WO2017045287A1 - 带有钉体助脱板的外扩式医用缝合钉 - Google Patents

带有钉体助脱板的外扩式医用缝合钉 Download PDF

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WO2017045287A1
WO2017045287A1 PCT/CN2015/098397 CN2015098397W WO2017045287A1 WO 2017045287 A1 WO2017045287 A1 WO 2017045287A1 CN 2015098397 W CN2015098397 W CN 2015098397W WO 2017045287 A1 WO2017045287 A1 WO 2017045287A1
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nail
rod
shaped
staple
angle
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PCT/CN2015/098397
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English (en)
French (fr)
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周明海
刘晓鹏
张小波
黄燕
李卫东
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江西狼和医疗器械股份有限公司
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Publication of WO2017045287A1 publication Critical patent/WO2017045287A1/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
    • A61B17/32—Surgical cutting instruments
    • A61B17/326—Circumcision apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/064—Surgical staples, i.e. penetrating the tissue

Definitions

  • the invention relates to a medical staple, in particular to a staple for circumcision.
  • the patent name is a staple, which relates to a staple comprising a first nail body and a second nail body, the first nail body and The second nail body is intertwined to form a spiral portion; the first nail body and the second nail body are located at one end of the same side of the spiral portion, respectively extending in a direction perpendicular to the spiral portion to form a first crown portion and a second crown portion; The first nail leg portion and the second nail leg portion are formed at intervals along a direction parallel to the spiral portion, and the other ends of the first nail body and the second nail body on the same side of the spiral portion.
  • the staples described above have a tightly stitched tissue, are well formed, and are also suitable for surgical sutures of relatively thick tissues and organs. The above patents are completely different from the structure of this patent.
  • the State Intellectual Property Office published the patent number 103405264A, which is patented for the characteristics of circumcision. It consists of a nail and a connecting beam. Its structural feature is that the nail is slender. a structure, a plurality of nail legs are connected to the connecting beam of the characteristic shape, wherein the connecting beam characteristic shape comprises an elliptical shape, a semi-elliptical shape, a rectangular shape, a semi-rectangular shape or other characteristic shape structure; the main function of the invention is to cut the circumcision ring
  • the operation mouth is sutured at one time, and the direction can be stabilized during the process of being pushed forward, the force is uniform, the suture is accurate, and the tissue wrapping can be prevented after the operation, and the long-term slowing action of the tissue under the surface can promote the whole
  • the suture is self-shedding. It also helps to stop bleeding, align and accelerate healing.
  • the above patents are developed by the company.
  • the characteristic shapes of the connecting beams of the above patents include elliptical, semi-elliptical, rectangular, semi-rectangular or other characteristic shape structures, so that it has a certain effect in preventing tissue wrapping, but affects the stitching effect.
  • the staple legs of the above patent are perpendicular to the connecting beam, rather than a flare, so that when the skin is penetrated into the skin and the anvil is not touched, deformation and bending occur, thereby affecting the success rate of the stitching. This patent is an improvement on the above patent.
  • An externally expanded medical staple with a nail-shaped helper plate comprising a rod-shaped nail angle and a nail beam, the rod-shaped nail angle and the nail beam are all rectangular structures, two rod-shaped nail angles and one nail beam Forming a " ⁇ " structure, the corner of the rod-shaped nail angle and the nail beam joint is an arc angle;
  • the nail beam is provided with a nail body assisting plate, and the side of the nail body assisting plate and the nail beam The upper side or the lower side is butted, and the front and rear panels of the nail body assisting plate are flush with the front and rear sides of the nail beam, respectively.
  • the two rod-shaped nail angles, one nail beam and the nail body helper plate are integrally formed.
  • the radius of the arc angle of the outer side of the corner of the rod-shaped nail angle and the nail beam joint is 0.45 mm, and the radius of the inner arc angle is 0.3 mm.
  • the two rod-shaped nail angles are outwardly inclined to expand outward, and the corners of the outer ends of the two rod-shaped nail corners are cut off to form a corner, and a bevel is formed on the outer side of the end of the rod-shaped nail angle. .
  • the angle of the corner is 42°.
  • the angle between the two rod-shaped nail angles and one of the nail beams is 91° to 100°.
  • the two corners of the nail body assisting plate are arc angles, and the radius of the arc angle is 0.2 mm.
  • the length of the nail body assisting plate is 2 ⁇ 0.02 mm, the width is 0.83 ⁇ 0.02 mm, and the thickness is 0.15 mm; the length of the nail beam is 3.46 mm, the width is 0.4 ⁇ 0.03 mm, and the thickness is 0.15. Mm.
  • the two rod-shaped nail angles, one nail beam and the nail body assisting plate are all made of 316L stainless steel material.
  • the nail body assisting and releasing plate Since the nail body assisting and releasing plate is added, the contact area between the nail beam and the human skin is increased, thereby effectively preventing the skin of the human body from being wrapped by the nail beam, and contributing to the falling off of the nail body;
  • the nail corners can be prevented from being bent inward during the process of penetrating into the skin; and the corners of the outer ends of the two rod-shaped nail corners are cut off to form a corner tip.
  • the outer side of the end of the rod-shaped nail angle forms a slope.
  • the size of the nail beam and the nail body helper plate is the best data obtained after many experiments. If the size of the nail body helper plate is too small, it will not be used. If it is too large, It will affect the stitching effect.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a plan view of Figure 1;
  • Fig. 3 is a perspective view of Fig. 1;
  • an externally expanded medical staple with a nail body assisting plate includes a rod-shaped nail angle 1, a nail beam 2, and a rod-shaped nail angle 3, and a rod-shaped nail angle 1 and
  • the cross section of the nail beam 2 is a rectangular structure, and two rod-shaped nail angles 1 and one nail beam 2 constitute a " ⁇ " structure, and the corners of the rod-shaped nail angle 1 and the rod-shaped nail angle 3 respectively connected with the nail beam 2 are respectively
  • the outer arc angle 4 has a radius of 0.45 mm
  • the inner arc angle 5 has a radius of 0.3 mm
  • the nail beam 2 is provided with a nail body assisting plate 6 on the side of the nail body assisting plate 6 Abutting the upper side or the lower side of the nail beam 2, and the front and rear plate faces of the nail body assisting plate 6 are flush with the front and rear sides of the nail beam 2, that is, the thickness of the nail body assisting plate 6 and the nail beam 2. the same.
  • the rod-shaped nail angle 1, the nail beam 2, the rod-shaped nail angle 3 and the nail-shaped auxiliary strip 6 are all made of 316L stainless steel material, and when processed, the rod-shaped nail angle 1, the nail beam 2, the rod-shaped nail angle 3 and The nail body assisting plate 6 is integrally formed.
  • the angle between the rod-shaped nail angle 1 and the rod-shaped nail angle 3 and the nail beam 2 is 91° to 100°, respectively, so that the rod-shaped nail angle 1 and the rod-shaped nail angle 3 are outwardly inclined to expand outward, and the rod-shaped nails
  • the corners of the end portion 7 of the corner 1 and the rod-shaped nail angle 3 are cut away to form an angled tip, the angle A of the corner tip is 42°, and a bevel is formed on the outer side of the end portion of the rod-shaped nail angle, when the rod-shaped nail angle When the arcuate groove on the anvil is touched, there is an inward thrust so that the two expanded rod angles are bent inward.
  • the length of the nail body assisting plate is 2 ⁇ 0.02 mm, the width is 0.83 ⁇ 0.02 mm, the thickness is 0.15 mm, and the two corners 8 of the nail body assisting plate are arc angles, and the radius of the arc angle is 0.2 mm;
  • the nail beam has a length of 3.46 mm, a width of 0.4 ⁇ 0.03 mm, and a thickness of 0.15 mm.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Surgical Instruments (AREA)

Abstract

一种带有钉体助脱板（6）的外扩式医用缝合钉，包括杆状钉角（1）和钉梁（2），杆状钉角（1）和钉梁（2）的截面都是长方形结构，两个杆状钉角（1）和一个钉梁（2）构成"Π"结构，杆状钉角（1）和钉梁（2）连接处的拐角为圆弧角；钉梁（2）上设有钉体助脱板（6），钉体助脱板（6）的侧面与钉梁（2）的上侧面或下侧面对接，并且钉体助脱板（6）的前后板面分别与钉梁（2）的前后侧面平齐。由于增设了钉体助脱板（6），有助于钉体的脱落；由于将两个杆状钉角（1）呈外扩状，能防止钉角（1）扎入皮肤的过程中向内折弯，并且两个杆状钉角（1）的端部外侧的角被切除，使杆状钉角（1）的端部外侧形成一个斜面，当杆状钉角（1）触及到钉砧时，就会使外扩的两个杆状钉角（1）向内折弯，这种设计大大提高了缝合手术的成功率。

Description

带有钉体助脱板的外扩式医用缝合钉 技术领域
本发明涉及一种医用缝合钉，具体是一种用于包皮环切的缝合钉。
背景技术
国家知识产权局于2015年7月8日公开了公开号为104758018A，专利名称为缝合钉的专利，该专利涉及一种缝合钉，包括第一钉体及第二钉体，第一钉体与第二钉体相互缠绕形成螺旋部；第一钉体及第二钉体位于螺旋部同一侧的一端分别沿与螺旋部垂直的方向相向延伸形成第一钉冠部及第二钉冠部；第一钉体及第二钉体位于螺旋部同一侧的另一端分别沿与螺旋部平行的方向间隔延伸形成第一钉腿部及第二钉腿部。上述缝合钉具有缝合组织紧密、成型优良，并且还适用于相对较厚的组织和器官的外科缝合中等特点。上述专利与本专利的结构完全不同。
国家知识产权局于2013年11月27日公开了公开号为103405264A，专利名称为用于包皮环切的特征缝合钉的专利，它包括钉脚和连接梁,其结构特点是钉脚为细长结构，若干个钉脚连接在特征形状的连接梁上，所述的连接梁特征形状包括椭圆形、半椭圆形、矩形、半矩形或其它特征形状结构；本发明主要作用是将包皮环切后的术口一次性进行缝合，在被推向前行过程中可稳定方向，受力均匀，缝合精准，术后可防止组织包裹，同时面下组织对梁面的长时间缓推作用可促进整个缝合钉的自行脱落。还以利于术口止血、对合整齐和加快愈合。
上述专利是本公司研发的，上述专利的连接梁的特征形状包括椭圆形、半椭圆形、矩形、半矩形或其它特征形状结构，故在防止组织包裹方面有一定的作用，但影响了缝合效果；另外，上述专利的钉脚与连接梁是垂直的，而不是一个扩口，故在穿入皮肤，且没有接触到钉砧时，就发生了变形弯曲，从而影响了缝合的成功率。本专利是对上述的专利的改进。
上述论述内容目的在于向读者介绍可能与下面将被描述和/或主张的本发明的各个方面相关的技术的各个方面，相信该论述内容有助于为读者提供背景信息，以有利于更好地理解本发明的各个方面，因此，应以了解的角度来阅读这些论述，而不是承认现有技术。
发明内容
本发明的目的是提供一种有助于钉体的脱落并且能大大提高了缝合手术的成功率的带有钉体助脱板的外扩式医用缝合钉。
为实现上述目的，本发明所采用的技术方案是：
一种带有钉体助脱板的外扩式医用缝合钉，包括杆状钉角和钉梁，杆状钉角和钉梁的截面都是长方形结构，两个杆状钉角和一个钉梁构成“П”结构，所述杆状钉角和钉梁连接处的拐角为圆弧角；所述钉梁上设有钉体助脱板，所述钉体助脱板的侧面与钉梁的上侧面或下侧面对接，并且钉体助脱板的前后板面分别与钉梁的前后侧面平齐。
进一步地，所述两个杆状钉角、一个钉梁和钉体助脱板一体成型。
进一步地，所述杆状钉角和钉梁连接处的拐角的外侧的圆弧角的半径为0.45mm，内侧的圆弧角的半径为0.3mm。
进一步地，使两个杆状钉角向外倾斜呈外扩状，且两个杆状钉角的端部外侧的角被切除形成角尖，并使杆状钉角的端部外侧形成一个斜面。
进一步地，角尖的夹角为42°。
进一步地，所述两个杆状钉角和一个钉梁的夹角为91°～100°。
进一步地，所述钉体助脱板上的两个拐角为圆弧角，所述圆弧角的半径为0.2mm。
进一步地，所述钉体助脱板的长度为2±0.02mm，宽度为0.83±0.02mm，厚度为0.15mm；所述钉梁的长度为3.46mm，宽度为0.4±0.03mm，厚度为0.15mm。
进一步地，所述两个杆状钉角、一个钉梁和钉体助脱板都是由316L不锈钢材料制成。
本发明的有益效果：
由于增设了钉体助脱板，从而增加了钉梁与人体皮肤的接触面积，从而有效防止了人体的皮将钉梁包裹的情况，有助于钉体的脱落；
由于将两个杆状钉角向外倾斜呈外扩状，能防止钉角扎入皮肤的过程中向内折弯；并且两个杆状钉角的端部外侧的角被切除形成角尖，使杆状钉角的端部外侧形成一个斜面，当杆状钉角触及到钉砧上的弧形槽时，就会有一个向内的推力，从而使外扩的两个杆状钉角向内折弯，这种设计保证钉角只有遇到钉砧时才向内折弯，否则不会向内折弯，从而大大提高了缝合手术的成功率；
由于将所有拐角都设计成圆弧角的形式，以免伤皮肤，使缝合钉更加安全可靠；
另外，值得强调的是，钉梁和钉体助脱板的尺寸，是经过多次实验而得到的最佳数据，如果钉体助脱板尺寸过小，则会不起使用，如果过大，则会影响缝合效果。
附图说明
利用附图对本发明作进一步说明，但附图中的实施例不构成对本发明的任何限制， 对于本领域的普通技术人员，在不付出创造性劳动的前提下，还可以根据以下附图获得其它的附图。
下面结合附图和具体实施方式对本发明作进一步详细说明：
图1为本发明的结构示意图；
图2为图1所示的俯视图；
图3为图1所示的立体图。
图中：1、杆状钉角；2、钉梁；3、杆状钉角；4、外侧的圆弧角；5、内侧的圆弧角；6、钉体助脱板；7、端部外侧；8、拐角；Α、夹角。
具体实施方式
为了使本领域的技术人员更好地理解本发明的技术方案，下面结合附图和具体实施例对本发明作进一步详细的描述，需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
如图1、2、3所示，一种带有钉体助脱板的外扩式医用缝合钉，包括杆状钉角1、钉梁2和杆状钉角3，杆状钉角1和钉梁2的截面都是长方形结构，两个杆状钉角1和一个钉梁2构成“П”结构，所述杆状钉角1和杆状钉角3分别与钉梁2连接处的拐角的外侧的圆弧角4的半径为0.45mm，内侧的圆弧角5的半径为0.3mm；所述钉梁2上设有钉体助脱板6，所述钉体助脱板6的侧面与钉梁2的上侧面或下侧面对接，并且钉体助脱板6的前后板面分别与钉梁2的前后侧面平齐，也就是说，钉体助脱板6和钉梁2的厚度相同。
杆状钉角1、钉梁2、杆状钉角3和钉体助脱板6都是由316L不锈钢材料制成，加工时，杆状钉角1、钉梁2、杆状钉角3和钉体助脱板6一体成型。
杆状钉角1和杆状钉角3分别与钉梁2的夹角为91°～100°，使杆状钉角1和杆状钉角3向外倾斜呈外扩状，并且杆状钉角1和杆状钉角3的端部外侧7的角被切除形成角尖，角尖的夹角A为42°，并使杆状钉角的端部外侧形成一个斜面，当杆状钉角触及到钉砧上的弧形槽时，就会有一个向内的推力，从而使外扩的两个杆状钉角向内折弯。
钉体助脱板的长度为2±0.02mm，宽度为0.83±0.02mm，厚度为0.15mm，钉体助脱板上的两个拐角8为圆弧角，圆弧角的半径为0.2mm；所述钉梁的长度为3.46mm，宽度为0.4±0.03mm，厚度为0.15mm。
以上所述是本发明的优选实施方式而已，当然不能以此来限定本发明之权利范围，应当指出，对于本技术领域的普通技术人员来说，对本发明的技术方案进行修改或者等同替换，都不脱离本发明技术方案的保护范围。

Claims (9)

  1. 一种带有钉体助脱板的外扩式医用缝合钉，包括杆状钉角和钉梁，杆状钉角和钉梁的截面都是长方形结构，两个杆状钉角和一个钉梁构成“П”结构，其特征在于：所述杆状钉角和钉梁连接处的拐角为圆弧角；所述钉梁上设有钉体助脱板，所述钉体助脱板的侧面与钉梁的上侧面或下侧面对接，并且钉体助脱板的前后板面分别与钉梁的前后侧面平齐。
  2. 根据权利要求1所述的带有钉体助脱板的外扩式医用缝合钉，其特征在于：所述两个杆状钉角、一个钉梁和钉体助脱板一体成型。
  3. 根据权利要求1所述的带有钉体助脱板的外扩式医用缝合钉，其特征在于：所述杆状钉角和钉梁连接处的拐角的外侧的圆弧角的半径为0.45mm，内侧的圆弧角的半径为0.3mm。
  4. 根据权利要求1至3任一项所述的带有钉体助脱板的外扩式医用缝合钉，其特征在于：两个杆状钉角向外倾斜呈外扩状，且两个杆状钉角的端部外侧的角被切除形成角尖，并使杆状钉角的端部外侧形成一个斜面。
  5. 根据权利要求4所述的带有钉体助脱板的外扩式医用缝合钉，其特征在于：所述两个杆状钉角和一个钉梁的夹角为91°～100°。
  6. 根据权利要求4所述的带有钉体助脱板的外扩式医用缝合钉，其特征在于：角尖的夹角为42°。
  7. 根据权利要求2所述的带有钉体助脱板的外扩式医用缝合钉，其特征在于：所述钉体助脱板上的两个拐角为圆弧角，所述圆弧角的半径为0.2mm。
  8. 根据权利要求4所述的带有钉体助脱板的外扩式医用缝合钉，其特征在于：所述钉体助脱板的长度为2±0.02mm，宽度为0.83±0.02mm，厚度为0.15mm；所述钉梁的长度为3.46mm，宽度为0.4±0.03mm，厚度为0.15mm。
  9. 根据权利要求4所述的带有钉体助脱板的外扩式医用缝合钉，其特征在于：所述两个杆状钉角、一个钉梁和钉体助脱板都是由316L不锈钢材料制成。
PCT/CN2015/098397 2015-09-18 2015-12-23 带有钉体助脱板的外扩式医用缝合钉 WO2017045287A1 (zh)

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CN107411790A (zh) * 2016-05-24 2017-12-01 温州冠美医疗科技有限公司 一种包皮切割器的l型缝合钉
CN106236165A (zh) * 2016-09-08 2016-12-21 无锡市瑞源普斯医疗器械有限公司 一次性包皮切割吻合器腰形缝合钉

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