CN103519859A - Gastrointestinal tract anastomat - Google Patents

Gastrointestinal tract anastomat Download PDF

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Publication number
CN103519859A
CN103519859A CN201310514851.3A CN201310514851A CN103519859A CN 103519859 A CN103519859 A CN 103519859A CN 201310514851 A CN201310514851 A CN 201310514851A CN 103519859 A CN103519859 A CN 103519859A
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China
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outer
shaped
assembly
provided
gastrointestinal
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CN201310514851.3A
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Chinese (zh)
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CN103519859B (en
Inventor
徐刚毅
张晓蕾
张洁
裴明黎
郑海菁
王利群
涂克华
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杭州铭众生物科技有限公司
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Priority to CN201310514851.3A priority Critical patent/CN103519859B/en
Publication of CN103519859A publication Critical patent/CN103519859A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115Staplers for performing anastomosis in a single operation
    • A61B17/1155Circular staplers comprising a plurality of staples
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0046Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743Type of operation; Specification of treatment sites
    • A61B2017/00818Treatment of the gastro-intestinal system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties

Abstract

The invention discloses a gastrointestinal tract anastomat which comprises an inner ring assembly and an outer ring assembly. The inner ring assembly and the outer ring assembly are made of biodegradable materials and are slidably connected with each other, the inner ring assembly comprises a hemispherical inner ring shell, a through hole is formed in the bottom of the inner ring shell, the outer ring assembly comprises a hemispherical outer ring shell and an outer barrel, a through hole is formed in the bottom of the outer ring shell, the outer barrel is connected with the outer ring shell, and the inner ring assembly is provided with at least two 'omega'-shaped arc sheets which are uniformly distributed along arc edges of the through hole of the inner ring shell at intervals; the bottoms of the 'omega'-shaped arc sheets are connected with the inner ring shell, the tops of the 'omega'-shaped arc sheets are narrower than the bottoms of the 'omega'-shaped arc sheets, and the 'omega'-shaped arc sheets are inclined towards the outer side of the inner ring shell from bottom to top. The gastrointestinal tract anastomat has the advantages that the gastrointestinal tract anastomat is simple in structure, easy to manufacture and position and low in material consumption, the usage of the required biodegradable materials can be effectively saved, production processes can be simplified, and the production cost can be reduced.

Description

一种胃肠道吻合器 Gut and stapler

技术领域 FIELD

[0001] 本发明涉及一种医用器械,特别是一种用于胃肠道手术的吻合器。 [0001] The present invention relates to a medical instrument, in particular for a surgical stapler of the gastrointestinal tract.

背景技术 Background technique

[0002] 胃肠道吻合手术是外科最常见的手术之一,如胃-食管吻合、胃-肠吻合、小肠-食道吻合、肠-肠吻合、肛-肠吻合等。 [0002] gastrointestinal anastomosis is one of the most common surgical procedures, such as gastric - esophageal, gastrointestinal anastomosis of the small intestine - esophageal anastomosis intestine - intestinal anastomosis, anus - intestinal anastomosis. 近年来一种利用可生物降解材料制备的可分解吻合环(BAR)在临床手术中得到了广泛应用,中国专利CN1141913C也提出了利用可生物降解材料制备的体内可降解吻合套。 Recently prepared utilizing biodegradable material decomposable anastomotic ring (BAR) has been widely used in clinical surgery, China Patent CN1141913C also be made using a biodegradable material prepared vivo biodegradable consistent sets. 上述吻合套的最大优点是大大降低了患者术后的吻合口漏和吻合口狭窄等并发症,而且在患者伤口愈合后,这些吻合套经降解和破碎后能够被排出体外。 Anastomosis sets the maximum advantage is greatly reduced anastomotic leakage and postoperative complications such as anastomotic stenosis, but also in patients after wound healing, the sleeve anastomosis after degradation and fragmentation can be excreted.

[0003] 但是上述吻合套,均采用嵌合的设计,此类吻合器的嵌合部位均存在着不能完全密封的狭缝;而该狭缝的存在,有可能造成肠液从不能完全密封的狭缝处泄漏,从而影响患者手术创口的愈合,甚至产生吻合口漏。 [0003] However, these stapling units, are used to design the fitting, the fitting portion of such staplers are not completely sealed there slit; the presence of the slit, may cause intestinal fluid can not be completely sealed from the slot joints leak, thus affecting the patient's surgical wound healing, and even anastomotic leakage.

[0004] 为了解决上述问题,中国专利CN201223418Y提供了一种用于胃肠道吻合手术的非吸收可崩解吻合夹,该吻合夹可有效防止吻合后的泄露,但该吻合夹存在结构复杂,生产工艺复杂、可生物降解材料用料多的缺点。 [0004] In order to solve the above problems, a Chinese patent CN201223418Y provides for a non-absorbing gastrointestinal anastomosis disintegrable anastomosis clip, which can effectively prevent leakage of anastomosis clip after anastomosis, anastomosis clip but there are complex structures, complex production process, the biodegradable material many shortcomings. 另外,本专利申请涉及的胃肠道吻合器也可采用类似的可生物降解材料来制备,关于可生物降解材料部分不是本专利申请所要求保护的重点,因此,本领域技术人员在阅读本专利的时候,可以参照该现有技术进行理解,本申请对其全文引用作为本申请公开的一部分。 The present patent application relates to gastrointestinal stapler also be prepared similarly employed biodegradable materials, protection of the biodegradable material on part of the present patent application is not required, therefore, one skilled in the art upon reading this patent when referring to the prior art can be appreciated, the present application by reference in its entirety as part of the disclosure of the present application.

发明内容 SUMMARY

[0005] 本发明要解决的技术问题是提供一种胃肠道吻合器,以减少或避免前面所提到的问题。 [0005] The present invention is to solve the technical problem of providing a stapler gastrointestinal tract, to reduce or avoid the aforementioned problems.

[0006] 具体来说,本发明提供了一种胃肠道吻合器,其包括均由可生物降解材料制成的可滑动连接的内环组件与外环组件,所述内环组件包括底面设置有通孔的半球形的内环壳体,所述外环组件包括底面设置有通孔的半球形的外环壳体以及与所述外环壳体连接的外筒,所述内环组件设置有至少两个间隔分布的、沿所述内环壳体的通孔的圆弧边均匀分布的“几”形圆弧片;所述“几”形圆弧片的底部与所述内环壳体连接,顶部宽度小于底部宽度,所述“几”形圆弧片从底部到顶部向所述内环壳体外侧倾斜。 [0006] In particular, the present invention provides a gastrointestinal anastomosis, comprising an inner ring assembly may be made by biodegradable materials slidably connected to the assembly of the outer ring, the inner ring assembly comprises a bottom surface disposed a through hole of the inner hemispherical shell, the bottom surface of the outer ring assembly includes a through-hole is provided with a hemispherical outer housing and an outer cylinder housing connected to the outer ring, the inner ring assembly is provided there are at least two spaced, along the arc of the inner housing through holes evenly distributed sides "a few" shaped arc-shaped pieces; the "few" arc-shaped bottom sheet and the inner casing body connection, is smaller than the top width bottom width, the "few" sheet-shaped arc from bottom to top is inclined toward the outside of the inner housing.

[0007] 优选地,所述“几”形圆弧片为中空的圆弧形板状结构。 [0007] Preferably, the "few" arc-shaped piece hollow arcuate plate-like structure.

[0008] 优选地,所述外环组件的外筒在远离所述外环壳体一侧对应于每个所述“几”形圆弧片设置有一个凸起部;所述内环壳体在与所述“几”形圆弧片的连接处,对应于所述“几”形圆弧片的中空部位设置有中空凹槽;所述凸起部两侧与所述外筒底部的连接处还设置肩台,所述肩台可与所述中空凹槽两侧的所述内环壳体紧密结合。 [0008] Preferably, the outer tube in the outer ring assembly away from the outer side of the housing corresponding to each of the "several" shaped plate is provided with a convex arcuate portion; said inner housing in connection with the "several" arc-shaped piece corresponding to the "several" shaped hollow portion of the arc-shaped pieces provided with a hollow recess; both sides of the raised bottom portion connecting the outer cylinder is also provided at the shoulder, the shoulder can be closely integrated with the inner ring grooves on both sides of the hollow housing.

[0009] 优选地,所述外筒内侧对应每个所述“几”形圆弧片的连接部设置有至少一个卡扣。 [0009] Preferably, the outer cylinder corresponding to the inside of each of the "several" shaped connecting portion arc-shaped pieces provided with at least one snap. [0010] 优选地,所述外筒内侧对应每个所述“几”形圆弧片设置有一个装配定位卡扣和两个吻合定位卡扣。 [0010] Preferably, the outer cylinder corresponding to the inside of each of the "several" shaped arcuate plate positioning assembly is provided with a snap fit two positioning and snap.

[0011] 优选地,两个所述吻合定位卡扣的宽度与所述“几”形圆弧片的中空部位宽度相同。 [0011] Preferably, the two snap-fit ​​locating the width of the "several" shaped hollow portion of the arc-shaped pieces of the same width. [0012] 优选地,所述外环壳体与所述内环壳体上均对应设置有多个方形通孔。 [0012] Preferably, the outer housing and the upper housing are provided corresponding to a plurality of rectangular through holes of the inner ring.

[0013] 优选地,所述胃肠道吻合器进一步包括由可生物降解材料制成的手柄组件,所述手柄组件包括柄体,所述柄体前端设有与柄体活动连接的手柄定位卡,所述手柄定位卡是并排设置的两个凸起,所述两个凸起之间的宽度正好可以使装配定位卡扣从其中通过,所述手柄定位卡可卡在所述内环组件的连接部位置处。 [0013] Preferably, said gastrointestinal stapler further includes a handle assembly may be made of a biodegradable material, the handle assembly includes a handle body, the front end of the handle body is provided with a handle connected to the handle body locator card activity the handle is a two card positioning projections arranged side by side, the width between the two projections may be precisely positioned so that the snap fitting from passing therethrough, the handle is positioned in the inner ring card card assembly connection position.

[0014] 优选地,所述外筒内侧对应每个所述“几”形圆弧片设置有两条导向筋。 [0014] Preferably, the inside of the outer cylinder corresponding to each of the "several" shaped plate is provided with two arcuate guide rib.

[0015] 优选地,在所述内环组件的内环壳体以及外环组件的外环壳体的周边均匀设置有多个预制破碎凹槽。 [0015] Preferably, the outer periphery of said inner housing assembly inner housing and an outer ring assembly is provided with a plurality of uniformly preformed breaking grooves.

[0016] 本发明所提供的胃肠道吻合器具有结构简单,容易制造,容易定位,用料少的优点,能够有效节约所需使用的可生物降解材料的用量,简化生产工艺,降低生产成本。 [0016] The present invention provides a gastrointestinal stapler having a simple structure, easy to manufacture, easy to locate, with the advantages of less material, can effectively save the amount of biodegradable material required to be used, simplify the production process and reduce production costs .

附图说明 BRIEF DESCRIPTION

[0017] 以下附图仅旨在于对本发明做示意性说明和解释,并不限定本发明的范围。 [0017] The following drawings are only intended to be illustrative description and explanation of the invention, not to limit the scope of the present invention. 其中, among them,

[0018] 图1显示的是根据本发明的一个具体实施例的一种胃肠道吻合器的使用原理示意图; [0018] FIG. 1 is a diagram illustrating the principle according to the use of a gastrointestinal anastomosis is a specific embodiment of the present invention;

[0019] 图2显示的是图1所示的胃肠道吻合器的分解状态结构示意图; [0019] FIG. 2 shows a schematic view of an exploded state shown in FIG gastrointestinal stapler;

[0020] 图3显示的是图2所示的内环组件的立体结构示意图; [0020] FIG. 3 shows a perspective schematic structural view of the inner assembly shown in Figure 2;

[0021] 图4显示的是图3所示的内环组件的俯视结构示意图; [0021] FIG. 4 shows a schematic top view of the inner structure of the assembly shown in Figure 3;

[0022] 图5显示的是图2所示的外环组件的立体结构示意图; [0022] FIG. 5 shows a perspective schematic structural view of an outer ring assembly shown in Figure 2;

[0023] 图6显示的是图5所示的外环组件的仰视结构示意图。 [0023] FIG. 6 is a diagram illustrating a bottom structure of an outer ring assembly shown in FIG.

具体实施方式 Detailed ways

[0024] 为了对本发明的技术特征、目的和效果有更加清楚的理解,现对照附图说明本发明的具体实施方式。 [0024] For the technical characteristics of the invention, the objects and effects more clearly understood, reference now be described specific embodiments of the present invention the control of. 其中,相同的部件采用相同的标号。 Wherein the same parts are designated by the same reference numerals.

[0025] 本发明涉及一种医用器械,特别是一种用于胃肠道手术的吻合器,尤其是一种类似CN201223418Y中所公开的用于胃肠道吻合手术的非吸收可崩解吻合夹的吻合器,属于对上述现有技术的一种改进发明。 [0025] The present invention relates to a medical instrument, in particular for a surgical stapler of the gastrointestinal tract, particularly as a similar CN201223418Y disclosed anastomosis for gastrointestinal absorption of non-disintegrating anastomosis clip stapler, belonging to one of the above-described prior art improvement to the invention. 本发明专利中涉及的吻合器的工作原理、材料等与上述现有技术类似,因此本申请对该现有技术全文引用作为参考,对于操作原理等类似的部分 Patent working principle of the present invention relates to a stapler, the above-described prior art materials and the like, and therefore the prior art entirety in this application by reference, for a similar principle of operation portions

不再一一赘述。 Not going to repeat them.

[0026] 图1显示的是根据本发明的一个具体实施例的一种胃肠道吻合器的使用原理示意图;图2显示的是图1所示的胃肠道吻合器的分解状态结构示意图。 [0026] FIG. 1 is a schematic view of the use of a gastrointestinal tract of a stapler according to the present invention, a specific embodiment according to the principles shown; FIG. 2 shows an exploded state of gastrointestinal stapling schematic configuration shown in FIG.

[0027] 参见图1-2所示,本发明提供了一种胃肠道吻合器,与上述现有技术类似,其包括均由可生物降解材料制成的可滑动连接的内环组件I与外环组件2。 [0027] Referring to FIG 1-2, the present invention provides a gastrointestinal stapler, similar to the above-described prior art, by which an inner ring assembly comprising I may be slidably connected and made of a biodegradable material the outer ring assembly 2. 另外,图1中还显示了一个手柄组件3 (后面将对其进一步描述),其用于在手术过程中辅助内环组件I和外环组件2的快速定位和装配,该手柄组件3并非需要置入人体,因此手柄组件3可以用可生物降解材料制成,也可以用普通医用塑料制成。 In addition, Figure 1 also shows a handle assembly 3 (which will be further described later) for the secondary inner and outer components I assembly during surgery and rapid positioning assembly 2, which does not need to handle assembly 3 into the human body, so the handle assembly 3 may be made of a biodegradable material, it may also be made by conventional medical plastic. [0028] 所述内环组件I包括底面设置有通孔的半球形的内环壳体11,所述外环组件2包括底面设置有通孔的半球形的外环壳体21,以及与所述外环壳体21连接的外筒22,所述内环壳体11的顶部设置有第一圆弧形锯齿111,所述外环壳体21的顶部设置有与所述第一圆弧形锯齿111相吻合的第二圆弧形锯齿211。 [0028] I the inner ring assembly comprising a through hole provided in the bottom of the hemispherical inner housing 11, the outer ring assembly 2 comprises a bottom surface provided with a through hole 21 of the outer housing semispherical, and with the said outer housing 21 outer cylinder 22 connected to a top of the inner housing 11 is provided with a first arcuate serrations 111, the top of the outer housing 21 is provided with the first circular arc serrations 111 coincides with the second arcuate serrations 211.

[0029] 与现有技术显著不同的是,所述内环组件I设置有至少两个间隔分布的、沿所述内环壳体11的通孔的圆弧边均匀分布的“几”形圆弧片12,所述“几”形圆弧片12可套装在所述外筒22内且与所述外筒22滑动连接,如图2、3所示。 [0029] significantly different from the prior art is that the inner ring assembly I is provided with at least two spaced, the inner ring along a circular arc through hole 11 sides of the housing uniformly distributed "several" round shape arc plate 12, the "few" arc-shaped sheet 12 may be set and connected within the outer cylinder 22 and the outer cylinder 22 slides, shown in Figure 2,3.

[0030] 所述“几”形圆弧片12为中空的圆弧形板状结构,这样在保障所述内环组件I与所述外环组件2连接强度的基础上大大减少了制造时对材料数量的需求。 When [0030] the "few" arc-shaped piece 12 has a hollow arc-shaped plate-like structure, so that the inner assembly to protect the base I and the outer ring 2 is connected intensity greatly reducing the manufacturing assembly of amount of material needs. 为了便于制造以及定位,优选所述内环组件I上设置有三个或四个所述“几”形圆弧片12。 For ease of manufacture and positioning, is preferably disposed on the inner ring assembly I have three or four of the "several" shaped arcuate plate 12.

[0031] 另外,采用“几”形圆弧片12,其“几”型中空的部分121—方面可以减少材料,另一方面,“几”形圆弧片12与内环壳体11的通孔的圆弧边所形成的中空凹槽13 (参见图3,后面将对此进行描述)还可以对外环组件2进行卡止定位,避免内环组件I和外环组件2卡扣咬合时二者之间的距离靠得太紧将胃肠道组织夹破,导致吻合漏孔形成隐患。 [0031] Further, use of "a few" shaped arcuate plate 12, which is "a few" aspect hollow portion 121- material can be reduced, by hand, "a few" shaped arcuate plate 12 and the inner ring 11 of the housing the hollow circular arc groove edge of the hole 13 is formed (see FIG. 3, which will be described later) may also be the outer ring locking assembly 2 is positioned, to avoid the inner ring and the outer ring assembly I snap engaging two components 2 the distance between the too closely gastrointestinal tissue clip will break, resulting in formation of anastomotic leak risk. 再者,“几”形圆弧片12的连接部122还可以形成与外环组件2进行卡扣的结构。 Further, "a few" shaped arcuate portion 122 connecting piece 12 may also be formed with the outer ring structure buckle assembly 2. 可以说,本发明的内环组件I所设置的“几”形圆弧片12相对现有技术而言,具备三重功效,也就是说,现有技术中的内环组件I需要针对上述三种功能分别设置三种不同的结构,而本发明采用一种结构具备了现有技术中三种结构的功能,具备突出的实质性特点和显著的进步。 It can be said, the inner ring assembly of the present invention provided I "several" shaped arcuate plate 12 relative to the prior art, includes a triple effect, i.e., the inner ring of the prior art of the three components I need for functions are provided three different structures, but the present invention employs a configuration comprising the three structural features of the prior art, it has prominent substantive features and notable progress.

[0032] 图3显示的是图2所示的内环组件的立体结构示意图;图4显示的是图3所示的内环组件的俯视结构示意图;参见图3-4所示,在一个具体实施例中,所述“几”形圆弧片12的底部与所述内环壳体11连接,顶部宽度小于底部宽度,所述“几”形圆弧片12从底部到顶部向所述内环壳体11外侧倾斜。 [0032] FIG. 3 is a diagram illustrating a perspective structure of the inner assembly shown in FIG. 2; FIG. 4 shows a schematic top view of the inner structure of the assembly shown in FIG. 3; see FIG. 3-4 shown in a particular embodiment, the "few" arc-shaped bottom sheet 12 and the inner ring 11 is connected to the housing, is smaller than the top width bottom width, of the inner bottom to top, from the "few" shaped arcuate plate 12 the outer ring housing 11 is inclined. 这样一方面便于将所述“几”形圆弧片12插入所述外筒22,另一方面,倾斜的“几”形圆弧片12能够具有较好的弹性,从而有利于所述“几”形圆弧片12与所述外筒22的挤压贴合,避免内环组件I与外环组件2装配之后产生晃动。 Such aspect facilitates the "few" shaped arcuate plate 12 is inserted into the outer cylinder 22, on the other hand, the inclination "a few" shaped arcuate sheet 12 can have good flexibility, so as to facilitate the "few "arc-shaped pressing plate 12 and the outer tube 22 bonded, to avoid rattling, after assembly of the inner ring and the outer ring 2 I component assembly.

[0033] 图5显示的是图2所示的外环组件的立体结构示意图;图6显示的是图5所示的外环组件的仰视结构示意图。 [0033] FIG. 5 is a diagram illustrating a perspective structure of an outer ring assembly shown in FIG. 2; FIG. 6 is a diagram illustrating a bottom structure of an outer ring assembly shown in FIG. 参见图5、6所示,在一个优选实施例中,所述外筒22内侧对应每个所述“几”形圆弧片12设置有一个装配定位卡扣23和两个吻合定位卡扣24。 Referring to FIG. 5 and 6 shown, in a preferred embodiment, the inner side of the outer cylinder 22 corresponding to each of the "several" shaped arcuate plate 12 is provided with a snap fitting 23 and two positioning locating snap fit 24 . 所述装配定位卡扣23和所述吻合定位卡扣24从所述外环壳体21 —侧沿所述外筒22内壁呈三角形布置,两个所述吻合定位卡扣24的宽度可以与所述“几”形圆弧片12的中空部位宽度相同,这样在所述吻合器吻合后,所述吻合定位卡扣24能够对所述“几”形圆弧片12进行稳固固定。 The positioning assembly 23 and the snap-fit ​​locating snap from the outer housing 24 21 - triangle shape along the side of the inner wall of the outer tube 22, the snap fit two positioning width 24 may be the He said "a few" shaped hollow portion 12 arc-shaped pieces of the same width, so that after the stapling, the stapling positioning buckle 24 can be securely fixed to the "several" shaped arcuate plate 12.

[0034] 装配定位卡扣23用于初始的装配的时候将内环组件I的连接部122卡住定位,由于装配定位卡扣23只有一个,这种定位仅仅是简单定位,并没有完全卡死。 When [0034] 23 for snap fitting the initial positioning of the mounting assembly of the inner ring portion 122 connected to I caught positioning, since the assembly 23 is only a snap-positioning, such positioning is merely a simple positioning, not completely stuck . 当吻合器完全定位装配好之后,用力将内环组件I和外环组件2扣紧,两个吻合定位卡扣24刚好将内环组件I的连接部122卡住,这样在所述吻合器吻合后,所述吻合定位卡扣24能够对所述“几”形圆弧片12进行稳固固定。 When the stapler is positioned completely assembled, the inner ring force component I and the outer ring fastening assembly 2, two snap-fit ​​24 just positioning the inner ring portion 122 connected to the I component caught, so that said stapling after positioning the buckle 24 can be fit securely fixed to the "several" shaped arcuate plate 12.

[0035] 参见图1、3、4所示,在另一个具体实施例中,所述胃肠道吻合器进一步包括手柄组件3,所述手柄组件3包括柄体31,所述柄体31前端设有与柄体31活动连接的手柄定位卡32,与现有技术不同的是,所述手柄定位卡32是并排设置的两个凸起,所述两个凸起之间的宽度正好可以使装配定位卡扣23从其中通过。 [0035] Referring to Figure 1,3,4, In another embodiment, the gastrointestinal stapling assembly further comprises a handle 3, the handle assembly 3 comprises a shank 31 distal end 31, the handle body the card connector is provided with a handle 31 positioned operation lever body 32, unlike the prior art is that the handle 32 is two card positioning projections arranged side by side, a width between the two projections can be made precisely snap fitting 23 positioned therethrough. 操作时,手柄组件3由内环组件I的通孔中穿过,然后通过按压操作使得手柄定位卡32卡在内环组件I的连接部122位置处。 In operation, the inner handle assembly by the assembly 3 through the through hole I, and then by pressing the operation card 32 is positioned such that the handle connecting portion 122 at the card position I of the inner ring assembly. 这样在所述内环组件I上就不需要专门针对所述手柄定位卡32设计手柄定位孔,大大简化了所述内环组件I的设计和生产工艺要求。 Thus on the inner ring assembly I do not need to handle the specific design of the handle is positioned card positioning holes 32, the inner ring assembly simplifies the design and production processes I requirements.

[0036]参见图3-6所示,在另一个具体实施例中,优选地,所述外筒22内侧对应每个所述“几”形圆弧片12设置有两条导向筋25。 As shown in [0036] Referring to Figures 3-6, in another embodiment, preferably, the inside of the outer cylinder 22 corresponding to each of the "several" shaped arcuate plate 12 is provided with two guide ribs 25. 通过两侧的所述导向筋25的夹持定位,所述“几”形圆弧片12可以更方便快捷的插入所述外筒22。 Held in position by ribs 25 on both sides of the guide, the "few" shaped arcuate plate 12 may be more convenient to the outer tube 22 is inserted.

[0037] 在一个优选实施例中,所述外筒22在远离所述外环壳体21 —侧对应于每个所述“几”形圆弧片12设置有一个凸起部26,所述内环壳体11在与所述“几”形圆弧片12的连接处,对应于所述“几”形圆弧片12的中空部位设置有中空凹槽13。 [0037] In a preferred embodiment, the outer cylinder 22 remote from the outer housing 21 - corresponding to each side of the "several" shaped arcuate plate 12 is provided with a raised portion 26, said inner housing 11 with the "several" circular arc-shaped connection piece 12, which corresponds to the "several" hollow portion of the arc-shaped piece 12 is provided with a hollow recess 13. 在所述内环组件I与外环组件2的吻合过程中,所述凸起部26可以沿着所述“几”形圆弧片12 —直插入到所述中空凹槽13,这样可以有利于所述内环组件I与外环组件2的装配定位。 I in the inner ring and the outer ring assembly during stapling assembly 2, the raised portion 26 may be "several" shape along the arc-shaped pieces 12 - is inserted into the hollow linear groove 13, which can have I favor the inner ring assembly and the mounting assembly of the outer ring 2 is positioned.

[0038] 此外,在一个优选实施例中,所述凸起部26两侧与所述外筒22底部的连接处还可以设置肩台261,这样在所述凸起部26插入到所述中空凹槽13后,所述凸起部26两侧的肩台261可以与所述中空凹槽13两侧的所述内环壳体11紧密结合,有利于所述内环组件I与外环组件2的结合紧密性。 [0038] Further, in a preferred embodiment, the boss portion 26 is connected at both sides of the bottom of the outer tube 22 may also be provided a shoulder 261, so that the boss portion 26 is inserted into the hollow after the grooves 13, 26 on both sides of the shoulder portion 261 of the boss 11 can be closely integrated with the inner sides of the hollow housing recess 13, it is conducive to the inner ring and the outer ring assembly component I 2 tight binding.

[0039]另外,现有的采用可降解材料制备的胃肠道吻合器,均由其自然降解,也就意味着在降解过程中,胃肠道吻合器会降解为大小不均匀的碎片,因此整个胃肠道吻合器降解的时间和过程均不可控,如果胃肠道吻合器降解过程中产生的碎片较大,有可能游离至人体内部的其他位置,给患者带来不适。 [0039] Further, the conventional stapler gastrointestinal use may be made of degradable materials, degradation by its nature, which means during degradation, gastrointestinal stapling degrade to non-uniform size fragments, so the entire gastrointestinal tract stapler degradation of time and processes are not controlled, if debris gastrointestinal stapler degradation process produces large, there may be free to other locations within the human body, discomfort to the patient. 因此,在一个优选实施例中,如图2所示,在内环组件I的内环壳体11以及外环组件2的外环壳体21的周边均匀设置有多个预制破碎凹槽41。 Accordingly, in a preferred embodiment, as shown in FIG inner periphery of the inner housing assembly 11 of the I component of the outer ring and an outer ring 21 of the housing 2 2 provided with a plurality of uniformly preformed breaking grooves 41. 预制破碎凹槽41的设置目的就在于提供一种预制破片结构,可以使得内环组件I和外环组件2在降解过程中降解到预制破碎凹槽41位置时,以预制破碎凹槽41为边界分解为若干个大小比较均匀的碎片,这样就便于人体组织吸收。 Prefabricated fragmentation grooves 41 is provided on the object to provide a prefabricated structural fragment may be such that the inner ring and the outer ring assembly components I degrade the preformed breaking 2 position of the groove 41 during degradation, prefabricated break groove 41 as a boundary decomposed into a number of uniform sized pieces, so easy to absorb body tissue.

[0040] 本发明所提供的胃肠道吻合器具有结构简单,容易制造,容易定位,用料少的优点,能够有效节约所需使用的可生物降解材料的用量,简化生产工艺,降低生产成本。 [0040] The present invention provides a gastrointestinal stapler having a simple structure, easy to manufacture, easy to locate, with the advantages of less material, can effectively save the amount of biodegradable material required to be used, simplify the production process and reduce production costs .

[0041] 本领域技术人员应当理解,虽然本发明是按照多个实施例的方式进行描述的,但是并非每个实施例仅包含一个独立的技术方案。 [0041] Those skilled in the art will appreciate that while the present invention has been described in accordance with various embodiments of the embodiment, but every embodiment may not only comprise a separate aspect. 说明书中如此叙述仅仅是为了清楚起见,本领域技术人员应当将说明书作为一个整体加以理解,并将各实施例中所涉及的技术方案看作是可以相互组合成不同实施例的方式来理解本发明的保护范围。 So recited specification merely for the sake of clarity, those skilled in the specification should be understood as a whole, and involved in the embodiment considered aspect can be combined with each other to form different embodiments described embodiments of the present invention is to be understood that the scope of protection.

[0042] 以上所述仅为本发明示意性的具体实施方式,并非用以限定本发明的范围。 [0042] The above are only exemplary embodiments of the present invention are described, not intended to limit the scope of the present invention. 任何本领域的技术人员,在不脱离本发明的构思和原则的前提下所作的等同变化、修改与结合,均应属于本发明保护的范围。 Anyone skilled in the art, equivalent variations made without departing from the spirit and principle of the present invention is provided, in combination with the modifications shall fall within the scope of protection of the present invention.

Claims (10)

1.一种胃肠道吻合器,其包括均由可生物降解材料制成的可滑动连接的内环组件与外环组件,所述内环组件包括底面设置有通孔的半球形的内环壳体,所述外环组件包括底面设置有通孔的半球形的外环壳体以及与所述外环壳体连接的外筒,其特征在于,所述内环组件设置有至少两个间隔分布的、沿所述内环壳体的通孔的圆弧边均匀分布的“几”形圆弧片;所述“几”形圆弧片的底部与所述内环壳体连接,顶部宽度小于底部宽度,所述“几”形圆弧片从底部到顶部向所述内环壳体外侧倾斜。 A gastrointestinal anastomosis, comprising an inner ring assembly may be made by biodegradable materials slidably connected to the assembly of the outer ring, the inner ring assembly includes an inner bottom surface is provided with a through hole hemispherical a housing assembly including a bottom surface of the outer ring is provided with a through hole hemispherical outer housing and the outer barrel connected to the outer housing, wherein the inner ring assembly is provided with at least two spaced distributed along a circular arc of the inner housing through holes evenly distributed sides "a few" shaped arc-shaped pieces; the "few" arc-shaped bottom sheet and the inner ring connected to the housing, a top width is smaller than the width of the bottom, said "a few" sheet-shaped arc from bottom to top is inclined toward the outside of the inner housing.
2.根据权利要求1所述的胃肠道吻合器,其特征在于,所述“几”形圆弧片为中空的圆弧形板状结构。 The gastrointestinal stapler according to claim 1, characterized in that the "few" arc-shaped piece hollow arcuate plate-like structure.
3.根据权利要求1-2所述的胃肠道吻合器,其特征在于,所述外环组件的外筒在远离所述外环壳体一侧对应于每个所述“几”形圆弧片设置有一个凸起部;所述内环壳体在与所述“几”形圆弧片的连接处,对应于所述“几”形圆弧片的中空部位设置有中空凹槽;所述凸起部两侧与所述外筒底部的连接处还设置肩台,所述肩台可与所述中空凹槽两侧的所述内环壳体紧密结合。 The gastrointestinal stapler 1-2, characterized in that said outer ring assembly away from said outer cylinder housing outer side corresponding to each of the "several" round shaped as claimed in claim arc plate is provided with a boss portion; said inner housing at the connection to the "several" arc-shaped piece corresponding to the "several" shaped hollow portion of the arc-shaped pieces provided with a hollow recess; both sides of the raised bottom portion connecting the outer tube provided at the shoulder, the shoulder can be closely integrated with the inner ring grooves on both sides of the hollow housing.
4.根据权利要求1-3之一所述的胃肠道吻合器,其特征在于,所述外筒内侧对应每个所述“几”形圆弧片的连接部设置有至少一个卡扣。 According to claim gastrointestinal stapler according to one of claims 1-3, characterized in that, inside the outer cylinder corresponding to each of the "several" shaped connecting portion arc-shaped pieces provided with at least one snap.
5.根据权利要求4所述的胃肠道吻合器,其特征在于,所述外筒内侧对应每个所述“几”形圆弧片设置有一个装配定位卡扣和两个吻合定位卡扣。 The gastrointestinal stapling claim 4, characterized in that, inside the outer cylinder corresponding to each of the "several" shaped arcuate plate positioning assembly is provided with a snap fit and positioning two snap claim .
6.根据权利要求5所述的胃肠道吻合器,其特征在于,两个所述吻合定位卡扣的宽度与所述“几”形圆弧片的中空部位宽度相同。 Gastrointestinal stapler according to claim 5, characterized in that the two snap-fit ​​locating the width of the "several" shaped hollow portion of the arc-shaped pieces of the same width.
7.根据权利要求1所述的胃肠道吻合器,其特征在于,所述外环壳体与所述内环壳体上均对应设置有多个方形通孔。 The gastrointestinal stapler according to claim 1, wherein said outer housing and said inner housing are provided corresponding to a plurality of rectangular through holes.
8.根据权利要求1所述的胃肠道吻合器,其特征在于,所述胃肠道吻合器进一步包括由可生物降解材料制成的手柄组件,所述手柄组件包括柄体,所述柄体前端设有与柄体活动连接的手柄定位卡,所述手柄定位卡是并排设置的两个凸起,所述两个凸起之间的宽度正好可以使装配定位卡扣从其中通过,所述手柄定位卡可卡在所述内环组件的连接部位置处。 The gastrointestinal stapler according to claim 1, wherein said gastrointestinal stapler further includes a handle assembly may be made of a biodegradable material, the handle assembly includes a handle body, the handle positioning the front end of the card connector is provided with a handle shank activity of the handle are two positioning projections cards arranged side by side, a width between the two projections positioned just to make snap fitting therethrough, the said handle is positioned at the card card connector assembly position the inner ring.
9.根据权利要求1-8之一所述的胃肠道吻合器,其特征在于,所述外筒内侧对应每个所述“几”形圆弧片设置有两条导向筋。 According to claim gastrointestinal stapler according to one of 1-8, wherein said outer cylinder corresponding to the inside of each of the "several" shaped plate is provided with two arcuate guide rib.
10.根据权利要求1-9之一所述的胃肠道吻合器,其特征在于,在所述内环组件的内环壳体以及外环组件的外环壳体的周边均匀设置有多个预制破碎凹槽。 According to claim gastrointestinal stapler of claim 1-9, characterized in that the inner periphery of the inner housing and the outer housing assembly of the outer ring assembly is provided with a plurality of uniformly breaking preformed groove.
CN201310514851.3A 2013-10-25 2013-10-25 Gut and stapler CN103519859B (en)

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CN105534556A (en) * 2016-02-26 2016-05-04 杭州越阡生物科技有限公司 Gastrointestinal tract anastomosis ring
CN105559844A (en) * 2016-02-26 2016-05-11 杭州越阡生物科技有限公司 Anastomosis ring
CN105852917A (en) * 2016-04-19 2016-08-17 杭州铭众生物科技有限公司 Bypass incision apparatus for enterostomy

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CN104083186A (en) * 2014-06-16 2014-10-08 禹正杨 Degradable inner buckled type intestine auxiliary anastomotic device
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