Patent US5472428A successfully refreshed from Google Patents.
US5472428A
Expired / Lapsed
US
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Method of using an intubation instrument
Assignee: THING TANG Inc
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Filing: 1994-03-21
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Granted: 1995-12-05
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Expires: 2014-03-21
Abstract
Abstract An intubation instrument has an abraded and adsorbent sheath that is telescoped both internally and externally of a tube. The sheath is provided with a handle to facilitate retraction thereof as the tube is inserted into a body cavity, thereby minimizing transportation of pathogens into the body.
Inventors
- 👤 Michael J. Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:41
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0111
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A method of ventilating a body cavity comprising the steps of: providing a tube having an insertion end; providing said tube with a removable protective sheath with a major portion of said sheath disposed internally of said tube and an end portion of said sheath reentrantly folded about the insertion end of said tube; providing the end portion of said sheath with a gripping means; inserting the insertion end of said tube and reentrantly folded portion of said sheath into said body cavity; retracting said gripping means away from said body cavity to effect withdrawal of the sheath outwardly of said cavity; and advancing said tube inwardly of said body cavity concomitantly with retraction of said sheath.
Claim 2
Independent Claim
117 words
A method of ventilating a body cavity comprising the steps of: providing a tube having an insertion end; providing said tube with a removable protective sheath with a major portion of said sheath disposed internally of said tube and an end portion of said sheath reentrantly folded about the insertion end of said tube; providing the end portion of said sheath with a gripping means; inserting the insertion end of said tube and reentrantly folded portion of said sheath into said body cavity; retracting said gripping means away from said body cavity to effect withdrawal of the sheath outwardly of said cavity; and advancing said tube inwardly of said body cavity concomitantly with retraction of said sheath.
References Cited (Backward Citations)
FR2420351A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-12-04 | 1999-06-05 | 1999-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-12-04 | 2003-06-05 | 2003-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-12-04 | 2007-06-05 | 2007-12-05 | $7700.00 | Window Closed / Lapsed |