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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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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pawl
teeth
return plate
provided
firing
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CN 201310440235
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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 top to groove structure, the groove at one end is connected to the firing pawl and the other end connected to a back-off pawl; the two-way ratchet provided with forward teeth and rolled back teeth, and in advance both sides of the teeth and back teeth are provided with a left return plate and a right return plate, and left return plate and the right return plate are provided corresponding to the 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 invention not only has the traditional cutting stapler cutter stapler role, but also in the retract time may not need another hand or someone else's assistance, with one hand retraction movement, simple operation, safe and reliable, can reduce the human body the secondary damage.

Description

一种带有单手驱动装置的腔镜直线切割吻合器 Endoscopic linear one kind with a single hand drive cutting stapler

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 with a single hand drive 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] Currently minimally invasive surgical stapler on the market, doctors can not be one-handed operation when the procedure is completed exit, must temporarily abandon the other hand act or rely on other people to push the reset structure to help 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, doctors if abandon the other hand 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 assistants and doctors involved tissues, 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, to provide endoscopic linear one kind with a single hand drive cutting stapler.

[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 with a single hand driving mirror devices for linear cutting stapler, comprising a cutting stapler body, said cutting stapler body also has a one-handed drive means, the single hand drive means comprises a bidirectional ratchet teeth and a trigger; to the top of the trigger is a structure, an end of the recess groove is connected to a firing pawl, the other end is connected to a back-off pawl; the bidirectional ratchet with forward teeth and retract teeth, and are each provided with a left return plate and the right return plate on both sides of the forward gear and reverse gear, and the left return plate and the right return plate are provided corresponding to the positioning pin, and in that the positioning pin is provided with a reset to take on the return run can be left on the dowel to rotate and drive the left return plate and the right return plate alternately repeated up and down movement, and drive backoff pawl and a firing pawl alternately repeated up and down movement, and back withdrawal pawl and a firing pawl are respectively capable of bidirectional ratchet rollback teeth and forward teeth alternately repeated engagement.

[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] The present invention offers not only the firing pawl conventional cutting stapler, and set the backoff detent on the trigger, provided the corresponding backoff teeth on the respective bi-directional ratchet teeth, and on through the bidirectional ratchet left return plate and the right return plate and reset the connection on the left return plate and the right return plate by the positioning pins take synergy achieved backoff pawl and a firing pawl backoff alternately and repeatedly meshing teeth and forward teeth, thereby enabling of the present invention in operation with 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 back-off pawl and a trigger connected to a more stable, provided fallback link bracket fallback upper link bracket further sets a back-off pawl torsion spring and back-off link; backoff pawl by rollback link bracket is connected to 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 the fallback link increased stability structures fallback pawl torsion spring disposed between the back-off pawl and the trigger, providing the force required to roll back the pawl pressing live backoff teeth and rollback pawl return .

[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 firing pawl pressing forward force required for the teeth and a firing pawl for further provided a firing pawl torsion spring, said firing connected pawl torsion spring provided at the firing pawl trigger 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 is also provided with firing safety device two-way 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, only with the thumb to press the Reset run around the rotation that is able to complete the work.

[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] beneficial effects: the invention over the prior art, has the following advantages: The invention not only has the traditional cutting stapler cutter stapler role, but also in the retract time may not need another hand or someone else's help next, with one hand retraction operation, and the removal of the conventional cutting stapler back shank, so that the space occupied by the present invention is smaller, simple, safe and reliable, 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 a single hand driving device.

[0016]图2为本发明整体结构爆炸图。 [0016] FIG. 2 is an overall configuration exploded view 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] where Shu barrel shell, two interlocking blocks, 3 spring, 4 barrel inner core, 5 steering linkage, 6 firing rod sleeve, 7 cocking lever, 8 staple pushing pieces, 9 promote the film positioning block, 1〇 seal hoop, 11 barrel rear seat, 12 a steering lock, the 13 rotary head 14 left housing, 15 two-way ratchet teeth 16 rollback link bracket, 17 rollback link, 18 rollback pawl torsion spring , 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, 30 a rotary head, 31 a right return plate 32 of the left return sheet 33 of the firing pawl torsion spring.

具体实施方式 Detailed ways

[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] Next, in conjunction with the accompanying drawings and specific embodiments, further illustrate the present invention, the present embodiments In order aspect of the present invention is a 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 with a single hand driving mirror devices for linear cutting stapler, comprising a cutter stapler body, wherein: said cutter stapler body also has a one-handed drive means, the single hand drive means comprises a bidirectional ratchet teeth 15 and a trigger 20; to the top of the trigger 20 is a structure, an end of the recess groove is connected to a firing pawl 21, and the other end connected to a back-off pawls 19; the said two-way ratchet with 15 forward teeth and retract the teeth, and the forward both side surfaces of the teeth and the back of the teeth of the left return plate 32 and the right return plate 31 is provided, and the left return plate 32 and the right return plate 31 are provided with corresponding positioning pins, and a reset run 29, the return run 29 capable of rotating around the positioning pin and drive the left of the return plate 32 and the right return plate 31 are alternately repeated up and down movement, and driving on the positioning pin backoff pawl 19 and a firing pawl 21 are alternately repeated up and down movement, and back-off 21 are rolled back teeth and forward teeth bidirectional ratchet teeth 15 of the pawl 19 and a firing pawl alternately repeated engagement.

[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, further including a firing pawl torsion spring 33, the firing pawl torsion spring 33 provided on the firing pawl 21 and the connecting portion of 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 return run 29 of the detachable member, can be provided at the end of the left return plate 32 and the right return plate 31.

[0024] 其中,所述复位冒29上还设有限位块。 [0024] wherein 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 present invention is surgical suture, opened first firing safety device, while the thumb is reset to take the left rotation, the entire structure was placed firing state, i.e. firing forward teeth pawl bidirectional ratchet teeth in engagement, at this time, back-off pawl bis Jiong ratchet fierce backoff tooth is in the disengaged state, with the physician pulling the trigger stapling suturing operation forwardly in synergy various agencies.

[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, is to be retraction, the thumb is reset to take rotation right, the whole mechanism in the fallback state, i.e. fallback fallback tooth pawl bidirectional ratchet teeth in engagement, but forward teeth of the firing pawl bidirectional ratchet is in the disengaged state, at this time when the doctor stapler will gradually reverse the synergistic effect of each mechanism when pulled the trigger, so as to achieve single-handed operation, safe, stable retraction of purposes, thereby reducing the secondary damage to the human body.

Claims (4)

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 A with endoscopic linear single hand drive cutting stapler, comprising a cutter stapler body, wherein: said cutter stapler body also has a one-hand driving device, the single hand drive means comprises a bidirectional 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); the two-way ratchet teeth provided on (15) both sides of the forward teeth and retract the teeth, and the forward gear and reverse gear are provided with a left return plate (32) and a right return plate (31), and the left return plate ( 32) 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 and drives left 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 teeth and forward teeth bidirectional ratchet teeth (15) alternately and repeatedly engaged; further comprising a rollback link bracket (16), the backoff link support (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. 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 having endoscopic linear single hand drive cutting stapler, characterized by: further comprising a firing pawl torsion spring (33), said firing pawl torsion spring (33) provided at connecting portions of the firing pawl (21) and the trigger (20).
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。 According to claim 1 wherein said one with a single hand drive endoscopic linear cutter stapler, wherein: the two-way ratchet (15) also has a firing safety device.
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。 4 according to any preceding claim 1 with a mirror linear single hand drive cutting stapler, wherein: the return run (29) also has a limit block.
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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