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US 12,390,596 B2Granted
Syringes configured to inhibit forward plunger movement
AssigneeKurin, Inc.
InventorsKevin Nason, Jeffrey Veloz, Bobby E. Rogers, Nolan Pupping
Life of this patent
Estimating the term…
Abstract
Disclosed are systems that include a syringe having a barrel configured to hold a fluid and a plunger configured to draw the fluid into the barrel when the plunger is pulled backward through the barrel. The syringe is configured to inhibit forward movement of the plunger. For example, the systems can include mating pockets configured to engage barbs to inhibit forward movement of the plunger.
Claims48
A system comprising:
- a syringe comprising:
- a barrel configured to hold a fluid;
- a plunger configured to draw the fluid into the barrel when the plunger is pulled backward through the barrel;
- and
- one or more internal features comprising:
- at least one inner ridge on the barrel;
- wherein the syringe is configured such that the at least one inner ridge engages the plunger and causes frictional resistance to forward movement when the plunger moves past the at least one inner ridge, and
- wherein the one or more internal features are spaced apart in increments that correspond to indicia provided on an outside of the barrel indicating an amount of fluid collected in the barrel.
5 more elements
A system comprising:
- a syringe comprising:
- a barrel configured to hold a fluid;
- a plunger configured to draw the fluid into the barrel when the plunger is pulled backward through the barrel;
- and
- a plurality of internal features spaced apart longitudinally in increments, the plurality of internal features comprising:
- at least one inner ridge on the barrel;
- wherein the syringe is configured such that the at least one inner ridge engages the plunger and causes frictional resistance to forward movement when the plunger moves past the at least one inner ridge.
4 more elements
A system comprising:
- a syringe comprising:
- a barrel configured to hold a fluid;
- a plunger configured to draw the fluid into the barrel when the plunger is pulled backward through the barrel;
- and
- one or more internal features comprising:
- at least one inner ridge on the barrel;
- wherein the syringe is configured such that the at least one inner ridge engages the plunger and causes frictional resistance to forward movement when the plunger moves past the at least one inner ridge, and
- wherein the syringe is configured such that forward movement of the plunger is frictionally resisted when a plunger seal moves past the one or more internal features.
5 more elements
A system comprising:
- a syringe comprising:
- a barrel configured to hold a fluid;
- a plunger configured to draw the fluid into the barrel when the plunger is pulled backward through the barrel;
- and
- one or more internal features comprising:
- at least one inner ridge on the barrel;
- wherein the syringe is configured such that the at least one inner ridge engages the plunger and causes frictional resistance to forward movement when the plunger moves past the at least one inner ridge, and
- wherein the syringe is configured such that forward movement of the plunger is frictionally resisted when a plunger seal moves past one of the at least one inner ridge(s) on the barrel.
5 more elements
Dependencies are inferred from the claim text.