A marker capsule for a drug delivery dart that marks a animal upon impact to indicate it has had a drug injection. The marker capsule is formed of a rupturable material, and has a central aperture formed therethrough for disposition about a cannula extending from the drug delivery dart. A marking su
A marker capsule for a drug delivery dart that marks a animal upon impact to indicate it has had a drug injection. The marker capsule is formed of a rupturable material, and has a central aperture formed therethrough for disposition about a cannula extending from the drug delivery dart. A marking substance is contained within the capsule. The capsule ruptures between the dart body and the animal upon impact to thereby disperse said marking substance upon the animal about the area of the impact.
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1. A marker capsule for use in conjunction with a drug delivery dart used to inject a drug into an animal upon impact therewith, the drug delivery dart having a dart body and a cannula extending therefrom with a collar disposed about the cannula that serves to retain the dart in place after it impac
1. A marker capsule for use in conjunction with a drug delivery dart used to inject a drug into an animal upon impact therewith, the drug delivery dart having a dart body and a cannula extending therefrom with a collar disposed about the cannula that serves to retain the dart in place after it impacts the animal, the marker capsule comprising: a capsule formed of a rupturable and flexible material, and having a central aperture formed therethrough, said aperture sized for disposition about the drug delivery dart cannula, and wherein said flexible material stretches to allow the collar on the cannula to pass therethrough and further relaxes to effectively retain said capsule on the cannula between the dart body and the collar;a marking substance contained within said capsule, and whereinsaid capsule ruptures between the dart body and the animal upon impact to thereby disperse said marking substance upon the animal about the area of the impact. 2. The marker capsule of claim 1, and wherein: said rupturable material is a membrane having a tensile strength selected to rupture at impact velocities that are suitable to enable drug delivery by the drug delivery dart. 3. The marker capsule of claim 1, and wherein: said rupturable material is gelatin that has been plasticized to control tensile strength. 4. The marker capsule of claim 1, and wherein: said marking substance is a non-toxic fluid mixed with a colored dye. 5. The marker capsule of claim 1, and wherein said marking substance comprises a food-grade vegetable dye. 6. The marker capsule of claim 1, and wherein: said capsule is formed as a geometric torus. 7. The marker capsule of claim 6, and wherein: said geometric torus has a circular cross section. 8. The marker capsule of claim 6, and wherein: said geometric torus has dee-shaped cross section having a straight portion along its circumference that is disposed along said aperture. 9. A method of marking an animal when impacted by a drug delivery dart that has a dart body and a cannula extending therefrom with a collar disposed about the cannula that serves to retain the dart in place after it impacts the animal, using a marker capsule formed of a rupturable and flexible material, and having a central aperture formed therethrough, the capsule filled with a marking substance, the method comprising the steps of: engaging the capsule with the drug delivery dart by inserting the cannula through the aperture in the capsule, thereby stretching the flexible material as the collar passes through the aperture, and wherein the flexible material relaxes, thereby effectively retaining said capsule on the cannula between the dart body and the collar;impacting the drug delivery dart against the animal such that the cannula pierces the animal, and therebyrupturing the capsule between the dart body and the animal upon impact to disperse the marking substance upon the animal about the area of impact. 10. The method of claim 9, and wherein: said impacting step further comprises the step of launching the drug delivery dart using a gas pressure driven projector. 11. A drug delivery dart with a marking feature that is used to inject a drug into an animal upon impact therewith while leaving a visible mark to indicate that a drug dose has been injected, comprising: a drug delivery dart having a dart body and a cannula extending therefrom with a collar disposed about said cannula that serves to retain the dart in place after it impacts the animal;a capsule formed of a rupturable and flexible material, and having a central aperture formed therethrough, said aperture disposed about the drug delivery dart cannula, and wherein said flexible material stretches to allow the collar on the cannula to pass therethrough and further relax to effectively retain said capsule on the cannula between the dart body and the collar;a marking substance contained within said capsule, and whereinsaid capsule ruptures between said dart body and the animal upon impact to thereby disperse said marking substance upon the animal about the area of the impact. 12. The drug delivery dart of claim 11, and wherein: said marking substance is a non-toxic fluid mixed with a colored dye. 13. The drug delivery dart of claim 11, and wherein: said capsule is formed as a geometric torus.
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이 특허에 인용된 특허 (15)
Fred O. Gibbs, Animal identification and medication syringe.
DiCarlo James M. (Katy Park Row ; 20880 Park Row Katy TX 77450), Non-lethal, non-penetrating training bullet and cartridge with impact marking capability.
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