| US 7,572,220 B2 | ||
| Collapsible vacuum device | ||
| Simon Siu Man Nan, Ontario (Canada) | ||
| Assigned to Nanma Manufacturing Co., Ltd., Hong Kong (Hong Kong Special Administrative Region of the People's Republic of China, The) | ||
| Filed on Apr. 19, 2005, as Appl. No. 11/109,430. | ||
| Prior Publication US 2006/0235266 A1, Oct. 19, 2006 | ||
| Int. Cl. A61F 5/00 (2006.01) | ||
| U.S. Cl. 600—38 | 30 Claims |
| 1. A vacuum device comprising:
a body including an inner tubular member capable of slidably engaging within an outer tubular member along a longitudinal
axis of the outer tube, and
a sleeve member engageable within said outer tubular member, wherein said sleeve member includes an opening in communication
with a conduit, said conduit defining a plurality of protrusions.
|