CN104887286A - Cutting anastomat and one-stage type triggering mechanism thereof - Google Patents

Cutting anastomat and one-stage type triggering mechanism thereof Download PDF

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Publication number
CN104887286A
CN104887286A CN 201510300136 CN201510300136A CN104887286A CN 104887286 A CN104887286 A CN 104887286A CN 201510300136 CN201510300136 CN 201510300136 CN 201510300136 A CN201510300136 A CN 201510300136A CN 104887286 A CN104887286 A CN 104887286A
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CN
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subassembly
pushing
cutting
elastic
control
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CN 201510300136
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Chinese (zh)
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CN104887286B (en )
Inventor
赵涛
张志勇
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杭州天任生物科技有限公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3209Incision instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214Stapler heads
    • A61B2017/07285Stapler heads characterised by its cutter

Abstract

The invention provides a one-stage type triggering mechanism of a cutting anastomat. The one-stage type triggering mechanism of the cutting anastomat comprises an elastic control subassembly, a pushing subassembly, a resetting subassembly and an attaching and releasing subassembly, wherein one end of the elastic control subassembly is fixed; the other end of the elastic control subassembly is connected to the pushing subassembly; the pushing subassembly is connected with an actuating subassembly which actuates cutting actions and the resetting subassembly and resets through the resetting subassembly; and the attaching and releasing subassembly is attached to the pushing subassembly or released from the pushing subassembly. After the pushing subassembly moves towards the elastic control subassembly to compress the elastic control subassembly, the pushing subassembly is attached to the attaching and releasing subassembly; and when the pushing subassembly is released from the attaching and releasing subassembly, the elastic control subassembly pops up the pushing subassembly. The cutting anastomat and the one-stage type triggering mechanism thereof are simple in structure and high in reliability; potential energy is stored through the elastic control subassembly and is released at one step to push the actuating subassembly to perform cutting actions; and cutting can be finished by triggering once, a surgery process is simplified, and surgical risks are reduced.

Description

切割吻合器的一段式击发机构及切割吻合器 Some type firing mechanism cutting stapler and cutter stapler

技术领域 FIELD

[0001] 本发明涉及医疗器材技术领域,尤其涉及一种切割吻合器的一段式击发机构及切割吻合器。 [0001] The present invention relates to a technical field of medical devices, particularly to a cutting stapler firing mechanism and the one-segment cutting stapler.

背景技术 Background technique

[0002]目前,市面上较多的腔镜下切割吻合器主要以进口品牌强生为主,该产品的击发部件主要由切割手柄、切刀推动块、回位弹簧、连杆卡笋、卡笋回位簧、齿条、大齿轮、小齿轮、切割行程显示器、棘轮等30多个零件组成,其击发方式为:采用手柄杠杆推动切刀推动块前进,由于阻力臂较短,要完成整个切割过程需要连续扳动三次手柄,考虑到医生容易忘记切割次数,还设计了切割行程显示器。 [0002] Currently, the market more endoscopic cutting stapler main inlet to the main brands Johnson, firing of the product by the cutting member main handle, push the cutter block, the return spring, the link card shoots, shoots card return spring, a rack, gear, pinion gears, a display cutting stroke, the ratchet more than 30 parts, it is the firing mode: the lever handle of the knife pushing forward the pushing block, since the resistance of the shorter arm, to complete the cut process requires continuous pulling the handle three times, taking into account the doctor is easy to forget the number of cuts, also designed a cutting stroke display. 现有的这种切割吻合器结构复杂,对零件精度要求较高,造成零件配合可靠性降低;且切割过程复杂,医生需要扳动三次手柄才能完成切割,增加了手术时间,也增加了手术风险,增加了伤口愈合时间。 This cutting stapler existing complex structure, high precision of parts, resulting in reduced reliability with parts; and the cutting process is complex, doctors need to flip the handle three times to complete the cutting, increased operative time, also increases the risk of surgery , increasing the wound healing time.

发明内容 SUMMARY

[0003] 本发明目的在于提供一种切割吻合器的一段式击发机构及切割吻合器,该一段式击发机构结构简单,只需要一次击发即可完成切割,可靠性高,简化切割过程,降低手术风险。 [0003] The object of the present invention is to provide a firing mechanism for cutting-segment stapler and cutter stapler, the firing mechanism simple one-segment structure, only one shot to complete cutting, high reliability, simplify the cutting process, reduce surgical risk.

[0004] 为了实现上述目的,本发明提供一种切割吻合器的一段式击发机构,包括弹性控制组件、推动组件、复位组件及挂靠解脱组件,所述弹性控制组件一端固定,另一端连接所述推动组件,所述推动组件用于连接执行切割动作的执行组件,所述推动组件连接所述复位组件,由复位组件对推动组件进行复位,所述挂靠解脱组件用于挂靠或解脱推动组件,所述推动组件朝向弹性控制组件移动压缩弹性控制组件后,推动组件挂靠在挂靠解脱组件上,当推动组件从挂靠解脱组件上解脱,则弹性控制组件将推动组件弹出。 [0004] To achieve the above object, the present invention provides for cutting-segment stapler firing mechanism, the control assembly includes a resilient, push assembly, reset assembly and anchored release assembly, said resilient control assembly having one end fixed and another end connected to the pushing assembly, the connector assembly for advancing the implementation component performs a cutting operation, the pusher assembly is connected to the reset assembly, is reset by a reset push assembly assembly, said release assembly anchored anchored to push or release components, the later pushed toward the elastic component compress the resilient control assembly movement control assembly, push assembly anchored anchored on the release assembly, when released from the push assembly anchored free assembly, the control assembly will push the elastic component popup.

[0005] 进一步地,所述复位组件包括丝杆、设于所述推动组件上且与丝杆配合的开合螺母及用于打开或闭合开合螺母的启闭件,所述弹性控制组件套设于丝杆上,所述弹性控制组件可以沿该丝杆伸缩,所述推动组件套设于所述丝杆上,所述推动组件可以沿该丝杆移动,所述开合螺母套设于所述丝杆上,开合螺母闭合时,转动丝杆可以使开合螺母沿丝杆移动,开合螺母打开时,开合螺母与丝杆分离。 [0005] Further, the reset assembly includes a screw, provided on the pushing assembly and cooperating with the screw nut and the opening and closing member for opening or closing the shutters to open and close the nut, the resilient control sleeve assembly provided on the screw, the elastomeric component can control stretching along the screw, the pushing sleeve assembly disposed on said screw, said screw movement may push the assembly in the opening provided in the sleeve nut on the screw, when the half nut is closed, the opening and closing rotation of the spindle nut can be moved along the lead screw, when the half nut opened, and the half nut screw separated.

[0006] 进一步地,所述复位组件还包括相互配合的蜗轮与蜗杆,转动蜗杆可以带动蜗轮转动,所述蜗轮套设于所述丝杆的一端,转动蜗轮可以带动丝杆转动。 [0006] Furthermore, the assembly further comprises a reset cooperating worm wheel with the worm, the worm can be rotatably driven by rotation of the worm wheel, the worm wheel sleeved on one end of the lead screw, rotation of the worm screw can be driven rotatably.

[0007] 进一步地,所述开合螺母包括左螺母及右螺母,所述丝杆被夹设于该左螺母与右螺母之间,所述左螺母与右螺母相接处设有缺口,所述启闭件设于该缺口处。 [0007] Further, the half nuts include a left and right nut and nut, said screw being sandwiched between the left and right nut and the nut, the nut of the left and right nut engaged with the notch, the He said opening and closing member disposed in the notch.

[0008] 进一步地,所述启闭件上设有开启槽及闭合槽,所述推动组件内设有启闭控制件,所述启闭控制件可分别卡合于所述开启槽及所述闭合槽,当启闭控制件卡合于闭合槽时,所述开合螺母处于闭合状态;当启闭控制件卡合于开启槽时,开合螺母处于打开状态。 [0008] Further, the hoist is provided with grooves open and close the slot member, the pushing assembly equipped with opening and closing control member, said opening and closing control member respectively engaged with the groove and the opening closed grooves, when the opening and closing control member engaged with the groove is closed, said half nuts in a closed state; when opening and closing the control element engages with the opening groove, the half nut is turned.

[0009] 进一步地,所述复位组件为固设于所述推动组件的拉柄。 [0009] Further, the reset assembly is fixed to said push knob assembly.

[0010] 进一步地,还包括横杆,所述弹性控制组件套设于所述横杆上,所述弹性控制组件可以沿该横杆伸缩,所述推动组件套设于所述横杆上,所述推动组件可以沿该横杆移动。 [0010] Furthermore, further comprising a cross bar, said resilient control assembly sleeved on said rail, said resilient control assembly along the rail may be telescopic, the pushing sleeve assembly disposed on said crossbar, the assembly may be moved along the push bar.

[0011] 进一步地,所述推动组件上设有扣合槽,所述推动组件朝向弹性控制组件移动压缩弹性控制组件后该扣合槽挂靠在挂靠解脱组件上。 [0011] Further, the engagement groove is provided on the pushing assembly, the assembly toward the pushing movement of the resilient control means controlling the resilient compression of the assembly in the engagement groove anchored anchored liberation component.

[0012] 进一步地,所述挂靠解脱组件包括挂靠部、连接杆及解脱部,所述挂靠部一端通过弹簧固定,另一端通过连接杆连接解脱部。 [0012] Further, the assembly includes a release anchored anchored portion, the connecting rod and the release portion, said end portion anchored by the spring is fixed, the other end of the connecting rod by release portion.

[0013] 本发明还提供一种切割吻合器,以上任一所述的一段式击发机构。 [0013] The present invention further provides a cutter stapler, the above-segment according to any one of the firing mechanism.

[0014] 与现有技术相比,本技术方案具有以下优点: [0014] Compared with the prior art, the present solution has the following advantages:

[0015] 本发明提供的切割吻合器的一段式击发机构及切割吻合器,结构简单,可靠性高,利用弹性控制组件积蓄弹性势能,然后将积蓄的弹性势能一次释放推动执行切割动作的执行组件进行切割,只需要一次击发即可完成切割动作,大大简化了手术过程,且切割快速,利于伤口恢复,降低了手术风险,降低伤口愈合时间,能够真正体现微创技术,与现有的同类产品有明显进步。 [0015]-segment firing mechanism of the present invention provides a stapler and cutter cutting stapler, simple structure, high reliability, the control assembly by the elastic accumulated elastic energy, and then release the elastic energy accumulated in the first execution of the cutting action performed promote assembly cut, you only need one shot to complete the cutting action, which greatly simplifies the surgical procedure, and cut fast, conducive to wound healing and reduce the risk of surgery, reducing wound healing time, can truly reflect the minimally invasive techniques, and existing similar products and significant progress.

附图说明 BRIEF DESCRIPTION

[0016] 图1是本发明切割吻合器的一实施例处于待切割状态的剖面结构示意图。 [0016] FIG. 1 is a cut stapler of the present invention a schematic cross-sectional structure of the embodiment in a state to be cut.

[0017] 图2是图1的切割吻合器完成切割后的剖面结构示意图。 [0017] FIG. 2 is a schematic cross-sectional structure after dicing cutter stapler FIG. 1 is completed.

[0018] 图3是图2中沿AA线的剖视图,开合螺母处于闭合状态。 [0018] FIG. 3 is a sectional view taken along line AA in FIG., The half nut in the closed state.

[0019] 图4是图3的开合螺母处于打开状态的示意图。 [0019] FIG. 4 is a schematic view of the nut of FIG opening and closing the open state of 3.

[0020] 图5是本发明切割吻合器的另一实施例处于待切割状态的剖面结构示意图。 [0020] FIG. 5 is a schematic cross-sectional structure to be cut in a state of cutting stapler further embodiment of the present invention.

[0021] 图6是图1的切割吻合器完成切割后的剖面结构示意图。 [0021] FIG. 6 is a schematic cross-sectional structure after dicing cutter stapler FIG. 1 is completed.

具体实施方式 detailed description

[0022] 下面结合附图,通过具体实施例,对本发明的技术方案进行清楚、完整的描述。 [0022] below with reference to the accompanying drawings, by way of specific embodiments, the technical solutions of the present invention are clearly and completely described.

[0023] 请参阅图1-4所示,本发明提供一种切割吻合器的一段式击发机构,包括弹性控制组件1、推动组件2、复位组件及挂靠解脱组件3,所述弹性控制组件I 一端固定,另一端连接所述推动组件2,所述推动组件I连接所述复位组件,由复位组件对推动组件2进行复位,所述挂靠解脱组件3用于挂靠或解脱推动组件2,所述推动组件2朝向弹性控制组件I移动压缩弹性控制组件I后,推动组件2挂靠在挂靠解脱组件3上,当挂靠解脱组件3从推动组件2上解脱,则弹性控制组件I将推动组件2弹出。 [0023] Referring to FIG 1-4, the present invention provides for cutting-segment stapler firing mechanism, the control assembly 1 comprises a resilient, push assembly 2, free assembly and anchored reset assembly 3, the resilient control assembly I one end fixed and the other end connected to the pushing assembly 2, the pusher assembly is connected to the reset component I, component 2 to be reset by pushing a reset assembly, said release assembly anchored anchored or 3 for promoting release assembly 2, the after pushing assembly 2 toward the resilient control assembly shift I compress the resilient control assembly I, promote assembly 2 is anchored on the anchored relief assembly 3, when anchored relief assembly 3 is freed from the pushing assembly 2, the elastic control component I will drive assembly 2 eject. 推动组件2复位时,推动组件2挂靠在挂靠解脱组件3上,切割吻合器处于待切割状态。 Reset assembly 2 is pushed, the push assembly 2 anchored anchored relief assembly 3, to be cut in the cutting stapler state. 所述推动组件2用于连接执行切割动作的执行组件4,该执行组件4包括连接推动组件2的推杆41及连接推杆41的切割刀42,所述推动组件2推动推杆41然后推杆41推动切割刀42向前移动完成切割动作。 Then push the pushing assembly connector assembly 2 for performing a cutting operation performed 4, the assembly 4 comprises performing push the slider assembly 2 is connected to the cutting blade 41 and 42 connected to the push rod 41, the pushing member 2 pushes the push rod 41 push rod 41 the cutting blade 42 moves forward to complete the cutting action. 所述复位组件控制推动组件2朝向弹性控制组件I移动从而压缩弹性控制组件I,所述弹性控制组件I被推动组件2压缩后积蓄弹性势能,当推动组件2被解脱后,弹性控制组件I被释放从而反弹推动组件2,推动组件2被快速弹出而推动执行组件4快速完成切割动作,采用该一段式击发机构只需要一次击发即可完成切割,简化了切割过程,极大地缩短了手术时间,从而降低手术风险。 The reset assembly control push assembly 2 moves towards the resilient control assembly I I thus compressing the resilient control assembly, said control assembly I elastomeric assembly is pushed after the second compression elastic potential energy savings, when the push assembly 2 is freed, the resilient control assembly I is released to push the rebound assembly 2, assembly 2 is pushed to push the eject quickly performed quickly cutting action assembly 4, the use of some type firing mechanism of the firing only once to complete the cutting, the cutting process is simplified greatly shorten the operation time, thereby reducing the risk of surgery. 该一段式击发机构结构简单,可靠性高。 The firing mechanism simple one-segment structure, high reliability.

[0024] 所述弹性控制组件I具体为弹簧,结构简单,且被压缩时积蓄弹性势能高且反弹速度快。 [0024] The elastomeric component I is specifically the control spring, simple structure, high elastic energy is accumulated and the rebound velocity and fast when compressed. 所述推动组件2内设有阶梯通孔21,所述弹性控制组件I的一端固定在该阶梯通孔21的阶梯处,即弹性控制组件I部分收容于该阶梯通孔21内。 The pushing assembly 2 equipped with a stepped through-hole 21, the resilient control assembly I step at the end fixed to the stepped through-hole 21, i.e. the resilient control assembly 21 is received in the I portion of the stepped through-hole.

[0025] 所述推动组件2上设有扣合槽23,所述推动组件2朝向弹性控制组件I移动压缩弹性控制组件I后该扣合槽23挂靠在挂靠解脱组件3上。 [0025] The engagement groove 23 is provided to promote the assembly 2, the assembly 2 is pushed toward the elastic movement control assembly I I compress the resilient control assembly after the engagement groove 23 on the anchored anchored relief assembly 3.

[0026] 所述挂靠解脱组件3包括挂靠部31、解脱部32及连接杆33,所述扣合槽23挂靠在该挂靠部31上,所述挂靠部31 —端通过弹簧固定在切割吻合器的壳体上,另一端通过连接杆33连接解脱部32,解脱部32转动时带动挂靠部31转动从而挂靠部31从扣合槽23中移出,所述推动组件2即被解脱。 [0026] The assembly 3 comprises a relief anchored anchored portion 31, relief portion 32 and the connecting rod 33, the engagement groove 23 on the anchored anchored portion 31, the anchored portion 31 - by the end of the spring is fixed cutter stapler on the housing, the other end of the connecting rod 33 is connected by a release portion 32, relief portion 31 is rotated so as to drive the anchored anchored portion 31 removed from the engagement groove 23, i.e., the pushing assembly 2 rotates relief portion 32. 如图1、2所示,所述解脱部32为扳机,往后扣动扳机时,扳机带动连接杆33前移,然后连接杆33带动挂靠部31下移从而挂靠部31从扣合槽23中移出。 1 and 2, the relief portion 32 of the trigger when the trigger is pulled back, trigger bar 33 is connected to drive forward, the connecting rod 33 is then driven downward thus anchored portion 31 anchored portion 31 from the engagement groove 23 removed.

[0027] 请参阅图1-4所示,在一实施例中,所述复位组件包括丝杆5'、设于所述推动组件2上且与丝杆5'配合的开合螺母7及用于打开或闭合开合螺母的启闭件8。 [0027] Please refer to FIGS. 1-4, in one embodiment, the reset assembly includes a screw 5 'is provided on the pushing member 2 and the screw 5' half nut 7 and cooperating with in opening or closing the opening and closing member opening and closing nut 8. 所述弹性控制组件I套设于丝杆5'上,所述弹性控制组件I可以沿该丝杆5'伸缩,所述推动组件2套设于该丝杆5'上,所述推动组件2可以沿该丝杆5'移动从而压缩或释放所述弹性控制组件1所述丝杆5'可以限制推动组件2在水平面上的运动方向,避免推动组件2的运动方向发生偏差而影响切割效果。 I said resilient control assembly sleeved on the screw 5 ', the resilient control assembly along the screw 5 can I' telescopic, the pushing assembly 2 disposed on the screw sleeve 5 ', the pushing assembly 2 can 'move to compress or release the resilient control assembly 5 of the screw 1' can be restricted in a direction of movement of push assembly 2 in a horizontal plane, to avoid affecting the effect of pushing direction of movement of the cutting assembly 2 along the screw 5 is deviated. 所述开合螺母7套设于所述丝杆5'上,开合螺母7闭合时,开合螺母7与丝杆5'接触,转动丝杆5'可以使开合螺母7沿丝杆5'移动,开合螺母7打开时,开合螺母7与丝杆5'分离。 The half nuts 7 sleeved on the screw 5 ', 7 is closed when the half nut, the half nut 7 and screw 5' in contact, rotation of the screw 5 'may be the opening 7 in the nut screw 5 'movement, when the half nut 7 is opened, the opening 7 and the nut screw 5' separation. 所述复位组件还包括相互配合的蜗轮9与蜗杆10,转动蜗杆10可以带动蜗轮9转动,所述蜗轮9套设于所述丝杆5'的一端,转动蜗轮9可以带动丝杆5'转动。 The assembly further comprises a reset cooperating with the worm 10 rotates the worm wheel 9, the worm 10 rotates the worm gear 9 can drive the worm screw 9 is provided on the sleeve 5 'end of the worm gear 9 can drive the rotation of the screw 5' is rotated . 所述蜗杆10连接有手轮(未图示),该手轮从切割吻合器的外壳伸出,通过摇动手轮即可带动蜗杆10转动。 The worm 10 is connected with a hand wheel (not shown), the hand wheel from the cutter stapler housing projects, by shaking the hand wheel 10 can be driven in rotation of the worm. 本实施例中,当开合螺母7处于闭合状态时,通过转动蜗杆10带动蜗轮9转动,蜗轮9转动带动丝杆5'转动,丝杆5'转动带动开合螺母7往后移动,从而带动推动组件2往后移动进而压缩弹性控制组件I以积蓄弹性势能。 Embodiment, when the half nut 7 in the closed state, rotated by the rotation of the worm 10 drives a worm wheel 9 embodiment, the worm wheel 9 is rotated to drive the screw 5 'is rotated, the screw 5' is rotated to drive the half nut 7 is moved backward, so as to drive Further pushing assembly 2 is moved backward so as to compress the resilient control assembly I accumulated elastic potential energy. 本实施例只需要采用较小的力就可以压缩弹性控制组件I,操作更加简单方便。 The present embodiment requires only a smaller force can compress the resilient control assembly I, more simple and convenient operation.

[0028] 具体地,所述开合螺母7包括左螺母71及右螺母72,开合螺母7处于闭合状态时,该左螺母71与右螺母72抵靠在一起,且丝杆5'被夹紧在左螺母71与右螺母72之间,如图3所示;当开合螺母7处于打开状态时该左螺母71与右螺母72分离开,丝杆5'与左螺母71及右螺母72分离开,如图4所示。 [0028] In particular, the half nuts 7 includes a left and right nut 71 nut 72, the nut 7 when the closure is in the closed state, the left and right nut 71 abuts against the nut 72 together, and the screw 5 'is sandwiched tightening the nut 71 between the left and right nut 72, shown in Figure 3; nut 7 when the opening is open to the left and right nut 71 nut 72 is separated from the screw 5 'and the left and right nut 71 nut 72 separated as shown in FIG. 所述推动组件2内设有容置空间24,该容置空间24与阶梯通孔21相通,所述开合螺母7设于该容置空间24内,所述左螺母71与右螺母72分别通过弹簧与推动组件2连接。 2 equipped with the pushing assembly accommodating space 24, the accommodating space 24 communicates with the stepped through hole 21, the half nut 7 disposed in the receiving space 24, the nut 71 of the left and right nuts 72 are pushing spring connection assembly 2. 所述左螺母71与右螺母72相接处设有缺口73,所述启闭件8设于该缺口73处,当朝向开合螺母7方向推动启闭件8时,启闭件8从该缺口73插入将左螺母71与右螺母72分开,从而使开合螺母7打开,当背离开合螺母7方向拉动启闭件8时,启闭件8从左螺母71与右螺母72之间抽出,在弹簧的反作用力下,左螺母71与右螺母72抵靠在一起将丝杆5'夹紧。 The left and right nut 71 nut 72 engaged with the notch 73, the opening and closing member 8 is provided at the notch 73, when the half nut 7 toward the pushing direction of the opening and closing member 8, the opening and closing member 8 from notch 73 is inserted to the left and right nut 71 nut 72 apart, so that the half nut 7 is opened, when the back nut away from the direction 7 between the opening and closing member 72 is pulled 8, the opening and closing member 8 from the left and right nut 71 nut extraction in the reaction force spring, the left and right nut 71 abuts against the nut 72 with the screw 5 'clamped. 所述启闭件8上设有开启槽81及闭合槽82,所述开启槽81设于闭合槽82远离开合螺母7的一侧,所述推动组件2内设有球形的启闭控制件28,该球形的启闭控制件28通过弹簧连接推动组件2。 Opening said opening and closing member is provided with grooves 81 and 82 on the closed grooves 8, the opening groove 81 provided on the closed side of the groove 82 far away from the nuts 7, the pushing assembly 2 equipped with a spherical opening and closing control member 28, the spherical member 28 is connected to control opening and closing assembly 2 is pushed by a spring. 所述启闭控制件28可分别卡合于所述开启槽81及所述闭合槽82。 The opening and closing control member 28 are engaged with the opening groove 81 and the groove 82 is closed. 当启闭控制件28卡合于闭合槽82时,所述开合螺母7处于闭合状态;当朝向开合螺母7推动启闭件8时,启闭控制件28从闭合槽82中退出然后卡合于开启槽81中,此时启闭件8从缺口73处插入开合螺母7将左螺母71与右螺母72分开,开合螺母7处于打开状态。 When the opening and closing control member 28 is engaged with the groove 82 when closed, said half nut 7 in a closed state; when the half nut 7 toward the pushing member shutters 8, opening and closing control member 28 and exits from the card slot 82 is closed bonded to the opening groove 81, the case member 87 to open and close the left and right nut 71 is separated from the nut 72 is inserted into the gap at the half nuts 73, the half nut 7 in the open state. 此时,再扣动解脱部32 (即扳机)时,解脱部32带动连接杆33前移,然后连接杆33带动挂靠部31下移从而挂靠部31从扣合槽23中移出,从而一段式击发机构完成击发实现快速切割。 At this time, then pull the relief portion 32 (i.e. the trigger), release portion 32 drives the connecting rod 33 moves forward, the connecting rod 33 is then driven down anchored portion 31 so that the anchored portion 31 is removed from the engagement groove 23, so that some of formula completion of firing the firing mechanism for fast cutting. 所述启闭件8为压柄,通过压下压柄或扳起压柄即可控制开合螺母7的打开或闭合。 The opening and closing lever member 8 is pressed, or by pressing the cocking lever pressing pressure can be controlled by the half nut lever 7 is opened or closed. 所述启闭件8还具有限制推动组件2移动位置的作用,完成切割时启闭件8挡在切割吻合器的外壳上,此时弹性控制组件I仍然被压缩,使得弹性控制组件I被释放的过程中弹力足以推动推动组件2进而推动执行组件完成切割。 The opening and closing member assembly 8 further includes a limit movement position pushing action, opening and closing member 8 on the cutting block in the housing of the stapling completion cutting, when the resilient control assembly I is still compressed, so that the resilient control assembly is released I sufficient pushing force of the pushing during assembly 2 further promote the implementation of the cutting assembly is completed.

[0029] 本实施例一段式击发机构的具体工作过程为:首先扳起启闭件8,使启闭控制件28卡合于闭合槽82中,此时开合螺母7处于闭合状态,然后转动蜗杆10以使推动组件2往后移动压缩弹性控制组件I至挂靠解脱组件3的挂靠部31挂靠在扣合槽23中,此时为复位组件对推动组件2进行复位,即完成一段式击发机构的击发准备动作,切割吻合器处于待切割状态,如图1所示。 Specific working process [0029] Example-segment firing mechanism of the present embodiment is: firstly hoist cocking member 8, to open and close the control member 28 is engaged with the groove 82 is closed, in which case the half nut 7 in the closed state, and then rotated worm screw 10 to the pushing assembly 2 is moved backward to compress the resilient control assembly I affiliated affiliated relief portion 31 of the assembly 3 anchored in the engagement groove 23, in this case for pushing the reset component assembly 2 is reset, the firing mechanism is completed a period of formula firing preparation operation, cutting stapler is in a state to be cut, as shown in FIG. 当需要进行切割操作时,先压下压柄,使启闭控制件28卡合于开启槽81,此时开合螺母7处于打开状态,丝杆5'与开合螺母7分离,再扣动解脱部32,则挂靠部31从扣合槽23中移出,弹性控制组件I将推动组件2快速推出,进而推动执行组件4完成切割动作,如图2所不。 When the cutting operation is required, the first pressing of the push lever, to open and close the control member 28 engages with the opening groove 81, then the half nut 7 is turned, the screw 5 'and the separation of the half nut 7, and then pulled relief portion 32, the anchored portion 31 is removed from the engagement groove 23, the resilient control assembly I will promote the rapid introduction assembly 2, thus promoting completion of the cutting operation execution component 4, are not shown in FIG 2.

[0030] 请参阅图5及图6所示,在另一实施例中,所述复位组件为固设于所述推动组件2的拉柄6。 [0030] Please refer to FIGS. 5 and 6, in another embodiment, the reset assembly is fixed to the knob 6 push assembly 2. 往后拉动拉柄6即可带动推动组件2往后移动从而压缩弹性控制组件1,当推动组件2移动到扣合槽23正对挂靠部31时,挂靠部31即伸入扣合槽23内,从而推动组件2抵靠在挂靠解脱组件3的挂靠部31。 Pull back the knob 6 can be driven by push assembly 2 is moved backward so as to compress the resilient control assembly 1, when the assembly 2 is moved to push the engagement groove 23 when the anchored portion 31 is on, i.e., anchored portion 31 projects into the engagement groove 23 , thus promoting the release assembly 2 against the anchored portion 313 is anchored component. 本实施例中,只需要拉动拉柄6即可压缩弹性控制组件I积蓄能量,操作非常方便,如图5所示,一段式击发机构处于待切割状态。 In this embodiment, only needs to pull the knob 6 can compress the elastic energy accumulated I component control, the operation is very convenient, as shown in Figure 5, the firing mechanism is in one-segment to be cut state.

[0031] 本实施例中,所述一段式击发机构还包括横杆5,所述弹性控制组件I套设于该横杆5上,所述弹性控制组件I可以沿该横杆5伸缩,所述推动组件2套设于该横杆5上,所述推动组件2可以沿该横杆5移动从而压缩或释放所述弹性控制组件I。 [0031] In this embodiment, the firing mechanism further comprises a one-segment bar 5, the control assembly I elastomeric sleeve disposed on the cross bar 5, the resilient control assembly along the crossbar 5 I can stretch, the said push assembly 2 disposed on the sleeve rail 5, the component 2 may be pushed to compress or release the resilient control assembly 5 is moved along the crossbar I. 所述横杆5可以限制推动组件2在水平面上的运动方向,避免推动组件2的运动方向发生偏差而影响切割效果。 The push bar assembly 5 can be limited in the direction of movement 2 of the horizontal plane, to avoid the effect of pushing the impact direction of movement of the cutting assembly 2 is deviated. 进一步地,所述推动组件2上设有限位块22,所述横杆5设有限位槽52,所述限位块22收容于该限位槽52内并可以沿该限位槽52移动,且限位槽52的两端限制了限位块22的运动位置,进而限制了推动组件2的运动位置。 Further, the stopper 22 provided on the pushing assembly 2, the cross-bar 5 is provided with the stopper grooves 52, the stopper 22 received in the groove 52 and the stopper can move along the limiting slot 52, and both ends of the stopper grooves 52 limits the movement of the position of the stopper block 22, thereby limiting movement of the driven assembly 2 position. 限位块22运动至限位槽52的后端时,推动组件2压缩弹性控制组件I积蓄足够的弹性势能,切割吻合器处于待切割状态,限位块22运动至限位槽52的前端时,推动组件2止位于横杆5上,完成切割,此时弹性控制组件I仍然被压缩,使得弹性控制组件I被释放的过程中弹力足以推动推动组件2进而推动执行组件完成切割。 When stopper 22 is moved to the rear end of the stopper grooves 52, the push assembly 2 compressing the resilient control assembly charged with a sufficient elastic energy I, cutting stapler is in a state to be cut, when the stopper 22 is moved to the front end of the stopper groove 52 , promoting the process of assembly 2 is located on the locking bar 5, the cutting is completed at this time the resilient control assembly I is still compressed, so that the resilient control assembly I is released the pushing force of pushing component sufficient to perform component 2 thus promoting complete the cut.

[0032] 本发明还提供一种切割吻合器,包括上述的一段式击发机构,该一段式击发机构的推动组件2连接执行切割动作的执行组件4,由推动组件2的运动控制执行组件4完成切割动作,该切割吻合器结构简单,可靠性高,操作简单,切割速度快,且只需要一次击发即可完成整个切割手术,大大降低了手术风险,利于伤口尽快恢复。 [0032] The present invention further provides a cutter stapler comprises the above-segment firing mechanism, the components of the push-segment of the firing mechanism 2 connected to perform the cutting action executing component 4, the component 2 by the pushing movement of the control unit 4 performs complete the cutting action of the cutting stapler simple structure, high reliability, easy operation, fast cutting speed, and only need one shot to complete the dissection, greatly reducing the risk of surgery, conducive to wound healing as soon as possible.

[0033] 本发明虽然已以较佳实施例公开如上,但其并不是用来限定本发明,任何本领域技术人员在不脱离本发明的精神和范围内,都可以利用上述揭示的方法和技术内容对本发明技术方案做出可能的变动和修改,因此,凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化及修饰,均属于本发明技术方案的保护范围。 [0033] While the invention has been disclosed in the above preferred embodiments, but not intended to limit the present invention, anyone skilled in the art without departing from the methods and techniques within the spirit and scope of the invention are disclosed above may be utilized SUMMARY made to the technical solution of the present invention is possible variations and modifications, therefore, all without departing from the technical solutions of the present invention, the basis of any simple modification techniques essence of the invention of the above embodiments taken embodiments, equivalents, changes and modifications belong to the present invention scope of the technical solutions.

Claims (10)

  1. 1.一种切割吻合器的一段式击发机构,其特征在于,包括弹性控制组件、推动组件、复位组件及挂靠解脱组件,所述弹性控制组件一端固定,另一端连接所述推动组件,所述推动组件用于连接执行切割动作的执行组件,所述推动组件连接所述复位组件,由复位组件对推动组件进行复位,所述挂靠解脱组件用于挂靠或解脱推动组件,所述推动组件朝向弹性控制组件移动,压缩弹性控制组件后,推动组件挂靠在挂靠解脱组件上,当推动组件从挂靠解脱组件上解脱,则弹性控制组件将推动组件弹出。 A firing mechanism-segment cutting stapler, wherein the control assembly includes a resilient, push assembly, reset assembly and anchored release assembly, said resilient control assembly having one end fixed and another end connected to the pushing assembly, the pushing assembly for performing a cutting operation performed connector assembly, said assembly is connected to the reset push assembly to be reset by a reset push assembly assembly, said release assembly anchored anchored to push or release assembly, the pushing assembly towards the elastic movement control means, the compressed resilient control assembly, push assembly anchored anchored on the release assembly, when released from the push assembly anchored free assembly, the control assembly will push the elastic component popup.
  2. 2.如权利要求1所述的切割吻合器的一段式击发机构,其特征在于,所述复位组件包括丝杆、设于所述推动组件上且与丝杆配合的开合螺母及用于打开或闭合开合螺母的启闭件,所述弹性控制组件套设于丝杆上,所述弹性控制组件可以沿该丝杆伸缩,所述推动组件套设于所述丝杆上,所述推动组件可以沿该丝杆移动,所述开合螺母套设于所述丝杆上,开合螺母闭合时,转动丝杆可以使开合螺母沿丝杆移动,开合螺母打开时,开合螺母与丝杆分离。 2-segment cutting stapler firing mechanism according to claim 1, wherein said reset assembly comprising a screw, is provided on the pushing assembly and cooperating with the screw and nut for opening and closing the opening or closing the opening and closing parts of nuts, the elastic sleeve is provided on the control assembly screw, said control means may be elastic along the telescopic screw, the pushing sleeve assembly disposed on said lead screw, said push when the assembly may move along the lead screw, the half nuts disposed on said screw sleeve, when the half nut is closed, the opening and closing rotation of the spindle nut can be moved along the lead screw, the half nut opened, the half nut separated from the screw.
  3. 3.如权利要求2所述的切割吻合器的一段式击发机构,其特征在于,所述复位组件还包括相互配合的蜗轮与蜗杆,转动蜗杆可以带动蜗轮转动,所述蜗轮套设于所述丝杆的一端,转动蜗轮可以带动丝杆转动。 3. The firing mechanism-segment cutting stapler according to claim 2, wherein said assembly further comprises a reset cooperating worm wheel with the worm, the worm can be rotatably driven by rotation of the worm wheel, the worm wheel provided on said sleeve One end of the screw, rotation of worm drive screw can be rotated.
  4. 4.如权利要求2或3所述的切割吻合器的一段式击发机构,其特征在于,所述开合螺母包括左螺母及右螺母,所述丝杆被夹设于该左螺母与右螺母之间,所述左螺母与右螺母相接处设有缺口,所述启闭件设于该缺口处。 4. The firing mechanism-segment cutting stapler of claim 2 or claim 3, characterized in that said half nuts include a left and right nut and nut, said screw being interposed in the left and right nut and nut between the left and right nut and a nut engaged with the notch, the opening and closing member disposed in the notch.
  5. 5.如权利要求2或3所述的切割吻合器的一段式击发机构,其特征在于,所述启闭件上设有开启槽及闭合槽,所述推动组件内设有启闭控制件,所述启闭控制件可分别卡合于所述开启槽及所述闭合槽,当启闭控制件卡合于闭合槽时,所述开合螺母处于闭合状态;当启闭控制件卡合于开启槽时,开合螺母处于打开状态。 5. The firing mechanism-segment cutting stapler of claim 2 or claim 3, wherein said opening and closing closure and opening groove provided on the groove member, the pushing assembly equipped with opening and closing control member, the opening and closing control member respectively engaged with the groove opening and closing the slot, when the opening and closing control member engaged with the groove is closed, said half nuts in a closed state; when the opening and closing control member engages the open slot, the half nut is turned.
  6. 6.如权利要求1所述的切割吻合器的一段式击发机构,其特征在于,所述复位组件为固设于所述推动组件的拉柄。 6. The firing mechanism-segment cutting stapler according to claim 1, wherein said reset assembly is fixed to said push knob assembly.
  7. 7.如权利要求1所述的切割吻合器的一段式击发机构,其特征在于,还包括横杆,所述弹性控制组件套设于所述横杆上,所述弹性控制组件可以沿该横杆伸缩,所述推动组件套设于所述横杆上,所述推动组件可以沿该横杆移动。 The firing mechanism 7-segment cutting stapler according to claim 1, characterized by further comprising a cross bar, said resilient control assembly sleeved on said rail, said elastomeric assembly can control the cross-direction telescopic rod, the push sleeve assembly disposed on said cross bar, the pushing assembly may be moved along the crossbar.
  8. 8.如权利要求1所述的切割吻合器的一段式击发机构,其特征在于,所述推动组件上设有扣合槽,所述推动组件朝向弹性控制组件移动压缩弹性控制组件后该扣合槽挂靠在挂靠解脱组件上。 8. The firing mechanism-segment cutting stapler according to claim 1, wherein said engagement groove is provided on the pushing assembly, the assembly toward the pushing movement of the resilient control means controlling the resilient compression of the engagement assembly anchored on the relief groove anchored component.
  9. 9.如权利要求1所述的切割吻合器的一段式击发机构,其特征在于,所述挂靠解脱组件包括挂靠部、连接杆及解脱部,所述挂靠部一端通过弹簧固定,另一端通过连接杆连接解脱部。 9. The firing mechanism-segment cutting stapler according to claim 1, wherein said assembly includes a relief anchored anchored portion, the connecting rod and the release portion, said end portion anchored by the spring is fixed, the other end is connected release rod connection portion.
  10. 10.一种切割吻合器,其特征在于,包括权利要求1-9中任一所述的一段式击发机构。 10. A cutting stapler, characterized in that the one-segment a firing mechanism according to any of claims 1-9 comprising a.
CN 201510300136 2015-06-02 2015-06-02 Some type firing mechanism cutting stapler and cutter stapler CN104887286B (en)

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CN105342658A (en) * 2015-11-17 2016-02-24 江苏孜航精密五金有限公司 Disposable anorectal cutting anastomat

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