WO2015139157A1 - 一种免气腹腹腔镜的切口保护装置 - Google Patents

一种免气腹腹腔镜的切口保护装置 Download PDF

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Publication number
WO2015139157A1
WO2015139157A1 PCT/CN2014/000768 CN2014000768W WO2015139157A1 WO 2015139157 A1 WO2015139157 A1 WO 2015139157A1 CN 2014000768 W CN2014000768 W CN 2014000768W WO 2015139157 A1 WO2015139157 A1 WO 2015139157A1
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Prior art keywords
abdominal
sleeve
ring
protection device
thickness
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PCT/CN2014/000768
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English (en)
French (fr)
Inventor
王小军
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江苏蓝域创新技术投资有限公司
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Publication of WO2015139157A1 publication Critical patent/WO2015139157A1/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
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0281—Abdominal wall lifters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
    • A61B2017/3482—Means for supporting the trocar against the body or retaining the trocar inside the body inside
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/50—Supports for surgical instruments, e.g. articulated arms

Definitions

  • the present invention relates to the field of laparoscopic incision protection devices, and more particularly to an insufflation protection device for an airless abdominal laparoscope.
  • Laparoscopic technique can provide the space required for surgical operation by manufacturing co 2 artificial pneumoperitoneum, but due to complications such as hypercapnia, air embolism, and blood stasis due to co 2 pneumoperitoneum, this technique does not exist in tissues and organs. The use of mature children, pregnant women, and elderly patients with underlying diseases is limited.
  • Airless laparoscopic laparoscopic surgery is an important technique in the field of minimally invasive surgery. It uses external mechanical tension to provide operation space for surgery. It does not rely on artificial pneumoperitoneum, which reduces the complications of co 2 pneumoperitoneum and makes it difficult to tolerate minimally invasive surgery. Patients with general anesthesia and pneumoperitoneum-related complications can also receive minimally invasive treatment, broadening the indications for minimally invasive surgery. At present, airless laparoscopic techniques play an extremely important role in abdominal surgery.
  • Chinese patent 201210271562.0 discloses a laparoscopic abdominal wall suspension stent that is free of pneumoperitoneum.
  • the device lifts up the abdominal wall of the incision surgical incision to achieve an airless abdominal laparoscopic surgery.
  • this technique has the following disadvantages: The device needs to be inserted vertically into the abdominal cavity to a certain depth in the state of being disturbed, so that the support arm can be opened in an umbrella shape by the pulling rope, and the space in the abdominal cavity is limited, and the abdominal cavity cannot be directly viewed.
  • the device is blindly inserted into the device and opened up to open the surrounding area to cause damage to the intestine; on the other hand, the device is moved from the disturbing state to the open state of the device by relying on the movement of the pulling rope and preventing backsliding. Due to the minimally invasive reason, the device design requires a small diameter and a height, which causes the displacement of the pulling rope to slide over the fulcrum during the process from the device being gathered to the device opening, and it is easy to have excessive support force due to the abdominal wall. And the elastic material of the pulling rope material causes the device to fail Effectively maintain the ideal shape.
  • an object of the present invention is to provide an airless abdominal laparoscopic incision protecting device which can be conveniently inserted into a surgical incision to suspend the abdominal wall below the surgical incision.
  • the airless abdominal laparoscopic incision protection device of the invention has the advantages of simple structure, intuitive and reliable principle, convenient and safe operation, low manufacturing cost, and can effectively improve the abdominal wall suspension effect of the existing airless abdominal laparoscopic technique, and can expand the airless abdominal laparoscopic surgery.
  • the indications allow more patients who cannot tolerate pneumoperitoneum to have access to minimally invasive surgery.
  • an incision protection device for a gas-free abdominal laparoscope comprising a slit protective sleeve and a hanging structure, wherein the slit protective sleeve is integrated from the bottom to the top by a pulling member and a loop sleeve.
  • the forming sleeve is made of a soft material, the thickness of the pulling member is greater than the thickness of the loop sleeve, and the thickness of the pulling member near the central portion is equal to or smaller than the edge region.
  • the utility model further comprises a hollow annular support ring mounted on the inner wall of the ring sleeve, the support ring is cylindrical or tapered, and the hardness of the support ring is greater than the hardness of the slit protection sleeve, and is installed on the inner wall of the ring sleeve when in use.
  • the lower end is near the bottom end of the pulling member.
  • top end structure is fixedly fitted to the top end of the ring sleeve.
  • a fixing plate is provided at the top end of the ring sleeve, and the fixing plate is integrally formed with the slit protective sleeve.
  • the loop is cylindrical or conical, and the angle between the pull member and the pull member is 30 to 90 degrees. Further, a fold is provided at the central axis of the pulling member, and the thickness of the concave portion is smaller than the thickness of the central portion and the edge portion of the pulling member.
  • concave lines which are parallel to each other and which are connected to the folds of the pulling member, and the thickness of the concave line is smaller than the thickness of the ring sleeve.
  • a plurality of mutually parallel boss structures are provided on the inner wall of the ring sleeve.
  • the top hanging structure is composed of an inner ring and an outer ring, and the outer ring is connected by two half rings, and the inner ring and the outer ring are fixed to each other.
  • a card slot structure is arranged outside the inner ring.
  • the laparoscopic surgical instrument enters the incision in the abdominal cavity through the central space of the device of the present invention, thereby minimizing the operation on the patient.
  • the injury of the abdominal wall, the pulling member of the device of the present invention is inserted into the abdominal cavity by folding through the incision, and is supported by the elastic expansion of the material under the abdominal wall. Since the lifting portion has a certain thickness, sufficient elastic resistance can be provided to achieve the purpose of hanging the abdominal wall.
  • the loop sleeve in the slit is cylindrical or conical.
  • the present invention uses a flexible material having a certain elasticity to be integrally formed, and all the portions entering the incision and the abdominal cavity are Smooth shape, will not cause damage to the abdominal organs and abdominal wall.
  • the device of the present invention When the device of the present invention is used, it is easy to fold into the incision and support the target position under the abdominal wall. At the end of the operation, the device can be cut into two halves along the groove of the loop sleeve and the pulling member for easy removal. .
  • the device of the present invention is provided with a boss on the inner wall of the ring sleeve, and the boss can cooperate with the inner ring and the outer ring on the ring sleeve, and the height of the device can be flexibly adjusted according to the height of the abdominal wall of the patient.
  • the slit protective sleeve of the main body of the device is integrally formed, and the fixing plate selected from the upper part of the loop sleeve can also be integrally formed with the main body of the device, and the top hanging structure of the upper part of the loop sleeve is matched with the main body of the device, wherein the outer ring is a card.
  • the buckle structure can not only make the structure simple and convenient to use, but also can achieve strong support at the slit without sliding.
  • the technical solution provided by the invention can generally replace the laparoscope completed by the C0 2 pneumoperitoneum
  • the technique because it does not require co 2 pneumoperitoneum, reduces the complications of laparoscopic surgery, thereby reducing the risk of surgery for patients.
  • FIG. 1 is a schematic structural view of the present invention
  • FIG. 2 is a schematic structural view of an embodiment of the present invention.
  • FIG. 3 is a schematic structural view of another embodiment of the present invention.
  • Figure 4 is a side elevational view of another embodiment of the present invention.
  • Figure 5 is a plan view of another embodiment of the present invention.
  • Figure 6 is a side elevational view of another embodiment of the present invention
  • Figure 7 is a bottom plan view of another embodiment of the present invention
  • Figure 8 is a schematic structural view of still another embodiment of the present invention.
  • Figure 9 is a structural exploded view of still another embodiment of the present invention.
  • Figure 10 is a structural exploded view of still another embodiment of the present invention
  • Figure U is a schematic structural view of still another embodiment of the present invention
  • Figure 12 is a schematic view showing the structure of still another embodiment of the present invention.
  • 1 fixed plate 2 slit protective sleeve, 22 ring sleeve, 23 lifting member, 24 fold recess, 25 concave along the line, 26 boss, 31 inner ring, 32 outer ring, 4 support ring.
  • 1 is a schematic view showing the structure of the present invention.
  • the present invention provides an airless abdominal laparoscopic incision protection device.
  • the laparoscopic incision protection device is a hollow incision protection sleeve 2
  • the slit protection sleeve 2 has a hanging function.
  • the slit protective sleeve 2 having a hanging function is integrally formed from the bottom to the top by the pulling member 23 and the loop sleeve 22.
  • the outer diameter of the pulling member 23 is larger than the outer diameter of the loop sleeve 21. Trail.
  • the slit protector 2 with hanging function is made of soft material, usually medical silicone, medical polyurethane, medical polyvinyl chloride.
  • the thickness of the pulling member 23 is greater than the thickness of the collar 22, and the thickness of the pulling member near the central portion is equal to or smaller than the edge region.
  • the collar 22 is cylindrical or conical, and the angle between the ring wall of the pulling member 23 is 30 degrees to 90 degrees.
  • the slit protective sleeve 2 having the hanging function is made of a soft material so that it can compress the edge of the folding puller 23, and the edge of the pulling member 23 passes.
  • the smaller space at the incision enters the abdominal wall.
  • the edge of the pulling member 23 is restored to a thick-walled ring shape due to the elasticity of its own material. At this time, the pulling member 23 is pulled up and the loop 22 is unfolded.
  • the pulling member 23 is not easily detached from the slit, and the pulling member of the slit protecting sleeve having the hanging function cannot be retracted toward the center, but is outward. Expanding, forming an extended state as shown in FIG. 1, at this time, the slit protective sleeve having the hanging function can be effectively placed in the slit and is not easily pulled out.
  • the device can open the abdominal wall at the incision, and the surgical lens and the instrument can enter the abdominal cavity through the central through hole of the unfolded slit protective sleeve, since the loop sleeve and the pulling member are arranged at an ideal angle. , to maximize the operation space for surgery.
  • a schematic diagram of a structure of an air-free abdominal laparoscopic abdominal wall suspension device further includes a hollow annular support ring 3, and the support ring 3 is fitted on the inner wall of the ring sleeve, and the outer wall of the support ring is slightly dimensioned. It is smaller than the inner wall size of the ring sleeve, and is formed into a cylindrical shape or a conical shape according to the shape of the slit protective sleeve 2 having a hanging function, and is usually made of plastic or polyurethane or metal, and has a hardness greater than that of the slit protective sleeve 2 having a hanging function. Hardness.
  • the support ring is installed at the lower end of the inner wall of the ring sleeve 22 near the bottom end of the pulling member, and the rigidity of the sleeve is increased because the hardness is greater than the hardness of the slit sleeve having the hanging function, thereby enhancing the loop sleeve.
  • it plays the role of internal support and maintains the unfolded state of the loop.
  • the deployment of the pulling member in the abdominal cavity is facilitated, and the abdominal wall is supported by the slit protective sleeve having the hanging function, and the surgical instrument can enter the abdominal cavity through the central space of the slit protective sleeve having the hanging function, and the operation is satisfied.
  • FIG. 3 is a schematic structural view of an embodiment of the airless abdominal laparoscopic incision protection device of the present invention, further including a concave portion 24 at the central axis of the pulling member 23, and a concave portion
  • the thickness of 24 is smaller than the thickness of the central portion and the edge region of the pulling member; on the outer wall of the collar 22, two concave along the line 25 which are parallel to each other and connected to the recess 24 of the pulling member are provided, and the concave portion is along the line 25 The thickness is less than the thickness of the collar 22.
  • the concave and concave portions at the central axis of the pulling member are thinner than the remaining positions of the pulling member, the resistance is reduced when the device is folded, and the cutting is facilitated during operation, and two outer walls are provided on the outer wall of the ring sleeve.
  • the concave line is connected along the concave line, the thickness along the concave line is smaller than the thickness of the other part of the loop sleeve, the folding storage of the device is realized, and after the operation is finished, the doctor can follow the concave protection line along the concave line Cut to the root to separate the side bottom surface from the vertical surface, and then cut it to the opposite side thin area.
  • the product Under the direction of the indication mark, the product can be cut along the opposite side thin area and the product is divided into two halves, so that the device can be conveniently taken out. At the same time, it will not increase the damage to the patient's body during operation.
  • FIG. 4 and FIG. 5 are schematic structural views of another embodiment of the airless abdominal laparoscopic incision protecting device of the present invention.
  • a fixing plate is preferably disposed on the upper portion of the loop sleeve.
  • the fixing plate can be integrally formed with the slit protective sleeve.
  • the fixing plate is left outside the abdominal incision and can be combined with the fixing bracket (as shown in FIG. 12) to fix the device and provide an upward hanging force.
  • the abdominal wall is suspended.
  • the device can open the abdominal wall at the incision, and the surgical lens and the instrument can enter the abdominal cavity through the central through hole of the unfolded slit protective sleeve, and the fixing plate and the slit protective sleeve are integrally formed, so that the support is in the lower part of the abdominal wall
  • the incision protection device supports stable and non-slip, providing maximum operating space for the operation.
  • FIG. 6 is a schematic structural view of still another embodiment of the airless abdominal laparoscopic incision protection device of the present invention.
  • a plurality of mutually parallel boss structures are arranged on the inner wall of the ring sleeve, and convex
  • the number of stations is preferably four.
  • a top hanging structure is arranged above the ring sleeve, and the top hanging structure is composed of an inner ring and an outer ring, and a card slot is arranged outside the inner ring, and the card slot can be fixed on the ring sleeve with the boss;
  • the outer ring is composed of two half rings Composition, the two half rings are looped by the snap structure (as shown in Figure 10), interlocking each other
  • the outer ring of the pin is caught by the inner ring, and the outer ring can be combined with the fixing bracket (as shown in Fig. 12) to fix the device and provide an upward suspending force to suspend the abdominal wall.
  • the inner ring in use, according to the height of the abdominal wall of the patient, the inner ring can be combined with the bosses at different heights, and the card slot matching boss provided on the outer side of the inner ring prevents the slit protection device from sliding freely, the outer ring It is fixed to the inner ring by a snap connection and then combined with the outer bracket. After the end of the operation, if you need to disassemble the buckle, simply pry open it at the end of the buckle.

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Abstract

一种腹腔镜的切口保护装置，包括中空的切口保护套（2）和挂件结构，其中切口保护套（2）从下至上由提拉件（23）、环套（22）一体成型，切口保护套（2）采用软材质材料制成，提拉件（23）厚度大于环套（22）的厚度，提拉件（23）靠近中央区域的厚度等于或小于边缘区域。利用该切口保护装置可有效折叠进入切口，并且能够将手术切口下的腹壁支撑开来，不仅避免造成腹壁不必要的损伤，而且使手术视野良好，同时结构简单、操作方便，使用常规腹腔镜手术器械完成免气腹腹腔镜手术，避免气腹带来的不良反应。

Description

一种免气腹腹腔镜的切口保护装置 技术领域 本发明涉及腹腔镜切口保护装置的领域， 特别是涉及一种免气腹腹 腔镜的切口保护装置。 背景技术 随着医学技术的逐歩提高，越来越多的疾病可以通过腹腔镜技术实施 微创手术取得最佳疗效。腹腔镜技术可以通过制造 co2人工气腹提供手术 操作所需空间， 但由于 co2气腹可继发高碳酸血症、 空气栓塞、 血流淤滞 等并发症， 使得这种技术在组织器官未发育成熟的儿童、 妊娠妇女以及合 并基础病的老年患者中的应用受到限制。免气腹腹腔镜是微创领域的重要 技术， 利用外部机械拉力为手术提供操作空间， 不依赖人工气腹， 减少了 co2气腹相关并发症， 使具有微创手术指征但不能耐受全麻和气腹相关并 发症的患者也可接受微创治疗， 拓宽了微创手术适应症。 目前免气腹腹腔 镜技术在腹部手术中发挥着极其重要的作用。
中国专利 201210271562.0公布了一种免气腹的腹腔镜腹壁悬吊支架， 该装置将悬吊手术切口处腹壁向上提起来， 实现免气腹腹腔镜手术。 但此 技术存在以下不足： 该装置需要在收扰状态下先竖直插入腹腔内一定深 度才能通过牵拉绳将支撑臂呈伞形张开， 腹腔内空间有限， 在无法直视腹 腔内的情况下盲目插入该装置并进一歩向四周张开有挂扯到肠管造成损 伤的可能性； 另一方面， 该装置从收扰状态到装置的张开状态依靠牵拉绳 的移动并防止倒滑来实现， 由于微创的原因该装置设计要求直径及高度较 小，这一点造成牵拉绳在从装置收拢到装置张开的过程中滑过支点处的位 移较小，很容易由于腹壁支撑力过大及牵拉绳材料弹性原因致使装置不能 有效维持理想形状。
综上所述， 人们迫切需要一种结构简单、 原理直观可靠、 操作方便 安全、 制造成本低廉的， 能利用手术切口进行腹壁悬空并通过该装置中央 空间利用腹腔镜器械实施免气腹腹腔镜手术的免气腹腹腔镜切口保护装 置。 发明内容 为解决上述技术问题，本发明的目的是提供一种免气腹腹腔镜切口保 护装置， 它能够较方便地进入手术切口处， 将手术切口下方的腹壁悬吊起 来。 不仅避免了通过其它部位悬吊腹壁造成腹壁额外的损伤， 而且由于悬 吊装置支撑于腹壁下较大面积使腹壁悬空的整体效果良好， 此外， 根据患 者的腹壁高度的差异， 自由的调整高度。 本发明的免气腹腹腔镜切口保护 装置结构简单、 原理直观可靠、 操作方便安全、 制造成本低廉， 可以有效 改善现有免气腹腹腔镜技术的腹壁悬空效果，可以扩大免气腹腹腔镜手术 的适应征， 使更多不能耐受气腹的患者有机会接受微创手术治疗。 为实现上述发明目的， 本发明所提供的技术方案是： 一种免气腹腹腔 镜的切口保护装置， 包括切口保护套和挂件结构， 其中切口保护套从下至 上由提拉件、 环套一体成型， 切口保护套采用软材质材料制成， 提拉件厚 度大于环套的厚度， 提拉件靠近中央区域的厚度等于或小于边缘区域。
进一歩地， 还包括配合安装于环套内壁的空心环状的支撑环， 支撑环 为圆柱形或锥形， 支撑环的硬度大于所述切口保护套的硬度， 使用时安装 在环套的内壁下端靠近提拉件底端的位置。
进一歩地， 在环套的顶端配合固定有顶端挂件结构。
进一歩地， 在环套顶端设有固定板， 固定板与所述切口保护套一体成 型。
进一歩地，环套为圆柱形或圆锥形，与所述提拉件的之间的夹角为 30 度至 90度。 进一歩地， 在提拉件的中轴线处设有折凹处， 折凹处的厚度小于所述 提拉件的中央区域和边缘区域的厚度。
进一歩地，在环套的外壁上设有两条相互平行并与提拉件的折凹处相 连接的内凹沿线， 内凹沿线的厚度小于环套的厚度。
进一歩地， 在环套的内壁设有若干相互平行的凸台结构。
进一歩地， 顶端挂件结构由内环和外环两部分组成， 所述外环由两 个半环卡扣连接， 所述内环和外环相互配合固定。
进一歩地， 所述内环外侧设有卡槽结构。
采用上述技术方案， 本发明的有益效果有：
1. 能够有效悬吊起切口周围一定面积的腹壁，使腹壁整体悬空效果良 好， 为手术提供较好视野， 腹腔镜手术器械经过本发明装置中央空间进入 切口内腹腔， 最大限度减少了手术对患者腹壁的损伤， 本发明装置的提拉 件通过折叠经切口塞入腹腔内后依材料弹性展开支撑于腹壁下， 由于提拉 部有一定厚度所以可提供足够大的弹性阻力实现腹壁悬空的目的， 处于切 口内的环套为圆柱或圆锥形， 由于壁相对较薄而可以满足柔韧和抗拉强度 的要求， 本发明使用有一定弹性的软性材料一体成型， 进入切口及腹腔内 的部分全部系光滑形状， 不会造成腹内脏器及腹壁损伤。
2.本发明的装置在使用时， 容易对折进入切口并支撑在腹壁下的目标 位置， 在手术结束时， 可沿着环套和提拉件的凹线将本装置剪成两半， 方 便取出。
3.本发明的装置在环套内壁设有凸台， 凸台可与环套上的内环和外环 配合， 可以根据患者的腹壁高度灵活调节本装置的高度。
4. 本发明的装置主体的切口保护套一体成型，环套上部选择设置的固 定板也可与装置主体一体成型， 环套上部选择设置的顶端挂件结构与装置 主体配合固定， 其中外环为卡扣结构， 不仅能够结构简单便于使用， 而且 可以实现在切口处牢固支撑不滑动。
5. 本发明所提供的技术方案可普遍替代依靠 C02气腹完成的腹腔镜 技术， 因无需 co2气腹， 减少了腹腔镜手术的并发症， 从而减轻患者的手 术风险。
6. 本发明的装置结构简单， 原理直观可靠、 操作方便安全、 制造成 本低廉， 组装方便， 各部分可拆分， 便于消毒。 附图说明 图 1为本发明的结构示意图；
图 2为本发明一个实施例的的结构示意图；
图 3为本发明另一个实施例的结构示意图；
图 4为本发明另一个实施例的侧视图；
图 5为本发明另一个实施例的俯视图；
图 6为本发明另一个实施例的侧视图； 图 7为本发明另一个实施例的仰视图；
图 8为本发明又一个实施例的结构示意图；
图 9为本发明又一个实施例的结构分解图；
图 10为本发明又一个实施例的结构分解图； 图 U为本发明又一个实施例的结构示意图；
图 12为本发明再一个实施例的结构示意图。
其中： 1固定板， 2切口保护套， 22环套， 23提拉件， 24折凹处，25 内凹沿线， 26凸台， 31内环， 32外环， 4 支撑环。 具体实施方式 图 1为本发明的结构示意图。 如图 1所示， 本发明提供了一种免气腹 腹腔镜切口保护装置， 腹腔镜的切口保护装置为中空的切口保护套 2， 切 口保护套 2具有悬吊功能。 其中， 具有悬吊功能的切口保护套 2从下至上 由提拉件 23、 环套 22—体成型， 提拉件 23的外直径大于环套 21的外直 径。 具有悬吊功能的切口保护套 2采用软材质材料， 通常为医用硅胶、 医 用聚氨酯、 医用聚氯乙烯。 提拉件 23厚度大于环套 22的厚度， 并且提拉 件靠近中央区域的厚度等于或小于边缘区域。
其中， 环套 22为圆柱形或圆锥形， 与提拉件 23的环壁之间的夹角为 30度至 90度。 如图 1所示， 本装置在进入切口时， 由于具有悬吊功能的切口保护套 2由软性材料制成， 使其可以压缩折叠提拉件 23的边缘， 使提拉件 23的 边缘通过切口处的较小空间进入腹壁下， 在进入切口内后提拉件 23 的边 缘会因自身材料弹性而复原成厚壁圆环状，此时向上拉起提拉件 23，环套 22被展开成圆柱状或圆锥状， 由于提拉件厚度大于环套的厚度，使得提拉 件 23不易从切口脱出， 具有悬吊功能的切口保护套的提拉件无法向中心 回缩， 而是向外展开， 形成如图 1所示的伸展状态， 此时具有悬吊功能的 切口保护套可以有效安放于切口内并不易向外脱出。本装置能够将切口处 的腹壁撑开，手术用的镜头和器械可以通过展开的具有悬吊功能的切口保 护套的中央通孔进入腹腔， 由于环套与提拉件之间是按理想角度配置的， 最大限度为手术提供良好的操作空间。
实施例 1
如图 2所示， 一种免气腹腹腔镜腹壁悬吊装置的结构示意图， 其中还 包括中空环状的支撑环 3， 支撑环 3配合安装于环套的内壁上， 支撑环的 外壁尺寸略小于环套内壁尺寸， 根据使用的具有悬吊功能的切口保护套 2 的形状制成圆柱形或圆锥形， 通常由塑料或聚氨酯或金属制成， 其硬度大 于具有悬吊功能的切口保护套 2的硬度。 使用时，将支撑环安装在环套 22的内壁下端靠近提拉件底端的位置， 由于其硬度大于具有悬吊功能的切口保护套的硬度， 使环套的张力增加， 从而增强了环套的对抗阻力， 起到内支撑以及维持环套的展开状态的作 用。 采用本实施方式， 有利于腹腔内提拉件的展开， 使腹壁被具有悬吊功 能的切口保护套支撑，手术器械能够通过具有悬吊功能的切口保护套的中 央空间进入腹腔内， 满足手术的要求。 实施例 2
如图 3所示， 图 3为本发明的免气腹腹腔镜切口保护装置的一个实施 例的结构示意图， 其中还包括在提拉件 23的中轴线处设有折凹处 24， 折 凹处 24的厚度小于提拉件的中央区域和边缘区域的厚度；在环套 22外壁 上设有两条相互平行并与提拉件的折凹处 24相连接的内凹沿线 25， 内凹 沿线 25的厚度小于环套 22的厚度。 使用时， 由于提拉件中轴线处的折凹处比提拉件其余位置的厚度薄， 在本装置折叠时阻力减小， 便于操作时进入切口， 并且环套外壁上还设有 两条与折凹处相连接的内凹沿线， 内凹沿线处的厚度小于环套其他处的厚 度， 实现了本装置的折叠存放， 并且当手术结束后， 医生可以沿着内凹沿 线将该切口保护装置剪至根部使该侧底面与竖面分离，进一歩再剪至对侧 薄区， 在指示标示引导下可沿对侧薄区一直剪到产品分为两半， 从而方便 地将本装置取出， 同时不会增加操作时对病人身体的损伤。
实施例 3
如图 4、 5所示， 图 4、 5为本发明的免气腹腹腔镜切口保护装置的另 一实施例的结构示意图， 在本实施例中， 优选地在环套上部设有固定板， 该固定板可与切口保护套一体成型， 使用时， 固定板留在腹部切口外侧， 可与固定支架结合（如图 12所示）， 起到固定本装置并提供向上悬吊力的 作用从而使腹壁悬空。 本装置能够将切口处的腹壁撑开， 手术用的镜头和 器械可以通过展开的具有悬吊功能的切口保护套的中央通孔进入腹腔， 固 定板与切口保护套一体成型，从而使支撑在腹壁下部的切口保护套装置支 撑稳定不滑动， 最大限度为手术提供良好的操作空间。
实施例 4
如图 6-11所示， 图 6为本发明的免气腹腹腔镜切口保护装置的又一 实施例的结构示意图，优选地，在环套内壁设有多个相互平行的凸台结构， 凸台数量优选地为 4个。 在环套上方设有顶端挂件结构， 顶端挂件结构由 内环和外环组成，内环外侧设有卡槽，卡槽可与凸台相配合固定在环套上； 外环由两个半环组成， 两个半环由卡扣结构成环（如图 10所示）， 相互扣 销成环的外环卡住内环， 该外环与可与固定支架结合（如图 12所示）， 起 到固定本装置并提供向上悬吊力的作用从而使腹壁悬空。
如图 11所示， 在使用时， 根据病人腹壁的高度， 内环可选择与处于 不同高度的凸台相结合， 内环外侧所设的卡槽配合凸台防止切口保护装置 任意滑动， 外环通过卡扣连接于内环固定， 再与外部支架相结合。 在手术 结束后， 如需拆开卡扣， 只需在卡扣头端轻轻撬开即可。
以上所述实施例仅表达了本发明的实施方式， 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。 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。

Claims

权 利 要 求 书
1. 一种免气腹腹腔镜的切口保护装置， 其特征在于： 包括切口保护 套和挂件结构， 其中所述切口保护套从下至上由提拉件、 环套一体成型， 所述切口保护套采用软材质材料制成， 所述提拉件厚度大于环套的厚度， 所述提拉件靠近中央区域的厚度等于或小于边缘区域。
2. 根据权利要求 1所述的免气腹腹腔镜的切口保护装置， 其特征在 于， 还包括配合安装于所述环套内壁的空心环状的支撑环， 所述支撑环为 圆柱形或锥形， 所述支撑环的硬度大于所述切口保护套的硬度， 使用时安 装在所述环套的内壁下端靠近提拉件底端的位置。
3. 根据权利要求 1所述的免气腹腹腔镜的切口保护装置， 其特征在 于， 在所述环套的顶端配合固定有顶端挂件结构。
4. 根据权利要求 1所述的免气腹腹腔镜的切口保护装置， 其特征在 于，在所述环套顶端设有固定板，所述固定板与所述切口保护套一体成型。
5. 根据权利要求 1所述的免气腹腹腔镜的切口保护装置， 其特征在 于： 所述环套为圆柱形或圆锥形， 与所述提拉件的之间的夹角为 30度至 90度。
6. 根据权利要求 1所述的免气腹腹腔镜的切口保护装置， 其特征在 于： 在所述提拉件的中轴线处设有折凹处， 所述折凹处的厚度小于所述提 拉件的中央区域和边缘区域的厚度。
7. 根据权利要求 6所述的免气腹腹腔镜的切口保护装置， 其特征在 于：在所述环套的外壁上设有两条相互平行并与所述提拉件的折凹处相连 接的内凹沿线， 所述内凹沿线的厚度小于所述环套的厚度。
8. 根据权利要求 1所述的免气腹腹腔镜的切口保护装置， 其特征在 于： 在所述环套的内壁设有若干相互平行的凸台结构。
9. 根据权利要求 3所述的免气腹腹腔镜的切口保护装置， 其特征在 于： 所述顶端挂件结构由内环和外环两部分组成， 所述外环由两个半环 卡扣连接， 所述内环和外环相互配合固定。
10. 根据权利要求 9所述的免气腹腹腔镜的切口保护装置，其特征 于： 所述内环外侧设有卡槽结构。
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