Drug-loading deVice for bone needle implant and drug carrying method thereof
An implant and drug-carrying technology, which is applied to the field of drug-carrying devices for bone needle implants, can solve the problems of unsatisfactory effect, dangerous needle tract infection, complicated operation, etc., and achieve the effect of good sustained drug release effect.
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[0036] Please check Figure 1 to Figure 4 , the drug-carrying device 10 for the bone spicule implant 20, connected to the bone spicule implant 20. The drug-carrying device 10 includes a sleeve member 11 . The sleeve member 11 has an inner hole 12 and an annular portion 13 that surrounds the inner hole 12 and can be sleeved on the outside of the bone needle implant 20. The annular portion 13 is provided with a drug-loading cavity 14 that is separated from the inner hole 12. The drug cavity 14 runs through both ends of the annular portion 13 and has an opening 15 located on the outer wall of the annular portion 13 . The drug-loading cavity 14 contains drugs. According to requirements, the sleeve member 11 is also equipped with two seals, the two seals are detachably attached to the two ends of the ring part 13, and the seal and the ring part 13 are assembled together. The port of the drug-carrying cavity 14 located on the end face of the annular portion 13 is sealed. In this ...
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