Title:
MEDICAL TOOL
Document Type and Number:
Japanese Patent JPS5975056
Kind Code:
A
Abstract:
Medical articles made of a resin composition comprising a polyvinyl chloride and a tetracarboxylic tetraester are provided. As examples of the tetracarboxylic tetraester are mentioned tetra(2-ethylhexyl) 3,3',4,4'-biphenylethertetracarboxylate, tetra(2-ethyl-hexyl) 3,3',4,4'-biphenyimethane- tetracarboxylate, tetra(n-dodecyl) 2,3,3',4'-biphenyl-1,1-ethanetetracarboxylate, tetra(2-ethylhexyl) 3,3',4,4'-biphenyl-2,2-propanetetracarboxylate and the like. The tetracarboxylic tetraester is incorporated in an amount from 20 to 120, preferably from 30 to 100 parts by weight per 100 parts by weight of the polyvinyl chloride. As dissolution and migration to the surface of the article of the plasticizer tetracarboxylic tetraester are low in the medical articles, said medical articles produce no adverse effects upon body fluids such as blood when contacted. Examples of preferred medical articles are blood preservation vessels, catheters and blood transfusion sets.
Inventors:
AOYANAGI SHIGEO
ICHIKAWA SHIYUNJI
KOIDE MIKIO
SHIMOMURA TAKESHI
ICHIKAWA SHIYUNJI
KOIDE MIKIO
SHIMOMURA TAKESHI
Application Number:
JP18300282A
Publication Date:
April 27, 1984
Filing Date:
October 20, 1982
Export Citation:
Assignee:
TERUMO CORP
International Classes:
A61J1/00; A61L29/00; A61J1/05; C08K5/12; C08K5/375; C08K5/41; (IPC1-7): A61M1/03
Domestic Patent References:
| JPS5762241A | 1982-04-15 | |||
| JPS6157786A | 1986-03-24 |
Attorney, Agent or Firm:
Mikio Hatta