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| Number | Title | Issue Date |
| 5820755 | Leukocyte filter unit A method for removing leukocytes from a leukocyte-containing suspension comprising passing said suspension through a filter including a nitrocellulose membrane having a pore size of 5-15 μm.... | 10/13/1998 |
| 5704919 | Intravenous cannula assembly An intravenous cannula assembly having a cannula with a distal end insertable into a patient, a guide needle movable to an operative position with respect to the cannula and having as distal end for piercing the patient. The guide needle is movable to a r... | 01/06/1998 |
| 4976692 | Catheter particularly useful for inducing labor and/or for the application of a pharmaceutical substance to the cervix of the uterus Artificial ripening of the unfavorable cervix was attempted in 69 patients by a newly designed double balloon catheter, placed in the cervix for 12 hours. The balloons, such inflated to 40 ml, covered the internal and external cervical os, with the cathet... | 12/11/1990 |
