Reloadable automatic or manual emergency injection system
First Claim
Patent Images
1. A fluid medication injection apparatus comprising:
- a barrel having a cavity therein;
the barrel also having a muzzle end through which the needle passes during injection;
a removable cap detachably connected to the muzzle end of the barrel, the removable cap having a needle passageway through which the needle can extend;
a syringe subassembly within the barrel and sized to slide within the cavity, the syringe subassembly having an ampule for housing fluid medication, a needle, and a plunger for forcing the fluid medication from the ampule through the needle;
a protective sheath provided on the needle;
a driver for forcing the syringe subassembly to inject the needle and displace fluid medication through the needle, the driver being movable between a cocked position and extended positions;
a driver release for controllably releasing the driver from the cocked position into an extended position; and
a sheath remover detachably connected to the removable cap for engaging and removing the protective sheath from the needle.
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Accused Products
Abstract
A reloadable automatic or manually usable medicine injection apparatus having a barrel which receives a syringe subassembly. The syringe subassembly includes an ampule for housing fluid medication, a needle, a plunger stopper, and plunger shaft which allow removal and manual use. The injection apparatus includes a driver for forcing the syringe subassembly to inject the needle and displace fluid medication. The injection apparatus preferably includes a trigger handle, sheath remover, and removable stop system for delivery of multiple doses.
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Citations
38 Claims
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1. A fluid medication injection apparatus comprising:
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a barrel having a cavity therein;
the barrel also having a muzzle end through which the needle passes during injection;a removable cap detachably connected to the muzzle end of the barrel, the removable cap having a needle passageway through which the needle can extend; a syringe subassembly within the barrel and sized to slide within the cavity, the syringe subassembly having an ampule for housing fluid medication, a needle, and a plunger for forcing the fluid medication from the ampule through the needle; a protective sheath provided on the needle; a driver for forcing the syringe subassembly to inject the needle and displace fluid medication through the needle, the driver being movable between a cocked position and extended positions; a driver release for controllably releasing the driver from the cocked position into an extended position; and a sheath remover detachably connected to the removable cap for engaging and removing the protective sheath from the needle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A fluid medication injection apparatus comprising:
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a barrel having a cavity therein, the barrel having a muzzle end and a proximal end; a syringe subassembly positioned within the barrel and mounted to allow relative slidable motion of the syringe subassembly within the cavity;
the syringe subassembly having an ampule for housing fluid medication, a needle, and a plunger for forcing the fluid medication from the ampule through the needle;a driver for forcing the syringe subassembly to inject the needle and displace fluid medication through the needle, the driver being movable between a cocked position and extended positions; a driver release for controllably releasing the driver from the cocked position into an extended position; and a trigger handle connected to activate the driver release, said trigger handle having a sleeve portion which extends along and over substantial portions of the barrel to form a handle which is grasped by a user'"'"'s hand;
said sleeve portion extending 75% of the barrel length and being slidable relative to said barrel;
said trigger handle being connected so as to release the driver release when the trigger handle is moved upon the barrel toward the muzzle end. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A dual use fluid medication injection apparatus capable of both mechanically powered administration and manual administration of a fluid medication, comprising:
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a barrel having a cavity therein; a manually usable syringe subassembly positioned within the barrel and sized to slide within the cavity, the syringe subassembly having; an ampule for housing fluid medication; a needle in fluid communication with said ampule; a plunger for forcing the fluid medication from the ampule through the needle;
said plunger including a plunger shaft and a plunger portion which extends from the ampule to allow manual depression of the plunger to dispense fluid from the ampule;said barrel including at least a first part and a second part which are manually detachable to allow removal and installation of the syringe subassembly; a driver for forcing the syringe subassembly to inject the needle and displace fluid medication through the needle, the driver being movable between a cocked position and extended positions; said plunger being unattached to said driver to allow removal of said syringe subassembly from the barrel while in cocked or extended positions; a driver release for controllably releasing the driver from the cocked position into an extended position; a sheath remover detachably connected to a muzzle end of the barrel for engaging and removing a protective sheath from the needle; a removable cap detachably connected to the muzzle end of the barrel, the removable cap having a needle passageway through which the needle can extend; and the sheath remover is frictionally mounted to slide onto the removable cap.
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22. A dual use fluid medication injection apparatus capable of both mechanically powered administration and manual administration of a fluid medication, comprising:
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a barrel having a cavity therein; a manually usable syringe subassembly positioned within the barrel and sized to slide within the cavity, the syringe subassembly having; an ampule for housing fluid medication; a needle in fluid communication with said ampule; a plunger for forcing the fluid medication from the ampule through the needle;
said plunger including a plunger shaft and a plunger portion which extends from the ampule to allow manual depression of the plunger to dispense fluid from the ampule;said barrel including at least a first part and a second part which are manually detachable to allow removal and installation of the syringe subassembly; a driver for forcing the syringe subassembly to inject the needle and displace fluid medication through the needle, the driver being movable between a cocked position and extended positions; said plunger being unattached to said driver to allow removal of said syringe subassembly from the barrel while in cocked or extended positions; a driver release for controllably releasing the driver from the cocked position into an extended position; a sheath remover detachably connected to a muzzle end of the barrel for engaging and removing a protective sheath from the needle; a removable cap detachably connected to the muzzle end of the barrel; and the sheath remover is detachably connected to the removable cap, the sheath remover having an aperture formed therein which receives and grips the protective sheath for removal.
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23. A dual use fluid medication injection apparatus capable of both mechanically powered administration and manual administration of a fluid medication, comprising:
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a barrel having a cavity therein; a manually usable syringe subassembly positioned within the barrel and sized to slide within the cavity, the syringe subassembly having; an ampule for housing fluid medication; a needle in fluid communication with said ampule; a plunger for forcing the fluid medication from the ampule through the needle;
said plunger including a plunger shaft and a plunger portion which extends from the ampule to allow manual depression of the plunger to dispense fluid from the ampule;said barrel including at least a first part and a second part which are manually detachable to allow removal and installation of the syringe subassembly; a driver for forcing the syringe subassembly to inject the needle and displace fluid medication through the needle, the driver being movable between a cocked position and extended positions; said plunger being unattached to said driver to allow removal of said syringe subassembly from the barrel while in cocked or extended positions; a driver release for controllably releasing the driver from the cocked position into an extended position; a trigger handle connected to activate the driver release, said trigger handle having a sleeve portion which extends along and over substantial portions of the barrel to form a handle which is grasped by a user'"'"'s hand;
said sleeve portion extending 75% of the barrel length and being slidable relative to said barrel;
said trigger handle being connected so as to release the driver release when the trigger handle is moved upon the barrel toward the muzzle end. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A dual use fluid medication injection apparatus capable of both mechanically powered administration and manual administration of a fluid medication, comprising:
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a barrel having a cavity therein; a manually usable syringe subassembly positioned within the barrel and sized to slide within the cavity, the syringe subassembly having; an ampule for housing fluid medication; a needle in fluid communication with said ampule; a plunger for forcing the fluid medication from the ampule through the needle;
said plunger including a plunger shaft and a plunger portion which extends from the ampule to allow manual depression of the plunger to dispense fluid from the ampule;said barrel including at least a first part and a second part which are manually detachable to allow removal and installation of the syringe subassembly; a driver for forcing the syringe subassembly to inject the needle and displace fluid medication through the needle, the driver being movable between a cocked position and extended positions; said plunger being unattached to said driver to allow removal of said syringe subassembly from the barrel while in cocked or extended positions; a driver release for controllably releasing the driver from the cocked position into an extended position; a sheath remover detachably connected to a muzzle end of the barrel for engaging and removing a protective sheath from the needle; a plurality of stops within the barrel for halting movement of the driver. - View Dependent Claims (36)
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37. A fluid medication injection apparatus comprising:
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a barrel having a cavity therein, the barrel having a muzzle end and a proximal end; a syringe subassembly positioned within the barrel and mounted to allow relative slidable motion of the syringe subassembly within the cavity;
the syringe subassembly having;an ampule for housing fluid medication; a needle; a plunger for forcing the fluid medication from the ampule through the needle; a plunger shaft connected to said plunger; an adjustable plunger shaft head threadably connected to the plunger shaft for adjustment relative thereto to allow adjustment of the overall length of the ampule; a driver for forcing the syringe subassembly to inject the needle and displace fluid medication through the needle, the driver being movable between a cocked position and extended positions;
said driver contacting the adjustable plunger shaft head;a driver release for controllably releasing the driver from the cocked position into an extended position; a plurality of stops within the barrel for halting movement of the driver. - View Dependent Claims (38)
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Specification