Disposable medical scope sheath
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United States of America Patent
Stats
-
Jul 4, 1995
Grant Date -
N/A
app pub date -
Apr 7, 1994
filing date -
Apr 7, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A disposable sheath (10) for a medical scope (11) and having a flexible, elongated body portion (13) formed from a translucent plastic material (15) with a rough-textured interior surface (19) and a flexible, transparent tip portion (22). The rough-textured interior surface includes projections (18) that result from a plurality of indentations (17) formed in the exterior surface (16) of the body portion of the sheath. The translucent plastic material of the body portion is bonded to the transparent tip portion of the sheath by high frequency heat sealing, which is pathogen impermeable. The plastic materials of the sheath are also pathogen impermeable. In one embodiment, the tip portion (46) of the sheath (33) is formed from a flat, foldable sheet (48) of plastic material. The lateral edges (51, 52) of the foldable sheet are heat sealed to each other, and the proximal edges (49, 50) are heat sealed to the distal end (47) of the body portion (35) of the sheath. The body portion is formed from two strips (36, 37) of plastic material with a shape memory for a flat configuration that are longitudinally heat sealed along the edges (38, 39) thereof. A stylet (43) is positioned in the sheath for maintaining the sheath in an open condition (42) during handling and storage.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- COOK (CANADA) INCORPORATED
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bruin, Gerard | Mississauga, CA | 5 | 94 |
Cole, Arthur F D | Toronto, CA | 1 | 94 |
Earle, Walter R | Janetville, CA | 2 | 112 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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