Ring applicator with an endoscope
Patent 4257420 Issued on March 24, 1981. Estimated Expiration Date: 
May 22, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 22, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3870048 3911923 3924608 Multiple occlusion ring applicator and method Patent #: 4085743 InventorAssigneeApplicationNo. 06/041339 filed on 05/22/1979US Classes:606/140, Elastic band applier600/104With tool carried on endoscope or auxillary channel thereforeExaminersPrimary: Michell, Robert W.Assistant: Thaler, Michael H. International ClassesA61B 17/12 (20060101)A61F 6/00 (20060101) A61F 6/20 (20060101) A61B 17/30 (20060101) AbstractA ring applicator with an endoscope comprises an outer tube, an inner tube reciprocatingly inserted into the outer tube and having a rubber ring removably mounted on the inner tube, and an endoscope reciprocatingly inserted into the inner tube. An open type forceps is reciprocatingly inserted into a channel of the endoscope. The applicator further comprises an operation device which is movable toward the proximal end of an operation unit connected to the outer tube, thereby pulling the forceps into the inner tube to close the forceps, then pulling both the forceps and the endoscope into the inner tube, and finally pulling the inner tube into the outer tube to remove the rubber ring from the inner tube. | |
