US5049131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balloon catheter
Assignee: Ashridge AG
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Filing: 1989-11-14
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Granted: 1991-09-17
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Expires: 2009-11-14
Abstract
Abstract A balloon catheter for the widening of passages in the body, such as blood vessels, comprises a tubular body connected at one side to the interior of a cylindrical balloon and at another side to a pump unit. The balloon can be enlarged from a first predetermined diameter to a second predetermined diameter without completely withdrawing the catheter from the body passages.
Inventors
- 👤 Jacobus A. C. Deuss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:14
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1027; A61M25/1038; A61M25/1002; A61M25/104; A61M2025/1004; A61M2025/1043; A61M2025/107
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
194 words
A balloon catheter for the widening of passages in the human body comprising: an inflatable balloon having a predetermined length and comprising means for widening a passage in the body to a first operational diameter and widening a passage in the body to a larger operational diameter; and pump means for delivering an inflating medium to said balloon, said pump means in connection with said balloon through a tubular body connected at one end thereof to said pump means and at a distal end thereof to said balloon; said means for widening comprising a portion of an outer wall of the balloon, said portion having an inward fold therein, and means for fixing said inward fold in said portion of the outer wall until a predetermined pressure is reached in said balloon whereby said means for fixing releases said inward fold; the portion of said outer wall with said inward fold having a substantially cylindrical shape with an outer diameter corresponding to said first operational diameter, and said portion of said outer wall after release of said inward fold has a substantially cylindrical shape with an outer diameter corresponding to said larger operational diameter.
Claim 2
Dependent Claim
194 words
A balloon catheter for the widening of passages in the human body comprising: an inflatable balloon having a predetermined length and comprising means for widening a passage in the body to a first operational diameter and widening a passage in the body to a larger operational diameter; and pump means for delivering an inflating medium to said balloon, said pump means in connection with said balloon through a tubular body connected at one end thereof to said pump means and at a distal end thereof to said balloon; said means for widening comprising a portion of an outer wall of the balloon, said portion having an inward fold therein, and means for fixing said inward fold in said portion of the outer wall until a predetermined pressure is reached in said balloon whereby said means for fixing releases said inward fold; the portion of said outer wall with said inward fold having a substantially cylindrical shape with an outer diameter corresponding to said first operational diameter, and said portion of said outer wall after release of said inward fold has a substantially cylindrical shape with an outer diameter corresponding to said larger operational diameter.
Claim 3
Dependent Claim
15 words
The balloon catheter of claim 1, wherein said inward fold extends longitudinally along said balloon.
Claim 4
Dependent Claim
30 words
The balloon catheter of claim 2, wherein said means for fixing comprises a series of releasable welds located within said inward fold on an outer surface of said outer wall.
Claim 5
Dependent Claim
28 words
The balloon catheter of claim 1, wherein said means for fixing comprises a releasable weld located within said inward fold on an outer surface of said outer wall.
Claim 6
Dependent Claim
31 words
The balloon catheter of claim 1, wherein said means for fixing comprises a releasable strip attached to an inner surface of the portion of the outer wall containing said inward fold.
Claim 7
Dependent Claim
31 words
The balloon catheter of claim 1, wherein said means for fixing comprises a releasable strip attached to an outer surface of the portion of the outer wall containing said inward fold.
Claim 8
Dependent Claim
25 words
The balloon catheter of claim 6, wherein said releasable strip extends over ends of the balloon and the inward fold is filled with a substance.
Claim 9
Dependent Claim
13 words
The balloon catheter of claim 7, wherein said substance is a medicinal substance.
Claim 10
Dependent Claim
57 words
The balloon catheter of claim 1, wherein said portion of the outer wall comprises a plurality of inward folds therein and said balloon comprises corresponding means for fixing said inward folds in said outer wall, wherein each of said means for fixing releases a corresponding inward fold when a different predetermined pressure is reached in said balloon.
Claim 11
Dependent Claim
17 words
The balloon catheter of claim 9, wherein each of said inward folds extends longitudinally along said balloon.
Claim 12
Dependent Claim
20 words
The balloon catheter of claim 1, wherein said inward fold extends longitudinally along substantially an entire length of said balloon.
Claim 13
Dependent Claim
22 words
The balloon catheter of claim 1, wherein said inward fold extends longitudinally along only a portion of a length of said balloon.
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) | 1994-09-16 | 1995-03-18 | 1995-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-16 | 1999-03-18 | 1999-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-16 | 2003-03-18 | 2003-09-17 | $7700.00 | Window Closed / Lapsed |