72 results about "Intracranial hematoma" patented technology

Method and apparatus for the evacuation of intracerebral hematomas comprises a minimally invasive non-operating room surgical apparatus within a neuro-navigation system that can provide real-time imaging of the ICH evacuation procedure. Apparatus uses an auger housed within an apertured lumen which, when placed in proximity to a hematoma and rotated in an appropriate direction, causes the removal of the clotty material from the hematoma. Apparatus also includes ultrasonic imaging capability and an electromagnetic tracking coil to enable real-time, three-dimensional visualization of the evacuation procedure.

The invention discloses a non-contact positioning auxiliary device used for the minimally invasive intracranial hematoma cleaning operation. The non-contact positioning auxiliary device comprises a fixed rack, a right-angle connecting rod, a right-angle connecting rod fixing shaft, a height adjusting device, a horizontal telescopic boom, a vertical telescopic boom, a vertical-direction laser alignment device and a horizontal-direction laser alignment device, wherein the far end of the horizontal telescopic boom is provided with the vertical-direction laser alignment device, the vertical-direction sector-shaped laser face emitted by the vertical-direction laser alignment device is vertical to the long shaft of the horizontal telescopic boom, a light source points to the downward direction, and a guiding datum line mark is provided; the far end of the vertical telescopic boom is provided with the horizontal-direction laser alignment device, the sector-shaped laser face emitted by the horizontal-direction laser alignment device can rotate along the optical axis of the laser through a rotation adjusting mechanism, and the sector-shaped laser face emitted by the horizontal-direction laser alignment device is enabled to be always vertical to the vertical-direction sector-shaped laser face through the right-angle-shaped adjusting booms. According to the non-contact positioning auxiliary device, the non-frame cantilever laser alignment guide technology is adopted, therefore, the puncture needle is accurately guided continuously during the operation; the non-contact design increases the visual operative field, and thus the steric hindrance in the puncture process is avoided.

The invention relates to a low-temperature intracranial hematoma puncturing trocar, which comprises a low-temperature hematoma puncturing drill needle and a drainage sleeve. The upper end of the low-temperature hematoma puncturing drill needle is provided with a drill needle handle, the top part of the low-temperature hematoma puncturing drill needle is provided with a metal plug, a water injection tube is sleeved in the low-temperature hematoma puncturing drill needle, the diameter of the lower part of the water injection tube is smaller than the diameter of the upper part of the water injection tube, a plastic inner core is sleeved in the drainage sleeve, the top part of the drainage sleeve is provided with a cap, the upper part of the drainage sleeve is provided with a side tube, and the lower end of the drainage sleeve is provided with a round blunt opening. By adopting the technical scheme, the high speed of the electric drill can be maintained, the scalp can be prevented from being burnt, blood vessels and nerves can be effectively prevented from being damaged, and the safety and reliability of the micro puncturing treatment of hypertensive intracerebral hemorrhage can be ensured.

The invention discloses an integral needling-drilling encephalic hematoma puncture drainage device. The integral needling-drilling encephalic hematoma puncture drainage device is characterized by comprising a T-joint, a drilling body, a limiting device, a cleaning rod, a drainage tube, a liquid inlet needle-shaped channel and a drilling sleeve of which a perforated cap limiter sleeves the T-joint,wherein the drilling body is inserted into the drilling sleeve of the T joint, and is fixed in cooperation with a groove in the drilling body sleeve through a lug I on the side face of the T-joint. The integral needling-drilling encephalic hematoma puncture drainage device has the beneficial effects that: a self-destruction function can be realized after the completion of skull drilling, so thatthe integral needling-drilling encephalic hematoma puncture drainage device cannot be reused from the structure, the effect of operation be affected by the pollution of a drill bit is avoided; moreover, liquid hematoma can be sucked and drained; saline is injected into a hematoma cavity through the drainage tube on a perforated cap in order to dilute and drain viscous hematoma; a hematoma liquefaction agent is injected into the remaining solid hematoma through an injection needle device channel until intracranial hematoma is removed.

The invention discloses a built-in multidirectional adjusting type craniocerebral drainage device. The drainage device is composed of a drainage tube, a fixator, a valve and a drainage bag. A tube body of the drainage tube is composed of an inner tube and an outer tube, which are coaxial and can be freely detached; the middle section of the inner tube has a pre-plastic structure; the top end of the inner tube is provided with an under-ray developing coating; a side opening is formed in the upper half section of the inner tube; threads are arranged at the tail end of the inner tube; an annularsoft plug sleeves the tail end of the inner tube and can be tightly clamped between the tube walls of the inner tube and the outer tube; elastic buckles are arranged on the outer tube wall, and open holes are formed in the corresponding positions; and marks are arranged at the tail end of the inner tube, and angle scale marks are arranged at the tail end of the outer tube, so that the rotation direction of the inner tube is controlled thereby. The drainage device can be combined with CT to flexibly adjust the direction within the effective radius range to conduct accurate positioning drainageon hematoma or hydrops and hydrops. By the device, the first suction rate of intracranial hematoma is increased, the mass effect of hematoma and postoperative encephaledema are reduced, intracranial pressure can be rapidly reduced, and accurate and effective target treatment is achieved.

The invention provides an intracranial hematoma breaking aspirator and an intracranial hematoma breaking vacuum aspiration device and belongs to the field of medical equipment. The intracranial hematoma breaking aspirator comprises a sleeve, a vacuum aspiration device and a rotating device, wherein the rotating device is arranged in the sleeve; an output end of the vacuum aspiration device is connected with the sleeve; the vacuum aspiration device and the rotating device are respectively located at the two ends of the sleeve. The intracranial hematoma breaking vacuum aspiration device comprises an externally connected suction device and the intracranial hematoma breaking aspirator, wherein the externally connected suction device is connected with the vacuum aspiration device. According to the intracranial hematoma breaking aspirator provided by the invention, the rotating device is arranged in the sleeve; after the sleeve is close to a hematoma, the rotating device is inserted into the hematoma and is rotated; the shearing force of the rotating device is utilized to break the hematoma; after the hematoma is broken, the vacuum aspiration device can be used for conveniently sucking the hematoma fragments.

The invention relates to a double-cross-surface laser-directional minimally-invasive cranial drill which is a positioning perforating drill for taking out intracranial hematoma and is provided with a machine body, a driving mechanism and a bit, wherein the driving mechanism is arranged in the machine body, and the bit is connected with an output shaft of the driving mechanism in a coaxial way. The machine body is provided with two cross planar light lasers of which the intersecting lines are collinear with bit axes. Preferably, one planar light laser is fixed with the machine body, and the other planar light laser is wound with the bit axes of the machine body to be in transitional fit and rotating connection. Under the guidance of a three-dimensional benchmark determined by the surface of the head part, the head surface drawing lines of the layer surface of a hematoma center in each direction are calculated out according to data on a CT (computed tomography) photo and are overlapped with head surface cross drawing lines through cross planar light emitted by the lasers so as to imitate noninvasive quick and easy positioning and perforating performed by hematoma on different panels.

The invention provides a measuring method of the size of intracranial hematoma. As for characteristics of images of intracranial hematoma, non-linear anisotropic diffusion filtering is adopted for pre-processing of the images, noise and image artifacts are effectively removed, and actual requirements for medical image processing are met; two-step image segmentation processing is adopted for the images, non-brain tissue of the skull and outside the skull is removed ingeniously, and image registering and other work are not needed; the concept of entropy is introduced in image segmentation, two-dimensional thresholding of entropy is achieved, the images are segmented by using the gray level of pixels and the neighborhood gray level of pixels as parameters, information distribution of the gray level of the pixels is reflected, and relative information of neighborhood space of the pixels of the images is reflected. Therefore, noise is effectively restrained, and interference and undesired fine structures are removed; various operators of the genetic algorithm are improved, a self-adaption large-variation operator is adopted for solving the problem that the genetic algorithm has precocity, and namely the algorithm is constricted to a non-overall optimal point untimely, and the best threshold value is searched for through the improved layering genetic algorithm finally.