SU980703A1 - Устройство дл рассечени тканей - Google Patents

Устройство дл рассечени тканей Download PDF

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SU980703A1
SU980703A1 SU802925544A SU2925544A SU980703A1 SU 980703 A1 SU980703 A1 SU 980703A1 SU 802925544 A SU802925544 A SU 802925544A SU 2925544 A SU2925544 A SU 2925544A SU 980703 A1 SU980703 A1 SU 980703A1
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SU802925544A
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Анатолий Григорьевич Шантуров
Анатолий Антонович Корзун
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Иркутский Государственный Медицинский Институт
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Изобретение относитс  к медицинской технике, а именно к хирургичесКИМ инструментам. Известно устройство дл  рассечени  тканей, содержащее корпус, привод и рабочий орган в виде фрезы, причем на корпусе установлена муфта с пазом и ручкой, внутри которого расположен вал с зубчатым колесом, взаимодействующим с зубчатой нарезкой на корпусе, и винтовой регул тор , соединенный с т гой внутри корпуса , св занный с фрезой пос Уедством конической зубчатой передачи П . Недостатком известного устройств  вл етс  то, что оно не позвол ет рассекать ткани в различных плоскост х . Наиболее близким к предлагаемому  вл етс  устройство дл  рассечени  тканей, содержащее полый корпус с установленной в нем рейкой с шестерней , рабочий орган,,привод и руко тку 2. Недостатком известного устройства также  вл етс  то, что оно не может обеспечить рассечение тканей в различных плоскост х. Цель изобретени  - обеспечение рассечени  тканей в любой плоскости. Поставленна  цель достигаетс  тем, что устройство дл  рассечени  тканей, содержащее полый корпус с установленной в нем рейкой с иестерней , рабочий орган, привод и руко тку , снабжено дополнительной рейкой с шестерней и рычагом с вилкой и кремальерой , рабочий орган выполнен в виде ,двух ножей, каждый из которых закреплен на ос х шестерен, свободный конец рейки выполнен в виде кру|- лого стержн  с продольным пазом, закрепленного на руко тке с возможностью осевого вращени , а свободный конец дополнительной рейки выполнен в виде пр моугольного стержн , установленного в пазу рейки, при этом обе рейки установлены параллельно 3 продольной оси корпуса, шестерни установлены соосно, а корпус выполн с возможностью продольного и вращательного перемещени  с помощью рыча с вилкой и кремальерой. Кроме того,привод выполнен в вид двух рычагов, нах имного и подпружиненного , шарнирно соединенных друг с другом планкой, каждый из которых шарнирно установлен на руко тке,при этом подпружиненный рычаг шарнирно св зан с дополнительной рейкой. На фиг.1 показано устройство; на фиг.2 - сечение Л-А на фиг.1; на фиг.З - сечение Б-Б на фиг.1; на фиг. - сечение В-В на фиг.2. Устройство дл  рассечени  тканей содержит полый корпус 1,в рабочем конце которого закреплены соосно установленные шестерни 2 и 3, режущие ножи 4 и 5 закреплены на ос х 6 и 7. Шестерни 2 и 3 взаимодействуют с зубчатыми рейками 8 и 9, причем свободный конец рейки 8 выполнен в виде круглого стержн  с продольным пазом 10 и установлен в корпусе руко тки 11 с возможность вращени  вокруг своей продольной ос Свободный конец дополнительной рейки 9 выполнен пр моугольным и устаjИовлен в пазу 10 рейки 8, причем на конце рейки выполнен кольцевой выступ 12 (упор-ограничитель), взаимо действующий шарнирно с пазом, выпол ненным на конце подпружиненного рымага 13, закрепленного на руко тке 11 с помощью шарнира 1А и пружины Корпус 1 закреплен на руко тке 11 с помощью вилки 16 с цапфами 17,выполненной на рычаге 18, шарнирно за крепленном на руко тке 11 и имеющим фиксирующий элемент 19, взаимодействующий с таким же элементом 20 в виде кремальеры, выполненном на корпусе руко тки 11. Цапфы 17 разме щены между кольцевыми выступами 21 . и 22, выполненными на корпусе 1. На корпусе 1 шарнирно закреплены нажим ной рычаг 23, который с помощью пла тины 2k шарнирно соединен с подпружи ченным рычагом 13. Свободный коне рейки 8 снабжен кольцевыми выступам 25 и 2б,а ось 6 шестерни подвижно 25 и 26, а ось шестерни подвижно закреплена в опорной пластине 27 корпуса 1. Устройство работает следующим об разом . 3 Предварительно или после введени  в оперируемую полость хирург путем вращени  полого корпуса 1 относительно его продольной оси устанавливает в цапфах 17 вилки 16 в определенное положение режущие элементы j и 5, а также путем перемещени  рычага 18 устанавливает в оп{ еделенное положение корпус 1 и одновременно режущие ножи l и 5 относительно своих осей 6 и 7 и закрепл ет корпус и ножи с помощью элементов 19 и 20 на руко тке 11. После этого ввод т в рабочую часть корпуса 1 с режущими ножами и 5 в полость и путем периодического перемещени  пальцами руки рычага 23 производ т перемещение .через пластину 2А рычага 13, который с помощью упора 12 перемещает рейку 8 и вращает режущий нох k, который взаимодейству  с 5, производит необходимое рассечение тканей. Обратный ход ножа рбеспечиваетс  действием пружины 15, котора  при освобождении §ычага 23 возвращает рычаг 13, рейку В исходное положение. и нож ч Таким образом, предлагаемое устройство позвол ет быстро производить установку рабочего органа (ножей в необходимое рабочее положение и более надежно и быстро осуществл ть рассечение тканей в любой плоскости. Формула . изобретени  1. Устройство дл  рассечени  тканей , содержащее полый корпус с установленной в нем рейкой с шестерней, рабочий орган, привод и руко тку, отличающеес  тем, что, с целью обеспечени  рассечени  тканей в любой , оно снабжено допол нительной рейкой с шестерней и рычагом с вилкой и кремальерой, рабочий орган выполнен в виде двух ножей, каждый из которых закреплен на ос х шестерен, свободный конец рейки выполнен в виде круглого стержн  с продольным пазом,. закрепленного на руко тке с возможностью осевого вра щени , а свободный конец дополнительной рейки выполнен в виде пр моугольного стержн , установленного в пазу рейки, при этом обе рейки установлены параллельно продольной оси корпуса, шестерни уст ановлены соосно, а корпус выполнен с возможно.стью продольного
и вращательйого перемещени  с помощью рычага: 1C вилкой и кремальерой
2. Устройство по П.1, отличающеес  тем, что привод выполнен в виде двух рычагов, нажимного и под пружиненного, шарнирно соединенных друг с другом планкой, каждый из которых шарнирно установлен на руко тке , при этом подпружиненный рычаг
шарнирно св зан с дополнительной рей. кой.
Источники информации, прин тые во внимание при экспертизе
1.Авторское свидетельство СССР N707579, кл. А 61 В 17/16. 1977.
2.Авторское свидетельство СССР ff 602168, кл. А 61 В 17/16, 1977 (прототип).
г 2f 5 , f7.H. Фи1.5 f 7 ///.

Claims (2)

  1. Формула . изобретения
    1. Устройство для рассечения тканей, содержащее полый корпус с установленной в нем рейкой с шестерней, рабочий орган, привод и рукоятку, отличающееся тем, что, с целью обеспечения рассечения тканей в любой плоскости, оно снабжено дополнительной рейкой с шестерней и рычагом с вилкой и кремальерой, рабочий орган выполнен в виде двух ножей, каждый из которых закреплен на осях шестерен, свободный конец рейки выполнен в виде круглого стержня с продольным пазом,. закрепленного на рукоятке с возможностью осевого вра>щения, а свободный конец дополнительной рейки выполнен в виде прямоугольного стержня, установленного в пазу рейки, при этом обе рейки установлены параллельно продольной оси корпуса, шестерни установлены соосно, а корпус выполнен с возможностью продольного
    5 980703 6 и вращательного перемещения с помощью рычагазс вилкой и кремальерой.
  2. 2. Устройство по п.1, отличающееся тем, что привод выполнен в виде двух рычагов, нажимного и под* 5 пружиненного, шарнирно соединенных друг с другом планкой, каждый из которых шарнирно установлен на рукоятке, при этом подпружиненный рычаг шарнирно связан с дополнительной рей.·' кой.
SU802925544A 1980-05-16 1980-05-16 Устройство дл рассечени тканей SU980703A1 (ru)

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