Cystotomy catheter capture device and methods of using same

Abstract

A catheter capture device comprising a urethral sound and a sleeve that utilizes balloon inflation to capture the catheter. A catheter capture device comprising a urethral sound and a clamshell device. The clamshell device comprises two halves, one of which comprises two pins. One pin passes through the lateral holes in the tip of the catheter, and the other pin fits into a notch in the bottom half of the clamshell device. A catheter capture device comprising a urethral sound, a sleeve and a pin that passes through the lateral holes in the tip of the catheter. A catheter capture device comprising a urethral sound, a wire and a nodule, wherein the nodule captures the catheter by lodging in the tip of the catheter. The nodule could be a ball, hook, crimped wire or similar object. A method of capturing a catheter in an obese or non-obese patient.

1 . A catheter capture device comprising: 
 (a) a urethral sound; and    (b) a sleeve,    wherein the urethral sound is inserted through a patient's urethra into the bladder and out the abdominal wall, wherein the sound comprises a removable tip, wherein the removable tip of the sound is removed, wherein the sleeve is attached to the end of the sound from which the removable tip was removed, wherein the catheter to be captured comprises a balloon and a tip, wherein the catheter tip is inserted into the sleeve, wherein the balloon is inflated, and wherein the catheter is pulled into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       2 . The catheter capture device of  claim 1 , wherein the sleeve comprises a flange, and wherein the flange prevents the catheter from falling out of the sleeve when the balloon is inflated.  
   
   
       3 . A catheter capture device comprising: 
 (a) a urethral sound; and    (b) a clamshell device,    wherein the urethral sound is inserted through a patient's urethra into the bladder and out the abdominal wall, wherein the clamshell device comprises a top half and a bottom half, wherein the top half of the clamshell device comprises two pegs, wherein the catheter to be captured comprises a tip, wherein the catheter tip comprises two lateral holes, wherein one of the pegs on the top half of the clamshell device passes through the lateral holes in the catheter tip, wherein the bottom half of the clamshell device comprises a notch, wherein the other peg on the top half of the clamshell device fits into the notch on the bottom half of the clamshell device, wherein the clamshell device comprises a threaded end, wherein the sound comprises a distal end, wherein the distal end of the sound is threaded on the inside, wherein the threaded end of the clamshell device fits into the threaded distal end of the sound, and wherein the catheter is pulled into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       4 . A catheter capture device comprising: 
 (a) a urethral sound;    (b) a sleeve; and    (c) a pin;    wherein the urethral sound is inserted through a patient's urethra into the bladder and out the abdominal wall, wherein the urethral sound comprises a threaded extension, wherein the catheter to be captured comprises a tip, wherein the sleeve is placed over the tip of the catheter, wherein the catheter tip comprises lateral holes, wherein the catheter tip is inserted into the threaded extension of the sound, wherein the threaded extension comprises a hole, wherein the pin is inserted through the lateral holes in the catheter tip and through the hole in the threaded extension, wherein the sleeve is threaded on the inside, wherein the sleeve is screwed onto the threaded extension of the sound, and wherein the catheter is pulled into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       5 . A catheter capture device comprising: 
 (a) a urethral sound;    (b) a wire; and    (c) a ball,    wherein the urethral sound is inserted through a patient's urethra into the bladder and out the abdominal wall, wherein the urethral sound comprises a tip, wherein the urethral sound is hollow, wherein a wire is passed through the urethral sound and out the tip, wherein a catheter is placed on the wire, wherein the catheter comprises a proximal end and a distal end, wherein a ball is attached to the wire at the proximal end of the catheter, wherein the catheter comprises a tip, wherein the wire is pulled out through the urethral sound until the ball lodges in the tip of the catheter, and wherein the catheter is pulled into the patient's bladder by pulling the wire and sound out through the patient's urethra.    
   
   
       6 . A catheter capture device comprising: 
 (a) a urethral sound;    (b) a wire; and    (c) a hook,    wherein the urethral sound is inserted through a patient's urethra into the bladder and out the abdominal wall, wherein the urethral sound comprises a tip, wherein the urethral sound is hollow, wherein a wire is passed through the urethral sound and out the tip, wherein a catheter is placed on the wire, wherein the catheter comprises a proximal end and a distal end, wherein a hook is attached to the wire at the proximal end of the catheter, wherein the catheter comprises a tip, wherein the wire is pulled out through the urethral sound until the hook lodges in the tip of the catheter, and wherein the catheter is pulled into the patient's bladder by pulling the wire and sound out through the patient's urethra.    
   
   
       7 . A catheter capture device comprising: 
 (a) a urethral sound;    (b) a wire; and    (c) a nodule,    wherein the urethral sound is inserted through a patient's urethra into the bladder and out the abdominal wall, wherein the urethral sound comprises a tip, wherein the urethral sound is hollow, wherein a wire is passed through the urethral sound and out the tip, wherein a catheter is placed on the wire, wherein the catheter comprises a proximal end and a distal end, wherein a nodule is attached to the wire at the proximal end of the catheter, wherein the catheter comprises a tip, wherein the wire is pulled out through the urethral sound until the nodule lodges in the tip of the catheter, and wherein the catheter is pulled into the patient's bladder by pulling the wire and sound out through the patient's urethra.    
   
   
       8 . A catheter capture device comprising: 
 (a) a urethral sound; and    (b) a wire,    wherein the urethral sound is inserted through a patient's urethra into the bladder and out the abdominal wall, wherein the urethral sound comprises a tip, wherein the urethral sound is hollow, wherein a wire is passed through the urethral sound and out the tip, wherein the wire comprises a hook, wherein the catheter to be captured comprises a tip, wherein the catheter is placed on the wire such that the hook lodges in the catheter tip, and wherein the catheter is pulled into the patient's bladder by pulling the wire and sound out through the patient's urethra.    
   
   
       9 . A catheter capture device comprising: 
 (a) a urethral sound; and    (b) a wire,    wherein the urethral sound is inserted through a patient's urethra into the bladder and out the abdominal wall, wherein the urethral sound comprises a tip, wherein the urethral sound is hollow, wherein a wire is passed through the urethral sound and out the tip, wherein a catheter is placed on the wire, wherein the catheter comprises a proximal end and a distal end, wherein the wire is crimped at the proximal end of the catheter, wherein the catheter comprises a tip, wherein the wire is pulled out through the urethral sound until the crimp in the wire lodges in the tip of the catheter, and wherein the catheter is pulled into the patient's bladder by pulling the wire and sound out through the patient's urethra.    
   
   
       10 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a removable tip, removing the removable tip;    (c) attaching a sleeve to the end of the sound from which the removable tip was removed;    (d) wherein the catheter to be captured comprises a tip, inserting the catheter tip into the sleeve;    (e) wherein the catheter to be captured comprises a balloon, inflating the balloon; and    (f) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       11 . The method of  claim 10 , wherein the sleeve comprises a flange, and wherein the flange prevents the catheter from falling out of the sleeve when the balloon is inflated.  
   
   
       12 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a removable tip, removing the removable tip;    (c) wherein the catheter to be captured comprises a tip, inserting the catheter tip into the end of the sound from which the removable tip was removed;    (d) wherein the catheter to be captured comprises a balloon, inflating the balloon; and    (e) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       13 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a removable tip, removing the removable tip;    (c) wherein the catheter to be captured comprises a tip, attaching a clamshell device to the catheter tip;    (d) wherein the clamshell device comprises a top half and a bottom half, wherein the top half comprises two pegs, wherein the bottom half comprises a notch, wherein the catheter tip comprises two lateral holes, inserting one of the pegs through the two lateral holes in the catheter tip and inserting the other peg into the notch on the bottom half of the clamshell device;    (e) wherein the clamshell device comprises a threaded end, wherein the sound comprises a distal end, wherein the distal end of the sound is threaded on the inside, fitting the threaded end of the clamshell device into the threaded distal end of the sound; and    (f) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       14 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a removable tip, removing the removable tip;    (c) wherein the catheter to be captured comprises a tip, placing a sleeve over the catheter tip;    (d) wherein the sound comprises a threaded extension, inserting the catheter tip into the threaded extension;    (e) wherein the catheter tip comprises two lateral holes, and wherein the threaded extension comprises a hole, inserting a pin through the lateral holes in the catheter tip and the hole in the threaded extension;    (f) wherein the sleeve is threaded on the inside, screwing the sleeve onto the threaded extension of the sound; and    (g) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       15 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound and out the tip;    (c) placing the catheter to be captured on the wire;    (d) wherein the catheter comprises a proximal end and a distal end, attaching a ball to the wire at the proximal end of the catheter;    (e) wherein the catheter comprises a tip, pulling the wire out through the urethral sound until the ball lodges in the tip of the catheter; and    (f) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       16 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound and out the tip;    (c) placing the catheter to be captured on the wire;    (d) wherein the catheter comprises a proximal end and a distal end, attaching a hook to the wire at the proximal end of the catheter;    (e) wherein the catheter comprises a tip, pulling the wire out through the urethral sound until the hook lodges in the tip of the catheter; and    (f) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       17 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound and out the tip;    (c) placing the catheter to be captured on the wire;    (d) wherein the catheter comprises a proximal end and a distal end, attaching a nodule to the wire at the proximal end of the catheter;    (e) wherein the catheter comprises a tip, pulling the wire out through the urethral sound until the nodule lodges in the tip of the catheter; and    (f) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       18 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound and out the tip;    (c) wherein the catheter comprises a tip, and wherein the wire comprises a hook, placing a catheter on the wire such that the hook lodges in the catheter tip; and    (d) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       19 . A method of capturing a catheter comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra into the bladder and out the abdominal wall;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound and out the tip;    (c) placing the catheter to be captured on the wire;    (d) wherein the catheter comprises a proximal end and a distal end, crimping the wire at the proximal end of the catheter;    (e) wherein the catheter comprises a tip, pulling the wire out through the urethral sound until the crimp in the wire lodges in the tip of the catheter; and    (f) pulling the catheter into the patient's bladder by pulling the sound out through the patient's urethra.    
   
   
       20 . A method of capturing a catheter in an obese patient comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra, into the bladder and as close to the abdominal wall as possible;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound, out the tip, and through the abdominal wall;    (c) placing a knife on the wire;    (d) pushing the knife through the abdominal wall until it comes into contact with the tip of the urethral sound;    (e) removing the knife; and    (f) capturing the catheter using the method of  claim 15 ,  16 ,  17 ,  18  or  19 .    
   
   
       21 . A method of capturing a catheter in an obese patient comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra, into the bladder and as close to the abdominal wall as possible;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound, out the tip, and through the abdominal wall;    (c) placing a knife on the wire;    (d) pushing the knife through the abdominal wall until it comes into contact with the tip of the urethral sound;    (e) retracting the urethral sound by at least a distance equal to the length of the tip of the sound;    (f) pushing the knife down on the wire again until it comes into contact with the tip of the urethral sound;    (g) removing the knife; and    (h) capturing the catheter using the method of  claim 15 ,  16 ,  17 ,  18  or  19 .    
   
   
       22 . A method of capturing a catheter in an obese patient comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra, into the bladder and as close to the abdominal wall as possible;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound, out the tip, and through the abdominal wall;    (c) placing a trocar on the wire;    (d) pushing the trocar through the abdominal wall until it comes into contact with the tip of the urethral sound;    (e) removing the trocar; and    (f) capturing the catheter using the method of  claim 15 ,  16 ,  17 ,  18  or  19 .    
   
   
       23 . A method of capturing a catheter in an obese patient comprising the steps of: 
 (a) inserting a urethral sound through a patient's urethra, into the bladder and as close to the abdominal wall as possible;    (b) wherein the urethral sound comprises a tip, and wherein the urethral sound is hollow, passing a wire through the urethral sound, out the tip, and through the abdominal wall;    (c) placing a trocar on the wire;    (d) pushing the trocar through the abdominal wall until it comes into contact with the tip of the urethral sound;    (e) retracting the urethral sound by at least a distance equal to the length of the tip of the sound;    (f) pushing the trocar down on the wire again until it comes into contact with the tip of the urethral sound;    (g) removing the trocar; and    (h) capturing the catheter using the method of  claim 15 ,  16 ,  17 ,  18  or  19 .    
   
   
       24 . A method of capturing the catheter in an obese patient comprising the steps of: 
 (a) creating an incision through the abdominal wall of an obese patient as set forth in  claim 20 ,  21 ,  22  or  23 ;    (b) after the trocar or knife is removed, placing a screwdriver on the wire;    (c) pushing the screwdriver down on the wire until it comes into contact with the tip of the urethral sound;    (d) wherein the tip of the urethral sound comprises one or more slots, wherein the screwdriver comprises a tip, wherein the tip of the screwdriver comprises one or more blades, fitting the screwdriver blade(s) into the slot(s) on the tip of the sound;    (e) unscrewing the tip of the sound with the screwdriver;    (f) removing the screwdriver from the wire;    (g) attaching a first nodule to the wire at the end nearest the patient's urethra;    (h) pulling the wire back up through the incision site until the first nodule lodges in the tip of the sound;    (i) pulling the tip of the sound out through the incision site by pulling the wire up through the incision site;    (j) removing the first nodule from the wire;    (k) placing a catheter on the wire;    (l) placing a second nodule on the wire;    (m) advancing the second nodule to the tip of the catheter by pulling the wire through the patient's urethra;    (n) pulling the catheter tip into the end of the sound from which the removable tip was removed by pulling the wire through the patient's urethra;    (o) wherein the catheter comprises a balloon, inflating the balloon;    (p) pulling the sound and catheter out through the patient's urethra;    (q) deflating the balloon;    (r) separating the catheter from the sound;    (s) pulling the catheter back into the patient's bladder; and    (t) inflating the balloon; and    (u) attaching the catheter to drainage.    
   
   
       25 . The method of  claim 24 , wherein the first nodule is a ball.  
   
   
       26 . The method of  claim 24 , wherein the second nodule is a ball.  
   
   
       27 . The method of  claim 24 , wherein the first nodule is a hook.  
   
   
       28 . The method of  claim 24 , wherein the second nodule is a hook.  
   
   
       29 . The method of  claim 24 , wherein the first nodule is a crimp on the wire.  
   
   
       30 . The method of  claim 24 , wherein the second nodule is a crimp on the wire.  
   
   
       31 . A knife-on-a-wire comprising: 
 (a) a knife; and    (b) a wire,    wherein the knife is hollow, wherein the knife is placed on the wire, wherein the wire is used to guide the knife through a patient's abdominal wall until it comes into contact with a urethral sound that has been passed through the patient's urethra, into the bladder and as close to the abdominal wall as possible.    
   
   
       32 . The knife-on-a-wire of  claim 31 , wherein the knife comprises two blades, wherein the blades are oriented so that there is al 80-degree spacing between them, and wherein the blades form a hexagon shape.  
   
   
       33 . The knife-on-a-wire of  claim 31 , wherein the knife comprises two blades, wherein the blades are oriented so that there is a 180-degree spacing between them, and wherein the blades form a diamond shape.  
   
   
       34 . A trocar-on-a-wire comprising: 
 (a) a trocar; and    (b) a wire,    wherein the trocar is hollow, wherein the trocar is placed on the wire, wherein the wire is used to guide the trocar through a patient's abdominal wall until it comes into contact with a urethral sound that has been passed through the patient's urethra, into the bladder and as close to the abdominal wall as possible.    
   
   
       35 . A screwdriver-on-a-wire comprising: 
 (a) a screwdriver; and    (b) a wire,    wherein the screwdriver is hollow, wherein the screwdriver is placed on the wire, wherein an incision has been made through a patient's abdominal wall, wherein the wire is used to guide the screwdriver through the patient's abdominal wall until it comes into contact with a urethral sound that has been passed through the patient's urethra, into the bladder and as close to the abdominal wall as possible, wherein the urethral sound comprises a removable tip, wherein the screwdriver is used to unscrew the removable tip of the sound.    
   
   
       36 . The catheter capture device of claims  1 ,  3 ,  4 ,  5 ,  6 ,  7 ,  8  or  9 , wherein the sound comprises a throw, and the throw is at least six centimeters long.  
   
   
       37 . The catheter capture device of claims  1 ,  3 ,  4 ,  5 ,  6 ,  7 ,  8  or  9 , wherein the sound comprises an angle, and the angle is in the range of sixty to eighty degrees.  
   
   
       38 . The method of claims  10 ,  12 ,  13 ,  14 ,  15 ,  16 ,  17 ,  18 ,  19 ,  20 ,  21 ,  22 ,  23  or  24 , wherein the sound comprises a throw, and the throw is at least six centimeters long.  
   
   
       39 . The method of claims  10 ,  12 ,  13 ,  14 ,  15 ,  16 ,  17 ,  18 ,  19 ,  20 ,  21 ,  22 ,  23  or  24 , wherein the sound comprises an angle, and the angle is in the range of sixty to eighty degrees.