FIELD: medical engineering. SUBSTANCE: this device incorporates needle for puncturing vein by working end of tube in such manner that hole in needle side surface be disposed above skin surface. Blood rushes into hole when needle enters vein through passage. Light guide is to be inserted into tube gap until it butts against plug and then irradiation procedure should be started. EFFECT: greater simplicity and prevention of embolic complications and infection after contacting light guide. 2 dwg
Authors
Dates
1995-02-27—Published
1990-09-14—Filed