylinder and may roll around floor in an uncontrolled fashion, providing a hazard to other people.
  • the body may comprise at least two parts which fit together for use.
  • the parts may define between them a space for enclosing objects.
  • the shape must be constructed in a way, known to the person skilled in the art, so that it can bear the weight of at least the leg of a fully grown adult.
  • the body may comprise two geometrically similar parts, one of which is slidably mounted in the other, so that the device may be opened like a telescope.
  • the present invention further provides a method of exercising the foot, comprising placing an exercise device according to the invention between the instep of the foot and a floor surface and rocking, oscillating or rolling the foot and the device backward and forwards.
  • the device may be used substantially silently, as it does not require hinges or other moving parts.
  • the device may be prepared for use simply by placing it on the ground, making it easy to operate.
  • the device is formed of material, thickness and size which allow its weight way to be small.
  • the weight is in the range 50-250 gms more preferably 100-150 gms.
  • Optional feature of the invention may include a timer device for setting off a warning, for example a flashing light, buzzer or other device for alerting a user that it is time to exercise.
  • a timer device for setting off a warning, for example a flashing light, buzzer or other device for alerting a user that it is time to exercise.
  • the lifting motion imparted to the leg may be taken up by movement of the foot or movement of the whole leg, according to the preference of the user.
  • FIG. 1 shows in perspective, the general configuration of the oscillator.
  • FIG. 2 shows in perspective, the oscillator in position under the in step.
  • FIG. 3 illustrates in end view, the alternating positions of the oscillator.
  • FIG. 4 illustrates the top and underside details of the oscillator.
  • FIG. 5 shows the oscillator in two parts.
  • an oblong, oval-shaped oscillator 7 which may be of solid or hollow construction, is designed to function under and across the instep of the foot whilst supporting the full weight of the leg and foot on its upper surface, as indicated by the arrows, and with the underside being in contact with the floor at 8 .
  • the oscillator and foot may then be rocked backwards and forwards on the spot by applying alternate pressure with the ball of the foot and heel, with shoes on or off.
  • the oscillator 7 is symmetrical in design so that either surface may provide the floor-contacting surface or the foot-contacting surface.
  • the oscillator 7 is shown in position with the leg near vertical and arrows indicating the rocking motion of the foot.
  • the central principle employed in the oscillator is that the dual cam effect of the rocking ellipsoid, reacting with the floor, lifts either the front or back of the foot as it is progressively rotated so that the following occurs.
  • Diagram A shows the oscillator rocked forwards by pressure on the ball of the foot so that the rear lobe of the ellipse has risen, giving an increase in height shown at C which is lifting the heel and increasing the angle of the foot to the horizontal plane so as to fully flex the calf muscles.
  • Diagram B shows the oscillator rocked backwards by downward pressure of the heel which is lifting the front of the foot and also increasing its angle to the horizontal plane so as to fully flex the calf muscles in reverse.
  • the ‘pumping’ effect of the calf muscles can thus be controlled and varied depending on the degree of effort applied to the rocking action, affecting the angle of the foot.
  • the oscillator may also have an asymmetrical, or egg-shaped, outer profile which provides a variation in lift characteristics, if required.
  • the plan view of the upper and lower surfaces of the oscillator shows lateral ridges 9 which improve grip and control slippage at the foot and floor interfaces when in use.
  • end cap(s) 10 may be removable to access items that may be kept within.
  • the oscillator may be constructed of two separate halves with the horizontal join surfaces shown at 11 .
  • the oscillator may function as a single unit if the halves are joined together, or it may be separated to provide two units that may be used with the flat surfaces uppermost in contact with the feet.
  • the oscillator 7 shown in FIGS. 1 and 5 of the drawings comprises an elliptical sectioned prism.
  • the width along the major axis is 57 mm and the depth along the minor axis is 33 mm, corresponding to a 36° ellipse.
  • the prism section is preferably of length of 106 mm.
  • the device is formed of thermoplastic material and weighs 120 gms.
  • the subjects were seated and totally inactive for the initial two hours so that the fall off in venous outflow could be monitored in both legs. Thereafter, at half hourly intervals, the right foot were exercised for one minute duration using the device of FIG. 1 and the Vo readings were taken 15 minutes after cessation of exercise. Exercise was conducted every 30 minutes for one minute only.
  • venous outflow from the unexercised left leg was reduced by 43.5%.
  • venous outflow in the right leg 15 minutes after exercise was ceased had only reduced by 19.57%.
  • venous capacitance was measured. The venous capacitance of the left leg after two hours had increased by 34.66% whereas it had only increased by 30.1% in the right leg.

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Finger-Pressure Massage (AREA)
  • Massaging Devices (AREA)
  • Rehabilitation Tools (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
US10/494,118 2001-10-31 2002-10-31 Exercise device to prevent dvt Abandoned US20050043149A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/962,073 US20110098614A1 (en) 2001-10-31 2010-12-07 Method for treating, preventing or ameliorating dvt

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0126063.7A GB0126063D0 (en) 2001-10-31 2001-10-31 Under foot oscillator
GB0126063.7 2001-10-31
PCT/GB2002/004944 WO2003037446A1 (en) 2001-10-31 2002-10-31 Exercise device to prevent dvt

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/962,073 Division US20110098614A1 (en) 2001-10-31 2010-12-07 Method for treating, preventing or ameliorating dvt

Publications (1)

Publication Number Publication Date
US20050043149A1 true US20050043149A1 (en) 2005-02-24

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
US10/494,118 Abandoned US20050043149A1 (en) 2001-10-31 2002-10-31 Exercise device to prevent dvt
US12/962,073 Abandoned US20110098614A1 (en) 2001-10-31 2010-12-07 Method for treating, preventing or ameliorating dvt

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Application Number Title Priority Date Filing Date
US12/962,073 Abandoned US20110098614A1 (en) 2001-10-31 2010-12-07 Method for treating, preventing or ameliorating dvt

Country Status (11)

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US (2) US20050043149A1 (https=)
EP (1) EP1439889B1 (https=)
JP (1) JP2005507292A (https=)
CN (1) CN1596143A (https=)
AT (1) ATE420701T1 (https=)
AU (1) AU2002339079B2 (https=)
CA (1) CA2468491C (https=)
DE (1) DE60230897D1 (https=)
ES (1) ES2320982T3 (https=)
GB (1) GB0126063D0 (https=)
WO (1) WO2003037446A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8814768B1 (en) 2013-06-28 2014-08-26 Seong Sam Yang Stability exercise device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4825186B2 (ja) * 2007-09-27 2011-11-30 チャコット株式会社 新体操用こん棒及びその製造方法
US20130190151A1 (en) * 2012-01-25 2013-07-25 Jason Scholder Kinesiological support system and method of use
US11324998B2 (en) * 2019-04-15 2022-05-10 James Amis Device for isolated static stretching of the gastrocnemius (calf) muscle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8814768B1 (en) 2013-06-28 2014-08-26 Seong Sam Yang Stability exercise device

Also Published As

Publication number Publication date
ATE420701T1 (de) 2009-01-15
WO2003037446A1 (en) 2003-05-08
US20110098614A1 (en) 2011-04-28
CA2468491C (en) 2010-12-14
EP1439889A1 (en) 2004-07-28
CA2468491A1 (en) 2003-05-08
CN1596143A (zh) 2005-03-16
EP1439889B1 (en) 2009-01-14
DE60230897D1 (de) 2009-03-05
AU2002339079B2 (en) 2009-04-30
JP2005507292A (ja) 2005-03-17
GB0126063D0 (en) 2001-12-19
ES2320982T3 (es) 2009-06-01

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