Vial and syringe assembly

Claim 1

A device for storing and administering a medicament, comprising: syringe means having an elongated cylindrical barrel of a first outside diameter defining a chamber therein, one end of said barrel having an opening therethrough for communication with said chamber; said barrel having an annular hub portion associated with the other end thereof and having a small opening extending axially therethrough for communication with said barrel chamber, said annular hub portion being of a second outside diameter which is substantially smaller than said first diameter and which terminates in a shoulder which extends outwardly and joins with the outer wall of said barrel; vial means having a chamber therein, said vial means including a mouth portion defining an opening therethrough for communication with said vial chamber; said vial means also having a neck portion of reduced diameter projecting outwardly from said mouth portion and containing an opening therethrough adapted to communicate with the opening defined by said mouth portion for permitting communication with said vial chamber; perforable seal means fixedly positioned between said neck portion and said mouth portion for blocking said opening through said mouth portion for sealing said vial chamber; cannula means having one end fixed within said small opening for communication with said barrel chamber, the other end of said cannula means being slidably disposed within said neck portion of reduced diameter, said other end of said cannula means being pointed and positioned adjacent said seal means for perforating same; and removable tubular sheath means surrounding said cannula means and extending between said syringe means and said vial means for connecting same together, said sheath means including an elongated center portion having a first bore of approximately said second diameter extending therethrough; said tubular sheath means including a first enlarged annular end portion integrally connected to one end of said center portion and defining a second bore having a diameter substantially equal to said first diameter, said first end portion being fixedly connected Pg,17 to the one end of said center portion by a first end wall extending radially therebetween, said first end portion surrounding and being snugly engaged with said one end of said barrel and said first end wall being abutted against said shoulder whereby said hub portion is disposed within and snugly engages said center portion; said sheath means including a second enlarged annular end portion integrally connected to the other end of said center portion and defining a third bore therein having a diameter substantially greater than the diameter of said first bore, said second end portion being fixedly connected to the other end of said center portion by a second end wall extending radially therebetween, said second end portion surrounding and being snugly and slidably engaged with the mouth portion of said vial means and said second end wall being spaced from the free end of said mouth portion, the free end of said neck portion projecting into said center portion of said sheath means, whereby said sheath means can be slidably moved toward said vial means until the second end wall abuts the free end of said mouth portion for causing the pointed end of said cannula means to perforate said seal means.

Claim 2

A device for storing and administering a medicament, comprising: syringe means having an elongated cylindrical barrel of a first outside diameter defining a chamber therein, one end of said barrel having an opening therethrough for communication with said chamber; said barrel having an annular hub portion associated with the other end thereof and having a small opening extending axially therethrough for communication with said barrel chamber, said annular hub portion being of a second outside diameter which is substantially smaller than said first diameter and which terminates in a shoulder which extends outwardly and joins with the outer wall of said barrel; vial means having a chamber therein, said vial means including a mouth portion defining an opening therethrough for communication with said vial chamber; said vial means also having a neck portion of reduced diameter projecting outwardly from said mouth portion and containing an opening therethrough adapted to communicate with the opening defined by said mouth portion for permitting communication with said vial chamber; perforable seal means fixedly positioned between said neck portion and said mouth portion for blocking said opening through said mouth portion for sealing said vial chamber; cannula means having one end fixed within said small opening for communication with said barrel chamber, the other end of said cannula means being slidably disposed within said neck portion of reduced diameter, said other end of said cannula means being pointed and positioned adjacent said seal means for perforating same; and removable tubular sheath means surrounding said cannula means and extending between said syringe means and said vial means for connecting same together, said sheath means including an elongated center portion having a first bore of approximately said second diameter extending therethrough; said tubular sheath means including a first enlarged annular end portion integrally connected to one end of said center portion and defining a second bore having a diameter substantially equal to said first diameter, said first end portion being fixedly connected Pg,17 to the one end of said center portion by a first end wall extending radially therebetween, said first end portion surrounding and being snugly engaged with said one end of said barrel and said first end wall being abutted against said shoulder whereby said hub portion is disposed within and snugly engages said center portion; said sheath means including a second enlarged annular end portion integrally connected to the other end of said center portion and defining a third bore therein having a diameter substantially greater than the diameter of said first bore, said second end portion being fixedly connected to the other end of said center portion by a second end wall extending radially therebetween, said second end portion surrounding and being snugly and slidably engaged with the mouth portion of said vial means and said second end wall being spaced from the free end of said mouth portion, the free end of said neck portion projecting into said center portion of said sheath means, whereby said sheath means can be slidably moved toward said vial means until the second end wall abuts the free end of said mouth portion for causing the pointed end of said cannula means to perforate said seal means.

Claim 5

A device for storing and administering a medicament, comprising: hollow cylindrical barrel means having a closed axial end and an open axial end; elastomeric piston means sealingly and slidably disposed within said barrel means for movement lengthwise thereof, said piston means having a central opening therethrough in a direction substantially parallel with the direction of movement of said piston means; closure means yieldably obstructing the flow of liquid from said barrel means, said closure means comprising a membrane integral with said piston means and extending across said opening, said membrane having a slit therethrough; elongated rod means having an end portion adjacent one end thereof extending into and firmly held within said opening in said piston means, said rod means having a central passage therethrough and being longer than said barrel means, whereby said rod means projects outwardly through the open axial end of said barrel means; said rod means having an annular hub portion adjacent the other end thereof, and laterally projecting grip means fixed to said rod means near said other end thereof, said grip means being spaced axially inwardly from said hub portion; vial means having a chamber therein, said vial means including a mouth portion defining an opening therethrough for communication with said vial chamber; said vial means also having a neck portion of reduced diameter projecting outwardly from said mouth portion and containing an opening therethrough adapted to communicate with the opening defined by said mouth portion for permitting communication with said vial chamber; perforable seal means fixedly positioned between said neck portion and said mouth portion for blocking said opening through said mouth portion for sealing said chamber; cannula means having one end fixed within the hub portion of said rod means and communicating with the central passage extending therethrough, said cannula means projecting outwardly from said rod means in substantial alignment therewith and being pointed at the other end thereof, the other end of said cannula means being slidably disposed within said neck portion of reduced diameter and being positioned adjacent said seal means for perforating same; and REMOVABLE tubular sheath means surrounding said cannula means and extending between said rod means and said vial means for connecting same together, said sheath means including an elongated center portion having a first bore extending therethrough; said tubular sheath means including a first annular end portion integrally connected to one end of said center portion, said first end portion surrounding and being snugly engaged with said hub portion; said sheath means including a second annular end portion which is integrally connected to and enlarged relative to the other end of said center portion, said second end portion defining a second bore therein having a diameter substantially greater than the diameter of said first bore, said second end portion being fixedly connected to the one end of said center portion by an end wall extending radially therebetween, said second end portion surrounding and being snugly and slidably engaged with the mouth portion of said vial means and said end wall being spaced from the free end of said mouth portion, the free end of said neck portion projecting into said center portion of said sheath means, whereby said sheath means can be slidably moved toward said vial means until the end wall abuts the free end of said mouth portion for causing the pointed end of said cannula means to perforate said seal means.

Claim 6

A device for storing and administering a medicament, comprising: hollow cylindrical barrel means having a closed axial end and an open axial end; elastomeric piston means sealingly and slidably disposed within said barrel means for movement lengthwise thereof, said piston means having a central opening therethrough in a direction substantially parallel with the direction of movement of said piston means; closure means yieldably obstructing the flow of liquid from said barrel means, said closure means comprising a membrane integral with said piston means and extending across said opening, said membrane having a slit therethrough; elongated rod means having an end portion adjacent one end thereof extending into and firmly held within said opening in said piston means, said rod means having a central passage therethrough and being longer than said barrel means, whereby said rod means projects outwardly through the open axial end of said barrel means; said rod means having an annular hub portion adjacent the other end thereof, and laterally projecting grip means fixed to said rod means near said other end thereof, said grip means being spaced axially inwardly from said hub portion; vial means having a chamber therein, said vial means including a mouth portion defining an opening therethrough for communication with said vial chamber; said vial means also having a neck portion of reduced diameter projecting outwardly from said mouth portion and containing an opening therethrough adapted to communicate with the opening defined by said mouth portion for permitting communication with said vial chamber; perforable seal means fixedly positioned between said neck portion and said mouth portion for blocking said opening through said mouth portion for sealing said chamber; cannula means having one end fixed within the hub portion of said rod means and communicating with the central passage extending therethrough, said cannula means projecting outwardly from said rod means in substantial alignment therewith and being pointed at the other end thereof, the other end of said cannula means being slidably disposed within said neck portion of reduced diameter and being positioned adjacent said seal means for perforating same; and REMOVABLE tubular sheath means surrounding said cannula means and extending between said rod means and said vial means for connecting same together, said sheath means including an elongated center portion having a first bore extending therethrough; said tubular sheath means including a first annular end portion integrally connected to one end of said center portion, said first end portion surrounding and being snugly engaged with said hub portion; said sheath means including a second annular end portion which is integrally connected to and enlarged relative to the other end of said center portion, said second end portion defining a second bore therein having a diameter substantially greater than the diameter of said first bore, said second end portion being fixedly connected to the one end of said center portion by an end wall extending radially therebetween, said second end portion surrounding and being snugly and slidably engaged with the mouth portion of said vial means and said end wall being spaced from the free end of said mouth portion, the free end of said neck portion projecting into said center portion of said sheath means, whereby said sheath means can be slidably moved toward said vial means until the end wall abuts the free end of said mouth portion for causing the pointed end of said cannula means to perforate said seal means.