Removable hemostasis valve
Patent 4436519 Issued on March 13, 1984. Estimated Expiration Date: 
May 28, 2001. 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 28, 2001. 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 3459188 3547119 3592192 Catheter placement unit with resilient sleeve and manual sleeve closure Hemostasis cannula Tubing connector Needle restraining apparatus Catheter Catheter holding device Atraumatic blood access device valve InventorAssigneeApplicationNo. 06/267984 filed on 05/28/1981US Classes:604/175, Implanted connecting means137/847, With biasing means604/256Having flow closing or opening means (e.g., plug, cap, seal, etc.)ExaminersPrimary: Apley, Richard J.Assistant: Yanulis, George Attorney, Agent or FirmInternational ClassesA61M 39/02 (20060101)A61M 39/02 (20060101) A61M 39/06 (20060101) A61M 39/06 (20060101) A61M 39/04 (20060101) A61M 39/04 (20060101) AbstractA hemostasis valve comprising a body having a central passage, a seal having a central aperature therein, the seal being mounted in the central passage, and a diaphragm having a wall member with a slit therein, the diaphragm being mounted in the central passage, the diaphragm wall member having an inner bottom diaphragm surface, and an outer bottom diaphragm surface, the slit extending from the inner bottom diaphragm surface to the outer bottom diaphragm surface, the wall member having a diaphragm chamber therewithin. | |
