CN104434246B - With one kind of a single hand endoscopic linear cutter stapler drive means - Google Patents

With one kind of a single hand endoscopic linear cutter stapler drive means Download PDF

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Publication number
CN104434246B
CN104434246B CN 201310440235 CN201310440235A CN104434246B CN 104434246 B CN104434246 B CN 104434246B CN 201310440235 CN201310440235 CN 201310440235 CN 201310440235 A CN201310440235 A CN 201310440235A CN 104434246 B CN104434246 B CN 104434246B
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CN 201310440235
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Chinese (zh)
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CN104434246A (en )
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周翊峰
张训栋
陶荷洁
胥炜栋
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无锡德瑞克机械科技有限公司
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Abstract

本发明公开了一种带有单手驱动装置的腔镜直线切割吻合器,包括切割吻合器本体,所述切割吻合器本体内还设有单手驱动装置,该单手驱动装置包括双向棘齿和扳机;所述扳机的顶端为凹槽结构,凹槽的一端连接有击发棘爪,另一端连接有回退棘爪;所述双向棘齿上设有前进齿和回退齿,且在前进齿和后退齿的两侧面分别设有左复位片和右复位片,且左复位片与右复位片上均设有相对应的定位销,并在该定位销上设有复位冒。 The present invention discloses a one hand with one kind of endoscopic linear cutter stapler drive means, comprising a cutting stapler body, said cutting stapler body also has a one-hand driving means, the drive means comprises a bidirectional one hand ratchet teeth and a trigger; the trigger is a top structure connected to an end of the recess groove firing pawl, the other end connected to a back-off pawl; forward teeth and retract with the bidirectional ratchet teeth, and in advance both sides of the teeth and the left back teeth are respectively provided with the return plate and the right return plate, the return plate and the left and right corresponding to the return plate has a positioning pin, and a reset to take on the positioning pin. 本发明不仅具有传统切割吻合器的切割吻合作用,而且在退刀时可以不需要另一只手或者其他人的协助下,单手完成退刀动作,操作简单、安全稳定可靠,可以减少对人体的二次伤害。 The present invention is not a cutting action of a conventional stapling stapler cutter, but also in retracting the other hand may not require the assistance of other people or, retraction with one hand operation, simple, safe and reliable, the human body can be reduced the secondary damage.

Description

一种带有单手驱动装置的腔镜直线切割吻合器 With one kind of a single hand endoscopic linear cutter stapler drive means

技术领域 FIELD

[0001] 本发明涉及一种医用器械,具体地说是一种带有单手驱动装置的腔镜直线切割吻合器。 [0001] The present invention relates to a medical instrument, in particular endoscopic linear one kind of driving device with a single hand cutting stapler.

背景技术 Background technique

[0002] 目前市场上的微创手术吻合器在手术完成退出时医生无法进行单手操作,必须暂时放弃另一只手的动作或依靠其他人来推动复位结构协助完成退刀。 [0002] Minimally invasive surgical staplers are currently on the market can not be a doctor one-handed operation is completed at the time of surgery exit, must temporarily abandon the other hand act or rely on other people to help push the reset structure complete retraction. 在这种情况下就容易出现以下问题: In this case it is prone to the following questions:

[0003] 1、医生若放弃另一只手的动作协助退刀意味着病变组织极易接触其他正常组织, 导致病变; [0003] 1, to abandon the other hand if the doctor's action to assist retraction means that diseased tissue can easily reach out to other normal tissues, resulting in lesions;

[0004] 2、若有其他人帮助,则助手和医生之间用力不当则会牵扯组织,造成二次伤害。 [0004] 2, if other people help, the improper force will be between aides and doctors involved tissue, causing secondary damage.

[0005] 基于上述问题,本发明提供一种带有单手驱动装置的腔镜直线切割吻合器。 [0005] Based on the above problems, the present invention provides one kind of endoscopic linear drive means with a single hand cutting stapler.

发明内容 SUMMARY

[0006] 本发明的目的是针对现有技术存在的不足,提供一种带有单手驱动装置的腔镜直线切割吻合器。 [0006] The object of the present invention is directed to the shortcomings of the prior art, provided with one kind of a single hand endoscopic linear cutter stapler drive means.

[0007] 为实现上述发明目的,本发明采用的技术方案为一种带有单手驱动装置的腔镜直线切割吻合器,包括切割吻合器本体,所述切割吻合器本体内还设有单手驱动装置,该单手驱动装置包括双向棘齿和扳机;所述扳机的顶端为凹槽结构,凹槽的一端连接有击发棘爪, 另一端连接有回退棘爪;所述双向棘齿上设有前进齿和回退齿,且在前进齿和后退齿的两侧面分别设有左复位片和右复位片,且左复位片与右复位片上均设有相对应的定位销,并在该定位销上设有复位冒,所述复位冒能够在定位销上左右旋转并带动左复位片和右复位片反复交替上下运动,并带动回退棘爪和击发棘爪反复交替上下运动,且回退棘爪和击发棘爪分别能够与双向棘齿的回退齿和前进齿反复交替啮合。 [0007] In order to achieve the above object, the present invention adopts the technical solution as a mirror with a single hand driving means linear cutting stapler, stapling comprising a cutter body, said cutter body further has a stapler with one hand drive means, the drive means comprises a bidirectional one hand and the trigger ratchet; a structural top of the trigger, the recess groove is connected to one end of the firing pawl, the other end connected to a back-off pawl; the bidirectional ratchet advance and retract with the teeth of teeth, and the return plate are provided left and right on both sides of the return plate forward and backward gear teeth, and the upper left and right return plate corresponding to the return plate has a positioning pin, and in that positioning pins provided on the risk reset, the reset can be left to take on the dowel to rotate and drive the left and right return plate sheet reset alternately repeated up and down movement, and drive pawl and a firing pawl backoff alternately repeated up and down movement, and back withdrawal detent pawl and firing are capable of two-way ratchet teeth and the rollback forward teeth engaging alternately repeated.

[0008] 本发明中,不仅设有传统的切割吻合器的击发棘爪,并在扳机上设置回退棘爪,而相应的双向棘齿上设置对应的回退齿,并通过双向棘齿上左复位片和右复位片以及通过定位销连接在左复位片和右复位片上的复位冒的协同作用来实现回退棘爪和击发棘爪与回退齿和前进齿的反复交替啮合,从而能够使本发明在操作时只需要一只手就可以实现切割吻合器的进刀和退刀。 [0008] In the present invention, provided not only with a conventional firing pawl cutter stapler, and the pawl is provided on the trigger backoff, the backoff corresponding teeth provided on the respective two-way ratchet and the ratchet teeth via the bidirectional left and right return plate and the reset plate to reset the return plate is connected to the left and right return plate by the positioning pins take to achieve synergy backoff pawl and a firing pawl backoff meshing teeth alternately and repeatedly advance and teeth, it is possible to in operation of the present invention requires only one hand can be realized in the cutting stapler infeed and retract.

[0009] 其中,为了使回退棘爪与扳机连接更加稳定,还设置回退连杆支架,回退连杆支架上还套有回退棘爪扭簧和回退连杆;回退棘爪通过回退连杆支架连接在扳机上。 [0009] wherein, in order to make the connection with the trigger pawl backoff more stable, the link bracket provided backoff, the backoff link bracket has a further set of fallback fallback link and pawl torsion spring; backoff pawl connected by the fallback link bracket on the trigger. 其中回退连杆增加结构的稳定性,回退棘爪扭簧设置在回退棘爪和扳机之间,提供回退棘爪挤压住回退齿和回退棘爪返回时所需的力。 Wherein increased stability fallback link structure, fallback pawl torsion spring disposed between the trigger and the pawl backoff provide force required for pressing the pawl fallback fallback live teeth and a pawl return backoff .

[0010] 其中,为了提供击发棘爪挤压前进齿和击发棘爪进行时所需的力,还设置击发棘爪扭簧,所述击发棘爪扭簧设置在击发棘爪与扳机的相连接部位。 [0010] wherein, in order to provide advance firing pawl pressing force required for the ratchet teeth and firing, firing pawl torsion spring is also provided, connected to said firing pawl torsion spring provided at the firing trigger pawl site.

[0011] 其中,为了增加机构的安全性,双向棘齿上还设有击发保险装置。 [0011] wherein, in order to increase the safety mechanism, the safety device is also provided with firing bidirectional ratchet teeth.

[0012] 其中,为了使本发明单手更加方便的操作,将复位冒设置为可拆卸部件,并将其设置在左复位片和右复位片的最后端。 [0012] wherein, in order to make the present invention more convenient one-handed operation of the reset is set to take the detachable member, and is provided at its rearmost left and right return plate of the return plate. 这样在单手使用时,只需用大拇指按住复位冒左右旋转即能完成工作。 Thus when used with one hand, with the thumb to press the Reset simply take that can rotate around the job done.

[0013] 其中,所述复位冒上还设有限位块。 [0013] wherein, on the return run is also provided with stopper.

[0014]有益效果:本发明与现有技术相比,具有以下有益效果:本发明不仅具有传统切割吻合器的切割吻合作用,而且在退刀时可以不需要另一只手或者其他人的协助下,单手完成退刀动作,并且去除了传统切割吻合器的退刀杆,使本发明所占空间更小,操作简单、安全稳定可靠,可以减少对人体的二次伤害。 [0014] The beneficial effects: Compared with the prior art, has the following advantages: the present invention is not a cutting action of a conventional stapling stapler cutter, but also in retracting the other hand may not require the assistance of other people or next, retraction with one hand operation, and in addition to the conventional stapler cutter arbor back, so that the space occupied by the present invention is smaller, simple, safe and reliable, it can reduce secondary damage to the human body.

附图说明 BRIEF DESCRIPTION

[0015]图1为本发明中单手驱动装置的结构示意图。 [0015] Figure 1 is a structural diagram of the invention's single hand driving means.

[0016]图2为本发明整体结构爆炸图。 [0016] FIG. 2 is an exploded view of an overall configuration of the invention.

[0017]其中,丨枪管外壳,2互锁块,3弹簧,4枪管内芯,5转向连杆,6击发杆套管,7击发杆, 8装钉推进片,9推进片定位块,1〇密封抱箍,11枪管后座,12转向锁,13下旋转头,14左外壳, 15双向棘齿,16回退连杆支架,17回退连杆,18回退棘爪扭簧,19回退棘爪,20扳机,21击发棘爪,22转换弹簧,23右外壳,24装钉保险,25保险杆弹簧,26装钉保险杆,27旋转头密封圈, 28转向支架,29复位帽,30旋转头,31右复位片,32左复位片,33击发棘爪扭簧。 [0017] wherein, Shu barrel housing, interlock block 2, a spring 3, the inner core barrel 4, steering linkage 5, the firing rod sleeve 6, 7 firing bar, staple advancing plate 8, 9 advancing sheet positioning block, 1〇 seal hoop, the barrel rear seat 11, a steering lock 12, the rotary head 13, the left housing 14, two-way ratchet teeth 15, the link bracket 16 backoff, the backoff link 17, the torsion spring pawl 18 fallback , rollback pawl 19, a trigger 20, firing pawl 21, the switching spring 22, the right housing 23, 24 the staple insurance bumper spring 25, the staple bumper 26, the first ring 27 is rotated, the steering bracket 28, 29 reset cap, head 30 is rotated, the return plate 31 and right, left and the return plate 32, the torsion spring 33 of the firing pawl.

具体实施方式 detailed description

[0018]下面结合附图和具体实施例,进一步阐明本发明,本实施例在以本发明技术方案为前提下进行实施,应理解这些实施例仅用于说明本发明而不用于限制本发明的范围。 [0018] conjunction with the accompanying drawings and the following specific examples further illustrate the invention, In the present embodiments of the present invention is a technical premise, it should be understood that these embodiments are illustrative only and the present invention is not intended to limit the present invention. range.

[0019] 如图1和图2所示,一种带有单手驱动装置的腔镜直线切割吻合器,包括切割吻合器本体,其特征在于:所述切割吻合器本体内还设有单手驱动装置,该单手驱动装置包括双向棘齿15和扳机20;所述扳机20的顶端为凹槽结构,凹槽的一端连接有击发棘爪21,另一端连接有回退棘爪19;所述双向棘齿15上设有前进齿和回退齿,且在前进齿和后退齿的两侧面分别设有左复位片32和右复位片31,且左复位片32与右复位片31上均设有相对应的定位销,并在该定位销上设有复位冒29,所述复位冒29能够在定位销上左右旋转并带动左复位片32和右复位片31反复交替上下运动,并带动回退棘爪19和击发棘爪21反复交替上下运动,且回退棘爪19和击发棘爪21分别能够与双向棘齿15的回退齿和前进齿反复交替啮合。 [0019] As shown in FIG. 1 and FIG. 2 A mirror with a single hand driving means linear cutting stapler, comprising a cutter stapler body, wherein: said cutter body further has a stapler with one hand drive means, the drive means comprises a bidirectional one hand ratchet teeth 15 and a trigger 20; to the top of the trigger structure 20 is one end of the recess groove 21 is connected to a firing pawl, the other end is connected to a back-off pawls 19; the said two-way ratchet teeth is provided on the forward 15 and retract gear, the forward and backward side surfaces of the teeth and the teeth of the left and right return plate 32 are respectively provided with the return plate 31, the return plate 32 and the left and the right plate 31 are reset with the corresponding positioning pin 29 and a reset to take, the return run 29 can be rotated in the right and left positioning pins and drive the left and right return plate 32 of the return plate 31 up and down movement is repeated alternately, and the positioning pin on the drive backoff pawl 19 and the pawl 21 are alternately repeated firing and down movement, and back-off teeth 21 are rolled back and forward teeth 15 and the two-way ratchet pawl and a firing pawl 19 engages alternately repeated.

[0020] 其中,还包括回退连杆支架16,所述回退连杆支架16上还套有回退棘爪扭簧18和回退连杆17;所述回退棘爪19通过回退连杆支架16连接在扳机20上。 [0020] wherein, further comprising a rollback link bracket 16, the backoff upper link bracket 16 also sets a back-off pawl 18 and a torsion spring 17 fallback link; pawl 19 by the backoff backoff link bracket 16 is connected on the trigger 20.

[0021]其中,还包括击发棘爪扭簧33,所述击发棘爪扭簧33设置在击发棘爪21与扳机20 的相连接部位。 [0021] wherein the torsion spring 33 further including a firing pawl, the firing pawl of the firing pawl torsion spring 33 is provided with connection portion 21 and the trigger 20.

[0022]其中,所述双向棘齿15上还设有击发保险装置。 [0022] wherein the bidirectional ratchet 15 is further provided with firing safety device.

[0023]其中,所述复位冒29为可拆卸部件,能够设置在左复位片32和右复位片31的最后端。 [0023] wherein, the detachable member 29 is reset to take, can be provided at the end of the left and right return plate 32 of the return plate 31.

[0024] 其中,所述复位冒29上还设有限位块。 [0024] wherein, on the return run 29 is also provided with stopper.

[0025]本发明进行手术缝合时,首先打开击发保险装置,同时用大拇指将复位冒往左旋转,将整个结构置于击发状态,即击发棘爪与双向棘齿的前进齿处于啮合状态,此时回退棘爪与双冋棘凶的回退齿则处于分离状态,随着医生扳动扳机吻合器在各个机构的协同作用下向前进行缝合动作。 [0025] When the surgical suture of the present invention, the firing safety device is first opened, with the thumb while the RESET take left rotation, the entire structure was placed firing state, i.e., forward firing pawl teeth bidirectional ratchet in engagement, at this time, pawl bis Jiong fallback fallback ratchet teeth fierce is in the disengaged state, with the doctor for suturing stapler trigger is pulled forwardly in synergy operation of each mechanism.

[0026]当缝合完成后,要退刀时,使用大拇指将复位冒往右旋转,将整个机构置于回退状态,即回退棘爪与双向棘齿的回退齿处于啮合状态,而击发棘爪与双向棘齿的前进齿则处于分离状态,此时当医生扳动扳机时吻合器在各个机构的协同作用下就会慢慢后退,从而达到单手操作、安全、稳定退刀的目的,进而减少对人体的二次伤害。 [0026] After stapling is completed, the retraction is to be used to reset the run right thumb rotates the entire mechanism in the fallback state, i.e. fallback fallback teeth bidirectional ratchet pawl in engagement, and forward teeth bidirectional ratchet pawl of the firing is in a separated state, then when the doctor will gradually retracted stapling the synergistic effect of each mechanism when the trigger is pulled, so as to achieve single-handed operation, safe, stable retraction of purposes, thereby reducing the secondary damage to the human body.

Claims (4)

  1. 1. 一种带有单手驱动装置的腔镜直线切割吻合器,包括切割吻合器本体,其特征在于: 所述切割吻合器本体内还设有单手驱动装置,该单手驱动装置包括双向棘齿(15)和扳机(2〇);所述扳机(20)的顶端为凹槽结构,凹槽的一端连接有击发棘爪(21),另一端连接有回退棘爪(19);所述双向棘齿(15)上设有前进齿和回退齿,且在前进齿和后退齿的两侧面分别设有左复位片(32)和右复位片(31),且左复位片(32)与右复位片(31)上均设有相对应的定位销,并在该定位销上设有复位冒(29),所述复位冒(29)能够在定位销上左右旋转并带动左复位片(32)和右复位片(31)反复交替上下运动,并带动回退棘爪(19)和击发棘爪(21) 反复交替上下运动,且回退棘爪(19)和击发棘爪(21)分别能够与双向棘齿(15)的回退齿和前进齿反复交替啮合;还包括回退连杆支架(16),所述回退连杆支 An endoscopic linear with a single hand cutting stapler drive means, comprising a cutter stapler body, wherein: said cutter stapler body also has a one-hand driving means, the drive means comprises a bidirectional one hand ratchet teeth (15) and a trigger (2〇); the top of the trigger (20) is a structure, a groove end of the groove is connected to a firing pawl (21), and the other end connected to a back-off pawl (19); provided the bidirectional ratchet teeth (15) side surfaces and forward teeth backoff teeth, and the teeth in the forward and reverse gear are provided with a left return plate (32) and a right return plate (31), the return plate and the left ( 32) on the right of the return plate (31) are provided with corresponding positioning pins, and a reset to take (29) on the positioning pin, the return run (29) capable of rotating around the positioning pin on the left and drive a return plate (32) and a right return plate (31) are alternately repeated up and down movement, and drive pawl backoff (19), and a firing pawl (21) are alternately repeated up and down movement, and back-off pawl (19) and a firing pawl (21) are rolled back and forward teeth tooth bidirectional ratchet (15) engaging alternately repeated; link bracket further comprises a backoff (16), said support link fallback (16)上还套有回退棘爪扭簧(18)和回退连杆(17);所述回退棘爪(19)通过回退连杆支架(I6)连接在扳机(20) 上;所述复位冒(29)为可拆卸部件,能够设置在左复位片(32)和右复位片(31)的最后端。 (16) further sets a back-off pawl torsion spring (18) and retract the connecting rod (17); the backoff pawl (19) is connected to the trigger by a backoff link bracket (I6) (20) on ; the return run (29) is a removable member, it can be provided at the end of the left return plate (32) and a right return plate (31).
  2. 2. 根据权利要求1所述的一种带有单手驱动装置的腔镜直线切割吻合器,其特征在于: 还包括击发棘爪扭簧(33),所述击发棘爪扭簧(33)设置在击发棘爪(21)与扳机(20)的相连接部位。 2. A method according to claim 1 with one hand endoscopic linear cutter stapler drive means, characterized by: further comprising a firing pawl torsion spring (33), said firing pawl torsion spring (33) connecting portions provided at a firing pawl (21) and the trigger (20).
  3. 3. 根据权利要求1所述的一种带有单手驱动装置的腔镜直线切割吻合器,其特征在于: 所述双向棘齿(15)上还设有击发保险装置。 The mirror 1 is provided with one of said drive means of linear single hand cutting stapler, as claimed in claim wherein: said two-way ratchet teeth (15) on the safety device is also provided with firing.
  4. 4. 根据权利要求1所述的一种带有单手驱动装置的腔镜直线切割吻合器,其特征在于: 所述复位冒(29)上还设有限位块。 According to claim 1, wherein one of said one hand with the endoscopic linear cutter stapler drive means, characterized in that: the return run (29) is further provided on the stopper.
CN 201310440235 2013-09-24 2013-09-24 With one kind of a single hand endoscopic linear cutter stapler drive means CN104434246B (en)

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