Lumbar Selective Stabilization Support/Brace
A lumbar support device and a selective stabilization support device for use in treating mechanical lower back pain. The lumbar support device includes a semi-rigid member for positioning around the user's abdomen. The semi-rigid member helps to prevent excessive trunk bending by the patient. At least one and preferably two tensioning straps are also provided connectable at first and second end regions to a surface of the semi-rigid member. The strap or straps are provided to encircle the user's torso to maintain the lumbar support device in position. An adjustable attachment means, for example in the form of a clip, is attached to the straps. The adjustable attachment means is movable laterally along the strap. A pad base is provided on the adjustable attachment means, the pad base being movable with the adjustable attachment means such that its position at the lumbar region of the patient can be varied.
This is a division of Ser. No. 11/247,472 filed Oct. 11, 2005, now U.S. Pat. No. 7,507,214 entitled “Lumbar Selective Stabilization Support/Brace”.
BACKGROUND OF THE INVENTIONIn a principal aspect the present invention relates to a lumbar support device, a selective stabilization support device and a method of treating mechanical lower back pain using a lumbar support device. In particular, the present invention relates to a versatile lumbar support device and a versatile selective stabilization support device for providing selective stabilization of a localized area of a patient's back or neck.
Mechanical back pain is a problem that affects a large proportion of the population at some point in their lives. The pain often occurs as a result of damage to the discs that are provided between the vertebrae in the spine. Damage to these discs can, in turn, result in more pressure being applied to nerve roots, which leads to pain. As people get older, the discs lose hydration and tend to narrow, thus increasing the pressure on the nerve roots. In younger people, the fibers that form the outer walls of the intervertebral discs can become damaged, resulting in fissures in the outer walls of the discs. As the fibers break down, the gel-like substance contained within the disks leaks out, reducing the effectiveness of the discs and increasing the pressure on the surrounding nerves and ligaments. The resulting instability can reduce or block a patient's range of movement and cause pain, weakness and sensory changes. Another cause of back pain is spondylolisthesis, an instability caused by the shifting of one vertebra over another. These types of damage to the spine often occur gradually as a result of poor posture and excessive bending of the back.
At present, mechanical back pain such as that described above is often treated by prescribing drugs to the patient. However, although drugs may reduce the pain experienced by the patient and may reduce the inflammation, they do not address the underlying cause of the pain. Furthermore, surgery is sometimes used to address problems in the spine, for example to remove a damaged segment and to fuse the neighboring vertebrae. Surgery, however, is expensive and invasive, and often does not provide a long lasting solution.
In addition, methods and devices are known for rigidly bracing a patient's back, such as that disclosed in U.S. Pat. No. 5,259,831 for applying rigid thermoplastic panels to the chest and back of a patient to brace the patient's back. The panels provide general support over a large region of the patient's back, but severely restrict the movement of the patient.
Furthermore, devices are also known for providing general support to the lower back region to reduce the likelihood of damage occurring or to treat injury. For example, U.S. Pat. No. 6,319,217 discloses a lumbosacral support pad comprising a moisture-curable resin that hardens upon curing to form a rigid structure that retains its post-curing shape. The support pad is cured in situ on the patient's back such that the resin adopts the contours of the patient's back. Thereafter, the support pad provides general support over the lumbar region of the patient's back. In U.S. Pat. No. 6,666,838 there is disclosed a low profile lumbo-sacral orthosis for providing general support to a patient's back to reinforce proper body ergonomics.
These prior art devices are, however, only able to provide general support over the patient's lumbar region. In treating disc derangement, it is desirable to centralize the pain and to therefore reduce the extent of peripheralization, which is the radiation of the pain from a central region to distal regions of the body. For example, back pain may radiate down a patient's legs or other regions.
A known and respected technique for helping to analyze and treat a patient's back pain is the McKenzie Approach. The McKenzie approach involves an organized and systematic mechanical evaluation, categorization and treatment technique for helping to centralize and manage a patient's back pain. According to this approach, the patient's back pain is analyzed by considering the patient's history of back pain, their symptoms, the factors that aggravate or improve the pain and by classifying the pain according to a series of sub-classifications. The McKenzie approach can be used, for example, to determine whether a patient has a central lesion of a disc, or a lesion to one side of the disc, and can help categorize mechanical lesions. Furthermore, the McKenzie approach is used to determine the optimum locations, directions and quantities of pressure to apply to selected locations on the patient's back in order to stabilize and centralize the pain.
The patient can then be maneuvered into particular positions by a therapist to help to centralize the pain. This approach is generally successful at helping to reduce a patient's symptoms. However, it is not possible to maintain a patient in these positions such that they are provided with selective stabilization of localized regions of the back for a prolonged period of time. Furthermore, the prior art devices outlined above are not able to provide versatile selective stabilization.
It is therefore desirable to provide support devices that are capable of providing the necessary localized support to selected regions of a patient's back. Furthermore, it is desirable that such support devices be easy to don and doff, comfortable to wear and configurable to different configurations so as to provide the desired support.
SUMMARY OF THE INVENTIONBriefly, the present invention comprises a lumbar support device for providing localized support to a lumbar region of a user comprises: a semi-rigid member for positioning around the user's abdomen, the member being shaped to generally conform with the contours of the user's abdomen; at least one tensioning strap connectable at first and second end regions to attachment means provided on a surface of the semi-rigid member, the at least one tensioning strap being provided to encircle the user's torso so as to maintain the lumbar support device in position; a clip slidably mounted on the at least one tensioning strap, the clip being movable along the at least one tensioning strap; a pad base mounted on the clip, the pad base being movable with the clip along the at least one tensioning strap such that its position at the lumbar region of the user can be varied; and at least one pad mounted on the pad base, the at least one pad being provided to apply pressure to a localized area of the user's lumbar region.
In one embodiment, two tensioning straps are provided, the tensioning straps crossing at the clip. In addition, the clip is preferably a triangular adjustment clip through which the two tensioning straps pass.
In another embodiment, an additional tensioning strap is provided, the additional tensioning strap being connectable at first and second end regions to the surface of the semi-rigid member and being provided with an adjustable attachment means, such as another clip. Another pad base may be mounted on the adjustable attachment means.
In a still further embodiment, the attachment means comprises one or more adhesive strips provided on a front surface of the semi-rigid member, the adhesive strips engaging with material provided at the said first and second end regions of the said at least one tensioning strap.
In addition, the at least one pad is preferably attached to the pad base by means of an adhesive material, such that it is detachable from the pad base. The at least one pad may comprise a compressible material, such as a foam or rubber material. Preferably, the at least one pad is selected from a group of pads having a range of different shapes, sizes and densities. Selection of the at least one pad is made depending upon the location to which it is to be applied and the required pressure to be applied.
Furthermore, the semi-rigid member may comprise a molded base plate having a generally curved shape so as fit comfortably around the user's abdomen.
In a further embodiment, the lumbar support device may further comprise a pair of stabilizing straps, each stabilizing strap being attached at a first end to the pad base or at least one pad and at a second end to the surface of the semi-rigid member. In use, each stabilizing strap passes under the user's crotch. These straps help to maintain the lumbar support device in the desired orientation on the user's body. In particular, they prevent the device from sitting too far (high) up the user's torso.
In a still further embodiment, one or more additional pads may be attached to the at least one tensioning strap at different positions along the strap. Suitable means may be provided on the tensioning strap or straps for attachment of the additional pad or pads. The means may, for example, comprise regions of adhesive material provided on the tensioning strap or straps.
The tensioning strap or straps enable the lumbar support device to be securely fitted around the user's body, such that the device does not slip from its optimal position. Furthermore, adjustment of the straps helps to enable a desired force to be exerted from the pad or pads on the selected localized regions of the patient's back.
According to a second aspect of the invention, there is provided a lumbar support device for providing localized support to a lumbar region of a user, comprising: a semi-rigid member for positioning around the user's abdomen, the member being shaped to generally conform with the contours of the user's abdomen; at least two tensioning straps, the tensioning straps being provided to encircle the user's torso so as to maintain the lumbar support device in position, each said tensioning strap being connectable at first and second end regions to the semi-rigid member, the said tensioning straps being connected by a single, adjustable attachment element to at least one compressible pad, the at least one compressible pad being provided to apply pressure to a localized area of the user's lumbar region.
According to an embodiment of the lumbar support device according to the second aspect of the invention, the said tensioning straps cross over at the said single, adjustable attachment element.
Furthermore, according to a further embodiment of the lumbar support device, the said single, adjustable attachment element comprises a triangular adjustment clip, through which the said tensioning straps pass, and a pad base attached to the triangular adjustment clip and to the at least one pad.
In an alternative embodiment of the lumbar support device, the said single, adjustable attachment element comprises a pad supporting material in which a pad support is wrapped, the pad supporting material being tied around the said tensioning straps such that the pad support can be moved along the tensioning straps to the desired lumbar region of the user.
In a still further embodiment of the lumbar support device, the attachment means comprises one or more adhesive strips provided on a front surface of the semi-rigid member, the adhesive strips engaging with material provided at the first and second end regions of the tensioning straps.
In addition, the at least one compressible pad preferably comprises a foam or rubber material.
According to a third aspect of the invention, there is provided a lumbar support device for providing localized support to a lumbar region of a user, comprising: a semi-rigid member for positioning around the user's abdomen, the member being shaped to generally conform with the contours of the user's abdomen; at least two tensioning straps, the tensioning straps being provided to encircle the user's torso so as to maintain the lumbar support device in position, each said tensioning strap being connectable at first and second end regions to the semi-rigid member and each tensioning strap being connected by an adjustable attachment element to a pad support; and at least one pad connected with the pad support, the at least one pad being provided to apply pressure to a localized area of the user's lumbar region.
According to an embodiment of the above lumbar support device, the at least two tensioning straps are connected to the same pad support.
According to an alternative embodiment of the above lumbar support device, each of the tensioning straps is connected to a separate pad support.
According to a fourth aspect of the invention, there is provided a selective stabilization support device for providing localized support to a mid-back region of a user, comprising: a base pad for providing localized support to the mid-back region of the user; a holder in which the base pad is contained, the holder being provided with attachment means; two transverse stabilization straps, each connectable at a first end region to the attachment means of the holder and each extending, in use, over a shoulder of the user and substantially vertically down the chest and torso of the user to terminate at a second end region at a leg portion of the user; and two diagonal support straps, each attached at a first end region to the attachment means of the holder and each extending, in use, away from the holder around a side of the user to attach at a second end region to a respective one of the transverse stabilization straps.
According to an embodiment of the selective stabilization support device, a lower neck selective stabilization pad may be attached to one of the transverse stabilization straps or may be provided on a lower neck stabilization strap attached to the holder.
According to another embodiment of the device, a lateral stabilization strap is provided, the lateral stabilization strap being connectable to the attachment means of the holder and extending substantially horizontally around the back and chest of the user in use.
According to another embodiment, the selective stabilization support device further comprises an anterior stabilization strap attached at a first end to one of the transverse stabilization straps and at a second end to the other of the transverse stabilization straps. The anterior stabilization strap may be attached to the transverse stabilization straps by means of an adhesive material.
In a still further embodiment, the second end region of each of the transverse stabilization straps has a clip for attachment to a sock of the user. In addition, one or more leg loop straps may be provided, each being attachable to one of the transverse stabilization straps and, in use, extending around a leg of the user. Furthermore, each transverse stabilization strap may form a loop section around the user's knee, so as not to restrict the user's range of movement.
Preferably, the attachment means provided on the holder comprises regions of adhesive material for attachment to suitable material provided on the straps. In this way, the various straps can be attached and released as desired, enabling different sizes (lengths) of straps to be attached to a particular pad and holder. Alternatively, some or all of the straps may be attached to the pad holder using clips, particularly metal or plastic clips.
Furthermore, the straps are preferably adjustable using adjustment means provided on the straps, such that the lengths of the straps may be adjusted to suit the particular user, and to ensure that the straps are taut in use. Suitable adjustment means may be buckles such as those found on life vests.
According to a fifth aspect of the invention, there is provided a method of applying a lumbar support device to treat mechanical lower back pain of a patient, the method comprising: determining that the back pain is mechanical in origin; evaluating the nature and location of the pain; classifying the pain according to a classification system; positioning a semi-rigid member of the lumbar support device around the user's abdomen, the member being shaped to generally conform with the contours of the user's abdomen; adjusting at least one tensioning strap connected at first and second end regions to a surface of the semi-rigid member, the at least one tensioning strap encircling the user's torso so as to maintain the lumbar support device in position; selecting a pad having a particular size, shape and density for attachment to the at least one tensioning strap; adjusting the position of the pad relative to the lumbar region of the patient, such that the pad is positioned at a selected localized area of the lumbar region of the patient; and adjusting the tension of the at least one tensioning strap to exert a desired amount of pressure on the localized area using the pad.
According to the fifth embodiment of the invention, a lumbar support device is used in conjunction with the McKenzie approach for determining the nature of mechanical lower back pain to treat the pain. By combining the lumbar support device with such an approach (or other techniques), effective treatment can be provided. Furthermore, a similar method of treatment may be provided by combining the selective stabilization support device with the McKenzie Approach, with physical therapy spinal stabilization exercises or other suitable approaches.
In the detailed description which follows, reference will be made to the drawing comprised of the following figures:
Referring to the figures,
The metal adjustor clip 11 is formed of two substantially triangular elements connected to one another at the corner regions, with a gap provided between the elements. A plan view of the clip can be seen in
One or more pads 13 can be attached to the pad base, as shown in
The pads 13 may comprise a compressible material, such as a foam or rubber material. For example, they may comprise EVA compressed foam and/or urethane foam. The different pad sizes, shapes and densities make it possible to customize significant lateral and/or medial support, such as to provide the lateral or medial support required to help centralize ipsilateral back and leg pain. In particular, the different pads allow for selective stabilization at different levels, and make it possible to provide a large quantity of lateral force (providing posterior to anterior medial support) and/or lateral to medial support.
It can also be seen in
The tension in the tensioning straps 3, 4 can be varied by fastening the said first 5, 6 and second 7, 8 end regions to different ones of the vertical strips of adhesive material (constituting the attachment means) provided on the front surface of the semi-rigid member 2. In addition, the angle of pull of the straps can be altered, depending upon the vertical position of attachment to the strips of adhesive material. This in turn helps to ensure that the device is securely and comfortably fitted, and that the required tension is exerted by the pad or pads 13.
As a modification of the lumbar support device according to the above embodiment, a pair of stabilizing straps 25, 26 may be provided additionally.
By providing an additional tensioning strap 15 in this manner, it is possible to hold a larger pad base (with a pad or pads mounted thereon) in position at a desired localized region of a user's back. The additional tensioning strap enables the larger pad base to be held tightly against the user's back, to ensure that the desired support is provided to the selected region.
Alternatively, the additional tensioning strap 15 enables a second pad base 19 to be provided on the user's back in addition to the first pad base 12. Furthermore, although in the figure the second pad base is shown at a central region of the user's back, immediately above the first pad base, the position of the second pad base 19 may be varied by moving the single, adjustable attachment means 18 laterally along the additional tensioning strap. In this way, localized support can be provided by the lumbar support apparatus to two quite separate regions of the user's back, providing versatile lateral and medial support functions.
The pad support and adjustable attachment means are shown in more detail in
In a modification of each of the above described first to fourth embodiments, one or more additional pads may be attached to the tensioning straps at a position or positions different from that of the above described adjustable attachment elements. Such pads may be attached to one of the tensioning straps using an adhesive material, for example. Thus, the lumbar support devices may be configured to best suit a particular patient's needs.
As can be seen in
In addition, in the embodiment of
As already mentioned above, the pad support 52 is enclosed within the pad holder 51. A more detailed view of the pad support, pad holder and central lower neck pad 60 is shown in
Furthermore, additional pads may be attached to the pad holder to generate the required pressure on a localized area of the user's mid-back region. Accordingly, as in the first to fourth embodiments, different pad sizes, shapes and densities may be chosen by a therapist to best suit the user's individual needs for selective stabilization. Thus, pads of various shapes such as those shown in
The lumbar support and selective stabilization devices according to the various embodiments of the invention enable selective stabilization of a patient's back to be achieved for long periods of time. In particular, the lumbar support devices are designed specifically to centralize mechanical lumbar radiating pain in a manner that complements the McKenzie approach to mechanical back pain.
Furthermore, lumbar support devices according to embodiments of the invention are versatile, enabling the required selective stabilization to be performed at a required lateral and medial position. In particular, the movable adjustable attachment element enables the pads to be positioned at the precise location required. Furthermore, the different pad sizes, shapes and densities, together with the tensioning straps, allow for adjustment of the applied pressure to suit the particular needs of the patient.
In addition, the semi-rigid abdominal member prevents excessive trunk bending by the patient, and thus helps to prevent the occurrence of further damage. This member, together with the pads, also helps to teach correct posture to the patient. Furthermore, the device allows some spinal movement. If the spine is immobilized to too great an extent, this can be detrimental to the segments above and below the disk lesion, particularly if the spine is immobilized for a large period of time. For example, if the spine does not move adequately, over a prolonged period, to allow synovial fluid to bathe cartilage between facet joints, this can predispose an individual to accelerated osteoarthritis in these regions. Here, advantageously, the lumbar support device provides selective stabilization where it is required, but allows the spine to move in the regions where the selective stabilization is not required.
Thus, according to a further embodiment of the present invention, a method of treating mechanical lower back pain is provided. The method entails the use of the McKenzie or similar technique to determine the nature of the patient's lower back pain, and the fitting of a lumbar support device, as described above, to help to treat the pain in combination with the mobilization and other exercises of the McKenzie or other technique.
Variations of the arrangement of support members, straps and fasteners may be incorporated in further embodiments of the invention. Thus the invention is to be limited only by the following clams and equivalents thereof.
Claims
1. A selective stabilization support for providing localized support to a mid-back region of a patient, comprising, in combination:
- a base pad for providing localized support to the mid-back region of the patient;
- a holder in which the base pad is contained, the holder being provided with attachment means;
- two transverse stabilization straps, each connectable at a first end region to the attachment means of the holder and each extending, in use, over a shoulder of the patient and substantially vertically down the chest and torso of the user to terminate a second end region at a leg portion of the patient; and
- two digital support straps, each attached at a first end region to the attachment means of the holder and each extending, in use, away from the holder around a side of the patient to attach at a second end region to a respective one of the transverse stabilization straps.
2. The selective stabilization support device according to claim 1 further comprising: a lateral stabilization strap connectable to the attachment means of the holder and extending substantially horizontally around the back and chest of the user in use.
3. The selective stabilization support device according to claim 1 further comprising a lower neck selective stabilization pad attached to one of the transverse stabilization straps or provided on a lower neck stabilization strap attached to the holder.
4. The selective stabilization support according to claim 1 wherein the attachment means provided on the holder comprises regions of adhesive material.
5. The selective stabilization support according to claim 1 further comprising an anterior stabilization strap attached at a first end to one of the transverse stabilization straps and at a second end to the other of the transverse stabilization straps.
6. The selective stabilization support according to claim 1 wherein the second end region of each of the transverse stabilization straps has a clip for attachment to a sock of the patient.
7. The selective stabilization support according the claim 1, further comprising one or more leg loop straps each attachable to one of the transverse stabilization straps and, in use, extending around a leg of the patient.
Type: Application
Filed: Mar 23, 2009
Publication Date: Aug 13, 2009
Inventor: Louis Voigt Smith, JR. (Tomahawk, WI)
Application Number: 12/409,131
International Classification: A61F 5/00 (20060101);