Classifications

• • 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
  • A61M39/22—Valves or arrangement of valves
• • 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
  • A61M39/22—Valves or arrangement of valves
  • A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
• • 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
  • A61M2039/1027—Quick-acting type connectors
• • 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
  • A61M39/22—Valves or arrangement of valves
  • A61M39/24—Check- or non-return valves
  • A61M2039/2433—Valve comprising a resilient or deformable element, e.g. flap valve, deformable disc
• • 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
  • A61M2207/00—Methods of manufacture, assembly or production
• • 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
  • Y10T29/00—Metal working
  • Y10T29/49—Method of mechanical manufacture
  • Y10T29/49405—Valve or choke making
  • Y10T29/49412—Valve or choke making with assembly, disassembly or composite article making

Definitions

• Needleless valve systems have various components such as, but not limited to, a housing, valve portion and a base portion. Moreover, different types of needleless valve systems (e.g. , positive displacement, negative displacement) require different types of components. Accordingly, a manufacturer of the needleless valve systems is unable to use components designed for one type needleless valve system for assembling the other type of needleless valve system.
• Fig. 1A illustrates an embodiment of a base portion and a first type of valve.
• Fig. 1 B illustrates an embodiment of a base portion and a second type of valve.
• FIG. 2 illustrates an embodiment of a needleless valve system.
• FIG. 3A illustrates an embodiment of a needleless valve system.
• Fig. 3B illustrates an embodiment of a needleless valve system.
• FIG. 4 illustrates an embodiment of a method for assembling a needleless valve system.
• Figures 1A-B depicts embodiments of cross-sectional views of base portion 130 coupled to different types of valves.
• Figure 1A depicts base portion 130 coupled to positive displacement valve 120A
• Figure 1 B depicts base portion 130 coupled to negative displacement valve 120B. Therefore, base portion 130 can be used for assembly of both a positive displacement needleless valve system and a negative displacement needleless valve system, which will be described in further detail below.
• a positive displacement needleless valve expels fluid upon the disconnection of the needleless valve with a medical device (e.g., needleless syringe, catheter, etc.) by way of air within air channels 122 and
• a medical device e.g., needleless syringe, catheter, etc.
• a negative displacement valve does not include air channel 122 and therefore, does not expel fluid upon the disconnection of the needleless valve with a medical device.
• base potion 130 includes body 132, valve coupling feature 134, air channel (or chamber) 136, interface 137 and port 138.
• Components of base portion 130 may be coupled together or may be integral.
• base portion 130 may be a single molded piece or may be separate components coupled together.
• base portion 130 is comprised of a rigid material (e.g., polycarbonate).
• Valve coupling feature 134 is configured to facilitate in the coupling of base portion 130 with different types of valves, for example, positive displacement valve 120A and negative displacement valve 120B.
• valve coupling feature 134 protrudes from body 32 and includes features that retain valve 120A.
• valve coupling feature 134 matingly corresponds to base retaining feature 125 disposed in the base portion 124 of valve 120A.
• valve 120A is disposed of a resilient material.
• base portion 124 is able to resiliently expand and then contract around valve coupling feature 34 such that base coupling feature 125 mates with corresponding valve coupling feature 134. Accordingly, base portion 130 and valve 120A are coupled together for assembly in a needleless valve system.
• valve 120B may also be coupled to base portion 130 in the same manner as described above.
• valve 120B includes at least the same base portion 124 and base coupling feature 125 as valve 120A.
• positive displacement valve 120A and negative displacement valve 120B are identical except that positive displacement valve 120A includes air channel 122 and negative displacement valve 120B does not.
• positive displacement valve 120A and negative displacement valve 120B may be physically different from one another (e.g., shape of the body, material, etc.)
• Air channel 136 is configured to pneumatically associate with air channel 122 when base portion 130 and positive displacement valve 120A are coupled together.
• air channel 136 and air channel 122 are coaxial and have the same diameter.
• Figure 2 depicts an embodiment of a cross-sectional view of needleless valve system 200.
• Needleless valve system 200 includes a subassembly of base portion 130 and positive displacement valve 120A.
• needleless valve system 200 includes negative displacement valve 120B.
• needleless valve system 200 can be assembled to be a positive displacement needleless valve system or a negative displacement needleless valve system requiring only one type of base portion (e.g., base portion 130) that may be coupled to either positive displacement valve 120A or negative displacement valve 120B.
• base portion 130 e.g., base portion 130
• needleless valve system 200 For purposes of clarity and brevity, the discussion regarding needleless valve system 200 will be directed towards a positive displacement needleless valve system.
• Needleless valve system 200 also includes housing 240.
• housing 240 includes the sub-assembly of base portion 130 and positive displacement valve 120A (coupled together).
• Base portion 130 and housing 240 are coupled together such that base portion 130 and positive displacement valve 120A are retained within housing 240.
• base portion 130 and housing 240 are sealed together such that the seal is air tight and water tight.
• Housing 240 and base portion 130 may be coupled together by a various of coupling means.
• the coupling may be achieved by adhesive, ultrasonic welding, etc.
• Housing 240 includes fitting 244 for mating with another medical device, such as a catheter.
• fitting 244 includes female luer fitting 245.
• fitting 244 may be a separate component that is coupled to housing 240 or may be integral with housing 240.
• housing 240 also include male luer fitting 242 for mating with female luer fitting of a medical device (e.g., needleless syringe).
• a medical device compresses positive displacement valve 120A within housing 240, thereby breaking the seal between the housing and positive displacement valve 120A. Fluid is then conveyed through housing 240.
• a male luer of a needleless syringe is inserted through port 250 and compresses positive displacement valve 120A within housing 240.
• a fluid is conveyed from the needleless syringe around compressed positive displacement valve 120A and through port 138 to a catheter (not shown).
• a male luer of a needleless syringe is inserted through port 250 and compresses positive displacement valve 120A within housing 240 and blood is drawn from a patient through port 138, around compressed positive displacement valve 120A and into the needleless syringe.
• positive displacement valve 120A resiliently expands to its original position (as shown) and reseals port 250 of housing 240.
• air channels 122 and 136 are filled with air when positive displacement valve 120A is in the uncompressed state. The air is dispelled out of needleless valve system 200 when positive
• displacement valve 120A moves from an uncompressed to compressed state.
• the air is recalled into needleless valve system 200 when positive
• displacement valve 120A moves from a compressed to uncompressed state, thereby, dispelling fluid through port 138 such that blood does not enter into housing 240 via the catheter.
• FIG. 3A-B depicts embodiments of cross-sectional views of needleless valve systems 300A-B. Needleless valve systems 300A-B are similar to needleless valve system 200, as described above. [0034] With reference to Figure 3A, in one embodiment, needleless valve system 300A includes stem 31 OA that protrudes from housing 340A. In one embodiment, stem 31 OA protrudes from housing 340A to form a shape similar to a ⁇ ." However, in various embodiments, stem 31 OA can protrude from any angle from housing 340A.
• Port 315A is configured to allow conveyance of another fluid into housing 340A.
• stem 31 OA is interfaces with a tube connected to an IV bag. Accordingly, fluid from the IV bag is able to flow through port 315A into housing 340A and subsequently to a patient.
• Needleless valve system 300B is similar to needleless valve system 300A. However, in one embodiment, stem 310B protrude perpendicularly from housing 340B to form a "T" shape. However, in various embodiments, stem 310B can protrude from any angle from housing 340B.
• Figure 4 depicts an embodiment of method 400 for assembling a needleless valve system.
• a selected valve is obtained by selecting a valve for the needleless valve assembly, wherein the selection is between a first type of valve or a second type of valve.
• a manufacturer of needleless valve systems has an inventory of positive displacement valves (e.g., positive displacement valve 120A) for assembly of positive displacement needleless valve systems and an inventory of negative displacement valves (e.g., negative displacement valve 120B) for assembly of negative
• displacement valves are obtained by selecting 500 positive displacement valves (rather than 500 negative displacement valves) to manufacture the 500 positive displacement needleless valve systems.
• a selected valve is obtained, wherein the selection is between a positive displacement valve (e.g., positive displacement valve 120A) and a negative displacement valve (e.g., negative displacement valve 120B).
• a positive displacement valve e.g., positive displacement valve 120A
• a negative displacement valve e.g., negative displacement valve 120B
• the selected valve is coupled to a base, wherein the base is suited to be coupled to either the first type of valve or the second type of valve.
• the selected valve e.g., positive displacement valve 120A
• base portion 130 is configured to be coupled to either a first type of valve (e.g., positive displacement valve 120A) or a second type of valve (e.g., negative displacement valve 120B).
• the selected valve is coupled to a single type of base.
• base portion 130 is utilized for both the assembly of a positive displacement needleless valve systems and the assembly of negative displacement needleless valve systems. Therefore, either positive displacement valve 120A is coupled to base portion 130 or negative displacement valve portion 120B is coupled to base portion 30.
• two different types of base portions are not required to assemble a positive displacement needleless valve system and a negative displacement needleless valve system.
• a base coupling feature of the selected valve is coupled to a valve coupling feature of the base.
• base coupling feature 125 is coupled to valve coupling feature 134.
• a snap-fit feature of the selected valve is coupled to a snap-fit feature of the base.
• the snap-fit feature of base coupling feature 125 is snapped around valve coupling feature 134.
• the base is coupled to a housing, wherein the valve is disposed in the housing of the needleless valve assembly.
• base portion 130 is coupled to housing 240, wherein positive displacement valve 20A is disposed in housing 240 of needleless valve assembly 200.
• a base portion for a needleless valve system comprising:
• valve coupling feature disposed on said body, wherein said valve coupling feature is configured for coupling to a base coupling feature of a valve of a first type and a base coupling feature of a valve of a second type.
• an air channel configured for association with an air channel in a positive displacement valve.
• valve coupling feature further comprises:
• a needleless valve system comprising:
• valve wherein said valve is a valve of a first type or a valve of a second type, wherein said valve comprises:
• a base portion comprising: a valve coupling feature coupled with said base coupling feature of said valve;
• valve is disposed within said housing.
• valve of said first type is a positive displacement valve
• valve of said second type is a negative displacement valve
• valve coupling feature further comprises:
• an air channel configured for association with an air channel in a positive displacement valve.
• a method for assembling a needleless valve system comprising:
• obtaining a selected valve wherein said selected valve is obtained by selecting a valve for said needleless valve system, wherein said selection is between a first type of valve or a second type of valve; and coupling said selected valve to a base, wherein said base is suited to be coupled to either said first type of valve or said second type of valve.

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• Health & Medical Sciences (AREA)
• Heart & Thoracic Surgery (AREA)
• Pulmonology (AREA)
• Engineering & Computer Science (AREA)
• Anesthesiology (AREA)
• Biomedical Technology (AREA)
• Hematology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Infusion, Injection, And Reservoir Apparatuses (AREA)
• Check Valves (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (6)

Families Citing this family (20)

Citations (6)

Family Cites Families (4)

• 2012
  • 2012-01-26 US US13/359,332 patent/US9409007B2/en active Active
• 2013
  • 2013-01-17 WO PCT/US2013/021970 patent/WO2013112352A1/en not_active Ceased
  • 2013-01-17 JP JP2014554743A patent/JP6318092B2/ja active Active
  • 2013-01-17 EP EP13741365.4A patent/EP2806923B1/en active Active
  • 2013-01-17 AU AU2013212594A patent/AU2013212594B2/en active Active
  • 2013-01-17 CA CA2862325A patent/CA2862325C/en active Active

Patent Citations (6)

Non-Patent Citations (1)

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