Adjustable medium diverter

• US 10,010,673 B2
• Filed: 09/11/2015
• Issued: 07/03/2018
• Est. Priority Date: 08/28/2012
• Status: Active Grant

• Current Assignee: Osprey Medical, Inc.
• Original Assignee: Osprey Medical, Inc.
• Inventors: Burns, Matthew M., Doan, Tuan M., Houfburg, Rodney L., Kaye, David M., Mortier, Todd J.
• Primary Examiner(s): Osinski, Bradley J
• Assistant Examiner(s): Shah, Nilay
• Application Number:
  US14/851,939
• Publication Number:
  US 20160106915A1
• Time in Patent Office: 1,026 Days
• CPC Class Codes: A61M 2039/2413 designed to reduce and or shut-off the flow when a certain maximum flow limit is exceeded
• CPC Class Codes: A61M 2205/3331 Pressure; Flow
• CPC Class Codes: A61M 2205/3334 Measuring or controlling the flow rate
• CPC Class Codes: A61M 2205/3337 Controlling, regulating pressure or flow by means of a valve by-passing a pump
• CPC Class Codes: A61M 2205/3341 stabilising pressure or flow to avoid excessive variation
• CPC Class Codes: A61M 2205/3344 Measuring or controlling pressure at the body treatment site
• CPC Class Codes: A61M 2205/3355 Controlling downstream pump pressure
• CPC Class Codes: A61M 2206/22 eliminating pulsatile flows, e.g. by the provision of a dampening chamber
• CPC Class Codes: A61M 2210/125 Heart
• CPC Class Codes: A61M 2210/127 Aorta
• CPC Class Codes: A61M 39/12 for joining a flexible tube to a rigid attachment
• CPC Class Codes: A61M 39/24 Check- or non-return valves
• CPC Class Codes: A61M 5/007 for contrast media
• CPC Class Codes: A61M 5/14 Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
• CPC Class Codes: A61M 5/1408 in parallel, e.g. manifolds, sequencing valves access sites A61M39/02; tube connectors A61M39/10
• CPC Class Codes: A61M 5/14212 Pumping with an aspiration and an expulsion action
• CPC Class Codes: A61M 5/14216 Reciprocating piston type
• CPC Class Codes: A61M 5/16813 by controlling the degree of opening of the flow line
• CPC Class Codes: A61M 5/16881 Regulating valves on-off valves, e.g. clamps A61M39/28
• CPC Class Codes: A61M 5/48 having means for varying, regulating, indicating or limiting injection pressure A61M5/142 takes precedence ; monitoring pressure in infusion systems A61M5/16854
• CPC Class Codes: A61M 5/482 : Varying injection pressure, e.g. by varying speed of injection
• CPC Class Codes: A61M 5/484 : Regulating injection pressure
• CPC Class Codes: A61M 5/488 : Limiting injection pressure
• CPC Class Codes: F04B 11/0033 : with a mechanical spring
• CPC Class Codes: F04B 49/06 : Control using electricity regulating by means of floats actuating electric switches F04B49/04
• CPC Class Codes: F16K 15/00 : Check valves valves specially adapted for inflatable balls A63B41/00
• CPC Class Codes: F16K 15/023 : the valve member consisting only of a predominantly disc-shaped flat element
• CPC Class Codes: F16K 15/06 : with guided stems
• CPC Class Codes: F16K 17/0473 : Multiple-way safety valves
• CPC Class Codes: F16K 17/048 : combined with other safety valves, or with pressure control devices
• CPC Class Codes: G16H 20/17 : delivered via infusion or injection
• CPC Class Codes: G16H 30/20 : for handling medical images, e.g. DICOM, HL7 or PACS

Abstract

A system for modulating delivery of a fluid medium to a selected site within a patient'"'"'s body includes a syringe for injecting the fluid medium, a delivery catheter including a conduit for delivering the fluid medium from outside of the body to the selected site within the body, a medium reservoir configured to receive a portion of the fluid medium, and a flow diverter assembly disposed in a fluid medium flow path between the syringe and the delivery catheter. The syringe includes a chamber for receiving the fluid medium therein. The flow diverter assembly is configured to divert the portion of the fluid medium from the chamber of the syringe away from the delivery of the medium through the delivery catheter conduit during injecting with the syringe, and simultaneously increase medium fluid flow resistance with increasing pressure level of the fluid medium within the flow diverter assembly.

Claims

1. A system for modulating delivery of a fluid medium to a selected site within a patient'"'"'s body, the system comprising:

a syringe for injecting the fluid medium, the syringe comprising a chamber for receiving the fluid medium therein;

a delivery catheter comprising a conduit for delivering the fluid medium from outside of the body to the selected site within the body;

a flow diverter assembly disposed in a fluid medium flow path between the syringe and the delivery catheter, the flow diverter assembly configured to simultaneously divert at least some of the fluid medium within the chamber of the syringe away from the delivery of the medium through the delivery catheter conduit during injecting with the syringe, and wherein the flow diverter assembly creates increasing medium fluid flow resistance with increasing pressure level of the fluid medium passing into the flow diverter assembly; and

a fluid coupling element having a lumen therethrough, wherein the coupling element includes;

a first medium port fluidly coupled to the flow diverter assembly,

a second medium port fluidly coupled to the syringe, and

a third medium port fluidly coupled to the delivery catheter;

wherein the flow diverter assembly comprises a valve operably connected to the coupling element;

wherein the coupling element is a stopcock that comprises a diverter arm, and wherein the valve comprises;

a valve housing attached to the diverter arm, wherein the valve housing and the diverter arm define an internal chamber therein, the internal chamber having a longitudinal axis therethrough, wherein the valve housing comprises a cylindrical pocket, the valve further comprising a valve compression plate disposed in the cylindrical pocket; and

a diffuser received within the internal chamber, the diffuser being movable along the longitudinal axis, wherein the diffuser comprises a radial shoulder, the valve further comprising a deformable o-ring disposed between the radial shoulder and a face of the valve compression plate, wherein the face of the valve compression plate comprises a discontinuity, wherein;

the valve compression plate comprises an inner opening and an outer circumferential face; and

the discontinuity is in the form of a first groove channel that extends radially between the inner opening and an outer circumferential face.

2. The system of claim 1, wherein the first groove channel is wider at the outer circumferential face than at the inner opening.

3. The system of claim 2, wherein the discontinuity further comprises a second groove channel disposed within the first groove channel, wherein the second groove channel is deeper than the first groove channel.