Medical injector
First Claim
1. An injector apparatus, comprising:
- a housing defining a reservoir;
a pusher slidably surrounded by a recess defined by said housing and movable between a first position and a second position;
a plunger slidably surrounded by said reservoir, said plunger coupled to said pusher;
a liquid dispensing needle coupled to said plunger, said needle comprising a channel in fluid communication with said reservoir, said needle contained within said housing when said pusher is in said first position;
a spring positioned to bias said pusher toward said first position; and
a pivotable safety guard attached to said housing and positioned to pivotably cover and uncover said recess.
5 Assignments
0 Petitions
Accused Products
Abstract
Embodiments of the present invention include a device comprising a substantially planar housing defining a reservoir; a plunger disposed at least partially within said reservoir and movable between a first position and a second position; a liquid dispensing needle coupled to said plunger, said needle comprising a channel in fluid communication with said reservoir, said needle contained within said housing when said plunger is in said first position; and a spring adapted to resist movement of said plunger. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope of the invention.
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Citations
31 Claims
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1. An injector apparatus, comprising:
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a housing defining a reservoir;
a pusher slidably surrounded by a recess defined by said housing and movable between a first position and a second position;
a plunger slidably surrounded by said reservoir, said plunger coupled to said pusher;
a liquid dispensing needle coupled to said plunger, said needle comprising a channel in fluid communication with said reservoir, said needle contained within said housing when said pusher is in said first position;
a spring positioned to bias said pusher toward said first position; and
a pivotable safety guard attached to said housing and positioned to pivotably cover and uncover said recess. - View Dependent Claims (2, 3, 4, 5)
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6. An injector apparatus, comprising:
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a housing defining a reservoir;
a pusher surrounded by a recess defined by said housing and movable between a first position and a second position;
a plunger surrounded by said reservoir, said plunger coupled to said pusher;
a liquid dispensing needle coupled to said plunger, said needle comprising a channel in fluid communication with said reservoir, said needle contained within said housing when said pusher is in said first position;
a spring positioned to bias said pusher toward said first position; and
a guard attached to said housing and positioned to cover and uncover said recess. - View Dependent Claims (7, 8, 9, 10)
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11. A device, comprising:
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a substantially rectangular housing defining a reservoir;
a plunger disposed at least partially within said reservoir and movable between a first position and a second position;
a liquid dispensing needle coupled to said plunger, said needle comprising a channel in fluid communication with said reservoir, said needle contained within said housing when said plunger is in said first position; and
a spring adapted to resist movement of said plunger. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A device, comprising:
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a substantially rectangular housing defining a reservoir;
a plunger disposed at least partially within said reservoir and movable between a first position and a second position;
a liquid dispensing needle coupled to said plunger, said needle comprising a channel in fluid communication with said reservoir, said needle contained within said housing when said plunger is in said first position; and
a spring adapted to bias said plunger. - View Dependent Claims (22, 23, 24, 25)
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26. A device, comprising:
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a substantially rectangular housing defining a reservoir;
a plunger disposed at least partially within said reservoir and movable between a first position and a second position;
a liquid dispensing needle coupled to said plunger, said needle comprising a channel in fluid communication with said reservoir, said needle contained within said housing when said plunger is in said first position; and
a biasing means for returning said plunger to said first position. - View Dependent Claims (27, 28, 29, 30)
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31. A device, comprising:
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a substantially planar housing defining a reservoir;
a sealing member disposed at least partially within said reservoir and movable between a first position and a second position;
a liquid dispensing needle coupled to said sealing member, said needle comprising a channel in fluid communication with said reservoir, said needle contained within said housing when said sealing member is in said first position; and
a biasing means for returning said sealing member to said first position.
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Specification