Minimally invasive subpressure bladder puncture and fistulation retention device and working method thereof

Abstract

The minimally invasive negative pressure bladder puncture ostomy indwelling device and its working method belong to the technical field of medical devices, including a ostomy tube, a fixed plate, a negative pressure drainage urine bag and a puncture needle. , there are several side holes on the inner wall of the curved part, a spring device is provided in the negative pressure drainage urine bag, a connecting hose is provided at the upper end inlet, a joint part is provided at the end of the connecting hose, an outlet hose is provided at the lower end, and the connecting soft There are switches on both the pipe and the outlet hose. The main body of the fixed plate is a broken ring-shaped plate. There are serrated protrusions on the inner side of the ring. Four evenly spaced forked plates. The puncture needle is a T-shaped needle with a tiny channel off-center on the inside. The working method is: local infiltration anesthesia, empty needle try-in, inserting the ostomy tube into the bladder, fixing the ostomy tube, connecting the negative pressure drainage urine bag to the ostomy tube, and completing the bladder puncture and fistula.

Description

Technical field [0001] The invention relates to a minimally invasive negative pressure bladder puncture and fistula indwelling device and a working method thereof, belonging to the technical field of medical equipment. Background of the invention [0002] The commonly used clinical cystostomy indwelling device is a double-chamber or three-chamber Foley balloon silicone urinary catheter connected with a common urine bag to form a closed drainage in order to quickly drain urine and prevent the urinary catheter from being blocked. The diameter of the catheter is often greater than 16F. This kind of drainage method requires the establishment of a larger diameter channel, which obviously has the following disadvantages: 1. The operation risk is high, and it may cause massive bleeding in the bladder. Therefore, it is usually performed in the hospitalized operating room. After the operation, it often results in hematuria, blood clots, and catheter blockage. Increasing the patient’s pain...

AI Technical Summary

Problems solved by technology

This kind of drainage method requires the establishment of a large-caliber channel, which obviously has the following disadvantages: 1. The operation is risky and may cause massive bladder bleeding, so it is generally performed in the operating room of the hospital. Increase patient pain and treatment costs; 2. The larger the ostomy channel, the greater the trauma to the patient, and most of the patients who need cystostomy are elderly patients with poor physical fitness, often combined with other diseases, surgical trauma and postoperative skin ostomy. Inflammation, swelling and pain often make patients unbearable; 3. The indwelling fistula tube is thick, which irritates the local tissues, especially the bladder tissue, resulting in cystitis and a large amount of secretions. Regular bladder irrigation is required, which increases the burden on patients; 4. The indwelling time of the fistula tube is short, and it needs to be replaced once a month in the hospital, otherwise it is easy to form stones and increase the chance of infection, and the replacement is often due to the deformation of the balloon part, which makes the local tube diameter thicker, which makes it difficult to remove and increases the pain of the patient; 5. After short-term cystostomy , due to the large stoma opening, the healing is slow; 6. The balloon catheter used as the stoma tube can only prevent the stoma tube from prolapse, but cannot limit its displacement into the bladder, which further aggravates the bladder irritation symptoms of the patient and the tissue around the stoma tube In addition, when the air bag ruptures, the catheter is easy to come out, causing burden to the patient and increasing the chance of infection

In order to solve many deficiencies in the existing commonly used cystostomy tubes, relevant searches have been carried out, and no one type of cystostomy tubes has been found that can better solve the existing problems

Images