Methods and devices for autoflush syringes
First Claim
1. A syringe comprising:
- a first chamber;
a cartridge movable within the first chamber, wherein the cartridge comprises;
a cartridge chamber comprising a liquid disposed within the cartridge chamber and a fluid gap located in the cartridge chamber and adjacent to the liquid and retained adjacent to the liquid until displaced by a change in volume of the cartridge chamber,a valve in fluid communication with the cartridge chamber and immediately adjacent to the fluid gap where the fluid gap separates the liquid disposed within the cartridge chamber from the first chamber, the first chamber and having an open configuration and a closed configuration, the valve allowing movement of a liquid out of the cartridge chamber while in an open configuration,a second end, movable within the cartridge chamber, anda locking mechanism having a locked configuration and an unlocked configuration, the locking mechanism preventing movement of the second end within the cartridge chamber while in the locked configuration.
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Accused Products
Abstract
Described herein are syringe devices, systems and methods. In general, the syringe may include a first chamber and a cartridge movable within the first chamber. The cartridge may include a cartridge chamber and a valve in fluid communication with the cartridge chamber and the first chamber and having an open configuration and a closed configuration. The valve may allow movement of a liquid out of the cartridge chamber while in a open configuration. The cartridge may also include a second end, movable within the cartridge chamber, and a locking mechanism having a locked configuration and an unlocked configuration, the locking mechanism preventing movement of the second end within the cartridge chamber while in the locked configuration.
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Citations
27 Claims
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1. A syringe comprising:
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a first chamber; a cartridge movable within the first chamber, wherein the cartridge comprises; a cartridge chamber comprising a liquid disposed within the cartridge chamber and a fluid gap located in the cartridge chamber and adjacent to the liquid and retained adjacent to the liquid until displaced by a change in volume of the cartridge chamber, a valve in fluid communication with the cartridge chamber and immediately adjacent to the fluid gap where the fluid gap separates the liquid disposed within the cartridge chamber from the first chamber, the first chamber and having an open configuration and a closed configuration, the valve allowing movement of a liquid out of the cartridge chamber while in an open configuration, a second end, movable within the cartridge chamber, and a locking mechanism having a locked configuration and an unlocked configuration, the locking mechanism preventing movement of the second end within the cartridge chamber while in the locked configuration. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification