Patent US4997438A successfully refreshed from Google Patents.
US4997438A
Expired / Lapsed
US
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Pressure applicator for thoracic wounds
Assignee: CONSTANCE CRANE LANGMANN
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Filing: 1989-04-14
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Granted: 1991-03-05
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Expires: 2009-04-14
Abstract
Abstract A pressure applicator for thoracic wounds is disclosed. The device includes a strap for encircling a patient's thorax. The strap has a pair of opposing ends. A cup element is attachable to the strap and has a rim for engaging the paatients's thorax around the wound. The strap is selectively secured in place about the thorax to urge the cup element against the thorax with sufficient pressure to at least partially seal the wound.
Inventors
- 👤 John Nipper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:35
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/12; A61B17/132; A61B17/1322; A61B17/1325; A61F; A61F5/00; A61F5/01; A61F5/30
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
122 words
A pressure applicator for thoracic wounds comprising: a flexible cup element that is substantially and permanently imperivous to fluid flow therethrough, said cup element having an open cavity for facing a thoracic wound and a rim for engaging the patient's thorax around the wound; a strap for completely encircling the patient's thorax and extending over and across said cup element, said strap having attachment menas engaging a portion of said cup within said rim, said strap having a pair of opposing ends; and means for selectively securing said strap in place about the thorax to urge said cup element against said thorax with sufficient pressure to create at least a partial vacuum within said cavity to at least partially seal the wound.
Claim 2
Dependent Claim
122 words
A pressure applicator for thoracic wounds comprising: a flexible cup element that is substantially and permanently imperivous to fluid flow therethrough, said cup element having an open cavity for facing a thoracic wound and a rim for engaging the patient's thorax around the wound; a strap for completely encircling the patient's thorax and extending over and across said cup element, said strap having attachment menas engaging a portion of said cup within said rim, said strap having a pair of opposing ends; and means for selectively securing said strap in place about the thorax to urge said cup element against said thorax with sufficient pressure to create at least a partial vacuum within said cavity to at least partially seal the wound.
Claim 3
Dependent Claim
19 words
The applicator of claim 1 in which said strap includes a plurality of holes arranged longitudinally in said strap.
Claim 4
Dependent Claim
43 words
The applicator of claim 2 in which said cup element includes at least one knob that is formed proximate the base of said cup element and is receivable by a selected one of said holes to attach said cup element to said strap.
Claim 5
Dependent Claim
44 words
The applicator of claim 3 in which said knob has a diameter that is larger than said holes and in which said strap is elastic such that said holes are resiliently expandable to introduce said knob through, and remove said knob from said holes.
Claim 6
Dependent Claim
18 words
The applicator of claim 1 in which said cup element is composed of a generally soft, flexible material.
Claim 7
Dependent Claim
15 words
The applicator of claim 1 in which said cup element includes a generally hemispheric shape.
Claim 8
Dependent Claim
15 words
The applicator of claim 1 in which said cup element includes a generally oblong shape.
Claim 9
Dependent Claim
46 words
The applicator of claim 1 in which said means for securing includes first and second hook elements that are attached proximate respective said ends of said strap, each said hook element being engagable with a respective one of said holes to secure said strap in place.
Claim 10
Dependent Claim
12 words
The applicator of claim 1 in which said strap is longitudinally elastic.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-03-04 | 1994-09-03 | 1995-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-03-04 | 1998-09-03 | 1999-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-03-04 | 2002-09-03 | 2003-03-05 | $7700.00 | Window Closed / Lapsed |