Expansion balloon and medical device used for discoplasty
A medical device and plastic surgery technology, applied in the field of medical devices, can solve problems such as insufficient reliability, bone cement leakage, and poor biocombination
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Embodiment 1
[0039] An inflatable balloon for intervertebral disc surgery, comprising a compressed, collapsed or folded balloon body 1, the balloon body 1 is formed by overlapping two layers of flexible materials inside and outside, and an inflation cavity is formed between the two layers of flexible materials 109, the outer layer of flexible material is provided with a pressurization port 107 connected to the expansion chamber 109, and the local part between the inner and outer two layers of flexible materials is provided with a connecting part 108 connecting the inner and outer two layers of flexible materials, through the pressurization port 107 to the expansion chamber 109 filling the pressurized medium can expand the balloon main body 1;
[0040] After balloon main body 1 is expanded, as figure 1 , figure 2 In the annular structure shown, the balloon body 1 is provided with a first cavity 101, the surface of the balloon body 1 is provided with a first injection port 102 communicatin...
Embodiment 2
[0057] Such as Figure 3-5 Shown, a kind of medical device that is used for intervertebral disc plastic surgery comprises the balloon as described in embodiment 1, and the first catheter 2 communicates with the first injection port 102 of the balloon; The second catheter 3 communicates with the balloon's The second injection port 105 communicates; the fifth conduit 9 communicates with the pressure port 107 of the balloon. Bone cement is injected into the first cavity 101 through the first catheter 2, materials with osteogenesis and / or osteoinductive effects are injected into the second cavity 103 through the second catheter 3, and materials with osteogenesis and / or osteoinductive effects are injected into the balloon through the fifth catheter 9. The expansion chamber 109 is inflated with air.
[0058] Osteogenic and / or osteoinductive materials specifically include living cells with osteogenic ability such as bone marrow cells and / or osteoinductive proteins such as deminerali...
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