Systems and methods for depolying an endoluminal sleeve field
View Patent ↗A device and method for deploying an endoluminal sleeve is disclosed. The endoluminal sleeve has a proximal end that is rolled with a thread. The distal end is disposed about a balloon and can be expanded to contact the lumen wall. An adhesive holds the sleeve in place and the endoluminal sleeve is unrolled. The balloon is deflated and moved to a second location. The balloon is then inflated again expanding the endoluminal sleeve proximate the second location.
1. A catheter assembly for deploying an endoluminal sleeve, the catheter assembly comprising:
a balloon catheter having a distal portion and a proximal portion;
a balloon disposed at the distal portion of the balloon catheter, the balloon expandable from a deflated configuration to an expanded configuration;
an endoluminal sleeve disposed about the distal portion of the balloon catheter, the endoluminal sleeve being rolled longitudinally and having a rolled portion and an unrolled portion disposed about the balloon, the expanded configuration of the balloon expanding the unrolled portion of the balloon while leaving the rolled portion unexpanded; and
a thread rolled within the rolled portion of the endoluminal sleeve and extending from within the rolled portion.
2. The catheter assembly of claim 1 further comprising a sheath disposed about the endoluminal sleeve.
3. The catheter assembly of claim 1 further comprising a tensioning mechanism adapted to tension the thread.
4. The catheter assembly of claim 3 wherein the adhesive is a mucoadhesive powder.
5. The catheter assembly of claim 1 wherein the endoluminal sleeve includes an adhesive adhered to the endoluminal sleeve.
6. The catheter assembly of claim 1 wherein the balloon catheter has a distal tip extending beyond the distal portion of the balloon catheter, the distal tip having at least one port disposed therein, wherein the thread extends from the rolled portion into the at least one port, and from the at least one port to the proximal portion of the balloon catheter.
7. A method for delivering an endoluminal sleeve, the method comprising:
introducing a catheter assembly into a body lumen, the catheter assembly comprising a balloon catheter having a distal portion with a balloon and a proximal portion, a sleeve disposed about the distal portion of the balloon catheter, the sleeve being rolled longitudinally and having a rolled portion and an unrolled portion disposed about the balloon, and a thread rolled within the rolled portion of the sleeve and extending from the rolled portion to the proximal portion of the balloon catheter;
positioning the catheter assembly proximate a first location within the body lumen;
inflating the balloon and expanding the unrolled portion of the sleeve to contact a wall of the body lumen at the first location while leaved the rolled portion unexpanded;
adhering a first expanded portion of the sleeve to the wall of the body lumen at the first location;
tensioning the thread to unroll a portion of the rolled portion of the sleeve;
deflating the balloon subsequent to adhering the first expanded portion of the sleeve to the wall of the body lumen at the first location;
moving the catheter to a second location within the body lumen proximate the first expanded portion of the sleeve;
inflating the balloon and expanding a second portion of the sleeve to contact the wall of the body lumen at the second location; and
adhering the second portion of the sleeve to the wall of the body lumen at the second location.
8. The method of claim 7 further comprising:
tensioning the thread while the second expanded portion of the sleeve is adhered to the wall of the body lumen at the second location causing the sleeve to unroll at least partially;
relaxing the tension in the thread;
deflating the balloon subsequent adhering the second expanded portion of the sleeve to the wall of the body lumen at the second location;
moving the catheter to a third location within the body lumen proximate to the second expanded portion of the sleeve; and
inflating the balloon and expanding a third portion of the sleeve to contact the wall of the body lumen at the third location; and
adhering the third portion of the sleeve to the wall of the body lumen at the third location.
9. The method of claim 7 wherein deflating the balloon subsequent to adhering the first expanded portion of the sleeve to the wall of the body lumen at the first location is performed prior to tensioning the thread while the first expanded portion of the sleeve is adhered to the wall of the body lumen at the first location.
10. The method claim 7 wherein deflating the balloon subsequent to adhering the first expanded portion of the sleeve to the wall of the body lumen at the first location is performed subsequent to tensioning the thread while the first expanded portion of the sleeve is adhered to the wall of the body lumen at the first location.
11. The method of claim 7 further comprising removing the thread from the sleeve subsequent to adhering the second portion of the sleeve to the wall of the body lumen at the second location.
12. The method of claim 7 further comprising removing the balloon catheter from the body lumen subsequent to adhering the second portion of the sleeve to the wall of the body lumen at the second location.