FIELD: medical engineering. SUBSTANCE: device comprises body 1, tip 2 with hollow needle 3, pipe union 4, threaded flange 5 with sealing bushing 6, and rod 7 with head 8 and nut 9. Head 8 has slots and monolithic needle 14 arranged coaxially with hollow needle 3. Pipe union 4, hose and T-pipe are connected with hydraulic pressure gage with scale and filler with physiological solution. EFFECT: higher measuring accuracy. 3 dwg
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Authors
Dates
1995-04-30—Published
1991-06-18—Filed