SU1694144A1

SU1694144A1 - Syringe

Info

Publication number: SU1694144A1
Application number: SU894650025A
Authority: SU
Inventors: Михаил Александрович Жеребной; Сергей Михайлович Жеребной
Original assignee: М.А.Жеребной и С.М.Жеребной
Priority date: 1989-02-13
Filing date: 1989-02-13
Publication date: 1991-11-30

Abstract

Изобретение относитс к медицине, в частности к устройствам дл введени лекарственных препаратов в организм человека . Цель изобретени - повышение равномерности введени малов зких лекарственных препаратов при продольном перемещении штока. Дл этого на штоке 5 выполнена многозаходна несамотормоз - ща резьба, а упор 6 установлен на штоке 5 с возможностью вращени 1ил,The invention relates to medicine, in particular, to devices for administering drugs to the human body. The purpose of the invention is to improve the uniformity of the introduction of low-viscosity drugs with longitudinal movement of the stem. To do this, a non-self-braking multi-threading is made on the rod 5, and the stop 6 is mounted on the rod 5 rotatably 1il,

Description

Изобретение относитс к медицинской технике, в частности к устройствам дл введени малов зких лекарственных препаратов в организм человека.The invention relates to medical technology, in particular, to devices for administering low-viscosity drugs to the human body.

Цель изобретени - повышение равномерности введени малов зких лекарственных препаратов при продольном перемещении штока.The purpose of the invention is to improve the uniformity of the introduction of low-viscosity drugs with longitudinal movement of the stem.

На чертеже изображен шприц, общий вид.The drawing shows a syringe, a general view.

Шприц состоит из цилиндрического корпуса 1 с иглодержателем 2, иглы 3, поршн 4, штока 5, упора 6 и крышки 7 с отверстием под шток.The syringe consists of a cylindrical body 1 with a needle holder 2, a needle 3, a piston 4, a rod 5, an emphasis 6 and a cover 7 with a hole for the rod.

Шток 5 и крышка 7 взаимосв заны резьбовым соединением, которое выполнено в виде многозаходной несамотормоз щей резьбы 8. Крышка 7 может крепитьс к корпусу 1 при помощи самотормоз щей резьбы 9 и выполн тьс из пластмассы. Упор 6 на штоке 5 закреплен с возможностью вращени .The rod 5 and the lid 7 are interconnected by a threaded joint, which is made in the form of a multiple non-braking thread 8. The lid 7 can be fixed to the housing 1 by means of a self-braking thread 9 and be made of plastic. The stop 6 on the rod 5 is rotatably fixed.

Шприц используетс следующим образом .The syringe is used as follows.

Claims

When the drug is introduced, when the rod 5 moves along the housing 1, it perceives an obstacle from the thread side of the lid, so it cannot move freely in the longitudinal direction, and it must rotate through a certain angle, whatever force is applied to the stop 6. Due to this, the rod 5 will rotate uniformly around the axis and evenly move in the longitudinal direction, uniformly displacing the piston 4 and uniformly squeezing out the drug. Invention Formula

A syringe containing a cylindrical body with a needle holder on one side and a lid with a hole for the rod on the other, in which a piston is placed, with which a rod is connected at one end, the other end of which is provided with an abutment that is distinguished by the dimensionality of the introduction of low-viscosity drugs in the longitudinal movement of the stem, the stem is interconnected with the cap by a threaded joint, which is made in the form of a multiple non-self-braking thread, and the stop is mounted on the stem rotatably.

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