EP0214721A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Balloon catheters
Assignee: FRANKLIN MEDICAL Ltd
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Filing: 1986-07-02
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Granted: —
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Expires: 2006-07-02
Abstract
Abstract A catheter comprising a lumen (2), and being provided with an inflatable balloon (10), wherein the balloon (10) has a laminated construction, and comprises a rubber latex layer (13) with an overlying layer (11) of a polyurethane.
Inventors
- 👤 Roger David Arnold Lipman
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-22 22:05
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1027; A61L; A61L29/00; A61L29/08; A61L29/085; A61M25/1025; A61M25/1029; A61M2025/1031; A61M2025/1043; A61M2025/1075
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
32 words
A catheter comprising a lumen, and being provided with an inflatable balloon, wherein the balloon has a laminated construction, and comprises a rubber latex layer with an overlying layer of a polyurethane.
Claim 2
Dependent Claim
32 words
A catheter comprising a lumen, and being provided with an inflatable balloon, wherein the balloon has a laminated construction, and comprises a rubber latex layer with an overlying layer of a polyurethane.
Claim 3
Dependent Claim
36 words
A catheter as claimed in Claim 2, wherein the laminated construction is produced by forming the said balloon of the rubber latex material, and forming a layer of a polyurethane material on the outer surface thereof.
Claim 4
Dependent Claim
20 words
A catheter as claimed in Claim 1 or Claim 2, wherein the laminated construction is formed by a dipping process.
Claim 5
Dependent Claim
17 words
A catheter as claimed in any one of claims 1 to 4 having at least two lumens.
Claim 6
Dependent Claim
27 words
A catheter as claimed in any one of the preceding claims, which is a Foley urethral catheter, a cardiovascular catheter, an embolectomy catheter, or a thrombectomy catheter.
Claim 7
Independent Claim
34 words
A method of producing a laminated catheter, which method comprises forming a layer of a polyurethane material on at least a portion of the surface of an inflatable latex balloon formed on the catheter.
Claim 8
Independent Claim
34 words
A method of producing a laminated catheter, which method comprises forming a layer of a polyurethane material on at least a portion of the surface of an inflatable latex balloon formed on the catheter.
Claim 9
Dependent Claim
21 words
A method as claimed in Claim 8, wherein the layer of polyurethane material is formed by using an aqueous-based polyurethane emulsion.
Claim 10
Dependent Claim
25 words
A method as claimed in Claim 8, where in the layer of polyurethane material is formed by using an organic solvent based solution of polyurethane.
Claim 11
Independent Claim
22 words
A method as claimed in any one of Claims 6 to 8, wherein the polyurethane layer is formed by a dipping process.
Claim 12
Dependent Claim
18 words
A method as claimed in claim 1, wherein the catheter has main lumen formed of a polyurethane material.
References Cited (Backward Citations)
US3336918A
Cited
US3539674A
Cited
FR2188448A7
Cited
GB1467928A
Cited
FR2328482A1
Cited
US4100309A
Cited
DD152474A1
Cited
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