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US 5,239,981 AGranted
Film covering to protect a surgical instrument and an endoscope to be used with the film covering
AssigneeEffner Biomet GmbH
InventorEmmanuel Anapliotis
Life of this patent
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Abstract
A film covering for protecting a surgical instrument such as an endoscope from contamination, includes a tubular film having an inlet opening and an outlet opening disposed opposite to the inlet opening. The outlet opening is formed by an elastic membrane with an aperture, an outer edge of the elastic membrane being stretched and held in a frame which also distends the tubular film.
Claims20
A covering for use in protecting a surgical instrument such as an endoscope from contamination, said covering comprising:
- a tubular film having at a first end thereof an inlet opening and having a separate outlet means, disposed at a second end opposite to the inlet opening, for receiving a distal end of a surgical instrument;
- an annular frame member disposed at the second end of said tubular film for distending the second end of said tubular film;
- wherein said outlet means comprises an elastic membrane having an aperture, an outer edge of said elastic membrane being held by said annular frame member,
- wherein said elastic membrane is stretched in and spans said annular frame member across the second end of said tubular film, and
- wherein said aperture adapts closely to outer contours of a surgical instrument received by said outlet means due to elasticity of said elastic membrane.
2 more elements
A surgical instrument covering comprising:
- a telescoping tubular film having an inlet opening at a first end thereof;
- a separate elastic membrane means, disposed and attached to said tubular film at a second end of said tubular film, and having an aperture for receiving a surgical instrument, wherein edges of said aperture come in close contact with outer contours of the surgical instrument when received therein;
- and
- frame means for stretching and holding said elastic membrane means, said elastic membrane means spanning said frame means.
1 more element
Dependencies are inferred from the claim text.