Chronic subdural hematoma drill cleaning drainage pipe

Abstract

The invention discloses a chronic subdural hematoma drill cleaning drainage pipe which comprises a rubber pipe, wherein the rubber pipe comprises a short arm and a long guide pipe; the middle part of the short arm is vertically communicated with the long guide pipe; the overall shape of the short arm and long guide pipe is of T shape; a drainage hole a is arranged in the other side of the corresponding short arm at a hollow joint of the long guide pipe and the short arm; an opening of the drainage hole a is arranged as an indent arc-shaped opening; a drainage hole b and a drainage hole c are respectively arranged at tail ends of the two ends of the short arm; the openings of the drainage hole b and the drainage hole c are arranged as downward slant openings. According to the chronic subdural hematoma drill cleaning drainage pipe provided by the invention, the short arm of the drainage pipe is in contact with brain tissue during a cleaning process; the point contact of the tip of the traditional catheter is changed into the line contact, so that the injury to the brain tissue and the cortical bridging vein is avoided; the water pressure during the cleaning process is reduced; the arachnoid is prevented from being broken; the cerebrospinal fluid is prevented from being communicated with the hematoma cavity; the occurrence rate of postoperative cerebrospinal fluid leakage is lastly reduced.

Description

technical field [0001] The invention relates to a drainage tube, in particular to a drilling irrigation drainage tube for chronic subdural hematoma, which belongs to the technical field of medical devices. Background technique [0002] Chronic subdural hematoma is routinely treated with drilling tube irrigation and drainage. The specific method is to drill a hole in the skull, insert a silicone drainage tube, rinse and drain the hematoma, and keep the silicone drainage tube for 48-72 hours after surgery. Drainage is a very important part of the treatment of this disease. However, there are often some difficult problems in drilling irrigation and drainage at present: (1) Poor placement of the catheter is prone to occur, and drainage is not smooth, and reoperation must be performed to adjust the catheter; In the lower part of the skull, it is difficult to discharge the air accumulated in the upper part of the skull, and even cause tension pneumocephalus, which leads to increa...

AI Technical Summary

Problems solved by technology

However, there are often some difficult problems in drilling irrigation and drainage at present: (1) Poor placement of the catheter is prone to occur, and drainage is not smooth, and reoperation must be performed to adjust the catheter; (3) If the head of the catheter is placed upward, the drainage of blood and fluid in the lower part of the skull will be poor, and it is easy to lead to recurrence of hematoma

[0005] 1. The texture is slightly hard and tough, and it is easy to insert too deep during the operation, resulting in brain tissue damage, damage to cortical bridging veins, and intracranial hemorrhage

[0006] 2. When the drainage tube is placed, it is also easy to damage the arachnoid, and the water pressure breaks through the arachnoid during irrigation, which can also make the cerebrospinal fluid communicate with the hematoma cavity, and cerebrospinal fluid leakage occurs after surgery

[0008] 4. Drainage tube blockage is prone to occur during postoperative drainage

[0009] At present, the Chinese patent document CN 201020137068.1 discloses a drainage tube for puncture external drainage of intracranial chronic subdural hematoma, which can reduce the angle between the drainage tube and the inner plate of the skull, and avoid the gradual insertion of the drainage tube after surgery. In the bulging brain tissue, there is no need to bite and remove the outer plate of the skull around the bone hole; Chinese patent document CN 201120294982.1 discloses a subacute and chronic subdural hematoma drainage tube, which can facilitate irrigation and drainage, and the intracranial hematoma can be drained during the irrigation operation. However, these drainage tubes not only have the same problems as above, but also have a single effect, and the factors that are beneficial to the disease are not complete. Therefore, there are few harmful factors in postoperative treatment that can be avoided, which cannot meet the needs of clinical practice. The needs of comprehensive conditioning and rehabilitation of postoperative patients

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