WO2021012594A1 - 一种可调节缝线 - Google Patents
一种可调节缝线 Download PDFInfo
- Publication number
- WO2021012594A1 WO2021012594A1 PCT/CN2019/126436 CN2019126436W WO2021012594A1 WO 2021012594 A1 WO2021012594 A1 WO 2021012594A1 CN 2019126436 W CN2019126436 W CN 2019126436W WO 2021012594 A1 WO2021012594 A1 WO 2021012594A1
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- Prior art keywords
- suture
- fixedly connected
- limit
- wall
- gear
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
Definitions
- the invention relates to a suture, in particular to an adjustable suture, and belongs to the technical field of medical sutures.
- Medical sutures are medical sutures used in surgical operations. They are classified into non-absorbable and absorbable by the body.
- the former includes natural fibers and synthetic fibers, and the latter includes natural polymer materials and synthetic polymer materials.
- the existing sutures are relatively fixed in length after being sutured, and are difficult to actively adjust, and are not fully applicable to most of the physiological change processes of tissue suture, fixation and ligation.
- the technical problem to be solved by the present invention is to overcome the defects of the prior art, provide an adjustable suture, and solve the problems existing in the prior art.
- the present invention provides the following technical solutions:
- An adjustable suture of the present invention includes a micro-locking mechanism and a suture main body.
- the micro-locking mechanism is composed of an outer shell, a limiting plate and a pressure limiting wheel.
- a seam is fixedly connected to the outer wall of one end of the outer shell.
- a thread fixing ring one end of the suture body is wound on the ring wall of the suture fixing ring and fixedly connected, the outer shell is away from the suture fixing ring with a wired hole, and the suture body is away from the suture fixing ring.
- One end extends through the wire hole to the inside of the outer shell.
- two of the limiting plate and the pressure limiting wheel are provided, the two limiting plates and the pressure limiting wheel are both provided inside the outer shell, and the two limiting plates
- the plates are respectively arranged at the two ends of the two pressure limiting wheels, and the two limiting plates are fixedly connected to the inner wall of the outer shell, and the two ends of the pressure limiting wheel are respectively fixedly connected with the first rotating shaft and the second rotating shaft, so
- the shaft walls of the first rotating shaft and the second rotating shaft are both rotatably connected with a first limit sliding block, and a first limit sliding groove is provided on the wall of the limit plate corresponding to the first limit sliding block.
- a limit chute is matched with the first limit slider, and the first limit slider is slidably connected to the inside of the first limit chute, and the two first limit sliders are close and relatively far away
- One end of the first elastic spring is fixedly connected with a first elastic spring
- the other end of the first elastic spring is fixedly connected with the inner wall of the first limit chute
- one end of the first shaft passing through the first limit slider is provided with a lock
- Two lock grooves are opened on the lock plate.
- a lock block is arranged inside the lock groove, and the lock block is matched with the lock groove, and the lock block is fixedly connected with the first shaft, and the lock A pressure rod is fixedly connected to the top of the plate, the other end of the pressure rod passes through the outer shell, and a second elastic spring is fixedly connected to the bottom of the lock plate. The other end of the second elastic spring is connected to the adjacent limiter.
- the two second rotating shafts are fixedly connected with the first gear on the shaft wall at one end of the first limit sliding block, the two first gears are meshed and connected, and the inner wall of the outer shell passes through the first gear.
- the three rotating shafts are rotatably connected with a second gear, the second gear is fixedly connected to the shaft wall of the third rotating shaft, and the second gear is meshingly connected with one of the two first gears.
- a second limit slider is fixedly connected to the side walls on both sides of the first limit slider, and the inner walls on both sides of the first limit slide groove correspond to
- the second limit slider is provided with a second limit chute, the second limit chute is matched with the second limit slider, and the second limit slider is slidably connected to the second limit The inside of the chute.
- thirty-six locking teeth are provided on the outer wall of the locking block, and the locking groove is matched with the locking block.
- a pressure plate is fixedly connected to the rod wall of one end of the pressure rod extending out of the outer shell, and a pressure groove corresponding to the pressure plate is provided on the outer wall of the outer shell, and the depth of the pressure groove is greater than that of the lock. The thickness of the stop.
- the diameter of the first gear and the diameter of the second gear are the same, and the number of teeth of the first gear and the second gear are both thirty-six.
- an end of the third rotating shaft away from the second gear extends out of the outer casing, and a shift block is fixedly connected to the shaft wall at one end of the third rotating shaft extending out of the outer casing.
- the suture body is made of a common non-elastic structure medical suture or a highly elastic material.
- the adjustable suture of the present invention can be stretched as the tissue edema and other conditions, and can be shortened as the tissue edema subsides, thereby allowing the tissue to maintain a relatively lasting pressure on the wound during the healing process
- This suture is a low-tension suture that has a slow effect on tissue cutting.
- the present invention uses a micro locking mechanism and the suture itself is highly elastic. After suturing or ligating the tissue, it can be relaxed when the tension is greater than the set range. Suture, make the tension reach the set value range, when the tension is less than the set range, the suture can be tightened to make the tension reach the set range.
- Figure 1 is a schematic diagram of the structure of the present invention
- Figure 2 is a cross-sectional view in the direction of A-A in Figure 1;
- Figure 3 is a schematic view of the structure of the micro-locking mechanism of the present invention when in use;
- Figure 4 is an enlarged view of part B in Figure 2;
- Figure 5 is an enlarged view of part C in Figure 2;
- Figure 6 is a schematic diagram of the structure of the limiting plate in the present invention.
- Figure 7 is a schematic view of the structure of the lock plate of the present invention.
- Fig. 8 is a structural schematic diagram of the meshing connection of the first gear and the second gear in the present invention.
- Miniature locking mechanism 11. Outer shell; 12. Limiting plate; 13. Pressure limiting wheel; 14. First rotating shaft; 15. Second rotating shaft; 16. First limiting slider; 17.
- the present invention provides an adjustable suture, including a micro-locking mechanism 1 and a suture body 2.
- the micro-locking mechanism 1 consists of an outer housing 11, a limiting plate 12, and a pressure limiting wheel. 13, the outer wall of one end of the outer shell 11 is fixedly connected with a suture fixing ring 3, one end of the suture body 2 is wound on the ring wall of the suture fixing ring 3, and the outer shell 11 is away from the seam A wire hole 4 is opened at one end of the thread fixing ring 3, and the end of the suture body 2 away from the suture fixing ring 3 extends through the thread hole 4 to the inside of the outer shell 11.
- the limiting plate 12 and the pressure limiting wheel 13 are both provided with two, the two limiting plates 12 and the pressure limiting wheel 13 are both provided inside the outer shell 11, and the two limiting plates 12 are respectively provided at Both ends of the two pressure limiting wheels 13, and the two limiting plates 12 are fixedly connected to the inner wall of the outer shell 11, and the two ends of the pressure limiting wheel 13 are respectively fixedly connected with a first rotating shaft 14 and a second rotating shaft 15 ,
- the shaft walls of the first rotating shaft 14 and the second rotating shaft 15 are both rotatably connected with a first limiting slider 16, and a first limiting slider 16 is provided on the wall of the limiting plate 12 corresponding to the first limiting slider 16.
- Position chute 17 17.
- the first limit chute 17 is matched with the first limit slider 16, and the first limit slider 16 is slidably connected to the inside of the first limit chute 17, two A first elastic spring 18 is fixedly connected to one end of the first limit sliding block 16 that is close to and relatively far away. The other end of the first elastic spring 18 is fixedly connected to the inner wall of the first limit chute 16.
- a lock plate 112 is provided at one end of the first rotating shaft 14 passing through the first limit sliding block 16, and two lock grooves 113 are opened on the lock plate 112.
- the lock groove 113 is provided with a lock block 111 inside, and the lock block 111 is matched with the lock groove 113, and the lock block 111 is fixedly connected to the first shaft 14, and the top of the lock plate 112
- a pressure rod 114 is fixedly connected, the other end of the pressure rod 114 passes through the outer shell 11, the bottom of the lock plate 112 is fixedly connected to a second elastic spring 117, and the other end of the second elastic spring 117 is adjacent to the
- the limiting plate 12 is fixedly connected, the two second rotating shafts 15 passing through the shaft wall at one end of the first limiting slider 17 are fixedly connected to the first gear 118, and the two first gears 118 are meshed and connected, so
- a second gear 120 is rotatably connected to the inner wall of the outer shell 11 through a third rotating shaft 119, and the second gear 120 is fixedly connected to the shaft wall of the third rotating shaft 119.
- the second gear 120 is connected to two first gears. One of the 118 meshing connections.
- a second limit slider 19 is fixedly connected to the side walls on both sides of the first limit slider 16, and the inner walls on both sides of the first limit slide groove 17 correspond to the second limit slider 19
- a second limit chute 110 is provided, the second limit chute 110 is matched with the second limit slide 19, and the second limit slide 19 is slidably connected to the second limit chute 110's interior.
- a pressing plate 115 is fixedly connected to the rod wall of the pressing rod 114 at one end of the outer shell 11, and a pressing groove 116 is opened on the outer wall of the housing 11 corresponding to the pressing plate 115, and the pressing groove 116 is deeper than the locking block 111. thickness of.
- the diameter of the first gear 118 is the same as the diameter of the second gear 120, and the number of teeth of the first gear 118 and the second gear 120 are both thirty-six.
- An end of the third rotating shaft 119 away from the second gear 120 extends out of the outer casing 11, and the shaft wall at one end of the third rotating shaft 119 extending out of the outer casing 11 is fixedly connected with a shift block 121.
- the suture body 2 uses a common medical suture with a non-elastic structure or is made of a highly elastic material, and the suture body 2 is specifically made of a highly elastic latex material.
- the suture body 2 can be stretched as the tissue edema and other conditions after suturing or ligating the tissue, and can be shortened as the tissue edema subsides, so that the tissue can be wound during the healing process. Maintain a relatively long-lasting pressure.
- This product is a low-tension suture that has a slow effect on tissue cutting, generally more than three days or more before complete cutting.
- this suture uses a high-elastic latex material, which has a strong stretching function and plays a role at the beginning
- the tension of the thread is generally increased by no more than 10 times, and when it is contracted to two thirds of the original, the tension of the thread is reduced by no more than 90%.
- the micro-locking mechanism 1 set in the invention is fixed at both ends of the suture. After suturing or ligating the fixed tissue, the suture can be relaxed when the tension is greater than the set range, so that the tension reaches the set value range, and when the tension is less than the set range The suture can be tightened so that the tension reaches the set range.
- one end of the suture body 2 is wound and fixedly connected to the ring wall of the suture fixing ring 3, and the other end of the suture is aligned with The wound is sutured.
- the end of the suture body 2 away from the suture fixing ring 3 is inserted into the outer shell 11 through the thread hole 4, and the lower pressure rod 114 is pressed by the pressure plate 115, and the pressure plate 115 is pressed to the temple of the pressure groove 116 ,
- the locking block 111 will escape from the locking groove 113 on the locking plate 112, so that the distance between the pressure limiting wheels 13 can be adjusted, which is convenient for the insertion of the suture main body 2, and the suture main body 2 is located on the two pressure limiting wheels 13 In between, the two pressure-limiting wheels 13 move to the adjacent side under the elastic force of the four first elastic springs 18 to clamp the suture body 2, and the third rotating shaft 119 is driven to rotate by the shift block 121 When the third rotating shaft 119 rotate
- the two second gears 120 rotate in the opposite direction, which can drive the suture body 2 to expand and contract, so as to realize the adjustment of the suture.
- the pressing plate 115 is opened, and the pressing plate 115 is reset under the elastic force of the second elastic spring 117.
- the locking block 111 is clamped inside the lock groove 113, so that the two pressure limiting wheels 13 cannot rotate, thereby effectively avoiding The patient accidentally touches the dial 121 and drives the suture to stretch.
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Abstract
本发明公开了一种可调节缝线，包括微型锁止机构和缝线主体，所述微型锁止机构由外壳体、限位板和限压轮组成，所述外壳体一端的外壁上固定连接有缝线固定环，所述缝线主体的一端缠绕在缝线固定环的环壁上固定连接，本发明所达到的有益效果是：本发明一种可调节缝线在缝合或结扎组织后，随着组织的水肿等情况可以拉伸，而随着组织水肿的消退亦可以缩短，从而让组织在愈合过程中伤口保持相对持久的压力，本缝线为低张力缝线对组织切割作用缓慢，另一方面本发明通过设置的微型锁止机构和缝线本身高弹性，在缝合或结扎固定组织后，在张力大于设定范围可放松缝线，使张力达到设定值范围内，在张力小于设定范围则可以收紧缝线，使张力达到设定范围。
Description
本发明涉及一种缝线，特别涉及一种可调节缝线，属于医用缝线技术领域。
医用缝线用于外科手术的医用缝合线，分为非吸收类和可被人体吸收的。前者有天然纤维和合成纤维，后者有天然高分子材料和合成高分子材料。现有的缝线在缝合后长度相对固定，难以主动调节，并不能够充分适用于大部分组织缝合、固定、结扎的生理变化过程。
本发明要解决的技术问题是克服现有技术的缺陷，提供一种可调节缝线，解决了现有技术中存在的问题。
为了解决上述技术问题，本发明提供了如下的技术方案：
本发明一种可调节缝线，包括微型锁止机构和缝线主体，所述微型锁止机构由外壳体、限位板和限压轮组成，所述外壳体一端的外壁上固定连接有缝线固定环，所述缝线主体的一端缠绕在缝线固定环的环壁上固定连接，所述外壳体远离缝线固定环的一端开设有线孔，所述缝线主体远离缝线固定环的一端穿过线孔延伸至外壳体的内部。
作为本发明的一种优选技术方案，所述限位板和限压轮均设置有两个，两个所述限位板和限压轮均设置在外壳体的内部，两个所述限位板分别设置在两个限压轮的两端，且两个所述限位板与外壳体的内壁固定连接，所述限压轮的两端分别固定连接有第一转轴和第二转轴，所述第一转轴和第二转轴的轴壁上均转动连接有第一限位滑块，所述限位板的板壁上对应第一限位滑块开设有第一限位滑槽，所述第一限位滑槽与第一限位滑块相匹配设置，且所述第一限位滑块滑动连接在第一限位滑槽的内部，两个所述第一限位滑块靠近相对远离的一端均固定连接有第一弹力弹簧，所述第一弹力弹簧的另一端与第一限位滑槽的内壁固定连接，所述第一转轴穿过第一限位滑块的一端设置有锁板，所述锁板上开设有两个锁槽。
作为本发明的一种优选技术方案，所述锁槽的内部设置有锁止块，所述锁止块与锁槽相匹配设置，且所述锁止块与第一转轴固定连接，所述锁板的顶部固定连接有压杆，所述压杆的另一端穿过外壳体，所述锁板的底部固定连接有第二弹力弹簧，所述第二弹力弹簧的另一端与相邻的限位板固定连接，两个所述第二转轴穿过第一限位滑块一端的轴壁上均固定连接第一齿轮，两个所述第一齿轮啮合连接，所述外壳体的内壁上通过第三转轴转动连接有第二齿轮，所述第二齿轮固定连接在第三转轴的轴壁上，所述第二齿轮与两个第一齿轮中的一个啮合连接。
作为本发明的一种优选技术方案，所述第一限位滑块两侧的侧壁上均固定连接有第二限位滑块，所述第一限位滑槽两侧的内壁上均对应第二限位滑块开设有第二限位滑槽，所述第二限位滑槽与第二限位滑块相匹配设置，且所述第二限位滑块滑动连接在第二限位滑槽的内部。
作为本发明的一种优选技术方案，所述锁止块的外壁上设置有三十六个锁齿，所述锁槽与锁止块相匹配设置。
作为本发明的一种优选技术方案，所述压杆延伸出外壳体一端的杆壁上固定连接有压板，所述外壳体的外壁上对应压板开设有压槽，所述压槽的深度大于锁止块的厚度。
作为本发明的一种优选技术方案，所述第一齿轮直径的大小和第二齿轮直径的大小相同，且所述第一齿轮和第二齿轮的齿数均为三十六个。
作为本发明的一种优选技术方案，所述第三转轴远离第二齿轮的一端延伸出外壳体，且所述第三转轴延伸出外壳体一端的轴壁上固定连接有拨块。
作为本发明的一种优选技术方案，所述缝线主体使用普通非弹性结构医用缝线或由高弹性材料制成。
本发明一种可调节缝线在缝合或结扎组织后，随着组织的水肿等情况可以拉伸，而随着组织水肿的消退亦可以缩短，从而让组织在愈合过程中伤口保持相对持久的压力，本缝线为低张力缝线对组织切割作用缓慢，另一方面本发明通过设置的微型锁止机构和缝线本身高弹性，在缝合或结扎固定组织后，在张力大于设定范围可放松缝线，使张力达到设定值范围内，在张力小于设定范围则可以收紧缝线，使张力达到设定范围。
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制。在附图中：
图1是本发明的结构示意图；
图2是图1中A-A方向的剖视图；
图3是本发明中微型锁止机构使用时的结构示意图；
图4是图2中B部分的放大图；
图5是图2中C部分的放大图；
图6是本发明中限位板的结构示意图；
图7是本发明中锁板的结构示意图；
图8是本发明中第一齿轮和第二齿轮啮合连接的结构示意图。
图中：1、微型锁止机构；11、外壳体；12、限位板；13、限压轮；14、第一转轴；15、第二转轴；16、第一限位滑块；17、第一限位滑槽；18、第一弹力弹簧；19、第二限位滑块；110、第二限位滑槽；111、锁止块；112、锁板；113、锁槽；114、压杆；115、压板；116、压槽；117、第二弹力弹簧；118、第一齿轮；119、第三转轴；120、第二齿轮；121、拨块；2、缝线主体；3、缝线固定环；4、线孔。
如图1-8所示，本发明提供一种可调节缝线，包括微型锁止机构1和缝线主体2，所述微型锁止机构1由外壳体11、限位板12和限压轮13组成，所述外壳体11一端的外壁上固定连接有缝线固定环3，所述缝线主体2的一端缠绕在缝线固定环3的环壁上固定连接，所述外壳体11远离缝线固定环3的一端开设有线孔4，所述缝线主体2远离缝线固定环3的一端穿过线孔4延伸至外壳体11的内部。
所述限位板12和限压轮13均设置有两个，两个所述限位板12和限压轮13均设置在外壳体11的内部，两个所述限位板12分别设置在两个限压轮13的两端，且两个所述限位板12与外壳体11的内壁固定连接，所述限压轮13的两端分别固定连接有第一转轴14和第二转轴15，所述第一转轴14和第二转轴15的轴壁上均转动连接有第一限位滑块16，所述限位板12的板壁上对应第一限位滑块16开设有第一限位滑槽17，所述第一限位滑槽17与第一限位滑块16相匹配设置，且所述第一限位滑块16滑动连接在第一限位滑槽17的内部，两个所述第一限位滑块16靠近相对远离的一端均固定连接有第一弹力弹簧18，所述第一弹力弹簧18的另一端与第一限位滑槽16的内壁固定连接，所述第一转轴14穿过第一限位滑块16的一端设置有锁板112，所述锁板112上开设有两个锁槽113。
所述锁槽113的内部设置有锁止块111，所述锁止块111与锁槽113相匹配设置，且所述锁止块111与第一转轴14固定连接，所述锁板112的顶部固定连接有压杆114，所述压杆114的另一端穿过外壳体11，所述锁板112的底部固定连接有第二弹力弹簧117，所述第二弹力弹簧117的另一端与相邻的限位板12固定连接，两个所述第二转轴15穿过第一限位滑块17一端的轴壁上均固定连接第一齿轮118，两个所述第一齿轮118啮合连接，所述外壳体11的内壁上通过第三转轴119转动连接有第二齿轮120，所述第二齿轮120固定连接在第三转轴119的轴壁上，所述第二齿轮120与两个第一齿轮118中的一个啮合连接。
所述第一限位滑块16两侧的侧壁上均固定连接有第二限位滑块19，所述第一限位滑槽17两侧的内壁上均对应第二限位滑块19开设有第二限位滑槽110，所述第二限位滑槽110与第二限位滑块19相匹配设置，且所述第二限位滑块19滑动连接在第二限位滑槽110的内部。
所述锁止块111的外壁上设置有三十六个锁齿，所述锁槽113与锁止块111相匹配设置。
所述压杆114延伸出外壳体11一端的杆壁上固定连接有压板115，所述外壳体11的外壁上对应压板115开设有压槽116，所述压槽116的深度大于锁止块111的厚度。
所述第一齿轮118直径的大小和第二齿轮120直径的大小相同，且所述第一齿轮118和第二齿轮120的齿数均为三十六个。
所述第三转轴119远离第二齿轮120的一端延伸出外壳体11，且所述第三转轴119延伸出外壳体11一端的轴壁上固定连接有拨块121。
所述缝线主体2使用普通非弹性结构医用缝线或由高弹性材料制成，且所述缝线主体2具体由高弹性乳胶材料制成。
具体的，使用本发明时，本缝线主体2在缝合或结扎组织后，随着组织的水肿等情况可以拉伸，而随着组织水肿的消退亦可以缩短，从而让组织在愈合过程中伤口保持相对持久的压力，本产品为低张力缝线对组织切割作用缓慢，一般大于三天以上才完全切割，同时本缝线采用高弹性乳胶材料，具有很强的拉伸功能，在初始发挥作用时处于一定的张力拉伸状态，在此状态下拉伸一倍，线的张力增加一般不超过10倍，而收缩到原来的三分之二，线的张力减少不超过原来的90％，本发明中设置的微型锁止机构1，固定于缝线两端，缝合或结扎固定组织后，在张力大于设定范围可放松缝线，使张力达到设定值范围内，在张力小于设定范围则可以收紧缝线，使张力达到设定范围，微型锁止机构1在使用时，将缝线主体2的一端缠绕固定连接在缝线固定环3的环壁上，缝线的另一端对伤口进行缝合，缝合后缝线主体2远离缝线固定环3的一端由线孔4穿插至外壳体11的内部，通过压板115按压下压杆114，压板115压至压槽116的颞部时，锁止块111将会脱离锁板112上的锁槽113，使得限压轮13之间的间距可以进行调整，便于缝线主体2的插入，待缝线主体2位于两个限压轮13之间时，两个限压轮13在四个第一弹力弹簧18的弹力作用下向相邻的一侧记性移动，对缝线主体2进行夹持，通过拨块121带动第三转轴119转动，第三转轴119转动时能够带动与之啮合的第二齿轮120转动，两个第二齿轮120逆向转动，可以带动缝线主体2进行伸缩，从而实现对缝线的调节，调节完成后，松开按压住的压板115，压板115在第二弹力弹簧117的弹力作用下进行复位，锁止块111卡接在锁槽113的内部，使得两个限压轮13无法转动，从而有效的避免了患者不小心碰触到拨块121而带动缝线进行伸缩。
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
Claims (9)
- 一种可调节缝线，其特征在于，包括微型锁止机构（1）和缝线主体（2），所述微型锁止机构（1）由外壳体（11）、限位板（12）和限压轮（13）组成，所述外壳体（11）一端的外壁上固定连接有缝线固定环（3），所述缝线主体（2）的一端缠绕在缝线固定环（3）的环壁上固定连接，所述外壳体（11）远离缝线固定环（3）的一端开设有线孔（4），所述缝线主体（2）远离缝线固定环（3）的一端穿过线孔（4）延伸至外壳体（11）的内部。
- 根据权利要求1所述的一种可调节缝线，其特征在于，所述限位板（12）和限压轮（13）均设置有两个，两个所述限位板（12）和限压轮（13）均设置在外壳体（11）的内部，两个所述限位板（12）分别设置在两个限压轮（13）的两端，且两个所述限位板（12）与外壳体（11）的内壁固定连接，所述限压轮（13）的两端分别固定连接有第一转轴（14）和第二转轴（15），所述第一转轴（14）和第二转轴（15）的轴壁上均转动连接有第一限位滑块（16），所述限位板（12）的板壁上对应第一限位滑块（16）开设有第一限位滑槽（17），所述第一限位滑槽（17）与第一限位滑块（16）相匹配设置，且所述第一限位滑块（16）滑动连接在第一限位滑槽（17）的内部，两个所述第一限位滑块（16）靠近相对远离的一端均固定连接有第一弹力弹簧（18），所述第一弹力弹簧（18）的另一端与第一限位滑槽（16）的内壁固定连接，所述第一转轴（14）穿过第一限位滑块（16）的一端设置有锁板（112），所述锁板（112）上开设有两个锁槽（113）。
- 根据权利要求2所述的一种可调节缝线，其特征在于，所述锁槽（113）的内部设置有锁止块（111），所述锁止块（111）与锁槽（113）相匹配设置，且所述锁止块（111）与第一转轴（14）固定连接，所述锁板（112）的顶部固定连接有压杆（114），所述压杆（114）的另一端穿过外壳体（11），所述锁板（112）的底部固定连接有第二弹力弹簧（117），所述第二弹力弹簧（117）的另一端与相邻的限位板（12）固定连接，两个所述第二转轴（15）穿过第一限位滑块（17）一端的轴壁上均固定连接第一齿轮（118），两个所述第一齿轮（118）啮合连接，所述外壳体（11）的内壁上通过第三转轴（119）转动连接有第二齿轮（120），所述第二齿轮（120）固定连接在第三转轴（119）的轴壁上，所述第二齿轮（120）与两个第一齿轮（118）中的一个啮合连接。
- 根据权利要求2所述的一种可调节缝线，其特征在于，所述第一限位滑块（16）两侧的侧壁上均固定连接有第二限位滑块（19），所述第一限位滑槽（17）两侧的内壁上均对应第二限位滑块（19）开设有第二限位滑槽（110），所述第二限位滑槽（110）与第二限位滑块（19）相匹配设置，且所述第二限位滑块（19）滑动连接在第二限位滑槽（110）的内部。
- 根据权利要求3所述的一种可调节缝线，其特征在于，所述锁止块（111）的外壁上设置有三十六个锁齿，所述锁槽（113）与锁止块（111）相匹配设置。
- 根据权利要求3所述的一种可调节缝线，其特征在于，所述压杆（114）延伸出外壳体（11）一端的杆壁上固定连接有压板（115），所述外壳体（11）的外壁上对应压板（115）开设有压槽（116），所述压槽（116）的深度大于锁止块（111）的厚度。
- 根据权利要求3所述的一种可调节缝线，其特征在于，所述第一齿轮（118）直径的大小和第二齿轮（120）直径的大小相同，且所述第一齿轮（118）和第二齿轮（120）的齿数均为三十六个。
- 根据权利要求3所述的一种可调节缝线，其特征在于，所述第三转轴（119）远离第二齿轮（120）的一端延伸出外壳体（11），且所述第三转轴（119）延伸出外壳体（11）一端的轴壁上固定连接有拨块（121）。
- 根据权利要求1所述的一种可调节缝线，其特征在于，所述缝线主体（2）使用普通非弹性结构医用缝线或由高弹性材料制成。
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