US5221265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment patch
Assignee: Lohmann GmbH and Co KG
•
Filing: 1992-03-25
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Granted: 1993-06-22
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Expires: 2012-03-25
Abstract
Abstract An attachment patch for fastening medical accessories, such as cannulae, to the human skin, includes a carrier material provided with a pressure-sensitive adhesive layer, and a protective layer covering the pressure-sensitive adhesive layer and being provided with a lift-up type flap for fastening this cannula. The flap is divided into two fastening strips by a center cut, which preferably extends beyond the length of the flap.
Inventors
- 👤 Harald List
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:02
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/02; A61M2025/0253; Y; Y10; Y10S; Y10S128/00; Y10S128/26
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
79 words
An attachment patch for fastening a medical accessory such as a cannula and the like to human skin, comprising a carrier material having a pressure-sensitive adhesive layer; a protective layer covering the pressure-sensitive adhesive layer, and said carrier material provided with a lift-up flap for holding said accessory in place; said flap being divided into two fastening strips by a central cut, and said flap having a length, with the central cut extending beyond the length of the flap.
Claim 2
Dependent Claim
79 words
An attachment patch for fastening a medical accessory such as a cannula and the like to human skin, comprising a carrier material having a pressure-sensitive adhesive layer; a protective layer covering the pressure-sensitive adhesive layer, and said carrier material provided with a lift-up flap for holding said accessory in place; said flap being divided into two fastening strips by a central cut, and said flap having a length, with the central cut extending beyond the length of the flap.
Claim 3
Dependent Claim
80 words
The attachment patch according to claim 1, further comprising two lateral cuts with one on each side of the center cut; said central cut extending beyond the lateral cuts of equal length by such a distance, which is approximately the width of a fastening strip in the end portion of the cuts; said fastening strips foldable along a lateral component and having folding edges running diagonally to the direction of said fastening strips and in opposite direction to each other.
Claim 4
Dependent Claim
38 words
The attachment patch according to claim 1, wherein the patch has a narrow side with an edge; wherein the fastening strips are formed by three unidirectional cuts starting from the edge of a narrow side of the patch.
Claim 5
Dependent Claim
34 words
The attachment patch according to claim 3, wherein said patch is a round patch, said cuts are from any point of the patch edge and running substantially up to the center of the patch.
Claim 6
Dependent Claim
41 words
The attachment patch according to claim 2, wherein the width of the flap which is formed by the two fastening strips in the region of the folding edges at least corresponds to the diameter of the medical accessory to be held.
Claim 7
Dependent Claim
30 words
The attachment patch according to claim 5, further comprising longitudinal edges for the patch; wherein the cuts forming the flap run substantially parallel to the longitudinal edges of the patch.
Claim 8
Dependent Claim
33 words
The attachment patch according to claim 5, wherein the cuts forming the flap form an acute angle to the central cut which, with respect to said central cut, is a symmetric acute angle.
Claim 9
Dependent Claim
52 words
The attachment patch according to claim 7, wherein the acute angles which are formed by the two outer cuts with the central cut are placed such that the width of the fastening strips at the beginning of the cuts is larger than in the region of the folding edges, or vice versa.
Claim 10
Dependent Claim
18 words
The attachment patch according to claim 8, wherein the carrier material of the patch is a textile fabric.
Claim 11
Dependent Claim
19 words
The attachment patch according to claim 8 wherein the carrier material of the patch is a plastic film material.
Claim 12
Dependent Claim
49 words
The attachment patch according to claim 8 or 10 wherein said patch includes a fixing portion, said fixing portion and said fastening strips including said protective layer, wherein the protective layers of the fixing portion of the patch and of the fastening strips are removable independently of each other.
References Cited (Backward Citations)
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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) | 1996-06-21 | 1996-12-21 | 1997-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-21 | 2000-12-21 | 2001-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-21 | 2004-12-21 | 2005-06-22 | $7700.00 | Window Closed / Lapsed |