FIELD: medical engineering. SUBSTANCE: device has internal working member, connecting member, corrugated lateral surfaces of the connecting member, reducing shelf of the connecting member, external restricting member, additional external restricting member, slits in external restricting members. EFFECT: reliability in fastening restricting members; high hygienic properties. 10 cl, 1 dwg
Authors
Dates
2000-09-10—Published
1999-05-19—Filed