CN101856251A - 一次性直线形吻合器 - Google Patents
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Abstract
本发明一次性直线形吻合器涉及的是一种外科手术器械,特别适用于消化道胃肠手术中封闭残端和切口。包括固定手柄,活动手柄组件、击发保险机构、击发指示装置、复位按钮组件、抵钉座上夹板、抵钉座下夹板组件、击发传动装置、组件夹板总成、钉仓组件和抵钉座组件;组件夹板总成装配在抵钉座上夹板与抵钉座下夹板组件之间;抵钉座下夹板组件由抵钉座下夹板、复位弹簧、复位弹簧销、固定块组成;组件夹板总成包括组件上夹板、组件下夹板、组件座、推钉板和指示块推板;击发保险机构包括定位杆、固定定位杆滑块、保险滑动板和保险块;击发传动装置包括击发连接块一、击发连接块二、击发推板和击发连接块复位弹簧;击发指示装置具有指示块。
Description
技术领域
本发明一次性直线形吻合器涉及的是一种外科手术器械,特别适用于消化道胃肠手术中封闭残端和切口。
背景技术
目前一次性直线形吻合器缺少击发保险机构,在使用过程中容易造成误击发,另外直线形吻合器没有设置击发指示装置,在使用过中无法观察到吻合钉是否击发,目前直线形吻合器击发传动装置结构比较复杂,使用不够方便容易造成误击发,影响手术成功率,而且装配不方便。
发明内容
本发明目的针对上述不足之处提供一种一次性直线形吻合器,设置有击发保险机构、击发指示装置,手术过程中可以通过击发指示装置明显观察到是否击发,由于设置有击发保险机构可以避免误击发,由于设置有击发连接块传动机构,传动吻合器推钉板、指示块,结构简单,使用方便。
一次性直线形吻合器是采取以下技术方案实现的:一次性直线形吻合器包括固定手柄,活动手柄组件、击发保险机构、击发指示装置、复位按钮组件、抵钉座上夹板、抵钉座下夹板组件、击发传动装置、组件夹板总成、钉仓组件和抵钉座组件。组件夹板总成装配在抵钉座上夹板与抵钉座下夹板组件之间。
抵钉座下夹板组件由抵钉座下夹板、复位弹簧、复位弹簧销、固定块组成,固定块安装在抵钉座下夹板后端,固定块上装有夹板固定销,所述夹板固定销固定抵钉座上夹板和抵钉座下夹板,抵钉座下夹板后部装有复位弹簧销,复位弹簧销上装有复位弹簧,抵钉座下夹板底部设有指示块定位凸台。在抵钉座下夹板设置有复位按钮滑槽。
复位弹簧与组件夹板总成中的指示板后端连接,用于抵钉座下夹板组件复位。
抵钉座组件安装在抵钉座上夹板与抵钉座下夹板前端之间,钉仓组件装在组件夹板总成前端的组件座上。
组件夹板总成包括组件上夹板、组件下夹板、组件座、推钉板和指示块推板,组件座上设置有推钉板安装槽、定位杆定位孔,推钉板前端装插在推钉板安装槽内,推钉板后端与指示块推板连接。所述推钉板后端与指示块推板通过燕尾槽连接。所述指示块推板后部设置有指示块复位凸台、指示块传动凸台。所述组件上夹板与组件下夹板上设有定位杆定位凸起。所述组件上夹板和组件下夹板上设有组件夹板总成滑动定位槽。组件座通过连接销与组件上夹板、组件下夹板相连。
击发保险机构包括定位杆、固定定位杆滑块、保险滑动板和保险块,固定定位杆滑块中设置滑动槽,定位杆装插在固定定位杆滑块凹槽内,保险滑动板一端安装在固定定位杆滑块下部的卡槽内,保险滑动板另一端安装有保险块,固定定位杆滑块通过滑动槽套装在抵钉座上夹板和抵钉座下夹板中部。
击发传动装置包括击发连接块一、击发连接块二、击发推板和击发连接块复位弹簧,击发连接块一的一端通过连接块销一活动连接在组件上夹板和组件下夹板后端,击发连接块一另一端通过连接块销三与击发连接块二的一端活动连接,连接块销三上装有击发连接块复位弹簧,击发连接块二的另一端通过连接块销二与抵钉座上夹板、抵钉座下夹板后部活动连接。所述击发推板装在活动手柄内。
固定手柄卡装在抵钉座上夹板与抵钉座下夹板后部外侧,固定手柄前端设置有示窗孔。所述示窗孔设置有2~3个。
击发指示装置具有指示块,指示块安装固定在固定手柄内,指示块两侧设有凹槽,凹槽上装有标识块,指示块上设有安装滑动槽和推动凸台。在固定手柄一侧设有复位按钮定位孔,在固定手柄一端内侧设有指示块限位凸台,在固定手柄底部设有指块安装定位槽,用于安装指示块。在固定手柄前端内两侧设有保险块滑动槽,用于安装保险块,保险块滑动槽设有2~3条。在固定手柄前端部设置有保险滑动板滑动槽。
复位按钮组件包括复位按钮板、复位按钮、复位按钮板一端通过连接块销二与击发连接块二活动连接,复位按钮另一端设有复位按钮安装凸台,复位按钮通过复位按钮安装凸台装插在抵钉座下夹板的复位按钮滑槽内固定安装在复位按钮板上。
活动手柄组件具有活动手柄,活动手柄外侧装有活动手柄罩,活动手柄内侧装有击发推板,击发推板上装有击发连接块复位弹簧、击发推板销和活动手柄销,活动手柄前端设有三角形凸起与活动手柄复位弹簧连接。
钉仓组件包括钉仓、推片和钉槽,钉仓后侧设置有推片槽,推片装推片槽内,在钉仓前侧设置有若干钉槽,钉槽内装有吻合钉。
抵钉座组件包括抵钉座、抵钉座座、保险块、弹性片和保险盖板,抵钉座设置抵钉座安装槽和定位杆插孔,在抵钉座座上设置有定位杆孔。抵钉座通过抵钉座安装槽安装在抵钉座座上,保险块安装在抵钉座座的局部凹槽内,保险块侧面装有弹性片、保险块外侧装有保险盖板。
工作原理:
首先,向前推动击发保险机构的固定定位杆滑块带动定位杆,将定位杆装插在抵钉座上的定位杆插孔内,再将保险块打开,按压活动手柄,活动手柄下端压动击发连接块一、击发连接块二、击发连接块一二,带动组件上夹板总成,在抵钉座上夹板与抵钉座下夹板中滑行移动,这样吻合组织就可以在钉仓组件和抵钉座组件之间调整到最佳缝、吻合位置,将组织夹持,松开活动手柄,再次按压下活动手柄,活动手柄内的击发推板顶住指示推板,指示推板推动击发推板,击发推板推动推钉片将吻合钉穿透组织形成B字形,将组织缝、吻好,同时带动指示块到视窗孔,当看到指示块时指示缝、吻组织手术完成。
推动复位按钮,顶出击发推板和击发连接块一、击发连接块二,使击发连接块一、击发连接块二自动复位,带动组件夹板总成复位到原始状态,抵钉座与钉仓分开到原始状态,此时将固定定位杆滑块滑向后带动定位杆、保险复位,将器械从缝、吻合组织上取出。
一次性直线形吻合器具有以下显著特点:一次性直线形吻合器设计合理,结构紧凑,由于设置有击发保险机构、击发指示装置,手术过程中可以通过击发指示装置明显观察到是否击发,击发保险机构可以避免误击发,由于设置有击发连接块传动机构,传动吻合器推钉板、指示块,传动可靠,结构简单,装配、使用方便。采用一次性直线形吻合器可以缩短手术时间,提高手术效率,减少病人痛苦,特别适用于消化道胃肠手术中封闭残端和切口。
附图说明
以下将结合附对本发明作进一步说明:
图1是一次性直线形吻合器示意图。
图2是一次性直线形吻合器结构示意图。
图3是一次性直线形吻合器的组件夹板总成示意图。
图4是一次性直线形吻合器的击发保险机构示意图。
图5是一次性直线形吻合器的击发传动装置示意图。
图6是一次性直线形吻合器的活动手柄组件示意图。
图7是一次性直线形吻合器的击发指示装置示意图。
图8是一次性直线形吻合器的钉仓组件示意图。
图9是一次性直线形吻合器的抵钉座组件示意图。
图10是一次性直线形吻合器的复位按钮组件示意图。
具体实施方式
参照附图1~10,一次性直线形吻合器包括固定手柄10,活动手柄组件9、击发保险机构5、击发指示装置8、复位按钮组件7、抵钉座上夹板1、抵钉座下夹板组件6、击发传动装置11、组件夹板总成4、钉仓组件3和抵钉座组件2。组件夹板总成4装配在抵钉座上夹板1与抵钉座下夹板组件6之间。
抵钉座下夹板组件6由抵钉座下夹板6-1、复位弹簧6-2、复位弹簧销6-3、固定块6-4组成,固定块6-4安装在抵钉座下夹板6-1后端,固定块6-4上装有夹板固定销6-5,所述夹板固定销6-5固定抵钉座上夹板1和抵钉座下夹板6-1,抵钉座下夹板6-1后部装有复位弹簧销6-2,复位弹簧销6-3上装有复位弹簧6-2,抵钉座下夹6-1板底部设有指示块定位凸台6-6。在抵钉座下夹板6-1设置有复位按钮滑槽6-7。
复位弹簧6-2与组件夹板总成4中的指示板后端连接,用于抵钉座下夹板组件复位。
抵钉座组件2安装在抵钉座上夹板1与抵钉座下夹板6-1前端之间,钉仓组件3装在组件夹板总成4前端的组件座4-2上。
组件夹板总成4包括组件上夹板4-3、组件下夹板4-5、组件座4-2、推钉板4-4和指示块推板4-6,组件座4-2上设置有推钉板安装槽4-13、定位杆定位孔4-7,推钉板4-4前端装插在推钉板安装槽4-13内,推钉板4-4后端与指示块推板4-6连接。所述推钉板4-4后端与指示块推板4-6可通过燕尾槽4-8连接。所述指示块推板4-13后部设置有指示块复位凸台4-11、指示块传动凸台4-12。所述组件上夹板4-3与组件下夹板4-5上设有定位杆定位凸起4-9。所述组件上夹板4-3和组件下夹板4-5上设有组件夹板总成滑动定位槽4-10。组件座4-2通过连接销4-1与组件上夹板4-3、组件下夹板4-5相连。
击发保险机构5包括定位杆5-1、固定定位杆滑块5-2、保险滑动板5-3和保险块5-4,固定定位杆滑块5-2中设置滑动槽5-5,定位杆5-1装插在固定定位杆滑块凹槽5-6内,保险滑动板5-3一端安装在固定定位杆滑块下部的卡槽5-7内,保险滑动板5-3另一端安装有保险块5-4,固定定位杆滑块5-2通过滑动槽5-5套装在抵钉座上夹板1和抵钉座下夹板6-1中部。
击发传动装置11包括击发连接块一11-2、击发连接块二11-4、击发推板11-6和击发连接块复位弹簧11-7,击发连接块一11-2的一端通过连接块销一11-1活动连接在组件上夹板1和组件下夹板6-1后端,击发连接块一11-2另一端通过连接块销三11-3与击发连接块二11-4的一端活动连接,连接块销三11-3上装有击发连接块复位弹簧11-7,击发连接块二11-4的另一端通过连接块销二11-5与抵钉座上夹板1、抵钉座下夹板6-1后部活动连接。所述击发推板11-6装在活动手柄9内。
固定手柄10卡装在抵钉座上夹板1与抵钉座下夹板6-1后部外侧,固定手柄10前端设置有示窗孔10-1。所述示窗孔设置有2~3个。
击发指示装置8具有指示块8-1,指示块8-1安装固定在固定手柄10内,指示块8-1两侧设有凹槽8-9,凹槽8-9上装有标识块,指示块8-1上设有安装滑动槽8-2和推动凸台8-3。在固定手柄10一侧设有复位按钮定位孔8-8,在固定手柄一端内侧设有指示块限位凸台8-4,在固定手柄10底部设有指块安装定位槽8-5,用于安装指示块8-1。在固定手柄10前端内两侧设有保险块滑动槽8-6,用于安装保险块5-4,保险块滑动槽8-6设有2~3条。在固定手柄10前端部设置有保险滑动板滑动槽8-7。
复位按钮组件7包括复位按钮板7-1、复位按钮7-2、复位按钮板7-1一端通过连接块销二11-5与击发连接块二11-4活动连接,复位按钮7-2另一端设有复位按钮安装凸台7-3,复位按钮7-2通过复位按钮安装凸台7-3装插在抵钉座下夹板6-1的复位按钮滑槽6-7内固定安装在复位按钮板7-1上。
活动手柄组件9具有活动手柄9-1,活动手柄9-1外侧装有活动手柄罩9-2,活动手柄9-1内侧装有击发推板11-6,击发推板11-6上装有击发连接块复位弹簧11-7、击发推板销9-3和活动手柄销9-4,活动手柄9前端设有三角形凸起9-5与活动手柄复位弹簧连接。
钉仓组件包括钉仓3-2、推片3-1和吻合钉3-3,钉仓3-2后侧设置有推片槽,推片3-1装推片槽内,在钉仓3-2前侧设置有若干钉槽3-4,钉槽3-4内装吻合钉3-3。
抵钉座组件2包括抵钉座2-1、抵钉座座2-2、保险块2-3、弹性片2-4和保险盖板2-5,抵钉座2-1设置抵钉座安装槽2-8和定位杆插孔2-6,在抵钉座座2-2上设置有定位杆孔2-7。抵钉座通过抵钉座安装槽2-8安装在抵钉座座2-2上,保险块2-3安装在抵钉座座2-2的局部凹槽2-9内,保险块2-3侧面装有弹性片2-4、保险块2-3外侧装有保险盖板2-5。
Claims (10)
1.一种一次性直线形吻合器,其特征在于包括固定手柄,活动手柄组件、击发保险机构、击发指示装置、复位按钮组件、抵钉座上夹板、抵钉座下夹板组件、击发传动装置、组件夹板总成、钉仓组件和抵钉座组件;
组件夹板总成装配在抵钉座上夹板与抵钉座下夹板组件之间;
抵钉座下夹板组件由抵钉座下夹板、复位弹簧、复位弹簧销、固定块组成,固定块安装在抵钉座下夹板后端,固定块上装有夹板固定销,抵钉座下夹板后部装有复位弹簧销,复位弹簧销上装有复位弹簧,抵钉座下夹板底部设有指示块定位凸台,在抵钉座下夹板设置有复位按钮滑槽;
复位弹簧与组件夹板总成中的指示板后端连接,用于抵钉座下夹板组件复位;
抵钉座组件安装在抵钉座上夹板与抵钉座下夹板前端之间,钉仓组件装在组件夹板总成前端的组件座上;
组件夹板总成包括组件上夹板、组件下夹板、组件座、推钉板和指示块推板,组件座上设置有推钉板安装槽、定位杆定位孔,推钉板前端装插在推钉板安装槽内,推钉板后端与指示块推板连接;组件座通过连接销与组件上夹板、组件下夹板相连;
击发保险机构包括定位杆、固定定位杆滑块、保险滑动板和保险块,固定定位杆滑块中设置滑动槽,定位杆装插在固定定位杆滑块凹槽内,保险滑动板一端安装在固定定位杆滑块下部的卡槽内,保险滑动板另一端安装有保险块,固定定位杆滑块通过滑动槽套装在抵钉座上夹板和抵钉座下夹板中部;
击发传动装置包括击发连接块一、击发连接块二、击发推板和击发连接块复位弹簧,击发连接块一的一端通过连接块销一活动连接在组件上夹板和组件下夹板后端,击发连接块一另一端通过连接块销三与击发连接块二的一端活动连接,连接块销三上装有击发连接块复位弹簧,击发连接块二的另一端通过连接块销二与抵钉座上夹板、抵钉座下夹板后部活动连接;所述击发推板装在活动手柄内;
固定手柄卡装在抵钉座上夹板与抵钉座下夹板后部外侧,固定手柄前端设置有示窗孔;
击发指示装置具有指示块,指示块安装固定在固定手柄内,指示块上设有安装滑动槽和推动凸台;在固定手柄一侧设有复位按钮定位孔,在固定手柄一端内侧设有指示块限位凸台,在固定手柄底部设有指块安装定位槽,安装指示块,在固定手柄前端内两侧设有保险块滑动槽,用于安装保险块,在固定手柄前端部设置有保险滑动板滑动槽;
复位按钮组件包括复位按钮板和复位按钮,复位按钮板一端通过连接块销二与击发连接块二活动连接,复位按钮另一端设有复位按钮安装凸台,复位按钮通过复位按钮安装凸台装插在抵钉座下夹板的复位按钮滑槽内固定安装在复位按钮板上;
活动手柄组件具有活动手柄,活动手柄外侧装有活动手柄罩,活动手柄内侧装有击发推板,活动手柄前端设有三角形凸起与活动手柄复位弹簧连接;
钉仓组件包括钉仓、推片和钉槽,钉仓后侧设置有推片槽,推片装推片槽内,在钉仓前侧设置有若干钉槽,钉槽内装有吻合钉;
抵钉座组件包括抵钉座、抵钉座座、保险块、弹性片和保险盖板,抵钉座设置抵钉座安装槽和定位杆插孔,在抵钉座座上设置有定位杆孔,抵钉座通过抵钉座安装槽安装在抵钉座座上,保险块安装在抵钉座座的局部凹槽内,保险块侧面装有弹性片、保险块外侧装有保险盖板。
2.根据权利要求1所述的一次性直线形吻合器,其特征在于所述夹板固定销固定抵钉座上夹板和抵钉座下夹板。
3.根据权利要求1所述的一次性直线形吻合器,其特征在于所述推钉板后端与指示块推板通过燕尾槽连接。
4.根据权利要求1所述的一次性直线形吻合器,其特征在于所述指示块推板后部设置有指示块复位凸台、指示块传动凸台。
5.根据权利要求1所述的一次性直线形吻合器,其特征在于所述组件上夹板与组件下夹板上设有定位杆定位凸起。
6.根据权利要求1所述的一次性直线形吻合器,其特征在于所述组件上夹板和组件下夹板上设有组件夹板总成滑动定位槽。
7.根据权利要求1所述的一次性直线形吻合器,其特征在于所述示窗孔设置有2~3个。
8.根据权利要求1所述的一次性直线形吻合器,其特征在于所述指示块两侧设有凹槽,凹槽上装有标识块。
9.根据权利要求1所述的一次性直线形吻合器,其特征在于所述保险块滑动槽设有2~3条。
10.根据权利要求1所述的一次性直线形吻合器,其特征在于所述击发推板上装有击发连接块复位弹簧、击发推板销和活动手柄销。
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