CN102525588A - Tubular anastomat - Google Patents

Tubular anastomat Download PDF

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Publication number
CN102525588A
CN102525588A CN2012100736302A CN201210073630A CN102525588A CN 102525588 A CN102525588 A CN 102525588A CN 2012100736302 A CN2012100736302 A CN 2012100736302A CN 201210073630 A CN201210073630 A CN 201210073630A CN 102525588 A CN102525588 A CN 102525588A
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CN
China
Prior art keywords
nut
ratchet
outer
provided
inner
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CN2012100736302A
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Chinese (zh)
Inventor
季佐
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广州市实联医疗器械有限公司
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Priority to CN2012100736302A priority Critical patent/CN102525588A/en
Publication of CN102525588A publication Critical patent/CN102525588A/en

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Abstract

The invention discloses a tubular anastomat. The tubular anastomat comprises a lead screw and a regulating mechanism connected with the tail of the lead screw, wherein the regulating mechanism comprises an inner nut, a ratchet wheel, an outer nut and an elastic element. The inner nut is connected with the tail of the lead screw, and the inner nut is provided with annular teeth; the ratchet wheel is sleeved on the inner nut, and the ratchet wheel is provided with ratchets opposite to the annular teeth; the outer nut is sleeved at the tail of the inner nut and fixed with the inner nut, and the outer nut is sleeved on the periphery of the ratchet wheel; and the elastic element is sleeved at the tail of the inner nut and positioned between the inner nut and the ratchet wheel. The pressure borne by tissues required to be sutured is transferred to the regulating mechanism in a mechanical mode, and a user is prompted whether the tissues have already entered a proper engagement position by matching of the annular teeth and the ratchets, so that the tissues can be effectively prevented from being over compacted or over relaxed, and the suturing firmness is ensured.

Description

管型吻合器 Tube type stapler

技术领域 FIELD

[0001] 本发明涉及一种手术用设备,尤其是一种管型吻合器。 [0001] The present invention relates to a surgical apparatus, in particular a tube-type stapler. 背景技术 Background technique

[0002] 各种管型吻合器正被广泛应用于外科手术中,可以减少手术时间,提高手术质量。 [0002] The various tubes stapler is being widely used in surgery, can reduce the operation time and improve the quality of surgery. 例如,管型消化道吻合器常被用于消化道中的食管、胃、十二指肠、小肠、结肠和直肠等端端、端侧及侧侧吻合手术中,特别适用于显露和操作较为困难的部位,使用的范围较为广泛。 For example, the tubular often used for gastrointestinal digestive tract stapler esophagus, stomach, duodenum, small intestine, colon and rectum end to end, side and end to side anastomosis surgery, particularly suitable for exposure and it is difficult to operate location, range more widely used.

[0003] 常见的管型消化道吻合器,其主体包括前部的弯管、中部的击发手柄以及设置在后部手柄上的调节机构,其中弯管内设有与调节机构相连的丝杆,丝杆的端部连接导向轴, 导向轴端部连接延伸出弯管外的抵钉座,弯管头部设有钉仓和环形刀,击发手柄通过弯推杆连接环形刀和推钉片。 [0003] Common gastrointestinal tube type stapler which includes a trap body front portion, a central firing handle and an adjustment mechanism is provided on the rear of the handle, which are equipped with elbow connected to the screw adjustment mechanism, end portion connected to the screw guide shaft, a guide shaft connecting portion extending outside bend anvil, the staple cartridge is provided with a head and elbow annular knife, the firing handle is connected by a curved annular cutter and the push rod to push the staple sheet. 当手术时,旋转调节机构使抵钉座外伸,将待缝合的组织夹持在抵钉座和钉仓之间,然后回调丝杆,使抵钉座与钉仓之间间距减少,直至压紧为止,然后击发手柄,使弯推杆迅速向前推出,推动钉仓内缝合钉穿过组织并抵在抵钉座上,使U型缝合钉变成B形,同时环形刀切除多余的组织部分,完成组织之间的吻合。 When the operator, so that rotation of the anvil adjustment mechanism outwardly extending, tissue to be stapled is clamped between the anvil and the staple cartridge, and then screw the callback, to reduce the pitch between the anvil and the staple cartridge until the pressure up tight, and then firing the handle, so that the rapid introduction of the push rod bent forward, push staples within the staple cartridge through tissue and against the staple against the seat, so that the U-shaped staples into a B-shaped, while the annular excess tissue excision section, complete agreement between the organizations. 完成吻合后,旋转调节机构,使抵钉座外伸,松开已吻合组织,退出管型消化道吻合器。 After completion of the anastomosis, rotational adjustment mechanism, so that the anvil overhanging, release the stapled tissue, gastrointestinal-type tube exit stapler.

[0004] 为了方便操作者了解抵钉座和钉仓之间的间距,丝杆上连接有指针,在管型消化道吻合器上开设指示窗口,标定可击发操作的绿色区域。 [0004] To aid understanding of the spacing between the anvil and the staple cartridge, the screw is connected to a pointer, indicating the window opened on the tubular gastrointestinal stapler, calibration firing the green zone may be operated. 只有当指针进入绿色区域范围内时,才能击发手柄,完成吻合操作;指针在其他区域时,是不能打开击发手柄的。 Only when the pointer enters the range of the green zone, the firing handle to complete the anastomosis procedure; pointer when other regions, the firing handle is not open.

[0005] 目前常见的管型吻合器都是以抵钉座和钉仓之间的最小间隙来缝合组织的,但是不同的组织部位厚薄不一,最小间隙也不是一个固定的数值。 [0005] It is common to all the tube-type stapler minimum gap between the anvil and the staple cartridge for stapling tissue, different parts of varying tissue thickness, the minimum clearance is not a fixed value. 因此在标示可供击发的绿色区域时,也往往会设定一段距离,例如,在指针刚进入绿色区域时,抵钉座和钉仓之间的间隙为2. 5mm,当指针将要离开绿色区域时,抵钉座和钉仓之间的间隙为1mm,这两个位置之间相差1. 5mm。 Therefore, when firing the green area for marking, but also tend to set a distance, e.g., when the pointer has just entered the green zone, the gap between the abutment anvil and the staple cartridge of 2. 5mm, when the pointer is going to leave the green region when the gap between, the anvil and the staple cartridge of 1mm, 1. 5mm difference between the two positions. 为了能更好的缝合组织,只能依靠临床医生的经验和手感,判断是否将组织压紧或是否进入合适的吻合位置,在绿色区域内进行微调。 In order to better suture tissue, clinicians rely on the experience and feel, whether or not pressed or whether the tissue into the appropriate position consistent, fine-tuning within the green zone. 这样的操作过于依赖经验,很容易出现间隙过小使组织受压力过大而造成二次损伤,或者因为间隙过大引起组织渗血,临床使用风险较大,使用效果不稳定。 This operation is too dependent on experience, it is prone to the gap is too small to make tissue by excessive pressure and cause secondary damage, because the gap is too large or cause tissue bleeding, the clinical use of higher risk, using the results of instability.

发明内容 SUMMARY

[0006] 本发明的目的是提供一种管型吻合器,其能够克服现有技术的不足,提高管型吻合器的可靠性,且操作方便。 [0006] The object of the present invention is to provide a tube type stapler, which can overcome the shortcomings of the prior art, to improve the reliability of the stapler tube, and easy to operate.

[0007] 本发明是这样实现的: [0007] The present invention is implemented as follows:

[0008] 一种管型吻合器,其包括有丝杆及与所述丝杆尾部连接的调节机构,所述调节机构包括有: [0008] A tube type stapler, which comprises a screw and a screw adjustment mechanism connected to said tail portion, said adjusting mechanism comprising:

[0009] 内螺母、所述内螺母与所述丝杆的尾部连接,所述内螺母上设有环形齿,所述环形齿的齿面倾斜设置;[0010] 棘轮,所述棘轮套设于所述内螺母上,所述棘轮上设有与所述环形齿相对的棘齿, 所述棘齿的齿面倾斜设置,且其倾斜方向与所述环形齿的倾斜方向相同; [0009] nut, said nut screw and said tail joint, the inner surface of the ring gear provided with teeth, said ring gear is provided on the inclined nut; [0010] ratchet wheel sleeved the nut, the ratchet tooth surface is provided, the ratchet teeth of the ring gear opposite the ratchet disposed within said inclined, direction and inclination direction of the inclined annular tooth identical;

[0011] 外螺母,所述外螺母套设于所述内螺母的尾部,并与所述内螺母固定,且所述外螺母套于所述棘轮的外周; [0011] an outer nut, said nut outer sleeve disposed within the tail portion of the nut, and the nut is fixed, and the outer jacket to an outer periphery of the nut of the ratchet;

[0012] 及弹性件,所述弹性件套设于所述内螺母的尾部,并位于所述内螺母与所述棘轮之间。 [0012] and an elastic member, said elastic member disposed on an end of the inner sleeve of the nut, and between the nut with the ratchet.

[0013] 在所述弹性件的作用下,使所述棘轮上的棘齿与所述内螺母上的环形齿配合但不啮合,在旋动所述外螺母时,带动所述棘轮同步转动,在摩擦力的作用下,通过所述棘齿与所述环形齿的作用,使所述棘轮带动所述内螺母转动,从而带动所述丝杆转动,调整抵钉座和钉仓之间的间隙。 [0013] In the case of the elastic member, so that the ratchet teeth on the ring nut with the internal teeth, but is not engaged with the ratchet on, when rotating the outer nut, the ratchet drive synchronous rotation, under the effect of friction, by the action of the ratchet teeth of the ring gear so that the ratchet drive rotates the inner nut, so as to drive the rotation of the screw, adjust the gap between the anvil and the staple cartridge .

[0014] 当抵钉座和钉仓开始挤压组织时,所述丝杆移动的阻力传递到所述内螺母上,当所述环形齿和所述棘齿之间的摩擦力不足以克该服阻力时,所述棘齿在所述环形齿表面上打滑而产生咔哒声,此时,即使继续旋转外螺母也不能使内螺母转动,此时便可以动作击发手柄,完成切割吻合操作。 [0014] When the anvil and the staple cartridge starts pushing the tissue, resistance to movement of the screw is transmitted to the inner nut, when g is insufficient frictional force between the ring gear and the teeth of the ratchet when the resistance of clothes, said ratchet teeth on said ring gear slip surface rattling noise generated at this time, even if the nut does not allow continued rotation of the outer nut is rotated, the operation is ready to be firing handle, a cutting stapling operation is completed.

[0015] 在其中一个实施例中,所述棘轮的外周设有棘卡槽,所述外螺母的内周设有定位棱,所述棘卡槽与所述定位棱配合。 [0015] In one embodiment, the outer periphery of the ratchet wheel is provided with a ratchet slot, the inner circumference of the outer rib provided with a positioning nut, said ratchet slot mating with the positioning ribs. 将所述外螺母与所述棘轮固定,从而在旋转所述外螺母时,使所述棘轮能够同步转动。 The outer nut and fixed to the ratchet, so that upon rotation of the outer nut, the ratchet can be rotated synchronously.

[0016] 在其中一个实施例中,所述内螺母的尾端设有内卡槽,所述外螺母设有与所述内卡槽配合的卡扣。 [0016] In one embodiment, the trailing end of the card slot is provided with a nut, the nut is provided with outer and inner slots fit the buckle. 将所述内螺母与所述外螺母固定,避免在旋转所述外螺母时,所述外螺母与所述内螺母脱离。 The inner nut and outer nut to prevent rotation of the outer nut, said nut and said nut outer disengaged.

[0017] 在其中一个实施例中,所述内螺母的内周设有与所述丝杆配合的螺纹。 [0017] In one embodiment, the inner circumference of the threaded nut cooperating with the screw. 通过螺纹的配合,将所述内螺母套接于所述丝杆外。 Through the mating threads of the nut socket to said outer screw.

[0018] 在其中一个实施例中,所述丝杆外表面的螺纹为变螺距螺纹,可调节所述丝杆运动的速度。 [0018] In one embodiment, the threaded outer surface for screw variable pitch screw, the screw can adjust the speed of movement.

[0019] 本发明管型吻合器与现有技术相比,具有如下有益效果: [0019] The present invention is the tube-type stapler as compared with the prior art, it has the following advantages:

[0020] 本发明管型吻合器通过机械方式将需要缝合的组织所受的压力传递到所述调节机构处,并通过所述环形齿和所述棘齿的配合,提示使用者组织是否已经进入合适的吻合位置,可以有效避免组织被过于压紧或者过于放松,确保缝合的牢固度;同时,又避免渗血的现象发生,减少人为因素的影响,提高操作的有效性,使用更安全可靠。 [0020] the pressure on the tube of the invention by mechanical means stapling suturing tissue needs to pass the adjustment mechanism at and through the annular mating teeth and the ratchet teeth asks if the user has entered the tissue proper fit position, can effectively avoid tissue is too compacted or too relaxed, to ensure that the suture firmness; at the same time, avoiding bleeding is occurring, reducing the impact of human factors, improve the effectiveness of operations, the use of more safe and reliable. 附图说明 BRIEF DESCRIPTION

[0021] 图1为本发明管型吻合器的结构示意图; [0021] Figure 1 is a schematic view of the invention the tubular structure of the stapler;

[0022] 图2为本发明调节机构的剖视图。 [0022] FIG. 2 is a sectional view of the adjustment mechanism of the present invention.

[0023] 图3为本发明内螺母的结构示意图; [0023] FIG. 3 is a schematic structure of the invention, the nut;

[0024] 图4为本发明棘轮的结构示意图; [0024] FIG. 4 is a schematic configuration of the present invention, the ratchet wheel;

[0025] 图5为本发明内螺母、棘轮及弹性件配合的结构示意图; [0025] FIG. 5 is a schematic structural diagram of the invention, the nut, and an elastic member cooperating ratchet;

[0026] 图6为本发明外螺母的结构示意图。 [0026] FIG. 6 is a schematic configuration of the outer nut of the present invention.

[0027] 附图标记说明: [0027] REFERENCE NUMERALS:

[0028] 弯管10,击发手柄20,手柄30,丝杆11,导向轴12,抵顶座13,钉仓套14,缝合钉15,钉仓16,环形刀17,指示窗18,弯推杆23,推钉片25,内螺母31,环形齿311,螺纹312, 内卡槽313,棘轮32,棘齿321,棘卡槽322,外螺母33,卡扣331,弹性件34,定位棱332。 [0028] elbow 10, the firing handle 20, the handle 30, screw 11, the guide shaft 12, abuts against the seat 13, the cartridge cover 14, staples 15, the staple cartridge 16, the annular knife 17, the indicator window 18, bent push lever 23, push the staple sheet 25, the nut 31, ring gear 311, thread 312, the card slot 313, the ratchet wheel 32, the ratchet 321, the ratchet slot 322, an outer nut 33, snap 331, the elastic member 34, the positioning ribs 332.

具体实施方式 Detailed ways

[0029] 下面结合附图对本发明的实施例进行详细说明: [0029] The following embodiments in conjunction with the accompanying drawings of embodiments of the present invention will be described in detail:

[0030] 如图1所示,本发明管型吻合器,其包括有位于其前部的弯管10、中部的击发手柄20及设于后部手柄30上的调节结构。 [0030] As shown in FIG 1, the tube-type stapler according to the present invention, which comprises a trap which is located in the front portion 10, 20 and the rear handle adjustment mechanism 30 is provided in the middle of the firing handle.

[0031 ] 其中,所述弯管10内设有与所述调节机构连接的丝杆11,所述丝杆11的端部连接有导向轴12,所述丝杆11的尾部与所述调节机构连接,在所述弯管10后部设有指示窗18, 所述指示窗18用于显示所述丝杆11的运动位置。 [0031] wherein, the elbow 10 and equipped with means connected to the adjusting screw 11, the end portion of the screw shaft 11 is connected to the guide 12, the tail portion 11 with the screw adjustment mechanism connection, the indicator window 18 is provided in the rear of the elbow 10, the position indicating window 18 for displaying the movement of the screw 11. 所述导向轴12的端部连接延伸出所述弯管10外的抵顶座13,所述弯管10的头部设有钉仓套14,所述钉仓套14内部设有用于容纳缝合钉15的钉仓16及环形刀17 ;所述击发手柄20通过弯推杆23连接所述环形刀17和推钉片25。 The guide shaft 12 is connected to an end portion extending out of the outer elbow 10 abuts against the seat 13, the elbow 10 is provided with a cartridge head sleeve 14, the staple cartridge inner sleeve 14 is provided for receiving a suture 15 of staple cartridge 16 and annular knife 17; a firing handle 20 by bending the push rod 23 is connected to the annular blade 17 and the staple pushing plate 25.

[0032] 如图2所示,所述调节结构包括有:内螺母31、棘轮32、外螺母33及弹性件34。 [0032] As shown in FIG. 2, the adjusting mechanism comprising: the nut 31, the ratchet wheel 32, the outer nut 33 and the elastic member 34.

[0033] 其中,如图3所示,所述内螺母31与所述丝杆11的尾部连接,所述内螺母31的外周设有环形齿311,所述环形齿311的齿面倾斜设置。 [0033] wherein, as shown in FIG. 3, the nut 31 is connected to an end of the screw 11, the outer periphery of the inner nut 31 is provided with a ring gear 311, the ring gear tooth surface 311 inclined. 为了使所述内螺母31能够与所述丝杆11连接,所述内螺母31的内壁设有与所述丝杆11配合的螺纹,所述内螺母31与所述丝杆11嵌套。 In order to make the nut 31 can be screw 11 is connected to the inner wall of the nut 31 is provided with the screw thread fitting 11, the nut 31 and the screw 11 of the nest. 所述丝杆11上的螺纹312为变螺距螺纹(如图2所示),其中间螺距大,两侧螺距小。 On the screw thread 312 is a variable pitch thread 11 (FIG. 2), wherein the pitch between the large and small pitch on both sides.

[0034] 所述棘轮32套设于所述内螺母31上,如图4所示,所述棘轮32的外周设有与所述环形齿311相对的棘齿321,所述棘齿321的齿面倾斜设置,且所述棘齿321的倾斜方向与所述环形齿311的倾斜方向相同。 [0034] The ratchet sleeve 32 disposed on the inner nut 31, as shown, the outer periphery of the ratchet wheel 32 is provided with a ring gear 311 relative to the ratchet 321, the ratchet teeth 321 4 inclined surface, and the inclination direction of the ratchet teeth 321 inclined in the same direction of the ring gear 311.

[0035] 如图2及图6所示,所述外螺母33套设于所述内螺母31的尾部,并与所述内螺母31固定,且所述外螺母33套于所述棘轮32的外周。 [0035] As shown in FIG. 2 and FIG. 6, the outer nut 33 is sleeved on the tail portion 31 of the inner nut, and the nut 31 is fixed to the inner sleeve and the outer nut 33 on the ratchet 32 periphery. 为避免在旋转所述外螺母33的过程中,所述外螺母33与所述内螺母31脱离,所述内螺母31尾端设有内卡槽313,所述内卡槽313可优选为环形卡槽,所述外螺母33上设有与所述内卡槽313配合的卡扣331,所述卡扣331与所述内卡槽313配合限制所述外螺母33与所述内螺母31发生轴向运动。 In order to avoid during rotation of the outer nut 33, the outer nut 33 and the nut 31 from the nut 31 with the trailing end of the slot 313, the inner annular slot 313 may be preferably slot, the slot 313 is provided with a snap fitting 331 on the outer nut 33, the buckle 331 of the fitting 313 into the card slot of the limiting nut 33 and the outer nut 31 occurs axial movement.

[0036] 所述弹性件34套设于所述内螺母31的尾部,并位于所述内螺母31与所述棘轮32 之间。 The [0036] elastic member 34 is sleeved on the tail portion 31 of the inner nut, and between the nut 31 and the ratchet wheel 32. 在本优选实施例中,所述弹性件34为压缩弹簧,所述弹性件34压紧所述棘轮32,使所述棘轮32的棘齿321与所述内螺母31的环形齿311抵持且不啮合。 In the present preferred embodiment, the elastic member is a compression spring 34, the elastic pressing member 34 of the ratchet 32, the ratchet wheel 321 and ratchet teeth 32 of the ring nut 31 abuts against the tooth 311 and do not engage.

[0037] 另外,为了使所述棘轮32能够与所述外螺母33固定,所述棘轮32的外周设有棘卡槽322,所述外螺母33的内周设有定位棱332,所述棘卡槽322与所述定位棱332配合, 将所述外螺母33与所述棘轮32固定,从而在旋转所述外螺母33时,使所述棘轮32能够同步转动。 [0037] Further, in order to make the ratchet wheel 32 can be fixed to the outer nut 33, the outer periphery of the ratchet wheel 32 is provided with a ratchet slot 322, the outer periphery of the nut 33 is provided with the positioning rib 332, the ratchet slot 322 mating with the positioning ribs 332, the outer nut 33 is fixed to the ratchet wheel 32 so that rotation of the outer nut 33, so that the ratchet 32 ​​can be rotated synchronously.

[0038] 在使用所述环形吻合器时,先逆时针旋转所述外螺母33,由于所述棘齿321和所述环形齿311的作用,所述棘轮32带动内螺母31逆时针转动;所述丝杆11上的螺纹312为变螺距螺纹,可快速移动,推动所述导向轴12外伸,使所述抵钉座13远离所述弯管10外; 此时,可顺利将需要吻合的组织嵌入所述抵钉座13和所述钉仓5之间,对需要缝合的组织进行预处理。 [0038] When using the circular stapler, a first counter-clockwise rotation of the outer nut 33, the action of the ratchet teeth 321 and the ring gear 311, the counterclockwise rotation of the nut 31 within the ratchet drive 32; the said screw thread 11 on the variable pitch thread 312, fast moving, pushing the guide shaft 12 extends outside, the anvil 10 away from the outside of the elbow 13; in this case, can be smoothly requiring anastomosis tissue embedded in the anvil 13 and the staple cartridge 5, the need for suturing tissue pretreatment. [0039] 在需要缝合的组织处理好后,顺时针旋转所述外螺母33,在所述弹性件34的弹力作用下,所述棘轮32仍然抵在所述环形齿311上,通过摩擦力带动所述内螺母31顺时针转动;继续顺时针旋转所述外螺母33,所述抵钉座13朝向所述钉仓16方向移动,所述抵钉座13慢慢开始挤压需要缝合的组织。 [0039] After the stapled tissue handling needed, clockwise rotation of the outer nut 33, the elastic force of the elastic member 34, the ratchet 32 ​​remains in abutment on the ring gear 311, driven by a frictional force the nut 31 is rotated clockwise; Further clockwise rotation of the outer nut 33, the anvil 13 toward the cartridge 16 moving direction, the anvil body 13 gradually starts pressing need stapled tissue. 当需要缝合的组织被挤压到一定程度时,所述丝杆11上的指针进入所述指示窗18中的绿色区域内,表示可以击发所述击发手柄20,但是需要缝合的组织并没有被挤压到位,若此时缝合可能会出现渗血。 When needed the stapled tissue is compressed to a certain extent, the pointer on the screw 11 into the instruction window 18 in the green region, that can fire the firing handle 20, but need not be stapled tissue extrusion place, at this time if the suture bleeding may occur. 继续顺时针转动所述外螺母33,随着需要缝合的组织被挤压的压力越来越大,所述丝杆11移动的阻力也相应增加,当该阻力超过所述棘轮32和所述环形齿311之间的摩擦力时,所述环形齿311和所述棘轮32之间出现打滑现象,继续旋转所述外螺母33也不能使所述内螺母31转动,所述抵钉座13和所述钉仓16之间距离保持不变,需要缝合的组织也处于一个相对安全的挤压压力下,此时可以听到所述棘齿321在所述环形齿311上打滑产生的咔哒声,所述指示窗18中的指针也位于绿色区域内。 Further clockwise rotation of the outer nut 33, as the pressing need for suturing tissue is under increasing pressure, the movement of the screw 11 a corresponding increase in the resistance, when the resistance exceeds the ratchet wheel 32 and the ring frictional force between the teeth 311, the ring gear 311 occurs and the ratchet wheel 32 slipping between, continued rotation of the outer nut 33 can not rotate the nut 31, the anvil 13 and the the distance between said staple cartridge 16 remains unchanged, the stapled tissue is also needed is at a relatively safe pressing pressure, then you can hear the clicking sound of the ratchet teeth 321 on the ring gear 311 of the slip generation, the said indicator window pointer 18 is also located within the green region. 此时,动作所述击发手柄20,所述弯推杆23推动所述环形刀17和所述推钉片25快速移动,推动所述钉仓16内的缝合钉15穿过需要缝合的组织并抵在所述抵钉座13上,使缝合钉15的形状由U型变成B型,同时所述环形刀17切除多余的组织部分,完成组织之间的吻合。 In this case, the operation of the firing handle 20, the push rod 23 pushes the annular curved blade 17 and the staple pushing plate 25 fast moving, pushing the staple within the staple cartridge 1615 and suture through the tissue needs against the anvil 13, the shape of the staple 15 into U-shape by the B-type, while the annular cutter removal of excess tissue portion 17, between the completion of stapling tissue.

[0040] 以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。 [0040] Expression of the above-described embodiments are only several embodiments of the present invention, and detailed description thereof is more specific, but can not therefore be understood as limiting the scope of the present invention. 应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。 It should be noted that those of ordinary skill in the art, without departing from the spirit of the present invention, can make various changes and modifications, which fall within the protection scope of the present invention. 因此,本发明专利的保护范围应以所附权利要求为准。 Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. 一种管型吻合器,其包括有丝杆及与所述丝杆尾部连接的调节机构,其特征在于,所述调节机构包括有:内螺母、所述内螺母与所述丝杆的尾部连接,所述内螺母上设有环形齿,所述环形齿的齿面倾斜设置;棘轮,所述棘轮套设于所述内螺母上,所述棘轮上设有与所述环形齿相对的棘齿,所述棘齿的齿面倾斜设置,且其倾斜方向与所述环形齿的倾斜方向相同;外螺母,所述外螺母套设于所述内螺母的尾部,并与所述内螺母固定,且所述外螺母套于所述棘轮的外周;及弹性件,所述弹性件套设于所述内螺母的尾部,并位于所述内螺母与所述棘轮之间。 A tube-type stapler, which comprises a screw and a screw adjustment mechanism connected to said tail portion, characterized in that said adjusting mechanism includes: nut, said nut and said screw rod tail joint, the inner surface of the ring gear provided with teeth, said ring gear is provided on the inclined nut; a ratchet wheel provided on said inner sleeve nut, the ring gear is provided opposite the ratchet ratchet tooth surface, the ratchet teeth inclined, and the inclination direction of the inclined direction of the ring gear of the same; an outer nut, said nut outer sleeve disposed within the tail portion of the nut, the nut and the inner fixed, and the outer sleeve to the nut outer periphery of the ratchet; and an elastic member, said elastic member disposed on an end of the inner sleeve of the nut, and between the nut with the ratchet.
2.根据权利要求1所述的管型吻合器,其特征在于,所述棘轮的外周设有棘卡槽,所述外螺母的内周设有定位棱,所述棘卡槽与所述定位棱配合。 2. The tube as claimed stapler of claim 1, wherein an outer periphery of the ratchet wheel is provided with a ratchet slot, the inner circumference of the nut is provided with outer positioning rib, the positioning of the ratchet slot with the edge.
3.根据权利要求1所述的管型吻合器,其特征在于,所述内螺母的尾端设有内卡槽,所述外螺母设有与所述内卡槽配合的卡扣。 The tubular stapler according to claim 1, wherein the trailing end of the card slot is provided with a nut, the nut is provided with outer and inner slots fit the buckle.
4.根据权利要求1所述的管型吻合器,其特征在于,所述内螺母的内周设有与所述丝杆配合的螺纹。 The tubular stapler according to claim 1, characterized in that the inner circumference of the threaded nut cooperating with the screw.
5.根据权利要求4所述的管型吻合器,其特征在于,所述丝杆外表面的螺纹为变螺距螺纹。 Tube according to claim 4, wherein the stapler, wherein the outer surface of said screw thread is a variable pitch thread.
CN2012100736302A 2012-03-19 2012-03-19 Tubular anastomat CN102525588A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104116538A (en) * 2014-07-16 2014-10-29 北京中法派尔特医疗设备有限公司 Anastomat with sound prompting function

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB942122A (en) * 1962-09-11 1963-11-20 Mikhail Gueorguievich Akhalaya A surgical instrument
CN101534721A (en) * 2006-09-29 2009-09-16 伊西康内外科公司 Surgical stapling instrument with mechanical mechanism for limiting maximum tissue compression
US20090230170A1 (en) * 2008-03-12 2009-09-17 Tyco Healthcare Group Lp Ratcheting Mechanism for Surgical Stapling Device
CN201719297U (en) * 2010-04-01 2011-01-26 江苏瑞安贝医疗器械有限公司 Thread regulator of tubular anastomat
CN102090908A (en) * 2011-01-20 2011-06-15 常州安克医疗科技有限公司 Anastomat tail regulating mechanism
CN201879763U (en) * 2010-12-21 2011-06-29 南京迈迪欣医疗器械有限公司 Disposable rotary cutting anastomat
CN202537573U (en) * 2012-03-19 2012-11-21 广州市实联医疗器械有限公司 Tube-shaped anastomat

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB942122A (en) * 1962-09-11 1963-11-20 Mikhail Gueorguievich Akhalaya A surgical instrument
CN101534721A (en) * 2006-09-29 2009-09-16 伊西康内外科公司 Surgical stapling instrument with mechanical mechanism for limiting maximum tissue compression
US20090230170A1 (en) * 2008-03-12 2009-09-17 Tyco Healthcare Group Lp Ratcheting Mechanism for Surgical Stapling Device
CN201719297U (en) * 2010-04-01 2011-01-26 江苏瑞安贝医疗器械有限公司 Thread regulator of tubular anastomat
CN201879763U (en) * 2010-12-21 2011-06-29 南京迈迪欣医疗器械有限公司 Disposable rotary cutting anastomat
CN102090908A (en) * 2011-01-20 2011-06-15 常州安克医疗科技有限公司 Anastomat tail regulating mechanism
CN202537573U (en) * 2012-03-19 2012-11-21 广州市实联医疗器械有限公司 Tube-shaped anastomat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104116538A (en) * 2014-07-16 2014-10-29 北京中法派尔特医疗设备有限公司 Anastomat with sound prompting function
CN104116538B (en) * 2014-07-16 2017-10-20 北京派尔特医疗科技股份有限公司 It is a kind of that there is the stapler for showing sound function

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