Patent US4227293A successfully refreshed from Google Patents.
US4227293A
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US
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Method of catheter manufacture
Assignee: Kendall Co
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Filing: 1978-12-11
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Granted: 1980-10-14
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Expires: 1998-12-11
Abstract
Abstract A catheter having a flexible annular balloon secured on a shaft of the catheter by a pair of annular sleeves. A method is provided for securing the balloon to the shaft by shrinking the sleeves over grooves of the shaft.
Inventors
- 👤 Glenn N. Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:26
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1027; A61M25/1034; B; B23; B23P; B23P11/00; B23P11/02; B23P11/025; A61M2025/1043; A61M2025/1065; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
150 words
A method of securing a flexible annular balloon on a catheter shaft, comprising the steps of: forming a pair of spaced annular grooves in an outer surface of the shaft; positioning a first end portion of the balloon intermediate a first shrinkable annular sleeve and one of said grooves in a configuration with an end edge of the first end portion directed toward the other of said grooves; shrinking said first sleeve over said first end portion to secure said first end portion of the balloon in said one groove; positioning the remote end portion of the balloon intermediate a second shrinkable annular sleeve and the other of said grooves in a configuration with an end edge of the remote end portion directed toward said one groove; and shrinking said second sleeve over said remote end portion to secure said remote end portion of the balloon in said other groove.
Claim 2
Independent Claim
150 words
A method of securing a flexible annular balloon on a catheter shaft, comprising the steps of: forming a pair of spaced annular grooves in an outer surface of the shaft; positioning a first end portion of the balloon intermediate a first shrinkable annular sleeve and one of said grooves in a configuration with an end edge of the first end portion directed toward the other of said grooves; shrinking said first sleeve over said first end portion to secure said first end portion of the balloon in said one groove; positioning the remote end portion of the balloon intermediate a second shrinkable annular sleeve and the other of said grooves in a configuration with an end edge of the remote end portion directed toward said one groove; and shrinking said second sleeve over said remote end portion to secure said remote end portion of the balloon in said other groove.
Claim 3
Dependent Claim
36 words
The method of claim 1 wherein said first and second sleeves are made from a heat shrinkable material, and the first and second shrinking steps comprise the steps of heat shrinking said first and second sleeves.
Claim 4
Dependent Claim
25 words
The method of claim 1 including the step of folding a remaining portion of said ballon over said first sleeve after the first shrinking step.
References Cited (Backward Citations)
US3640282A
Cited
US3714316A
Cited
US3896816A
Cited
US3799173A
Cited
US3932926A
Cited
US3833004A
Cited
US4035454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-10-14 | 1984-04-14 | 1984-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-14 | 1988-04-14 | 1988-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-14 | 1992-04-14 | 1992-10-14 | $7700.00 | Window Closed / Lapsed |