CN201959398U - Vaginal dilator - Google Patents

Vaginal dilator Download PDF

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Publication number
CN201959398U
CN201959398U CN 201120048167 CN201120048167U CN201959398U CN 201959398 U CN201959398 U CN 201959398U CN 201120048167 CN201120048167 CN 201120048167 CN 201120048167 U CN201120048167 U CN 201120048167U CN 201959398 U CN201959398 U CN 201959398U
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China
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nut
screw
guide sleeve
rod
gear
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CN 201120048167
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Chinese (zh)
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任钰
王海玉
钊文菊
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钊文菊
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Priority to CN 201120048167 priority Critical patent/CN201959398U/en
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Publication of CN201959398U publication Critical patent/CN201959398U/en

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Abstract

The utility model discloses a vaginal dilator which comprises a supporting rod. A screw installing base is arranged at the upper part of the supporting rod, and two sets of dilating mechanisms are arranged on the screw installing base from up to down and are vertical to each other in space; each dilating mechanism comprises a screw, two nuts and a gear are arranged on the screw, the two nuts are in threaded connection with the screw, and the gear is fixedly connected with the screw; shearing and forking arms are arranged at the two sides of the two nuts respectively, and a movable arc-shaped board is arranged at one end of each shearing and forking arm; the screw installing base is provided with a guide rod which is parallel with the screws, and is positioned under the first screw, and the guide rod is provided with two guide sleeves which are respectively and fixedly connected with the nuts in one-to-one correspondence way; the supporting rod is provided with a guide sleeve which is internally provided with a push-and-pull rod; two racks are respectively arranged at the upper part of the push-and-pull rod and are meshed with two gears; the guide sleeve is internally provided with a locking mechanism which is matched with the push-and-pull rod; and the directions of threads of the tow nuts of the same dilating mechanism are opposite.

Description

阴道扩张器 Vaginal dilator

技术领域 FIELD

[0001] 本实用新型涉及一种阴道扩张器。 [0001] The present invention relates to a vaginal dilators. 背景技术 Background technique

[0002] 目前,医院内进行修复处女膜手术,通常需要至少一名医生和一名护士共同完成, 其原因是,现有的阴道扩张器械在撑开患者阴道的同时也将阴道内壁完全遮挡,使医生无法进行手术,所以,在手术时不能使用现有的阴道扩张器械,而只得请另一名医生或护士用手将患者的阴道撑开,并防止患者的大小阴唇遮挡医生的视线。 [0002] Currently, the hospital carried out the hymen repair surgery usually requires at least a doctor and a nurse have completed, the reason is that the existing vaginal dilation devices are also completely block the vaginal wall while patients vagina distraction, so the doctor could not perform surgery, so you can not use existing instruments vaginal dilation during surgery, and had to get another doctor or nurse the patient's vagina stretched by hand, and to prevent the size of the labia blocking the line of sight of the patient's physician. 由上述可知,由于缺少专用的阴道扩张器械,因此,使得处女膜修复手术的劳动强度较大,且浪费大量的人力资源,手术效率和效果不理想。 From the foregoing, due to the lack of vaginal dilation dedicated instrument, so that the labor intensity hymen repair surgery is greater and waste of manpower resources, and operation efficiency is not ideal.

实用新型内容 SUMMARY

[0003] 本实用新型的目的是提供一种阴道扩张器,它既可根据要求将患者的阴道撑开, 又不会遮挡阴道内壁需手术的部位,并且可使处女膜修复手术由单人完成,能有效地提高手术的效率和效果。 [0003] The object of the present invention to provide a vaginal dilator, it can request the vagina of a patient distraction, but does not block the vaginal wall portions require surgery, and can hymen repair surgery is completed by a single person, can effectively improve the efficiency and effectiveness of surgery.

[0004] 本实用新型为实现上述目的,通过以下技术方案实现:阴道扩张器,包括支撑杆, 支撑杆上部设有丝杠安装座,丝杠安装座上安装第一丝杠,第一丝杠上安装第一螺母、第三螺母和第一齿轮,第一螺母和第三螺母分别与第一丝杠螺纹连接,第一齿轮与第一丝杠固定连接,第一齿轮位于第一螺母和第三螺母之间,第一螺母和第三螺母分别位于丝杠安装座两侧;第一螺母和第三螺母的一侧安装第一剪叉臂,第一剪叉臂的一端安装第一活动弧形板,第一活动弧形板通过第一铰链座与第一剪叉臂铰接,第一螺母和第三螺母的另一侧安装第四剪叉臂,第四剪叉臂的一端安装第四活动弧形板,第四活动弧形板通过第四铰链座与第四剪叉臂铰接;丝杠安装座上安装第一导杆,第一导杆与第一丝杠平行且位于第一丝杠的下方,第一导杆上活动安装第一导向套 [0004] The present invention to achieve the above object, is achieved by the following technical solution: Vaginal dilators, including the support bar, the support bar is provided with an upper screw mount, screw threaded mounting a first mounting seat, the first screw mounting a first nut, the first and third gear nut, the first nut and the third nut connected with the first screw thread, the first screw is fixedly connected with the first gear, the first gear located between the first nut and between three nut, the first nut and the third nut threaded on each side of the mount; a first side of the mounting nut and the third nut first scissor arm, one end of the first scissors arm is mounted a first active arcs plate-shaped, arcuate first movable base plate by a first hinge to the first scissor arm is hinged, the other side of the first mounting nut and the third nut fourth scissor arm end of the fourth arm is mounted a fourth scissor curved plate, through the fourth movable curved plate holder fourth hinge is hinged to the fourth scissor arm; screw mounting seat mounting a first guide bar, a first guide bar parallel to the first spindle and located between the first wire the bottom bar, the first guide rod is movably mounted a first guide sleeve 第三导向套,第一导向套与第一螺母固定连接,第三导向套与第三螺母固定连接;丝杠安装座上安装第二丝杠,第二丝杠与第一丝杠垂直且位于第一丝杠的下方,第二丝杠上安装第四螺母、第二螺母和第二齿轮,第四螺母和第二螺母分别与第二丝杠螺纹连接,第二齿轮与第二丝杠固定连接,第二齿轮位于第二螺母和第四螺母之间,第二螺母和第四螺母分别位于丝杠安装座两侧;第二螺母和第四螺母的一侧安装第二剪叉臂,第二剪叉臂的一端安装第二活动弧形板,第二活动弧形板通过第二铰链座与第二剪叉臂铰接,第二螺母和第四螺母的另一侧安装第三剪叉臂,第三剪叉臂的一端安装第三活动弧形板,第三活动弧形板通过第三铰链座与第三剪叉臂铰接;丝杠安装座上安装第二导杆,第二导杆与第二丝杠平行且位于第二丝杠下方,第二导杆上活动安装 Third guide sleeve, the guide sleeve is fixedly connected to a first nut of the first, third guide sleeve is fixedly connected with the third nut; screw mounting seat a second mounting screw, a first screw and a second screw located vertically and below the first screw, the fourth screw nut mounted on the second, the second nut and a second gear, a fourth nut and the second nut are connected to a second screw thread, the second gear and the second fixing screw connection, the second gear is positioned between the nut and the second nut fourth, the fourth and the second nut screw nut on each side of the mount; a fourth side of the nut and the second nut of the second scissor arm is mounted, a first One end of two scissor arms mounted arcuate second movable plate, the second movable plate by a second arcuate hinge holder and the second scissor arm is hinged, the other side of the second mounting nut and the third nut fourth scissor arm One end of the third arm of the scissors mounting plate curved third, the third movable curved plate holder by a third hinge and the third hinge scissor arm; screw mounts mounting the second guide rod, second guide bar positioned parallel to and below the second screw and a second screw, the second guide rod is movably mounted 第二导向套和第四导向套,第二导向套与第二螺母固定连接,第四导向套与第四螺母固定连接;支撑杆的一侧设有导套,导套内安装推拉杆,推拉杆上部相邻两侧壁上分别安装第二齿条和第一齿条,第二齿条与第一齿轮啮合,第一齿条与第二齿轮啮合;导套内安装锁紧机构,锁紧机构与推拉杆配合;第一活动弧形板、第二活动弧形板、第三活动弧形板和第四活动弧形板扣合构成圆锥形的扩张头;第一螺母和第三螺母的螺纹方向相反,第二螺母和第四螺母的螺纹方向相反。 The second and fourth guide sleeve guide sleeve, a second sleeve and a second guide fixedly connected to the nut, the nut fourth guide sleeve is fixedly connected to the fourth; side of the support bar is provided with a guide sleeve, the guide sleeve mounted push rod, the push the upper lever adjacent both side walls are attached to the first rack and the second rack, the second rack gear with the first gear, a second gear meshed with the first rack; guide sleeve mounted locking mechanism, the locking with the push rod mechanism; arcuate first movable plate, the second movable curved plate, a third plate and a fourth curved curved plate constituting engaging conical expansion head; a first nut and the third nut the opposite screw direction, the second direction opposite to the screw nut and a fourth nut.

[0005] 为了进一步实现本实用新型的目的,还可以采用以下技术方案:所述的锁紧机构由按键、限位杆和弹簧连接构成,第二齿轮的侧壁上开设透孔,透孔内安装限位杆,限位杆的一端穿出导套外安装按键,限位杆的外周安装弹簧,弹簧位于按键与导套外壁之间;限位杆上开设透槽,限位杆上设有定位凸块,定位凸块位于透槽内;推拉杆的侧壁上开设至少两个定位槽,其中一个定位槽与定位凸块配合。 [0005] In order to achieve the object of the present invention may also be employed the following technical solution: the locking mechanism by the button, the stopper rod and a spring connected to form, on a sidewall of the through hole defines a second gear through hole installation limiting rod, one end of the stopper rod is mounted outside the guide sleeve piercing button, the outer periphery of the stopper rod is mounted a spring positioned between the key and the outer wall of the guide sleeve; defines stopper rod through the slot, the stopper rod is provided positioning tabs, positioning projections located through grooves; defines at least two positioning grooves on the side walls of the push rod, wherein one of the positioning groove and the positioning projections fit.

[0006] 本实用新型的积极效果在于:它设有四块能够扩张阴道的活动弧形板。 [0006] The positive effects of the present invention in that: it can be expanded with four arcuate plate vagina activity. 在医生的操作下,它既可闭合成圆锥形的扩张头方便插入阴道内,又可在阴道内张开将阴道撑起,方便医生手术,且可确保扩张阴道时不会遮挡阴道内壁的手术部位。 In the operation of a doctor, which is either closed conical expansion head facilitate insertion of the vagina, but also the vaginal opening will hold up in the vagina, to facilitate surgeon, and may ensure that do not block the vaginal wall upon expansion of the vaginal surgery site. 使一名医生便可单独完成手术,能节省人力资源,提高手术效率和效果,并可有效降低患者的痛苦。 So that a doctor can complete the surgery alone can save human resources, improve the operation efficiency and effectiveness, and can effectively reduce the suffering of patients. 本实用新型还具有结构简洁紧凑、制造成本低廉和操作使用简便的优点。 The present invention further has a simple and compact structure, inexpensive to manufacture and easy to use operational advantages.

附图说明 BRIEF DESCRIPTION

[0007] 图1是本实用新型所述的阴道扩张器结构示意图;图2是图1的II局部放大结构示意图;图3是图2的CC剖视放大结构示意图;图4是图1的AA剖视放大结构示意图; 图5是图4的I局部放大结构示意图;图6是所述扩张头的扩张动力机构的结构示意图;图7是图6的B向结构示意图;图8是图4的使用状态结构示意图,图中四块活动弧形板为展开状态。 [0007] FIG. 1 is a schematic diagram of vaginal dilation structure according to the present invention; FIG. 2 is a schematic view of an enlarged structure II; FIG. 3 is a schematic cross-sectional view of FIG. 2 CC enlarged; FIG. 4 is an AA in FIG. 1 an enlarged schematic cross-sectional configuration; FIG. 5 is a partially enlarged schematic structural diagram I of FIG. 4; FIG. 6 is a schematic view of the expansion power of the expansion mechanism head; FIG. 7 is a schematic diagram B of FIG. 6 to the structure; FIG. 4 FIG. 8 is schematic structural use state, four in FIG curved plate unfolded state.

[0008] 附图标记:1第一活动弧形板2第一铰链座3第一剪叉臂4第一丝杠5第一螺母6第一齿轮7推拉杆8第二齿轮9第二活动弧形板10第二剪叉臂11第二铰链座13第二丝杠14第二齿条15支撑杆16限位杆17丝杠安装座18导套 [0008] The reference numerals: a first movable plate 2 of the first arcuate hinge base 3 a first scissor arm 4 a first first spindle nut 5 6 7 first gear 8 of the second gear rod 9 pushes the second active arcs scissor-shaped plate 10 of the second arm 11 of the second hinge base 13 screw 14 second 15 second rack support bar 16 of the retainer lever 17 mount screw guide sleeve 18

19弹簧20按键21第三螺母22第四螺母23第一导向套M第三导向套25第一导杆沈第二导杆27第四导向套观第一齿条四第二导向套30第二螺母31 第三剪叉臂32第三活动弧形板33第四活动弧形板34第四剪叉臂35透孔36定位凸块37定位槽38透槽39第四铰链座40第三铰链座。 19 21 third key spring 20 nut 22 nut 23 a fourth guide sleeve M of the first third guide sleeve 25 of the first guide bar a second guide bar 27 Shen fourth guide sleeve View first rack four second guide sleeve 30 of the second scissor arm 31 of the third nut 32 of the third plate 33 curved curved plate 34 of the fourth fourth scissor arm 35 through hole 36 positioning groove 37 positioning projection 38 through the fourth groove 39 of the hinge base 40 of the third hinge base .

具体实施方式 detailed description

[0009] 本实用新型所述的阴道扩张器,包括支撑杆15,支撑杆15上部设有丝杠安装座17,丝杠安装座17上安装第一丝杠4,第一丝杠4上安装第一螺母5、第三螺母21和第一齿轮6,第一螺母5和第三螺母21分别与第一丝杠4螺纹连接,第一齿轮6与第一丝杠4固定连接,第一齿轮6位于第一螺母5和第三螺母21之间,第一螺母5和第三螺母21分别位于丝杠安装座17两侧;第一螺母5和第三螺母21的一侧安装第一剪叉臂3,第一剪叉臂3 的一端安装第一活动弧形板1,第一活动弧形板1通过第一铰链座2与第一剪叉臂3铰接, 第一螺母5和第三螺母21的另一侧安装第四剪叉臂34,第四剪叉臂34的一端安装第四活动弧形板33,第四活动弧形板33通过第四铰链座39与第四剪叉臂34铰接;丝杠安装座17 上安装第一导杆25,第一导杆25与第一丝杠4平行且位于第一丝杠4的下方,第一导杆25 上活动安装 [0009] The present invention vaginal dilator 15 comprises a support bar, the support bar 15 is provided with an upper screw mount 17, screw 17 is mounted on the first screw mounting seat 4, mounted on the first screw 4 a first nut 5, the third gear 6 and the first nut 21, a first nut 5 and the third nut 21 are respectively connected to the first screw thread 4, a first gear 64 is fixedly connected to the first screw, the first gear 5 the nut 6 located between the first and the third between the nut 21, the first nut 5 and the third nut 21 are located on both sides of screw mount 17; a first side of the third nut 21 and the nut 5 is mounted a first scissor the arm 3, one end of the first scissors arm 3 is mounted first movable arcuate plate 1, the first movable arcuate plate 1 by a first hinge base 2 and the first scissor arm 3 hinged to the first nut and the third nut 5 21 mounted on the other side of the fourth scissor arm 34, one end of a fourth arm 34 of the scissors mounting plate 33 curved fourth, fourth movable curved plate holder 33 via a fourth hinge 39 and the fourth arm 34 scissor hinge; screw mounting seat 17 is mounted a first guide bar 25, a first guide bar 25 and parallel to the first screw 4 located below the first screw 4, the upper guide bar 25 is mounted a first activity 一导向套23和第三导向套M,第一导向套23和第三导向套M可分别沿第一导杆25滑动,第一导向套23与第一螺母5固定连接,第三导向套M与第三螺母21固定连接;丝杠安装座17上安装第二丝杠13,第二丝杠13与第一丝杠4垂直且位于第一丝杠4的下方,第二丝杠13上安装第四螺母22、第二螺母30和第二齿轮8,第四螺母22和第二螺母30分别与第二丝杠13螺纹连接,第二齿轮8与第二丝杠13固定连接,第二齿轮8位于第二螺母30和第四螺母22之间,第二螺母30和第四螺母22分别位于丝杠安装座17两侧;第二螺母30和第四螺母22的一侧安装第二剪叉臂10,第二剪叉臂10的一端安装第二活动弧形板9,第二活动弧形板9通过第二铰链座11与第二剪叉臂10铰接,第二螺母30和第四螺母22的另一侧安装第三剪叉臂31,第三剪叉臂31的一端安装第三活动弧形板32, 第三活动弧形板32通过第三铰链 A guide sleeve 23 and the sleeve M of the third guide, a first guide sleeve 23 and the third guide sleeve M of the first guide bar 25 can slide along the respective first guide sleeve 23 is fixedly connected to a first nut 5, the third guide sleeve M 21 is fixedly connected with the third nut; screw mounting base 17 is mounted on a second spindle 13, under the second screw 4 and the first screw 13 and located perpendicular to the first screw 4, a second lead screw 13 mounted on the a fourth nut 22, second nut 30 and the second gear 8, the fourth and the second nut 22 and the nut 30 respectively the second screw thread connection 13, the second gear 813 is fixedly connected to a second screw, the second gear 8 positioned between the nut 30 and the fourth 22 second nut, the second nut 30 and the nut 22 are located on the fourth sides of screw mount 17; a fourth side of the second nut 30 and the nut 22 is mounted a second scissor arm 10, one end of the second scissors arm 10 is mounted arcuate second movable plate 9, the second movable plate 9 by a second arcuate hinge base hinge 11 and a second scissor arm 10, the second nut 30 and the fourth nut the other side 22 of the third scissor arm 31 is mounted, one end of the third arm 31 of the scissors mounting plate 32 third movable arc, curved third movable plate 32 by a third hinge 40与第三剪叉臂31铰接;丝杠安装座17上安装第二导杆沈,第二导杆沈与第二丝杠13平行且位于第二丝杠13下方,第二导杆沈上活动安装第二导向套四和第四导向套27,第二导向套四和第四导向套27可分别沿第二导杆沈滑动,第二导向套四与第二螺母30固定连接,第四导向套27与第四螺母22固定连接;支撑杆15的一侧设有导套18,导套18内安装推拉杆7,推拉杆7可沿导套18直线移动,导套18 为推拉杆7起导向作用,如图5所示,推拉杆7上部相邻两侧壁上分别安装第二齿条14和第一齿条观,第二齿条14与第一齿轮6啮合,第一齿条观与第二齿轮8啮合;导套18内安装锁紧机构,锁紧机构与推拉杆7配合,当推拉杆7相对导套18直线移动一定距离后,所述的锁紧机构可锁定推拉杆7与导套18的相对位置;第一活动弧形板1、第二活动弧形板9、第三活动弧形板32和第四活动弧形 Mounting seat on the screw rod 17 is mounted on the second guide sink, sink and second guide rods 13 parallel to the second spindle and the second spindle 13 is positioned below the second guide bar sink; scissors arm 40 and the third articulation 31 four movably mounted second guide sleeve and the guide sleeve 27 of the fourth, the second and fourth sets of four guide the guide sleeve 27, respectively, along a second slide guide bar sink, four second guide sleeve nut 30 is fixedly connected to the second, fourth the guide sleeve 27 and nut 22 fixedly connected to the fourth; side of the support bar 15 is provided with a guide sleeve 18, guide sleeve 18 is mounted within the push pull rod 7, the push rod 7 can move along the linear guide sleeve 18, guide sleeve 18 is a push-pull rod 7 from the guide, shown in Figure 5, the push rods 7 are attached to both side walls adjacent the upper rack 14 and a first rack of the second concept, the second rack 6 meshing with the first gear 14, the first rack concept 8 meshing with the second gear; guide sleeve 18 is mounted within the locking mechanism, the locking mechanism with the push rods 7, 7 when the push rod relative to the guide sleeve 18 linearly a certain distance, the locking mechanism can lock the push rod 7 and the relative position of the guide sleeve 18; the first movable arcuate plate 1, the second movable curved plate 9, the third 32 and the fourth plate curved curved 33扣合构成圆锥形的扩张头;第一螺母5和第三螺母21的螺纹方向相反,第二螺母30和第四螺母22的螺纹方向相反。 33 engaging conical expansion head configuration; 5 opposite to the screw direction of the first nut and the third nut 21, the nut 30 opposite to the screw direction of the second and fourth nut 22. 所述的第一丝杠4、 第一螺母5、第一齿轮6、推拉杆7、第二齿轮8、第二丝杠13、第二齿条14、支撑杆15、丝杠安装座17、导套18、第三螺母21、第四螺母22、第一导向套23、第三导向套M、第一导杆25、第二导杆沈、第四导向套27、第一齿条观、第二导向套四、第二螺母30和锁紧机构连接构成扩张头的扩张动力机构。 Said first screw 4, a first nut 5, the first gear 6, the push rod 7, the second gear 8, a second screw 13, the second rack 14, the support rods 15, the mount screw 17, guide sleeve 18, the third nut 21, a fourth nut 22, a first guide sleeve 23, guide sleeve M of the third, the first guide bar 25, the second guide lever sink, the fourth guide sleeve 27, first rack concept, four second guide sleeve, the second nut 30 and a locking mechanism connected to the expansion mechanism constituting a power expansion head.

[0010] 手术时,先将所述扩张头插入患者阴道内,并使扩张头穿过手术部位,位于手术部位的内侧,确保手术部位不被遮挡;再推动推拉杆7,推拉杆7带动第二齿条14和第一齿条28直线移动,第二齿条14通过第一齿轮6带动第一丝杠4转动,第一齿条28通过第二齿轮8带动第二丝杠13转动;由于第一螺母5和第三螺母21的螺纹方向相反,第一丝杠4与第一螺母5和第三螺母21分别配合的部分的螺纹方向也必然相反,因此,第一丝杠4转动时可使第一螺母5和第三螺母21朝相反方向移动,从而如图8所示,第一螺母5和第三螺母21分别带动第一活动弧形板1和第四活动弧形板33伸展,使第一活动弧形板1和第四活动弧形板33撑开;同理,第二丝杠13转动带动第二螺母30和第四螺母22朝向反方向移动, 第二螺母30和第四螺母22分别带动第二剪叉臂10和第三剪叉臂31伸展,使第二活动弧 [0010] surgery, the first expansion head is inserted into the vagina of the patient, and the expansion head through the surgical site, the surgical site is located inside, to ensure that the surgical site is not blocked; 7 and then push the push rod, the push rod 7 drives a first two first rack 28 and the rack 14 linearly moves, the second rack 14 of the first lead screw 4 is rotated by the first driven gear 6, the second gear 8 is rotated by a second drive screw 13 a first rack 28; since the first nut 5 and the third thread direction opposite to the nut 21, the direction of the first screw threaded portion 4 of the nut 5 are respectively fitted to the first and third nut 21 are bound to the contrary, and therefore, when the rotation of the first screw 4 can be the first nut 5 and the third nut 21 moves in the opposite direction, so that as shown in FIG. 8, a first nut 5 and the third nut 21 are driven by the first movable plate 33 is arcuate and extends a fourth movable curved plate, activity of the first arcuate plate 1 and the fourth movable curved plate 33 distraction; Similarly, the second lead screw 13 rotatably driven by the second nut 30 and the fourth nut 22 moves toward the opposite direction, the second nut 30 and the fourth a second nut 22 are driven scissor arm 10 and the third scissor arm 31 extends, the second active arcs 形板9和第三活动弧形板32张开。 Shaped curved plate 9 and the third movable plate 32 to open. 如图8所示,第一活动弧形板1、第三活动弧形板32、第四活动弧形板33和第二活动弧形板9将阴道撑开,利用所述锁紧机构将推拉杆7与导套18 的位置锁定,从而防止所述扩张头在阴道的压力下收缩,使医生方便在阴道内修复处女膜。 As shown, the first movable arcuate plate 1, the third movable curved plate 32, arcuate plate 33 and the fourth movable arcuate second movable plate 89 will be stretched vagina, the locking mechanism using the push position of the guide rod 7 and the locking sleeve 18, thereby preventing the contraction of the expansion head at a pressure of the vagina, allowing physicians to facilitate repair in the vagina hymen.

[0011] 如图1、图2和图3所示,所述的锁紧机构可由按键20、限位杆16和弹簧19连接构成,第二齿轮8的侧壁上开设透孔35,透孔35内安装限位杆16,限位杆16的一端穿出导套18外安装按键20,限位杆16的外周安装弹簧19,弹簧19位于按键20与导套18外壁之间,弹簧19为按键20提供预紧力;限位杆16上开设透槽38,限位杆16上设有定位凸块36,定位凸块36位于透槽38内;推拉杆7的侧壁上开设至少两个定位槽37,其中一个定位槽37与定位凸块36配合。 [0011] As shown in FIG. 1, 2 and 3, the locking mechanism may be key 20, the stopper lever 16 and the spring 19 are connected configuration, the through hole 35 opened on the side wall of the second gear 8, the through hole 35 is mounted within the limiting rod 16, one end 16 of piercing the stopper rod guide sleeve 18 outer mounting button 20, the outer periphery of the stopper lever 16 is mounted a spring 19, a spring 19 is located between the key 20 and the outer wall of the guide sleeve 18, the spring 19 is key 20 to provide the biasing force; defines the through groove 38 on the stopper lever 16, the positioning projections 36 provided on the stopper lever 16, positioning projections 36 located through groove 38; on the side wall defines at least two push-pull rod 7 the positioning groove 37, wherein one of the positioning groove 37 and the positioning projections 36 fit. 当需相对导套18移动推拉杆7时,医生握住导套18的手可同时按压按键20,按键20通过限位杆16带动定位凸块36与定位槽37分离,此时推拉杆7失去定位凸块36的束缚可相对导套18自由直线移动,将所述扩张头扩开或闭合;当推拉杆7 移动使另一定位槽37与定位凸块36对应时,只需松开按键20,按键20会在弹簧19的弹力作用下复位,定位凸块36与定位槽37配合将推拉杆7与导套18的位置锁定。 When the required movement relative to the guide sleeve 18 when the push rod 7, the doctor holding hand guide sleeve 18 may be simultaneously press the key 20, the key lever 20 separated from the stopper 16 driven by the positioning projections 36 and the positioning groove 37, when the push rod 7 losing bound positioning projections 36 relative to the guide sleeve 18 can be freely moved linearly, the expanded or flared head closed; when the push rod 7 is moved further so that the positioning groove 37 and the positioning projections 36 corresponds, simply releasing the button 20 , reset button 20 under the force of spring 19, the positioning projections 36 mating with the positioning groove 37 and the push rod 7 is locked in the position of the guide sleeve 18. 为使所述扩张头具有多个张开幅度的锁定位置,推拉杆7上可设置三个、四个、五个或更多定位槽37, 不同定位槽37与定位凸块36配合,扩张头的锁定位置也不同,医生可根据患者的体形自由选择。 In order to open the expandable head having a plurality of amplitude locked position, the push rod 7 may be provided three, four, five or more positioning slots 37, 37 and the positioning projections 36 with different positioning grooves, the expansion head the locking position is different, doctors are free to choose according to the patient's body.

[0012] 所述的锁紧机构也可以是安装于导套18外壁上的螺栓,螺栓的一端穿过导套18 与丝杠安装座17接触。 The locking mechanism [0012] may also be the guide sleeve 18 mounted on the outer wall of the bolt, the end of the bolt 18 through the mounting seat 17 in contact with the screw guide sleeve. 当需移动推拉杆7时,旋松所述螺栓,使螺栓与推拉杆7分离,当推拉杆7移动至所需位置后,再旋紧螺栓,利用螺栓与推拉杆7侧壁之间的磨擦力将推拉杆7 与导套18之间的位置关系锁定。 When the required movement of the push rod 7, unscrewing the bolt, the bolt and the push rod 7 separation, when the push rod 7 is moved to the desired position and then tightening the screw, the use of friction between the bolt and the push-pull rod 7 sidewall the locking force of the push rod 7 the positional relationship between the guide 18 and sleeve.

[0013] 本实用新型未详尽描述的部分均为公知技术。 [0013] part of the present invention are not exhaustive description of well-known techniques.

Claims (2)

1.阴道扩张器,其特征在于:包括支撑杆(15),支撑杆(15)上部设有丝杠安装座(17), 丝杠安装座(17)上安装第一丝杠(4),第一丝杠(4)上安装第一螺母(5)、第三螺母(21)和第一齿轮(6),第一螺母(5)和第三螺母(21)分别与第一丝杠(4)螺纹连接,第一齿轮(6) 与第一丝杠(4)固定连接,第一齿轮(6)位于第一螺母(5)和第三螺母(21)之间,第一螺母(5)和第三螺母(21)分别位于丝杠安装座(17)两侧;第一螺母(5)和第三螺母(21)的一侧安装第一剪叉臂(3),第一剪叉臂(3)的一端安装第一活动弧形板(1 ),第一活动弧形板(1) 通过第一铰链座(2)与第一剪叉臂(3)铰接,第一螺母(5)和第三螺母(21)的另一侧安装第四剪叉臂(34),第四剪叉臂(34)的一端安装第四活动弧形板(33),第四活动弧形板(33) 通过第四铰链座(39)与第四剪叉臂(34)铰接;丝杠安 Vaginal dilator comprising: a support bar (15), the support bar (15) is provided with an upper screw mount (17), a first holder mounting screw mounting screw (4) (17), a first mounting screw (4) a first nut (5), the third nut (21) and a first gear (6), a first nut (5) and the third nut (21) with the first screw ( 4) a threaded connection, a first gear (6) (4) is fixedly connected to the first lead screw, a first gear (6) located between the first nut (5) and third (21) of the nut, the first nut (5 ) and the third nut (21) are located in the threaded mount (17) on both sides; a first side of the nut (5) and the third nut (21) mounting a first scissor arm (3), a first scissor end of the arm (3) of the first movable arcuate mounting plate (1), the first movable curved plate (1) by a first hinge base (2) and the first scissor arm (3) is hinged, a first nut (5 ) and further a third nut (21) is mounted a fourth side of the scissors arms (34), one end of the fourth scissor arm (34) is mounted a fourth activity arcuate plate (33), a fourth arcuate plate activity ( 33) via a fourth hinge seat (39) and the fourth scissor arm (34) is hinged; Ann screw 装座(17)上安装第一导杆(25),第一导杆(25)与第一丝杠(4)平行且位于第一丝杠(4)的下方,第一导杆(25)上活动安装第一导向套(23)和第三导向套(24),第一导向套(23)与第一螺母(5)固定连接,第三导向套(24)与第三螺母(21)固定连接;丝杠安装座(17)上安装第二丝杠(13),第二丝杠(13)与第一丝杠(4)垂直且位于第一丝杠(4)的下方,第二丝杠(13)上安装第四螺母(22)、第二螺母(30)和第二齿轮(8),第四螺母(22)和第二螺母(30)分别与第二丝杠(13)螺纹连接,第二齿轮(8)与第二丝杠(13)固定连接,第二齿轮(8)位于第二螺母(30)和第四螺母(22)之间,第二螺母(30)和第四螺母(22)分别位于丝杠安装座(17)两侧;第二螺母(30)和第四螺母(22)的一侧安装第二剪叉臂(10),第二剪叉臂(10)的一端安装第二活动弧形板(9), 第二活动弧形板(9)通过 Means mounted on the base (17) of the first guide rod (25), a first guide rod (25) and the first spindle (4) positioned parallel to and below (4) of the first screw, a first guide rod (25) movably mounted on the first guide sleeve (23) and the third guide sleeve (24), a first guide sleeve (23) and the first nut (5) is fixedly connected to a third guide sleeve (24) and the third nut (21) fixedly connected; a second mounting screw (13) (17) mount screw, a second screw (13) and a first screw (4) located below and perpendicular (4) to the first screw, the second screw (13) mounted on the fourth nut (22), a second nut (30) and the second gear (8), the fourth nut (22) and a second nut (30) respectively and a second screw (13) threaded connection, a second gear (8) and a second screw (13) is fixedly connected, a second gear (8) positioned between the second nut (22) (30) and a fourth nut, a second nut (30) and a fourth nut (22) are located in the threaded mount (17) on both sides; side of the second nut (30) and the fourth nut (22) is mounted a second scissor arm (10), a second scissor arm ( One end 10) of the arcuate second movable mounting plate (9), second movable curved plate (9) 第二铰链座(11)与第二剪叉臂(10)铰接,第二螺母(30)和第四螺母(22)的另一侧安装第三剪叉臂(31),第三剪叉臂(31)的一端安装第三活动弧形板(32), 第三活动弧形板(32 )通过第三铰链座(40 )与第三剪叉臂(31)铰接;丝杠安装座(17 )上安装第二导杆(26),第二导杆(26)与第二丝杠(13)平行且位于第二丝杠(13)下方,第二导杆(26)上活动安装第二导向套(29)和第四导向套(27),第二导向套(29)与第二螺母(30) 固定连接,第四导向套(27)与第四螺母(22)固定连接;支撑杆(15)的一侧设有导套(18), 导套(18)内安装推拉杆(7),推拉杆(7)上部相邻两侧壁上分别安装第二齿条(14)和第一齿条(28),第二齿条(14)与第一齿轮(6)啮合,第一齿条(28)与第二齿轮(8)啮合;导套(18)内安装锁紧机构,锁紧机构与推拉杆(7)配合;第一活动弧形板(1)、第二活 A second hinge base (11) and the second scissor arm (10) is hinged the other side, a second nut (30) and the fourth nut (22) is mounted a third scissor arm (31), the third scissor arm One end (31) of the third movable arcuate mounting plate (32), third movable curved plate (32) (40) of the third scissor arm (31) is hinged by a third hinge mount; screw mounting seat (17 mounting a second guide rod (26)), a second guide rod (26) (13) parallel to the second spindle and is positioned below the second screw (13), active on the second guide bar (26) mounting a second the guide sleeve (29) and the fourth guide sleeve (27), a second guide sleeve (29) and the second nut (30) fixedly connected to a fourth guide sleeve (27) and the fourth nut (22) is fixedly connected; support rod side (15) is provided with a guide sleeve (18) mounted within the guide sleeve (18) push-pull rod (7), the push rod (7) mounted on both side walls adjacent an upper portion of the second rack (14), respectively, and a rack (28), second rack (14) (6) engaged with the first gear (8) engages a first rack (28) and a second gear; an inner guide sleeve (18) is mounted a locking mechanism, with the push rod locking mechanism (7) fitted; first movable curved plate (1), a second living 动弧形板(9)、第三活动弧形板(32)和第四活动弧形板(33)扣合构成圆锥形的扩张头;第一螺母(5) 和第三螺母(21)的螺纹方向相反,第二螺母(30)和第四螺母(22)的螺纹方向相反。 Movable curved plate (9), third movable curved plate (32) and fourth movable curved plate (33) constituting the engaging conical expansion head; a first nut (5) and the third nut (21) the opposite screw direction, opposite to the second nut (30) and the fourth nut (22) threaded direction.
2.根据权利要求1所述的阴道扩张器,其特征在于:所述的锁紧机构由按键(20)、限位杆(16)和弹簧(19)连接构成,第二齿轮(8)的侧壁上开设透孔(35),透孔(35)内安装限位杆(16),限位杆(16)的一端穿出导套(18)外安装按键(20),限位杆(16)的外周安装弹簧(19),弹簧(19)位于按键(20)与导套(18)外壁之间;限位杆(16)上开设透槽(38),限位杆(16)上设有定位凸块(36),定位凸块(36)位于透槽(38)内;推拉杆(7)的侧壁上开设至少两个定位槽(37),其中一个定位槽(37)与定位凸块(36)配合。 The vaginal dilator according to claim 1, wherein: said locking mechanism comprises a key (20), the stopper lever (16) and a spring (19) connected to form a second gear (8) the through hole defines on the side wall (35), mounting the stopper rod (16) (35) through hole, one end of the limiting rod (16) of the piercing guide (18) is mounted outside the key (20), the stopper lever ( 16) of the outer periphery of the spring mounting (19), a spring (19) located in the key (20) and the guide sleeve (18) between the outer wall; open through groove (38) on the stopper rod (16), the limiting rod (16) a positioning projection (36), positioning projections (36) located in the through groove (38); defines at least two positioning grooves (37) on the sidewalls of the push rod (7), wherein a positioning groove (37) and positioning projections (36) fit.
CN 201120048167 2011-02-25 2011-02-25 Vaginal dilator CN201959398U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107019486A (en) * 2017-03-20 2017-08-08 宁波市北仑区人民医院 Specula in a kind of multidirectional expansion
CN108113754A (en) * 2018-02-05 2018-06-05 刘陈邦 A kind of surgical instrument fixation kit and operating robot
CN108143496A (en) * 2018-02-05 2018-06-12 刘陈邦 A kind of surgical instrument mounting assembly and operating robot

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107019486A (en) * 2017-03-20 2017-08-08 宁波市北仑区人民医院 Specula in a kind of multidirectional expansion
CN107019486B (en) * 2017-03-20 2018-08-21 宁波市北仑区人民医院 Specula in a kind of multidirectional expansion
CN108113754A (en) * 2018-02-05 2018-06-05 刘陈邦 A kind of surgical instrument fixation kit and operating robot
CN108143496A (en) * 2018-02-05 2018-06-12 刘陈邦 A kind of surgical instrument mounting assembly and operating robot

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