WO2016184120A1 - 夹片式重复开合止血夹 - Google Patents

夹片式重复开合止血夹 Download PDF

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Publication number
WO2016184120A1
WO2016184120A1 PCT/CN2016/000009 CN2016000009W WO2016184120A1 WO 2016184120 A1 WO2016184120 A1 WO 2016184120A1 CN 2016000009 W CN2016000009 W CN 2016000009W WO 2016184120 A1 WO2016184120 A1 WO 2016184120A1
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WIPO (PCT)
Prior art keywords
clip
outer tube
tail
assembly
push
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PCT/CN2016/000009
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English (en)
French (fr)
Inventor
缪东林
庄亮
杨华东
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江苏唯德康医疗科技有限公司
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Publication of WO2016184120A1 publication Critical patent/WO2016184120A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord

Definitions

  • the utility model relates to a clip type repeated opening and closing hemostatic clip, belonging to the technical field of medical instruments.
  • the clip-type hemostatic clip on the market (for example, the Olympus hemostatic clip) can only be positioned once and cannot be repeated. Once the tissue is clamped, but the new hemostatic clip can only be repositioned in place, the procedure is not efficient and safe.
  • the technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a clip-type repeated opening and closing hemostatic clip, which has the function of continuously repeating opening and closing before properly clamping the patient, and the positioning is accurate, the efficiency is improved, and the reduction is achieved. The risk of surgery.
  • a clip type repeated opening and closing hemostatic clip which comprises:
  • An outer tube assembly wherein the outer tube assembly is provided with a locking step
  • the clip limiting piece being mounted at a head end of the outer tube assembly
  • a clip having two clips, the heads of the clips respectively extending from the corresponding limiting holes on the clip limiting piece, the tail of the clip being received in the outer tube assembly, and the tail portion of the clip is provided with a connecting piece, two The tail ends of the clips are provided with locking wings that can be engaged with the locking steps;
  • the push-pull assembly the head end of the push-pull assembly is provided with a deformable notch pull rod that is fastened with the connecting member; when the push-pull assembly is pulled relative to the outer tube assembly to the tail portion, the two clips are made under the limit of the clip limiting piece The opposing movement causes the clamping to be fixed and the deformable notch puller is disengaged from the connector while the two locking wings are moved back to engage the locking fins on the locking steps of the outer tube assembly, respectively.
  • the outer tube assembly is further provided with a clip holder having two blocking wings; when the push-pull assembly is pulled relative to the outer tube assembly without the tail portion, each blocking wing is located at the corresponding locking wing and outside An area between the tube assemblies for blocking contact between the locking fins and the locking step; when pulling the push-pull assembly relative to the outer tube assembly toward the tail, the blocking wings are disengaged from the area between the corresponding locking fins and the outer tube assembly so that The locking wings are respectively snapped onto the locking steps of the outer tube assembly.
  • an outer tube assembly comprising a sleeve, a connector and a fixing portion, the tail end of the sleeve being detachably connected to the head end of the connector, the tail of the connector being slidably carded Connected to the fixed portion, the push-pull assembly is inserted on the connector, and when the push-pull assembly is pulled relative to the outer tube assembly toward the tail, the push-pull assembly can slide the connector for a distance and then drive the connector to move toward the tail .
  • a fixing portion including a fixing seat, a transition joint, a spring tube and a core rod, the tail portion of the connector being slidably engaged at the head of the fixing seat, the tail portion of the fixing seat Connected to the transition joint, the head of the spring tube is connected to the transition joint, and the tail of the spring tube is connected to the core rod.
  • the tail end of the sleeve is provided with a variable a fixing tooth
  • the connector is provided with a fixing groove
  • the deformable fixing tooth of the sleeve is bent inwardly to be engaged in the fixing groove of the connector, and when the tail portion is pulled relative to the outer tube assembly, the push-pull assembly is pulled
  • the deformable fixed teeth are reduced to a flat state, thereby disengaging the deformable fixed teeth from the fixing groove.
  • the push-pull assembly further has a butt pipe, a cable, a booster tube and a slip ring, the deformable notch pull rod is fixedly connected with the butt pipe, and the butt pipe is fixedly connected with the head of the cable
  • the tail of the cable is fixedly connected with the head of the booster tube
  • the tail of the booster tube is fixedly connected with the slip ring
  • the slip ring is slidably fitted on the outer tube assembly.
  • the connector is a rivet.
  • the clip can be repeatedly opened and closed in the outer tube assembly, thereby enabling the The function of continuously repeating the opening and closing before the patient is properly grasped, the positioning is accurate, the efficiency is improved, and the risk of surgery is reduced.
  • FIG. 1 is a schematic structural view of a clip-type repeat opening and closing hemostatic clip of the present invention
  • Figure 2 is a left side view of Figure 1;
  • Figure 3 is a perspective view of the head portion of the clip-type repeat opening and closing hemostatic clip of the present invention.
  • Figure 4 is a connection exploded view of the deformable notch pull rod and the clip of the present invention.
  • Figure 5 is a perspective view of the sleeve of the present invention.
  • Figure 6 is a schematic view of the head portion of the clip-type repeat opening and closing hemostatic clip of the present invention.
  • FIG. 7 is a state diagram 1 in the use flow of the present invention.
  • Figure 8 is a state diagram 2 in the use flow of the present invention.
  • Figure 9 is a state diagram 3 in the use flow of the present invention.
  • Figure 10 is a state diagram 4 in the use flow of the present invention.
  • Figure 11 is a state diagram 5 in the flow of use of the present invention.
  • a clip-type repeat opening and closing hemostatic clip includes:
  • the outer tube assembly, the outer tube assembly is provided with a locking step 6-1;
  • Clip limiting piece 1 the clip limiting piece 1 is installed at the head end of the outer tube assembly
  • the clip 2 has two clips, and the heads of the clips respectively protrude from the corresponding limiting holes on the clip limiting piece 1.
  • the tail of the clip 2 is accommodated in the outer tube assembly, and the tail of the clip 2 is provided with a connection.
  • the third end of the two clips are provided with locking wings 2-1 that can be engaged with the locking step 6-1;
  • the head end of the push-pull assembly is provided with a deformable notch pull rod 4 which is engaged with the connecting member 3; when the push-pull assembly is pulled relative to the outer tube assembly to the tail portion, the two clips are at the limit of the clip limiting piece 1 Under the action, the opposite movement is performed to fix the clamping, and the deformable notch pull rod 4 is disengaged from the connecting member 3, and the two locking wings 2-1 are moved in the back direction so that the locking wings 2-1 are respectively locked on the locking step of the outer tube assembly. 6-1.
  • the outer tube assembly is further provided with a clip holder 5 having two blocking wings; when the push-pull assembly is not pulled toward the tail tube relative to the outer tube assembly, each blocking wing is located at the phase Corresponding locking wing 2-1 and outer tube a region between the components for blocking contact between the locking fin 2-1 and the locking step 6-1; when pulling the push-pull assembly relative to the outer tube assembly toward the tail, the blocking wing is disengaged from the corresponding locking fin 2-1 and The area between the outer tube assemblies is such that the locking wings 2-1 are respectively snapped onto the locking step 6-1 of the outer tube assembly.
  • the clip holder 5 ensures that the tail locking wings 2-1 of the clip 2 do not hang on the locking step 6-1 until the clip 2 is released, thereby ensuring repeated opening and closing of the clip before release.
  • the outer tube assembly includes a sleeve 6, a connector 8 and a fixed portion, the tail end of the sleeve 6 being detachably coupled to the head end of the connector 8, the tail of the connector 8 being slidably snapped In the fixed portion, the push-pull assembly is inserted on the connector 8, and when the push-pull assembly is pulled relative to the outer tube assembly toward the tail portion, the push-pull assembly can slide the connector 8 for a distance and then drive the connector 8 together. The tail moves.
  • the fixing portion includes a fixing seat 9, a transition joint 10, a spring tube 11 and a core rod 15.
  • the tail portion of the connector 8 is slidably engaged at the head of the fixing seat 9, the tail portion of the fixing seat 9 and the transition The joints 10 are connected, the head of the spring tube 11 is connected to the transition joint 10, and the tail of the spring tube 11 is connected to the core rod 15.
  • the tail end of the sleeve 6 is provided with a deformable fixed tooth 6-2
  • the connector 8 is provided with a fixing groove
  • the deformable fixed tooth 6-2 of the sleeve 6 is bent inwardly to be connected to the connection.
  • the fixing groove of the device 8 when the push-pull assembly is pulled to a certain position with respect to the outer tube assembly toward the tail portion, the deformable fixed tooth 6-2 is restored to a flat state, thereby disengaging the deformable fixed tooth 6-2 from the fixing groove.
  • the push-pull assembly further has a butt joint 7 , a cable 12 , a booster tube 13 and a slip ring 14 .
  • the deformable notch pull rod 4 is fixedly connected with the butt joint 7 , and the butt joint 7 and the head of the cable 12 are fixed.
  • the tail of the cable 12 is fixedly connected to the head of the booster tube 13.
  • the tail of the booster tube 13 is fixedly connected to the slip ring 14, and the slip ring 14 is slidably fitted to the outer tube assembly.
  • the connecting member 8 is a rivet, but is not limited thereto.
  • the slip ring 14 is naturally pushed and pulled, thereby driving the booster tube 13, the cable 12, the butt joint 7, the deformable notch rod 4, the connecting member 3, and the clip 2 to move axially;
  • the clip needs to be released, the slip ring 14 is pulled hard, and the notch of the deformable notch pull rod 4 is deformed under the action of a large axial force, and the connecting member 3 is separated from the deformable notch pull rod 4, and at the same time
  • the clip holder 5 no longer encloses the locking fin 2-1 at the end of the clip 2, so that the locking fin 2-1 is hooked on the locking step 6-1 of the sleeve 6, so that the clip 2 is fixed to the sleeve 6, and the clip 2 is clamped
  • the connector 8 is moved backwards, and the moving process causes the deformable fixed tooth 6-2 to return to the straight position, so that the

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Abstract

一种夹片式重复开合止血夹，它包括：外管组件，外管组件内设置有锁定台阶(6-1)；夹子限位片(1)，夹子限位片(1)安装在外管组件的头端；夹子(2)，夹子(2)具有两个夹片，夹片的头部分别伸出夹子限位片(1)上相对应的限位孔，夹子(2)的尾部容置在外管组件内，夹子(2)的尾部设置有连接件(3)，两个夹片的尾端均设置有可和锁定台阶(6-1)卡接配合的锁定翅(2-1)；推拉组件，推拉组件的头端设置有和连接件(3)扣接配合的可形变缺口拉杆(4)；当向尾部相对于外管组件拉动推拉组件时，两个夹片在夹子限位片(1)的限位作用下做相向运动使夹持固定，并且可形变缺口拉杆(4)与连接件(3)脱离开，同时两个锁定翅(2-1)做背向运动从而使锁定翅(2-1)分别卡在外管组件的锁定台阶(6-1)上。该止血夹具有在正确夹持病患处前不断重复开合的功能，定位准确，效率提高，减少了手术的风险。

Description

夹片式重复开合止血夹 技术领域
本实用新型涉及一种夹片式重复开合止血夹，属于医疗器械技术领域。
背景技术
目前，市场上的夹片式止血夹(例如：奥林巴斯的止血夹)是只能一次定位的，不能重复开合。一旦夹持组织，但是没有到位只能重新放置新的止血夹，这样做手术的效率就不高，也不安全。
发明内容
本实用新型所要解决的技术问题是克服现有技术的缺陷，提供一种夹片式重复开合止血夹，它具有在正确夹持病患处前不断重复开合的功能，定位准确，效率提高，减少了手术的风险。
为了解决上述技术问题，本实用新型的技术方案是：一种夹片式重复开合止血夹，它包括：
外管组件，所述外管组件内设置有锁定台阶；
夹子限位片，所述夹子限位片安装在外管组件的头端；
夹子，所述夹子具有两个夹片，夹片的头部分别伸出夹子限位片上相对应的限位孔，夹子的尾部容置在外管组件内，夹子的尾部设置有连接件，两个夹片的尾端均设置有可和锁定台阶卡接配合的锁定翅；
推拉组件，推拉组件的头端设置有和连接件扣接配合的可形变缺口拉杆；当向尾部相对于外管组件拉动推拉组件时，两个夹片在夹子限位片的限位作用下做相向运动使夹持固定，并且可形变缺口拉杆与连接件脱离开，同时所述的两个锁定翅做背向运动从而使锁定翅分别卡在外管组件的锁定台阶上。
进一步，外管组件上还设置有夹子固定器，所述夹子固定器具有两个阻挡翼；当未向尾部相对于外管组件拉动推拉组件时，每个阻挡翼位于相对应的锁定翅和外管组件之间的区域内以便用于阻挡锁定翅和锁定台阶的接触；当向尾部相对于外管组件拉动推拉组件时，阻挡翼脱离出相对应的锁定翅和外管组件之间的区域以便使锁定翅分别卡在外管组件的锁定台阶上。
进一步提供了一种外管组件的具体结构，外管组件包括套筒、连接器和固定部分，套筒的尾端可分离式地连接在连接器的头端，连接器的尾部可滑动地卡接在固定部分内，所述的推拉组件穿插在连接器上，并且当向尾部相对于外管组件拉动推拉组件时，推拉组件可在连接器内滑动一段距离后再带动连接器一起向尾部移动。
进一步提供了一种固定部分的具体结构，固定部分包括固定座、过渡接头、弹簧管和芯杆，所述连接器的尾部可滑动地卡接在固定座的头部，所述固定座的尾部与过渡接头相连接，所述弹簧管的头部与过渡接头相连接，弹簧管的尾部与芯杆相连接。
进一步提供了一种连接器与套筒之间的可分离式的结构，套筒的尾端设置有可变 形固定齿，所述的连接器上开有固定槽，所述的套筒的可变形固定齿向内弯折卡接在连接器的固定槽内，当向尾部相对于外管组件拉动推拉组件到一定位置时，所述的可变形固定齿还原成平直状态，从而使可变形固定齿脱离出固定槽。
进一步提供了一种推拉组件的具体结构，推拉组件还具有对接管、拉索、助推管和滑环，所述可形变缺口拉杆与对接管固定连接，对接管与拉索的头部固定连接，拉索的尾部与助推管的头部固定连接，助推管的尾部与滑环固定连接，滑环滑配在外管组件上。
进一步，连接件为铆钉。
采用了上述技术方案后，由于在正确夹持病患处之前，两个夹片的尾端的锁定翅没有卡接组套筒的锁定台阶，夹子还可以在外管组件内重复开合，从而使其具备在正确夹持病患处前不断重复开合的功能，定位准确，效率提高，减少了手术的风险。
附图说明
图1为本实用新型的夹片式重复开合止血夹的结构示意图；
图2为图1的左视图；
图3为本实用新型的夹片式重复开合止血夹的头部部分的立体图；
图4为本实用新型的可形变缺口拉杆与夹子的连接爆炸图；
图5为本实用新型的套筒的立体图；
图6为本实用新型的本实用新型的夹片式重复开合止血夹的头部部分的示意图；
图7为本实用新型的使用流程中的状态图一；
图8为本实用新型的使用流程中的状态图二；
图9为本实用新型的使用流程中的状态图三；
图10为本实用新型的使用流程中的状态图四；
图11为本实用新型的使用流程中的状态图五。
具体实施方式
为了使本实用新型的内容更容易被清楚地理解，下面根据具体实施例并结合附图，对本实用新型作进一步详细的说明。
如图1～6所示，一种夹片式重复开合止血夹，它包括：
外管组件，外管组件内设置有锁定台阶6-1；
夹子限位片1，夹子限位片1安装在外管组件的头端；
夹子2，夹子2具有两个夹片，夹片的头部分别伸出夹子限位片1上相对应的限位孔，夹子2的尾部容置在外管组件内，夹子2的尾部设置有连接件3，两个夹片的尾端均设置有可和锁定台阶6-1卡接配合的锁定翅2-1；
推拉组件，推拉组件的头端设置有和连接件3扣接配合的可形变缺口拉杆4；当向尾部相对于外管组件拉动推拉组件时，两个夹片在夹子限位片1的限位作用下做相向运动使夹持固定，并且可形变缺口拉杆4与连接件3脱离开，同时两个锁定翅2-1做背向运动从而使锁定翅2-1分别卡在外管组件的锁定台阶6-1上。
如图1、4所示，外管组件上还设置有夹子固定器5，夹子固定器5具有两个阻挡翼；当未向尾部相对于外管组件拉动推拉组件时，每个阻挡翼位于相对应的锁定翅2-1和外管 组件之间的区域内以便用于阻挡锁定翅2-1和锁定台阶6-1的接触；当向尾部相对于外管组件拉动推拉组件时，阻挡翼脱离出相对应的锁定翅2-1和外管组件之间的区域以便使锁定翅2-1分别卡在外管组件的锁定台阶6-1上。夹子固定器5是在夹子2没有释放前保证夹子2尾部锁定翅2-1不会挂在锁定台阶6-1上，从而保证释放前夹子的重复开合。
如图1所示，外管组件包括套筒6、连接器8和固定部分，套筒6的尾端可分离式地连接在连接器8的头端，连接器8的尾部可滑动地卡接在固定部分内，所述的推拉组件穿插在连接器8上，并且当向尾部相对于外管组件拉动推拉组件时，推拉组件可在连接器8内滑动一段距离后再带动连接器8一起向尾部移动。
如图1所示，固定部分包括固定座9、过渡接头10、弹簧管11和芯杆15，连接器8的尾部可滑动地卡接在固定座9的头部，固定座9的尾部与过渡接头10相连接，弹簧管11的头部与过渡接头10相连接，弹簧管11的尾部与芯杆15相连接。
如图6所示，套筒6的尾端设置有可变形固定齿6-2，连接器8上开有固定槽，套筒6的可变形固定齿6-2向内弯折卡接在连接器8的固定槽内，当向尾部相对于外管组件拉动推拉组件到一定位置时，可变形固定齿6-2还原成平直状态，从而使可变形固定齿6-2脱离出固定槽。
如图1所示，推拉组件还具有对接管7、拉索12、助推管13和滑环14，可形变缺口拉杆4与对接管7固定连接，对接管7与拉索12的头部固定连接，拉索12的尾部与助推管13的头部固定连接，助推管13的尾部与滑环14固定连接，滑环14滑配在外管组件上。
连接件8为铆钉，但不限于此。
本实用新型的工作原理如下：
如图7～11所示，自然力推拉滑环14，从而带动助推管13，拉索12，对接管7，可形变缺口拉杆4，连接件3，夹子2轴向移动；定位病患部位后，已经夹持夹子2，需要释放夹子，用力拉动滑环14，带动可形变缺口拉杆4的缺口在较大轴向力的作用下形变，连接件3与可形变缺口拉杆4分离，同时夹子固定器5不再包住夹子2尾部的锁定翅2-1，从而锁定翅2-1挂钩在套筒6的锁定台阶6-1上，从而夹子2与套筒6固定，并且夹子2夹持固定；可形变缺口拉杆4与连接件3分离的瞬间，向后带动连接器8移动，移动过程使可变形固定齿6-2恢复平直位置，从而夹子2收入套筒6并锁紧后分离。
以上所述的具体实施例，对本实用新型解决的技术问题、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本实用新型的具体实施例而已，并不用于限制本实用新型，凡在本实用新型的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (7)

  1. 一种夹片式重复开合止血夹，其特征在于，它包括：
    外管组件，所述外管组件内设置有锁定台阶(6-1)；
    夹子限位片(1)，所述夹子限位片(1)安装在外管组件的头端；
    夹子(2)，所述夹子(2)具有两个夹片，夹片的头部分别伸出夹子限位片(1)上相对应的限位孔，夹子(2)的尾部容置在外管组件内，夹子(2)的尾部设置有连接件(3)，两个夹片的尾端均设置有可和锁定台阶(6-1)卡接配合的锁定翅(2-1)；
    推拉组件，推拉组件的头端设置有和连接件(3)扣接配合的可形变缺口拉杆(4)；当向尾部相对于外管组件拉动推拉组件时，两个夹片在夹子限位片(1)的限位作用下做相向运动使夹持固定，并且可形变缺口拉杆(4)与连接件(3)脱离开，同时所述的两个锁定翅(2-1)做背向运动从而使锁定翅(2-1)分别卡在外管组件的锁定台阶(6-1)上。
  2. 根据权利要求1所述的夹片式重复开合止血夹，其特征在于：所述的外管组件上还设置有夹子固定器(5)，所述夹子固定器(5)具有两个阻挡翼；当未向尾部相对于外管组件拉动推拉组件时，每个阻挡翼位于相对应的锁定翅(2-1)和外管组件之间的区域内以便用于阻挡锁定翅(2-1)和锁定台阶(6-1)的接触；当向尾部相对于外管组件拉动推拉组件时，阻挡翼脱离出相对应的锁定翅(2-1)和外管组件之间的区域以便使锁定翅(2-1)分别卡在外管组件的锁定台阶(6-1)上。
  3. 根据权利要求1或2所述的夹片式重复开合止血夹，其特征在于：所述的外管组件包括套筒(6)、连接器(8)和固定部分，套筒(6)的尾端可分离式地连接在连接器(8)的头端，连接器(8)的尾部可滑动地卡接在固定部分内，所述的推拉组件穿插在连接器(8)上，并且当向尾部相对于外管组件拉动推拉组件时，推拉组件可在连接器(8)内滑动一段距离后再带动连接器(8)一起向尾部移动。
  4. 根据权利要求3所述的夹片式重复开合止血夹，其特征在于：所述的固定部分包括固定座(9)、过渡接头(10)、弹簧管(11)和芯杆(15)，所述连接器(8)的尾部可滑动地卡接在固定座(9)的头部，所述固定座(9)的尾部与过渡接头(10)相连接，所述弹簧管(11)的头部与过渡接头(10)相连接，弹簧管(11)的尾部与芯杆(15)相连接。
  5. 根据权利要求3所述的夹片式重复开合止血夹，其特征在于：所述的套筒(6)的尾端设置有可变形固定齿(6-2)，所述的连接器(8)上开有固定槽，所述的套筒(6)的可变形固定齿(6-2)向内弯折卡接在连接器(8)的固定槽内，当向尾部相对于外管组件拉动推拉组件到一定位置时，所述的可变形固定齿(6-2)还原成平直状态，从而使可变形固定齿(6-2)脱离出固定槽。
  6. 根据权利要求1或2所述的夹片式重复开合止血夹，其特征在于：所述推拉组件还具有对接管(7)、拉索(12)、助推管(13)和滑环(14)，所述可形变缺口拉杆(4)与对接管(7)固定连接，对接管(7)与拉索(12)的头部固定连接，拉索(12)的尾部与助推管(13)的头部固定连接，助推管(13)的尾部与滑环(14)固定连接，滑环(14)滑配在外管组件上。
  7. 根据权利要求1或2所述的夹片式重复开合止血夹，其特征在于：所述的连接件(3)为铆钉。
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