MLchartDataset catalogue

Patent · US9687249B2 · B2 · US

Safety connector assembly

(11) Publication number
US9687249B2
(21) Application number
13/651,799
(22) Filing date
2012-10-15
(30) Priority date
2006-09-21
(43) Publication date
2017-06-27
(45) Date of grant
2017-06-27
(51) IPC
A61B 17/135; A61H 9/00; A61M 39/10; F16B 7/04; F16B 9/02; F16L 25/00
(52) CPC
  • A61B Diagnosis; surgery; identification: 17/135
  • A61H Physical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body; artificial respiration; massage; bathing devices for special therapeutic or hygienic purposes or specific parts of the body: 2205/12, 9/0078
  • A61M Devices for introducing media into, or onto, the body; devices for transducing body media or for taking media from the body; devices for producing or ending sleep or stupor {}: 2039/1027, 2039/1094, 2205/6045, 39/10, 39/1011
  • F16B Devices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges; joints or jointing: 7/0413, 7/0426, 9/02
  • F16L Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general: 2201/20, 25/00
  • Y10T Technical subjects covered by former us classification: 137/9029, 403/30, 403/70
(73) Assignee
Covidien LP
(72) Inventors
James G. Hanlon; David Rork Swisher
(54) Title
Safety connector assembly
(57) Abstract

A connector assembly includes first and second mating connectors that can be joined to make a fluid connection. The connectors are constructed to discriminate improper connectors so that no fluid tight connection can be formed with improper connectors. The connector assembly can be used with a system for compression therapy to prevent deep vein thrombosis. The first connector includes a bleed passage.

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Claims (16)

  1. A connector assembly for preventing sealing connection with a non-permitted, substantially uniform internal diameter conduit having an end face, the connector assembly comprising a first connector having a floor and a coupling portion, the coupling portion projecting outward from the floor, the coupling portion including a sealing surface and a non-sealing surface, the non-sealing surface being located closer to a free end of the first connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, the sealing surface having an outer diameter that is greater than an outer diameter of at least a portion of the non-sealing surface, and a bleed passage in the first connector located generally adjacent the floor for bleeding fluid out of the connector assembly when the non-permitted conduit is attached to the coupling portion, the assembly further comprising at least one stand-off rib projecting outwardly from the floor for engaging the end face of the conduit and spacing the end face of the conduit from the floor, the bleed passage being at least partially defined between the rib and the floor.
  2. A connector assembly as set forth in claim 1 further comprising a plurality of ribs spaced generally circumferentially about the coupling portion.
  3. A connector assembly as set forth in claim 2 further comprising connecting segments extending between adjacent ribs.
  4. A connector assembly as set forth in claim 1 wherein the first connector comprises a housing including the floor.
  5. A connector assembly as set forth in claim 1 further comprising a second connector having at least one sealing member and a receptacle including an inner end and an open outer end, the sealing member being located in the receptacle nearer to the open outer end than to the inner end.
  6. A connector assembly as set forth in claim 5 wherein the second connector is sized and shaped for receiving a portion of the first connector therein.
  7. A connector assembly as set forth in claim 1 in combination with a compression therapy device controller for controlling the supply of fluid from a source of pressurized fluid to a compression therapy device, the controller comprising a housing and a fluid port in the housing, the connector assembly being adapted for connection to the fluid port.
  8. A connector assembly as set forth in claim 1 further comprising: a second connector including a sealing member; a tube set including a tube and a third connector at one end of the tube having a sealing member adapted to engage the non-sealing surface and sealing surface of the first connector upon connection of the first and third connectors; and a second connector assembly comprising a fourth connector having a floor and a coupling portion, the coupling portion including at least one sealing surface and at least one non-sealing surface, the non-sealing surface being located closer to a free end of the fourth connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, and a bleed passage located generally adjacent the floor for bleeding fluid out of the second connector assembly, the non-sealing surface of the fourth connector being adapted to engage the sealing member of the second connector upon connection of the second and fourth connectors.
  9. A connector assembly as set forth in claim 8 in combination with a system for providing vascular compression comprising a controller and a compression therapy device, the controller including said first connector and the compression therapy device including said fourth connector.
  10. A connector assembly for preventing sealing connection with a non-permitted, substantially uniform internal diameter conduit having an end face, the connector assembly comprising a first connector having a floor and a coupling portion, the coupling portion projecting outward from the floor, the coupling portion including a sealing surface and a non-sealing surface, the non-sealing surface being located closer to a free end of the first connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, the sealing surface having an outer diameter that is greater than an outer diameter of at least a portion of the non-sealing surface, and a bleed passage in the first connector located generally adjacent the floor for bleeding fluid out of the connector assembly when the non-permitted conduit is attached to the coupling portion, wherein the bleed passage extends through the floor.
  11. A connector assembly for preventing sealing connection with a non-permitted, substantially uniform internal diameter conduit having an end face, the connector assembly comprising a first connector having a floor and a coupling portion, the coupling portion projecting outward from the floor, the coupling portion including a sealing surface and a non-sealing surface, the non-sealing surface being located closer to a free end of the first connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, and a bleed passage located generally adjacent the floor for bleeding fluid out of the connector assembly, the bleed passage extending through the floor.
  12. The connector assembly of claim 11 wherein the bleed passage extends axially through the hosing floor forming an outlet opening in the floor.
  13. The connector assembly of claim 12 wherein the bleed passage opens radially outward of the coupling portion forming an inlet opening in the floor.
  14. A connector assembly as set forth in claim 11 in combination with a compression therapy device controller for controlling the supply of fluid from a source of pressurized fluid to a compression therapy device, the controller comprising a housing and a fluid port in the housing, the connector assembly being adapted for connection to the fluid port.
  15. A connector assembly as set forth in claim 11 further comprising: a second connector including a sealing member; a tube set including a tube and a third connector at one end of the tube having a sealing member adapted to engage the non-sealing surface and sealing surface of the first connector upon connection of the first and third connectors; and a second connector assembly comprising a fourth connector having a floor and a coupling portion, the coupling portion including at least one sealing surface and at least one non-sealing surface, the non-sealing surface being located closer to a free end of the fourth connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, and a bleed passage located generally adjacent the floor for bleeding fluid out of the second connector assembly, the non-sealing surface of the fourth connector being adapted to engage the sealing member of the second connector upon connection of the second and fourth connectors.
  16. A connector assembly as set forth in claim 15 in combination with a system for providing vascular compression comprising a controller and a compression therapy device, the controller including said first connector and the compression therapy device including said fourth connector.

Description

The present disclosure relates to safety connectors for use in medical applications, particularly for use with compression therapy devices. The present disclosure also relates to discriminating safety connector assemblies and, more particularly, to a discriminating safety connector assembly for fluidly coupling at least two lumens capable of forming a non-leaking fluid circuit.

In a medical environment, many devices have tubing adapted for manual connection in order to provide a fluid connection between devices or between a device and a patient including enteral feeding pumps and intravenous feeding lines. Each of these devices includes one or more connectors that a user or practitioner may inadvertently connect together. This may result in the successful connection of incompatible devices or the supply of fluid or nutrient to an improper intravenous line or a device such as an inflatable bladder used in deep vein thrombosis therapy. Successful connection of incompatible devices may harm patients or damage equipment.

When connecting a medical device to a fluid supply, a non-leaking seal must be made between compatible devices and/or fluid sources. Thus, connections must be designed to provide an adequate seal between sealing surfaces when the devices and/or supply are compatible. Typical devices have a male and female connector that, when pressed together, form a fluid tight seal. The connectors come in different sizes and shapes and typically have O-rings or gaskets to help create a fluid tight seal.

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Record as JSON 
{
  "publication_number": "US9687249B2",
  "country": "US",
  "kind": "B2",
  "title": "Safety connector assembly",
  "abstract": "A connector assembly includes first and second mating connectors that can be joined to make a fluid connection. The connectors are constructed to discriminate improper connectors so that no fluid tight connection can be formed with improper connectors. The connector assembly can be used with a system for compression therapy to prevent deep vein thrombosis. The first connector includes a bleed passage.",
  "claims": [
    "1. A connector assembly for preventing sealing connection with a non-permitted, substantially uniform internal diameter conduit having an end face, the connector assembly comprising a first connector having a floor and a coupling portion, the coupling portion projecting outward from the floor, the coupling portion including a sealing surface and a non-sealing surface, the non-sealing surface being located closer to a free end of the first connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, the sealing surface having an outer diameter that is greater than an outer diameter of at least a portion of the non-sealing surface, and a bleed passage in the first connector located generally adjacent the floor for bleeding fluid out of the connector assembly when the non-permitted conduit is attached to the coupling portion, the assembly further comprising at least one stand-off rib projecting outwardly from the floor for engaging the end face of the conduit and spacing the end face of the conduit from the floor, the bleed passage being at least partially defined between the rib and the floor.",
    "2. A connector assembly as set forth in claim 1 further comprising a plurality of ribs spaced generally circumferentially about the coupling portion.",
    "3. A connector assembly as set forth in claim 2 further comprising connecting segments extending between adjacent ribs.",
    "4. A connector assembly as set forth in claim 1 wherein the first connector comprises a housing including the floor.",
    "5. A connector assembly as set forth in claim 1 further comprising a second connector having at least one sealing member and a receptacle including an inner end and an open outer end, the sealing member being located in the receptacle nearer to the open outer end than to the inner end.",
    "6. A connector assembly as set forth in claim 5 wherein the second connector is sized and shaped for receiving a portion of the first connector therein.",
    "7. A connector assembly as set forth in claim 1 in combination with a compression therapy device controller for controlling the supply of fluid from a source of pressurized fluid to a compression therapy device, the controller comprising a housing and a fluid port in the housing, the connector assembly being adapted for connection to the fluid port.",
    "8. A connector assembly as set forth in claim 1 further comprising: a second connector including a sealing member; a tube set including a tube and a third connector at one end of the tube having a sealing member adapted to engage the non-sealing surface and sealing surface of the first connector upon connection of the first and third connectors; and a second connector assembly comprising a fourth connector having a floor and a coupling portion, the coupling portion including at least one sealing surface and at least one non-sealing surface, the non-sealing surface being located closer to a free end of the fourth connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, and a bleed passage located generally adjacent the floor for bleeding fluid out of the second connector assembly, the non-sealing surface of the fourth connector being adapted to engage the sealing member of the second connector upon connection of the second and fourth connectors.",
    "9. A connector assembly as set forth in claim 8 in combination with a system for providing vascular compression comprising a controller and a compression therapy device, the controller including said first connector and the compression therapy device including said fourth connector.",
    "10. A connector assembly for preventing sealing connection with a non-permitted, substantially uniform internal diameter conduit having an end face, the connector assembly comprising a first connector having a floor and a coupling portion, the coupling portion projecting outward from the floor, the coupling portion including a sealing surface and a non-sealing surface, the non-sealing surface being located closer to a free end of the first connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, the sealing surface having an outer diameter that is greater than an outer diameter of at least a portion of the non-sealing surface, and a bleed passage in the first connector located generally adjacent the floor for bleeding fluid out of the connector assembly when the non-permitted conduit is attached to the coupling portion, wherein the bleed passage extends through the floor.",
    "11. A connector assembly for preventing sealing connection with a non-permitted, substantially uniform internal diameter conduit having an end face, the connector assembly comprising a first connector having a floor and a coupling portion, the coupling portion projecting outward from the floor, the coupling portion including a sealing surface and a non-sealing surface, the non-sealing surface being located closer to a free end of the first connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, and a bleed passage located generally adjacent the floor for bleeding fluid out of the connector assembly, the bleed passage extending through the floor.",
    "12. The connector assembly of claim 11 wherein the bleed passage extends axially through the hosing floor forming an outlet opening in the floor.",
    "13. The connector assembly of claim 12 wherein the bleed passage opens radially outward of the coupling portion forming an inlet opening in the floor.",
    "14. A connector assembly as set forth in claim 11 in combination with a compression therapy device controller for controlling the supply of fluid from a source of pressurized fluid to a compression therapy device, the controller comprising a housing and a fluid port in the housing, the connector assembly being adapted for connection to the fluid port.",
    "15. A connector assembly as set forth in claim 11 further comprising: a second connector including a sealing member; a tube set including a tube and a third connector at one end of the tube having a sealing member adapted to engage the non-sealing surface and sealing surface of the first connector upon connection of the first and third connectors; and a second connector assembly comprising a fourth connector having a floor and a coupling portion, the coupling portion including at least one sealing surface and at least one non-sealing surface, the non-sealing surface being located closer to a free end of the fourth connector than the sealing surface, the non-sealing surface being sized and shaped to hold the non-permitted conduit off of the sealing surface and prevent sealing therewith, and a bleed passage located generally adjacent the floor for bleeding fluid out of the second connector assembly, the non-sealing surface of the fourth connector being adapted to engage the sealing member of the second connector upon connection of the second and fourth connectors.",
    "16. A connector assembly as set forth in claim 15 in combination with a system for providing vascular compression comprising a controller and a compression therapy device, the controller including said first connector and the compression therapy device including said fourth connector."
  ],
  "description_excerpt": "The present disclosure relates to safety connectors for use in medical applications, particularly for use with compression therapy devices. The present disclosure also relates to discriminating safety connector assemblies and, more particularly, to a discriminating safety connector assembly for fluidly coupling at least two lumens capable of forming a non-leaking fluid circuit.\n\nIn a medical environment, many devices have tubing adapted for manual connection in order to provide a fluid connection between devices or between a device and a patient including enteral feeding pumps and intravenous feeding lines. Each of these devices includes one or more connectors that a user or practitioner may inadvertently connect together. This may result in the successful connection of incompatible devices or the supply of fluid or nutrient to an improper intravenous line or a device such as an inflatable bladder used in deep vein thrombosis therapy. Successful connection of incompatible devices may harm patients or damage equipment.\n\nWhen connecting a medical device to a fluid supply, a non-leaking seal must be made between compatible devices and/or fluid sources. Thus, connections must be designed to provide an adequate seal between sealing surfaces when the devices and/or supply are compatible. Typical devices have a male and female connector that, when pressed together, form a fluid tight seal. The connectors come in different sizes and shapes and typically have O-rings or gaskets to help create a fluid tight seal.",
  "cpc": [
    "A61B 17/135",
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    "A61M 39/1011",
    "F16B 7/0413",
    "F16B 7/0426",
    "F16B 9/02",
    "F16L 2201/20",
    "F16L 25/00",
    "Y10T 137/9029",
    "Y10T 403/30",
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  ],
  "ipc": [
    "A61B 17/135",
    "A61H 9/00",
    "A61M 39/10",
    "F16B 7/04",
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  ],
  "assignees": [
    "Covidien LP"
  ],
  "inventors": [
    "James G. Hanlon",
    "David Rork Swisher"
  ],
  "filing_date": "2012-10-15",
  "publication_date": "2017-06-27",
  "grant_date": "2017-06-27",
  "priority_date": "2006-09-21",
  "application_number": "US-201213651799-A",
  "family_id": "38686770",
  "cited_by_count": 41,
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Record 4,067 of 8,000 in Patents full text (MLC-0201). Request the full dataset.