|
US5843028A
|
Multi-lumen endoscopic catheter |
Expired / Lapsed
|
1996-08-30 |
1998-12-01 |
23 |
Details
|
|
US5599299A
|
Multi-lumen endoscopic catheter |
Expired / Lapsed
|
1994-01-31 |
1997-02-04 |
30 |
Details
|
|
US5536248A
|
Method and apparatus for electrosurgically obtaining access… |
Expired / Lapsed
|
1994-11-01 |
1996-07-16 |
18 |
Details
|
|
US5397302A
|
Method of using a dual lumen biliary catheter |
Expired / Lapsed
|
1993-05-11 |
1995-03-14 |
24 |
Details
|