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FR2188448A7 Expired / Lapsed FR ⏱️ 0.0 years remaining

Composite walled surgical/medical tubing - for wound drainage catheters etc with one layer of hard matrial in wall

Assignee: WARNE ET CY Ltd WILLIAM
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Filing: 1973-06-06
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Granted: 1974-01-18
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Expires: 1993-06-06
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Abstract

Abstract The wall of the tubing has >=2 layers and either the innermost or the outermost layer is of material harder than the others, >=1 of the layers is esp. of material opaque to X-rays. A coiled or spiral wound layer of hard plastics material may be embedded between an internal and an external layer. >=1 layer is of natural latex rubber and >=1 of natural latex compounded with styrene-butadiene. Esp. suitable for catheterisation due to prevention of ballooning and ease of introduction without a guide pin.

Inventors

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 16:33
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0043; A61M25/0045; A61M25/0009; A61M25/005; A61M25/01; A61M25/0105; A61M25/0108

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