ASPIRATION AND INJECTION DEVICE
First Claim
Patent Images
1. A syringe comprising:
- a barrel having an inner lumen and a flange extending radially from a proximal end portion of the barrel for facilitating handling of the syringe during operation; and
a plunger having a plunger rod and a plunger head, the plunger rod having a distal end portion at least partially disposed within the inner lumen of the barrel and a proximal end portion coupled to the plunger head, the plunger head comprising proximal and distal-facing surfaces and a plurality of engagement structures extending distally from the distal-facing surface to facilitate gripping with a user'"'"'s thumb during operation of the syringe.
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Accused Products
Abstract
An aspiration and injection device is provided that can allow for ergonomic, safe, and precise aspiration of a target site and ejection of a medicament to the target site. The device can include a syringe barrel, a flange extender couplable to the barrel, and plunger that can be engaged by a hand and/or one or more finger of a user to perform aspiration and injection at a target site.
63 Citations
25 Claims
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1. A syringe comprising:
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a barrel having an inner lumen and a flange extending radially from a proximal end portion of the barrel for facilitating handling of the syringe during operation; and a plunger having a plunger rod and a plunger head, the plunger rod having a distal end portion at least partially disposed within the inner lumen of the barrel and a proximal end portion coupled to the plunger head, the plunger head comprising proximal and distal-facing surfaces and a plurality of engagement structures extending distally from the distal-facing surface to facilitate gripping with a user'"'"'s thumb during operation of the syringe. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A syringe comprising:
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a barrel having a flange extending radially therefrom; a plunger disposed at least partially within the barrel; and a flange extender having a central body and opposing grip members extending radially from the central body, the central body having a proximal end, a distal end, and a longitudinal bore extending between the proximal and distal ends, the central body further comprising an engagement slot extending from a side surface of the central body into the longitudinal bore, and between the proximal and distal ends, to permit insertion thereinto of the barrel and the flange for facilitating removable coupling of the flange extender with the barrel. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification