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The stent is removed by cystoscopy, an outpatient procedure. Cystoscopy involves placement of a small flexible tube through the urethra (the hole where urine exits the body). The procedure, which usually takes only a few minutes and causes little discomfort, is performed in an outpatient clinic or ambulatory surgery centre.
Pigtail catheter is a non-selective catheter with multiple side holes that can deliver large volumes of contrast into a blood vessel for imaging purposes. [29] Cobra catheter is a selective catheter used to catheterise downgoing vessels in the abdomen. Cobra catheters move forward by pushing and are removed by pulling. [30]
A coudé catheter, including Tiemann's catheter, is designed with a curved tip that makes it easier to pass through the curvature of the prostatic urethra. [2] A hematuria catheter is a type of Foley catheter used for Post-TURP hemostasis. This is useful following endoscopic surgical procedures, or in the case of gross hematuria.
(B) The pigtail catheter is placed in the dilated calyx. The tube in (A) and the pigtail in (B) are marked with white arrows. [1] A nephrostomy or percutaneous nephrostomy is an artificial opening created between the kidney and the skin which allows for the urinary diversion directly from the upper part of the urinary system (renal pelvis). [2]
Pigtail drain – has an exterior screw to release the internal "pigtail" before it can be removed; Davol; Chest tube – is a flexible plastic tube that is inserted through the chest wall and into the pleural space or mediastinum; Wound manager
The catheter of choice to cannulate this area is pigtail catheter with multiple side holes. Contrast injection rate of 20 to 25ml/sec is given with total volume of 40 to 50 ml of contrast. The frame rate of fluoroscopy is 4 to 6 frames per second. [8] The image is taken in with the x-ray tube in left anterior oblique position. [8]
The one-step technique is when insertion of the drain or nephrostomy is done without the aid of a guidewire. The interventions are performed under local anesthesia and in a sterile setup. The procedures can be carried out with or without needle guidance according to preference, experience and setup (Figure 29). [1]
Additionally, applying water-based lubricant to the catheter and allowing it to run down and coat the opening of the urethra will prevent the catheter from rubbing and irritating the urethral opening. Lastly, preparing lean meals before surgery such as grilled chicken or salad is a good idea to ease recovery for the 48 hours after surgery.