The present training device is a body of elastically yielding material,
such as foam rubber preferably enveloped by a skin-like cover, for
example, of rubber. A plurality of lumps of varying hardness, size
and configuration are distributed in the foam rubber body in various
locations adjacent to the skin-like envelope as well as deeper in
the foam rubber body. The lumps may be made of plastics material
and may be distinctly sensed by touching and pressing the outer
envelope so as to familiarize a person performing the examination
with the symptoms of actual breast cancer.
What is claimed is:
1. A training device for facilitating the detection of human breast
cancer, comprising a body of an elastically yielding material having
a given firmness and a plurality of lumps of varying hardness, sizes
and configurations permanently embedded in said elastically yielding
material at locations where cancer nodules are naturally located,
said lumps having a firmness larger than said given firmness, said
lumps further resembling, due to said varying hardness, sizes, and
configurations, nodules of breast cancer cells said device further
comprising an air-tight elastically yielding envelope surrounding
said elastically yielding body, and air supply means connected to
said body for adjusting the firmness of said body, whereby the location
of said lumps may be emphasized by adjusting the air pressure in
2. The device according to claim 1, wherein said elastically yielding
material is foam rubber and wherein said lumps are made of plastics
material having a firmness larger than that of said foam rubber.
3. The device according to claim 1, wherein said lumps are embedded
in said body adjacent to the surface of said body as well as at
locations remote from the surface of said body.
4. The device according to claim 1, further comprising an elastically
yielding separation wall dividing said body into an outer foam rubber
portion and an enclosed air compartment forming a backing for said
rubber body, said air supply means including air pump means connected
to said rear air compartment for controlling the firmness of said
backing to thereby emphasize the location of said lumps above said
5. The device according to claim 1, further comprising an elastically
yielding envelope surrounding said elastically yielding body, handle
means secured to said body, and air pump means as part of said handle
means for adjusting the firmness of said body.
6. The device according to claim 1, wherein said lumps are pebbles
of various sizes and shapes.
7. The device according to claim 1, wherein said body is made of
foam rubber, and said lumps are made of styrofoam embedded in said
8. The device according to claim 1, wherein said body resembles
the shape of a female human breast.
9. The device according to claim 1, further comprising an envelope
of elastic material substantially resembling human skin, said envelope
encasing said elastically yielding body.
10. The device according to claim 9, wherein said envelope is made
of a thin rubber skin.
BACKGROUND OF THE INVENTION
The present invention relates to a breast cancer detection training
device. It is rather important, that breast cancer be detected as
early as possible for a successful treatment. Thus, gynecologists
are urging their patients to examine their breasts frequently. However,
while the physician may teach the patient theoretically what to
"look for" it is normally not possible for a patient to
experience the practical sensation of an actually infected breast.
For obvious reasons, the physician cannot use an actually infected
breast for teaching his patients.
OBJECTS OF THE INVENTION
In view of the above, it is the aim of the invention to provide
a training device which will impart to the person being trained
a sensation which approximates by artificial means the same or substantially
the same sensation as would be experienced by examining an actually
infected breast; and to provide a device of the just described type
which is relatively cheap to manufacture and may be produced on
a mass production scale.
SUMMARY OF THE INVENTION
According to the invention there is provided a breast cancer detection
training device, wherein a body of elastically yielding material
having a given firmness has embedded therein a plurality of lumps
at random locations and of random size, whereby the lumps have a
firmness larger than the given firmness of the remainder of the
elastically yielding body. The lumps may have varying shapes and
sizes so as to resemble breast cancer cells.
BRIEF FIGURE DESCRIPTION:
In order that the invention may be clearly understood, it will
now be described, by way of example, with reference to the accompanying
FIG. 1 is a sectional view through a simple embodiment of the training
device according to the invention;
FIG. 2 illustrates a modified embodiment partially in section and
simulating the shape of a human breast, the firmness of which is
controllable by an air pump; and
FIG. 3 is a modification of the embodiment according to FIG. 2,
and further including a membrane to control the firmness of the
DETAILED DESCRIPTION OF EXAMPLE EMBODIMENTS:
Referring to FIG. 1 there is shown in section a foam rubber body
1, for example, of polyurethane having a given firmness. Polyurethane
foam rubber or other foam materials are readily available on the
market with different grades of firmness. According to the invention
there are embedded in the foam rubber body 1 lumps 2 of various
shapes and sizes and having a distinctly different firmness as compared
to the firmness of the foam rubber body 1. These lumps may, for
example, be made of plastics material, for example, NYLON (RTM)
or the like. They may also be simply pebbles of various sizes and
shapes. In any event these embedded lumps 2 will be formed and shaped
so as to approximate natural cancer cells in a human breast.
The lumps 2 are distributed in the body 1 also in a manner resembling
the location of actual cancer cells in a human breast. Thus, the
lumps 2 may be located close to the surface of the body 1 and also
at deeper locations.
In FIG. 2 the body 3 of foam rubber or the like is shaped to resemble
a human breast. Further, the body is enveloped by a skin-like cover
4 resembling as closely as possible the texture of human skin. Various
elastomeric materials, for example, of rubber are available on the
market to meet the requirements for the cover 4 which would be air-tight.
The body 3 is secured to a frame 5 of plastics material, which will
preferably close the body 3. A handle 6 may be secured to the frame
5. The handle 6 is provided with an air passage 7 extending through
the frame 5 into the body 3. An air pump 8 with a flap valve 9 may
be detachably secured to the handle 6 for controlling the firmness
of the body 3 so as to adapt it as closely as possible to varying
naturally occurring conditions. The cells of the foam rubber would
be interconnected to pass air.
FIG. 3 shows a further embodiment similar to that of FIG. 2. The
body 10 of FIG. 3 is also covered with a skin-like envelope 11.
The frame 12 has an air passage 13 to which may be connected an
air pump 14 with a flap-valve 15. An air valve 16 may be provided
at the inlet end of the air passage 13 so as to hold the air in
the space 17 if desired. The space 17 is closed off against the
remainder of the body 10 by a gas-tight membrane 18, for example,
of rubber. Thus, a backing, the firmness of which may be varied,
is provided for the remainder of the foam rubber body 10 so as to
resemble the natural state as closely as possible. The body 10 has
also embedded therein the lumps 19, as described above.
In use, the physician may guide the patient's hand over the body
to teach the patient with what strength the examining pressure should
be applied. Thus, the lumps will impart to the patient a distinct
practical feeling of what she is supposed to look for in examining
Although the invention has been described with reference to specific
example embodiments, it is to be understood, that it is intended
to cover all modifications and equivalents within the scope of the