A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 31/728 (2006.01) A61K 9/08 (2006.01) A61K 45/08 (2006.01) A61P 19/02 (2006.01)
Patent
CA 2496121
A separate type medical material containing a hyaluronic acid ester derivative, which satisfies the storage stability of a hyaluronic acid ester derivative and avoidance of irritation and pain at the time of injecting a therapeutic agent for joints, is provided. A separate type medical material comprising liquid (A) which is an aqueous solution containing a hyaluronic acid ester derivative and buffered to a pH of from 4.5 to 6.5, and liquid (B) which is an aqueous solution having such a buffering power that when it is mixed with the liquid (A), the mixed liquid has a pH within a range of from 6.8 to 7.8, kept separately from each other.
L'invention concerne du matériel médical à séparation, contenant un dérivé d'ester d'acide hyaluronique et pouvant combiner la stabilité au stockage dudit dérivé d'ester d'acide hyaluronique et la suppression de l'irritation ou de la douleur induite par les injections de remèdes contre l'arthropathie. Ledit matériel médical comprend des liquides (A) et (B) stockés séparément, le liquide (A) étant une solution aqueuse contenant un dérivé d'ester hyaluronique et tamponnée à pH compris entre 4,5 et 6,5, et le liquide (B) étant une solution aqueuse possédant une capacité de tamponnage qui permet d'obtenir, lorsque le liquide (B) est mélangé au liquide (A), un mélange résultant possédant un pH de 6,8 à 7,8.
Hashimoto Masamichi
Himeda Yasukazu
Miyata Yoshiaki
Miyoshi Teruzou
Umeda Toshihiko
Denki Kagaku Kogyo Kabushiki Kaisha
Smart & Biggar
LandOfFree
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