Disposable probe cover and method for making same

Abstract

Abstract A disposable probe cover, comprising a flat bottom plastic sheet shaped generally like a probe and a flat upper plastic sheet overlying the bottom sheet and welded to it at its edges, except for an entrance opening at one end through which the probe is to be inserted. The upper plastic sheet stops short of the bottom plastic sheet at the entrance opening, and it is knurled at the entrance opening to help to provide an entrance guideway. A probe can make its initial contact along the guideway provided by the lower sheet beyond the entrance opening and when moved into the opening, the knurls provide gaps where the two sheets cannot stick together. Each probe cover may have its bottom sheet removably adhered to a paper backing, from which it is separated when the probe is inserted in the cover and is pulled away from the paper backing. In the method of making the probe cover, knurled rolls are used on one or two side edges of a continuous sheet which is to form many upper sheets of probe covers, and an entire knurled strip is provided before the two sheets and the paper backing are brought together. Then, after cutting, the probe covers result with the knurled portion of the upper sheet adjacent to the entrance opening.

Inventors

• 👤 R Blatz

Bibliographic Details