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US 2022/0175404 A1Published application
Catheter including a radiopaque expandable member
AssigneeCovidien LP
InventorsEric Mintz, Ujwal Jalgaonkar, Syamala Rani Pulugurtha, Athanasios Touris, Kevin V. Nguyen, Xiaodong Ma, Edwin Wang
Life of this patent
Estimating the term…
Abstract
In some examples, a catheter includes an elongated body and an expandable member at a distal portion of the elongated body and defining at least part of a distal tip of the catheter. The expandable member is formed from materials that enable a distal tip of the catheter to be radiopaque without the addition of a separate radiopaque marker (e.g., a solid metal ring of radiopaque material separate from and connected to the elongated body) at the distal tip of the catheter.
Claims22
A catheter comprising:
- an elongated body comprising a proximal body portion and a distal body portion, and defining a body inner lumen;
- and
- an expandable member located at the distal body portion, the expandable member defining an expandable member inner lumen, the expandable member inner lumen comprising a distal extension of the body inner lumen,
- wherein the expandable member is configured to expand radially outward and thereby expand the expandable member inner lumen radially outward,
- wherein the expandable member comprises a plurality of structural elements, one or more of the structural elements of the plurality of structural elements comprising a first material surrounding a core comprising a second material, and
- wherein the first material is more radiopaque than the second material, or wherein the second material is more radiopaque than the first material.
3 more elements
A catheter comprising:
- an elongated body including a proximal body portion and a distal body portion, and a body inner lumen passing through the elongated body;
- and
- an expandable member located at the distal body portion, the expandable member forming an expandable member inner lumen passing therethrough, the expandable member inner lumen comprising a distal extension of the body inner lumen,
- wherein the expandable member is configured to self-expand radially outward and thereby expand the expandable member inner lumen radially outward,
- wherein the expandable comprises a plurality of first filaments comprising a first material interwoven with a plurality of second filaments comprising a second material, and
- wherein the second material is more radiopaque than the first radiopaque material.
3 more elements
A catheter comprising:
- an elongated body including a proximal body portion and a distal body portion, and defining a body inner lumen;
- and
- a radiopaque expandable member connected to a distal portion of the elongated body, the expandable member defining an expandable member inner lumen in fluid communication with the body inner lumen, wherein the expandable member is configured to expand from a collapsed configuration to an expanded configuration, and
- wherein, while a suction force is applied to the body inner lumen and the expandable member inner lumen, the expandable member is configured to axially contract in response to contact with a thrombus.
1 more element
Dependencies are inferred from the claim text.