CN100522075C - Arc type nail for surgical binding instrument - Google Patents

Abstract

Translated fromChinese

本发明提供一种外科装订仪使用的弧形钉，包括钉冠和钉脚，钉冠部位或钉脚部位至少有一处呈弧形形状；与钉脚方向相垂直的平面为参考平面，钉冠上弧形所在的平面与参考平面的夹角为0°～180°；钉冠上弧形的弧度为π/6～π；钉冠上可有两段或两段以上弧形连接形成曲线形。具体手术应用时：弧形钉存放于装订仪钉仓的钉槽内，待吻合的组织就位后，通过装订仪的击发机构实施击发，预先存放在钉仓内部各个钉槽当中的弧形钉沿轴向向外发散，与钉子成型槽配合起来对两组织进行吻合。本发明弧形钉形成的吻合环的直径要比直线钉形成的吻合环的直径大，既便于术后器械取出，也更符合组织的生理形态，利于组织术后愈合，大大提高了手术效果。

The invention provides an arc-shaped nail used by a surgical stapler, including a nail crown and a nail foot, at least one of the nail crown or the nail foot is in an arc shape; the plane perpendicular to the direction of the nail foot is a reference plane, and the nail crown The angle between the plane where the upper arc is located and the reference plane is 0°~180°; the arc of the upper arc of the nail crown is π/6~π; two or more arcs can be connected to form a curved shape on the nail crown . For specific surgical applications: the arc-shaped nails are stored in the nail slots of the staple bin, and after the anastomotic tissue is in place, the firing mechanism is used to fire the staples, and the arc-shaped nails are pre-stored in each nail slot inside the staple bin It diverges outward along the axial direction, and cooperates with the nail forming groove to anastomose the two tissues. The diameter of the anastomotic ring formed by the arc-shaped nails is larger than that of the straight nails, which facilitates the removal of postoperative instruments and is more in line with the physiological shape of the tissue, which is beneficial to the postoperative healing of the tissue and greatly improves the surgical effect.

Description

Translated fromChinese

外科装订仪使用的弧形钉Curved staples for surgical staplers

技术领域technical field

本发明涉及一种用于外科手术的缝合钉，尤其涉及一种外科装订仪使用的弧形钉，属于医疗器械技术领域。The invention relates to a staple used in surgical operations, in particular to an arc-shaped staple used in a surgical stapler, and belongs to the technical field of medical instruments.

背景技术Background technique

对食管、胃、肠道等生理组织进行外科吻合手术时经常使用一种医疗器械——外科装订仪，其吻合方式有端端吻合、端侧吻合、侧侧吻合等，这类仪器的诞生使得外科医生伏在手术台上的时间大大减少，提高了医生的工作效率，也进一步保证了手术的成功率。A kind of medical instrument—surgical stapler is often used in surgical anastomosis of physiological tissues such as esophagus, stomach, and intestinal tract. The anastomosis methods include end-to-end anastomosis, end-to-side anastomosis, and side-to-side anastomosis. The time spent by the surgeon on the operating table is greatly reduced, which improves the doctor's work efficiency and further ensures the success rate of the operation.

外科装订仪采用订书机的原理，把钉装入钉头组件内的钉仓，将需要吻合的组织放在钉砧组件与钉头组件之间，调整钉砧组件与钉头组件之间的距离至合适的距离，然后击发把手组件，钉被推出钉头组件，穿入待吻合的组织，钉在钉砧的作用下弯曲成型，将组织牢牢的订在一起。理想的效果要由各个部件的紧密配合才能达到，其中钉的作用非常关键。The surgical stapler adopts the principle of a stapler, puts the staples into the staple magazine in the nail head assembly, puts the tissue to be anastomosed between the nail anvil assembly and the nail head assembly, and adjusts the distance between the nail anvil assembly and the nail head assembly. The distance reaches a suitable distance, and then the handle assembly is fired, the nail is pushed out of the nail head assembly, penetrates into the tissue to be anastomotic, and the nail is bent and formed under the action of the nail anvil, and the tissue is firmly stapled together. The ideal effect can only be achieved by the close cooperation of various parts, and the role of nails is very critical.

钉的形状、钉的长度、钉的数量、钉的材质、钉的排列等因素，都会影响到最终的手术效果。现在使用的钉大多数为直线钉，比如现在普遍应用圆管型装订仪，将若干小的直线钉钉成一圈，形成一个近似圆，为了防止组织内容物从两个钉之间的间隙渗漏，通常要将钉交错排列两圈构成一个吻合环。这样的排列可以基本保证组织内容物不渗漏，但是这样的结构并不是完美的结构，首先为了适应圆管形组织的生理形态，形成比较近似圆的吻合环，钉的长度要很小，这就需要排列大量的小直线钉来形成一个近似圆的吻合环，每个小的直线钉都要对应设置独立的钉孔和钉成型槽，这样不仅加工的难度比较大，还不利于节省材料，成本较高。现在装订仪的手术价格对于普通病人来说还不能被广泛接受，应当使用装订仪的病人没有能力使用，制约了装订仪的推广和发展。The shape of the nail, the length of the nail, the number of the nail, the material of the nail, the arrangement of the nail and other factors will all affect the final surgical effect. Most of the nails used today are straight-line nails. For example, circular tube-type staplers are widely used now, and several small straight-line nails are nailed into a circle to form an approximate circle. In order to prevent the tissue content from leaking from the gap between the two nails , Usually the nails are staggered twice to form an anastomotic ring. Such an arrangement can basically ensure that the contents of the tissue do not leak, but such a structure is not a perfect structure. First, in order to adapt to the physiological shape of the circular tubular tissue, a relatively circular anastomotic ring is formed, and the length of the nails must be very small. It is necessary to arrange a large number of small linear nails to form an approximately circular anastomotic ring. Each small linear nail must be provided with an independent nail hole and nail forming groove, which is not only difficult to process, but also not conducive to saving materials. higher cost. The operation price of binding instrument can not be widely accepted for common patients now, and the patient who should use binding instrument has no ability to use, has restricted the popularization and development of binding instrument.

另外，采用现有缝合钉装订之后，圆形钉砧要从近似圆形的吻合环中退出也不容易，退出时很容易将吻合环撕裂或者将部分钉的成型损坏，一旦损坏了吻合环，就会大量出血，造成吻合口瘘，医生补救手术的难度大大增加，导致手术失败，严重时给病人带来生命危险。In addition, after the existing staples are used for binding, it is not easy for the circular anvil to withdraw from the approximately circular anastomotic ring. When withdrawing, it is easy to tear the anastomotic ring or damage the molding of part of the staples. Once the anastomotic ring is damaged , will cause a large amount of bleeding, resulting in anastomotic leakage, the difficulty of the doctor's remedial operation is greatly increased, leading to the failure of the operation, and in severe cases, it will bring life danger to the patient.

发明内容Contents of the invention

本发明的目的在于克服现有技术的缺陷，提供一种外科装订仪使用的弧形钉，使其兼具现有技术的优点，更好地提高手术效果。The object of the present invention is to overcome the defects of the prior art, and provide an arc-shaped staple used in a surgical stapler, which has the advantages of the prior art and better improves the operation effect.

本发明的目的通过以下技术方案来实现：The purpose of the present invention is achieved through the following technical solutions:

外科装订仪使用的弧形钉，包括钉冠和钉脚，其特征在于：所述钉冠部位或钉脚部位至少有一处呈弧形形状。The arc-shaped nail used by the surgical stapler includes a nail crown and a nail foot, and is characterized in that at least one of the nail crown or the nail foot is in an arc shape.

进一步地，上述的外科装订仪使用的弧形钉，与钉脚方向相垂直的平面为参考平面，钉冠上弧形所在的平面与参考平面的夹角为0°～180°；所述钉冠上弧形的弧度为π/6～π。Further, for the above-mentioned curved nail used by the surgical stapler, the plane perpendicular to the direction of the nail foot is the reference plane, and the angle between the plane where the arc on the nail crown is located and the reference plane is 0° to 180°; the nail The radian of the crowned arc is π/6～π.

更进一步地，上述的外科装订仪使用的弧形钉，所述钉冠上有两段或两段以上弧形连接形成曲线形。Furthermore, for the arc-shaped nail used by the above-mentioned surgical stapler, two or more arc-shaped segments are connected on the nail crown to form a curved shape.

再进一步地，上述的外科装订仪使用的弧形钉，所述钉脚上有两段或两段以上弧形连接形成波浪形或螺旋形。Still further, in the arc-shaped nail used by the above-mentioned surgical stapler, two or more arc-shaped segments are connected on the nail foot to form a wave shape or a spiral shape.

本发明提供了一种外科装订仪使用的弧形钉，与现有技术中各种缝合钉相比，不仅可以适当的增大每个钉的长度，使与钉配合得钉仓、推钉片、钉砧以及钉本身的加工成本降低，还可以减少钉的数量，节约材料，降低装订仪的价格，增大使用率，更重要的是弧形钉形成的吻合环的直径要比直线钉形成的吻合环的直径大，因为直线钉制约钉砧退出的是每个直线钉的中点，而不是直线钉的两端点，而弧形钉制约钉砧的是钉的两端点，吻合环中心到弧形钉两端点的距离要大于中心到直线钉中点的距离，所以弧形钉形成的吻合环的直径要比直线钉形成的吻合环的直径大；使钉砧可以轻松退出吻合环，而不会损坏吻合环；由于弧形钉形成的吻合环更符合人体的生理形态，所以比较有利于组织术后愈合，大大提高了手术效果，为医生减轻了压力，为病人带来了福音。The invention provides an arc-shaped staple used in a surgical stapler. Compared with various staples in the prior art, the length of each staple can be appropriately increased, and the staple cartridge and the staple push piece can be matched with the staple. , nail anvil and the processing cost of the nail itself can be reduced, the number of nails can also be reduced, materials can be saved, the price of the binding instrument can be reduced, and the utilization rate can be increased. The diameter of the anastomotic ring is large, because the linear nail restricts the exit of the anvil from the midpoint of each straight nail, rather than the two ends of the straight nail, while the curved nail restricts the anvil from the two ends of the nail, and the center of the anastomotic ring to The distance between the two ends of the arc-shaped nail is greater than the distance from the center to the midpoint of the straight-line nail, so the diameter of the anastomotic ring formed by the arc-shaped nail is larger than that of the straight-line nail; the anvil can easily exit the anastomotic ring, and the The anastomotic ring will not be damaged; because the anastomotic ring formed by the arc-shaped nail is more in line with the physiological shape of the human body, it is more conducive to the healing of the tissue after surgery, greatly improving the surgical effect, reducing the pressure on the doctor, and bringing good news to the patient.

附图说明Description of drawings

下面结合附图对本发明技术方案作进一步说明：Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:

图1～图9：本发明九种形式的弧形钉；Fig. 1～Fig. 9: nine kinds of arc-shaped nails of the present invention;

图10～图13：装订仪实施吻合手术的手术过程示意图；Figure 10 to Figure 13: Schematic diagram of the operation process of the anastomosis performed by the stapler;

图14：本发明手术后效果示意图；Figure 14: Schematic diagram of the effect after the operation of the present invention;

图15：背景技术直线型钉手术后的分布状态示意图；Figure 15: Schematic diagram of the distribution state of linear nails in the background art after surgery;

图16和图17：本发明弧形钉手术后的分布状态示意图。Figure 16 and Figure 17: Schematic diagrams of the distribution state of the arc-shaped nails of the present invention after surgery.

附图标记的含义为：1弧形钉，101钉脚，102钉冠，103弧形，2a、2b组织，3切刀，4刀砧，5钉头组件，6钉砧组件，7吻合环。The meanings of reference signs are: 1 arc nail, 101 nail foot, 102 nail crown, 103 arc, 2a, 2b tissue, 3 cutting knife, 4 knife anvil, 5 nail head assembly, 6 nail anvil assembly, 7 anastomotic ring .

具体实施方式Detailed ways

如图1～图9九种形式的弧形钉，包括钉冠102和钉脚101，钉冠部位或钉脚部位至少有一处呈弧形103；与钉脚方向相垂直的平面为参考平面，钉冠上弧形103所在的平面与参考平面的夹角为0°～180°；钉冠上弧形103的弧度为π/6～π；钉冠上可有两段或两段以上弧形连接形成不规则曲线形；钉脚上也可有两段或两段以上弧形连接形成波浪形或螺旋形；弧形钉的材质采用不锈钢或钛或钽或生物可降解材料。As shown in Figures 1 to 9, there are nine forms of arc-shaped nails, includingnail crown 102 andnail foot 101. At least one part of the nail crown or nail foot is arc-shaped 103; the plane perpendicular to the direction of the nail foot is the reference plane, The angle between the plane where thearc 103 on the nail crown is located and the reference plane is 0°-180°; thearc 103 on the nail crown is π/6-π; there can be two or more arcs on the nail crown The connection forms an irregular curve; two or more sections of the nail foot may also be connected in a wavy or spiral shape; the material of the arc nail is stainless steel or titanium or tantalum or biodegradable materials.

需说明的是，图1～图8所示八种形式的弧形钉适用于轴向吻合装订仪，而图9所示的弧形钉适用于径向内吻合装订仪。It should be noted that the eight forms of arc-shaped staples shown in Figures 1 to 8 are suitable for axial staplers, while the arc-shaped staples shown in Figure 9 are suitable for radial inner staplers.

本发明图1～图8所示弧形钉1存放于钉头组件钉仓的钉仓孔内，钉仓孔呈环状排布，每个钉仓孔的通道呈轴向发射状向外延伸，从而在平行于中心轴的方向上形成2个轴向发射环，相邻发射环的钉仓孔位置错开排布。The arc-shaped nails 1 shown in Figures 1 to 8 of the present invention are stored in the magazine holes of the nail head assembly. Two axial launch rings are formed in a direction parallel to the central axis, and the positions of the staple cartridge holes of adjacent launch rings are arranged in a staggered manner.

图9所示弧形钉在应用于径向内吻合装订仪时，弧形钉也同样存放于钉槽内，钉槽呈环状排布，而每个钉槽的通道呈径向发射状向外延伸，从而在垂直于中心轴的方向上形成2个径向发射环，相邻发射环的钉仓孔位置也错开排布。When the arc-shaped nails shown in Figure 9 are applied to the radially inner anastomotic stapler, the arc-shaped nails are also stored in the nail grooves, and the nail grooves are arranged in a ring shape, and the channels of each nail groove are radially radiating toward each other. Outward extension, thereby forming two radial launch rings in the direction perpendicular to the central axis, and the positions of the staple cartridge holes of adjacent launch rings are also staggered.

图10～图13示意了采用本发明弧形钉应用在装订仪进行手术的过程，手术效果如图14所示。手术吻合的具体过程为：Figures 10 to 13 illustrate the process of applying the curved nails of the present invention to the binding instrument for surgery, and the results of the surgery are shown in Figure 14 . The specific process of surgical anastomosis is as follows:

(1)钉砧组件6和钉头组件5处于分开状态，将需要吻合的组织放在钉砧组件6与钉头组件5之间，装订仪顺应组织内容物的正常流动方向，将上游组织作为2a，在钉砧组件6外围打荷包；下游组织作为2b，包裹在钉头组件5外围，可以打荷包也可以不打荷包，根据手术吻合的类型而定；见图10；(1) Thenail anvil assembly 6 and thenail head assembly 5 are in a separated state, and the tissue to be anastomosed is placed between thenail anvil assembly 6 and thenail head assembly 5, and the binding instrument conforms to the normal flow direction of the tissue content, and the upstream tissue is used as 2a, a purse is placed on the periphery of thenail anvil assembly 6; the downstream tissue is used as 2b, wrapped around the periphery of thenail head assembly 5, which can be purseed or not, depending on the type of surgical anastomosis; see Figure 10;

(2)通过装订仪的调节机构调整钉砧组件6与钉头组件5之间的距离至合适的距离，来压紧组织2a、2b，使待吻合的组织2a、2b就位；通过装订仪的击发机构击发预先存放在各个钉仓孔当中的弧形钉，使弧形钉沿轴向向外发散，与钉砧组件上钉子成型槽配合起来对组织2a和2b进行吻合，钉在钉砧的作用下弯曲成型，将组织牢牢的订在一起；同时，切刀3向刀砧4方向快速移动，直至部分进入刀砧4内部，从而对多余的组织进行切除，见图11；(2) Adjust the distance between theanvil assembly 6 and thenail head assembly 5 to a suitable distance through the adjustment mechanism of the binding instrument to compress thetissues 2a, 2b, so that thetissues 2a, 2b to be anastomosed are in place; through the binding instrument The firing mechanism fires the arc-shaped nails pre-stored in each nail magazine hole, so that the arc-shaped nails diverge outward in the axial direction, cooperate with the nail forming groove on the anvil assembly to anastomose thetissues 2a and 2b, and nail them on the anvil Under the action of bending and forming, the tissues are firmly bound together; at the same time, thecutting knife 3 moves rapidly toward theanvil 4 until part of it enters the interior of theanvil 4, thereby resecting excess tissue, as shown in Figure 11;

(3)通过装订仪本体部位的调节机构使钉砧组件6和钉头组件5分开，见图12；(3) Separate theanvil assembly 6 and thenail head assembly 5 through the adjustment mechanism of the main body of the binding instrument, as shown in Figure 12;

(4)吻合过程结束，取出器械。被切除的多余组织也随同器械一同取出，见图13。(4) After the anastomosis process is over, take out the instrument. The excised excess tissue is also taken out together with the instrument, as shown in Figure 13.

从图15所示背景技术直线型钉手术后的分布状态示意图、图16和图17所示本发明弧形钉手术后的分布状态示意图，可以明显表明，弧形钉形成的吻合环的直径要比直线钉形成的吻合环的直径大，因为直线钉制约钉砧退出的是每个直线钉的中点，而不是直线钉的两端点；弧形钉制约钉砧退出的是钉的两端点，吻合环中心到弧形钉两端点的距离要大于吻合环中心到直线钉中点的距离，所以弧形钉形成的吻合环的直径要比直线钉形成的吻合环的直径大；装订完毕后，由于吻合环的直径增大，使钉砧很容易退出，而不会损坏吻合环，由于弧形钉形成的吻合环更适合人体组织的生理形态，所以比较利于组织术后愈合，大大提高了手术效果。From the schematic diagram of the distribution state of the linear nail in the background technology shown in Figure 15 and the distribution state of the arc-shaped nail in the present invention shown in Figure 16 and Figure 17, it can be clearly shown that the diameter of the anastomotic ring formed by the arc-shaped nail should be The diameter of the anastomotic ring formed by the straight nails is larger than that of the straight nails, because the straight nails restrict the withdrawal of the anvil from the midpoint of each straight nail, rather than the two ends of the straight nails; the curved nails restrict the exit of the nail anvil from the two ends of the nails, The distance from the center of the anastomotic ring to the two ends of the arc-shaped nails is greater than the distance from the center of the anastomotic ring to the midpoint of the straight-line nails, so the diameter of the anastomotic ring formed by the arc-shaped nails is larger than the diameter of the anastomotic ring formed by the straight-line nails; after the binding is completed, Due to the increased diameter of the anastomotic ring, the anvil can be easily withdrawn without damaging the anastomotic ring. Since the anastomotic ring formed by the arc-shaped nail is more suitable for the physiological shape of human tissue, it is more conducive to postoperative healing of the tissue and greatly improves the operation efficiency. Effect.

当然，以上仅是本发明的具体应用范例，对本发明的保护范围不构成任何限制。凡采用等同变换或者等效替换而形成的技术方案，均落在本发明权利保护范围之内。Of course, the above are only specific application examples of the present invention, and do not constitute any limitation to the protection scope of the present invention. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (2)

1. the cuved nail that uses of surgical binding instrument, comprise nail hat and nail foot, it is characterized in that: described nail bizet position or nail foot position have the curved shape in a place at least, the plane perpendicular with nail foot direction is reference plane, and the plane at arc place labeled by nail and the angle of reference plane is 0 ° or 180 °.2. the cuved nail that surgical binding instrument according to claim 1 uses, it is characterized in that: it is π/6～π that described nail is labeled arcual radian.

3. the cuved nail that uses according to claim 1 or 2 or 3 described surgical binding instruments is characterized in that: described nail has labeled that arc is connected to form shaped form more than two sections or two sections.

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