Medical connectors and methods of use

• US 9,192,753 B2
• Filed: 06/19/2014
• Issued: 11/24/2015
• Est. Priority Date: 05/17/2010
• Status: Active Grant

• Current Assignee: ICU Medical Incorporated
• Original Assignee: ICU Medical Incorporated
• Inventors: Lopez, George A., Fangrow, Thomas F. Jr., Foret, Bob
• Primary Examiner(s): HAYMAN, IMANI N
• Application Number:
  US14/309,489
• Publication Number:
  US 20150013809A1
• Time in Patent Office: 523 Days
• US Class Current: 1/1
• CPC Class Codes: A61M 2005/1588 having means for monitoring, controlling or visual inspection, e.g. for patency check, avoiding extravasation
• CPC Class Codes: A61M 2039/0063 Means for alignment of the septum, e.g. septum rim with alignment holes
• CPC Class Codes: A61M 2039/0633 the seal being a passive seal made of a resilient material with or without an opening
• CPC Class Codes: A61M 2039/0686 comprising more than one seal
• CPC Class Codes: A61M 2039/1072 with a septum present in the connector
• CPC Class Codes: A61M 2039/267 having a sealing sleeve around a tubular or solid stem portion of the connector
• CPC Class Codes: A61M 2205/02 characterised by a particular materials
• CPC Class Codes: A61M 2206/20 having means for promoting or enhancing the flow, actively or passively
• CPC Class Codes: A61M 39/0613 with means for adjusting the seal opening or pressure A61M39/0693 takes precedence
• CPC Class Codes: A61M 39/10 Tube connectors; Tube couplings A61M39/02 takes precedence; connecting needles to syringes or hubs A61M5/34; connecting catheter tubes to hubs A61M25/0014
• CPC Class Codes: A61M 39/16 having provision for disinfection or sterilisation A61M39/143 takes precedence; methods or apparatus for disinfection or sterilisation A61L2/00
• CPC Class Codes: A61M 39/26 Valves closing automatically on disconnecting the line and opening on reconnection thereof check valves A61M39/24
• CPC Class Codes: F16L 37/38 with fluid cut-off means in only one of the two pipe-end fittings
• CPC Class Codes: Y10T 137/9029 With coupling

Abstract

A method providing a medical connector for use in a fluid pathway including a substantially transparent housing having a proximal end with a proximal opening and a distal end with a distal opening, and a cavity extending therebetween. The connector provides a substantially visible fluid flow path extending through a substantial portion of the connector.

Claims

1. A method of using a medical connector in conjunction with a first medical implement and a second medical implement, the method comprising:

providing the medical connector having;

a housing having a proximal end with a proximal opening and a distal end with a distal male luer opening, a cavity extending therebetween, and configured to be transparent such that the cavity is visible through the housing;

a valve member having an interior cavity, said valve member disposed within the housing and configured to be transparent such that the interior cavity is visible through the valve member, and said valve member further having a proximal end that substantially fills the housing proximal opening and includes a proximal opening that is biased closed to obstruct fluid flow therethrough, wherein the valve member is configured to selectively seal the housing proximal opening and to obstruct fluid communication between the housing proximal end and the housing distal end when the valve member is in a first position and to establish fluid communication between the housing proximal end and the housing distal end when the valve member is in a second position; and

a support member configured to be received within the valve member, said support member having an inner conduit that extends from adjacent a proximal tip portion having at least one opening that extends through the support member to the inner conduit to a distal end of the support member, and is configured to selectively establish fluid communication between the housing proximal end and the housing distal end, wherein the fluid communication between the housing proximal end and the housing distal end is established when the tip portion and opening protrude through the valve proximal opening and the valve member is provided in the second position and at least a portion of the opening is positioned proximal to the valve member proximal opening, wherein said support member is configured to be transparent such that the inner conduit is visible through the support member; and

wherein a fluid flow path establishing the fluid communication between the housing proximal end and the housing distal end is visible through at least a portion of each of the transparent housing, the transparent valve member, and the transparent support member, and wherein the fluid flow path within the inner conduit of the support member from the proximal end of the valve member when the valve member is in the second position to the housing distal end is narrower than an outer diameter of the distal end at the male luer opening;

coupling the proximal end of the housing to the first medical implement wherein a distal end of the first medical implement enters the proximal end of the housing; and

coupling the distal end of the housing to the second medical implement.

2. The method of using the medical connector of claim 1, further comprising displacing the valve member by distally delivering the first medical implement within the housing and pushing at least a portion of the proximal tip portion of the support member through the proximal opening of the valve member.

3. The method of using the medical connector of claim 1, further comprising inhibiting fluid entry into the medical connector by positioning the valve member in the first position wherein the proximal end of the valve member maintains contact with internal surfaces of the housing.

4. The method of using the medical connector of claim 1, wherein the housing comprises a body and a base, and a portion of the body overlaps a portion of the base.

5. The method of using the medical connector of claim 1, wherein the valve member further comprises radially outwardly extending protrusions that contact a housing radially inwardly extending protrusion.

6. The method of using the medical connector of claim 5, wherein the housing radially inwardly extending protrusion positions a proximal face of the valve member substantially on the same plane as a proximal face of the housing.