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2. 发明专利

RU1768174C DISPOSABLE SYRINGE 未知
公开(公告)号：RU1768174C
公开(公告)日：1992-10-15
申请号：SU4682845
申请日：1989-04-24
申请人： MAZURIK SERGEJ M , EFREMOV OLEG V
发明人： MAZURIK SERGEJ M , EFREMOV OLEG V
IPC分类号： A61M5/315 , A61M5/50
摘要： PCT No. PCT/SU89/00261 Sec. 371 Date Dec. 21, 1990 Sec. 102(e) Date Dec. 21, 1990 PCT Filed Oct. 4, 1989 PCT Pub. No. WO90/12612 PCT Pub. Date Nov. 1, 1990.A disposable syringe for injections has a cylindrical housing (1), which accommodates a piston (2) with a rod (3) and a needle fixing device. The piston (2) and the rod (3) are mechanically disengaged from each other and the rod (3) has an annular two-stepped slot (5), wherein provision is made for a lower-depth portion (6) and a higher-depth portion (7). A sealing cup (8) made of an elastic material is interference-fitted in the portion (6) of the slot (5), the width of the cup (8) being in excess of the clearance (b) between the bottom of the slot (5) in the portion (6) thereof and the inner surface of the housing (1).

4. 发明专利

SU1678377A1 SINGLE-USE SYRINGE 未知
公开(公告)号：SU1678377A1
公开(公告)日：1991-09-23
申请号：SU4682849
申请日：1989-04-24
申请人： MAZURIK SERGEJ M , SOKOLOV ANDREJ N
发明人： MAZURIK SERGEJ M , SOKOLOV ANDREJ N
IPC分类号： A61M5/178 , A61M5/315 , A61M5/50
摘要： PCT No. PCT/SU89/00266 Sec. 371 Date Dec. 21, 1990 Sec. 102(e) Date Dec. 21, 1990 PCT Filed Oct. 16, 1989 PCT Pub. No. WO90/12613 PCT Pub. Date Nov. 1, 1990.The invention relates to medical engineering. A disposable injection syringe comprises a cylindrical body (1) accommodating a piston (2) with a rod (3). The rod (3) is of a shaped design and appears as a plurality cone frustums (7) arranged in series lengthwise the rod; a shaped hollow insert (8) is arranged concentrically to the rod, which insert is composed of two parts (8a,8b) and whose inner surface follows the outer surface of the rod (3), while its outer surface is formed by the surfaces of a plurality of cone frustums (9). A washer (10) is interposed between the piston (2) and the insert (8) concentrically to the rod (3), the side face of the washer being bevelled, while a collar (11) is provided on the inner surface of the body (1), one of the collar surfaces being bevelled so as to suit the bevelled surface of the washer (10). The disposable injection syringe is applicable at any medical institutions and for individual use.

8. 发明专利

SU1139443A1 UTERINE DILATOR 未知
公开(公告)号：SU1139443A1
公开(公告)日：1985-02-15
申请号：SU3642190
申请日：1983-06-27
申请人： GOLUBEV ANATOLIJ P , MAZURIK SERGEJ M , KRIVONOS STANISLAV M , PILIPCHENKO ANNA B
发明人： GOLUBEV ANATOLIJ P , MAZURIK SERGEJ M , KRIVONOS STANISLAV M , PILIPCHENKO ANNA B
IPC分类号： A61M29/00

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