NZ703704B2 - Therapeutic support for being worn by a subject - Google Patents
Therapeutic support for being worn by a subject Download PDFInfo
- Publication number
- NZ703704B2 NZ703704B2 NZ703704A NZ70370412A NZ703704B2 NZ 703704 B2 NZ703704 B2 NZ 703704B2 NZ 703704 A NZ703704 A NZ 703704A NZ 70370412 A NZ70370412 A NZ 70370412A NZ 703704 B2 NZ703704 B2 NZ 703704B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- support
- person
- protuberances
- garment
- resilient
- Prior art date
Links
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/06—Bandages or dressings; Absorbent pads specially adapted for feet or legs; Corn-pads; Corn-rings
- A61F13/08—Elastic stockings; for contracting aneurisms
- A61F13/085—Openable readjustable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/14—Bandages or dressings; Absorbent pads specially adapted for the breast or abdomen
- A61F13/143—Thorax bandages or bandaging garments
- A61F13/145—Thorax bandages or bandaging garments specially adapted for the female anatomy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/30—Pressure-pads
-
- 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
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/008—Apparatus for applying pressure or blows almost perpendicular to the body or limb axis, e.g. chiropractic devices for repositioning vertebrae, correcting deformation
Abstract
garment is disclosed that is adapted for the prevention or treatment of the accumulation of fluid in the body of a person, including one or more portions of the inner surface of the garment, each portion faced with a flexible support which is adapted in use to engage the skin of the person, the flexible support being formed from at least an inner and an outer fabric layer, and having encapsulated resilient components between the inner and outer layers and integral therewith, so as to form an array of resilient protrusions on the inner surface of the garment. The garment can be fitted so as to operatively provide an engagement between the array of resilient protrusions and the skin of the person in a first active state and a second stationary state, such that in the first active state operatively muscle movement of the body of the person induces a passive massaging action by the resilient protrusions, the passive massaging action comprising repetitive differential pressures and concomitant slight movement in the location of the differential pressure being applied by the resilient protrusions to the body of the person in the area of engagement, and in the second stationary state operatively the garment does not exert a pressure on the body of the person so that the garment does not substantially move or prevent the movement of lymphatic fluid. exible support being formed from at least an inner and an outer fabric layer, and having encapsulated resilient components between the inner and outer layers and integral therewith, so as to form an array of resilient protrusions on the inner surface of the garment. The garment can be fitted so as to operatively provide an engagement between the array of resilient protrusions and the skin of the person in a first active state and a second stationary state, such that in the first active state operatively muscle movement of the body of the person induces a passive massaging action by the resilient protrusions, the passive massaging action comprising repetitive differential pressures and concomitant slight movement in the location of the differential pressure being applied by the resilient protrusions to the body of the person in the area of engagement, and in the second stationary state operatively the garment does not exert a pressure on the body of the person so that the garment does not substantially move or prevent the movement of lymphatic fluid.
Description
THERAPEUTIC SUPPORT FOR BEING WORN BY A SUBJECT
FIELD OF THE INVENTION
The present invention relates to a therapeutic support for use in situations where
a subject has, or is at risk, of aberant tissue fluid accumulation arising from surgery or
other causes. A method for using the support in the prophylaxis or treatment of such
fluid accumulation is also described.
BACKGROUND OF THE INVENTION
Oedema is the accumulation of fluid in tissues and/or cavities of the body
producing swelling and can result from various causes such as injury, surgery, tissue
inflammation, and systemic or local physiological conditions. Lymphoedema is one
example of oedema.
The lymphatic system is part of the circulatory system and comprises a network
of lymph vessels known as lymphangions which link lymph nodes together and function
to return interstitial fluid to the bloodstream. Lymph nodes are organs of the immune
system and are major sites of infection and toxin control by immune cells. Like veins,
lymphangions have one-way valves to prevent backward flow. When blood passes
through capillary beds under the action of the heart, blood plasma enters adjoining
tissues delivering oxygen and nutrients. Most of this fluid is returns to veins but some
(about 10%) remains. This fluid enters the lymphatic system taking with it proteins, fats,
cellular substances and toxins that are transported to lymph nodes by lymph vessels,
prior to the transport of the "lymph" fluid to the bloodstream. Bacteria and viruses can
also be transported by the lymph vessels to lymph nodes where immune cells can
respond. The lymphatic system does not have its own pump and lymph moves
unidirectionally through lymph vessels by the contraction of muscles and body
movements, and extrinsic compression of lymph vessels by externally applied forces.
Cancer cells can metastasise from the site of the primary tumor to remote areas in
the body via the lymphatic system. As a result it is common practice such as in breast
cancer to identify the "sentinal" lymph node(s) to which the lymph in the area of the
cancerous tissue initially drain using weak radioactive and/or coloured dyes, and to
remove those nodes. If cancer cells are found in the sentinal node(s) indicating invasive
spread of the cancer and/or it is deemed warranted by the nature or extent of the cancer,
upstream clusters of auxiliary lymph nodes can be removed in subsequent surgery. In
the case of breast cancer, this is typically from the armpit region of the subject
The removal of lymph nodes can substantially impair the ability of the lymphatic
system to drain lymph from the affected area, resulting in stagnation and retention of
lymph causing swelling (lymphoedema), and associated inflammation of tissues. More
generally, lymphoedema is a condition that occurs when the lymphatic drainage system
is impaired to the extent that the volume of lymphatic fluid within a given area exceeds
the capacity of the lymphatic transport system to remove it. It has, for example, been
reported that 25% of mastectomy patients develop lymphoedema, the development of
which may take up to 3 years post surgery. Lymphoedema may also be caused by lack
of muscle tone, certain diseases and conditions, tissue trauma arising from accidents, and
for example, compromise of the lymphatic system due to cellulitis. There is no known
cure for lymphoedema, and the symptoms can only be managed.
The swelling and inflammation associated with lymphodema can be painful and
result in significant deformity of tissues and limbs causing substantial distress and
incapacity to the sufferer. Tissues with lymphoedema are also at increased risk of
infection. In more serious cases, fibrosis/hardening of the affected tissue can occur.
Lymphoedema is commonly treated with the intermittent use of compression
bandaging, socks or sleeves, and/or gentle repetitive massaging of the area to drain the
accumulated lymph. If the pressure applied is too great, lymphatic vessels can be
overly compressed, blocking the lymphatic pathway. Conventional compression
garments can be bulky thereby restricting movement of the subject, and may be
uncomfortable or not suitable to wear in hot and/or humid climates. Sports
compression garments typically provide little assistance to lymphoedema, and it is
believed there are no compression garments that are generally commercially available
that assist with the treatment of lymphoedema of the lower torso and genital area.
Moreover, lymphatic massaging requires training to master, is time intensive, and only
lasts as long as the massaging session.
Hence, whilst such current treatments are useful, they may only be of limited
assistance and there is an ongoing need for improved or alternate therapies for
lymphoedema.
SUMMARY OF THE INVENTION
According to a first aspect, the invention provides a garment adapted for the
prevention or treatment of the accumulation of fluid in the body of a person, including one
or more portions of the inner surface of the garment, each portion faced with a flexible
support which is adapted in use to engage the skin of the person, the flexible support being
formed from at least an inner and an outer fabric layer, and having encapsulated resilient
components between the inner and outer layers and integral therewith, so as to form an
array of resilient protrusions on the inner surface of the garment, the garment being fitted so
as to operatively provide an engagement between the array of resilient protrusions and the
skin of the person in a first active state and a second stationary state, such that in the first
active state operatively muscle movement of the body of the person induces a passive
massaging action by the resilient protrusions, the passive massaging action comprising
repetitive differential pressures and concomitant slight movement in the location of the
differential pressure being applied by the resilient protrusions to the body of the person in
the area of engagement, and in the second stationary state operatively the garment does not
exert a pressure on the body of the person so that the garment does not substantially move
or prevent the movement of lymphatic fluid.
In another aspect of the invention there is provided flexible support for the
prophylaxis or treatment of the accumulation of a fluid in the body of a subject in need
thereof, wherein the support has a plurality of protruberances for respectively applying
with, or subject to, accumulation of
localised pressure to an area of the subject's body
the fluid, the support being configured to be worn by the subject over the area and press
the protruberances against the body of the subject, and wherein the protruberances are
spaced apart from one another about a face of the support.
In yet another aspect embodied by the invention there is provided a method for
the prophylaxis or treatment of the accumulation of a fluid in the body of a subject,
comprising:
providing a flexible support having a plurality of protruberances for respectively
applying localised pressure to an area of the subject's body with, or subject to,
accumulation of the fluid, the protruberances being spaced apart from one another about
a face of the support; and
placing or fitting the support over the area whereby the support is retained in
position and the protruberances press against said area, for the support to be worn by
the subject. Typically, the protruberances are flexible and can be partially compressed
when pressed against the body of the subject. Typically, the support comprises a
backing about which the protruberances are spaced apart from one another. Most
typically, the protruberances are arranged in a regular pattern about the backing.
Typically, the protruberances are defined by raised elements diposed on the
backing.
Typically, the raised elements are fixedly mounted to the backing.
Typically, the support comprises front and rear layers of webbing between
which the raised elements are retained, the rear layer of the webbing being the backing
on which the raised elements are disposed, and the raised elements forming the
protruberances in the front layer of the webbing.
Typically, the front and rear layers of the webbing are fixed together between
the protruberances forming respective compartments of the webbing that house the
raised elements.
Typically, the front and back layers of the webbing are secured together by
seams. Most typically, the seams are sewn seams.
Typically, the front layer of the webbing generally conforms to the shape of the
raised elements thereby forming the protruberances and restraining the raised elements
against collapse.
The raised elements may be interconnected to one another. In at least some
embodiments the raisedelements can be fluid filled (e.g., gas filled). Respective of the
raised elements can, for example, be a bubble defined by an outer membrane of the
bubble.
Typically, the support is air and moisture permeable between respective of the
protruberances in a direction from said face of the support to an opposite face of the
support so as to be "breathable". Advantageously, this may reduce the risk of
overheating and sweating under the support facilitating the wearing of the support i
warm and or humid climates.
In at least some embodiments, the support is adapted to receive, or be fastened
about, the subject's body. Most typically, the support includes fastening means for
retaining the support in position on the subject when the support is worn by the subject.
The support can, for example, be a garment (e.g., an outer garment or
undergarment), a wrap, a sleeve, or a stocking.
The accumulated fluid may, for example, be aberant fluid accumulation causing
oedema or other accumulated fluid such as lactic acid fluid build-up stemming from
racing, running, exercise or sport, haemotomas and blood accumulation in varicose
veins. Typically, the oedema is lymphoedema. However, the use of supports
embodied by the invention is not limited thereto and in one or more forms may be used
for oedema resulting from injuries to tissues or joints, surgery, tissue or joint
inflammation, and other physiological conditions.
In yet another aspect there is provided webbing with a face having
protruberances as described herein for use in the making of a therapeutic support
embodied by the invention.
More broadly, in another aspect of the invention there is provided a flexible
therapeutic support having a face with a plurality of raised protruberances for
respectively applying localised pressure to an area of the subject's body, the support
being configured to be worn by the subject over the area and press the protruberances
against the body of the subject, and wherein the protruberances are spaced apart from
one another about the face of the support.
In yet another aspect there is provided a method for therapeutic treatment of a
subject, comprising providing a flexible support having a face with a plurality of raised
protruberances for respectively applying localised pressure to an area of the subject's
body for being treated by the support, the mounds being spaced apart from one another
about the face of the support; and placing or fitting the support over the area whereby
the support is retained in position and the protruberances press against said area, for the
support to be worn by the subject.
Advantageously, in one or more forms, a support embodied by the invention
differs from a conventional compression bandage, sleeve or the like by respective of the
protruberances of the support each providing localised pressure to the region of the
subject's body on which the support is worn. That is, the pressure applied is not constant
across the support as is generally the case for conventional compression
bandaging/sleeving, there being regions between the protruberances of less or no applied
pressure. This reduces the risk of lymphatic vessels or other fluid drainage pathways
being essentially "closed" by continuous over compression as may occur with the use of
conventional compression bandaging or sleeving. In at least some embodiments, a
support in accordance with the invention may assist treating oedema or other forms of
fluid accumulation in subjects for whom the use of compression bandaging or sleeves
provides no or only limited benefit, or by the nature or location of the oedema or
accumulated fluid, the use of conventional compression bandaging or sleeving is not
suitable or practical.
Throughout this specification the word "comprise", or variations such as
"comprises" or "comprising", will be understood to imply the inclusion of a stated
element, integer or step, or group of elements, integers or steps, but not the exclusion of
any other element, integer or step, or group of elements, integers, integers or steps.
Any discussion of documents, acts, materials, devices, articles or the like that has
been included in this specification is solely for the purpose of providing a context for the
invention. It is not to be taken as an admission that any or all of these matters form part
of the prior art base or were common general knowledge in the field relevant to the
invention as it existed in Australia or elsewhere before the priority date of this
application.
The features and advantages of the invention will become further apparent from
the following detailed description of embodiments thereof together with the
accompanying drawings wherein different components and/or embodiments having the
purpose or function may be numbered similarly.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
Figure 1 illustrates an arm of a human subject with lymphoedema compared to a
normal arm;
Figure 2 is a partial view of the mounds of a fabric for use in providing a
therapeutic support embodied by the invention for the prophylaxis or treatment of
lymphoedema in a subject;
Figure 3 is a diagrammatic cross-sectional side view side of protruberances in the
form of mounds of the fabric of Fig. 2;
Figure 4 is a diagrammatic view illustrating a lymphatic vessel;
Figure 5 is a diagrammatic view illustrating the hypothesised mode of action of
the protruberances of a therapeutic support embodied by the invention in the prophylaxis
or treatment of lymphoedema;
Figure 6 shows a front view of a garment embodied by the invention in the form
of a brassier type therapeutic supportfitted inside out to the torso of a mannequin for
demonstration purposes;
Figure 7 is a side view of the garment of Fig. 6 fitted to the torso of the
mannequin;
Figure 8 is a diagrammatic side view of another garment embodied by the
invention;
Figure 9 is a diagrammatic view of another garment embodied by the invention;
Figure 10 is a diagrammatic view of another support embodied by the invention
for treating oedema in the arch and ankle of a foot; and
Figure 1 is a diagrammatic front view on a support embodied by the invention
in the form of an insert to be worn in a brassier for treatment of lymphoedema in the
right breast and underarm region of a subject.
DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS OF THE
INVENTION
A fabric 0 that can be used in the manufacture of a therapeutic support
embodied by the invention as described herein is shown in Fig. 2. The face 12 of the
fabric has a plurality of protruberances in the form of mounds 14 that are spaced apart
from one another about the face whereby they form a regular pattern of rows in both the
cross-wise and length wise direction of the fabric, the mounds being interconnected to
one another by the webbing 16 from which the fabric is made.
In the embodiment shown, each mound 14 is formed by a respective raised
mound shaped element in the form of a gas-filled "bubble" or blister 18 retained in
position between front and rear layers 22 and 20 of the webbing 16 as illustrated in
Fig. 3. More particularly, each bubble 18 comprises a sealed enclosure defined by an
outer plastic membrane and which is disposed on the rear layer 20 of the webbing. In
order to retain the bubbles 18 in position, the front layer 20 of the webbing is sewn to the
rear layer 22 defining seams generally indicated by the numeral 24 between respective of
the rows of the mounds 1 whereby the front layer of the webbing generally conforms to
the dome shaped profile of the bubbles forming individual closed compartment each
housing a single bubble 18. The compartments thereby relatively closely envelope the
respective bubbles. Although the bubbles/blisters may be partially compressed, the outer
membrane of the bubble/blister is of a thickness and strength to restrain the bubble
against complete collapse in use. Whilst each bubble 18 is generally dome shaped with
sides that taper to a rounded apex, mound shaped elements with a flattened or concaved
apex or which, for example, are generally frustonical in form, may also be utilised.
In the embodiment shown, the front and rear layers 22 and 20 of the webbing
each consist of relatively lightweight cotton cloth. As such, the fabric 10 is soft to the
touch and is permeable to air as well as moisture which may arise due to perspiration
when the fabric is worn, and so is "breathable". Accordingly, the fabric and a
therapeutic support in accordance with the invention that is made from it are suitable for
being worn in warm and/or higher humidity climates such as occur in many parts of
Australia and elsewhere during the summer months.
A jig can be used for manufacture of a therapeutic support as described herein
wherein the jig as a plurality of spaced apart openings for individual placement of the
mound shaped elements such that they protrude rearwardly from the jig. A heat reactive
adhesive (e.g., a quilting applique such as ODIF 606™ spray-on adhesive, Odif, New
Milford, CT, USA) is applied to their exposed rear surface, and a rear layer 20 of fabr i c
webbing is laid flatly over the mound elements. Heat is then applied to that layer of
webbing to activate or set the adhesive whereby the mound elements are fixed to the
webbing. This can be readily achieved by ironing the rear layer of the webbing. The
webbing is then removed from the jig and laid flatly with the attached mound elements
facing up, an excess length of the webbing is folded over the mound elements to provide
a front webbing layer 22, and the layers of the webbing are sewn together as described
above. Whilst heat reactive adhesive is particularly suitable for fixing the bubbles 8 to
the rear layer of the fabric, any suitable adhesive may be used. Moreover, and suitable
method for fixing the front and rear layers 22, 20 of the webbing together can be
employed. For example, seams fixing the front and rear layers of the webbing together
may be formed by heat or sonic welding rather than by sewing the layers togther.
Suitable "bubbles" 1 that can be utilised in the manufacture of the fabric 10 can
be provided by plastic air cell sheeting conventionally used for covering swimming
pools. The "bubbles" of plastic air cell sheeting used for packaging and for wrapping
delicate or breakable items for storage or transport purposes may also be used provided
the plastic membrane of the bubbles is of sufficient thickness and strength with
withstand the pressures applied to the bubbles during use of a therapeutic support of the
invention. However, as plastic is impermeable to air and moisture, the bubbles of the
wrapping are generally cut intact from the sheeting and sewn either individually or in the
form of perforated individual rows into position in the webbing 1 such that the wrap
does not form a continuous impermeable plastic barrier across that area of the fabric
presenting the bubbles 18. In still other embodiments, a sheet of bubbles or other mound
shaped elements that are interconnected by fine (e.g., plastic) strips, tendrils or filaments,
or which is otherwise perforated between the mound shaped elements to provide
adequate ventilation/permeability through the sheet may be employed in a therapeutic
support in accordance with the invention. Rather than "bubbles" 18, the raised mound
shaped insert elements can be in the form of mounds formed of an open or closed-cell
foamed plastics material of a predetermined density (either as individual mounds or in
sheet form), or other suitable material (e.g., polyurthane or rubberised plastics).
In use, a therapeutic support embodied by the invention is worn by the subject
such that the mounds are in direct contact with the subject's skin over the area to be
treated so as to be pressed against the skin so as to form dimple like depressions in the
skin. It is not necessary that the mounds be pressed against the skin with the same level
of pressure as a compression bandage or stocking, only a firm pressure against the skin is
desirable. In instances where, for example, oedema has arisen as a result of surgery,
depressions or cavities may be formed in the subject's body as a result of tissue removal
(e.g., a depression in the chest wall as a result of a mastectomy), such that the mounds of
the support either do not press against that region or only contact that region with less
than optimum pressure. To address this, a support embodied by the invention can be
provided with padding arranged to press the affected mounds into the depression or
cavity so as to make firm contact with the skin. For example, the support can be
provided with a rear pocket into which the padding can be inserted. The padding can,
for instance, be a prosthesis such as a breast prosthesis, a gel or fluid filled padding
element, or fabric padding. Rather than being provided in a pocket of the support, the
padding can be sewn or otherwise incorporated into the support.
The support can be worn over the region of the body exhibiting, or which is
otherwise subject to, fluid accumulation and/or the region of the subject's body where a
blockage or tissue damage (e.g., scar tissue) responsible for oedema or fluid
accumulation whether with or without visible associated syptoms such as noticeable
swelling is located (e.g., a site of surgery). For example, where a subject has
lymphoedema in the arm due to removal of auxiliary lymph nodes in the armpit region,
the Wearing of a support in accordance with the invention pressed against the area of
surgery in the armpit or chest side wall may be sufficient to assist drainage of
accumulated fluid in the arm itself by acting on scar tissue to at least partially open
lymph vessels and/or other fluid drainage pathways for passage of the accumulated fluid
from the subject's arm, even though that area does not exhibit oedema itself. The
therapeutic support in such instances may be an insert fitted inside a brassiere or other
undergarment as described further below. However, the subject may also wear a sleeve
embodied by the invention on their affected arm to alleviate the observed swelling in the
arm, though this may not be necessary in all cases. In at least some embodiments, a
therapeutic support as described herein can be provided for being worn over the oedema
affected area and an adjacent region of the body which has a blocked or restricted fluid
drainage pathway responsible for that oedema.
Further examples of areas of a subject's body which may be responsible for
oedema but which may or may not exhibit swelling or other symptoms of oedema are the
torso and groin areas. In these instances, a fluid pathway blockage in these areas such as
may arise from surgery can result in oedema in one or both legs of the subject (e.g., the
upper thigh, lower thigh and/or lower leg region(s)). In these situations, the subject may
wear a support embodied by the invention to treat the observed swelling resulting from
the oedema and/or the site of the fluid drainage pathway blockage or obstruction(s) in
the groin or torso area.
A diagrammatic view of a lymphatic vessel is illustrated in Fig. 4. The vessel
comprises one-way valves indicated by the numeral 26 which can generally be viewed as
defining respective compartments 28 along the vessel. In normal lymphatic vessels,
lymph moves through each valve from one compartment to the next as indicated by the
arrows 30 by the effect of muscle contractions and body movement as outlined above.
In lymphoedema, however, the flow of the lymph is impeded, such as by scarring,
blockages, and the removal of lymphatic vessel pathways arising from surgery.
Without being limited by theory, it is believed the mounds of a support embodied
by the invention act to apply gentle but firm localised pressure to tissues and lymphatic
vessels whereby in the case of lymphoedma, lymph is progressively driven along the
vessels and drained from the affected tissue or limb as generally illustrated by Fig. 5.
This allow more interstitial fluid to enter the lymphatic vessels from the surrounding
tissues which in turn is progressively driven along the vessels by the mounds 14 of the
support, incrementally reducing the accumulated fluid in the tissue or limb and the
associated swelling. More particularly, as indicated by Fig. 5, it is thought by the
inventor that muscle movement of the subject whilst undertaking their normal daily
activities when wearing the support results in repetitive differential pressures being
applied to the subject by respective of the mounds and/or concomitant slight movement
in the location of the pressure applied by ones of the mounds at different times. In any
event, it is believed the localised pressure applied to the subject by each mound causes
the lymph to be progressively driven along the underlying lymphatic vessels from one
compartment to the next, the return flow of the lymph being inhibited by respective of
the one-way valves of the lymphatic vessels. Moreover, the respective areas of localised
pressure applied by the mounds and slight movements of the mounds relative to the skin
in use can be thought of as providing an effect akin to passive "massaging" of the tissue
or limb affected by the oedema, the massaging continuing for as long as the support is
worn. Hence, whilst embodiments of therapeutic support as described herein have
particular application to the prophylaxis or treatment of lymphopedema, they may also
be used for other forms of oedema such as accumulated tissue fluid due to swelling
arising from sprains and other tissue injuries, as well as to alleviate the build-up of lactic
acid that may occur following racing, sports, or exercise and, for instance, the passive
massaging of varicose veins or other vascular conditions to assist passage of blood
through such vasculature.
Accordingly, the invention also extends to the provision and use of therapuetic
supports herein for effecting passive massaging of body tissues. More specifically, in
another aspect of the invention there is provided a flexible support for effective passive
massage of the body of a subject, wherein the support has a face with a plurality of
raised protruberances for respectively applying localised pressure to an area of the
subject's body, the support being configured to be worn by the subject over the area and
press the protruberances against the body of the subject, and wherein the protruberances
are spaced apart from one another about the face of the support.
Still further, there is provided a method for effecting passive massage of the
body of a subject, comprising providing a flexible support having a face with a plurality
of raised protruberances for respectively applying localised pressure to an area of the
subject's body, the mounds being spaced apart from one another about the face of the
support; and placing or fitting the support over the area whereby the support is retained
in position and the protruberances press against said area, for the support to be worn by
the subject.
An example of a therapeutic support 32 embodied by the invention is illustrated
in Fig. 6 and Fig. 7. In this instance the support 32 is a brassier type garment suitable for
use in the prophylaxis or treatment of lymphoedema or other forms of oedema in the
chest wall and/or under arm region of the tipper torso, as may occur following a
mastectomy and removal of auxiliary lymph nodes for the treatment of breast cancer.
The brassier support 32 is configured to be fitted to the subject such that the front face
subject's body. Fastening means in the form of a hook and loop tape fastening system
(e.g., Velcro™) is provided on the shoulder region of the garment to allow the subject
wearer to fasten the support in position in a firm but comfortable fit. The garment
support 32 is shown fitted to the mannequin 34 in reverse in Fig. 6 and Fig. 7 so that
mounds 14 of the garment may be readily visualised.
It will be understood that a therapeutic support 32 embodied by the invention
may be provided in various different forms. For example, the support may be a
garment such as a brassier type undergarment as shown in Fig. 6, a singlet type top, a
corset, vest, a shoulder type support, underpants (e.g., briefs or shorts) for prophylaxis
or treatment of lymphoedema or other form of oedema in the genital area, T-shirts,
stocking(s) for one or both legs, pants, a sleeve such as for the arm of a subject (e.g.,
both the lower and upper arm), a sock, and so on. In other forms; the support may be in
the form of a wrap comprising a length of fabric 10 for being wrapped around the
relevent body area (e.g., the lower abdomen or chest region) and fastened in position by
suitable fastening means such as a hook and loop tape fastening system as described
above or other fastening system such as press studs and the like. It is not necessary that
the support wrap around the entire relevant body portion of the subject.
A further therapeutic support embodied by the invention in the form of a wrap
for being worn over the upper thigh region and having a ribbon 36 threaded through
spaced apart islets 38 for being tightened and tied to hold the support in position whilst
being worn is shown in Fig. 8. Yet another embodiment is shown in Fig. 9. In this
instance, the support 40 is in the form of an undergarment comprising a leg section
generally indicated by the numeral 42 with a panel 44 having mounds 14 for being
wrapped around the lower thigh area above the knee of a subject. A strap 46 is
provided for being fastened around the waist of the subject and as with the support
shown in Fig. 8, a ribbon 36 is provided for tightening the support when worn. In a
variation of this embodiment, the panel 44 can be longer so as to extend from below the
knee to the upper thigh region of the subject. In addition, for example, underpants can
be provided with a panel having mounds 14 for being pressed against the groin region
of the subject wearing them for the prophylaxis or treatment of oedema
(e.g., lymphoedema) in that area.
Still another embodiment is shown in Fig. 10. In this instance, the support 48 is
for treating oedema in the arch and ankle region of a foot. To fasten the support in
position, a strap 50 is wrapped around the ankle and a flap of the support indicated by
the numeral 52 is wrapped over the arch of the foot, the strap and flap being fastened in
position by respective hook and loop fastening systems. For treatment of oedema in the
ball region of the sole, a support embodied by the invention of the type shown in Fig.
can be provided whereby mounds 14 are positioned so as to press against the ball
region.
In addition, the invention extends to the provision and use of supports for being
inserted into, or otherwise fitted to, undergarments or other garments as described
herein. An example of this type of therapeutic support is shown in Fig. 11 for being
fitted to a brassier. More particularly, the support insert 54 includes a breast section 56
with a rear pocket (not shown) for insertion of a breast prosthesis, and an elongate
section extending therefrom for being wrapped around the underarm region of the
subject under the strap of the brassier whereby the brassier strap presses mounds 14
against the skin of the subject. Clips 58 are provided for clipping the insert 54 to the
brassier whereby the breast section 56 is positioned across the relevant breast cup of the
brassier. To further secure the insert 54 in position, the lower margin 60 of the insert
can be wrapped about the lower edge of the brassier and also fastened to the brassier by
suitable clips or other fastening system (e.g., press studs, Velcro™ etc). In at least
some embodiments, inserts in accordance with the invention can be clipped or fastened
to convention garments, undergarments (e.g., brassiers, underpants etc), wraps and the
like, and be worn by a subject as described herein.
As yet another embodiment, an insert with integrally formed mounds 14 can be
inserted are fastened to a garment, wrap or the like to form a therapuetic support in
accordance with the invention.
Typically, a support or support insert in accordance with the invention does not
include any band (e.g., of elastic or the like) that when the support/insert is worn wraps
around the subject forming a band of constriction in the subject's skin, as this may
impede or potentially block the passage of accumulated oedema fluid under the band
and thereby, the action of the support or insert.
Whilst cotton cloth is particularly suitable for use as the webbing 16, other
materials can be employed such as cloth made from other natural and/or synthetic fibres
and yams (e.g., nylon, polyester, rayon, acrylic fibre, viscose and spandex), woven or
felted materials, elastomeric materials, and combinations of such fibres and materials
(e.g., bamboo cotton spandex combinations). Hence, the term "webbing" as used herein
is to be taken to encompass any material deemed suitable for use in a support embodied
by the invention, and is not to be restricted to a particular cloth, material or the like
unless otherwise expressly stated or implied herein. When the fabric 10 is fabricated
from synthetic fibres it may include a layer of cotton or other suitably soft material for
contact with the skin of the subject for reasons of comfort.
The care of subjects/patients post operatively typically involves education about
the risk of developing oedema, identification of the symptoms of oedema, and
physiotherapy for e.g., scar tightness, cording (i.e., a sensation of a "cord" across the
chest restricting arm movement), seroma development, and/or muscle tightness. The
development of oedema post surgery (e.g., following removal of auxiliary lymph
nodes) can take a number of years. However, there can be a sudden onset of the
swelling associated with oedema, and a subject may not be aware that the oedema has
been developing until noticeable swelling occurs. For example, there can be
accumulation of fluid in the torso area but the presence of oedema may only become
apparent with swelling of the leg or legs of the subject.
It is thought that regular gentle lymph drainage massaging of the wound and
tissues proximal thereto during and post healing of the wound may assist in maintaining
open, or otherwise developing, lymph and/or other drainage pathways through the
wound area thereby in at least the case of lymphoedema, lessening the risk of
lymphoedema occurring or potentially avoiding the development of lymphoedema in
the subject altogether. The wearing of a support embodied by the invention may
facilitate this. In any event, the wearing of a support embodied by the invention for
prophylaxis of lymphoedema is to be taken in its broadest sense as encompassing use of
the support to maintain existing oedema at a reduced, controlled level, and for instance,
to ameliorate existing oedema.
Whilst a therapeutic support embodied by the invention is particularly suitable
for the prophylaxis or treatment of oedema (e.g., lymphoedema and other forms of
oedema) in humans (both male and female), the invention is not limited thereto and
extends to the provision and use of therapeutic supports as described herein on non-
human mammals such as, but not limited to, horses, greyhounds and companion
animals (e.g., dogs and cats) and, for example, members of the bovine, porcine and
primate animal families. Indeed, at least some embodiments of therapeutc supports
embodied by the invention may have application in alleviating build-up of fluid with
high levels of lactic acid in tissues in athletes or animals (e.g., greyhounds and race
horses) following training, exercise or racing. Likewise, embodiments of the invention
may find application in treating other conditions in which passive massage by the
supports may be of assistance such as in the treatment of varicose veins (e.g. blood
pooling in varicose veins and associated varicose vein pain).
Whilst the protruberances of the embodiments described above are mound
shaped, therapeutic supports embodied by the invention may be provided with
protruberances that are other than mound shaped. Indeed, protruberances of any
suitable shape that may be utilised (e.g., e.g., protruberances having a pyrimidal shape
or a triangular, oval, elliptical, or generally square transverse cross-section).
From the above description it will be apparent that embodiments of therapeutic
supports in accordance with the invention may provide one or more of the following
advantages:
• An alternative to conventional compression bandaging for the
prophylaxis or treatment of oedema, and particularly lymphoedema;
• An option for the treatment of oedema resistant to compression
bandaging or compression sleeve treatment, or for which conventional
compression bandaging or sleeve treatment is not suitable or provides
little benefit;
• The treatment of the oedema is essentially continuous whilst the
therapeutic support is worn by the subject;
• The therapeutic support may provide "passive" fluid (e.g., lymph)
drainage massaging whilst being worn;
• There is no special training required;
• The provision of the mounds 14 may avoid or lessen the risk of
lymphatic vessel(s) and/or fluid drainage pathway(s) being held
continuously closed for the duration the support is worn as a result of
compression applied by the support, as may occur with the use of
conventional compression bandaging or compression sleeving.
• The fabric 10 used in the support is "breathable", lessening the risk of
sweating or overheating under the support occurring;
• The support can be lightweight and unobtrusive;
• A cost effective and readily accessible way of treating forms of oedema;
• The support can be used in conjuction with other therapeutic treatments
such as, but not limited to, massaging of the affected areas.
The invention will now be described further below with reference to a number of
non-limiting Examples of the use of supports embodied by the invention.
EXAMPLES: Treatment of lymphoedema in human subjects
Case 1
CP is a gynaecological cancer patient and was suffering with lymphoedema in
her groin and abdomen. Her initial management of lymphoedema involved the use of
conventional compression garments which was unsuccessful. Underpant supports with
"bubble panels" in accordance with the present invention were worn by CP for two
years and found to control the lymphoedema. CP found that lymphatic fluid built up in
her abdomen rendering her much discomfort during periods in which the garment was
not worn.
Case 2
GS is also a gynaecological cancer patient. She had tried several ways
(including compression garments) to reduce her leg and abdominal lymphoedma. After
wearing an underwear support garment having panels with mounds for being pressed
against affected areas in accordance with the invention she has reduced lymphoedema
and is now on the lowest level of compression stockings, and is expected to not require
the stockings in the near future. Her leg and abdominal swelling has reduced as well as
physical discomfort that she previously experienced. GS also noted that when she
stopped wearing the support, her swelling accumulated back to the original level which
was painful and uncomfortable for her.
Case 3
SF had a swollen foot and ankle arising from reconstructive surgery. After
wearing an ankle and foot support in accordance with the invention the fluid retention
problem rapidly disappeared.
Case 4
BS suffered from lymphoedema in her leg and tried wearing an underwear
garment in accordance with the invention but as she did not receive instant relief she
instead chose to wear compression stockings recommended by her physiotherapist. BS
was also undergoing weekly dialysis treatments and so was not a suitable condidate for
trial with the underwear garment.
Case 5
K is a young girl and suffered from lymphoedema around her knee, ankle and
foot after sustaining an injury 3 years previously. Pursuant to wearing an ankle and
foot support and then a knee wrap in accordance with the invention, K had a reduction
in swelling of her foot and ankle of approximately 2.5cm, improved movement in her
knee, ankle and foot, and no pain or tightness in her leg after 2 weeks of wearing the
support(s).
Case 6
KB suffered from breast cancer and had a left mastectomy with auxiliary node
clearance in 200 followed by chemotherapy treatment over a period of 4 months. As a
result of her surgery, she developed lymphoedema in her left underarm region. She
managed her lymphoedema with regular fortnightly remedial massage which gave
given her limited relief for a short amount of time. KB also trialled a compression
bandage (from a physiotherapist) but felt that the bandage only aggravated the problem.
KB started wearing a brassier style support with appropriately located panelling
according to the invention in October 2010 and felt that she had improvement within
the first few days of wearing the support. She also found that she had longer periods
where she was not conscience of any sensation of lymphatic fluid build-up. KB noted
that whilst the support did not stop this sensation completely, it was a welcome
improvement that resulted in her experiencing longer periods of time when she
completely is unaware of any fluid build-up. After 9 years of persisting with
alternative management, she considered her quality of life has been enhanced
considerably by wearing the support embodied by the invention which gave her quality
relief that she previously did not have.
Case 7
SP is a breast cancer patient who developed lymphoedema in her left arm post
surgery, the lymphoedema being of a level that she was unable to work in her
profession as a Midwife. Since wearing a brassiere insert embodied by the invention,
SP has ceased wearing conventional compression bandaging altogether and has
returned to midwifery. SP indicated that whilst fluid accumulates when she "goes to
the gym" or doesn't wear the support, the fluid soon dissipates once she wears the
support enhancing her quality of life.
As will be understood, various changes and modifications may be made to
embodiments of the invention described above without departing from the scope of the
invention. Accordingly, the above embodiments are to be taken in all respects as merely
illustrative and not restrictive.
Claims (7)
1. A garment adapted for the prevention or treatment of the accumulation of fluid in the body of a person, including one or more flexible supports adapted in use to engage the skin of the person, each flexible support including a front and rear layer of webbing, and having resilient protuberances between the front and rear layers and integral therewith, so as to form an array of resilient protuberances spaced apart on a face of the flexible support to engage the skin of the person, wherein the resilient protuberances are defined by raised elements and are selected from one or more of a foam material, a gas filled bubble, or a liquid filled bubble, wherein the front and rear layers of webbing are fixed together between the protuberances forming respective compartments of the webbing that house the resilient protuberances, wherein the garment when fitted to the body of the person operatively provides an engagement between the array of resilient protuberances and the skin of the person, such that operatively muscle movement of the body of the person induces a passive massaging action by the resilient protuberances, the passive massaging action comprising repetitive differential pressures and concomitant slight movement of individual protuberances at different times in the location of the differential pressure being applied by the resilient protuberances to the body of the person in the area of engagement, such that the fluid in the area of engagement and associated regions is progressively driven along by passive massaging action of the protuberances.
2. A garment according to claim 1 wherein the protuberances are retained in position by individual closed compartments each closely enveloping the protuberance, the individual closed compartments being formed by the securing of the front and rear layers together to form seams between respective rows of protuberances on the face of the flexible support.
3. A garment according to claim 2 wherein the protuberances comprise an outer membrane such that the protuberances are adapted to be partially compressed at least while performing the passive massaging action, but restrained against complete collapse in use.
4. A garment according to claim 2 or claim 3 wherein the front and rear layers of webbing are sewn together.
5. A garment according to any one of claims 1 to 4 wherein the protuberances are generally dome shaped.
6. A garment according to any one of the preceding claims, wherein the protuberances are adapted to be applied to one or more regions of the person’s body where a blockage or tissue damage responsible for fluid accumulation is located with or without visible associated swelling.
7. A garment according to any one of the preceding claims, wherein the front and rear layers are air and moisture permeable between respective protuberances in a direction from the face of the support to an opposite face of the support.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012902897 | 2012-07-06 | ||
AU2012902897A AU2012902897A0 (en) | 2012-07-06 | Therapeutic support for being worn by a subject | |
PCT/AU2012/000931 WO2014005170A1 (en) | 2012-07-06 | 2012-08-03 | Therapeutic support for being worn by a subject |
Publications (2)
Publication Number | Publication Date |
---|---|
NZ703704A NZ703704A (en) | 2016-08-26 |
NZ703704B2 true NZ703704B2 (en) | 2016-11-29 |
Family
ID=
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