Source: http://www.google.com/patents/US5312337?dq=6031454
Timestamp: 2014-11-26 01:00:25
Document Index: 10398578

Matched Legal Cases: ['art 50', 'art 50', 'art 250', 'art 250', 'art 250', 'art 250']

Patent US5312337 - Catheter attachment device - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA connector for detachably securing an end of a tube, such as a catheter, to a fluid port of a fluid transfer device, such as an implantable device, the connector having a body part which defines a coupler for coupling to a coupler receiver of the transfer device. The connector includes a sleeve which...http://www.google.com/patents/US5312337?utm_source=gb-gplus-sharePatent US5312337 - Catheter attachment deviceAdvanced Patent SearchPublication numberUS5312337 APublication typeGrantApplication numberUS 07/894,823Publication dateMay 17, 1994Filing dateJun 8, 1992Priority dateOct 10, 1990Fee statusPaidAlso published asCA2091568A1, CA2091568C, DE9190145U1, DE69123752D1, DE69123752T2, EP0553254A1, EP0553254B1, US5129891, WO1992007215A1Publication number07894823, 894823, US 5312337 A, US 5312337A, US-A-5312337, US5312337 A, US5312337AInventorsJ. Christopher Flaherty, William J. Gorman, Paul V. Fenton, Jr., Kelly A. Moynihan, Andrew M. Mailloux, Thomas M. YoungOriginal AssigneeStrato Medical CorporationExport CitationBiBTeX, EndNote, RefManPatent Citations (24), Referenced by (97), Classifications (17), Legal Events (9) External Links: USPTO, USPTO Assignment, EspacenetCatheter attachment deviceUS 5312337 AAbstract A connector for detachably securing an end of a tube, such as a catheter, to a fluid port of a fluid transfer device, such as an implantable device, the connector having a body part which defines a coupler for coupling to a coupler receiver of the transfer device. The connector includes a sleeve which fits within the body part and defines an aperture for compressively receiving an end of the tube which has been fitted over a fluid port of the transfer device. The body part is rotatable about the sleeve to facilitate coupling of the coupler and coupler receiver. In one embodiment the sleeve has an inner diameter at one end large enough to slide freely over the tube when it is fitted over the fluid port, and the diameter decreases at an intermediate point along the length of the sleeve to provide for compressive axial movement of the tube to form an annular thickness portion of the tube where it abuts the face of the transfer device.
What is claimed is: 1. Connector apparatus for coupling an end of a resilient tube about the exterior of a tubular extension of a fluid transfer device, said tube having a nominal inner diameter d' and having a wall thickness t when positioned about the exterior of said tubular extension, said extension extending along a port axis and having an outer diameter d, and a length at least equal to l2, where d is greater than or equal to d', said connector apparatus comprising:A. a rigid tubular sleeve having an interior wall and extending along a reference axis from a first end to a second end, said sleeve having a first inner diameter Ds1 at said first end, where Ds1 is equal to at least about d +2t, and a second inner diameter Ds2 at an intermediate point a distance l1 from said first end, where l1 is less than or equal to l2 along said reference axis between said first and second end, where Ds2 is less than Ds1 and greater than d, and B. a rigid body part disposed about said tubular sleeve and associated capture means for capturing said sleeve within said body part, whereby said sleeve is freely rotatable about said reference axis with respect to said body part,wherein said body part further includes twist lock means at said first end, responsive to coaxial alignment of said port axis and said reference axis and to subsequent rotation of said body part about said reference axis and said port axis, for selectively engaging said body part to said fluid transfer device having said tubular extension, when said sleeve is coaxial with and positioned about said tubular extension. 2. A connector apparatus in accordance with claim 1 wherein said sleeve first end has an abutment face for abutting against said fluid transfer device.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS FIG. 1 is a perspective view of a connector 10 in accordance with the present invention, showing general cooperation of a cylindrical compression sleeve 40 (having an inner diameter Ds) fitted within a body part 50. Body part 50 is provided with extensions, such as pins or wing elements 54a, 54b, and, along with sleeve 40, generally forms a general T-shaped coupler extending along a central reference axis 12 for coupling with a generally T-shaped coupler receiver of a cooperating fluid transfer device.
Cover 36 is formed of a self-resealing polymer, which is preferably an elastomer such as silicone, rubber or latex, and is adapted to permit access to the reservoir cavity 34 using a hypodermic needle. Hence, in use, a hypodermic needle may be employed to puncture cover 36 to deliver a treatment fluid to reservoir cavity 34. The treatment fluid is then delivered to catheter 20 coupled to the tubular port 37 (having outer diameter d, where d is less than Ds) of device 30, whereby the fluid is provided to the vascular system of the patient. Device 30 may alternatively be configured to permit out-flow of body fluids, for example, blood in conjunction with a hemodialysis procedure. Device housing 32 is preferably formed of a biocompatible material, such as titanium or electro-polished 316 L stainless steel or other surgical grade steel or other hard material such as DuPont Delrin� or Teflon�.
The rigid body part 250 includes wing elements 254a and 254b forming a front flange on the body part to be rotated into an interlocking relationship with the void region of the transfer device as illustrated in FIGS. 13A through 13C. In addition, a securing element 262 attached to wing elements 254a, is approximately centered on the arcuate edge of wing elements 254a, and generally is in abutting relationship with the rear face of that wing. Securing element 262 provides a convenient lever for rotating the body part 250 to engage the wings with the fluid transfer device voids for interlocking the body part and the fluid transfer device together, as well as a tie down hole 262b for suturing the body part to the fluid transfer device. On the opposite side of the body 250, located at approximately 180�, with respect to the securing element 262 is a retention member 201. This extends out from the body part radially a short distance (less than the wing element 254b on the corresponding side) and has a thickness approximately the same as that of the securing element 262. This retention element serves the function of retaining the body part 250 in its engaged locked in, position with respect to the transfer device, after the body part 250 has been rotated into engagement. The retention member 201 may be formed with a generally quarter round cross section to interact with the beveled lower surface 241 of the receiver extension portion 41, allowing the retention member 201 to slide readily by this portion 41, under clockwise rotation and once past, the flat edge of the retention element 201 provides a positive lock preventing inadvertent body part rotation. The details of this operation will be discussed below.
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Bard, Inc.Catheter connector systemUS20110270187 *Apr 20, 2011Nov 3, 2011Nelson Brian DBody portal anchors and systemsWO2004034940A1 *Oct 16, 2003Apr 29, 2004Radiant Medical IncValved connector assembly and sterility barriers for heat exchange catheters and other closed loop cathetersWO2005065766A2 *Dec 15, 2004Jul 21, 2005Medtronic Minimed IncModular catheter systemWO2005102442A1 *Dec 22, 2004Nov 3, 2005Beaupre ToddDual lumen port with f-shaped connector* Cited by examinerClassifications U.S. Classification285/278, 604/175, 285/280, 604/535International ClassificationF16L33/22, A61M39/12, A61M39/00, A61M39/02Cooperative ClassificationY10S604/905, A61M2039/0211, A61M39/0208, A61M2039/1033, A61M39/12, A61M39/105European ClassificationA61M39/10M, A61M39/12, A61M39/02BLegal EventsDateCodeEventDescriptionMar 10, 2010ASAssignmentOwner name: RITA MEDICAL SYSTEMS, LLC,NEW YORKEffective date: 20070129Free format text: MERGER;ASSIGNOR:RITA MEDICAL SYSTEMS INC;REEL/FRAME:024055/0073Owner name: ANGIODYNAMICS, INC,NEW YORKFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:RITA MEDICAL SYSTEMS, LLC;REEL/FRAME:024055/0079Effective date: 20081017Mar 8, 2010ASAssignmentOwner name: RITA MEDICAL SYSTEMS, INC,CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HORIZON MEDICAL PRODUCTS INC;REEL/FRAME:024035/0660Effective date: 20081017Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:STRATO/INFUSAID;REEL/FRAME:024055/0106Effective date: 19970620Owner name: HORIZON MEDICAL PRODUCTS INC,GEORGIASep 27, 2005FPAYFee paymentYear of fee payment: 12Aug 9, 2004ASAssignmentOwner name: STRATO/INFUSAID, INC., GEORGIAFree format text: RELEASE OF PATENTS;ASSIGNOR:STANDARD FEDERAL BANK NATIONAL ASSOCIATION, ACTING BY AND THROUGH LASALLE BUSINESS CREDIT, LLC, AS ITS AGENT;REEL/FRAME:014953/0840Effective date: 20040728Owner name: STRATO/INFUSAID, INC. 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