技术领域technical field
本发明涉及外科手术器械技术领域，特别是涉及一种电动腔镜吻合器及其离合保险装置。The invention relates to the technical field of surgical instruments, in particular to an electric endoscopic stapler and a clutch safety device thereof.
背景技术Background technique
随着医学的发展和产品研发，吻合器已广泛用于胃肠外科、肝胆外科、胸外科、泌尿外科、妇产科等各个领域，成为医生必不可少的工具之一。With the development of medicine and product research and development, staplers have been widely used in various fields such as gastrointestinal surgery, hepatobiliary surgery, thoracic surgery, urology, obstetrics and gynecology, and have become one of the indispensable tools for doctors.
目前的腔镜吻合器主要有两种类型：一种是手动腔镜吻合器，其主要是靠齿条与击发推进片实现切割刀的前进，而后退需要手动拉回。钉仓组件的打开与闭合，靠切割刀上的刀销，推动抵钉座上的斜面来实现抵钉座的打开与闭合。从整个结构上相对简单，但操作复杂，器械在工作时的稳定性不好，击发力大小变化明显，器械传动时的快与慢受手动影响比较大，特别是每个人的握力大小差异较大，容易导致切割刀切割组织时的速度时快时慢，造成被切割的组织面不齐，推钉片的速度也同样存在时快时慢，造成钉型不良等问题，很容易影响手术的最终效果。另一种是电动腔镜吻合器，其包括蓄电池、电路控制系统、电机和传动系统，且由于只有一个电机提供动力，所以要实现吻合器的闭合、打开、击发和左右传动的切换功能，需要配置离合转换装置，但由于现有的离合转换装置，都只是实现机械功能的切换失效，其电气控制开关并没有相应的配合该机械功能失效，容易出现误操作，不利于该电动腔镜吻合器的稳定可靠工作。There are two main types of endoscopic staplers at present: one is a manual endoscopic stapler, which mainly relies on the rack and the firing pusher to realize the advancement of the cutting knife, and the retreat needs to be pulled back manually. The opening and closing of the staple cartridge assembly depends on the knife pin on the cutting knife to push the slope on the abutment seat to realize the opening and closing of the abutment seat. The overall structure is relatively simple, but the operation is complicated. The stability of the instrument is not good when it is working. Large, it is easy to cause the speed of the cutting knife to cut the tissue from time to time, causing the cut tissue surface to be uneven, and the speed of pushing the nail piece also exists from time to time, resulting in poor nail shape and other problems, which can easily affect the operation. final effect. The other is an electric endoscopic stapler, which includes a battery, a circuit control system, a motor, and a transmission system. Since only one motor provides power, it is necessary to realize the closing, opening, firing, and left-right transmission switching functions of the stapler. Equipped with a clutch conversion device, but because the existing clutch conversion device only realizes the switching failure of the mechanical function, its electrical control switch does not correspond to the failure of the mechanical function, and it is prone to misoperation, which is not conducive to the electric endoscopic stapler. stable and reliable work.
为了解决现有电动腔镜吻合器存在的问题，本发明提供了一种新的电动腔镜吻合器的离合保险装置及包括该离合保险装置的电动腔镜吻合器，使整个吻合器在使用过程中更加的安全和可靠。In order to solve the problems existing in the existing electric endoscopic stapler, the present invention provides a new clutch safety device of the electric endoscopic stapler and the electric endoscopic stapler including the clutch safety device, so that the whole stapler can more secure and reliable.
发明内容Contents of the invention
本发明要解决的技术问题是提供一种电动腔镜吻合器的离合保险装置，使其在使用过程中更加的安全、可靠，从而克服现有的腔镜吻合器的不足。The technical problem to be solved by the present invention is to provide a clutch safety device of an electric endoscopic stapler to make it safer and more reliable during use, thereby overcoming the shortcomings of the existing endoscopic stapler.
为解决上述技术问题，本发明提供一种电动腔镜吻合器的离合保险装置，包括离合转换单元、离合驱动单元和离合保险单元，In order to solve the above technical problems, the present invention provides a clutch safety device for an electric endoscopic stapler, which includes a clutch conversion unit, a clutch drive unit and a clutch safety unit,
所述离合转换单元在所述离合驱动单元的作用下实现所述吻合器在击发、闭合、打开状态与左右传动状态之间的离合切换；Under the action of the clutch drive unit, the clutch switching unit realizes the clutch switching of the stapler among the firing, closing, opening states and left and right transmission states;
所述离合保险单元包括保险滑块、导向杆和离合保险电路板，所述保险滑块可滑动的设置在所述导向杆上，且所述保险滑块上部设有两端凸起的导电弹片，所述离合保险电路板靠近所述导电弹片一侧设置有与所述导向杆平行的滑道，所述滑道内设有所述吻合器在击发、闭合、打开状态的保险电接触端和左右传动状态的保险电接触端，所述保险滑块下部设有驱动销轴，所述驱动销轴与所述离合驱动单元连接，并在所述离合驱动单元的带动下实现所述保险滑块沿所述导向杆的滑动，进而实现所述导电弹片与击发、闭合、打开状态的保险电接触端或左右传动状态的保险电接触端的连接，最终实现与所述离合转换单元相对应的所述吻合器的击发、闭合、打开状态保险控制与左右传动状态保险控制之间的离合切换。The clutch safety unit includes a safety slider, a guide rod and a clutch safety circuit board, the safety slider is slidably arranged on the guide rod, and the upper part of the safety slider is provided with conductive shrapnel protruding at both ends The side of the clutch insurance circuit board close to the conductive shrapnel is provided with a slideway parallel to the guide rod, and the slideway is provided with the insurance electrical contact end and The safety electrical contact end of the left and right transmission state, the lower part of the safety slider is provided with a driving pin, and the driving pin is connected with the clutch drive unit, and the safety slider is realized under the drive of the clutch drive unit. Slide along the guide rod, and then realize the connection between the conductive shrapnel and the safety electrical contact end in the firing, closing, and opening state or the safety electrical contact end in the left and right driving state, and finally realize the connection corresponding to the clutch conversion unit. Clutch switching between the safety control of the firing, closing and opening states of the stapler and the safety control of the left and right transmission states.
作为本发明的一种改进，所述滑道内依次设有第一电接触端、第二电接触端和第三电接触端，所述导电弹片与所述第一电接触端和第二电接触端连接时，实现接通所述吻合器的击发、闭合、打开状态的保险控制；所述导电弹片与所述第二电接触端和第三电接触端连接时，实现接通所述吻合器的左右传动状态的保险控制。As an improvement of the present invention, a first electrical contact end, a second electrical contact end and a third electrical contact end are sequentially provided in the slideway, and the conductive elastic piece is in contact with the first electrical contact end and the second electrical contact end. When the terminal is connected, the insurance control of the triggering, closing and opening states of the stapler is realized; when the conductive shrapnel is connected with the second electrical contact terminal and the third electrical contact terminal, the stapler is switched on Insurance control of left and right transmission status.
进一步改进，所述离合保险电路板上设有两个平行设置的所述滑道，所述保险滑块上部设有与所述两个滑道相对应的两个导电弹片。As a further improvement, the clutch safety circuit board is provided with two slideways arranged in parallel, and the upper part of the safety slider is provided with two conductive shrapnels corresponding to the two slideways.
进一步改进，所述离合驱动单元上开设有导引槽，所述驱动销轴伸入所述导引槽并在所述离合驱动单元的驱动下在所述导引槽内移动。As a further improvement, a guide groove is provided on the clutch drive unit, and the drive pin shaft extends into the guide groove and moves in the guide groove driven by the clutch drive unit.
进一步改进，所述导引槽为长圆孔。As a further improvement, the guide groove is an oblong hole.
进一步改进，所述离合驱动单元包括离合限位片和离合控制片，所述离合限位片和离合控制片均包括两个具有夹角的伸出端，所述离合限位片和离合控制片以夹角相反的方式组成Y型结构，所述离合限位片和离合控制片的夹角处通过定位销连接，所述离合限位片的第一伸出端和离合控制片的第一伸出端重合设置且其端部通过连接杆固定连接，所述离合限位片的第二伸出端上开设有所述导引槽，用于控制所述离合保险单元在击发、闭合、打开状态保险控制与左右传动状态保险控制之间的离合切换，所述离合控制片的第二伸出端用于控制所述离合转换单元在击发、闭合、打开状态与左右传动状态之间的离合切换。As a further improvement, the clutch drive unit includes a clutch limiting plate and a clutch control plate, both of which include two protruding ends with an included angle, and the clutch limiting plate and clutch control plate The Y-shaped structure is formed in the opposite way of the included angle, the angle between the clutch limiting plate and the clutch control plate is connected by a positioning pin, the first extending end of the clutch limiting plate and the first extending end of the clutch controlling plate The outlet ends are overlapped, and the ends are fixedly connected by connecting rods. The second extension end of the clutch limiter is provided with the guide groove, which is used to control the clutch safety unit in the firing, closing, and opening states. Clutch switching between the safety control and the left and right transmission state safety control, the second protruding end of the clutch control plate is used to control the clutch switching between the firing, closing, opening state and the left and right transmission state of the clutch conversion unit.
又一种改进，所述离合驱动单元为具有中心定位轴的三个径向伸出杆，其中第一伸出杆控制第二伸出杆和第三伸出杆绕所述中心定位轴转动，所述第二伸出杆为离合控制杆，用于控制所述离合转换单元在击发、闭合、打开状态与左右传动状态之间的离合切换，所述第三伸出杆上开设有所述导引槽，用于控制所述离合保险单元在击发、闭合、打开状态保险控制与左右传动状态保险控制之间的离合切换。In yet another improvement, the clutch drive unit is three radial extension rods with a central positioning axis, wherein the first extension rod controls the rotation of the second extension rod and the third extension rod around the central positioning axis, The second extension rod is a clutch control rod, which is used to control the clutch switch between the firing, closing, opening state and left and right transmission state of the clutch conversion unit. The third extension rod is provided with the guide The guide slot is used to control the clutch switching between the triggering, closing and opening state safety control and the left and right transmission state safety control of the clutch safety unit.
进一步改进，所述离合转换单元包括第一传动齿轮、第二传动齿轮、轴套和连接轴，所述第一传动齿轮和第二传动齿轮分别固定连接在所述轴套的下端和上端，所述轴套可滑动的环套在所述连接轴上；As a further improvement, the clutch conversion unit includes a first transmission gear, a second transmission gear, a shaft sleeve and a connecting shaft, and the first transmission gear and the second transmission gear are fixedly connected to the lower end and the upper end of the shaft sleeve respectively, so The sleeve is slidably sleeved on the connecting shaft;
所述第一传动齿轮用于与电机的驱动齿轮相啮合，所述第二传动齿轮在所述离合驱动单元的作用下可选择性的与所述吻合器的齿条相啮合或与所述吻合器的左右齿轮相啮合。The first transmission gear is used to mesh with the drive gear of the motor, and the second transmission gear can selectively mesh with the rack of the stapler or with the The left and right gears of the gear mesh with each other.
本发明还提供一种电动腔镜吻合器，该电动腔镜吻合器包括如上述的离合保险装置。The present invention also provides an electric endoscopic stapler, which includes the aforementioned clutch safety device.
采用这样的设计后，本发明至少具有以下优点：After adopting such design, the present invention has the following advantages at least:
1、本发明离合保险装置通过设置与离合驱动单元相连接并由其带动的离合保险单元，并且将该离合保险单元控制的所述吻合器在击发、闭合、打开状态与左右传动状态之间的保险控制切换，对应于离合转换单元控制的所述吻合器在击发、闭合、打开状态与左右传动状态之间的机械切换，实现了机械啮合与电气控制的一致性，使该电动腔镜吻合器的工作更加稳定、安全、可靠，同时也降低了使用成本，利于推广。1. The clutch safety device of the present invention is provided with a clutch safety unit connected to and driven by the clutch drive unit, and the anastomotic controlled by the clutch safety unit is in the state of firing, closing, opening, and left and right transmission states. Safety control switching, corresponding to the mechanical switching of the anastomat controlled by the clutch conversion unit between the firing, closing, opening state and the left and right transmission state, realizes the consistency of mechanical engagement and electrical control, and makes the electric endoscopic stapler The work is more stable, safe and reliable, and also reduces the cost of use, which is conducive to promotion.
2、本发明通过将离合驱动单元设置成离合限位片和离合控制片的Y型组合，或具有中心定位轴的三个径向伸出杆，能同时实现离合转换单元与离合保险单元的对应切换，准确可靠。还通过在滑道内依次设置第一电接触端、第二电接触端和第三电接触端，轻松巧妙地实现导电弹片对于两种状态的得电与失电控制，操作简单、运行安全。2. In the present invention, by setting the clutch drive unit as a Y-shaped combination of the clutch limit plate and the clutch control plate, or having three radially protruding rods with a central positioning axis, the correspondence between the clutch conversion unit and the clutch safety unit can be realized at the same time switch, accurate and reliable. Also, by sequentially setting the first electrical contact end, the second electrical contact end and the third electrical contact end in the slideway, it is easy and skillful to realize the power-on and power-off control of the two states of the conductive shrapnel, which is easy to operate and safe to operate.
附图说明Description of drawings
上述仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，以下结合附图与具体实施方式对本发明作进一步的详细说明。The above is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
图1是本发明电动腔镜吻合器的离合保险装置的结构分解示意图。Fig. 1 is an exploded schematic view of the clutch safety device of the electric endoscopic stapler of the present invention.
图2是本发明电动腔镜吻合器的离合保险装置处于左右传动状态的结构示意图。Fig. 2 is a schematic structural diagram of the clutch safety device of the electric endoscopic stapler of the present invention in a state of left and right transmission.
图3是本发明电动腔镜吻合器的离合保险装置处于击发、闭合、打开状态的结构示意图。Fig. 3 is a structural schematic diagram of the clutch safety device of the electric endoscopic stapler in the firing, closing and opening states of the present invention.
图4是本发明中离合限位片与保险滑块之间的联动示意图，其中（b）图为（a）图经过顺时针旋转后的状态图。Fig. 4 is a schematic diagram of the linkage between the clutch limiting plate and the safety slider in the present invention, wherein (b) is a state diagram of (a) after clockwise rotation.
图5是本发明中离合限位片与保险滑块之间的联动示意图，其中（b）图为（a）图经过逆时针旋转后的状态图。Fig. 5 is a schematic diagram of the linkage between the clutch limiter and the safety slider in the present invention, wherein (b) is a state diagram of (a) after counterclockwise rotation.
图6是本发明中导电弹片与第一电接触端和第二电接触端连接时的结构示意图。Fig. 6 is a schematic structural view of the connection between the conductive elastic piece and the first electrical contact end and the second electrical contact end in the present invention.
图7是本发明中导电弹片与第二电接触端和第三电接触端连接时的结构示意图。Fig. 7 is a schematic diagram of the structure when the conductive elastic piece is connected to the second electrical contact end and the third electrical contact end in the present invention.
图8是本发明中离合保险电路板上两条滑道中电接触端的分布示意图。Fig. 8 is a schematic diagram of distribution of electrical contact terminals in two slideways on the clutch safety circuit board in the present invention.
图9是图8中D-D线的截面与导电弹片的接触示意图。FIG. 9 is a schematic diagram of the contact between the cross section of the D-D line in FIG. 8 and the conductive shrapnel.
图10是图8中D-D线的截面与导电弹片的接触示意图。FIG. 10 is a schematic diagram of the contact between the cross section of the D-D line in FIG. 8 and the conductive shrapnel.
具体实施方式Detailed ways
参照附图1至3所示，本发明电动腔镜吻合器的离合保险装置，包括离合转换单元、离合驱动单元和离合保险单元。Referring to accompanying drawings 1 to 3, the clutch safety device of the electric endoscopic stapler of the present invention includes a clutch conversion unit, a clutch drive unit and a clutch safety unit.
本实施例中该离合转换单元包括第一传动齿轮11、第二传动齿轮12、轴套13和连接轴14，该第一传动齿轮11和第二传动齿轮12分别固定连接在该轴套13的下端和上端，该轴套13可滑动的环套在该连接轴14上。该第一传动齿轮11用于始终与电机的驱动齿轮相啮合，该第二传动齿轮12在离合驱动单元的作用下可选择性的与该吻合器的齿条15相啮合或与该吻合器的左右齿轮16相啮合。在该第二传动齿轮12与该吻合器的齿条15相啮合时，该吻合器处于击发、闭合、打开状态，如附图3所示；在该第二传动齿轮12与该吻合器的左右齿轮16相啮合时，该吻合器处于左右传动状态，如附图2所示。则该离合转换单元在离合驱动单元的作用下实现该吻合器在击发、闭合、打开状态与左右传动状态之间的离合切换。In this embodiment, the clutch conversion unit includes a first transmission gear 11, a second transmission gear 12, a shaft sleeve 13 and a connecting shaft 14, and the first transmission gear 11 and the second transmission gear 12 are respectively fixedly connected to the shaft sleeve 13. At the lower end and the upper end, the shaft sleeve 13 is slidably sleeved on the connecting shaft 14 . The first transmission gear 11 is used to mesh with the drive gear of the motor all the time, and the second transmission gear 12 can selectively mesh with the rack 15 of the stapler or with the rack of the stapler under the action of the clutch drive unit. The left and right gears 16 are meshed. When the second transmission gear 12 is meshed with the rack 15 of the stapler, the stapler is in the firing, closed, and open states, as shown in Figure 3; When the gears 16 are meshed, the stapler is in a state of left and right transmission, as shown in Figure 2. Then the clutch conversion unit realizes the clutch switching of the stapler between the firing, closing, opening state and the left and right transmission states under the action of the clutch driving unit.
本实施例中该离合驱动单元包括离合限位片21和离合控制片22。该离合限位片21和离合控制片22均包括两个具有夹角的伸出端。该离合限位片21和离合控制片22以夹角相反的方式组成Y型结构。该离合限位片21和离合控制片22的夹角处通过定位销23连接，该离合限位片21的第一伸出端和离合控制片22的第一伸出端重合设置且其端部通过连接杆24固定连接。该离合限位片21的第二伸出端上开设有该导引槽25，用于控制该离合保险单元的动作。该导引槽25优选长圆孔。该离合控制片22的第二伸出端用于控制该离合转换单元在击发、闭合、打开状态与左右传动状态之间的离合切换。In this embodiment, the clutch driving unit includes a clutch limiting plate 21 and a clutch control plate 22 . Both the clutch limiting plate 21 and the clutch control plate 22 include two protruding ends with an included angle. The clutch limiting plate 21 and the clutch control plate 22 form a Y-shaped structure with opposite angles. The angle between the clutch limiting piece 21 and the clutch control piece 22 is connected by a positioning pin 23, and the first protruding end of the clutch limiting piece 21 and the first protruding end of the clutch control piece 22 are overlapped and set and its ends The connection is fixed via a connecting rod 24 . The second protruding end of the clutch limiting piece 21 is provided with the guide groove 25 for controlling the action of the clutch safety unit. The guide groove 25 is preferably an oblong hole. The second protruding end of the clutch control plate 22 is used to control the clutch switch between the firing, closing, opening states and the left and right transmission states of the clutch conversion unit.
本实施例中该离合保险单元包括保险滑块31、导向杆32和离合保险电路板33。该保险滑块31可滑动的设置在该导向杆32上，且该保险滑块31上部设有两端凸起的导电弹片34，该离合保险电路板33靠近该导电弹片34一侧设置有与该导向杆32平行的滑道，该滑道内设有该吻合器在击发、闭合、打开状态的保险电接触端和左右传动状态的保险电接触端。如附图8至10所示，本实施例中具体包括依次设置的第一电接触端36、第二电接触端37和第三电接触端38。该导电弹片34与该第一电接触端36和第二电接触端37连接时，实现接通该吻合器的击发、闭合、打开状态的保险控制；该导电弹片34与该第二电接触端37和第三电接触端38连接时，实现接通该吻合器的左右传动状态的保险控制。In this embodiment, the clutch safety unit includes a safety slider 31 , a guide rod 32 and a clutch safety circuit board 33 . The safety slider 31 is slidably arranged on the guide rod 32, and the upper part of the safety slider 31 is provided with a conductive shrapnel 34 protruding from both ends, and the side of the clutch safety circuit board 33 near the conductive shrapnel 34 is provided with a The guide rod 32 is parallel to the slideway, and the safety electric contact end of the stapler in the firing, closing and opening state and the safety electric contact end in the left and right transmission state are arranged in the slideway. As shown in FIGS. 8 to 10 , this embodiment specifically includes a first electrical contact end 36 , a second electrical contact end 37 and a third electrical contact end 38 arranged in sequence. When the conductive elastic piece 34 is connected with the first electrical contact end 36 and the second electrical contact end 37, the safety control of the firing, closing and opening states of the stapler is realized; the conductive elastic piece 34 is connected with the second electrical contact end. When 37 is connected with the third electrical contact end 38, it realizes the insurance control of turning on the left and right transmission states of the stapler.
参照附图4至7所示，该保险滑块31下部设有驱动销轴35，该驱动销轴35伸入该离合驱动单元的导引槽25中并在该离合驱动单元的驱动下在该导引槽25内移动，进而带动该保险滑块31沿该导向杆32的滑动，实现该导电弹片34在该滑道内的滑动，最终实现对该吻合器的击发、闭合、打开状态保险控制与左右传动状态保险控制之间的离合切换。Referring to accompanying drawings 4 to 7, the lower part of the safety slider 31 is provided with a drive pin shaft 35, and the drive pin shaft 35 extends into the guide groove 25 of the clutch drive unit and is driven by the clutch drive unit. Move in the guide groove 25, and then drive the safety slider 31 to slide along the guide rod 32, realize the sliding of the conductive shrapnel 34 in the slideway, and finally realize the safety control and safety control of the firing, closing and opening states of the stapler. Clutch switching between left and right transmission status insurance control.
本发明通过该离合驱动单元与离合转换单元和离合保险单元的驱动连接，可同步实现该离合转换单元与离合保险单元的联动，并且该离合转换单元与离合保险单元实现的该吻合器的离合状态相对应，则当该离合转换单元控制该吻合器处于击发、闭合、打开状态时，该离合保险单元实现对该吻合器的击发、闭合、打开状态的保险控制，使左右传动状态的保险控制失电；当该离合转换单元控制该吻合器处于左右传动状态时，该离合保险单元实现对该吻合器的左右传动状态的保险控制，使击发、闭合、打开状态的保险控制失电，从而实现机械切换功能与电气开关切换功能相配合，使该电动腔镜吻合器的工作更加稳定、安全可靠，同时也降低了使用成本。The present invention can synchronously realize the linkage of the clutch conversion unit and the clutch safety unit through the drive connection of the clutch drive unit, the clutch conversion unit and the clutch safety unit, and the clutch state of the anastomat realized by the clutch conversion unit and the clutch safety unit Correspondingly, when the clutch conversion unit controls the stapler to be in the firing, closing, and opening states, the clutch safety unit realizes the safety control of the firing, closing, and opening states of the stapler, so that the safety control of the left and right transmission states fails. Electricity; when the clutch switching unit controls the stapler to be in the left and right transmission state, the clutch safety unit realizes the safety control of the left and right transmission state of the stapler, and makes the safety control of the firing, closing and opening states lose power, thereby realizing mechanical The switching function cooperates with the switching function of the electric switch, which makes the operation of the electric endoscopic stapler more stable, safe and reliable, and also reduces the use cost.
参照附图8所示，该离合保险电路板33上设有两个平行设置的该滑道，该保险滑块31上部设有与该两个滑道相对应的两个导电弹片34，进一步保证了该离合保险装置的运行稳定性、可靠性。Referring to the accompanying drawing 8, the clutch insurance circuit board 33 is provided with two parallel slideways, and the safety slider 31 is provided with two conductive shrapnels 34 corresponding to the two slideways to further ensure The operation stability and reliability of the clutch safety device are guaranteed.
本发明电动腔镜吻合器的离合保险装置的工作原理如下：The working principle of the clutch safety device of the electric endoscopic stapler of the present invention is as follows:
1）由击发、闭合、打开状态向左右传动状态的切换：顺时针旋转离合限位片21的第一伸出端，由于保险滑块31下部的驱动销轴35与离合限位片21的第二伸出端上的长圆孔25配合，当长圆孔25做平面旋转运动时，离合限位片21带动保险滑块31沿着导向杆32向右运动，如附图4所示，保险滑块31上的两个导电弹片34在滑道内滑动，此时由击发、闭合、打开状态的保险控制切换到左右传动状态保险控制。同时，离合控制片22的第二伸出端也顺时针转动，使第二传动齿轮12脱离与齿条15的啮合，切换成与左右齿轮16的啮合，进而实现了齿轮啮合与电气控制的一致性。1) Switching from firing, closing, and opening states to left and right transmission states: Rotate the first extension end of the clutch stopper 21 clockwise, because the driving pin 35 at the lower part of the safety slider 31 and the first extension of the clutch stopper 21 The oblong holes 25 on the two protruding ends cooperate, and when the oblong holes 25 do plane rotation, the clutch stopper 21 drives the safety slider 31 to move rightward along the guide rod 32, as shown in Figure 4, the safety slider Two conductive shrapnels 34 on the 31 slide in the slideway, and now the safety control of the firing, closing and opening state is switched to the left and right transmission state safety control. Simultaneously, the second protruding end of the clutch control plate 22 also rotates clockwise, so that the second transmission gear 12 breaks away from the meshing with the rack 15, and switches to meshing with the left and right gears 16, thereby realizing the consistency of gear meshing and electrical control sex.
2）由左右传动状态切换到击发、闭合、打开状态的切换：逆时针旋转离合限位片21的第一伸出端，则该离合限位片上的长圆孔25也做平面逆时针旋转运动，带动保险滑块31沿着导向杆32向左运动，如附图5所示。保险滑块31上的两个导电滑片34在滑道内滑动，此时由左右传动状态保险控制切换到击发、闭合、打开状态的保险控制。同时，离合控制片22的第二伸出端也逆时针转动，使第二传动齿轮12脱离与左右齿轮16的啮合，切换成与齿条15啮合，进而实现了齿轮啮合与电气控制的一致性。2) Switching from the left and right transmission state to the firing, closing, and opening state: rotate the first protruding end of the clutch limiter 21 counterclockwise, and the oblong hole 25 on the clutch limiter also rotates counterclockwise in a plane, Drive the safety slider 31 to move to the left along the guide rod 32, as shown in FIG. 5 . Two conductive slides 34 on the safety slider 31 slide in the slideway, and now the safety control of the left and right transmission states is switched to the safety control of firing, closing and opening states. Simultaneously, the second protruding end of the clutch control plate 22 also rotates counterclockwise, so that the second transmission gear 12 breaks away from the meshing with the left and right gears 16, and switches to meshing with the rack 15, thereby realizing the consistency of gear meshing and electrical control .
当然，该离合驱动单元还可以采用具有中心定位轴的三个径向伸出杆结构，其中第一伸出杆控制第二伸出杆和第三伸出杆绕该中心定位轴转动，该第二伸出杆为离合控制杆，用于控制该离合转换单元在击发、闭合、打开状态与左右传动状态之间的离合切换，该第三伸出杆上开设有该导引槽，用于控制该离合保险单元动作。即通过旋转该第一伸出杆，该第二伸出杆和第三伸出杆同时转动，则同时带动该离合转换单元和离合保险单元实现该吻合器在击发、闭合、打开状态与左右传动状态之间的机械结构及电气控制的相应切换。Of course, the clutch drive unit can also adopt a structure of three radially extending rods with a central positioning axis, wherein the first extending rod controls the rotation of the second extending rod and the third extending rod around the central positioning axis, and the first extending rod The second protruding rod is a clutch control rod, which is used to control the clutch switch between the firing, closing, opening state and left and right transmission state of the clutch conversion unit. The third protruding rod is provided with the guide groove for controlling The clutch safety unit operates. That is, by rotating the first protruding rod, the second protruding rod and the third protruding rod rotate at the same time, and then simultaneously drive the clutch conversion unit and the clutch safety unit to realize that the stapler is in the firing, closing, opening state and left and right transmission. The mechanical structure between the states and the corresponding switching of the electrical control.
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，本领域技术人员利用上述揭示的技术内容做出些许简单修改、等同变化或修饰，均落在本发明的保护范围内。The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Those skilled in the art make some simple modifications, equivalent changes or modifications using the technical contents disclosed above, all of which fall within the scope of the present invention. within the scope of protection of the invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234484.6ACN107951521B (en) | 2017-11-30 | 2017-11-30 | An electric endoscopic stapler and its clutch safety device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234484.6ACN107951521B (en) | 2017-11-30 | 2017-11-30 | An electric endoscopic stapler and its clutch safety device |
| Publication Number | Publication Date |
|---|---|
| CN107951521A CN107951521A (en) | 2018-04-24 |
| CN107951521Btrue CN107951521B (en) | 2023-08-29 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711234484.6AActiveCN107951521B (en) | 2017-11-30 | 2017-11-30 | An electric endoscopic stapler and its clutch safety device |
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| CN (1) | CN107951521B (en) |
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| TR01 | Transfer of patent right | Effective date of registration:20241106 Address after:No. 22 Chunxing Road, Caohu Street, Suzhou City, Jiangsu Province 215000 Patentee after:PANTHER HEALTHCARE (SUZHOU) TECHNOLOGY Co.,Ltd. Country or region after:China Address before:102200 three floor, 1 floor, 28 torch street, Changping District science and Technology Park, Beijing. Patentee before:B.J. ZH. F. PANTHER MEDICAL EQUIPMENT Co.,Ltd. Country or region before:China | |
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| CP03 | Change of name, title or address | Address after:No. 22 Chunxing Road, Caohu Street, Suzhou City, Jiangsu Province 215000 Patentee after:PANTHER HEALTHCARE (SUZHOU) TECHNOLOGY Co.,Ltd. Country or region after:China Address before:No. 22 Chunxing Road, Caohu Street, Suzhou City, Jiangsu Province 215000 Patentee before:PANTHER HEALTHCARE (SUZHOU) TECHNOLOGY Co.,Ltd. Country or region before:China |