CN102247182A - 外科用电动吻合器 - Google Patents

外科用电动吻合器 Download PDF

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CN102247182A
CN102247182A CN2011101097227A CN201110109722A CN102247182A CN 102247182 A CN102247182 A CN 102247182A CN 2011101097227 A CN2011101097227 A CN 2011101097227A CN 201110109722 A CN201110109722 A CN 201110109722A CN 102247182 A CN102247182 A CN 102247182A
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closed
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drive mechanism
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戴晓东
袁栋坤
虞国安
芮龙
吉荣
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Changzhou Kangdi Medical Stapler Co Ltd
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Changzhou Kangdi Medical Stapler Co Ltd
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Abstract

一种外科用电动吻合器，包括具有抵钉座、钉仓和执行机构的吻切部以及驱动执行机构的驱动装置，所述的驱动装置为电驱动装置，且该电驱动装置由电源、控制板以及闭合驱动单元、击发驱动单元共同组成，闭合驱动单元由闭合电机和闭合传动机构组成，闭合传动机构的输入端与闭合电机连接，闭合传动机构的输出端与吻切部的执行机构连接，击发驱动单元由击发电机和击发传动机构组成，击发传动机构的输入端与击发电机连接，击发传动机构的输出端与吻切部的执行机构连接，闭合电机和击发电机均通过导线与控制板连接，控制板通过导线与电源连接。本发明能够提高手术质量、降低医生操作难度、并能实现自动化操作。

Description

外科用电动吻合器
技术领域
 本发明属于医疗器械领域，涉及一种医用吻合器，具体地说，涉及一种外科用电动吻合器。
背景技术
医用吻合器是对消化道生理组织施行外科手术时经常使用的一种医疗器械，现在常用的吻合器在对生理组织实施“闭合、吻合、切割”的操作过程全为手动操作，通常手动操作步骤繁琐，容易发生误操作，或者造成手术失败。另外由于个体差异，手动闭合操作时对组织实施的闭合程度、闭合时间容易产生不一致，击发操作时击发力会相差很大，从而降低了手术质量。
发明内容
本发明的目的是提供一种能提高手术质量、降低医生操作难度、并能实现自动化操作的外科用电动吻合器。
实现上述目的的技术方案是：一种外科用电动吻合器，包括具有抵钉座、钉仓和执行机构的吻切部以及驱动执行机构的驱动装置，所述的驱动装置为电驱动装置，且该电驱动装置由电源、控制板以及闭合驱动单元、击发驱动单元共同组成，闭合驱动单元由闭合电机和闭合传动机构组成，闭合传动机构的输入端与闭合电机连接，闭合传动机构的输出端与吻切部的执行机构连接，击发驱动单元由击发电机和击发传动机构组成，击发传动机构的输入端与击发电机连接，击发传动机构的输出端与吻切部的执行机构连接，闭合电机和击发电机均通过导线与控制板连接，控制板通过导线与电源连接。
闭合传动机构由固定连接在一起的闭合丝杆和传动杆组成，且闭合丝杆和闭合电机螺纹连接。
击发传动机构由固定连接在一起的击发丝杆和击发传动杆组成，击发丝杆与击发电机螺纹连接。
驱动装置上设置有操作手柄，操作手柄上设置有操作按钮和转换开关，转换开关通过导线与控制板连接，操作按钮由安装在控制板上的前进按钮和后退按钮组成。
闭合电机和击发电机为微型直流电机或带减速器的微型直流电机。
采用上述技术方案后，本发明的电驱动装置设置了两个基本的驱动单元，即闭合驱动单元和击发驱动单元。两个驱动单元分别设有独立的驱动电机和传动机构，共用1套电源，通过电控装置，实现先后顺序动作（互锁），传动机构将旋转运动转换为具有一定速度和力的直线运动，来驱动前面吻切部的执行机构。
操作手柄上的设有相关按钮，按钮之间的动作顺序是控制的，只有在完成闭合操作后，通过电气切换开关，才能驱动击发电机完成击发，医生只要按下相关按钮就可方便的完成手术过程。
通过以上的机构，实现了器械的自动操作，使手术过程更加容易以设定的顺序和速度完成，有利于提高手术质量，同时改善了器械的操作性能，减少了医生的操作难度。
附图说明
图1为本发明的第一种结构示意图（管形吻合器）；
图2为本发明的第二种结构示意图（线形吻合器）；
图3为本发明的第三种结构示意图（切割吻合器）。
具体实施方式
下面结合附图和实施例对本发明作进一步详细的说明。
如图1~3所示，一种外科用电动吻合器，包括具有抵钉座、钉仓和执行机构的吻切部11以及驱动执行机构的驱动装置，所述的驱动装置为电驱动装置，且该电驱动装置由电源1、控制板12以及闭合驱动单元、击发驱动单元共同组成，闭合驱动单元由闭合电机5和闭合传动机构组成，闭合传动机构的输入端与闭合电机5连接，闭合传动机构的输出端与吻切部11的执行机构连接，击发驱动单元由击发电机8和击发传动机构组成，击发传动机构的输入端与击发电机8连接，击发传动机构的输出端与吻切部11的执行机构连接，闭合电机5和击发电机8均通过导线与控制板12连接，控制板12通过导线与电源1连接。这样闭合电机5和击发电机8就共用一套电源，通过电控装置，实现先后顺序动作。
如图1~3所示，闭合传动机构由固定连接在一起的闭合丝杆6和传动杆7组成，且闭合丝杆6和闭合电机5螺纹连接。
如图1~3所示，击发传动机构由固定连接在一起的击发丝杆9和击发传动杆10组成，击发丝杆9与击发电机8螺纹连接。
如图1~3所示，驱动装置上设置有操作手柄，操作手柄上设置有操作按钮和转换开关4，转换开关4通过导线与控制板12连接，操作按钮由安装在控制板12上的前进按钮2和后退按钮3组成。
闭合电机5和击发电机8为微型直流电机或带减速器的微型直流电机。
闭合传动机构和击发传动机构还可以是其它形式的将旋转运动转化为直线运动的传动机构，如齿轮齿条机构、蜗轮蜗杆机构、链轮链条机构和滑轮机构等。
本发明的工作过程如下： 
器械使用前先接通电源1，转换开关4使用前处于断开状态，此时击发电机8处于失电状态，不会启动，首先得电的是闭合电机5，按下手柄上的前进按钮2或后退按钮3闭合电机5启动旋转，通过内置传动机构，推动闭合丝杆6前后移动，由于传动件7与闭合丝杆6连接在一起，同时推动吻切部11上相关执行部件前后移动，实现对生理组织的闭合或打开。
当器械闭合生理组织后，由于闭合丝杆6的移动定位，触发了转换开关4，当按下手动转换开关4后，得电的是击发电机8，闭合电机5处于失电状态，不会启动，使器械吻切部自锁在闭合状态，当需要击发吻切时，只有同时按下前进按钮2 及后退按钮3，击发电机8才会启动，通过内置传动机构，推动击发丝杆9前后移动，由于击发传动杆10与击发丝杆9连接在一起，同时推动吻切部11上相关执行部件前后移动，实现对生理组织的吻合切割。
击发完成后，按下后退按钮3，击发电机8反向转动，退回相关击发执行件。
再次按下转换开关4，击发电机8失电，闭合电机5再次处于得电状态，可以按下后退按钮3，打开闭合机构。
通过使用电动驱动装置，使击发过程更加容易以均匀速度的完成，有利于提高吻合钉的成形质量，同时改善了器械的操作性能，使得有较大行程的击发更加容易实现。
上述对实施例的描述是为了该技术领域的技术人员能理解本发明，熟悉医疗器械行业的技术人员显然可以容易地对这些实施例做出各种修改，并把在此说明的一般原理应用到其他技术方案中，因此本发明不限于上述实施例，本行业技术人员根据本实用新型的揭示，对于本发明做出的改进和修改都在本发明的保护范围之内。

Claims (5)

1.一种外科用电动吻合器，包括具有抵钉座、钉仓和执行机构的吻切部（11）以及驱动执行机构的驱动装置，其特征在于：所述的驱动装置为电驱动装置，且该电驱动装置由电源（1）、控制板（12）以及闭合驱动单元、击发驱动单元共同组成，闭合驱动单元由闭合电机（5）和闭合传动机构组成，闭合传动机构的输入端与闭合电机（5）连接，闭合传动机构的输出端与吻切部（11）的执行机构连接，击发驱动单元由击发电机（8）和击发传动机构组成，击发传动机构的输入端与击发电机（8）连接，击发传动机构的输出端与吻切部（11）的执行机构连接，闭合电机（5）和击发电机（8）均通过导线与控制板（12）连接，控制板（12）通过导线与电源（1）连接。
2.根据权利要求1所述的外科用电动吻合器，其特征在于：所述的闭合传动机构由固定连接在一起的闭合丝杆（6）和传动杆（7）组成，且闭合丝杆（6）和闭合电机（5）螺纹连接。
3.根据权利要求1所述的外科用电动吻合器，其特征在于：所述的击发传动机构由固定连接在一起的击发丝杆（9）和击发传动杆（10）组成，击发丝杆（9）与击发电机（8）螺纹连接。
4.根据权利要求1或2或3所述的外科用电动吻合器，其特征在于：所述的驱动装置上设置有操作手柄，操作手柄上设置有操作按钮和转换开关（4），转换开关（4）通过导线与控制板（12）连接，操作按钮由安装在控制板（12）上的前进按钮（2）和后退按钮（3）组成。
5.根据权利要求1或2或3所述的外科用电动吻合器，其特征在于：所述的闭合电机（5）和击发电机（8）为微型直流电机或带减速器的微型直流电机。
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Application publication date: 20111123