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EP0318918A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Balloon cathether

Assignee: Terumo Corp
•
Filing: 1988-11-29
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Granted: —
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Expires: 2008-11-29
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Abstract

Abstract There is provided a balloon catheter (10) comprising a tubular body including at least one lumen, and a foldable balloon (3) provided at a predetermined distal portion on the outer surface of said tubular body so that the balloon communicates with at least one lumen in said tubular body, wherein reinforcement (9) is provided at a predetermined portion on the outer surface of said tubular body surrounded by said balloon. The reinforcement is preferably formed of an X-ray opague material and in the form of a coil.

Inventors

  • 👤 Yoshiaki Sugiyama
  • 👤 Kyuta Sagae
  • 👤 Susumu Tanabe

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 12:49
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/104; A61M25/0043; A61M25/005; A61M25/0052; A61M2025/0004

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 70 words
A balloon catheter comprising a tubular body including at least one lumen, and a foldable balloon provided at a predetermined distal portion on the outer surface of said tubular body so that the balloon communicates with at least one lumen in said tubular body, wherein the improvement resides in that a reinforcement is provided at a predetermined portion on the outer surface of said tubular body surrounded by said balloon.
Claim 2
Dependent Claim 70 words
A balloon catheter comprising a tubular body including at least one lumen, and a foldable balloon provided at a predetermined distal portion on the outer surface of said tubular body so that the balloon communicates with at least one lumen in said tubular body, wherein the improvement resides in that a reinforcement is provided at a predetermined portion on the outer surface of said tubular body surrounded by said balloon.
Claim 3
Dependent Claim 37 words
The balloon catheter according to claim 1 wherein the outside diameter of a portion thereof introduced into the patient's body which is formed by said tubular body and the folded balloon is not more than 2.7 mm.
Claim 4
Dependent Claim 19 words
Tha balloon catheter according to claim 1 or 2 wherein said reinforcement is formed of an X-ray opague material.
Claim 5
Dependent Claim 19 words
The balloon catheter according to claim 3 wherein said X-ray opague material is platinum, gold, tungsten or alloys thereof.
Claim 6
Dependent Claim 16 words
The balloon catheter according to claim 3 wherein said X-ray opague material is a silver-palladium alloy.
Claim 7
Dependent Claim 25 words
The balloon catheter according to any one of the claims 1 to 5 wherein said reinforcement is a wire in the form of a coil.
Claim 8
Dependent Claim 24 words
The balloon catheter according to claim 6 wherein the wire in the form of a coil has a circular, rectangular or an elliptical cross-section.
Claim 9
Dependent Claim 34 words
The balloon catheter according to claim 6 or 7 wherein said wire in the form of a coil is a coil spring so wound that its turns are in intimate contact with one another.
Claim 10
Dependent Claim 49 words
The balloon catheter according to claim 6 or 7 wherein said wire in the form of a coil is a coil spring so wound that its turns are in intimate contact with each other in the both end parts and sparse in the intermediate part of the coil spring.

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