Infant intracranial hemorrhage fixing and guiding drainage device and preparation and use methods
A technology for intracranial hemorrhage and infants, which is applied in the field of medical equipment, can solve the problems of falling off, failed puncture drainage tube, inaccurate positioning of the body surface, etc., and achieves the effects of avoiding prolapse, improving accuracy, and avoiding unstable body position.
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[0048] The present invention firstly provides a method for preparing a fixed guiding drainage device for intracranial hemorrhage in infants, comprising the following steps:
[0049] (1) Scanning and modeling: position the child with cerebral hemorrhage according to the position during the operation, and set the CT values of the child's skull, hematoma in the brain and ventricular system, cerebrospinal fluid of the ventricular system, and skin soft tissue range, conduct a full cranial CT scan on the child, and import the data generated by each tissue scan into the medical 3D modeling software in the format of the image format. The CT value range of each tissue in the CT scan is different. Based on this principle Modeling is carried out by extracting selected areas obtained by different tissue CT value ranges, and the selected areas formed by extracting the above CT value ranges on each two-dimensional thin-layer image are combined in three-dimensional according to the order of...
Embodiment 1
[0061] A method for preparing a fixed guiding drainage device for intracranial hemorrhage in infants, comprising the following steps:
[0062] (1) Scanning and modeling: position the child with cerebral hemorrhage according to the position during the operation, and set the CT values of the child's skull, hematoma in the brain and ventricular system, cerebrospinal fluid of the ventricular system, and skin soft tissue range, conduct a whole-cranial CT scan on the child, import the data generated by each tissue scan into the medical 3D modeling software in the format of the image format, and form it by extracting the above CT value range on each two-dimensional thin-layer image The selected area is combined in three-dimensional according to the order of layer thickness to obtain three-dimensional skin model, skull model, hematoma model, brain system model and the whole skull model including skin, skull, hematoma and brain system;
[0063] The CT value range of the skull of the ...
Embodiment 2
[0071] A fixed guiding and drainage device for intracranial hemorrhage in infants is prepared by the method of Example 1. In this example:
[0072] The baffle plate is in the shape of a curved plate, the curved side at the front is flush with the front side wall of the fine-tuning device, the curved side at the rear is located in the groove, and the two straight sides are respectively connected to the left edge of the fine-tuning device, The right edge is flush; the thickness of the baffle plate is the same as that of the adjustment plate, the width is less than or equal to 1 / 2 of the screw length, and the screw hole I is set on the arc edge;
[0073] The shell has a thickness of 2.5mm and is made of photosensitive resin, which is obtained by printing with a SLA photosensitive resin 3D printer;
[0074] The fine-tuning device is made of photosensitive resin, which is obtained after printing with a SLA photosensitive resin 3D printer;
[0075] The circular plate has a diameter...
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