US 11,077,285 B2Granted

Catheter construction

AssigneeMaduro Discovery, LLC

InventorBrian B. Martin

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Abstract

Polymeric tubing, for use with catheters or other medical devices, where the polymeric tubing can have regions of customized properties including, but not limited to, durometer, torque control, flexibility, axial strength, stiffness, etc. One variation of the device allows for transitions between regions to be configured such that there can be gradual or customized transitions between various regions such that the structural characteristics differential between the regions selectively designed. Additional variations include outer layers having a plurality of material sections extending in a spiral direction along the axial length to form a continuous wall of the outer layer. In certain variations, the structural characteristic differential is minimized or eliminated as compared to conventional catheters.

Claims17

Dependent claims

A catheter tubing comprising:

a tubular body extending along an axial length;
a plurality of material sections extending spirally along the tubular body to form a wall of the tubular body, where each material section is joined to a circumferentially adjacent material section;
wherein the plurality of material sections include at least a first material section and a second material section both extending radially through a thickness of the wall, the first material section comprises a first structural property and a first height and the second material section comprises a second structural property and a second height, where the first structural property differs from the second structural property and in at least one region of the tubular body, the first height differs from the second height;
and
wherein along a transition region of the tubular body a width of the first material section increases while a width of the second material section decreases causing a structural property of the transition region to vary along the transition region.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/902,154Filed 15 Jun 2020 · us provisional application
Priority: 15 Jun 2019
Published: US 2021/0001079 A17 Jan 2021
Granted: 3 Aug 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

A61M 25/0053
With embedded materials for reinforcement, e.g. wires, coils, braids: having a variable stiffness along the longitudinal axis, e.g. by varying the…
A61M 25/0141
Tip steering devices: having flexible regions as a result of using materials with different mechanical properties
A61M 25/005
Characterised by structural features: with embedded materials for reinforcement, e.g. wires, coils, braids
A61M 25/0054
Characterised by structural features: with regions for increasing flexibility

Family

Application62/862,035Us provisional application · filed 15 Jun 2019
US 2021/0001079 A1Pre-grant publication · published 7 Jan 2021
US 11,077,285 B2This patent

From the US filing history. Foreign family members aren’t listed.

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