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GB1569660A Expired / Lapsed GB ⏱️ 0.0 years remaining

Occlusion of body channels

Assignee: Medline AB
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Filing: 1977-07-29
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Granted: —
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Expires: 1997-07-29
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-23 01:37
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/20; A61F6/22; A61F6/225; A61B; A61B90/00; A61B90/39

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 59 words
A device for at least temporarily occluding channels or hollow spaces in human beings and animals, said device comprising a body adapted to be inserted into said channel or hollow space and made of a hydrogel which swells at least 20% when in contact with body fluid, and which is otherwise essentially inert to body fluid and surrounding tissues.
Claim 2
Independent Claim 59 words
A device for at least temporarily occluding channels or hollow spaces in human beings and animals, said device comprising a body adapted to be inserted into said channel or hollow space and made of a hydrogel which swells at least 20% when in contact with body fluid, and which is otherwise essentially inert to body fluid and surrounding tissues.
Claim 3
Dependent Claim 24 words
A device according to claim 1, wherein the material swells at least 40% and preferably at least 80% when in contact with body fluid.
Claim 4
Dependent Claim 16 words
A device according to claim 1 or claim 2, wherein the hydrogel is of acrylic type.
Claim 5
Dependent Claim 27 words
A device according to claim 3, wherein said hydrogel is a polymer or copolymer of methacrylic esters having at least one hydroxy radical in the side chain.
Claim 6
Dependent Claim 20 words
A device according to claim 4, wherein the ester moiety of the methacrylic ester is derived from a polyhydric alcohol.
Claim 7
Independent Claim 19 words
A device according to any one of claims 1 to 5, wherein said body contains an X-ray opaque material.
Claim 8
Independent Claim 30 words
A device according to any one of claims 1 to 6, wherein an indicator thread is built in or attached to the body, said indicator thread being optionally X-ray opaque.

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