Sealing-free tube implanted administration device
A drug delivery device and implantable technology, applied in the field of medical devices, can solve problems such as cumbersome operations and heparin penetration into the human body, and achieve the effect of avoiding adverse effects
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[0015] Such as Figure 1-3 As shown, a tube-free implantable drug delivery device according to an embodiment of the present invention includes a pump base 1, a cavity 2 is provided inside the pump base 1, and a cavity 2 is provided at the tail of the pump base 1. The communicating channel 3 is provided with a sleeve 4 inside the channel 3, a locking inner sleeve 5 is arranged between one end of the sleeve 4 and the inner wall of the channel 3, the locking inner sleeve 5 is fixed by a locking cap 6, and the sleeve 4 The other end passes through the locking cap 6 and is connected to the catheter 7. A rubber pad 8 is provided above the cavity 2, and the rubber pad 8 is fixed on the pump base 1 through the pump cover 9. The rubber pad 8 is close to the The channel 3 is provided with a protrusion 10, the protrusion 10 and the rubber pad 8 are integrally formed, and the protrusion 10 is tightly attached to the port of the channel 3.
[0016] When working, the injection device injects ...
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