Surgery – Truss – Pad
Patent
1987-04-28
1989-04-25
Howell, Kyle L.
Surgery
Truss
Pad
604110, 128743, 128329R, A61B 1734
Patent
active
048238066
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
The present invention relates to an apparatus for testing the sensory system in humans or animals.
FIELD OF THE INVENTION
It is known to use pins to test the sensory system in humans or animals. However, there is a risk of a pin being used on more than one subject unless suitable precautions are taken. If a pin is used on more than one subject there may be a risk of cross-infection. Thus, there is a need for a means for providing pins for use in testing the sensory system in humans or animals by which the risk of one pin being used on more than one subject is reduced.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention there is provided an apparatus for testing the sensory system in humans or animals, which comprises an apparatus for testing the sensory system in humans or animals characterized in that it comprises a volume enclosing housing containing a plurality of pins, said pins being held captive in the housing and being so mounted as to have tips sequentially available at a point of use for testing the sensory system in humans or animals, and wherein once a pin has been used on a subject the used pin is movable to a location in the housing at which the tip of the used pin is inaccessible.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a plan view of an apparatus in accordance with the present invention;
FIG. 2 is an exploded view of the apparatus of FIG. 1;
FIG. 3 is a plan view of an adhesive cover sheet forming part of the apparatus of FIGS. 1 and 2;
FIG. 4 is a plan view of a disc forming part of the apparatus of FIGS. 1 and 2, not containing any pins;
FIG. 5 is an underneath view of a disc forming part of the apparatus of FIGS. 1 and 2;
FIG. 6 is a view of the interior of an upper housing part of the apparatus of FIGS. 1 and 2;
FIG. 7 is a view of the exterior of a lower housing part of the apparatus of FIGS. 1 and 2; and
FIG. 8 is a perspective elevation of a slidable cover forming part of the apparatus of FIGS. 1 and 2.
DESCRIPTION OF THE INVENTION
In the drawings there is shown an apparatus 10 for testing the sensory system in humans or animals. The apparatus 10 comprises an outer volume enclosing housing having a first lower housing part 12 and a second upper housing part 14. The housing parts 12 and 14 each have a peripheral rib 16 and are of complementary shape. Each part 12 and 14 has a relatively wide portion with a large arcuately shaped end and a relatively narrow portion with tapering sides which converge towards a small arcuately shaped end. The housing parts 12 and 14 are arranged to be engaged together with their peripheral ribs 16 in abutting relation so that the parts 12 and 14 define an enclosed volume. In this connection, the housing part 12 is provided adjacent its large arcuately shaped end with three spaced upstanding socket members 18 and adjacent its small arcuately shaped end with a pair of upstanding socket members 18. All of the socket members 18 are adjacent the rib 16 of the housing part 12.
Further, as can be seen in FIG. 6, the housing part 14 is provided adjacent its peripheral rib 16 with a plurality of posts 20. Each post 20 is located at a point corresponding with a respective socket 18 and is arranged to fit inside its respective socket 18. Further, the sockets 18 and the posts 20 are preferably arranged so that they firmly fit together. For example, the posts 20 could have enlarged ends whilst the sockets 18 could have constricted inlets so that when the housing parts 12 and 14 are presented to one another the sockets 18 and the posts 20 engage with a snap fit. Further, the housing part 12 contains on its interior face a first upstanding circular projection 22 which is surrounded by a second larger upstanding circular projection 24. The circular projection 22 is of greater height than the circular projection 24.
The apparatus 10 further comprises a circular disc 26 the underside of which can be
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NASA Tech. Brief; Modified Algesimeter Provides Accurate Depth Measurements; 12-1966.
Howell Kyle L.
Sykes Angela D.
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