Syringe for mixing and dispensing adipose tissue
First Claim
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1. A device for introducing into a target region of a patient, a combination of adipose tissue and an additive, the device comprising:
- a fat cartridge;
an additive cartridge;
a housing configured to receive, in a side-by-side manner, the fat cartridge and additive cartridge;
a mixing tip on the housing, the mixing tip including a distal end for receiving a cannula or needle;
a plunger assembly slidably received in the fat cartridge and the additive cartridge, the assembly including a fat cartridge plunger rod and an additive cartridge plunger rod;
a thumb piece structured to fix the fat cartridge plunger rod and the additive cartridge plunger rod in place, in variable positions, with respect to each other; and
a valve structured to prevent extrusion of additive from the additive cartridge without extrusion of fat from the fat cartridge.
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Abstract
A device is provided for introducing into a patient a combination of adipose tissue and an additive, for example, a hydrogel additive. The device includes a fat cartridge, an additive cartridge containing an additive, and a housing configured to receive, in a side-by-side manner, the fat cartridge and additive cartridge. A mixing tip may be included for causing mixing of the cartridge components prior to extrusion from a needle or cannula.
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Citations
9 Claims
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1. A device for introducing into a target region of a patient, a combination of adipose tissue and an additive, the device comprising:
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a fat cartridge; an additive cartridge; a housing configured to receive, in a side-by-side manner, the fat cartridge and additive cartridge; a mixing tip on the housing, the mixing tip including a distal end for receiving a cannula or needle; a plunger assembly slidably received in the fat cartridge and the additive cartridge, the assembly including a fat cartridge plunger rod and an additive cartridge plunger rod; a thumb piece structured to fix the fat cartridge plunger rod and the additive cartridge plunger rod in place, in variable positions, with respect to each other; and a valve structured to prevent extrusion of additive from the additive cartridge without extrusion of fat from the fat cartridge. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A device for introducing into a target region of a patient, a combination of adipose tissue and an additive, the device comprising:
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a fat cartridge; an additive cartridge including an additive; a housing configured to receive, in a side-by-side manner, the fat cartridge and additive cartridge; a mixing tip on the housing, the mixing tip including a distal end for receiving a cannula or needle; a plunger assembly slidably received in the fat cartridge and the additive cartridge, the assembly including a fat cartridge plunger rod and an additive cartridge plunger rod; a thumb piece structured to fix the fat cartridge plunger rod and the additive cartridge plunger rod in place, in variable positions, with respect to each other; and a valve structured to prevent extrusion of additive from the additive cartridge without coextrusion of fat from the fat cartridge. - View Dependent Claims (9)
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Specification