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Intracranial bolt and method of placing and using an intracranial bolt to position a medical device
Intracranial bolt and method of placing and using an intracranial bolt to position a medical device
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机译:颅内螺钉以及放置和使用颅内螺钉定位医疗器械的方法
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摘要
An intracranial bolt, for installation in an opening in the skull to provide access to the brain for a medical device, has a bore therethrough for the passage of the medical device, and an inflatable member in the bore which when inflated engages a medical device in the bore, releasably anchoring the device. The inflatable member comprises a cylinder of flexible sheet material inside the bore and secured to the wall of the bore defining an annular pocket therebetween. A passage extends through the bolt to the pocket for the introduction of fluid into the pocket to expanding radially inwardly. The bolt in a medical procedure on the brain by forming an opening in the skull; installing the intracranial bolt in the opening in the skull; and securing the cap on the bolt. When it is time to conduct the procedure, the cap is removed and a medical device can be inserted into the brain through the bolt. The inflatable member can be inflated to temporarily hold the medical device in place.
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