*****New Product For Sale, Licensing, and/or Investors*****

U.S. Patent : # 5,813,992 Inventor : Peter S.W. Henwood invention uses patent drawings contact info patent attorney

As attorney for the inventor of the innovative Single Use Indicator For Stethoscopes we are currently seeking manufacturing companies to license, purchase patent rights or enter into a royalty agreement for this timely invention. Interested parties can reach Mr. Kroll at the contact numbers listed at the bottom of this page.

Objects of the present invention: to provide a protective stethoscope cover which reduces the chances of spreading contamination between patients by providing a visually perceptible indication that the cover has been used on a patient to provide a protective stethoscope cover which can be removable attached to the chestpiece of a stethoscope and which undergoes a visually perceptible change upon contact with the skin of a patient to provide a protective stethoscope cover which undergoes a visually perceptible change in color or opacity as a result of exposure to one or more of moisture, pressure, skin temperature or galvanic skin response to provide a protective stethoscope cover which is simple to make and easy to use to provide a protective stethoscope cover that is economical in cost to manufacture

The following pictures are meant to display possible physical characteristics of the present invention and are not to be taken in a limiting sense. It is understood that other embodiments may be utilized and that structural changes may be made without departing from the scope of the invention.

LIST OF REFERENCE NUMERALS 10 stethoscope 22 alternate anterior surface of chestpiece 12 chestpiece of stethoscope 24 alternate outer rim of chestpiece 14 generally circular anterior surface of chestpiece 26 alternate posterior surface of chestpiece 16 generally circular outer rim of chestpiece 28 support layer of disposable cover 18 posterior surface of chestpiece 30 use indicating layer of disposable cover 20, before use 20 disposable cover for chestpiece 32 use indicating layer of disposable cover 20, after use

PATENT DRAWINGS FIGURE 1 Figure 1 is an overview of a stethoscope utilizing the single use stethoscope cover of the present invention. FIGURE 2 Figure 2 is an enlarged view of a stethoscope chestpiece utilizing the single use stethoscope cover. FIGURE 3 Figure 3 is a cross-sectional view of a stethoscope chestpiece utilizing the single use stethoscope cover. FIGURE 4 Figure 4 is a view similar to that of Figure 2, showing the manual removal of the single use stethoscope cover. FIGURE 5 Figure 5 is a view similar to that of Figure 4, showing the stethoscope and single use stethoscope cover after removal. FIGURE 6 Figure 6 is a side view of a stethoscope chestpiece utlizing the single use stethoscope cover with the stethoscope cover shown in cross-section. FIGURE 7 Figure 7 is a side view of a stethoscope chestpiece. FIGURE 8 Figure 8 is a side view of the stethoscope chestpiece of Figure 7, utilizing a single use stethoscope cover of the present invention. FIGURE 9 Figure 9 is an enlarged, cross-sectional view of one embodiment of the single use stethoscope cover wherein the stethoscope cover material comprises a bilayer composite structure. FIGURE 10 Figure 10 is a view identical to that of Figure 9, illustrating the visual change of one of the layers after use.

If you are interested in licensing, purchasing the rights to the above invention or entering into a royalty agreement please contact the office of Michael I. Kroll as follows:

Michael I. Kroll
171 Stillwell Lane
Syosset, New York 11791
Tel. #: 800-367-7774
Tel. #: 516-367-7777
Fax #: 800-367-7704
Fax #: 516-692-2787

E-Mail patent@invention.net