FIELD: medical engineering. SUBSTANCE: stopper has telescopically shifting body consisting of two parts pushed apart by spring so that distance ring enclosed between their comb-like teeth under protective casing forms corrugation which closes hole. Stopper may be widely used in women' critical days. EFFECT: small mass, convenient handling. 3 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| MOSHONKOV VERTEBRA ENDOPROSTHESIS (EIGHTH VERSION) | 1997 |
|
RU2132174C1 |
| CANNULA FOR CARDIAC VENTRICULAR SHUNTING | 1994 |
|
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| SPORTS BOAT | 1995 |
|
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| BONE COMPRESSION DEVICE FOR PERFORMING LONG TUBULAR BONE OSTEOSYNTHESIS | 1994 |
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| DRAWING DEVICE | 1994 |
|
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| VERTEBRA ENDOPROSTHESIS (FIFTH VARIANT) | 1997 |
|
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| HAND-HELD DRILL | 1998 |
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| VERTEBRA ENDOPROSTHESIS (SECOND VARIANT) | 1997 |
|
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| LURE | 1995 |
|
RU2081579C1 |
| VIBRATOR | 1994 |
|
RU2074693C1 |
