United States Patent (19) (11 Patent Number: 4,964,261 Benn 45) Date of Patent: Oct
United States Patent (19) (11 Patent Number: 4,964,261 Benn 45) Date of Patent: Oct. 23, 1990 54 BAG FILLING METHOD AND APPARATUS 4,417,607 11/1983 Schole et al. FOR PREPARNG PHARMACEUTICAL 4,452,030 6/1984 Inada. STERILE SOLUTIONS 4,524,563 6/1985 Sassi. 4,610,790 9/1986 Reti et al. 76) Inventor: James A. Benn, 31 Fairmount Ave., 4,694,959 9/1987 Ausnit et al. ..................... 383/37 X Somerville, Mass. 02144 4,754,786 7/1988 Roberts . 4,856,261 8/1989 Hackett et al. ....................... 53/469 21 Appl. No.: 301,506 FOREIGN PATENT DOCUMENTS (22 Filed: Jan. 24, 1989 1027124 3/1958 Fed. Rep. of Germany ........ 53/469 (51) Int. Cl. .......................... B65B 3/17; B65B 3/16; 95878 11/1960 Netherlands .......................... 53/469 B65B 3/06 353877 12/1972 U.S.S.R. ................................ 53/469 (52) U.S. Cl. ........................................ 53/469; 53/479; 383/37; 383/101; 383/904 Primary Examiner-Horace M. Culver 58 Field of Search ................. 53/450, 459, 469, 479, Attorney, Agent, or Firm-Richard P. Crowley 53/548,567, 576, 570; 383/904, 101, 37 57 ABSTRACT (56) References Cited A bag filling method and apparatus for preparing phar U.S. PATENT DOCUMENTS maceutical steril solutions in a plurality of sterile flexi ble bags in a non-sterile environment, which method 2,530,400 11/1950 Rado ..................................... 53/469 and apparatus comprise providing a pre-sterilized tubu 2,802,324 8/1957 Rado ... ... 53/567 2,870,583 1/1959 Flax ..... ... 53/469 lar bag having a single inlet, introducing a solution 2,958,169 11/1960 Flax ......................................
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