US 12,318,552 B2Granted

Collapsible thin-walled valve for drainage control

AssigneeC. R. Bard, Inc.

InventorsDavid M. Simiele, Jason Jishen Cheng, Varad Chavan, Rohit Sinha

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Abstract

Embodiments disclosed herein are directed to a drainage control system including, a tubular body with a tubular body lumen extending from a distal end to a proximal end and a collapsible tube disposed within the tubular body lumen, the collapsible tube including a collapsible tube lumen extending from a distal end to a proximal end of the collapsible tube. The collapsible tube can be attached to the tubular body, such that fluid flow through the tubular body lumen flows through the collapsible tube lumen. The tubular body can include a valve that is actuatable between a first configuration wherein fluid flow is allowed through the tubular body lumen and a second configuration wherein fluid flow is prevented through the tubular body lumen. An airflow source can be coupled to the valve such that pressure from the airflow source actuates the valve.

Claims17

Dependent claims

A drainage system, comprising:

a tubular body including a tubular body lumen and an occlusion side port in fluid communication with the tubular body lumen, wherein the occlusion side port comprises a check valve that permits fluid flow into the tubular body lumen and prevents fluid flow out of the tubular body lumen;
and
a collapsible tube disposed in the tubular body lumen and sealably attached to an inside surface of the tubular body at both a proximal end and a distal end of the collapsible tube;
wherein a circumference of the collapsible tube at the distal end thereof is sealably attached to the inside surface of the tubular body:
wherein the occlusion side port is in fluid communication with an outside surface of the collapsible tube, and wherein the occlusion side port is disposed proximal the distal end of the collapsible tube;
wherein the circumference of the collapsible tube at the proximal end of the collapsible tube is sealably attached to the inside surface of the tubular body forming an annular chamber between the inside surface of the tubular body and the outside surface of the collapsible tube, wherein the occlusion side port is in fluid communication with the annular chamber;
wherein the occlusion side port comprises a relief valve, wherein the relief valve is configured to release pressure from the annular chamber when the relief valve is open;
and
wherein fluid flow through the tubular body lumen flows through a collapsible tube lumen, wherein the collapsible tube is designed to collapse to a collapsed state to prevent fluid flow through the tubular body lumen, wherein when the collapsible tube is in the collapsed state, the check valve maintains a pressure in the tubular body lumen greater than a pressure within the collapsible tube lumen;
and
an occlusion fluid pump coupled to the occlusion side port, wherein a flow of fluid through the occlusion side port exerts a force on the outside surface of the collapsible tube causing the collapsible tube to collapse.

8 more elements

A method of moving fluid through a drainage lumen, comprising:

collapsing a collapsible tube to a collapsed position, the collapsible tube coupled to an inside surface of a tubular body at both a proximal end and a distal end thereof, the collapsible tube sealably attached along an entire circumference of both the proximal end and the distal end to define an annular chamber between the inside surface of the tubular body and an outside surface of the collapsible tube, the tubular body defining a portion of the drainage lumen, wherein collapsing the collapsible tube includes pumping air by way of an occlusion fluid pump, through an occlusion side port and establishing an occlusion of the drainage lumen, wherein a flow of fluid through the occlusion side port exerts a force on the outside surface of the collapsible tube causing the collapsible tube to collapse, wherein the occlusion side port is in fluid communication with the outside surface of the collapsible tube and the annular chamber, and wherein the occlusion side port is disposed proximal the distal end of the collapsible tube;
pumping air into the drainage lumen through a purging side port of the tubular body proximal the collapsible tube to urge fluid disposed within the drainage lumen in a proximal direction;
maintaining the collapsible tube in the collapsed position by maintaining a pressure in the annular chamber greater than a pressure in the drainage lumen;
and
subsequent to pumping air into the drainage lumen to urge fluid disposed within the drainage lumen in the proximal direction, actuating a relief valve included with the occlusion side port to release pressure from the annular chamber.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/526,994Filed 15 Nov 2021 · us provisional application
Priority: 18 Nov 2020
Published: US 2022/0152345 A119 May 2022
Granted: 3 Jun 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification17 codes

A61M 1/83
Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems:…
A61M 25/0017
Catheters; Hollow probes: specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
A61M 1/732
Comprising sensors or indicators for physical values: visual indicating means for vacuum pressure
A61M 1/742
Suction control: by changing the size of a vent