Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7300400 | Pediatric liver retractor A pediatric liver retractor with a supporting shaft configured traversing a pediatric abdominal wall. A hook portion terminating in an insertion tip is configured generally in a U-shape, with a hook aperture and a hook depth, which along with the insertion tip, are ... | 11/27/2007 |
| 7288065 | Access platform for internal mammary dissection An access platform having a first and a second blade interconnected to a spreader member that laterally drives the blades apart or together and a sternal pad interconnected to a blade. The superior blade is preferably pivotally coupled to the spreader member such th... | 10/30/2007 |
| 6669703 | Vaginal suppository delivery device A vaginal suppository delivery device includes a pincer body having upper and lower clamp members that cooperate to confine a passage, a sleeve member, and a push rod. The clamp members have connecting and clamp end sections. The sleeve member is movable ... | 12/30/2003 |
| 5967971 | Surgical instrument Surgical instrument, particularly a surgical retractor, for use in harvesting saphenous veins for use in coronary bypass operations. The retractor includes a handle, a retractor blade member including first and second limbs which define a view area axis, ... | 10/19/1999 |
| 5904649 | Organ retractors An improved organ retractor includes an elongate handle and a rigid stem extending from one end of the elongate handle. A hollow sleeve is positioned around the stem and is axially slidable along the stem from a retracted position partly inside of said ha... | 05/18/1999 |
| 5363841 | Retractor for spinal surgery The retractor of the present invention has supporting arms connected at an angle to the retractor blades to remove the arms of the retractor from the top edges of the wound and thus allow for a greater amount of latitude in applying various mechanical dev... | 11/15/1994 |
| 5167223 | Heart valve retractor and sternum spreader surgical instrument A generally U-shaped surgical instrument for prying apart and keeping open the rib cage in open heart surgery. There is a stationary arm with a toothed cross bar attached to it. A movable arm similar in configuration to the stationary arm has a housing at... | 12/01/1992 |
| 4052980 | Triaxial fiberoptic soft tissue retractor A surgical retractor instrument having a first pair of fingers of small diameter fixed to one end of a handle and extending therefrom in essentially parallel relation in a lateral direction, the fingers being joined at their extremities to form an open lo... | 10/11/1977 |
