CN107736902A - Traction and distraction forceps - Google Patents

Traction and distraction forceps Download PDF

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Publication number
CN107736902A
CN107736902A CN201711245127.XA CN201711245127A CN107736902A CN 107736902 A CN107736902 A CN 107736902A CN 201711245127 A CN201711245127 A CN 201711245127A CN 107736902 A CN107736902 A CN 107736902A
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CN
China
Prior art keywords
pulling
hook
handle
distraction
end
Prior art date
Application number
CN201711245127.XA
Other languages
Chinese (zh)
Inventor
田书增
陈三玲
郅超凡
田建贺
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河南省健琪医疗器械有限公司
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Application filed by 河南省健琪医疗器械有限公司 filed Critical 河南省健琪医疗器械有限公司
Priority to CN201711245127.XA priority Critical patent/CN107736902A/en
Publication of CN107736902A publication Critical patent/CN107736902A/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0206Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/2812Surgical forceps with a single pivotal connection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28Surgical forceps
    • A61B17/2812Surgical forceps with a single pivotal connection
    • A61B17/2833Locking means

Abstract

The invention relates to a pair of traction and distraction forceps. The pair of traction and distraction forceps comprises two forceps handles, wherein the forceps handles consist of a left forceps handle and a right forceps handle; middle parts of the left forceps handle and the right forceps handle are hinged together; the left forceps handle is provided with fixing teeth; the right forceps handle is provided with fixing grooves; the fixing teeth are matched with the fixing grooves to finish a traction action; traction hook assemblies are detachably arranged on end parts of the forceps handles; the traction hook assemblies comprise hollow sleeves of which one end is open and the other end is enclosed, and a plurality of traction hooks arranged on the hollow sleeves; the traction hooks are arranged in a staggered way. According to the pair of traction and distraction forceps, the traction hook assemblies are detachably arranged on the end parts of the forceps handles, so that the traction hook assemblies can be replaced flexibly, and are convenient to detach and replace; moreover, medical personnel can perform traction and distraction operations conveniently.

Description

一种牵拉撑开钳 One kind of distraction pulling pliers

技术领域 FIELD

[0001] 本发明涉及医疗器械技术领域,具体涉及一种牵拉撑开钳。 [0001] The present invention relates to the field of medical devices, in particular to a pulling distraction pliers.

背景技术 Background technique

[0002]在外科手术操作过程中,有时要将皮肤牵拉暴露,有利于体内视野清晰,需要专用的牵拉撑开器械,但现有技术中,没有专用牵拉撑开器械,用一般的钳类或镊子对皮肤进行夹持牵拉开以便于观察或手术,其缺陷是手术应用不配套,且不方便,易造成切口损伤,影响手术的效果和延长手术时间。 [0002] During surgical procedures, sometimes want to pull the skin exposed facilitate clear field of vision in vivo, require special pulling distraction instrument, but the prior art, no special puller distraction instrument, with the general pliers pinching or pulling the skin forceps opening in order to observe or surgery, surgical applications which defects are not complete, and inconvenient, could easily lead to damage to the notch impact effect and extend the operation time of surgery.

[0003] 虽然目前市面上出现了带有固定齿的钳子进行牵拉撑开,比如中国实用新型专利CN205626026U,其公开了一种牵拉撑开钳,包括两个钳柄,钳柄由左钳柄和右钳柄组成,左钳柄和右钳柄中部铰接,左钳柄上设置固定齿,右钳柄上设置固定槽,固定齿和固定槽配合,钳柄的端部为至少两节的伸缩杆,伸缩杆的每节杆的端部设置牵拉钩或牵拉板;其通过将牵拉撑开钳的端部设置为伸缩杆结构,伸缩杆可以根据需要伸出相应长度,伸缩杆上的牵拉钩或牵拉板能够与皮肤或者组织配合,将开口撑开,便于观察和手术;上述专利所针对的是能够调节钳柄端部的长短,进而调节撑开部位的大小;但其缺陷是一旦牵拉板中的一个牵拉钩出现问题,整个牵拉板需要更换,且牵拉钩在牵拉撑开切口时,由于其末端不经过处理或者安装的角度不合适进行牵拉撑开操作,很容 [0003] Although there appeared on the market with a fixed toothed forceps is pulled distraction, such as Chinese utility model patent CN205626026U, which discloses a pulling distraction pliers comprising two clamp handle, clamp handle from left jaw the shank and the clincher right handle composed of the clincher left handle and a right clamp handle central hinge, is provided on the shank clincher left fixed teeth, provided fixing groove on the right clamp handle, fixed teeth and the fixing groove fitting, clamp handle end portions of at least two of telescopic rod, the telescopic rod ends of each section bar is provided pulling or drawing the hook plate; telescopic rod structure provided by end portions of the pull distraction pliers, the telescopic rod may protrude respective length, telescopic rod needed pulling or drawing the hook plate can fit with the skin or tissue, distraction of the opening, easy to observe, and surgery; and the patent is directed is possible to adjust the length of the end portion of the clamp lever, thereby regulating the size of the expansion portion; but Once a defect which is pulling the hook pulling plate problem, pulling the entire plate needs to be replaced, and when pulling the pulling hook notch distraction, because the angle of its end without installation process or unsuitable for drawing pinch-out operation, it is Yung 易碰触正常皮肤或组织,从而对病人造成不必要的伤害,带来安全隐患。 Easy touch or normal skin tissue, causing unnecessary harm to the patient, a security risk. 因此,有必要设计一种结构简单、方便拆卸牵拉钩、且能够保证安全操作的牵拉撑开钳来解决上述问题。 Therefore, it is necessary to design a simple structure, easy removal pulling hook, and pulling to ensure safe operation of the distraction pliers to solve the above problems.

发明内容 SUMMARY

[0004] 本发明的目的是为了解决上述技术问题,提供一种结构简单、方便拆卸牵拉钩、且能够保证安全操作的牵拉撑开钳。 [0004] The object of the present invention is to solve the above technical problems, provide a simple, easy disassembly pulling hook, and to ensure safe operation of pulling the distraction pliers.

[0005] 第一方面,提供了一种牵拉撑开钳,包括两个钳柄,钳柄由左钳柄和右钳柄组成, 左钳柄和右钳柄中部铰接,左钳柄上设置固定齿,右钳柄上设置固定槽,所述固定齿和固定槽配合完成牵拉动作,所述钳柄的端部可拆卸设置有牵拉钩组件,所述牵拉钩组件包括一端开口、另一端封闭的空心套管,以及设置在空心套管上的若干牵拉钩,所述牵拉钩相对错开设置。 [0005] In a first aspect, there is provided a distraction pulling clamp comprising two clamp handle, clamp handle by the left and right clamp handle clamp handle composed of clamp handle disposed on the left and right middle hinge clamp handle, the left clamp handle fixed teeth, provided on the right clamp handle fixing groove and the fixing groove of the fixed teeth with the completion of the pulling operation, the end portion of the clamp handle is detachably provided with a pull hook assembly, the pulling assembly includes a hook at one end an opening, the other end closed hollow casing, and a plurality of pulling hook disposed on the hollow sleeve, disposed offset relative to the pulling hook.

[0006] 结合第一方面,在第一方面的第一种可能的实现方式中,所述钳柄的端部设置有螺纹,螺纹配合连接有所述牵拉钩组件。 [0006] with the first aspect, a first possible implementation of the first aspect, the end portion of the jaw is provided with a threaded shank, a threaded fitting is connected to the pull hook assembly.

[0007] 结合第一方面的第一种可能的实现方式,在第一方面的第二种可能的实现方式中,所述钳柄上设置锁定装置,锁定装置由弹簧、球组成,所述钳柄上开设凹槽,弹簧安装在凹槽内,球位于凹槽的槽口,球与凹槽固定连接,所述空心套管上开设有圆孔,球与圆孔配合。 [0007] A first possible implementation of the first aspect, a second possible implementation of the first aspect of the jaw locking means is provided on the handle, the locking device by the spring, balls, the clamp defines a groove on the shank, a spring mounted within the recess, the recess slot is located in the ball, the ball is fixedly connected with the recess, defines a circular hole, with the ball on the hollow circular fitting sleeve.

[0008] 结合第一方面或者第一方面的第一种可能的实现方式或者第一方面的第二种可能的实现方式,在第一方面的第三种可能的实现方式中,所述牵拉钩由牵拉柄和沿着牵拉柄方向延展出一钩状结构的钩头组成,所述牵拉柄沿着夹持方向倾斜,其倾斜方向与钳柄所在的平面所成的夹角为20〜45度。 [0008] with the first aspect or the first possible implementation of the first aspect or the second possible implementation of the first aspect, the third possible implementation manner of the first aspect, the pulling pulling the hook from the hook shank and Fangxiang Yan exhibited a pulling hook structure along the shank composition, the pull handle is inclined along a clamping direction, and a direction inclined plane where the clamp handle is formed by an angle 20~45 degrees.

[0009]结合第一方面的第三种可能的实现方式,在第一方面的第四种可能的实现方式中,所述牵拉柄为圆柱体,所述钩头的末端直径略大于牵拉柄直径,且钩头末端经打磨至圆角。 [0009] The binding third possible implementation of the first aspect, a fourth possible implementation manner of the first aspect, the pulling handle is a cylinder, the tip diameter is slightly larger than the pulling hook shank diameter, and polished to the end of the hook fillet.

[0010]结合第一方面的第四种可能的实现方式,在第一方面的第五种可能的实现方式中,所述空心套管封闭端打磨至圆角。 [0010] combination with the fourth aspect of the first possible implementation manner, a fifth possible implementation of the first aspect, the closed end of the hollow sleeve to polish fillet.

[0011]结合第一方面的第三种可能的实现方式,在第一方面的第六种可能的实现方式中,所述与左钳柄配合连接的牵拉钩数量至少为1个,所述与右钳柄配合连接的牵拉钩数量至少为2个。 [0011] reference to the third aspect of the first possible implementation, a sixth possible implementation manner of the first aspect, the number of pulling hooking with at least a clamp handle with the left, the the number of hooks and right clamp handle pulling the mating connector is at least two.

[0012]本发明的有益效果在于: 本发明通过在钳柄的端部可拆卸设置有牵拉钩组件,能够根据灵活更换牵拉钩组件, 拆卸、更换便利,且方便医护人员进行牵拉撑开操作;通过将牵拉柄设置成与钳柄所在的平面所成的夹角为20〜45度,能够方便医护人员进行牵拉撑开操作,且将牵拉柄设置为圆柱体,钩头末端经打磨至圆角,防止在操作过程中,对皮肤组织造成损伤,所述钩头的末端直径略大于牵拉柄直径,能够使钩头方便抵住皮肤,便于进行撑开牵拉操作。 [0012] Advantageous effects of the present invention is: at the end of the present invention by a detachable clamp handle assembly is provided with a pulling hook, according to the flexible support can be pulled to replace the pull hook assembly, disassembly, replacement convenient, easy and medical open operation; by pulling the handle plane disposed where the clamp handle to the angle of 20~45 degrees, pulling the medical staff can easily pinch-out operation, and the pull handle to the cylinder, the hook polished end rounded to prevent during operation, damage to the skin tissue, the end of the hook head diameter slightly greater than the diameter of the shank is pulled, the hook head can be easily against the skin, facilitate distraction pulling operation.

附图说明 BRIEF DESCRIPTION

[0013]图1为本发明牵拉撑开钳第一实施例的结构示意图。 [0013] FIG. 1 is a schematic configuration example of a first embodiment of the pulling jaw of the present invention distraction.

[0014]图2为本发明牵拉撑开钳第二实施例的结构示意图。 [0014] FIG. 2 is a schematic structural diagram of the second embodiment of the present invention pulling the expansion jaw.

[0015]图3为本发明牵拉撑开钳第二实施例A部的局部放大结构图。 [0015] FIG. 3 is pulled distraction pliers partial enlarged configuration diagram of the second embodiment of the present invention A portion.

[0016]图4为本发明牵拉撑开钳的俯视图。 [0016] FIG. 4 a top view drawing of the present invention distraction pliers.

[0017]其中:1、左钳柄2、右钳柄3、固定齿4、固定槽5、牵拉钩组件51、空心套管52、牵拉钩521、牵拉柄5M、钩头6、弹簧7、球8、凹槽9、圆孔。 [0017] wherein: 1, the left clamp handle 2, the right clamp handle 3, 4 fixed teeth, fixing groove 5, the pulling hook assembly 51, a hollow sleeve 52, the hook 521 is pulled, the pulling handle 5M, hook 6, spring 7, the ball 8, the recess 9, a round hole.

具体实施方式 Detailed ways

[0018] 下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明的一部分实施例,而不是全部实施例。 [0018] below in conjunction with the present invention in the accompanying drawings, technical solutions in the embodiments will be apparent to the present invention, completely described, obviously, the described embodiments are part of the embodiments of the present invention, but not all embodiments . 基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都应属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without creative efforts shall, should fall within the scope of the present invention.

[0019] 应理解,现有的牵拉撑开钳,一旦牵拉钩出现问题,整个牵拉撑开钳需要更换,造成资源浪费;且在现有技术中,牵拉钩在牵拉撑开切口时,由于其末端不经过处理或者安装的角度不合适进行牵拉撑开操作,很容易碰触正常皮肤或组织,从而对病人造成不必要的伤害,且影响手术的效果和延长手术时间。 [0019] It should be understood, the existing stretch distraction pliers, pull the hook once a problem, need to replace the entire clamp pulling distraction, a waste of resources; and in the prior art, pull hook pull distraction when the incision, due to their terminally processed through an angle or improper installation of the expansion operation is pulled, it is easy to touch the skin or normal tissues, thus causing unnecessary injury to the patient, and the effect of impact and extend the operation time of surgery.

[0020] 下面结合图1、图4对本发明牵拉撑开钳的第一实施例进行详细描述。 [0020] below with reference to FIG. 1, described in detail in FIG. 4 of the first embodiment of the present invention pulling distraction pliers.

[0021] 第一实施例如图1、图4所示,为本发明牵拉撑开钳的第一实施方式,提供了一种牵拉撑开钳,包括两个钳柄,钳柄由左钳柄1和右钳柄2组成,左钳柄丨和右钳柄2中部铰接,左钳柄1上设置固定齿3,右钳柄2上设置固定槽4,钳柄张开到一定位置后,通过所述固定齿3和固定槽4配合固定,完成牵拉动作,所述钳柄的端部可拆卸设置有牵拉钩组件5,所述牵拉钩组件5包括一端开口、另一端封闭的空心套管51,以及设置在空心套管51上的若干牵拉钩52,所述左钳柄1上的牵拉钩52与右钳柄2上的牵拉钩52相对错开设置。 [0021] FIG. 1 a first embodiment example, as shown in FIG. 4, the present invention distraction pliers pulling the first embodiment, there is provided a distraction pulling clamp comprising two clamp handle, clamp handle from left jaw 1 and the clincher right handle shank 2 composition, the left and right clamp handle Shu middle jaw lever 2 is hinged, the teeth 3 disposed on a left fixing clamp handle disposed on the second right fixing groove clamp handle 4, after opening clamp handle to a predetermined position, 4 is fixed by fitting the fixing groove 3 and the stationary teeth, pulling operation is completed, the clamp handle end portion is detachably provided with a hook assembly 5 is pulled, the pulling assembly 5 comprises a hook at one end open and the other end closed hollow sleeve 51, as well as several pulling hook 52 disposed on the hollow sleeve 51, pulling the hook 52 and the clincher right handle on a hook of the left jaw puller handle 52 disposed on two opposite offset.

[0022] 所述空心套管51开口端的内部设置螺纹槽,所述钳柄的端部设置有螺纹,螺纹配合连接带有螺纹槽的空心套管51,所述空心套管51螺纹槽的长度与所述左钳柄1和右钳柄2 端部螺纹的长度一致。 [0022] The open end of the hollow interior of sleeve 51 threaded groove, the shank end of the jaw is provided with a screw threaded connection with the hollow sleeve 51 with threaded grooves, the length of the sleeve 51 of the hollow screw groove It coincides with the length of the left end portion of a jaw shank 2 and the clincher right threaded shank.

[0023] 所述牵拉钩52由牵拉柄521和沿着牵拉柄521方向延展出一钩状结构的钩头522组成,在本实施例中,可将牵拉柄521的长度设置为l-2cm,所述钩头522的实际高度为0.5-lcm,所述牵拉柄521沿着夹持方向倾斜,其倾斜方向与钳柄所在的平面所成的夹角为20〜 45度,设置角度的目的是为了使得牵拉撑开钳在操作过程中,能够稳定支撑在切口上,保证手术安全顺利进行,综合考虑支撑深度以及安全性,将所述牵拉柄521与钳柄所在的平面所成的夹角设置为45度。 [0023] The hook 52 is pulled by the puller handle 521 and hook Fangxiang Yan exhibited a pulling hook structure along the shank 521,522 composition, in the present embodiment, the length of the pull handle 521 may be set to l-2cm, the actual height of the hook head 522 to 0.5-lcm, the pull handle 521 along the inclined clamping direction, which plane is inclined to the direction where the clamp handle to the angle of 20~ 45 degrees, the purpose is to set an angle so that the expansion jaw during the pulling operation, the incision can be stably supported, to ensure smooth operation safety, considering the depth of the support, and security, the pull handle 521 and the clamp handle is located an angle formed by the plane is set to 45 degrees.

[0024] 为了在手术过程中,牵拉撑开钳仪器本身不伤害到周围的皮肤,将所述牵拉柄521 设置为圆柱体,且将钩头522末端经打磨至圆角,将所述空心套管51封闭端也打磨至圆角; 此外,将所述钩头522的末端直径略大于牵拉柄521直径的目的是为了使钩头522抵住切口, 更容易进行撑开及牵拉操作。 [0024] For the surgical procedure, the instrument itself is not pulling the expansion clamp damage to surrounding skin, the pull handle 521 to the cylinder, and the hook 522 to the polished end of the fillet, the hollow sleeve 51 is also polished to a rounded closed end; Further, the tip diameter 522 is slightly larger than the hook shank drawing object 521 is to make the diameter of the hook 522 against the incision, and drawing easier distraction operating.

[0025] 所述与左钳柄1配合连接的牵拉钩52数量至少为1个,所述与右钳柄2配合连接的牵拉钩52数量至少为2个,可根据需要进行设置不同数量的牵拉钩52,同时在手术过程中, 可以准备多个不同数量的牵拉钩组件5,便于根据需要选择。 [0025] 1 with the clamp handle with the left hook 52 connected to the pulling amount of at least one, the number of the pulling hook 52 is connected to the right clamp handle 2 with at least two, a different number can be set as desired the pulling hook 52, at the same time during the procedure, may be prepared number of a plurality of different pull hook assembly 5, be selected according to convenience.

[0026] 下面结合图2、图3、图4对本发明牵拉撑开钳的第二实施例进行详细描述。 [0026] below with reference to FIG. 2, FIG. 3, FIG. 4 for the second embodiment of the present invention, the pulling jaw spreader be described in detail.

[0027] 第二实施例如图2-4所示,为本发明牵拉撑开钳的第二实施方式,提供了一种牵拉撑开钳,包括两个钳柄,钳柄由左钳柄1和右钳柄2组成,左钳柄1和右钳柄2中部铰接,左钳柄1上设置固定齿3,右钳柄2上设置固定槽4,钳柄张开到一定位置后,通过所述固定齿3和固定槽4配合固定,完成牵拉动作,所述钳柄的端部可拆卸设置有牵拉钩组件5,所述牵拉钩组件5包括一端开口、另一端封闭的空心套管51,以及设置在空心套管51上的若干牵拉钩52,所述左钳柄1 上的牵拉钩52与右钳柄2上的牵拉钩52相对错开设置。 [0027] A second embodiment shown in Figure 2-4, the present invention is pulling distraction pliers second embodiment, there is provided a distraction pulling clamp comprising two clamp handle, clamp handle from left clamp handle after 1 and 2 composed of a right clamp handle, a clamp handle left and right middle jaw lever 2 is hinged, the teeth 3 disposed on the fixed handle 1 left jaw, fixing tank 4 provided on the second right clamp handle, clamp handle open to a certain position, the the stationary teeth 3 and the fixing fitting groove 4 is fixed, the pulling operation is completed, the clamp handle end portion is detachably provided with a hook assembly 5 is pulled, the pulling assembly 5 comprises a hook at one end open and the other end closed hollow sleeve 51, and a plurality of the pulling hook 52 disposed on the hollow sleeve 51, the left clamp handle 52 and the clincher right hook pulling on a pull handle 52 on the hook 2 opposite staggered.

[0028] 所述钳柄上设置锁定装置,锁定装置由弹簧6、球7组成,所述钳柄上开设凹槽8,弹簧6安装在凹槽8内,球7位于凹槽8的槽口,球7与凹槽8固定连接,所述空心套管51上开设有圆孔9,球7与圆孔9配合,为了保证钳柄与牵拉钩组件5牢固连接,可将球7的数量设置为2-4 个,当然与球7数量相配套的凹槽8、圆孔9的数量设置为与球7的数量相同。 [0028] The locking means is provided on the clamp handle, the locking device by the spring 6, the ball 7 composition, said clamp defines a recess on the handle 8, the spring 6 is mounted in the recess 8, the ball 7 is positioned in the notch recess 8 the number of the ball 7 is fixedly connected with the grooves 8, 9 defines the circular hole 51 of the hollow sleeve, with the balls 7 and 9 circular, in order to ensure the clamp handle and pull firmly connected to the hook assembly 5, the ball 7 is set to 2-4, of course, the number of balls 7 with matching grooves 8, 9 are the number of circular holes provided with the same number of balls 7.

[0029] 所述牵拉钩52由牵拉柄521和沿着牵拉柄521方向延展出一钩状结构的钩头522组成,在本实施例中,可将牵拉柄521的长度设置为l-2cm,所述钩头522的实际高度为0.5-lon,所述牵拉柄521沿着夹持方向倾斜,其倾斜方向与钳柄所在的平面所成的夹角为20〜 45度,设置角度的目的是为了使得牵拉撑开钳在操作过程中,能够稳定支撑在切口上,保证手术安全顺利进行,综合考虑支撑深度以及安全性,将所述牵拉柄521与钳柄所在的平面所成的夹角设置为45度。 [0029] The hook 52 is pulled by the puller handle 521 and hook Fangxiang Yan exhibited a pulling hook structure along the shank 521,522 composition, in the present embodiment, the length of the pull handle 521 may be set to l-2cm, the actual height of the hook 522 is 0.5-lon, the pull handle 521 along the inclined clamping direction, which plane is inclined to the direction where the clamp handle to the angle of 20~ 45 degrees, the purpose is to set an angle so that the expansion jaw during the pulling operation, the incision can be stably supported, to ensure smooth operation safety, considering the depth of the support, and security, the pull handle 521 and the clamp handle is located an angle formed by the plane is set to 45 degrees.

[0030]为了在手术过程中,牵拉撑开钳仪器本身不伤害到周围的皮肤,将所述牵拉柄521 设置为圆柱体,且将钩头522末端经打磨至圆角,将所述空心套管51封闭端也打磨至圆角; 此外,将所述钩头522的末^直径略大于牵拉柄似丨直径的目的是为了使钩头522抵住切口, 更容易进行撑开及牵拉操作。 [0030] For the surgical procedure, the instrument itself is not pulling the expansion clamp damage to surrounding skin, the pull handle 521 to the cylinder, and the hook 522 to the polished end of the fillet, the hollow sleeve 51 is also polished to a rounded closed end; moreover, the end of the hook head 522 is slightly larger than the puller handle like Shu ^ diameter purpose is to make the diameter of the hook 522 against the incision, and easier distraction pulling operation.

[0031]所述与左钳柄1配合连接的牵拉钩52数量至少为1个,所述与右钳柄2配合连接的牵拉钩52数量至少为2个,可根据需要进行设置不同数量的牵拉钩52,同时在手术过程中, 可以准备多个不同数量的牵拉钩组件5,便于根据需要选择。 [0031] 1 with the clamp handle with the left hook 52 connected to the pulling amount of at least one, the number of the pulling hook 52 is connected to the right clamp handle 2 with at least two, a different number can be set as desired the pulling hook 52, at the same time during the procedure, may be prepared number of a plurality of different pull hook assembly 5, be selected according to convenience.

[0032]总之,本发明所保护的牵拉撑开钳具有结构简单、方便拆卸牵拉钩、且能够保证安全操作的优点。 [0032] In summary, the claimed invention has a simple structure jaw spreader pulling, pulling hook easy removal, and to ensure safe operation of the advantages.

[0033]通过以上的实施方式的描述,所属领域的技术人员可以清楚地了解到本发明可以用硬件头现,或固件实现,或它们的组合方式来头现;总之,以上所述仅为本发明技术方案的较佳实施例而已,并非用于限定本发明的保护范围。 [0033] By the above described embodiments, those skilled in the art can understand that the present invention may be implemented in hardware head now, or firmware, or a combination thereof are now backing; In summary, the present invention is described above only preferred embodiment aspect of example only, and not intended to limit the scope of the present invention. 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。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims (7)

  1. i .一种牵拉撑开钳,包括两个钳柄,钳柄由左钳柄(1)和右钳柄(2)组成,左钳柄(1)和右钳柄(2)中部铰接,左钳柄(1)上设置固定齿(3),右钳柄(2)上设置固定槽(4),所述固定齿(3)和固定槽(4)配合完成牵拉动作,其特征在于:所述钳柄的端部可拆卸设置有牵拉钩组件(5),所述牵拉钩组件(5)包括一端开口、另一端封闭的空心套管(51),以及设置在空心套管(51)上的若干牵拉钩(52),所述牵拉钩(52)相对错开设置。 i. one kind of pull distraction pliers comprising two clamp handle, clamp handle by the left clamp handle (1) and the clincher right shank (2), with the left clamp handle (1) and the clincher right shank (2) the middle hinge, clamp handle disposed on the left (1) fixed teeth (3), provided fixing groove (4) (2) Right clamp handle, said stationary teeth (3) and fixing groove (4) with the completion of the pulling operation, wherein : an end portion of the clamp handle is detachably provided with a pull hook element (5), the pulling hook assembly (5) comprises one end open and the other end closed hollow sleeve (51), and disposed in the hollow sleeve several pulling hook (52) (51), said pulling hook (52) disposed offset relative.
  2. 2. 根据权利要求1所述的牵拉撑开钳,其特征在于:所述空心套管(51)开口端的内部设置螺纹槽,所述钳柄的端部设置有螺纹,螺纹配合连接带有螺纹槽的空心套管(51)。 The pulling the distraction forceps of claim 1, wherein: said hollow sleeve (51) is provided inside the open end of the thread groove, the shank end of the jaw is provided with a threaded connection with mating threads a hollow sleeve threaded groove (51).
  3. 3. 根据权利要求1所述的牵拉撑开钳,其特征在于:所述钳柄上设置锁定装置,锁定装置由弹簧⑹、球⑺组成,所述钳柄上开设凹槽⑻,弹簧⑹安装在凹槽⑻内,球⑺位于凹槽(8)的槽口,球(7)与凹槽(8)固定连接,所述空心套管(51)上开设有圆孔(9),球(7)与圆孔(9)配合。 The pulling the distraction forceps of claim 1, wherein: said jaw locking means is provided on the handle, the locking device by the spring ⑹, ball ⑺ composition, said clamp defines a recess on the shank ⑻ spring ⑹ ⑻ mounted in the recess, the ball ⑺ the groove (8) of the slot, defines a circular hole (9) on the ball (7) with the recess (8) is fixedly connected to the hollow sleeve (51), the ball (7) with a circular hole (9) fit.
  4. 4. 根据权利要求1-3任一项所述的牵拉撑开钳,其特征在于:所述牵拉钩(52)由牵拉柄(521)和沿着牵拉柄(521)方向延展出一钩状结构的钩头(522)组成,所述牵拉柄(521)沿着夹持方向倾斜,其倾斜方向与钳柄所在的平面所成的夹角为2〇〜45度。 The pulling of any one of claims 1 to 3 distraction pliers, wherein: said pull hook (52) extended by a pulling shank (521) and along the pull handle (521) direction a hook (522) structure composed of a hook, the pulling handle (521) along the clamping direction is inclined, the inclination direction of the plane where the clamp handle to the angle of 2〇~45 degrees.
  5. 5. 根据权利要求4所述的牵拉撑开钳,其特征在于:所述牵拉柄(521)为圆柱体,所述钩头(522)的末端直径略大于牵拉柄(521)直径,且钩头(522)末端经打磨至圆角。 The pull of claim 4 distraction pliers, wherein: said pull handle (521) is a cylinder, the diameter of the hook end (522) is slightly larger than the pulling stem (521) diameter and the hook (522) to the polished end of the fillet.
  6. 6. 根据权利要求5所述的牵拉撑开钳,其特征在于:所述空心套管(51)封闭端打磨至圆角。 5 of the drawing according to claim distraction pliers, wherein: said hollow sleeve (51) to a rounded closed end polished.
  7. 7. 根据权利要求4所述的牵拉撑开钳,其特征在于:所述与左钳柄(1)配合连接的牵拉钩(52)数量至少为丨个,所述与右钳柄(2)配合连接的牵拉钩(52)数量至少为2个。 The pull of claim 4 distraction pliers, wherein: said pulling hook of the left caliper lever (1) of a mating connector (52) a quantity of at least Shu, the right jaw shank ( 2) connected with the pulling hook (52) number at least two.
CN201711245127.XA 2017-12-01 2017-12-01 Traction and distraction forceps CN107736902A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992011813A1 (en) * 1991-01-07 1992-07-23 Heidmueller Harald Clip applicator
US5931777A (en) * 1998-03-11 1999-08-03 Sava; Gerard A. Tissue retractor and method for use
CN202020489U (en) * 2011-03-16 2011-11-02 皇甫伟明 Propping-open forceps
CN203089233U (en) * 2012-12-12 2013-07-31 中国人民解放军第三医院 Versatile retractor
CN203749529U (en) * 2014-03-17 2014-08-06 深圳市人民医院 Special take-out pincers used for soft tissue expander water injection kettle
CN204468226U (en) * 2015-03-05 2015-07-15 王博飞 Double-function obstetric forceps
CN205215288U (en) * 2015-11-13 2016-05-11 中国医科大学附属第一医院 Mix automatic muscular retractor of hook
CN205626026U (en) * 2016-02-19 2016-10-12 王增涛 Tractive opening forceps
CN206603790U (en) * 2016-08-31 2017-11-03 程细高 Soft tissue opening forceps of improvement

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992011813A1 (en) * 1991-01-07 1992-07-23 Heidmueller Harald Clip applicator
US5931777A (en) * 1998-03-11 1999-08-03 Sava; Gerard A. Tissue retractor and method for use
CN202020489U (en) * 2011-03-16 2011-11-02 皇甫伟明 Propping-open forceps
CN203089233U (en) * 2012-12-12 2013-07-31 中国人民解放军第三医院 Versatile retractor
CN203749529U (en) * 2014-03-17 2014-08-06 深圳市人民医院 Special take-out pincers used for soft tissue expander water injection kettle
CN204468226U (en) * 2015-03-05 2015-07-15 王博飞 Double-function obstetric forceps
CN205215288U (en) * 2015-11-13 2016-05-11 中国医科大学附属第一医院 Mix automatic muscular retractor of hook
CN205626026U (en) * 2016-02-19 2016-10-12 王增涛 Tractive opening forceps
CN206603790U (en) * 2016-08-31 2017-11-03 程细高 Soft tissue opening forceps of improvement

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