US20110169227A1 - Mounted gasket for sterile cinnectors - Google Patents
Mounted gasket for sterile cinnectors Download PDFInfo
- Publication number
- US20110169227A1 US20110169227A1 US13/072,393 US201113072393A US2011169227A1 US 20110169227 A1 US20110169227 A1 US 20110169227A1 US 201113072393 A US201113072393 A US 201113072393A US 2011169227 A1 US2011169227 A1 US 2011169227A1
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- United States
- Prior art keywords
- gasket
- connector fitting
- appendage
- connector
- fitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/16—Tube connectors; Tube couplings having provision for disinfection or sterilisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/40—Special arrangements for pipe couplings for special environments
- F16L2201/44—Special arrangements for pipe couplings for special environments sterile
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S285/00—Pipe joints or couplings
- Y10S285/917—Metallic seals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/76—Joints and connections having a cam, wedge, or tapered portion
Definitions
- the instant invention relates to the field of mechanical connectors, and in particular to connectors for use in fluid processing machinery or other applications used in a sterilized environment.
- flange fittings typically have a hose barb (or nipple) on one side of the fitting for securing a fluid conduit, such as a flexible hose or tube.
- a flange to make a connection with another fluid conduit or piece of equipment is usually found.
- the other fluid conduit or pieces of equipment would also need to have a matching flange in order to make the proper and effective connection.
- single-use systems such as those made from disposable plastic parts and rubber tubing.
- These “single-use” systems are extremely varied, highly customized, and built to the end-users specifications for a broad range of manufacturing applications.
- the flange fitting is intended to make a connection with another flange fitting.
- a flat rubber gasket is placed between the face of the fittings.
- the gasket is designed to seat into the contours of the fitting face.
- the flange faces are pushed together (with the gasket in between) and a circular clamp is positioned around the circumference of flanges.
- the clamp has a swing-bolt that, once secured in place, permits the installer to tighten the two flange faces together and compress the gasket.
- the two fittings form a fluid conduit relatively free from dead-spots and capable of handling substantially high pressures.
- a gasket for attachment to the face of a connector fitting includes a ring portion having a thickness suitable for creating a seal when compressed between two connector fitting ends, and at least one appendage pair, where each appendage of the at least one appendage pair includes an extension for engaging a reciprocally shaped receiving component on a connector fitting end to create an at least temporarily secured attachment of the gasket to the end of the connector fitting prior to creation of a seal between two connector fitting ends.
- the connector assembly includes a connector fitting having at least one receiving component on an end of the connector fitting and a gasket having at least one appendage, where the at least one appendage of the gasket engages the at least one receiving component to create an at least temporary secured attachment of the gasket to the connector fitting end.
- a method of creating a connection between two connector fittings includes the steps of engaging some or all of the appendages of a gasket with a reciprocally shaped receiving component of the connector fitting, such that the gasket is at least temporarily secured to the end of the connector fitting, sterilizing the gasket and connector fitting, placing the end of a second connecter fitting adjacent to the gasket attached to the first connecter fitting, such that the gasket is between the ends of the two connector fittings, and clamping the two connector fitting ends and gasket such that the gasket is compressed to form a seal and thereby create a connection between the two connector fittings.
- FIG. 1 is a cross sectional view of an exemplary connector, according to an aspect of the present invention.
- FIG. 2A is a front view of an exemplary connector, according to an aspect of the present invention.
- FIG. 2B is a front view of an exemplary connector, according to an aspect of the present invention.
- FIG. 2C is a front view of an exemplary connector, according to an aspect of the present invention.
- FIG. 2D is a front view of an exemplary connector, according to an aspect of the present invention.
- FIG. 2E is a front view of an exemplary connector, according to an aspect of the present invention.
- FIG. 2F is a front view of an exemplary connector, according to an aspect of the present invention.
- FIG. 2G is a front view of an exemplary connector, according to an aspect of the present invention.
- FIG. 3A is a perspective view of an exemplary gasket, according to an aspect of the present invention.
- FIG. 3B is a side view of the exemplary gasket of FIG. 3A , according to an aspect of the present invention.
- FIG. 3C is a front view of the exemplary gasket of FIG. 3B , turned 90°;
- FIG. 4A is a perspective view of an exemplary gasket, according to an aspect of the present invention.
- FIG. 4B is a side view of the exemplary gasket of FIG. 4A , according to an aspect of the present invention.
- FIG. 4C is a front view of the exemplary gasket of FIG. 4B , turned 90°;
- FIG. 5A is a perspective view of an exemplary gasket, according to an aspect of the present invention.
- FIG. 5B is a cross sectional view of an exemplary gasket and appendage, according to an aspect of the present invention.
- FIG. 5C is a side view of an exemplary gasket and appendage, according to an aspect of the present invention.
- FIG. 5D is a cross sectional view of an exemplary gasket and appendage, according to an aspect of the present invention.
- FIG. 6A is a perspective view of an exemplary connector, according to an aspect of the present invention.
- FIG. 6B is a perspective view of the exemplary gasket of FIG. 4A engaging the exemplary connector of FIG. 6A , according to an aspect of the present invention
- FIG. 7A is a perspective view of an exemplary connector, according to an aspect of the present invention.
- FIG. 7B is a perspective view of the exemplary gasket of FIG. 5C engaging the exemplary connector of FIG. 7A , according to an aspect of the present invention.
- the present invention may generally be described as including a pre-mounted gasket on the face or fitting of a connector.
- the present invention provides for an improved and greatly simplified gasket installation process with a significantly reduced chance of contamination when used in a sterilized environment.
- This construction and attachment mechanism eliminates the operator of the device from having to locate a clean gasket in their facility.
- the gaskets may be sterilized separately or along with the fitting and entire connector system, which may remove the need for physically handling and positioning the gasket for proper sealing and compression.
- a connector having a hollow barrel 1 and connector ends formed at opposite ends of barrel 1 .
- a flange 7 is attached to and may be formed integrally with barrel 1 at a location on barrel 1 which is intermediate to the ends.
- a connector end 2 which may optionally have a larger diameter, is formed on an end of barrel 1 opposite connector end 3 .
- this general connector configuration may take on many different embodiments, as the various types of tubing, other connectors, or other machinery to which the present invention may connect to can vary.
- the gaskets as described and illustrated herein throughout may be made of plastics, polymers, rubber, silicone, EPDM, steel, or any other material or combination of materials that may be manufactured sterile or subsequently sterilized by sterilization methods as understood by those skilled in the art.
- the gasket may include one or more appendages located on the circumference or outer edge of the gasket. These appendages may be designed for engaging the face of the connector fitting for attachment.
- the appendages may be positioned at any point on the circumference of the gasket, provided that such positioning sufficiently provides for adequate attachment of the gasket to the face of the connector fitting.
- the appendages and corresponding reciprocal cavities may be alternatively positioned on the inner circumference, the outer circumference, and anywhere in between.
- two appendages 310 of gasket 300 may be used, where each appendage is on the opposite side of the circumference, or approximately 180° from each other around the circumference of the connector fitting face.
- four appendages may be used, where each appendage is on an opposite side of another appendage, where each appendage is approximately 90° from each other around the circumference of the connector fitting face.
- three appendages may be used, where each appendage is equidistant from each other, or approximately 120° from each other around the circumference of the connector fitting face.
- the gasket appendages may be designed for engaging the face of the connector fitting for attachment.
- the appendages may include any shape or structure that promotes the attachment of the gasket to the connector fitting.
- the appendages are shaped as matching pairs, in that appendages 410 of gasket 400 have a first length, such as of approximately 0.3 inches, for example, while appendages 420 may have a second length, such as of approximately 0.484 inches, for example.
- a cavity or whole 430 may be specifically sized and shaped for receiving a corresponding protrusion from the connector fitting to which the gasket must be attached.
- appendage 510 of gasket 500 may include an overhanging portion 520 for engaging a groove or other reciprocal portion of the connector fitting.
- appendage 510 of gasket 500 may include a “T” shaped block 530 for engaging the connector fitting.
- the gasket appendages may alternatively be substantially u-shaped, v-shaped, a loop shape or any other shape suitable for engaging and interlocking with the cavities or reciprocal spaces positioned in the face of the connector fitting prior to compression.
- appendage 510 of gasket 500 may include a barbed portion 540 for engaging a reciprocal portion of the connector fitting.
- the gasket may also include one or more additional connecting mechanisms, such as a detent between the gasket and the connector fitting.
- any shape or combination of shapes of one or more of the appendages may be used, provided the construction used promotes a reliable attachment of the gasket to the face of the connector fitting.
- the gasket attachment may be temporary, meaning the gasket may be removed from the connector fitting, or it may alternatively be substantially permanent, meaning the gasket cannot be removed the connector fitting without at least a partial destruction of the gasket and/or connector fitting.
- the face of the connector fitting may have one or more cavities or reciprocal spaces sized and shaped for receiving and/or interlocking with the appendages of the gasket described herein.
- Any sort of protrusion such as a shelf or hanger portion may be of any shape or contour, and may extend from within the cavity or from the outer edge of the circumference of the connector fitting face, provided such extension does not ultimately interfere with a clamp for connecting the two connector ends and gasket to create a seal suitable for a fluid connection.
- These cavities or reciprocal spaces, including any protrusions may serve as “key slots” for engaging, receiving and/or interlocking the corresponding gasket appendages, and therefore creating a “lock and key” mechanism for either a temporary or substantially permanent attachment of the gasket to the fitting face.
- connector fitting 600 may include a first pair of matching cavities 610 , inside of which is a protrusion 620 .
- Connector fitting 600 may also include a second pair of matching cavities 630 that are larger than cavities 610 , such that cavities 630 reduce the radial distance of the outer edge of the connector fitting circumference.
- cavities 630 may include their own protrusion 640 .
- gasket 650 may engage connector fitting 600 for a temporary but secure attachment.
- the first gasket appendage pair 660 having a hole therein engages reciprocal connector fitting cavities 610 , with protrusion 620 fitting within the hole of appendage 660 .
- connector fitting 700 may include matching “T” shaped cavities 710 , for receiving corresponding “T” shaped appendages 730 of gasket 720 . It should be appreciated that this connection mechanism may work for any gasket appendage and reciprocal cavity shapes as described herein and as understood by those skilled in the art.
- the number of such cavities or reciprocal spaces should at least be equal to the number of gasket appendages. Additional cavities or reciprocal spaces may be present, provided such spaces do not interfere with the sealing of the fittings and gasket structure when compressed.
- the gasket appendages may be installed to the connector fitting face prior to sterilization and/or sealing of any surrounding pouch.
- Adhesives and/or various thermal methods may also be used in conjunction with the attachment mechanism as described herein.
- the present invention also includes a method of creating a connection between two connector fittings.
- the method may include the steps of engaging some or all of the appendages of a gasket with a reciprocally shaped receiving component of the connector fitting, such that the gasket is at least temporarily secured to the end of the connector fitting, sterilizing the gasket and connector fitting, placing the end of a second connecter fitting adjacent to the gasket attached to the first connecter fitting, such that the gasket is between the ends of the two connector fittings, and clamping the two connector fitting ends and gasket such that the gasket is compressed to form a seal and thereby create a connection between the two connector fittings.
- the method may alternatively require that the gasket and first connector fitting are sterilized prior to securing the gasket to the first connector fitting, or may alternatively require that the gasket and first connector fitting are sterilized subsequent to securing the gasket to the first connector fitting.
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- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
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- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
A gasket, connector assembly and method of creating a connection is described. The gasket includes a ring portion having a thickness suitable for creating a seal when compressed between two connector fitting ends, and at least one appendage pair, where each appendage of the at least one appendage pair includes an extension for engaging a reciprocally shaped receiving component on a connector fitting end to create an at least temporarily secured attachment of the gasket to the end of the connector fitting prior to creation of a seal between two connector fitting ends. The connector assembly includes a connector fitting having at least one receiving component on an end of the connector fitting and a gasket having at least one appendage, where the at least one appendage of the gasket engages the at least one receiving component to create an at least temporary secured attachment of the gasket to the connector fitting end.
Description
- This application claims priority of U.S. Patent Application Ser. No. 61/069,337, filed Mar. 13, 2008, and is related to concurrently filed U.S. patent application Ser. No. ______, filed Oct. 30, 2008 and entitled CONNECTOR, GASKET AND METHOD OF ATTACHING THE SAME, the entire disclosures of which are incorporated by reference herein as if being set forth in their entireties.
- The instant invention relates to the field of mechanical connectors, and in particular to connectors for use in fluid processing machinery or other applications used in a sterilized environment.
- Sanitary style flange fittings have been around for decades. For example, steel fittings are used widely in the dairy, pharmaceutical and biotechnology manufacturing industries.
- These flange fittings typically have a hose barb (or nipple) on one side of the fitting for securing a fluid conduit, such as a flexible hose or tube. On the other side of the fitting, a flange to make a connection with another fluid conduit or piece of equipment is usually found. Using this design, the other fluid conduit or pieces of equipment would also need to have a matching flange in order to make the proper and effective connection.
- However, the biotech and pharmalogical manufacturing industry has been moving away from these steel process systems and embracing what are commonly referred to as “single-use” systems, such as those made from disposable plastic parts and rubber tubing. These “single-use” systems are extremely varied, highly customized, and built to the end-users specifications for a broad range of manufacturing applications.
- An example of a single-use sanitary flange fitting can be found in U.S. Pat. No. 6,893,428 (“the '428 patent”), the entire disclosure of which is incorporated by reference herein as if set forth in its entirety. As described in the '428 patent, an over-wrap bag is attached to a flange formed near the middle of the connector. The over-wrap bag maintains the sterility of the enclosed end of the connector. The other end of the connector is typically attached to a piece of tubing or conduit in communication with another larger bag, which has been rendered sterile collectively with the connector. Sterile fluids pumped into the bag, either though the connector itself, or through some other opening in the larger bag, will not be contaminated.
- In use, the flange fitting is intended to make a connection with another flange fitting. To make the connection, a flat rubber gasket is placed between the face of the fittings. The gasket is designed to seat into the contours of the fitting face. The flange faces are pushed together (with the gasket in between) and a circular clamp is positioned around the circumference of flanges. The clamp has a swing-bolt that, once secured in place, permits the installer to tighten the two flange faces together and compress the gasket. Once connected, the two fittings form a fluid conduit relatively free from dead-spots and capable of handling substantially high pressures.
- However, a drawback to these sterile flange fittings involves the installation of the gasket during connection. For example, the operator making the connection must hold the gasket in place, while at the same time align the flange faces and install the clamp around the fittings and gasket. This is a clumsy, cumbersome process at best and highly prone to contamination. Therefore, a need exists for a device, mechanism and method for readily attaching the gasket portion to the fittings of a connector while maintaining a sterile environment.
- A gasket for attachment to the face of a connector fitting is described. The gasket includes a ring portion having a thickness suitable for creating a seal when compressed between two connector fitting ends, and at least one appendage pair, where each appendage of the at least one appendage pair includes an extension for engaging a reciprocally shaped receiving component on a connector fitting end to create an at least temporarily secured attachment of the gasket to the end of the connector fitting prior to creation of a seal between two connector fitting ends.
- A connector assembly is also described. The connector assembly includes a connector fitting having at least one receiving component on an end of the connector fitting and a gasket having at least one appendage, where the at least one appendage of the gasket engages the at least one receiving component to create an at least temporary secured attachment of the gasket to the connector fitting end.
- A method of creating a connection between two connector fittings is also described. The method includes the steps of engaging some or all of the appendages of a gasket with a reciprocally shaped receiving component of the connector fitting, such that the gasket is at least temporarily secured to the end of the connector fitting, sterilizing the gasket and connector fitting, placing the end of a second connecter fitting adjacent to the gasket attached to the first connecter fitting, such that the gasket is between the ends of the two connector fittings, and clamping the two connector fitting ends and gasket such that the gasket is compressed to form a seal and thereby create a connection between the two connector fittings.
- Understanding of the present invention will be facilitated by consideration of the following detailed description of the embodiments of the present invention taken in conjunction with the accompanying drawings, in which like numerals refer to like parts and in which:
-
FIG. 1 is a cross sectional view of an exemplary connector, according to an aspect of the present invention; -
FIG. 2A is a front view of an exemplary connector, according to an aspect of the present invention; -
FIG. 2B is a front view of an exemplary connector, according to an aspect of the present invention; -
FIG. 2C is a front view of an exemplary connector, according to an aspect of the present invention; -
FIG. 2D is a front view of an exemplary connector, according to an aspect of the present invention; -
FIG. 2E is a front view of an exemplary connector, according to an aspect of the present invention; -
FIG. 2F is a front view of an exemplary connector, according to an aspect of the present invention; -
FIG. 2G is a front view of an exemplary connector, according to an aspect of the present invention; -
FIG. 3A is a perspective view of an exemplary gasket, according to an aspect of the present invention; -
FIG. 3B is a side view of the exemplary gasket ofFIG. 3A , according to an aspect of the present invention; -
FIG. 3C is a front view of the exemplary gasket ofFIG. 3B , turned 90°; -
FIG. 4A is a perspective view of an exemplary gasket, according to an aspect of the present invention; -
FIG. 4B is a side view of the exemplary gasket ofFIG. 4A , according to an aspect of the present invention; -
FIG. 4C is a front view of the exemplary gasket ofFIG. 4B , turned 90°; -
FIG. 5A is a perspective view of an exemplary gasket, according to an aspect of the present invention; -
FIG. 5B is a cross sectional view of an exemplary gasket and appendage, according to an aspect of the present invention; -
FIG. 5C is a side view of an exemplary gasket and appendage, according to an aspect of the present invention; -
FIG. 5D is a cross sectional view of an exemplary gasket and appendage, according to an aspect of the present invention; -
FIG. 6A is a perspective view of an exemplary connector, according to an aspect of the present invention; -
FIG. 6B is a perspective view of the exemplary gasket ofFIG. 4A engaging the exemplary connector ofFIG. 6A , according to an aspect of the present invention; -
FIG. 7A is a perspective view of an exemplary connector, according to an aspect of the present invention; and -
FIG. 7B is a perspective view of the exemplary gasket ofFIG. 5C engaging the exemplary connector ofFIG. 7A , according to an aspect of the present invention. - It is to be understood that the figures and descriptions of the present invention have been simplified to illustrate elements that are relevant for a clear understanding of the present invention, while eliminating, for the purpose of clarity, many other elements found in typical mechanical connectors. Those of ordinary skill in the art will recognize that other elements and/or steps are desirable and/or required in implementing the present invention. However, because such elements and steps are well known in the art, and because they do not facilitate a better understanding of the present invention, a discussion of such elements and steps is not provided herein. The disclosure herein is directed to all such variations and modifications to such elements and methods known to those skilled in the art. Furthermore, the embodiments identified and illustrated herein are for exemplary purposes only, and are not meant to be exclusive or limited in their description of the present invention.
- The present invention may generally be described as including a pre-mounted gasket on the face or fitting of a connector. The present invention provides for an improved and greatly simplified gasket installation process with a significantly reduced chance of contamination when used in a sterilized environment. This construction and attachment mechanism eliminates the operator of the device from having to locate a clean gasket in their facility. The gaskets may be sterilized separately or along with the fitting and entire connector system, which may remove the need for physically handling and positioning the gasket for proper sealing and compression.
- According to an aspect of the present invention and as illustrated in
FIG. 1 , a connector is shown having ahollow barrel 1 and connector ends formed at opposite ends ofbarrel 1. A flange 7 is attached to and may be formed integrally withbarrel 1 at a location onbarrel 1 which is intermediate to the ends. A connector end 2, which may optionally have a larger diameter, is formed on an end ofbarrel 1 oppositeconnector end 3. As shown inFIGS. 2A-2G , this general connector configuration may take on many different embodiments, as the various types of tubing, other connectors, or other machinery to which the present invention may connect to can vary. - According to an aspect of the present invention, the gaskets as described and illustrated herein throughout may be made of plastics, polymers, rubber, silicone, EPDM, steel, or any other material or combination of materials that may be manufactured sterile or subsequently sterilized by sterilization methods as understood by those skilled in the art.
- According to an aspect of the present invention, the gasket may include one or more appendages located on the circumference or outer edge of the gasket. These appendages may be designed for engaging the face of the connector fitting for attachment. The appendages may be positioned at any point on the circumference of the gasket, provided that such positioning sufficiently provides for adequate attachment of the gasket to the face of the connector fitting. For example, the appendages and corresponding reciprocal cavities may be alternatively positioned on the inner circumference, the outer circumference, and anywhere in between.
- As shown in
FIGS. 3A-3C , twoappendages 310 ofgasket 300 may be used, where each appendage is on the opposite side of the circumference, or approximately 180° from each other around the circumference of the connector fitting face. As shown inFIGS. 4A-4C , four appendages may be used, where each appendage is on an opposite side of another appendage, where each appendage is approximately 90° from each other around the circumference of the connector fitting face. In yet another example, three appendages may be used, where each appendage is equidistant from each other, or approximately 120° from each other around the circumference of the connector fitting face. - As explained previously, the gasket appendages may be designed for engaging the face of the connector fitting for attachment. The appendages may include any shape or structure that promotes the attachment of the gasket to the connector fitting. By non-limiting example only and referring again to
FIGS. 4A-4C , the appendages are shaped as matching pairs, in that appendages 410 ofgasket 400 have a first length, such as of approximately 0.3 inches, for example, whileappendages 420 may have a second length, such as of approximately 0.484 inches, for example. Likewise, a cavity or whole 430 may be specifically sized and shaped for receiving a corresponding protrusion from the connector fitting to which the gasket must be attached. - In another embodiment of the present invention, as shown in
FIGS. 5A and 5B ,appendage 510 ofgasket 500 may include an overhangingportion 520 for engaging a groove or other reciprocal portion of the connector fitting. In yet other embodiments, such as that shown inFIG. 5C , for example,appendage 510 ofgasket 500 may include a “T” shapedblock 530 for engaging the connector fitting. The gasket appendages may alternatively be substantially u-shaped, v-shaped, a loop shape or any other shape suitable for engaging and interlocking with the cavities or reciprocal spaces positioned in the face of the connector fitting prior to compression. Further still, as shown inFIG. 5D ,appendage 510 ofgasket 500 may include a barbed portion 540 for engaging a reciprocal portion of the connector fitting. The gasket may also include one or more additional connecting mechanisms, such as a detent between the gasket and the connector fitting. - It should be appreciated that any shape or combination of shapes of one or more of the appendages may be used, provided the construction used promotes a reliable attachment of the gasket to the face of the connector fitting. In all cases, the gasket attachment may be temporary, meaning the gasket may be removed from the connector fitting, or it may alternatively be substantially permanent, meaning the gasket cannot be removed the connector fitting without at least a partial destruction of the gasket and/or connector fitting.
- Likewise, the face of the connector fitting may have one or more cavities or reciprocal spaces sized and shaped for receiving and/or interlocking with the appendages of the gasket described herein. Any sort of protrusion, such as a shelf or hanger portion may be of any shape or contour, and may extend from within the cavity or from the outer edge of the circumference of the connector fitting face, provided such extension does not ultimately interfere with a clamp for connecting the two connector ends and gasket to create a seal suitable for a fluid connection. These cavities or reciprocal spaces, including any protrusions, may serve as “key slots” for engaging, receiving and/or interlocking the corresponding gasket appendages, and therefore creating a “lock and key” mechanism for either a temporary or substantially permanent attachment of the gasket to the fitting face.
- For example, as shown in
FIG. 6A , connector fitting 600 may include a first pair of matchingcavities 610, inside of which is aprotrusion 620. Connector fitting 600 may also include a second pair of matchingcavities 630 that are larger thancavities 610, such thatcavities 630 reduce the radial distance of the outer edge of the connector fitting circumference. Likewise,cavities 630 may include theirown protrusion 640. As shown inFIG. 6B ,gasket 650 may engage connector fitting 600 for a temporary but secure attachment. As shown, the firstgasket appendage pair 660 having a hole therein engages reciprocal connectorfitting cavities 610, withprotrusion 620 fitting within the hole ofappendage 660. Likewise, the secondgasket appendage pair 670, also having a hole therein, engages reciprocal connectorfitting cavities 630, withcorresponding protrusion 640 fitting within the hole ofappendage 670. In another embodiment as shown inFIGS. 7A and 7B , connector fitting 700 may include matching “T” shapedcavities 710, for receiving corresponding “T” shapedappendages 730 ofgasket 720. It should be appreciated that this connection mechanism may work for any gasket appendage and reciprocal cavity shapes as described herein and as understood by those skilled in the art. - The number of such cavities or reciprocal spaces should at least be equal to the number of gasket appendages. Additional cavities or reciprocal spaces may be present, provided such spaces do not interfere with the sealing of the fittings and gasket structure when compressed.
- During manufacture of the fitting, the gasket appendages may be installed to the connector fitting face prior to sterilization and/or sealing of any surrounding pouch. Adhesives and/or various thermal methods, as understood by those skilled in the art, may also be used in conjunction with the attachment mechanism as described herein.
- The present invention also includes a method of creating a connection between two connector fittings. For example, in no particular order, the method may include the steps of engaging some or all of the appendages of a gasket with a reciprocally shaped receiving component of the connector fitting, such that the gasket is at least temporarily secured to the end of the connector fitting, sterilizing the gasket and connector fitting, placing the end of a second connecter fitting adjacent to the gasket attached to the first connecter fitting, such that the gasket is between the ends of the two connector fittings, and clamping the two connector fitting ends and gasket such that the gasket is compressed to form a seal and thereby create a connection between the two connector fittings. The method may alternatively require that the gasket and first connector fitting are sterilized prior to securing the gasket to the first connector fitting, or may alternatively require that the gasket and first connector fitting are sterilized subsequent to securing the gasket to the first connector fitting.
- Those of ordinary skill in the art will recognize that many modifications and variations of the present invention may be implemented without departing from the spirit or scope of the invention. Thus, it is intended that the present invention cover the modification and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1-11. (canceled)
12. A gasket for attachment to the face of a connector fitting, comprising:
a ring portion suitable for creating a seal when compressed between two connector fitting ends; and
at least one appendage pair, wherein each appendage of the at least one appendage pair includes an extension for engaging a reciprocally shaped receiving component on a connector fitting end to at least temporarily secure attachment of the gasket to the end of the connector fitting prior to creation of a seal between two connector fitting ends.
13. The gasket of claim 12 , wherein the gasket is sterile.
14. The gasket of claim 12 , wherein each appendage of the at least one appendage pair includes a hole sized to receive a protrusion extending from a cavity within said reciprocally shaped receiving component of said a connector fitting when said gasket is attached to said connector fitting end.
15. The gasket of claim 12 , wherein each pair of the at least one appendage pairs are of different sizes that correspond to at least an equal number of reciprocally shaped receiving components.
16. The gasket of claim 12 , wherein at least one of the at least one appendage pair includes an overhanging portion.
17. The gasket of claim 12 , wherein at least one of the at least one appendage pair is “T”-shaped.
18. The gasket of claim 12 , wherein at least one of the at least one appendage pair includes a barbed portion.
19. The gasket of claim 12 , wherein at least the ring portion of said gasket is composed of silicone.
20. The gasket of claim 12 , wherein the ring portion includes at least one ridge for engaging a reciprocal groove in the face of the connector fitting end to which the gasket attaches.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/072,393 US20110169227A1 (en) | 2008-03-13 | 2011-03-25 | Mounted gasket for sterile cinnectors |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6933708P | 2008-03-13 | 2008-03-13 | |
US12/261,539 US7950700B2 (en) | 2008-03-13 | 2008-10-30 | Connector assembly for sterile connectors |
US13/072,393 US20110169227A1 (en) | 2008-03-13 | 2011-03-25 | Mounted gasket for sterile cinnectors |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/261,539 Division US7950700B2 (en) | 2008-03-13 | 2008-10-30 | Connector assembly for sterile connectors |
Publications (1)
Publication Number | Publication Date |
---|---|
US20110169227A1 true US20110169227A1 (en) | 2011-07-14 |
Family
ID=41062178
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/261,669 Abandoned US20090232595A1 (en) | 2008-03-13 | 2008-10-30 | Connector, Gasket and Method of Attaching The Same |
US12/261,539 Active 2029-05-21 US7950700B2 (en) | 2008-03-13 | 2008-10-30 | Connector assembly for sterile connectors |
US13/072,393 Abandoned US20110169227A1 (en) | 2008-03-13 | 2011-03-25 | Mounted gasket for sterile cinnectors |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/261,669 Abandoned US20090232595A1 (en) | 2008-03-13 | 2008-10-30 | Connector, Gasket and Method of Attaching The Same |
US12/261,539 Active 2029-05-21 US7950700B2 (en) | 2008-03-13 | 2008-10-30 | Connector assembly for sterile connectors |
Country Status (8)
Country | Link |
---|---|
US (3) | US20090232595A1 (en) |
EP (1) | EP2263033B1 (en) |
CN (1) | CN101970924B (en) |
DK (1) | DK2263033T3 (en) |
ES (1) | ES2711319T3 (en) |
HK (1) | HK1153800A1 (en) |
PL (1) | PL2263033T3 (en) |
WO (1) | WO2009114698A1 (en) |
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Also Published As
Publication number | Publication date |
---|---|
EP2263033B1 (en) | 2018-11-21 |
US7950700B2 (en) | 2011-05-31 |
US20090232595A1 (en) | 2009-09-17 |
EP2263033A4 (en) | 2013-01-16 |
HK1153800A1 (en) | 2012-04-05 |
ES2711319T3 (en) | 2019-05-03 |
WO2009114698A1 (en) | 2009-09-17 |
EP2263033A1 (en) | 2010-12-22 |
CN101970924B (en) | 2015-09-30 |
DK2263033T3 (en) | 2019-03-18 |
PL2263033T3 (en) | 2019-07-31 |
CN101970924A (en) | 2011-02-09 |
US20090230633A1 (en) | 2009-09-17 |
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Legal Events
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |