Device for preparation of intravenous filter for implantation
First Claim
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1. A device for preparation of an intravenous filter for implantation, comprising:
- a guide element having a cylindrical and a conical portion;
an applicator, comprising;
a capsule which is detachably connected with said cylindrical portion of the guide element, said capsule carrying an intravenous filter and having a base;
a plurality of springs located at said base;
each of said springs having one end contacting said base and the other end free;
each of said springs curved in such a manner that said free end of said spring, together with the free ends of all of said springs define a pyriform body of revolution, which encompasses said capsule;
a conducting catheter connected to said capsule;
a sleeve installed on said catheter and traversable lengthwise said catheter during preparation for surgery in order to interact with said springs, thus urging said free ends of said springs to be brought together until they are in contact with said capsule;
a stylet accommodated inside said catheter and said capsule and having a thread for holding said intravenous filter; and
a collet grip adapted to interact with said stylet.
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Abstract
The device comprises a guide element and an applicator which has a capsule adapted to accommodate an intravenous filter, a number of springs being located at the capsule base, said springs being so fashioned that their free ends are curved to define a pyriform body of revolution which encompasses the capsule. The applicator comprises also a conducting catheter, a sleeve installed on the catheter and so traversable as to get in contact with the springs, a stylet and a collet grip.
122 Citations
1 Claim
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1. A device for preparation of an intravenous filter for implantation, comprising:
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a guide element having a cylindrical and a conical portion;
an applicator, comprising;a capsule which is detachably connected with said cylindrical portion of the guide element, said capsule carrying an intravenous filter and having a base; a plurality of springs located at said base;
each of said springs having one end contacting said base and the other end free;
each of said springs curved in such a manner that said free end of said spring, together with the free ends of all of said springs define a pyriform body of revolution, which encompasses said capsule;a conducting catheter connected to said capsule; a sleeve installed on said catheter and traversable lengthwise said catheter during preparation for surgery in order to interact with said springs, thus urging said free ends of said springs to be brought together until they are in contact with said capsule; a stylet accommodated inside said catheter and said capsule and having a thread for holding said intravenous filter; and a collet grip adapted to interact with said stylet.
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Specification
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Current AssigneeMoskovsky Ordena Lenina Gosudarstvenny Meditsinsky Institut Imeni NI Pirogova
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Original AssigneeMoskovsky Ordena Lenina Gosudarstvenny Meditsinsky Institut Imeni NI Pirogova
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InventorsSaveliev, Sergei V., Smirnov, Ary A., Kolody, Stepan M., Prokubovsky, Vladimir I., Yablokov, Evgeny G., Saveliev, Viktor S.
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Primary Examiner(s)Thaler, Michael H.
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Application NumberUS07/294,468Time in Patent Office564 DaysField of Search128/303 R, 128/899, 128/348.1, 128/345, 606/200, 606/108US Class Current606/200CPC Class CodesA61F 2/011 Instruments for their place...A61F 2230/0006 circular
