A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 27/00 (2006.01) A61M 1/00 (2006.01)
Patent
CA 2674036
The illustrative embodiments described herein are directed to a manually-actuated pump and method for applying reduced pressure at tissue site. The manually-actuated pump includes at least one variable volume chamber that is manually compressible into a plurality of positions. The manually-actuated pump includes a fixed volume chamber in communication with the at least one variable volume chamber. The manually-actuated pump also includes a filter housing having a hydrophobic filter that prevents liquid from entering the at least one variable volume chamber. The fixed volume chamber is coupled to the at least one variable volume chamber via the filter housing. The filter housing is located in between the at least one variable volume chamber and the fixed volume chamber.
La présente invention concerne des modes de réalisation illustratifs d'une pompe à actionnement manuel et d'un procédé destiné à appliquer une pression réduite sur un site tissulaire. La pompe à actionnement manuel comprend au moins une chambre à volume variable, manuellement compressible dans une pluralité de positions. La pompe à actionnement manuel comprend une chambre à volume fixe en communication avec la (les) chambre(s) à volume variable. La pompe à actionnement manuel comprend également un boîtier de filtre ayant un filtre hydrophobe qui empêche le liquide de pénétrer dans la (les) chambre(s) à volume variable. La chambre à volume fixe est couplée à la (aux) chambre(s) à volume variable par l'intermédiaire du boîtier de filtre. Le boîtier de filtre est situé entre la (les) chambre(s) à volume variable et la chambre à volume fixe.
Hardman Ian James
Heaton Keith Patrick
Borden Ladner Gervais Llp
Kci Licensing Inc.
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